Merge branch 'master' into gfs2

737 files changed, 38994 insertions, 16687 deletions

diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 213c7850d5fb..2b36afd8e969 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -381,7 +381,7 @@ config ALPHA_EV56
 
 config ALPHA_EV56
 	prompt "EV56 CPU (speed >= 333MHz)?"
-	depends on ALPHA_NORITAKE && ALPHA_PRIMO
+	depends on ALPHA_NORITAKE || ALPHA_PRIMO
 
 config ALPHA_EV56
 	prompt "EV56 CPU (speed >= 400MHz)?"
diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 917dad1b74c8..550f4907d613 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -270,7 +270,7 @@ callback_init(void * kernel_end)
 void
 paging_init(void)
 {
-	unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+	unsigned long zones_size[MAX_NR_ZONES] = {0, };
 	unsigned long dma_pfn, high_pfn;
 
 	dma_pfn = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index cce26576999e..337c01c4ac37 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -284,21 +284,9 @@ static struct pxaficp_platform_data corgi_ficp_platform_data = {
 /*
  * USB Device Controller
  */
-static void corgi_udc_command(int cmd)
-{
-	switch(cmd)	{
-	case PXA2XX_UDC_CMD_CONNECT:
-		GPSR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
-		break;
-	case PXA2XX_UDC_CMD_DISCONNECT:
-		GPCR(CORGI_GPIO_USB_PULLUP) = GPIO_bit(CORGI_GPIO_USB_PULLUP);
-		break;
-	}
-}
-
 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 	/* no connect GPIO; corgi can't tell connection status */
-	.udc_command		= corgi_udc_command,
+	.gpio_pullup		= CORGI_GPIO_USB_PULLUP,
 };
 
 
@@ -350,7 +338,6 @@ static void __init corgi_init(void)
 	corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
 
 	pxa_gpio_mode(CORGI_GPIO_IR_ON | GPIO_OUT);
-	pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT);
 	pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
 
  	pxa_set_udc_info(&udc_info);
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 88a999df0ab3..591fc3187c7f 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -177,7 +177,7 @@ static void unmap_area_sections(unsigned long virt, unsigned long size)
 			 * Free the page table, if there was one.
 			 */
 			if ((pmd_val(pmd) & PMD_TYPE_MASK) == PMD_TYPE_TABLE)
-				pte_free_kernel(pmd_page_kernel(pmd));
+				pte_free_kernel(pmd_page_vaddr(pmd));
 		}
 
 		addr += PGDIR_SIZE;
diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c
index 9b815327b6a5..7e8096809be2 100644
--- a/arch/arm/plat-omap/usb.c
+++ b/arch/arm/plat-omap/usb.c
@@ -26,7 +26,7 @@
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/usb_otg.h>
+#include <linux/usb/otg.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
new file mode 100644
index 000000000000..5f1694eea842
--- /dev/null
+++ b/arch/avr32/Kconfig
@@ -0,0 +1,196 @@
+#
+# For a description of the syntax of this configuration file,
+# see Documentation/kbuild/kconfig-language.txt.
+#
+
+mainmenu "Linux Kernel Configuration"
+
+config AVR32
+	bool
+	default y
+	# With EMBEDDED=n, we get lots of stuff automatically selected
+	# that we usually don't need on AVR32.
+	select EMBEDDED
+	help
+	  AVR32 is a high-performance 32-bit RISC microprocessor core,
+	  designed for cost-sensitive embedded applications, with particular
+	  emphasis on low power consumption and high code density.
+
+	  There is an AVR32 Linux project with a web page at
+	  http://avr32linux.org/.
+
+config UID16
+	bool
+
+config GENERIC_HARDIRQS
+	bool
+	default y
+
+config HARDIRQS_SW_RESEND
+	bool
+	default y
+
+config GENERIC_IRQ_PROBE
+	bool
+	default y
+
+config RWSEM_GENERIC_SPINLOCK
+	bool
+	default y
+
+config GENERIC_TIME
+	bool
+	default y
+
+config RWSEM_XCHGADD_ALGORITHM
+	bool
+
+config GENERIC_BUST_SPINLOCK
+	bool
+
+config GENERIC_HWEIGHT
+	bool
+	default y
+
+config GENERIC_CALIBRATE_DELAY
+	bool
+	default y
+
+source "init/Kconfig"
+
+menu "System Type and features"
+
+config SUBARCH_AVR32B
+	bool
+config MMU
+	bool
+config PERFORMANCE_COUNTERS
+	bool
+
+config PLATFORM_AT32AP
+	bool
+	select SUBARCH_AVR32B
+	select MMU
+	select PERFORMANCE_COUNTERS
+
+choice
+	prompt "AVR32 CPU type"
+	default CPU_AT32AP7000
+
+config CPU_AT32AP7000
+	bool "AT32AP7000"
+	select PLATFORM_AT32AP
+endchoice
+
+#
+# CPU Daughterboards for ATSTK1000
+config BOARD_ATSTK1002
+	bool
+
+choice
+	prompt "AVR32 board type"
+	default BOARD_ATSTK1000
+
+config BOARD_ATSTK1000
+	bool "ATSTK1000 evaluation board"
+	select BOARD_ATSTK1002 if CPU_AT32AP7000
+endchoice
+
+choice
+	prompt "Boot loader type"
+	default LOADER_U_BOOT
+
+config	LOADER_U_BOOT
+	bool "U-Boot (or similar) bootloader"
+endchoice
+
+config LOAD_ADDRESS
+	hex
+	default 0x10000000 if LOADER_U_BOOT=y && CPU_AT32AP7000=y
+
+config ENTRY_ADDRESS
+	hex
+	default 0x90000000 if LOADER_U_BOOT=y && CPU_AT32AP7000=y
+
+config PHYS_OFFSET
+	hex
+	default 0x10000000 if CPU_AT32AP7000=y
+
+source "kernel/Kconfig.preempt"
+
+config HAVE_ARCH_BOOTMEM_NODE
+	bool
+	default n
+
+config ARCH_HAVE_MEMORY_PRESENT
+	bool
+	default n
+
+config NEED_NODE_MEMMAP_SIZE
+	bool
+	default n
+
+config ARCH_FLATMEM_ENABLE
+	bool
+	default y
+
+config ARCH_DISCONTIGMEM_ENABLE
+	bool
+	default n
+
+config ARCH_SPARSEMEM_ENABLE
+	bool
+	default n
+
+source "mm/Kconfig"
+
+config OWNERSHIP_TRACE
+	bool "Ownership trace support"
+	default y
+	help
+	  Say Y to generate an Ownership Trace message on every context switch,
+	  enabling Nexus-compliant debuggers to keep track of the PID of the
+	  currently executing task.
+
+# FPU emulation goes here
+
+source "kernel/Kconfig.hz"
+
+config CMDLINE
+	string "Default kernel command line"
+	default ""
+	help
+	  If you don't have a boot loader capable of passing a command line string
+	  to the kernel, you may specify one here. As a minimum, you should specify
+	  the memory size and the root device (e.g., mem=8M, root=/dev/nfs).
+
+endmenu
+
+menu "Bus options"
+
+config PCI
+	bool
+
+source "drivers/pci/Kconfig"
+
+source "drivers/pcmcia/Kconfig"
+
+endmenu
+
+menu "Executable file formats"
+source "fs/Kconfig.binfmt"
+endmenu
+
+source "net/Kconfig"
+
+source "drivers/Kconfig"
+
+source "fs/Kconfig"
+
+source "arch/avr32/Kconfig.debug"
+
+source "security/Kconfig"
+
+source "crypto/Kconfig"
+
+source "lib/Kconfig"
diff --git a/arch/avr32/Kconfig.debug b/arch/avr32/Kconfig.debug
new file mode 100644
index 000000000000..64ace00fe6cb
--- /dev/null
+++ b/arch/avr32/Kconfig.debug
@@ -0,0 +1,19 @@
+menu "Kernel hacking"
+
+config TRACE_IRQFLAGS_SUPPORT
+	bool
+	default y
+
+source "lib/Kconfig.debug"
+
+config KPROBES
+	bool "Kprobes"
+	depends on DEBUG_KERNEL
+	help
+	  Kprobes allows you to trap at almost any kernel address and
+          execute a callback function.  register_kprobe() establishes
+          a probepoint and specifies the callback.  Kprobes is useful
+          for kernel debugging, non-intrusive instrumentation and testing.
+          If in doubt, say "N".
+
+endmenu
diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile
new file mode 100644
index 000000000000..cefc95a73980
--- /dev/null
+++ b/arch/avr32/Makefile
@@ -0,0 +1,84 @@
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 2004-2006 Atmel Corporation.
+
+# Default target when executing plain make
+.PHONY: all
+all: uImage vmlinux.elf linux.lst
+
+KBUILD_DEFCONFIG	:= atstk1002_defconfig
+
+CFLAGS		+= -pipe -fno-builtin -mno-pic
+AFLAGS		+= -mrelax -mno-pic
+CFLAGS_MODULE	+= -mno-relax
+LDFLAGS_vmlinux	+= --relax
+
+cpuflags-$(CONFIG_CPU_AP7000)	+= -mcpu=ap7000
+
+CFLAGS		+= $(cpuflags-y)
+AFLAGS		+= $(cpuflags-y)
+
+CHECKFLAGS	+= -D__avr32__
+
+LIBGCC		:= $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
+
+head-$(CONFIG_LOADER_U_BOOT)		+= arch/avr32/boot/u-boot/head.o
+head-y					+= arch/avr32/kernel/head.o
+core-$(CONFIG_PLATFORM_AT32AP)		+= arch/avr32/mach-at32ap/
+core-$(CONFIG_BOARD_ATSTK1000)		+= arch/avr32/boards/atstk1000/
+core-$(CONFIG_LOADER_U_BOOT)		+= arch/avr32/boot/u-boot/
+core-y					+= arch/avr32/kernel/
+core-y					+= arch/avr32/mm/
+libs-y					+= arch/avr32/lib/ #$(LIBGCC)
+
+archincdir-$(CONFIG_PLATFORM_AT32AP)	:= arch-at32ap
+
+include/asm-avr32/.arch: $(wildcard include/config/platform/*.h) include/config/auto.conf
+	@echo '  SYMLINK include/asm-avr32/arch -> include/asm-avr32/$(archincdir-y)'
+ifneq ($(KBUILD_SRC),)
+	$(Q)mkdir -p include/asm-avr32
+	$(Q)ln -fsn $(srctree)/include/asm-avr32/$(archincdir-y) include/asm-avr32/arch
+else
+	$(Q)ln -fsn $(archincdir-y) include/asm-avr32/arch
+endif
+	@touch $@
+
+archprepare: include/asm-avr32/.arch
+
+BOOT_TARGETS := vmlinux.elf vmlinux.bin uImage uImage.srec
+
+.PHONY: $(BOOT_TARGETS) install
+
+boot := arch/$(ARCH)/boot/images
+
+             KBUILD_IMAGE := $(boot)/uImage
+vmlinux.elf: KBUILD_IMAGE := $(boot)/vmlinux.elf
+vmlinux.cso: KBUILD_IMAGE := $(boot)/vmlinux.cso
+uImage.srec: KBUILD_IMAGE := $(boot)/uImage.srec
+uImage:      KBUILD_IMAGE := $(boot)/uImage
+
+quiet_cmd_listing = LST     $@
+      cmd_listing = avr32-linux-objdump $(OBJDUMPFLAGS) -lS $< > $@
+quiet_cmd_disasm  = DIS     $@
+      cmd_disasm  = avr32-linux-objdump $(OBJDUMPFLAGS) -d $< > $@
+
+vmlinux.elf vmlinux.bin uImage.srec uImage vmlinux.cso: vmlinux
+	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
+
+install: vmlinux
+	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(KBUILD_IMAGE) $@
+
+linux.s: vmlinux
+	$(call if_changed,disasm)
+
+linux.lst: vmlinux
+	$(call if_changed,listing)
+
+define archhelp
+  @echo '* vmlinux.elf		- ELF image with load address 0'
+  @echo '  vmlinux.cso		- PathFinder CSO image'
+  @echo '  uImage		- Create a bootable image for U-Boot'
+endef
diff --git a/arch/avr32/boards/atstk1000/Makefile b/arch/avr32/boards/atstk1000/Makefile
new file mode 100644
index 000000000000..df9499480530
--- /dev/null
+++ b/arch/avr32/boards/atstk1000/Makefile
@@ -0,0 +1,2 @@
+obj-y				+= setup.o spi.o flash.o
+obj-$(CONFIG_BOARD_ATSTK1002)	+= atstk1002.o
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
new file mode 100644
index 000000000000..49164e9aadd6
--- /dev/null
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -0,0 +1,37 @@
+/*
+ * ATSTK1002 daughterboard-specific init code
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+
+#include <asm/arch/board.h>
+
+struct eth_platform_data __initdata eth0_data = {
+	.valid		= 1,
+	.mii_phy_addr	= 0x10,
+	.is_rmii	= 0,
+	.hw_addr	= { 0x6a, 0x87, 0x71, 0x14, 0xcd, 0xcb },
+};
+
+extern struct lcdc_platform_data atstk1000_fb0_data;
+
+static int __init atstk1002_init(void)
+{
+	at32_add_system_devices();
+
+	at32_add_device_usart(1);	/* /dev/ttyS0 */
+	at32_add_device_usart(2);	/* /dev/ttyS1 */
+	at32_add_device_usart(3);	/* /dev/ttyS2 */
+
+	at32_add_device_eth(0, &eth0_data);
+	at32_add_device_spi(0);
+	at32_add_device_lcdc(0, &atstk1000_fb0_data);
+
+	return 0;
+}
+postcore_initcall(atstk1002_init);
diff --git a/arch/avr32/boards/atstk1000/flash.c b/arch/avr32/boards/atstk1000/flash.c
new file mode 100644
index 000000000000..aac4300cca12
--- /dev/null
+++ b/arch/avr32/boards/atstk1000/flash.c
@@ -0,0 +1,95 @@
+/*
+ * ATSTK1000 board-specific flash initialization
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/arch/smc.h>
+
+static struct smc_config flash_config __initdata = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 40,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 10,
+
+	.ncs_read_pulse		= 80,
+	.nrd_pulse		= 40,
+	.ncs_write_pulse	= 65,
+	.nwe_pulse		= 55,
+
+	.read_cycle		= 120,
+	.write_cycle		= 120,
+
+	.bus_width		= 2,
+	.nrd_controlled		= 1,
+	.nwe_controlled		= 1,
+	.byte_write		= 1,
+};
+
+static struct mtd_partition flash_parts[] = {
+	{
+		.name           = "u-boot",
+		.offset         = 0x00000000,
+		.size           = 0x00020000,           /* 128 KiB */
+		.mask_flags     = MTD_WRITEABLE,
+	},
+	{
+		.name           = "root",
+		.offset         = 0x00020000,
+		.size           = 0x007d0000,
+	},
+	{
+		.name           = "env",
+		.offset         = 0x007f0000,
+		.size           = 0x00010000,
+		.mask_flags     = MTD_WRITEABLE,
+	},
+};
+
+static struct physmap_flash_data flash_data = {
+	.width		= 2,
+	.nr_parts	= ARRAY_SIZE(flash_parts),
+	.parts		= flash_parts,
+};
+
+static struct resource flash_resource = {
+	.start		= 0x00000000,
+	.end		= 0x007fffff,
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.resource	= &flash_resource,
+	.num_resources	= 1,
+	.dev		= {
+		.platform_data = &flash_data,
+	},
+};
+
+/* This needs to be called after the SMC has been initialized */
+static int __init atstk1000_flash_init(void)
+{
+	int ret;
+
+	ret = smc_set_configuration(0, &flash_config);
+	if (ret < 0) {
+		printk(KERN_ERR "atstk1000: failed to set NOR flash timing\n");
+		return ret;
+	}
+
+	platform_device_register(&flash_device);
+
+	return 0;
+}
+device_initcall(atstk1000_flash_init);
diff --git a/arch/avr32/boards/atstk1000/setup.c b/arch/avr32/boards/atstk1000/setup.c
new file mode 100644
index 000000000000..191ab85de9a3
--- /dev/null
+++ b/arch/avr32/boards/atstk1000/setup.c
@@ -0,0 +1,59 @@
+/*
+ * ATSTK1000 board-specific setup code.
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/bootmem.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/linkage.h>
+
+#include <asm/setup.h>
+
+#include <asm/arch/board.h>
+
+/* Initialized by bootloader-specific startup code. */
+struct tag *bootloader_tags __initdata;
+
+struct lcdc_platform_data __initdata atstk1000_fb0_data;
+
+asmlinkage void __init board_early_init(void)
+{
+	extern void sdram_init(void);
+
+#ifdef CONFIG_LOADER_STANDALONE
+	sdram_init();
+#endif
+}
+
+void __init board_setup_fbmem(unsigned long fbmem_start,
+			      unsigned long fbmem_size)
+{
+	if (!fbmem_size)
+		return;
+
+	if (!fbmem_start) {
+		void *fbmem;
+
+		fbmem = alloc_bootmem_low_pages(fbmem_size);
+		fbmem_start = __pa(fbmem);
+	} else {
+		pg_data_t *pgdat;
+
+		for_each_online_pgdat(pgdat) {
+			if (fbmem_start >= pgdat->bdata->node_boot_start
+			    && fbmem_start <= pgdat->bdata->node_low_pfn)
+				reserve_bootmem_node(pgdat, fbmem_start,
+						     fbmem_size);
+		}
+	}
+
+	printk("%luKiB framebuffer memory at address 0x%08lx\n",
+	       fbmem_size >> 10, fbmem_start);
+	atstk1000_fb0_data.fbmem_start = fbmem_start;
+	atstk1000_fb0_data.fbmem_size = fbmem_size;
+}
diff --git a/arch/avr32/boards/atstk1000/spi.c b/arch/avr32/boards/atstk1000/spi.c
new file mode 100644
index 000000000000..567726c82c6e
--- /dev/null
+++ b/arch/avr32/boards/atstk1000/spi.c
@@ -0,0 +1,27 @@
+/*
+ * ATSTK1000 SPI devices
+ *
+ * Copyright (C) 2005 Atmel Norway
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/device.h>
+#include <linux/spi/spi.h>
+
+static struct spi_board_info spi_board_info[] __initdata = {
+	{
+		.modalias	= "ltv350qv",
+		.max_speed_hz	= 16000000,
+		.bus_num	= 0,
+		.chip_select	= 1,
+	},
+};
+
+static int board_init_spi(void)
+{
+	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
+	return 0;
+}
+arch_initcall(board_init_spi);
diff --git a/arch/avr32/boot/images/Makefile b/arch/avr32/boot/images/Makefile
new file mode 100644
index 000000000000..ccd74eeecec3
--- /dev/null
+++ b/arch/avr32/boot/images/Makefile
@@ -0,0 +1,62 @@
+#
+# Copyright (C) 2004-2006 Atmel Corporation
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License.  See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+
+MKIMAGE		:= $(srctree)/scripts/mkuboot.sh
+
+extra-y		:= vmlinux.bin vmlinux.gz
+
+OBJCOPYFLAGS_vmlinux.bin := -O binary
+$(obj)/vmlinux.bin: vmlinux FORCE
+	$(call if_changed,objcopy)
+
+$(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,gzip)
+
+quiet_cmd_uimage = UIMAGE $@
+      cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A avr32 -O linux -T kernel	\
+		-C gzip -a $(CONFIG_LOAD_ADDRESS) -e $(CONFIG_ENTRY_ADDRESS)	\
+		-n 'Linux-$(KERNELRELEASE)' -d $< $@
+
+targets += uImage uImage.srec
+$(obj)/uImage: $(obj)/vmlinux.gz
+	$(call if_changed,uimage)
+	@echo '  Image $@ is ready'
+
+OBJCOPYFLAGS_uImage.srec := -I binary -O srec
+$(obj)/uImage.srec: $(obj)/uImage
+	$(call if_changed,objcopy)
+
+OBJCOPYFLAGS_vmlinux.elf := --change-section-lma .text-0x80000000 \
+			    --change-section-lma __ex_table-0x80000000 \
+			    --change-section-lma .rodata-0x80000000 \
+			    --change-section-lma .data-0x80000000 \
+			    --change-section-lma .init-0x80000000 \
+			    --change-section-lma .bss-0x80000000 \
+			    --change-section-lma .initrd-0x80000000 \
+			    --change-section-lma __param-0x80000000 \
+			    --change-section-lma __ksymtab-0x80000000 \
+			    --change-section-lma __ksymtab_gpl-0x80000000 \
+			    --change-section-lma __kcrctab-0x80000000 \
+			    --change-section-lma __kcrctab_gpl-0x80000000 \
+			    --change-section-lma __ksymtab_strings-0x80000000 \
+			    --change-section-lma .got-0x80000000 \
+			    --set-start 0xa0000000
+$(obj)/vmlinux.elf: vmlinux FORCE
+	$(call if_changed,objcopy)
+
+quiet_cmd_sfdwarf = SFDWARF $@
+      cmd_sfdwarf = sfdwarf $< TO $@ GNUAVR IW $(SFDWARF_FLAGS) > $(obj)/sfdwarf.log
+
+$(obj)/vmlinux.cso: $(obj)/vmlinux.elf FORCE
+	$(call if_changed,sfdwarf)
+
+install: $(BOOTIMAGE)
+	sh $(srctree)/install-kernel.sh $<
+
+# Generated files to be removed upon make clean
+clean-files	:= vmlinux* uImage uImage.srec
diff --git a/arch/avr32/boot/u-boot/Makefile b/arch/avr32/boot/u-boot/Makefile
new file mode 100644
index 000000000000..125ddc96c275
--- /dev/null
+++ b/arch/avr32/boot/u-boot/Makefile
@@ -0,0 +1,3 @@
+extra-y		:= head.o
+
+obj-y		:= empty.o
diff --git a/arch/avr32/boot/u-boot/empty.S b/arch/avr32/boot/u-boot/empty.S
new file mode 100644
index 000000000000..8ac91a5f12f0
--- /dev/null
+++ b/arch/avr32/boot/u-boot/empty.S
@@ -0,0 +1 @@
+/* Empty file */
diff --git a/arch/avr32/boot/u-boot/head.S b/arch/avr32/boot/u-boot/head.S
new file mode 100644
index 000000000000..4488fa27fe94
--- /dev/null
+++ b/arch/avr32/boot/u-boot/head.S
@@ -0,0 +1,60 @@
+/*
+ * Startup code for use with the u-boot bootloader.
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <asm/setup.h>
+
+	/*
+	 * The kernel is loaded where we want it to be and all caches
+	 * have just been flushed. We get two parameters from u-boot:
+	 *
+	 * r12 contains a magic number (ATAG_MAGIC)
+	 * r11 points to a tag table providing information about
+	 *     the system.
+	 */
+	.section .init.text,"ax"
+	.global _start
+_start:
+	/* Check if the boot loader actually provided a tag table */
+	lddpc	r0, magic_number
+	cp.w	r12, r0
+	brne	no_tag_table
+
+	/* Initialize .bss */
+	lddpc	r2, bss_start_addr
+	lddpc   r3, end_addr
+	mov	r0, 0
+	mov	r1, 0
+1:      st.d    r2++, r0
+	cp      r2, r3
+	brlo    1b
+
+	/*
+	 * Save the tag table address for later use. This must be done
+	 * _after_ .bss has been initialized...
+	 */
+	lddpc	r0, tag_table_addr
+	st.w	r0[0], r11
+
+	/* Jump to loader-independent setup code */
+	rjmp	kernel_entry
+
+	.align	2
+magic_number:
+	.long	ATAG_MAGIC
+tag_table_addr:
+	.long	bootloader_tags
+bss_start_addr:
+	.long   __bss_start
+end_addr:
+	.long   _end
+
+no_tag_table:
+	sub	r12, pc, (. - 2f)
+	bral	panic
+2:	.asciz	"Boot loader didn't provide correct magic number\n"
diff --git a/arch/mips/configs/ev96100_defconfig b/arch/avr32/configs/atstk1002_defconfig
index 0bdc10f11610..1d22255009fd 100644
--- a/arch/mips/configs/ev96100_defconfig
+++ b/arch/avr32/configs/atstk1002_defconfig
@@ -1,158 +1,15 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.18-rc1
-# Thu Jul  6 10:04:05 2006
-#
-CONFIG_MIPS=y
-
-#
-# Machine selection
-#
-# CONFIG_MIPS_MTX1 is not set
-# CONFIG_MIPS_BOSPORUS is not set
-# CONFIG_MIPS_PB1000 is not set
-# CONFIG_MIPS_PB1100 is not set
-# CONFIG_MIPS_PB1500 is not set
-# CONFIG_MIPS_PB1550 is not set
-# CONFIG_MIPS_PB1200 is not set
-# CONFIG_MIPS_DB1000 is not set
-# CONFIG_MIPS_DB1100 is not set
-# CONFIG_MIPS_DB1500 is not set
-# CONFIG_MIPS_DB1550 is not set
-# CONFIG_MIPS_DB1200 is not set
-# CONFIG_MIPS_MIRAGE is not set
-# CONFIG_BASLER_EXCITE is not set
-# CONFIG_MIPS_COBALT is not set
-# CONFIG_MACH_DECSTATION is not set
-# CONFIG_MIPS_EV64120 is not set
-CONFIG_MIPS_EV96100=y
-# CONFIG_MIPS_IVR is not set
-# CONFIG_MIPS_ITE8172 is not set
-# CONFIG_MACH_JAZZ is not set
-# CONFIG_LASAT is not set
-# CONFIG_MIPS_ATLAS is not set
-# CONFIG_MIPS_MALTA is not set
-# CONFIG_MIPS_SEAD is not set
-# CONFIG_WR_PPMC is not set
-# CONFIG_MIPS_SIM is not set
-# CONFIG_MOMENCO_JAGUAR_ATX is not set
-# CONFIG_MOMENCO_OCELOT is not set
-# CONFIG_MOMENCO_OCELOT_3 is not set
-# CONFIG_MOMENCO_OCELOT_C is not set
-# CONFIG_MOMENCO_OCELOT_G is not set
-# CONFIG_MIPS_XXS1500 is not set
-# CONFIG_PNX8550_V2PCI is not set
-# CONFIG_PNX8550_JBS is not set
-# CONFIG_DDB5477 is not set
-# CONFIG_MACH_VR41XX is not set
-# CONFIG_PMC_YOSEMITE is not set
-# CONFIG_QEMU is not set
-# CONFIG_MARKEINS is not set
-# CONFIG_SGI_IP22 is not set
-# CONFIG_SGI_IP27 is not set
-# CONFIG_SGI_IP32 is not set
-# CONFIG_SIBYTE_BIGSUR is not set
-# CONFIG_SIBYTE_SWARM is not set
-# CONFIG_SIBYTE_SENTOSA is not set
-# CONFIG_SIBYTE_RHONE is not set
-# CONFIG_SIBYTE_CARMEL is not set
-# CONFIG_SIBYTE_PTSWARM is not set
-# CONFIG_SIBYTE_LITTLESUR is not set
-# CONFIG_SIBYTE_CRHINE is not set
-# CONFIG_SIBYTE_CRHONE is not set
-# CONFIG_SNI_RM200_PCI is not set
-# CONFIG_TOSHIBA_JMR3927 is not set
-# CONFIG_TOSHIBA_RBTX4927 is not set
-# CONFIG_TOSHIBA_RBTX4938 is not set
+# Tue Jul 11 12:41:36 2006
+#
+CONFIG_AVR32=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
-CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
-CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
-CONFIG_DMA_NONCOHERENT=y
-CONFIG_DMA_NEED_PCI_MAP_STATE=y
-CONFIG_CPU_BIG_ENDIAN=y
-# CONFIG_CPU_LITTLE_ENDIAN is not set
-CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
-CONFIG_IRQ_CPU=y
-CONFIG_MIPS_GT64120=y
-CONFIG_SWAP_IO_SPACE=y
-CONFIG_MIPS_GT96100=y
-CONFIG_MIPS_L1_CACHE_SHIFT=5
-
-#
-# CPU selection
-#
-# CONFIG_CPU_MIPS32_R1 is not set
-# CONFIG_CPU_MIPS32_R2 is not set
-# CONFIG_CPU_MIPS64_R1 is not set
-# CONFIG_CPU_MIPS64_R2 is not set
-# CONFIG_CPU_R3000 is not set
-# CONFIG_CPU_TX39XX is not set
-# CONFIG_CPU_VR41XX is not set
-# CONFIG_CPU_R4300 is not set
-# CONFIG_CPU_R4X00 is not set
-# CONFIG_CPU_TX49XX is not set
-# CONFIG_CPU_R5000 is not set
-# CONFIG_CPU_R5432 is not set
-# CONFIG_CPU_R6000 is not set
-# CONFIG_CPU_NEVADA is not set
-# CONFIG_CPU_R8000 is not set
-# CONFIG_CPU_R10000 is not set
-CONFIG_CPU_RM7000=y
-# CONFIG_CPU_RM9000 is not set
-# CONFIG_CPU_SB1 is not set
-CONFIG_SYS_HAS_CPU_R5000=y
-CONFIG_SYS_HAS_CPU_RM7000=y
-CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
-CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y
-CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
-CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y
-
-#
-# Kernel type
-#
-CONFIG_32BIT=y
-# CONFIG_64BIT is not set
-CONFIG_PAGE_SIZE_4KB=y
-# CONFIG_PAGE_SIZE_8KB is not set
-# CONFIG_PAGE_SIZE_16KB is not set
-# CONFIG_PAGE_SIZE_64KB is not set
-CONFIG_BOARD_SCACHE=y
-CONFIG_RM7000_CPU_SCACHE=y
-CONFIG_CPU_HAS_PREFETCH=y
-CONFIG_MIPS_MT_DISABLED=y
-# CONFIG_MIPS_MT_SMTC is not set
-# CONFIG_MIPS_MT_SMP is not set
-# CONFIG_MIPS_VPE_LOADER is not set
-# CONFIG_64BIT_PHYS_ADDR is not set
-CONFIG_CPU_HAS_LLSC=y
-CONFIG_CPU_HAS_SYNC=y
-CONFIG_GENERIC_HARDIRQS=y
-CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_CPU_SUPPORTS_HIGHMEM=y
-CONFIG_ARCH_FLATMEM_ENABLE=y
-CONFIG_SELECT_MEMORY_MODEL=y
-CONFIG_FLATMEM_MANUAL=y
-# CONFIG_DISCONTIGMEM_MANUAL is not set
-# CONFIG_SPARSEMEM_MANUAL is not set
-CONFIG_FLATMEM=y
-CONFIG_FLAT_NODE_MEM_MAP=y
-# CONFIG_SPARSEMEM_STATIC is not set
-CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
-# CONFIG_HZ_48 is not set
-# CONFIG_HZ_100 is not set
-# CONFIG_HZ_128 is not set
-# CONFIG_HZ_250 is not set
-# CONFIG_HZ_256 is not set
-CONFIG_HZ_1000=y
-# CONFIG_HZ_1024 is not set
-CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
-CONFIG_HZ=1000
-CONFIG_PREEMPT_NONE=y
-# CONFIG_PREEMPT_VOLUNTARY is not set
-# CONFIG_PREEMPT is not set
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -166,34 +23,34 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 # General setup
 #
 CONFIG_LOCALVERSION=""
-CONFIG_LOCALVERSION_AUTO=y
+# CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_SWAP=y
-CONFIG_SYSVIPC=y
+# CONFIG_SYSVIPC is not set
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
-CONFIG_RELAY=y
+# CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_EMBEDDED=y
 CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
-# CONFIG_HOTPLUG is not set
+CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-CONFIG_BASE_FULL=y
-CONFIG_RT_MUTEXES=y
-CONFIG_FUTEX=y
-CONFIG_EPOLL=y
+# CONFIG_BASE_FULL is not set
+# CONFIG_FUTEX is not set
+# CONFIG_EPOLL is not set
 CONFIG_SHMEM=y
-CONFIG_SLAB=y
-CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_SLAB is not set
+# CONFIG_VM_EVENT_COUNTERS is not set
 # CONFIG_TINY_SHMEM is not set
-CONFIG_BASE_SMALL=0
-# CONFIG_SLOB is not set
+CONFIG_BASE_SMALL=1
+CONFIG_SLOB=y
 
 #
 # Loadable module support
@@ -201,52 +58,81 @@ CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_MODVERSIONS=y
-CONFIG_MODULE_SRCVERSION_ALL=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
 # CONFIG_KMOD is not set
 
 #
 # Block layer
 #
-# CONFIG_LBD is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
 
 #
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
-CONFIG_IOSCHED_DEADLINE=y
-CONFIG_IOSCHED_CFQ=y
-CONFIG_DEFAULT_AS=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_AS is not set
 # CONFIG_DEFAULT_DEADLINE is not set
 # CONFIG_DEFAULT_CFQ is not set
-# CONFIG_DEFAULT_NOOP is not set
-CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
 
 #
-# Bus options (PCI, PCMCIA, EISA, ISA, TC)
+# System Type and features
 #
-CONFIG_HW_HAS_PCI=y
-# CONFIG_PCI is not set
+CONFIG_SUBARCH_AVR32B=y
 CONFIG_MMU=y
+CONFIG_PERFORMANCE_COUNTERS=y
+CONFIG_PLATFORM_AT32AP=y
+CONFIG_CPU_AT32AP7000=y
+CONFIG_BOARD_ATSTK1002=y
+CONFIG_BOARD_ATSTK1000=y
+CONFIG_LOADER_U_BOOT=y
+CONFIG_LOAD_ADDRESS=0x10000000
+CONFIG_ENTRY_ADDRESS=0x90000000
+CONFIG_PHYS_OFFSET=0x10000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+# CONFIG_HAVE_ARCH_BOOTMEM_NODE is not set
+# CONFIG_ARCH_HAVE_MEMORY_PRESENT is not set
+# CONFIG_NEED_NODE_MEMMAP_SIZE is not set
+CONFIG_ARCH_FLATMEM_ENABLE=y
+# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
+# CONFIG_ARCH_SPARSEMEM_ENABLE is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_RESOURCES_64BIT is not set
+# CONFIG_OWNERSHIP_TRACE is not set
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+CONFIG_CMDLINE=""
 
 #
-# PCCARD (PCMCIA/CardBus) support
+# Bus options
 #
-# CONFIG_PCCARD is not set
 
 #
-# PCI Hotplug Support
+# PCCARD (PCMCIA/CardBus) support
 #
+# CONFIG_PCCARD is not set
 
 #
 # Executable file formats
 #
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
-CONFIG_TRAD_SIGNALS=y
 
 #
 # Networking
@@ -257,18 +143,17 @@ CONFIG_NET=y
 # Networking options
 #
 # CONFIG_NETDEBUG is not set
-# CONFIG_PACKET is not set
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
 CONFIG_UNIX=y
-CONFIG_XFRM=y
-CONFIG_XFRM_USER=m
-CONFIG_NET_KEY=y
+# CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
 # CONFIG_IP_ADVANCED_ROUTER is not set
 CONFIG_IP_FIB_HASH=y
 CONFIG_IP_PNP=y
-# CONFIG_IP_PNP_DHCP is not set
-CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
 # CONFIG_IP_PNP_RARP is not set
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE is not set
@@ -279,8 +164,8 @@ CONFIG_IP_PNP_BOOTP=y
 # CONFIG_INET_IPCOMP is not set
 # CONFIG_INET_XFRM_TUNNEL is not set
 # CONFIG_INET_TUNNEL is not set
-CONFIG_INET_XFRM_MODE_TRANSPORT=m
-CONFIG_INET_XFRM_MODE_TUNNEL=m
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
@@ -288,7 +173,7 @@ CONFIG_TCP_CONG_BIC=y
 # CONFIG_IPV6 is not set
 # CONFIG_INET6_XFRM_TUNNEL is not set
 # CONFIG_INET6_TUNNEL is not set
-CONFIG_NETWORK_SECMARK=y
+# CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
 
 #
@@ -327,16 +212,11 @@ CONFIG_NETWORK_SECMARK=y
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_TCPPROBE is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
-CONFIG_IEEE80211=m
-# CONFIG_IEEE80211_DEBUG is not set
-CONFIG_IEEE80211_CRYPT_WEP=m
-CONFIG_IEEE80211_CRYPT_CCMP=m
-CONFIG_IEEE80211_SOFTMAC=m
-# CONFIG_IEEE80211_SOFTMAC_DEBUG is not set
-CONFIG_WIRELESS_EXT=y
+# CONFIG_IEEE80211 is not set
 
 #
 # Device Drivers
@@ -346,14 +226,15 @@ CONFIG_WIRELESS_EXT=y
 # Generic Driver Options
 #
 CONFIG_STANDALONE=y
-CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
 # CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
 # CONFIG_SYS_HYPERVISOR is not set
 
 #
 # Connector - unified userspace <-> kernelspace linker
 #
-CONFIG_CONNECTOR=m
+# CONFIG_CONNECTOR is not set
 
 #
 # Memory Technology Devices (MTD)
@@ -373,14 +254,15 @@ CONFIG_CONNECTOR=m
 # Block devices
 #
 # CONFIG_BLK_DEV_COW_COMMON is not set
-# CONFIG_BLK_DEV_LOOP is not set
-# CONFIG_BLK_DEV_NBD is not set
-# CONFIG_BLK_DEV_RAM is not set
-# CONFIG_BLK_DEV_INITRD is not set
-CONFIG_CDROM_PKTCDVD=m
-CONFIG_CDROM_PKTCDVD_BUFFERS=8
-# CONFIG_CDROM_PKTCDVD_WCACHE is not set
-CONFIG_ATA_OVER_ETH=m
+CONFIG_BLK_DEV_LOOP=m
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+CONFIG_BLK_DEV_NBD=m
+CONFIG_BLK_DEV_RAM=m
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_INITRD=y
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
 
 #
 # ATA/ATAPI/MFM/RLL support
@@ -390,7 +272,7 @@ CONFIG_ATA_OVER_ETH=m
 #
 # SCSI device support
 #
-CONFIG_RAID_ATTRS=m
+# CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
 
 #
@@ -415,34 +297,22 @@ CONFIG_RAID_ATTRS=m
 # Network device support
 #
 CONFIG_NETDEVICES=y
-# CONFIG_DUMMY is not set
+CONFIG_DUMMY=y
 # CONFIG_BONDING is not set
 # CONFIG_EQUALIZER is not set
-# CONFIG_TUN is not set
+CONFIG_TUN=m
 
 #
 # PHY device support
 #
-CONFIG_PHYLIB=m
-
-#
-# MII PHY device drivers
-#
-CONFIG_MARVELL_PHY=m
-CONFIG_DAVICOM_PHY=m
-CONFIG_QSEMI_PHY=m
-CONFIG_LXT_PHY=m
-CONFIG_CICADA_PHY=m
-CONFIG_VITESSE_PHY=m
-CONFIG_SMSC_PHY=m
+# CONFIG_PHYLIB is not set
 
 #
 # Ethernet (10 or 100Mbit)
 #
 CONFIG_NET_ETHERNET=y
-# CONFIG_MII is not set
-CONFIG_MIPS_GT96100ETH=y
-# CONFIG_DM9000 is not set
+CONFIG_MII=y
+CONFIG_MACB=y
 
 #
 # Ethernet (1000 Mbit)
@@ -465,7 +335,15 @@ CONFIG_MIPS_GT96100ETH=y
 # Wan interfaces
 #
 # CONFIG_WAN is not set
-# CONFIG_PPP is not set
+CONFIG_PPP=m
+# CONFIG_PPP_MULTILINK is not set
+# CONFIG_PPP_FILTER is not set
+CONFIG_PPP_ASYNC=m
+# CONFIG_PPP_SYNC_TTY is not set
+CONFIG_PPP_DEFLATE=m
+# CONFIG_PPP_BSDCOMP is not set
+# CONFIG_PPP_MPPE is not set
+# CONFIG_PPPOE is not set
 # CONFIG_SLIP is not set
 # CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
@@ -485,65 +363,35 @@ CONFIG_MIPS_GT96100ETH=y
 #
 # Input device support
 #
-CONFIG_INPUT=y
-
-#
-# Userland interfaces
-#
-CONFIG_INPUT_MOUSEDEV=y
-CONFIG_INPUT_MOUSEDEV_PSAUX=y
-CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
-CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
-# CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
-# CONFIG_INPUT_EVDEV is not set
-# CONFIG_INPUT_EVBUG is not set
-
-#
-# Input Device Drivers
-#
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
-# CONFIG_INPUT_JOYSTICK is not set
-# CONFIG_INPUT_TOUCHSCREEN is not set
-# CONFIG_INPUT_MISC is not set
+# CONFIG_INPUT is not set
 
 #
 # Hardware I/O ports
 #
-CONFIG_SERIO=y
-# CONFIG_SERIO_I8042 is not set
-CONFIG_SERIO_SERPORT=y
-# CONFIG_SERIO_LIBPS2 is not set
-CONFIG_SERIO_RAW=m
+# CONFIG_SERIO is not set
 # CONFIG_GAMEPORT is not set
 
 #
 # Character devices
 #
-CONFIG_VT=y
-CONFIG_VT_CONSOLE=y
-CONFIG_HW_CONSOLE=y
-CONFIG_VT_HW_CONSOLE_BINDING=y
+# CONFIG_VT is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
 # Serial drivers
 #
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=4
-CONFIG_SERIAL_8250_RUNTIME_UARTS=4
-# CONFIG_SERIAL_8250_EXTENDED is not set
+# CONFIG_SERIAL_8250 is not set
 
 #
 # Non-8250 serial port support
 #
+CONFIG_SERIAL_AT91=y
+CONFIG_SERIAL_AT91_CONSOLE=y
+# CONFIG_SERIAL_AT91_TTYAT is not set
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_LEGACY_PTYS is not set
 
 #
 # IPMI
@@ -579,13 +427,23 @@ CONFIG_LEGACY_PTY_COUNT=256
 #
 # SPI support
 #
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_ATMEL=m
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
 
 #
 # Dallas's 1-wire bus
 #
-# CONFIG_W1 is not set
 
 #
 # Hardware Monitoring support
@@ -612,13 +470,28 @@ CONFIG_VIDEO_V4L2=y
 # Graphics support
 #
 # CONFIG_FIRMWARE_EDID is not set
-# CONFIG_FB is not set
-
-#
-# Console display driver support
-#
-# CONFIG_VGA_CONSOLE is not set
-CONFIG_DUMMY_CONSOLE=y
+CONFIG_FB=m
+CONFIG_FB_CFB_FILLRECT=m
+CONFIG_FB_CFB_COPYAREA=m
+CONFIG_FB_CFB_IMAGEBLIT=m
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+CONFIG_FB_SIDSA=m
+CONFIG_FB_SIDSA_DEFAULT_BPP=24
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_VIRTUAL is not set
+
+#
+# Logo configuration
+#
+# CONFIG_LOGO is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+# CONFIG_BACKLIGHT_CLASS_DEVICE is not set
+CONFIG_LCD_CLASS_DEVICE=m
+CONFIG_LCD_DEVICE=y
+CONFIG_LCD_LTV350QV=m
 
 #
 # Sound
@@ -697,15 +570,14 @@ CONFIG_EXT2_FS=y
 # CONFIG_FS_POSIX_ACL is not set
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
-CONFIG_INOTIFY=y
-CONFIG_INOTIFY_USER=y
+CONFIG_MINIX_FS=m
+CONFIG_ROMFS_FS=m
+# CONFIG_INOTIFY is not set
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
+# CONFIG_DNOTIFY is not set
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
-CONFIG_FUSE_FS=m
+# CONFIG_FUSE_FS is not set
 
 #
 # CD-ROM/DVD Filesystems
@@ -716,8 +588,11 @@ CONFIG_FUSE_FS=m
 #
 # DOS/FAT/NT Filesystems
 #
-# CONFIG_MSDOS_FS is not set
-# CONFIG_VFAT_FS is not set
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 # CONFIG_NTFS_FS is not set
 
 #
@@ -726,10 +601,10 @@ CONFIG_FUSE_FS=m
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
-# CONFIG_CONFIGFS_FS is not set
+CONFIG_CONFIGFS_FS=m
 
 #
 # Miscellaneous filesystems
@@ -752,19 +627,25 @@ CONFIG_RAMFS=y
 # Network File Systems
 #
 CONFIG_NFS_FS=y
-# CONFIG_NFS_V3 is not set
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
 # CONFIG_NFS_V4 is not set
 # CONFIG_NFS_DIRECTIO is not set
 # CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
 CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
-# CONFIG_CIFS is not set
+CONFIG_CIFS=m
+# CONFIG_CIFS_STATS is not set
+# CONFIG_CIFS_WEAK_PW_HASH is not set
+# CONFIG_CIFS_XATTR is not set
 # CONFIG_CIFS_DEBUG2 is not set
+# CONFIG_CIFS_EXPERIMENTAL is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
@@ -779,60 +660,84 @@ CONFIG_MSDOS_PARTITION=y
 #
 # Native Language Support
 #
-# CONFIG_NLS is not set
-
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
+CONFIG_NLS=m
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=m
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+CONFIG_NLS_CODEPAGE_850=m
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=m
 
 #
 # Kernel hacking
 #
-# CONFIG_PRINTK_TIME is not set
-# CONFIG_MAGIC_SYSRQ is not set
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_PRINTK_TIME=y
+CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
-# CONFIG_DEBUG_KERNEL is not set
+CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_DEBUG_FS is not set
-CONFIG_CROSSCOMPILE=y
-CONFIG_CMDLINE=""
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_RWSEMS is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_DEBUG_VM is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_UNWIND_INFO is not set
+CONFIG_FORCED_INLINING=y
+# CONFIG_RCU_TORTURE_TEST is not set
+CONFIG_KPROBES=y
 
 #
 # Security options
 #
-CONFIG_KEYS=y
-CONFIG_KEYS_DEBUG_PROC_KEYS=y
+# CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 
 #
 # Cryptographic options
 #
-CONFIG_CRYPTO=y
-CONFIG_CRYPTO_HMAC=y
-CONFIG_CRYPTO_NULL=m
-CONFIG_CRYPTO_MD4=m
-CONFIG_CRYPTO_MD5=m
-CONFIG_CRYPTO_SHA1=m
-CONFIG_CRYPTO_SHA256=m
-CONFIG_CRYPTO_SHA512=m
-CONFIG_CRYPTO_WP512=m
-CONFIG_CRYPTO_TGR192=m
-CONFIG_CRYPTO_DES=m
-CONFIG_CRYPTO_BLOWFISH=m
-CONFIG_CRYPTO_TWOFISH=m
-CONFIG_CRYPTO_SERPENT=m
-CONFIG_CRYPTO_AES=m
-CONFIG_CRYPTO_CAST5=m
-CONFIG_CRYPTO_CAST6=m
-CONFIG_CRYPTO_TEA=m
-CONFIG_CRYPTO_ARC4=m
-CONFIG_CRYPTO_KHAZAD=m
-CONFIG_CRYPTO_ANUBIS=m
-CONFIG_CRYPTO_DEFLATE=m
-CONFIG_CRYPTO_MICHAEL_MIC=m
-CONFIG_CRYPTO_CRC32C=m
-# CONFIG_CRYPTO_TEST is not set
+# CONFIG_CRYPTO is not set
 
 #
 # Hardware crypto devices
@@ -841,10 +746,9 @@ CONFIG_CRYPTO_CRC32C=m
 #
 # Library routines
 #
-# CONFIG_CRC_CCITT is not set
-CONFIG_CRC16=m
+CONFIG_CRC_CCITT=m
+# CONFIG_CRC16 is not set
 CONFIG_CRC32=m
-CONFIG_LIBCRC32C=m
+# CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=m
 CONFIG_ZLIB_DEFLATE=m
-CONFIG_PLIST=y
diff --git a/arch/avr32/kernel/Makefile b/arch/avr32/kernel/Makefile
new file mode 100644
index 000000000000..90e5afff54a2
--- /dev/null
+++ b/arch/avr32/kernel/Makefile
@@ -0,0 +1,18 @@
+#
+# Makefile for the Linux/AVR32 kernel.
+#
+
+extra-y				:= head.o vmlinux.lds
+
+obj-$(CONFIG_SUBARCH_AVR32B)	+= entry-avr32b.o
+obj-y				+= syscall_table.o syscall-stubs.o irq.o
+obj-y				+= setup.o traps.o semaphore.o ptrace.o
+obj-y				+= signal.o sys_avr32.o process.o time.o
+obj-y				+= init_task.o switch_to.o cpu.o
+obj-$(CONFIG_MODULES)		+= module.o avr32_ksyms.o
+obj-$(CONFIG_KPROBES)		+= kprobes.o
+
+USE_STANDARD_AS_RULE		:= true
+
+%.lds: %.lds.c FORCE
+	$(call if_changed_dep,cpp_lds_S)
diff --git a/arch/avr32/kernel/asm-offsets.c b/arch/avr32/kernel/asm-offsets.c
new file mode 100644
index 000000000000..97d865865667
--- /dev/null
+++ b/arch/avr32/kernel/asm-offsets.c
@@ -0,0 +1,25 @@
+/*
+ * Generate definitions needed by assembly language modules.
+ * This code generates raw asm output which is post-processed
+ * to extract and format the required data.
+ */
+
+#include <linux/thread_info.h>
+
+#define DEFINE(sym, val) \
+        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+
+#define BLANK() asm volatile("\n->" : : )
+
+#define OFFSET(sym, str, mem) \
+        DEFINE(sym, offsetof(struct str, mem));
+
+void foo(void)
+{
+	OFFSET(TI_task, thread_info, task);
+	OFFSET(TI_exec_domain, thread_info, exec_domain);
+	OFFSET(TI_flags, thread_info, flags);
+	OFFSET(TI_cpu, thread_info, cpu);
+	OFFSET(TI_preempt_count, thread_info, preempt_count);
+	OFFSET(TI_restart_block, thread_info, restart_block);
+}
diff --git a/arch/avr32/kernel/avr32_ksyms.c b/arch/avr32/kernel/avr32_ksyms.c
new file mode 100644
index 000000000000..04f767a272b7
--- /dev/null
+++ b/arch/avr32/kernel/avr32_ksyms.c
@@ -0,0 +1,55 @@
+/*
+ * Export AVR32-specific functions for loadable modules.
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+
+#include <asm/checksum.h>
+#include <asm/uaccess.h>
+#include <asm/delay.h>
+
+/*
+ * GCC functions
+ */
+extern unsigned long long __avr32_lsl64(unsigned long long u, unsigned long b);
+extern unsigned long long __avr32_lsr64(unsigned long long u, unsigned long b);
+extern unsigned long long __avr32_asr64(unsigned long long u, unsigned long b);
+EXPORT_SYMBOL(__avr32_lsl64);
+EXPORT_SYMBOL(__avr32_lsr64);
+EXPORT_SYMBOL(__avr32_asr64);
+
+/*
+ * String functions
+ */
+EXPORT_SYMBOL(memset);
+EXPORT_SYMBOL(memcpy);
+
+/*
+ * Userspace access stuff.
+ */
+EXPORT_SYMBOL(copy_from_user);
+EXPORT_SYMBOL(copy_to_user);
+EXPORT_SYMBOL(__copy_user);
+EXPORT_SYMBOL(strncpy_from_user);
+EXPORT_SYMBOL(__strncpy_from_user);
+EXPORT_SYMBOL(clear_user);
+EXPORT_SYMBOL(__clear_user);
+EXPORT_SYMBOL(csum_partial);
+EXPORT_SYMBOL(csum_partial_copy_generic);
+
+/* Delay loops (lib/delay.S) */
+EXPORT_SYMBOL(__ndelay);
+EXPORT_SYMBOL(__udelay);
+EXPORT_SYMBOL(__const_udelay);
+
+/* Bit operations (lib/findbit.S) */
+EXPORT_SYMBOL(find_first_zero_bit);
+EXPORT_SYMBOL(find_next_zero_bit);
+EXPORT_SYMBOL(find_first_bit);
+EXPORT_SYMBOL(find_next_bit);
+EXPORT_SYMBOL(generic_find_next_zero_le_bit);
diff --git a/arch/avr32/kernel/cpu.c b/arch/avr32/kernel/cpu.c
new file mode 100644
index 000000000000..342452ba2049
--- /dev/null
+++ b/arch/avr32/kernel/cpu.c
@@ -0,0 +1,327 @@
+/*
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/sysdev.h>
+#include <linux/seq_file.h>
+#include <linux/cpu.h>
+#include <linux/percpu.h>
+#include <linux/param.h>
+#include <linux/errno.h>
+
+#include <asm/setup.h>
+#include <asm/sysreg.h>
+
+static DEFINE_PER_CPU(struct cpu, cpu_devices);
+
+#ifdef CONFIG_PERFORMANCE_COUNTERS
+
+/*
+ * XXX: If/when a SMP-capable implementation of AVR32 will ever be
+ * made, we must make sure that the code executes on the correct CPU.
+ */
+static ssize_t show_pc0event(struct sys_device *dev, char *buf)
+{
+	unsigned long pccr;
+
+	pccr = sysreg_read(PCCR);
+	return sprintf(buf, "0x%lx\n", (pccr >> 12) & 0x3f);
+}
+static ssize_t store_pc0event(struct sys_device *dev, const char *buf,
+			      size_t count)
+{
+	unsigned long val;
+	char *endp;
+
+	val = simple_strtoul(buf, &endp, 0);
+	if (endp == buf || val > 0x3f)
+		return -EINVAL;
+	val = (val << 12) | (sysreg_read(PCCR) & 0xfffc0fff);
+	sysreg_write(PCCR, val);
+	return count;
+}
+static ssize_t show_pc0count(struct sys_device *dev, char *buf)
+{
+	unsigned long pcnt0;
+
+	pcnt0 = sysreg_read(PCNT0);
+	return sprintf(buf, "%lu\n", pcnt0);
+}
+static ssize_t store_pc0count(struct sys_device *dev, const char *buf,
+			      size_t count)
+{
+	unsigned long val;
+	char *endp;
+
+	val = simple_strtoul(buf, &endp, 0);
+	if (endp == buf)
+		return -EINVAL;
+	sysreg_write(PCNT0, val);
+
+	return count;
+}
+
+static ssize_t show_pc1event(struct sys_device *dev, char *buf)
+{
+	unsigned long pccr;
+
+	pccr = sysreg_read(PCCR);
+	return sprintf(buf, "0x%lx\n", (pccr >> 18) & 0x3f);
+}
+static ssize_t store_pc1event(struct sys_device *dev, const char *buf,
+			      size_t count)
+{
+	unsigned long val;
+	char *endp;
+
+	val = simple_strtoul(buf, &endp, 0);
+	if (endp == buf || val > 0x3f)
+		return -EINVAL;
+	val = (val << 18) | (sysreg_read(PCCR) & 0xff03ffff);
+	sysreg_write(PCCR, val);
+	return count;
+}
+static ssize_t show_pc1count(struct sys_device *dev, char *buf)
+{
+	unsigned long pcnt1;
+
+	pcnt1 = sysreg_read(PCNT1);
+	return sprintf(buf, "%lu\n", pcnt1);
+}
+static ssize_t store_pc1count(struct sys_device *dev, const char *buf,
+			      size_t count)
+{
+	unsigned long val;
+	char *endp;
+
+	val = simple_strtoul(buf, &endp, 0);
+	if (endp == buf)
+		return -EINVAL;
+	sysreg_write(PCNT1, val);
+
+	return count;
+}
+
+static ssize_t show_pccycles(struct sys_device *dev, char *buf)
+{
+	unsigned long pccnt;
+
+	pccnt = sysreg_read(PCCNT);
+	return sprintf(buf, "%lu\n", pccnt);
+}
+static ssize_t store_pccycles(struct sys_device *dev, const char *buf,
+			      size_t count)
+{
+	unsigned long val;
+	char *endp;
+
+	val = simple_strtoul(buf, &endp, 0);
+	if (endp == buf)
+		return -EINVAL;
+	sysreg_write(PCCNT, val);
+
+	return count;
+}
+
+static ssize_t show_pcenable(struct sys_device *dev, char *buf)
+{
+	unsigned long pccr;
+
+	pccr = sysreg_read(PCCR);
+	return sprintf(buf, "%c\n", (pccr & 1)?'1':'0');
+}
+static ssize_t store_pcenable(struct sys_device *dev, const char *buf,
+			      size_t count)
+{
+	unsigned long pccr, val;
+	char *endp;
+
+	val = simple_strtoul(buf, &endp, 0);
+	if (endp == buf)
+		return -EINVAL;
+	if (val)
+		val = 1;
+
+	pccr = sysreg_read(PCCR);
+	pccr = (pccr & ~1UL) | val;
+	sysreg_write(PCCR, pccr);
+
+	return count;
+}
+
+static SYSDEV_ATTR(pc0event, 0600, show_pc0event, store_pc0event);
+static SYSDEV_ATTR(pc0count, 0600, show_pc0count, store_pc0count);
+static SYSDEV_ATTR(pc1event, 0600, show_pc1event, store_pc1event);
+static SYSDEV_ATTR(pc1count, 0600, show_pc1count, store_pc1count);
+static SYSDEV_ATTR(pccycles, 0600, show_pccycles, store_pccycles);
+static SYSDEV_ATTR(pcenable, 0600, show_pcenable, store_pcenable);
+
+#endif /* CONFIG_PERFORMANCE_COUNTERS */
+
+static int __init topology_init(void)
+{
+	int cpu;
+
+	for_each_possible_cpu(cpu) {
+		struct cpu *c = &per_cpu(cpu_devices, cpu);
+
+		register_cpu(c, cpu);
+
+#ifdef CONFIG_PERFORMANCE_COUNTERS
+		sysdev_create_file(&c->sysdev, &attr_pc0event);
+		sysdev_create_file(&c->sysdev, &attr_pc0count);
+		sysdev_create_file(&c->sysdev, &attr_pc1event);
+		sysdev_create_file(&c->sysdev, &attr_pc1count);
+		sysdev_create_file(&c->sysdev, &attr_pccycles);
+		sysdev_create_file(&c->sysdev, &attr_pcenable);
+#endif
+	}
+
+	return 0;
+}
+
+subsys_initcall(topology_init);
+
+static const char *cpu_names[] = {
+	"Morgan",
+	"AP7000",
+};
+#define NR_CPU_NAMES ARRAY_SIZE(cpu_names)
+
+static const char *arch_names[] = {
+	"AVR32A",
+	"AVR32B",
+};
+#define NR_ARCH_NAMES ARRAY_SIZE(arch_names)
+
+static const char *mmu_types[] = {
+	"No MMU",
+	"ITLB and DTLB",
+	"Shared TLB",
+	"MPU"
+};
+
+void __init setup_processor(void)
+{
+	unsigned long config0, config1;
+	unsigned cpu_id, cpu_rev, arch_id, arch_rev, mmu_type;
+	unsigned tmp;
+
+	config0 = sysreg_read(CONFIG0); /* 0x0000013e; */
+	config1 = sysreg_read(CONFIG1); /* 0x01f689a2; */
+	cpu_id = config0 >> 24;
+	cpu_rev = (config0 >> 16) & 0xff;
+	arch_id = (config0 >> 13) & 0x07;
+	arch_rev = (config0 >> 10) & 0x07;
+	mmu_type = (config0 >> 7) & 0x03;
+
+	boot_cpu_data.arch_type = arch_id;
+	boot_cpu_data.cpu_type = cpu_id;
+	boot_cpu_data.arch_revision = arch_rev;
+	boot_cpu_data.cpu_revision = cpu_rev;
+	boot_cpu_data.tlb_config = mmu_type;
+
+	tmp = (config1 >> 13) & 0x07;
+	if (tmp) {
+		boot_cpu_data.icache.ways = 1 << ((config1 >> 10) & 0x07);
+		boot_cpu_data.icache.sets = 1 << ((config1 >> 16) & 0x0f);
+		boot_cpu_data.icache.linesz = 1 << (tmp + 1);
+	}
+	tmp = (config1 >> 3) & 0x07;
+	if (tmp) {
+		boot_cpu_data.dcache.ways = 1 << (config1 & 0x07);
+		boot_cpu_data.dcache.sets = 1 << ((config1 >> 6) & 0x0f);
+		boot_cpu_data.dcache.linesz = 1 << (tmp + 1);
+	}
+
+	if ((cpu_id >= NR_CPU_NAMES) || (arch_id >= NR_ARCH_NAMES)) {
+		printk ("Unknown CPU configuration (ID %02x, arch %02x), "
+			"continuing anyway...\n",
+			cpu_id, arch_id);
+		return;
+	}
+
+	printk ("CPU: %s [%02x] revision %d (%s revision %d)\n",
+		cpu_names[cpu_id], cpu_id, cpu_rev,
+		arch_names[arch_id], arch_rev);
+	printk ("CPU: MMU configuration: %s\n", mmu_types[mmu_type]);
+	printk ("CPU: features:");
+	if (config0 & (1 << 6))
+		printk(" fpu");
+	if (config0 & (1 << 5))
+		printk(" java");
+	if (config0 & (1 << 4))
+		printk(" perfctr");
+	if (config0 & (1 << 3))
+		printk(" ocd");
+	printk("\n");
+}
+
+#ifdef CONFIG_PROC_FS
+static int c_show(struct seq_file *m, void *v)
+{
+	unsigned int icache_size, dcache_size;
+	unsigned int cpu = smp_processor_id();
+
+	icache_size = boot_cpu_data.icache.ways *
+		boot_cpu_data.icache.sets *
+		boot_cpu_data.icache.linesz;
+	dcache_size = boot_cpu_data.dcache.ways *
+		boot_cpu_data.dcache.sets *
+		boot_cpu_data.dcache.linesz;
+
+	seq_printf(m, "processor\t: %d\n", cpu);
+
+	if (boot_cpu_data.arch_type < NR_ARCH_NAMES)
+		seq_printf(m, "cpu family\t: %s revision %d\n",
+			   arch_names[boot_cpu_data.arch_type],
+			   boot_cpu_data.arch_revision);
+	if (boot_cpu_data.cpu_type < NR_CPU_NAMES)
+		seq_printf(m, "cpu type\t: %s revision %d\n",
+			   cpu_names[boot_cpu_data.cpu_type],
+			   boot_cpu_data.cpu_revision);
+
+	seq_printf(m, "i-cache\t\t: %dK (%u ways x %u sets x %u)\n",
+		   icache_size >> 10,
+		   boot_cpu_data.icache.ways,
+		   boot_cpu_data.icache.sets,
+		   boot_cpu_data.icache.linesz);
+	seq_printf(m, "d-cache\t\t: %dK (%u ways x %u sets x %u)\n",
+		   dcache_size >> 10,
+		   boot_cpu_data.dcache.ways,
+		   boot_cpu_data.dcache.sets,
+		   boot_cpu_data.dcache.linesz);
+	seq_printf(m, "bogomips\t: %lu.%02lu\n",
+		   boot_cpu_data.loops_per_jiffy / (500000/HZ),
+		   (boot_cpu_data.loops_per_jiffy / (5000/HZ)) % 100);
+
+	return 0;
+}
+
+static void *c_start(struct seq_file *m, loff_t *pos)
+{
+	return *pos < 1 ? (void *)1 : NULL;
+}
+
+static void *c_next(struct seq_file *m, void *v, loff_t *pos)
+{
+	++*pos;
+	return NULL;
+}
+
+static void c_stop(struct seq_file *m, void *v)
+{
+
+}
+
+struct seq_operations cpuinfo_op = {
+	.start	= c_start,
+	.next	= c_next,
+	.stop	= c_stop,
+	.show	= c_show
+};
+#endif /* CONFIG_PROC_FS */
diff --git a/arch/avr32/kernel/entry-avr32b.S b/arch/avr32/kernel/entry-avr32b.S
new file mode 100644
index 000000000000..eeb66792bc37
--- /dev/null
+++ b/arch/avr32/kernel/entry-avr32b.S
@@ -0,0 +1,678 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * This file contains the low-level entry-points into the kernel, that is,
+ * exception handlers, debug trap handlers, interrupt handlers and the
+ * system call handler.
+ */
+#include <linux/errno.h>
+
+#include <asm/asm.h>
+#include <asm/hardirq.h>
+#include <asm/irq.h>
+#include <asm/ocd.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/ptrace.h>
+#include <asm/sysreg.h>
+#include <asm/thread_info.h>
+#include <asm/unistd.h>
+
+#ifdef CONFIG_PREEMPT
+# define preempt_stop		mask_interrupts
+#else
+# define preempt_stop
+# define fault_resume_kernel	fault_restore_all
+#endif
+
+#define __MASK(x)	((1 << (x)) - 1)
+#define IRQ_MASK	((__MASK(SOFTIRQ_BITS) << SOFTIRQ_SHIFT) | \
+			 (__MASK(HARDIRQ_BITS) << HARDIRQ_SHIFT))
+
+	.section .ex.text,"ax",@progbits
+	.align	2
+exception_vectors:
+	bral	handle_critical
+	.align	2
+	bral	handle_critical
+	.align	2
+	bral	do_bus_error_write
+	.align	2
+	bral	do_bus_error_read
+	.align	2
+	bral	do_nmi_ll
+	.align	2
+	bral	handle_address_fault
+	.align	2
+	bral	handle_protection_fault
+	.align	2
+	bral	handle_debug
+	.align	2
+	bral	do_illegal_opcode_ll
+	.align	2
+	bral	do_illegal_opcode_ll
+	.align	2
+	bral	do_illegal_opcode_ll
+	.align	2
+	bral	do_fpe_ll
+	.align	2
+	bral	do_illegal_opcode_ll
+	.align	2
+	bral	handle_address_fault
+	.align	2
+	bral	handle_address_fault
+	.align	2
+	bral	handle_protection_fault
+	.align	2
+	bral	handle_protection_fault
+	.align	2
+	bral	do_dtlb_modified
+
+	/*
+	 * r0 :	PGD/PT/PTE
+	 * r1 : Offending address
+	 * r2 : Scratch register
+	 * r3 : Cause (5, 12 or 13)
+	 */
+#define	tlbmiss_save	pushm	r0-r3
+#define tlbmiss_restore	popm	r0-r3
+
+	.section .tlbx.ex.text,"ax",@progbits
+	.global	itlb_miss
+itlb_miss:
+	tlbmiss_save
+	rjmp	tlb_miss_common
+
+	.section .tlbr.ex.text,"ax",@progbits
+dtlb_miss_read:
+	tlbmiss_save
+	rjmp	tlb_miss_common
+
+	.section .tlbw.ex.text,"ax",@progbits
+dtlb_miss_write:
+	tlbmiss_save
+
+	.global	tlb_miss_common
+tlb_miss_common:
+	mfsr	r0, SYSREG_PTBR
+	mfsr	r1, SYSREG_TLBEAR
+
+	/* Is it the vmalloc space? */
+	bld	r1, 31
+	brcs	handle_vmalloc_miss
+
+	/* First level lookup */
+pgtbl_lookup:
+	lsr	r2, r1, PGDIR_SHIFT
+	ld.w	r0, r0[r2 << 2]
+	bld	r0, _PAGE_BIT_PRESENT
+	brcc	page_table_not_present
+
+	/* TODO: Check access rights on page table if necessary */
+
+	/* Translate to virtual address in P1. */
+	andl	r0, 0xf000
+	sbr	r0, 31
+
+	/* Second level lookup */
+	lsl	r1, (32 - PGDIR_SHIFT)
+	lsr	r1, (32 - PGDIR_SHIFT) + PAGE_SHIFT
+	add	r2, r0, r1 << 2
+	ld.w	r1, r2[0]
+	bld	r1, _PAGE_BIT_PRESENT
+	brcc	page_not_present
+
+	/* Mark the page as accessed */
+	sbr	r1, _PAGE_BIT_ACCESSED
+	st.w	r2[0], r1
+
+	/* Drop software flags */
+	andl	r1, _PAGE_FLAGS_HARDWARE_MASK & 0xffff
+	mtsr	SYSREG_TLBELO, r1
+
+	/* Figure out which entry we want to replace */
+	mfsr	r0, SYSREG_TLBARLO
+	clz	r2, r0
+	brcc	1f
+	mov	r1, -1			/* All entries have been accessed, */
+	mtsr	SYSREG_TLBARLO, r1	/* so reset TLBAR */
+	mov	r2, 0			/* and start at 0 */
+1:	mfsr	r1, SYSREG_MMUCR
+	lsl	r2, 14
+	andl	r1, 0x3fff, COH
+	or	r1, r2
+	mtsr	SYSREG_MMUCR, r1
+
+	tlbw
+
+	tlbmiss_restore
+	rete
+
+handle_vmalloc_miss:
+	/* Simply do the lookup in init's page table */
+	mov	r0, lo(swapper_pg_dir)
+	orh	r0, hi(swapper_pg_dir)
+	rjmp	pgtbl_lookup
+
+
+	/* ---                    System Call                    --- */
+
+	.section .scall.text,"ax",@progbits
+system_call:
+	pushm	r12		/* r12_orig */
+	stmts	--sp, r0-lr
+	zero_fp
+	mfsr	r0, SYSREG_RAR_SUP
+	mfsr	r1, SYSREG_RSR_SUP
+	stm	--sp, r0-r1
+
+	/* check for syscall tracing */
+	get_thread_info r0
+	ld.w	r1, r0[TI_flags]
+	bld	r1, TIF_SYSCALL_TRACE
+	brcs	syscall_trace_enter
+
+syscall_trace_cont:
+	cp.w	r8, NR_syscalls
+	brhs	syscall_badsys
+
+	lddpc   lr, syscall_table_addr
+	ld.w    lr, lr[r8 << 2]
+	mov	r8, r5		/* 5th argument (6th is pushed by stub) */
+	icall   lr
+
+	.global	syscall_return
+syscall_return:
+	get_thread_info r0
+	mask_interrupts		/* make sure we don't miss an interrupt
+				   setting need_resched or sigpending
+				   between sampling and the rets */
+
+	/* Store the return value so that the correct value is loaded below */
+	stdsp   sp[REG_R12], r12
+
+	ld.w	r1, r0[TI_flags]
+	andl	r1, _TIF_ALLWORK_MASK, COH
+	brne	syscall_exit_work
+
+syscall_exit_cont:
+	popm	r8-r9
+	mtsr	SYSREG_RAR_SUP, r8
+	mtsr	SYSREG_RSR_SUP, r9
+	ldmts	sp++, r0-lr
+	sub	sp, -4		/* r12_orig */
+	rets
+
+	.align	2
+syscall_table_addr:
+	.long   sys_call_table
+
+syscall_badsys:
+	mov	r12, -ENOSYS
+	rjmp	syscall_return
+
+	.global ret_from_fork
+ret_from_fork:
+	rcall   schedule_tail
+
+	/* check for syscall tracing */
+	get_thread_info r0
+	ld.w	r1, r0[TI_flags]
+	andl	r1, _TIF_ALLWORK_MASK, COH
+	brne	syscall_exit_work
+	rjmp    syscall_exit_cont
+
+syscall_trace_enter:
+	pushm	r8-r12
+	rcall	syscall_trace
+	popm	r8-r12
+	rjmp	syscall_trace_cont
+
+syscall_exit_work:
+	bld	r1, TIF_SYSCALL_TRACE
+	brcc	1f
+	unmask_interrupts
+	rcall	syscall_trace
+	mask_interrupts
+	ld.w	r1, r0[TI_flags]
+
+1:	bld	r1, TIF_NEED_RESCHED
+	brcc	2f
+	unmask_interrupts
+	rcall	schedule
+	mask_interrupts
+	ld.w	r1, r0[TI_flags]
+	rjmp	1b
+
+2:	mov	r2, _TIF_SIGPENDING | _TIF_RESTORE_SIGMASK
+	tst	r1, r2
+	breq	3f
+	unmask_interrupts
+	mov	r12, sp
+	mov	r11, r0
+	rcall	do_notify_resume
+	mask_interrupts
+	ld.w	r1, r0[TI_flags]
+	rjmp	1b
+
+3:	bld	r1, TIF_BREAKPOINT
+	brcc	syscall_exit_cont
+	mfsr	r3, SYSREG_TLBEHI
+	lddsp	r2, sp[REG_PC]
+	andl	r3, 0xff, COH
+	lsl	r3, 1
+	sbr	r3, 30
+	sbr	r3, 0
+	mtdr	DBGREG_BWA2A, r2
+	mtdr	DBGREG_BWC2A, r3
+	rjmp	syscall_exit_cont
+
+
+	/* The slow path of the TLB miss handler */
+page_table_not_present:
+page_not_present:
+	tlbmiss_restore
+	sub	sp, 4
+	stmts	--sp, r0-lr
+	rcall	save_full_context_ex
+	mfsr	r12, SYSREG_ECR
+	mov	r11, sp
+	rcall	do_page_fault
+	rjmp	ret_from_exception
+
+	/* This function expects to find offending PC in SYSREG_RAR_EX */
+save_full_context_ex:
+	mfsr	r8, SYSREG_RSR_EX
+	mov	r12, r8
+	andh	r8, (MODE_MASK >> 16), COH
+	mfsr	r11, SYSREG_RAR_EX
+	brne	2f
+
+1:	pushm	r11, r12	/* PC and SR */
+	unmask_exceptions
+	ret	r12
+
+2:	sub	r10, sp, -(FRAME_SIZE_FULL - REG_LR)
+	stdsp	sp[4], r10	/* replace saved SP */
+	rjmp	1b
+
+	/* Low-level exception handlers */
+handle_critical:
+	pushm	r12
+	pushm	r0-r12
+	rcall	save_full_context_ex
+	mfsr	r12, SYSREG_ECR
+	mov	r11, sp
+	rcall	do_critical_exception
+
+	/* We should never get here... */
+bad_return:
+	sub	r12, pc, (. - 1f)
+	bral	panic
+	.align	2
+1:	.asciz	"Return from critical exception!"
+
+	.align	1
+do_bus_error_write:
+	sub	sp, 4
+	stmts	--sp, r0-lr
+	rcall	save_full_context_ex
+	mov	r11, 1
+	rjmp	1f
+
+do_bus_error_read:
+	sub	sp, 4
+	stmts	--sp, r0-lr
+	rcall	save_full_context_ex
+	mov	r11, 0
+1:	mfsr	r12, SYSREG_BEAR
+	mov	r10, sp
+	rcall	do_bus_error
+	rjmp	ret_from_exception
+
+	.align	1
+do_nmi_ll:
+	sub	sp, 4
+	stmts	--sp, r0-lr
+	/* FIXME: Make sure RAR_NMI and RSR_NMI are pushed instead of *_EX */
+	rcall	save_full_context_ex
+	mfsr	r12, SYSREG_ECR
+	mov	r11, sp
+	rcall	do_nmi
+	rjmp	bad_return
+
+handle_address_fault:
+	sub	sp, 4
+	stmts	--sp, r0-lr
+	rcall	save_full_context_ex
+	mfsr	r12, SYSREG_ECR
+	mov	r11, sp
+	rcall	do_address_exception
+	rjmp	ret_from_exception
+
+handle_protection_fault:
+	sub	sp, 4
+	stmts	--sp, r0-lr
+	rcall	save_full_context_ex
+	mfsr	r12, SYSREG_ECR
+	mov	r11, sp
+	rcall	do_page_fault
+	rjmp	ret_from_exception
+
+	.align	1
+do_illegal_opcode_ll:
+	sub	sp, 4
+	stmts	--sp, r0-lr
+	rcall	save_full_context_ex
+	mfsr	r12, SYSREG_ECR
+	mov	r11, sp
+	rcall	do_illegal_opcode
+	rjmp	ret_from_exception
+
+do_dtlb_modified:
+	pushm	r0-r3
+	mfsr	r1, SYSREG_TLBEAR
+	mfsr	r0, SYSREG_PTBR
+	lsr	r2, r1, PGDIR_SHIFT
+	ld.w	r0, r0[r2 << 2]
+	lsl	r1, (32 - PGDIR_SHIFT)
+	lsr	r1, (32 - PGDIR_SHIFT) + PAGE_SHIFT
+
+	/* Translate to virtual address in P1 */
+	andl	r0, 0xf000
+	sbr	r0, 31
+	add	r2, r0, r1 << 2
+	ld.w	r3, r2[0]
+	sbr	r3, _PAGE_BIT_DIRTY
+	mov	r0, r3
+	st.w	r2[0], r3
+
+	/* The page table is up-to-date. Update the TLB entry as well */
+	andl	r0, lo(_PAGE_FLAGS_HARDWARE_MASK)
+	mtsr	SYSREG_TLBELO, r0
+
+	/* MMUCR[DRP] is updated automatically, so let's go... */
+	tlbw
+
+	popm	r0-r3
+	rete
+
+do_fpe_ll:
+	sub	sp, 4
+	stmts	--sp, r0-lr
+	rcall	save_full_context_ex
+	unmask_interrupts
+	mov	r12, 26
+	mov	r11, sp
+	rcall	do_fpe
+	rjmp	ret_from_exception
+
+ret_from_exception:
+	mask_interrupts
+	lddsp	r4, sp[REG_SR]
+	andh	r4, (MODE_MASK >> 16), COH
+	brne	fault_resume_kernel
+
+	get_thread_info r0
+	ld.w	r1, r0[TI_flags]
+	andl	r1, _TIF_WORK_MASK, COH
+	brne	fault_exit_work
+
+fault_resume_user:
+	popm	r8-r9
+	mask_exceptions
+	mtsr	SYSREG_RAR_EX, r8
+	mtsr	SYSREG_RSR_EX, r9
+	ldmts	sp++, r0-lr
+	sub	sp, -4
+	rete
+
+fault_resume_kernel:
+#ifdef CONFIG_PREEMPT
+	get_thread_info	r0
+	ld.w	r2, r0[TI_preempt_count]
+	cp.w	r2, 0
+	brne	1f
+	ld.w	r1, r0[TI_flags]
+	bld	r1, TIF_NEED_RESCHED
+	brcc	1f
+	lddsp	r4, sp[REG_SR]
+	bld	r4, SYSREG_GM_OFFSET
+	brcs	1f
+	rcall	preempt_schedule_irq
+1:
+#endif
+
+	popm	r8-r9
+	mask_exceptions
+	mfsr	r1, SYSREG_SR
+	mtsr	SYSREG_RAR_EX, r8
+	mtsr	SYSREG_RSR_EX, r9
+	popm	lr
+	sub	sp, -4		/* ignore SP */
+	popm	r0-r12
+	sub	sp, -4		/* ignore r12_orig */
+	rete
+
+irq_exit_work:
+	/* Switch to exception mode so that we can share the same code. */
+	mfsr	r8, SYSREG_SR
+	cbr	r8, SYSREG_M0_OFFSET
+	orh	r8, hi(SYSREG_BIT(M1) | SYSREG_BIT(M2))
+	mtsr	SYSREG_SR, r8
+	sub	pc, -2
+	get_thread_info r0
+	ld.w	r1, r0[TI_flags]
+
+fault_exit_work:
+	bld	r1, TIF_NEED_RESCHED
+	brcc	1f
+	unmask_interrupts
+	rcall	schedule
+	mask_interrupts
+	ld.w	r1, r0[TI_flags]
+	rjmp	fault_exit_work
+
+1:	mov	r2, _TIF_SIGPENDING | _TIF_RESTORE_SIGMASK
+	tst	r1, r2
+	breq	2f
+	unmask_interrupts
+	mov	r12, sp
+	mov	r11, r0
+	rcall	do_notify_resume
+	mask_interrupts
+	ld.w	r1, r0[TI_flags]
+	rjmp	fault_exit_work
+
+2:	bld	r1, TIF_BREAKPOINT
+	brcc	fault_resume_user
+	mfsr	r3, SYSREG_TLBEHI
+	lddsp	r2, sp[REG_PC]
+	andl	r3, 0xff, COH
+	lsl	r3, 1
+	sbr	r3, 30
+	sbr	r3, 0
+	mtdr	DBGREG_BWA2A, r2
+	mtdr	DBGREG_BWC2A, r3
+	rjmp	fault_resume_user
+
+	/* If we get a debug trap from privileged context we end up here */
+handle_debug_priv:
+	/* Fix up LR and SP in regs. r11 contains the mode we came from */
+	mfsr	r8, SYSREG_SR
+	mov	r9, r8
+	andh	r8, hi(~MODE_MASK)
+	or	r8, r11
+	mtsr	SYSREG_SR, r8
+	sub	pc, -2
+	stdsp	sp[REG_LR], lr
+	mtsr	SYSREG_SR, r9
+	sub	pc, -2
+	sub	r10, sp, -FRAME_SIZE_FULL
+	stdsp	sp[REG_SP], r10
+	mov	r12, sp
+	rcall	do_debug_priv
+
+	/* Now, put everything back */
+	ssrf	SR_EM_BIT
+	popm	r10, r11
+	mtsr	SYSREG_RAR_DBG, r10
+	mtsr	SYSREG_RSR_DBG, r11
+	mfsr	r8, SYSREG_SR
+	mov	r9, r8
+	andh	r8, hi(~MODE_MASK)
+	andh	r11, hi(MODE_MASK)
+	or	r8, r11
+	mtsr	SYSREG_SR, r8
+	sub	pc, -2
+	popm	lr
+	mtsr	SYSREG_SR, r9
+	sub	pc, -2
+	sub	sp, -4		/* skip SP */
+	popm	r0-r12
+	sub	sp, -4
+	retd
+
+	/*
+	 * At this point, everything is masked, that is, interrupts,
+	 * exceptions and debugging traps. We might get called from
+	 * interrupt or exception context in some rare cases, but this
+	 * will be taken care of by do_debug(), so we're not going to
+	 * do a 100% correct context save here.
+	 */
+handle_debug:
+	sub	sp, 4		/* r12_orig */
+	stmts	--sp, r0-lr
+	mfsr	r10, SYSREG_RAR_DBG
+	mfsr	r11, SYSREG_RSR_DBG
+	unmask_exceptions
+	pushm	r10,r11
+	andh	r11, (MODE_MASK >> 16), COH
+	brne	handle_debug_priv
+
+	mov	r12, sp
+	rcall	do_debug
+
+	lddsp	r10, sp[REG_SR]
+	andh	r10, (MODE_MASK >> 16), COH
+	breq	debug_resume_user
+
+debug_restore_all:
+	popm	r10,r11
+	mask_exceptions
+	mtsr	SYSREG_RSR_DBG, r11
+	mtsr	SYSREG_RAR_DBG, r10
+	ldmts	sp++, r0-lr
+	sub	sp, -4
+	retd
+
+debug_resume_user:
+	get_thread_info r0
+	mask_interrupts
+
+	ld.w	r1, r0[TI_flags]
+	andl	r1, _TIF_DBGWORK_MASK, COH
+	breq	debug_restore_all
+
+1:	bld	r1, TIF_NEED_RESCHED
+	brcc	2f
+	unmask_interrupts
+	rcall	schedule
+	mask_interrupts
+	ld.w	r1, r0[TI_flags]
+	rjmp	1b
+
+2:	mov	r2, _TIF_SIGPENDING | _TIF_RESTORE_SIGMASK
+	tst	r1, r2
+	breq	3f
+	unmask_interrupts
+	mov	r12, sp
+	mov	r11, r0
+	rcall	do_notify_resume
+	mask_interrupts
+	ld.w	r1, r0[TI_flags]
+	rjmp	1b
+
+3:	bld	r1, TIF_SINGLE_STEP
+	brcc	debug_restore_all
+	mfdr	r2, DBGREG_DC
+	sbr	r2, DC_SS_BIT
+	mtdr	DBGREG_DC, r2
+	rjmp	debug_restore_all
+
+	.set	rsr_int0,	SYSREG_RSR_INT0
+	.set	rsr_int1,	SYSREG_RSR_INT1
+	.set	rsr_int2,	SYSREG_RSR_INT2
+	.set	rsr_int3,	SYSREG_RSR_INT3
+	.set	rar_int0,	SYSREG_RAR_INT0
+	.set	rar_int1,	SYSREG_RAR_INT1
+	.set	rar_int2,	SYSREG_RAR_INT2
+	.set	rar_int3,	SYSREG_RAR_INT3
+
+	.macro	IRQ_LEVEL level
+	.type	irq_level\level, @function
+irq_level\level:
+	sub	sp, 4		/* r12_orig */
+	stmts	--sp,r0-lr
+	mfsr	r8, rar_int\level
+	mfsr	r9, rsr_int\level
+	pushm	r8-r9
+
+	mov	r11, sp
+	mov	r12, \level
+
+	rcall	do_IRQ
+
+	lddsp	r4, sp[REG_SR]
+	andh	r4, (MODE_MASK >> 16), COH
+#ifdef CONFIG_PREEMPT
+	brne	2f
+#else
+	brne	1f
+#endif
+
+	get_thread_info	r0
+	ld.w	r1, r0[TI_flags]
+	andl	r1, _TIF_WORK_MASK, COH
+	brne	irq_exit_work
+
+1:	popm	r8-r9
+	mtsr	rar_int\level, r8
+	mtsr	rsr_int\level, r9
+	ldmts	sp++,r0-lr
+	sub	sp, -4		/* ignore r12_orig */
+	rete
+
+#ifdef CONFIG_PREEMPT
+2:
+	get_thread_info	r0
+	ld.w	r2, r0[TI_preempt_count]
+	cp.w	r2, 0
+	brne	1b
+	ld.w	r1, r0[TI_flags]
+	bld	r1, TIF_NEED_RESCHED
+	brcc	1b
+	lddsp	r4, sp[REG_SR]
+	bld	r4, SYSREG_GM_OFFSET
+	brcs	1b
+	rcall	preempt_schedule_irq
+	rjmp	1b
+#endif
+	.endm
+
+	.section .irq.text,"ax",@progbits
+
+	.global	irq_level0
+	.global	irq_level1
+	.global	irq_level2
+	.global	irq_level3
+	IRQ_LEVEL 0
+	IRQ_LEVEL 1
+	IRQ_LEVEL 2
+	IRQ_LEVEL 3
diff --git a/arch/avr32/kernel/head.S b/arch/avr32/kernel/head.S
new file mode 100644
index 000000000000..773b7ad87be9
--- /dev/null
+++ b/arch/avr32/kernel/head.S
@@ -0,0 +1,45 @@
+/*
+ * Non-board-specific low-level startup code
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+
+#include <asm/page.h>
+#include <asm/thread_info.h>
+#include <asm/sysreg.h>
+
+	.section .init.text,"ax"
+	.global kernel_entry
+kernel_entry:
+	/* Initialize status register */
+	lddpc   r0, init_sr
+	mtsr	SYSREG_SR, r0
+
+	/* Set initial stack pointer */
+	lddpc   sp, stack_addr
+	sub	sp, -THREAD_SIZE
+
+#ifdef CONFIG_FRAME_POINTER
+	/* Mark last stack frame */
+	mov	lr, 0
+	mov	r7, 0
+#endif
+
+	/* Set up the PIO, SDRAM controller, early printk, etc. */
+	rcall	board_early_init
+
+	/* Start the show */
+	lddpc   pc, kernel_start_addr
+
+	.align  2
+init_sr:
+	.long   0x007f0000	/* Supervisor mode, everything masked */
+stack_addr:
+	.long   init_thread_union
+kernel_start_addr:
+	.long   start_kernel
diff --git a/arch/avr32/kernel/init_task.c b/arch/avr32/kernel/init_task.c
new file mode 100644
index 000000000000..effcacf9d1a2
--- /dev/null
+++ b/arch/avr32/kernel/init_task.c
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/sched.h>
+#include <linux/init_task.h>
+#include <linux/mqueue.h>
+
+#include <asm/pgtable.h>
+
+static struct fs_struct init_fs = INIT_FS;
+static struct files_struct init_files = INIT_FILES;
+static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
+static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
+struct mm_struct init_mm = INIT_MM(init_mm);
+
+EXPORT_SYMBOL(init_mm);
+
+/*
+ * Initial thread structure. Must be aligned on an 8192-byte boundary.
+ */
+union thread_union init_thread_union
+	__attribute__((__section__(".data.init_task"))) =
+		{ INIT_THREAD_INFO(init_task) };
+
+/*
+ * Initial task structure.
+ *
+ * All other task structs will be allocated on slabs in fork.c
+ */
+struct task_struct init_task = INIT_TASK(init_task);
+
+EXPORT_SYMBOL(init_task);
diff --git a/arch/avr32/kernel/irq.c b/arch/avr32/kernel/irq.c
new file mode 100644
index 000000000000..856f3548e664
--- /dev/null
+++ b/arch/avr32/kernel/irq.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * Based on arch/i386/kernel/irq.c
+ *   Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This file contains the code used by various IRQ handling routines:
+ * asking for different IRQ's should be done through these routines
+ * instead of just grabbing them. Thus setups with different IRQ numbers
+ * shouldn't result in any weird surprises, and installing new handlers
+ * should be easier.
+ *
+ * IRQ's are in fact implemented a bit like signal handlers for the kernel.
+ * Naturally it's not a 1:1 relation, but there are similarities.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/kernel_stat.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/sysdev.h>
+
+/*
+ * 'what should we do if we get a hw irq event on an illegal vector'.
+ * each architecture has to answer this themselves.
+ */
+void ack_bad_irq(unsigned int irq)
+{
+	printk("unexpected IRQ %u\n", irq);
+}
+
+#ifdef CONFIG_PROC_FS
+int show_interrupts(struct seq_file *p, void *v)
+{
+	int i = *(loff_t *)v, cpu;
+	struct irqaction *action;
+	unsigned long flags;
+
+	if (i == 0) {
+		seq_puts(p, "           ");
+		for_each_online_cpu(cpu)
+			seq_printf(p, "CPU%d       ", cpu);
+		seq_putc(p, '\n');
+	}
+
+	if (i < NR_IRQS) {
+		spin_lock_irqsave(&irq_desc[i].lock, flags);
+		action = irq_desc[i].action;
+		if (!action)
+			goto unlock;
+
+		seq_printf(p, "%3d: ", i);
+		for_each_online_cpu(cpu)
+			seq_printf(p, "%10u ", kstat_cpu(cpu).irqs[i]);
+		seq_printf(p, "  %s", action->name);
+		for (action = action->next; action; action = action->next)
+			seq_printf(p, ", %s", action->name);
+
+		seq_putc(p, '\n');
+	unlock:
+		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+	}
+
+	return 0;
+}
+#endif
diff --git a/arch/avr32/kernel/kprobes.c b/arch/avr32/kernel/kprobes.c
new file mode 100644
index 000000000000..6caf9e8d8080
--- /dev/null
+++ b/arch/avr32/kernel/kprobes.c
@@ -0,0 +1,270 @@
+/*
+ *  Kernel Probes (KProbes)
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * Based on arch/ppc64/kernel/kprobes.c
+ *  Copyright (C) IBM Corporation, 2002, 2004
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kprobes.h>
+#include <linux/ptrace.h>
+
+#include <asm/cacheflush.h>
+#include <asm/kdebug.h>
+#include <asm/ocd.h>
+
+DEFINE_PER_CPU(struct kprobe *, current_kprobe);
+static unsigned long kprobe_status;
+static struct pt_regs jprobe_saved_regs;
+
+int __kprobes arch_prepare_kprobe(struct kprobe *p)
+{
+	int ret = 0;
+
+	if ((unsigned long)p->addr & 0x01) {
+		printk("Attempt to register kprobe at an unaligned address\n");
+		ret = -EINVAL;
+	}
+
+	/* XXX: Might be a good idea to check if p->addr is a valid
+	 * kernel address as well... */
+
+	if (!ret) {
+		pr_debug("copy kprobe at %p\n", p->addr);
+		memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t));
+		p->opcode = *p->addr;
+	}
+
+	return ret;
+}
+
+void __kprobes arch_arm_kprobe(struct kprobe *p)
+{
+	pr_debug("arming kprobe at %p\n", p->addr);
+	*p->addr = BREAKPOINT_INSTRUCTION;
+	flush_icache_range((unsigned long)p->addr,
+			   (unsigned long)p->addr + sizeof(kprobe_opcode_t));
+}
+
+void __kprobes arch_disarm_kprobe(struct kprobe *p)
+{
+	pr_debug("disarming kprobe at %p\n", p->addr);
+	*p->addr = p->opcode;
+	flush_icache_range((unsigned long)p->addr,
+			   (unsigned long)p->addr + sizeof(kprobe_opcode_t));
+}
+
+static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
+{
+	unsigned long dc;
+
+	pr_debug("preparing to singlestep over %p (PC=%08lx)\n",
+		 p->addr, regs->pc);
+
+	BUG_ON(!(sysreg_read(SR) & SYSREG_BIT(SR_D)));
+
+	dc = __mfdr(DBGREG_DC);
+	dc |= DC_SS;
+	__mtdr(DBGREG_DC, dc);
+
+	/*
+	 * We must run the instruction from its original location
+	 * since it may actually reference PC.
+	 *
+	 * TODO: Do the instruction replacement directly in icache.
+	 */
+	*p->addr = p->opcode;
+	flush_icache_range((unsigned long)p->addr,
+			   (unsigned long)p->addr + sizeof(kprobe_opcode_t));
+}
+
+static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs)
+{
+	unsigned long dc;
+
+	pr_debug("resuming execution at PC=%08lx\n", regs->pc);
+
+	dc = __mfdr(DBGREG_DC);
+	dc &= ~DC_SS;
+	__mtdr(DBGREG_DC, dc);
+
+	*p->addr = BREAKPOINT_INSTRUCTION;
+	flush_icache_range((unsigned long)p->addr,
+			   (unsigned long)p->addr + sizeof(kprobe_opcode_t));
+}
+
+static void __kprobes set_current_kprobe(struct kprobe *p)
+{
+	__get_cpu_var(current_kprobe) = p;
+}
+
+static int __kprobes kprobe_handler(struct pt_regs *regs)
+{
+	struct kprobe *p;
+	void *addr = (void *)regs->pc;
+	int ret = 0;
+
+	pr_debug("kprobe_handler: kprobe_running=%d\n",
+		 kprobe_running());
+
+	/*
+	 * We don't want to be preempted for the entire
+	 * duration of kprobe processing
+	 */
+	preempt_disable();
+
+	/* Check that we're not recursing */
+	if (kprobe_running()) {
+		p = get_kprobe(addr);
+		if (p) {
+			if (kprobe_status == KPROBE_HIT_SS) {
+				printk("FIXME: kprobe hit while single-stepping!\n");
+				goto no_kprobe;
+			}
+
+			printk("FIXME: kprobe hit while handling another kprobe\n");
+			goto no_kprobe;
+		} else {
+			p = kprobe_running();
+			if (p->break_handler && p->break_handler(p, regs))
+				goto ss_probe;
+		}
+		/* If it's not ours, can't be delete race, (we hold lock). */
+		goto no_kprobe;
+	}
+
+	p = get_kprobe(addr);
+	if (!p)
+		goto no_kprobe;
+
+	kprobe_status = KPROBE_HIT_ACTIVE;
+	set_current_kprobe(p);
+	if (p->pre_handler && p->pre_handler(p, regs))
+		/* handler has already set things up, so skip ss setup */
+		return 1;
+
+ss_probe:
+	prepare_singlestep(p, regs);
+	kprobe_status = KPROBE_HIT_SS;
+	return 1;
+
+no_kprobe:
+	return ret;
+}
+
+static int __kprobes post_kprobe_handler(struct pt_regs *regs)
+{
+	struct kprobe *cur = kprobe_running();
+
+	pr_debug("post_kprobe_handler, cur=%p\n", cur);
+
+	if (!cur)
+		return 0;
+
+	if (cur->post_handler) {
+		kprobe_status = KPROBE_HIT_SSDONE;
+		cur->post_handler(cur, regs, 0);
+	}
+
+	resume_execution(cur, regs);
+	reset_current_kprobe();
+	preempt_enable_no_resched();
+
+	return 1;
+}
+
+static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
+{
+	struct kprobe *cur = kprobe_running();
+
+	pr_debug("kprobe_fault_handler: trapnr=%d\n", trapnr);
+
+	if (cur->fault_handler && cur->fault_handler(cur, regs, trapnr))
+		return 1;
+
+	if (kprobe_status & KPROBE_HIT_SS) {
+		resume_execution(cur, regs);
+		preempt_enable_no_resched();
+	}
+	return 0;
+}
+
+/*
+ * Wrapper routine to for handling exceptions.
+ */
+int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
+				       unsigned long val, void *data)
+{
+	struct die_args *args = (struct die_args *)data;
+	int ret = NOTIFY_DONE;
+
+	pr_debug("kprobe_exceptions_notify: val=%lu, data=%p\n",
+		 val, data);
+
+	switch (val) {
+	case DIE_BREAKPOINT:
+		if (kprobe_handler(args->regs))
+			ret = NOTIFY_STOP;
+		break;
+	case DIE_SSTEP:
+		if (post_kprobe_handler(args->regs))
+			ret = NOTIFY_STOP;
+		break;
+	case DIE_FAULT:
+		if (kprobe_running()
+		    && kprobe_fault_handler(args->regs, args->trapnr))
+			ret = NOTIFY_STOP;
+		break;
+	default:
+		break;
+	}
+
+	return ret;
+}
+
+int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
+{
+	struct jprobe *jp = container_of(p, struct jprobe, kp);
+
+	memcpy(&jprobe_saved_regs, regs, sizeof(struct pt_regs));
+
+	/*
+	 * TODO: We should probably save some of the stack here as
+	 * well, since gcc may pass arguments on the stack for certain
+	 * functions (lots of arguments, large aggregates, varargs)
+	 */
+
+	/* setup return addr to the jprobe handler routine */
+	regs->pc = (unsigned long)jp->entry;
+	return 1;
+}
+
+void __kprobes jprobe_return(void)
+{
+	asm volatile("breakpoint" ::: "memory");
+}
+
+int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
+{
+	/*
+	 * FIXME - we should ideally be validating that we got here 'cos
+	 * of the "trap" in jprobe_return() above, before restoring the
+	 * saved regs...
+	 */
+	memcpy(regs, &jprobe_saved_regs, sizeof(struct pt_regs));
+	return 1;
+}
+
+int __init arch_init_kprobes(void)
+{
+	printk("KPROBES: Enabling monitor mode (MM|DBE)...\n");
+	__mtdr(DBGREG_DC, DC_MM | DC_DBE);
+
+	/* TODO: Register kretprobe trampoline */
+	return 0;
+}
diff --git a/arch/avr32/kernel/module.c b/arch/avr32/kernel/module.c
new file mode 100644
index 000000000000..dfc32f2817b6
--- /dev/null
+++ b/arch/avr32/kernel/module.c
@@ -0,0 +1,324 @@
+/*
+ * AVR32-specific kernel module loader
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * GOT initialization parts are based on the s390 version
+ *   Copyright (C) 2002, 2003 IBM Deutschland Entwicklung GmbH,
+ *                            IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/moduleloader.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/elf.h>
+#include <linux/vmalloc.h>
+
+void *module_alloc(unsigned long size)
+{
+	if (size == 0)
+		return NULL;
+	return vmalloc(size);
+}
+
+void module_free(struct module *mod, void *module_region)
+{
+	vfree(mod->arch.syminfo);
+	mod->arch.syminfo = NULL;
+
+	vfree(module_region);
+	/* FIXME: if module_region == mod->init_region, trim exception
+	 * table entries. */
+}
+
+static inline int check_rela(Elf32_Rela *rela, struct module *module,
+			     char *strings, Elf32_Sym *symbols)
+{
+	struct mod_arch_syminfo *info;
+
+	info = module->arch.syminfo + ELF32_R_SYM(rela->r_info);
+	switch (ELF32_R_TYPE(rela->r_info)) {
+	case R_AVR32_GOT32:
+	case R_AVR32_GOT16:
+	case R_AVR32_GOT8:
+	case R_AVR32_GOT21S:
+	case R_AVR32_GOT18SW:	/* mcall */
+	case R_AVR32_GOT16S:	/* ld.w */
+		if (rela->r_addend != 0) {
+			printk(KERN_ERR
+			       "GOT relocation against %s at offset %u with addend\n",
+			       strings + symbols[ELF32_R_SYM(rela->r_info)].st_name,
+			       rela->r_offset);
+			return -ENOEXEC;
+		}
+		if (info->got_offset == -1UL) {
+			info->got_offset = module->arch.got_size;
+			module->arch.got_size += sizeof(void *);
+		}
+		pr_debug("GOT[%3lu] %s\n", info->got_offset,
+			 strings + symbols[ELF32_R_SYM(rela->r_info)].st_name);
+		break;
+	}
+
+	return 0;
+}
+
+int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
+			      char *secstrings, struct module *module)
+{
+	Elf32_Shdr *symtab;
+	Elf32_Sym *symbols;
+	Elf32_Rela *rela;
+	char *strings;
+	int nrela, i, j;
+	int ret;
+
+	/* Find the symbol table */
+	symtab = NULL;
+	for (i = 0; i < hdr->e_shnum; i++)
+		switch (sechdrs[i].sh_type) {
+		case SHT_SYMTAB:
+			symtab = &sechdrs[i];
+			break;
+		}
+	if (!symtab) {
+		printk(KERN_ERR "module %s: no symbol table\n", module->name);
+		return -ENOEXEC;
+	}
+
+	/* Allocate room for one syminfo structure per symbol. */
+	module->arch.nsyms = symtab->sh_size / sizeof(Elf_Sym);
+	module->arch.syminfo = vmalloc(module->arch.nsyms
+				   * sizeof(struct mod_arch_syminfo));
+	if (!module->arch.syminfo)
+		return -ENOMEM;
+
+	symbols = (void *)hdr + symtab->sh_offset;
+	strings = (void *)hdr + sechdrs[symtab->sh_link].sh_offset;
+	for (i = 0; i < module->arch.nsyms; i++) {
+		if (symbols[i].st_shndx == SHN_UNDEF &&
+		    strcmp(strings + symbols[i].st_name,
+			   "_GLOBAL_OFFSET_TABLE_") == 0)
+			/* "Define" it as absolute. */
+			symbols[i].st_shndx = SHN_ABS;
+		module->arch.syminfo[i].got_offset = -1UL;
+		module->arch.syminfo[i].got_initialized = 0;
+	}
+
+	/* Allocate GOT entries for symbols that need it. */
+	module->arch.got_size = 0;
+	for (i = 0; i < hdr->e_shnum; i++) {
+		if (sechdrs[i].sh_type != SHT_RELA)
+			continue;
+		nrela = sechdrs[i].sh_size / sizeof(Elf32_Rela);
+		rela = (void *)hdr + sechdrs[i].sh_offset;
+		for (j = 0; j < nrela; j++) {
+			ret = check_rela(rela + j, module,
+					 strings, symbols);
+			if (ret)
+				goto out_free_syminfo;
+		}
+	}
+
+	/*
+	 * Increase core size to make room for GOT and set start
+	 * offset for GOT.
+	 */
+	module->core_size = ALIGN(module->core_size, 4);
+	module->arch.got_offset = module->core_size;
+	module->core_size += module->arch.got_size;
+
+	return 0;
+
+out_free_syminfo:
+	vfree(module->arch.syminfo);
+	module->arch.syminfo = NULL;
+
+	return ret;
+}
+
+static inline int reloc_overflow(struct module *module, const char *reloc_name,
+				 Elf32_Addr relocation)
+{
+	printk(KERN_ERR "module %s: Value %lx does not fit relocation %s\n",
+	       module->name, (unsigned long)relocation, reloc_name);
+	return -ENOEXEC;
+}
+
+#define get_u16(loc)		(*((uint16_t *)loc))
+#define put_u16(loc, val)	(*((uint16_t *)loc) = (val))
+
+int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
+		       unsigned int symindex, unsigned int relindex,
+		       struct module *module)
+{
+	Elf32_Shdr *symsec = sechdrs + symindex;
+	Elf32_Shdr *relsec = sechdrs + relindex;
+	Elf32_Shdr *dstsec = sechdrs + relsec->sh_info;
+	Elf32_Rela *rel = (void *)relsec->sh_addr;
+	unsigned int i;
+	int ret = 0;
+
+	for (i = 0; i < relsec->sh_size / sizeof(Elf32_Rela); i++, rel++) {
+		struct mod_arch_syminfo *info;
+		Elf32_Sym *sym;
+		Elf32_Addr relocation;
+		uint32_t *location;
+		uint32_t value;
+
+		location = (void *)dstsec->sh_addr + rel->r_offset;
+		sym = (Elf32_Sym *)symsec->sh_addr + ELF32_R_SYM(rel->r_info);
+		relocation = sym->st_value + rel->r_addend;
+
+		info = module->arch.syminfo + ELF32_R_SYM(rel->r_info);
+
+		/* Initialize GOT entry if necessary */
+		switch (ELF32_R_TYPE(rel->r_info)) {
+		case R_AVR32_GOT32:
+		case R_AVR32_GOT16:
+		case R_AVR32_GOT8:
+		case R_AVR32_GOT21S:
+		case R_AVR32_GOT18SW:
+		case R_AVR32_GOT16S:
+			if (!info->got_initialized) {
+				Elf32_Addr *gotent;
+
+				gotent = (module->module_core
+					  + module->arch.got_offset
+					  + info->got_offset);
+				*gotent = relocation;
+				info->got_initialized = 1;
+			}
+
+			relocation = info->got_offset;
+			break;
+		}
+
+		switch (ELF32_R_TYPE(rel->r_info)) {
+		case R_AVR32_32:
+		case R_AVR32_32_CPENT:
+			*location = relocation;
+			break;
+		case R_AVR32_22H_PCREL:
+			relocation -= (Elf32_Addr)location;
+			if ((relocation & 0xffe00001) != 0
+			    && (relocation & 0xffc00001) != 0xffc00000)
+				return reloc_overflow(module,
+						      "R_AVR32_22H_PCREL",
+						      relocation);
+			relocation >>= 1;
+
+			value = *location;
+			value = ((value & 0xe1ef0000)
+				 | (relocation & 0xffff)
+				 | ((relocation & 0x10000) << 4)
+				 | ((relocation & 0x1e0000) << 8));
+			*location = value;
+			break;
+		case R_AVR32_11H_PCREL:
+			relocation -= (Elf32_Addr)location;
+			if ((relocation & 0xfffffc01) != 0
+			    && (relocation & 0xfffff801) != 0xfffff800)
+				return reloc_overflow(module,
+						      "R_AVR32_11H_PCREL",
+						      relocation);
+			value = get_u16(location);
+			value = ((value & 0xf00c)
+				 | ((relocation & 0x1fe) << 3)
+				 | ((relocation & 0x600) >> 9));
+			put_u16(location, value);
+			break;
+		case R_AVR32_9H_PCREL:
+			relocation -= (Elf32_Addr)location;
+			if ((relocation & 0xffffff01) != 0
+			    && (relocation & 0xfffffe01) != 0xfffffe00)
+				return reloc_overflow(module,
+						      "R_AVR32_9H_PCREL",
+						      relocation);
+			value = get_u16(location);
+			value = ((value & 0xf00f)
+				 | ((relocation & 0x1fe) << 3));
+			put_u16(location, value);
+			break;
+		case R_AVR32_9UW_PCREL:
+			relocation -= ((Elf32_Addr)location) & 0xfffffffc;
+			if ((relocation & 0xfffffc03) != 0)
+				return reloc_overflow(module,
+						      "R_AVR32_9UW_PCREL",
+						      relocation);
+			value = get_u16(location);
+			value = ((value & 0xf80f)
+				 | ((relocation & 0x1fc) << 2));
+			put_u16(location, value);
+			break;
+		case R_AVR32_GOTPC:
+			/*
+			 * R6 = PC - (PC - GOT)
+			 *
+			 * At this point, relocation contains the
+			 * value of PC.  Just subtract the value of
+			 * GOT, and we're done.
+			 */
+			pr_debug("GOTPC: PC=0x%lx, got_offset=0x%lx, core=0x%p\n",
+				 relocation, module->arch.got_offset,
+				 module->module_core);
+			relocation -= ((unsigned long)module->module_core
+				       + module->arch.got_offset);
+			*location = relocation;
+			break;
+		case R_AVR32_GOT18SW:
+			if ((relocation & 0xfffe0003) != 0
+			    && (relocation & 0xfffc0003) != 0xffff0000)
+				return reloc_overflow(module, "R_AVR32_GOT18SW",
+						     relocation);
+			relocation >>= 2;
+			/* fall through */
+		case R_AVR32_GOT16S:
+			if ((relocation & 0xffff8000) != 0
+			    && (relocation & 0xffff0000) != 0xffff0000)
+				return reloc_overflow(module, "R_AVR32_GOT16S",
+						      relocation);
+			pr_debug("GOT reloc @ 0x%lx -> %lu\n",
+				 rel->r_offset, relocation);
+			value = *location;
+			value = ((value & 0xffff0000)
+				 | (relocation & 0xffff));
+			*location = value;
+			break;
+
+		default:
+			printk(KERN_ERR "module %s: Unknown relocation: %u\n",
+			       module->name, ELF32_R_TYPE(rel->r_info));
+			return -ENOEXEC;
+		}
+	}
+
+	return ret;
+}
+
+int apply_relocate(Elf32_Shdr *sechdrs, const char *strtab,
+		   unsigned int symindex, unsigned int relindex,
+		   struct module *module)
+{
+	printk(KERN_ERR "module %s: REL relocations are not supported\n",
+		module->name);
+	return -ENOEXEC;
+}
+
+int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
+		    struct module *module)
+{
+	vfree(module->arch.syminfo);
+	module->arch.syminfo = NULL;
+
+	return 0;
+}
+
+void module_arch_cleanup(struct module *module)
+{
+
+}
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
new file mode 100644
index 000000000000..317dc50945f2
--- /dev/null
+++ b/arch/avr32/kernel/process.c
@@ -0,0 +1,276 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/sched.h>
+#include <linux/module.h>
+#include <linux/kallsyms.h>
+#include <linux/fs.h>
+#include <linux/ptrace.h>
+#include <linux/reboot.h>
+#include <linux/unistd.h>
+
+#include <asm/sysreg.h>
+#include <asm/ocd.h>
+
+void (*pm_power_off)(void) = NULL;
+EXPORT_SYMBOL(pm_power_off);
+
+/*
+ * This file handles the architecture-dependent parts of process handling..
+ */
+
+void cpu_idle(void)
+{
+	/* endless idle loop with no priority at all */
+	while (1) {
+		/* TODO: Enter sleep mode */
+		while (!need_resched())
+			cpu_relax();
+		preempt_enable_no_resched();
+		schedule();
+		preempt_disable();
+	}
+}
+
+void machine_halt(void)
+{
+}
+
+void machine_power_off(void)
+{
+}
+
+void machine_restart(char *cmd)
+{
+	__mtdr(DBGREG_DC, DC_DBE);
+	__mtdr(DBGREG_DC, DC_RES);
+	while (1) ;
+}
+
+/*
+ * PC is actually discarded when returning from a system call -- the
+ * return address must be stored in LR. This function will make sure
+ * LR points to do_exit before starting the thread.
+ *
+ * Also, when returning from fork(), r12 is 0, so we must copy the
+ * argument as well.
+ *
+ *  r0 : The argument to the main thread function
+ *  r1 : The address of do_exit
+ *  r2 : The address of the main thread function
+ */
+asmlinkage extern void kernel_thread_helper(void);
+__asm__("	.type	kernel_thread_helper, @function\n"
+	"kernel_thread_helper:\n"
+	"	mov	r12, r0\n"
+	"	mov	lr, r2\n"
+	"	mov	pc, r1\n"
+	"	.size	kernel_thread_helper, . - kernel_thread_helper");
+
+int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
+{
+	struct pt_regs regs;
+
+	memset(&regs, 0, sizeof(regs));
+
+	regs.r0 = (unsigned long)arg;
+	regs.r1 = (unsigned long)fn;
+	regs.r2 = (unsigned long)do_exit;
+	regs.lr = (unsigned long)kernel_thread_helper;
+	regs.pc = (unsigned long)kernel_thread_helper;
+	regs.sr = MODE_SUPERVISOR;
+
+	return do_fork(flags | CLONE_VM | CLONE_UNTRACED,
+		       0, &regs, 0, NULL, NULL);
+}
+EXPORT_SYMBOL(kernel_thread);
+
+/*
+ * Free current thread data structures etc
+ */
+void exit_thread(void)
+{
+	/* nothing to do */
+}
+
+void flush_thread(void)
+{
+	/* nothing to do */
+}
+
+void release_thread(struct task_struct *dead_task)
+{
+	/* do nothing */
+}
+
+static const char *cpu_modes[] = {
+	"Application", "Supervisor", "Interrupt level 0", "Interrupt level 1",
+	"Interrupt level 2", "Interrupt level 3", "Exception", "NMI"
+};
+
+void show_regs(struct pt_regs *regs)
+{
+	unsigned long sp = regs->sp;
+	unsigned long lr = regs->lr;
+	unsigned long mode = (regs->sr & MODE_MASK) >> MODE_SHIFT;
+
+	if (!user_mode(regs))
+		sp = (unsigned long)regs + FRAME_SIZE_FULL;
+
+	print_symbol("PC is at %s\n", instruction_pointer(regs));
+	print_symbol("LR is at %s\n", lr);
+	printk("pc : [<%08lx>]    lr : [<%08lx>]    %s\n"
+	       "sp : %08lx  r12: %08lx  r11: %08lx\n",
+	       instruction_pointer(regs),
+	       lr, print_tainted(), sp, regs->r12, regs->r11);
+	printk("r10: %08lx  r9 : %08lx  r8 : %08lx\n",
+	       regs->r10, regs->r9, regs->r8);
+	printk("r7 : %08lx  r6 : %08lx  r5 : %08lx  r4 : %08lx\n",
+	       regs->r7, regs->r6, regs->r5, regs->r4);
+	printk("r3 : %08lx  r2 : %08lx  r1 : %08lx  r0 : %08lx\n",
+	       regs->r3, regs->r2, regs->r1, regs->r0);
+	printk("Flags: %c%c%c%c%c\n",
+	       regs->sr & SR_Q ? 'Q' : 'q',
+	       regs->sr & SR_V ? 'V' : 'v',
+	       regs->sr & SR_N ? 'N' : 'n',
+	       regs->sr & SR_Z ? 'Z' : 'z',
+	       regs->sr & SR_C ? 'C' : 'c');
+	printk("Mode bits: %c%c%c%c%c%c%c%c%c\n",
+	       regs->sr & SR_H ? 'H' : 'h',
+	       regs->sr & SR_R ? 'R' : 'r',
+	       regs->sr & SR_J ? 'J' : 'j',
+	       regs->sr & SR_EM ? 'E' : 'e',
+	       regs->sr & SR_I3M ? '3' : '.',
+	       regs->sr & SR_I2M ? '2' : '.',
+	       regs->sr & SR_I1M ? '1' : '.',
+	       regs->sr & SR_I0M ? '0' : '.',
+	       regs->sr & SR_GM ? 'G' : 'g');
+	printk("CPU Mode: %s\n", cpu_modes[mode]);
+
+	show_trace(NULL, (unsigned long *)sp, regs);
+}
+EXPORT_SYMBOL(show_regs);
+
+/* Fill in the fpu structure for a core dump. This is easy -- we don't have any */
+int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu)
+{
+	/* Not valid */
+	return 0;
+}
+
+asmlinkage void ret_from_fork(void);
+
+int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
+		unsigned long unused,
+		struct task_struct *p, struct pt_regs *regs)
+{
+	struct pt_regs *childregs;
+
+	childregs = ((struct pt_regs *)(THREAD_SIZE + (unsigned long)p->thread_info)) - 1;
+	*childregs = *regs;
+
+	if (user_mode(regs))
+		childregs->sp = usp;
+	else
+		childregs->sp = (unsigned long)p->thread_info + THREAD_SIZE;
+
+	childregs->r12 = 0; /* Set return value for child */
+
+	p->thread.cpu_context.sr = MODE_SUPERVISOR | SR_GM;
+	p->thread.cpu_context.ksp = (unsigned long)childregs;
+	p->thread.cpu_context.pc = (unsigned long)ret_from_fork;
+
+	return 0;
+}
+
+/* r12-r8 are dummy parameters to force the compiler to use the stack */
+asmlinkage int sys_fork(struct pt_regs *regs)
+{
+	return do_fork(SIGCHLD, regs->sp, regs, 0, NULL, NULL);
+}
+
+asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
+			 unsigned long parent_tidptr,
+			 unsigned long child_tidptr, struct pt_regs *regs)
+{
+	if (!newsp)
+		newsp = regs->sp;
+	return do_fork(clone_flags, newsp, regs, 0,
+		       (int __user *)parent_tidptr,
+		       (int __user *)child_tidptr);
+}
+
+asmlinkage int sys_vfork(struct pt_regs *regs)
+{
+	return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->sp, regs,
+		       0, NULL, NULL);
+}
+
+asmlinkage int sys_execve(char __user *ufilename, char __user *__user *uargv,
+			  char __user *__user *uenvp, struct pt_regs *regs)
+{
+	int error;
+	char *filename;
+
+	filename = getname(ufilename);
+	error = PTR_ERR(filename);
+	if (IS_ERR(filename))
+		goto out;
+
+	error = do_execve(filename, uargv, uenvp, regs);
+	if (error == 0)
+		current->ptrace &= ~PT_DTRACE;
+	putname(filename);
+
+out:
+	return error;
+}
+
+
+/*
+ * This function is supposed to answer the question "who called
+ * schedule()?"
+ */
+unsigned long get_wchan(struct task_struct *p)
+{
+	unsigned long pc;
+	unsigned long stack_page;
+
+	if (!p || p == current || p->state == TASK_RUNNING)
+		return 0;
+
+	stack_page = (unsigned long)p->thread_info;
+	BUG_ON(!stack_page);
+
+	/*
+	 * The stored value of PC is either the address right after
+	 * the call to __switch_to() or ret_from_fork.
+	 */
+	pc = thread_saved_pc(p);
+	if (in_sched_functions(pc)) {
+#ifdef CONFIG_FRAME_POINTER
+		unsigned long fp = p->thread.cpu_context.r7;
+		BUG_ON(fp < stack_page || fp > (THREAD_SIZE + stack_page));
+		pc = *(unsigned long *)fp;
+#else
+		/*
+		 * We depend on the frame size of schedule here, which
+		 * is actually quite ugly. It might be possible to
+		 * determine the frame size automatically at build
+		 * time by doing this:
+		 *   - compile sched.c
+		 *   - disassemble the resulting sched.o
+		 *   - look for 'sub sp,??' shortly after '<schedule>:'
+		 */
+		unsigned long sp = p->thread.cpu_context.ksp + 16;
+		BUG_ON(sp < stack_page || sp > (THREAD_SIZE + stack_page));
+		pc = *(unsigned long *)sp;
+#endif
+	}
+
+	return pc;
+}
diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c
new file mode 100644
index 000000000000..3c89e59029ab
--- /dev/null
+++ b/arch/avr32/kernel/ptrace.c
@@ -0,0 +1,371 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#undef DEBUG
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/smp_lock.h>
+#include <linux/ptrace.h>
+#include <linux/errno.h>
+#include <linux/user.h>
+#include <linux/security.h>
+#include <linux/unistd.h>
+#include <linux/notifier.h>
+
+#include <asm/traps.h>
+#include <asm/uaccess.h>
+#include <asm/ocd.h>
+#include <asm/mmu_context.h>
+#include <asm/kdebug.h>
+
+static struct pt_regs *get_user_regs(struct task_struct *tsk)
+{
+	return (struct pt_regs *)((unsigned long) tsk->thread_info +
+				  THREAD_SIZE - sizeof(struct pt_regs));
+}
+
+static void ptrace_single_step(struct task_struct *tsk)
+{
+	pr_debug("ptrace_single_step: pid=%u, SR=0x%08lx\n",
+		 tsk->pid, tsk->thread.cpu_context.sr);
+	if (!(tsk->thread.cpu_context.sr & SR_D)) {
+		/*
+		 * Set a breakpoint at the current pc to force the
+		 * process into debug mode.  The syscall/exception
+		 * exit code will set a breakpoint at the return
+		 * address when this flag is set.
+		 */
+		pr_debug("ptrace_single_step: Setting TIF_BREAKPOINT\n");
+		set_tsk_thread_flag(tsk, TIF_BREAKPOINT);
+	}
+
+	/* The monitor code will do the actual step for us */
+	set_tsk_thread_flag(tsk, TIF_SINGLE_STEP);
+}
+
+/*
+ * Called by kernel/ptrace.c when detaching
+ *
+ * Make sure any single step bits, etc. are not set
+ */
+void ptrace_disable(struct task_struct *child)
+{
+	clear_tsk_thread_flag(child, TIF_SINGLE_STEP);
+}
+
+/*
+ * Handle hitting a breakpoint
+ */
+static void ptrace_break(struct task_struct *tsk, struct pt_regs *regs)
+{
+	siginfo_t info;
+
+	info.si_signo = SIGTRAP;
+	info.si_errno = 0;
+	info.si_code  = TRAP_BRKPT;
+	info.si_addr  = (void __user *)instruction_pointer(regs);
+
+	pr_debug("ptrace_break: Sending SIGTRAP to PID %u (pc = 0x%p)\n",
+		 tsk->pid, info.si_addr);
+	force_sig_info(SIGTRAP, &info, tsk);
+}
+
+/*
+ * Read the word at offset "offset" into the task's "struct user". We
+ * actually access the pt_regs struct stored on the kernel stack.
+ */
+static int ptrace_read_user(struct task_struct *tsk, unsigned long offset,
+			    unsigned long __user *data)
+{
+	unsigned long *regs;
+	unsigned long value;
+
+	pr_debug("ptrace_read_user(%p, %#lx, %p)\n",
+		 tsk, offset, data);
+
+	if (offset & 3 || offset >= sizeof(struct user)) {
+		printk("ptrace_read_user: invalid offset 0x%08lx\n", offset);
+		return -EIO;
+	}
+
+	regs = (unsigned long *)get_user_regs(tsk);
+
+	value = 0;
+	if (offset < sizeof(struct pt_regs))
+		value = regs[offset / sizeof(regs[0])];
+
+	return put_user(value, data);
+}
+
+/*
+ * Write the word "value" to offset "offset" into the task's "struct
+ * user". We actually access the pt_regs struct stored on the kernel
+ * stack.
+ */
+static int ptrace_write_user(struct task_struct *tsk, unsigned long offset,
+			     unsigned long value)
+{
+	unsigned long *regs;
+
+	if (offset & 3 || offset >= sizeof(struct user)) {
+		printk("ptrace_write_user: invalid offset 0x%08lx\n", offset);
+		return -EIO;
+	}
+
+	if (offset >= sizeof(struct pt_regs))
+		return 0;
+
+	regs = (unsigned long *)get_user_regs(tsk);
+	regs[offset / sizeof(regs[0])] = value;
+
+	return 0;
+}
+
+static int ptrace_getregs(struct task_struct *tsk, void __user *uregs)
+{
+	struct pt_regs *regs = get_user_regs(tsk);
+
+	return copy_to_user(uregs, regs, sizeof(*regs)) ? -EFAULT : 0;
+}
+
+static int ptrace_setregs(struct task_struct *tsk, const void __user *uregs)
+{
+	struct pt_regs newregs;
+	int ret;
+
+	ret = -EFAULT;
+	if (copy_from_user(&newregs, uregs, sizeof(newregs)) == 0) {
+		struct pt_regs *regs = get_user_regs(tsk);
+
+		ret = -EINVAL;
+		if (valid_user_regs(&newregs)) {
+			*regs = newregs;
+			ret = 0;
+		}
+	}
+
+	return ret;
+}
+
+long arch_ptrace(struct task_struct *child, long request, long addr, long data)
+{
+	unsigned long tmp;
+	int ret;
+
+	pr_debug("arch_ptrace(%ld, %ld, %#lx, %#lx)\n",
+		 request, child->pid, addr, data);
+
+	pr_debug("ptrace: Enabling monitor mode...\n");
+	__mtdr(DBGREG_DC, __mfdr(DBGREG_DC) | DC_MM | DC_DBE);
+
+	switch (request) {
+	/* Read the word at location addr in the child process */
+	case PTRACE_PEEKTEXT:
+	case PTRACE_PEEKDATA:
+		ret = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
+		if (ret == sizeof(tmp))
+			ret = put_user(tmp, (unsigned long __user *)data);
+		else
+			ret = -EIO;
+		break;
+
+	case PTRACE_PEEKUSR:
+		ret = ptrace_read_user(child, addr,
+				       (unsigned long __user *)data);
+		break;
+
+	/* Write the word in data at location addr */
+	case PTRACE_POKETEXT:
+	case PTRACE_POKEDATA:
+		ret = access_process_vm(child, addr, &data, sizeof(data), 1);
+		if (ret == sizeof(data))
+			ret = 0;
+		else
+			ret = -EIO;
+		break;
+
+	case PTRACE_POKEUSR:
+		ret = ptrace_write_user(child, addr, data);
+		break;
+
+	/* continue and stop at next (return from) syscall */
+	case PTRACE_SYSCALL:
+	/* restart after signal */
+	case PTRACE_CONT:
+		ret = -EIO;
+		if (!valid_signal(data))
+			break;
+		if (request == PTRACE_SYSCALL)
+			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+		else
+			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+		child->exit_code = data;
+		/* XXX: Are we sure no breakpoints are active here? */
+		wake_up_process(child);
+		ret = 0;
+		break;
+
+	/*
+	 * Make the child exit. Best I can do is send it a
+	 * SIGKILL. Perhaps it should be put in the status that it
+	 * wants to exit.
+	 */
+	case PTRACE_KILL:
+		ret = 0;
+		if (child->exit_state == EXIT_ZOMBIE)
+			break;
+		child->exit_code = SIGKILL;
+		wake_up_process(child);
+		break;
+
+	/*
+	 * execute single instruction.
+	 */
+	case PTRACE_SINGLESTEP:
+		ret = -EIO;
+		if (!valid_signal(data))
+			break;
+		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+		ptrace_single_step(child);
+		child->exit_code = data;
+		wake_up_process(child);
+		ret = 0;
+		break;
+
+	/* Detach a process that was attached */
+	case PTRACE_DETACH:
+		ret = ptrace_detach(child, data);
+		break;
+
+	case PTRACE_GETREGS:
+		ret = ptrace_getregs(child, (void __user *)data);
+		break;
+
+	case PTRACE_SETREGS:
+		ret = ptrace_setregs(child, (const void __user *)data);
+		break;
+
+	default:
+		ret = ptrace_request(child, request, addr, data);
+		break;
+	}
+
+	pr_debug("sys_ptrace returning %d (DC = 0x%08lx)\n", ret, __mfdr(DBGREG_DC));
+	return ret;
+}
+
+asmlinkage void syscall_trace(void)
+{
+	pr_debug("syscall_trace called\n");
+	if (!test_thread_flag(TIF_SYSCALL_TRACE))
+		return;
+	if (!(current->ptrace & PT_PTRACED))
+		return;
+
+	pr_debug("syscall_trace: notifying parent\n");
+	/* The 0x80 provides a way for the tracing parent to
+	 * distinguish between a syscall stop and SIGTRAP delivery */
+	ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
+				 ? 0x80 : 0));
+
+	/*
+	 * this isn't the same as continuing with a signal, but it
+	 * will do for normal use.  strace only continues with a
+	 * signal if the stopping signal is not SIGTRAP.  -brl
+	 */
+	if (current->exit_code) {
+		pr_debug("syscall_trace: sending signal %d to PID %u\n",
+			 current->exit_code, current->pid);
+		send_sig(current->exit_code, current, 1);
+		current->exit_code = 0;
+	}
+}
+
+asmlinkage void do_debug_priv(struct pt_regs *regs)
+{
+	unsigned long dc, ds;
+	unsigned long die_val;
+
+	ds = __mfdr(DBGREG_DS);
+
+	pr_debug("do_debug_priv: pc = %08lx, ds = %08lx\n", regs->pc, ds);
+
+	if (ds & DS_SSS)
+		die_val = DIE_SSTEP;
+	else
+		die_val = DIE_BREAKPOINT;
+
+	if (notify_die(die_val, regs, 0, SIGTRAP) == NOTIFY_STOP)
+		return;
+
+	if (likely(ds & DS_SSS)) {
+		extern void itlb_miss(void);
+		extern void tlb_miss_common(void);
+		struct thread_info *ti;
+
+		dc = __mfdr(DBGREG_DC);
+		dc &= ~DC_SS;
+		__mtdr(DBGREG_DC, dc);
+
+		ti = current_thread_info();
+		ti->flags |= _TIF_BREAKPOINT;
+
+		/* The TLB miss handlers don't check thread flags */
+		if ((regs->pc >= (unsigned long)&itlb_miss)
+		    && (regs->pc <= (unsigned long)&tlb_miss_common)) {
+			__mtdr(DBGREG_BWA2A, sysreg_read(RAR_EX));
+			__mtdr(DBGREG_BWC2A, 0x40000001 | (get_asid() << 1));
+		}
+
+		/*
+		 * If we're running in supervisor mode, the breakpoint
+		 * will take us where we want directly, no need to
+		 * single step.
+		 */
+		if ((regs->sr & MODE_MASK) != MODE_SUPERVISOR)
+			ti->flags |= TIF_SINGLE_STEP;
+	} else {
+		panic("Unable to handle debug trap at pc = %08lx\n",
+		      regs->pc);
+	}
+}
+
+/*
+ * Handle breakpoints, single steps and other debuggy things. To keep
+ * things simple initially, we run with interrupts and exceptions
+ * disabled all the time.
+ */
+asmlinkage void do_debug(struct pt_regs *regs)
+{
+	unsigned long dc, ds;
+
+	ds = __mfdr(DBGREG_DS);
+	pr_debug("do_debug: pc = %08lx, ds = %08lx\n", regs->pc, ds);
+
+	if (test_thread_flag(TIF_BREAKPOINT)) {
+		pr_debug("TIF_BREAKPOINT set\n");
+		/* We're taking care of it */
+		clear_thread_flag(TIF_BREAKPOINT);
+		__mtdr(DBGREG_BWC2A, 0);
+	}
+
+	if (test_thread_flag(TIF_SINGLE_STEP)) {
+		pr_debug("TIF_SINGLE_STEP set, ds = 0x%08lx\n", ds);
+		if (ds & DS_SSS) {
+			dc = __mfdr(DBGREG_DC);
+			dc &= ~DC_SS;
+			__mtdr(DBGREG_DC, dc);
+
+			clear_thread_flag(TIF_SINGLE_STEP);
+			ptrace_break(current, regs);
+		}
+	} else {
+		/* regular breakpoint */
+		ptrace_break(current, regs);
+	}
+}
diff --git a/arch/avr32/kernel/semaphore.c b/arch/avr32/kernel/semaphore.c
new file mode 100644
index 000000000000..1e2705a05016
--- /dev/null
+++ b/arch/avr32/kernel/semaphore.c
@@ -0,0 +1,148 @@
+/*
+ * AVR32 sempahore implementation.
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * Based on linux/arch/i386/kernel/semaphore.c
+ *  Copyright (C) 1999 Linus Torvalds
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/module.h>
+
+#include <asm/semaphore.h>
+#include <asm/atomic.h>
+
+/*
+ * Semaphores are implemented using a two-way counter:
+ * The "count" variable is decremented for each process
+ * that tries to acquire the semaphore, while the "sleeping"
+ * variable is a count of such acquires.
+ *
+ * Notably, the inline "up()" and "down()" functions can
+ * efficiently test if they need to do any extra work (up
+ * needs to do something only if count was negative before
+ * the increment operation.
+ *
+ * "sleeping" and the contention routine ordering is protected
+ * by the spinlock in the semaphore's waitqueue head.
+ *
+ * Note that these functions are only called when there is
+ * contention on the lock, and as such all this is the
+ * "non-critical" part of the whole semaphore business. The
+ * critical part is the inline stuff in <asm/semaphore.h>
+ * where we want to avoid any extra jumps and calls.
+ */
+
+/*
+ * Logic:
+ *  - only on a boundary condition do we need to care. When we go
+ *    from a negative count to a non-negative, we wake people up.
+ *  - when we go from a non-negative count to a negative do we
+ *    (a) synchronize with the "sleeper" count and (b) make sure
+ *    that we're on the wakeup list before we synchronize so that
+ *    we cannot lose wakeup events.
+ */
+
+void __up(struct semaphore *sem)
+{
+	wake_up(&sem->wait);
+}
+EXPORT_SYMBOL(__up);
+
+void __sched __down(struct semaphore *sem)
+{
+	struct task_struct *tsk = current;
+        DECLARE_WAITQUEUE(wait, tsk);
+        unsigned long flags;
+
+        tsk->state = TASK_UNINTERRUPTIBLE;
+        spin_lock_irqsave(&sem->wait.lock, flags);
+        add_wait_queue_exclusive_locked(&sem->wait, &wait);
+
+        sem->sleepers++;
+        for (;;) {
+                int sleepers = sem->sleepers;
+
+                /*
+                 * Add "everybody else" into it. They aren't
+                 * playing, because we own the spinlock in
+                 * the wait_queue_head.
+                 */
+                if (atomic_add_return(sleepers - 1, &sem->count) >= 0) {
+                        sem->sleepers = 0;
+                        break;
+                }
+                sem->sleepers = 1;      /* us - see -1 above */
+                spin_unlock_irqrestore(&sem->wait.lock, flags);
+
+                schedule();
+
+                spin_lock_irqsave(&sem->wait.lock, flags);
+                tsk->state = TASK_UNINTERRUPTIBLE;
+        }
+        remove_wait_queue_locked(&sem->wait, &wait);
+        wake_up_locked(&sem->wait);
+        spin_unlock_irqrestore(&sem->wait.lock, flags);
+        tsk->state = TASK_RUNNING;
+}
+EXPORT_SYMBOL(__down);
+
+int __sched __down_interruptible(struct semaphore *sem)
+{
+	int retval = 0;
+	struct task_struct *tsk = current;
+        DECLARE_WAITQUEUE(wait, tsk);
+        unsigned long flags;
+
+        tsk->state = TASK_INTERRUPTIBLE;
+        spin_lock_irqsave(&sem->wait.lock, flags);
+        add_wait_queue_exclusive_locked(&sem->wait, &wait);
+
+        sem->sleepers++;
+        for (;;) {
+                int sleepers = sem->sleepers;
+
+		/*
+		 * With signals pending, this turns into the trylock
+		 * failure case - we won't be sleeping, and we can't
+		 * get the lock as it has contention. Just correct the
+		 * count and exit.
+		 */
+		if (signal_pending(current)) {
+			retval = -EINTR;
+			sem->sleepers = 0;
+			atomic_add(sleepers, &sem->count);
+			break;
+		}
+
+                /*
+                 * Add "everybody else" into it. They aren't
+                 * playing, because we own the spinlock in
+                 * the wait_queue_head.
+                 */
+                if (atomic_add_return(sleepers - 1, &sem->count) >= 0) {
+                        sem->sleepers = 0;
+                        break;
+                }
+                sem->sleepers = 1;      /* us - see -1 above */
+                spin_unlock_irqrestore(&sem->wait.lock, flags);
+
+                schedule();
+
+                spin_lock_irqsave(&sem->wait.lock, flags);
+                tsk->state = TASK_INTERRUPTIBLE;
+        }
+        remove_wait_queue_locked(&sem->wait, &wait);
+        wake_up_locked(&sem->wait);
+        spin_unlock_irqrestore(&sem->wait.lock, flags);
+
+        tsk->state = TASK_RUNNING;
+	return retval;
+}
+EXPORT_SYMBOL(__down_interruptible);
diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
new file mode 100644
index 000000000000..5d68f3c6990b
--- /dev/null
+++ b/arch/avr32/kernel/setup.c
@@ -0,0 +1,335 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/console.h>
+#include <linux/ioport.h>
+#include <linux/bootmem.h>
+#include <linux/fs.h>
+#include <linux/module.h>
+#include <linux/root_dev.h>
+#include <linux/cpu.h>
+
+#include <asm/sections.h>
+#include <asm/processor.h>
+#include <asm/pgtable.h>
+#include <asm/setup.h>
+#include <asm/sysreg.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/init.h>
+
+extern int root_mountflags;
+
+/*
+ * Bootloader-provided information about physical memory
+ */
+struct tag_mem_range *mem_phys;
+struct tag_mem_range *mem_reserved;
+struct tag_mem_range *mem_ramdisk;
+
+/*
+ * Initialize loops_per_jiffy as 5000000 (500MIPS).
+ * Better make it too large than too small...
+ */
+struct avr32_cpuinfo boot_cpu_data = {
+	.loops_per_jiffy = 5000000
+};
+EXPORT_SYMBOL(boot_cpu_data);
+
+static char command_line[COMMAND_LINE_SIZE];
+
+/*
+ * Should be more than enough, but if you have a _really_ complex
+ * setup, you might need to increase the size of this...
+ */
+static struct tag_mem_range __initdata mem_range_cache[32];
+static unsigned mem_range_next_free;
+
+/*
+ * Standard memory resources
+ */
+static struct resource mem_res[] = {
+	{
+		.name	= "Kernel code",
+		.start	= 0,
+		.end	= 0,
+		.flags	= IORESOURCE_MEM
+	},
+	{
+		.name	= "Kernel data",
+		.start	= 0,
+		.end	= 0,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+#define kernel_code	mem_res[0]
+#define kernel_data	mem_res[1]
+
+/*
+ * Early framebuffer allocation. Works as follows:
+ *   - If fbmem_size is zero, nothing will be allocated or reserved.
+ *   - If fbmem_start is zero when setup_bootmem() is called,
+ *     fbmem_size bytes will be allocated from the bootmem allocator.
+ *   - If fbmem_start is nonzero, an area of size fbmem_size will be
+ *     reserved at the physical address fbmem_start if necessary. If
+ *     the area isn't in a memory region known to the kernel, it will
+ *     be left alone.
+ *
+ * Board-specific code may use these variables to set up platform data
+ * for the framebuffer driver if fbmem_size is nonzero.
+ */
+static unsigned long __initdata fbmem_start;
+static unsigned long __initdata fbmem_size;
+
+/*
+ * "fbmem=xxx[kKmM]" allocates the specified amount of boot memory for
+ * use as framebuffer.
+ *
+ * "fbmem=xxx[kKmM]@yyy[kKmM]" defines a memory region of size xxx and
+ * starting at yyy to be reserved for use as framebuffer.
+ *
+ * The kernel won't verify that the memory region starting at yyy
+ * actually contains usable RAM.
+ */
+static int __init early_parse_fbmem(char *p)
+{
+	fbmem_size = memparse(p, &p);
+	if (*p == '@')
+		fbmem_start = memparse(p, &p);
+	return 0;
+}
+early_param("fbmem", early_parse_fbmem);
+
+static inline void __init resource_init(void)
+{
+	struct tag_mem_range *region;
+
+	kernel_code.start = __pa(init_mm.start_code);
+	kernel_code.end = __pa(init_mm.end_code - 1);
+	kernel_data.start = __pa(init_mm.end_code);
+	kernel_data.end = __pa(init_mm.brk - 1);
+
+	for (region = mem_phys; region; region = region->next) {
+		struct resource *res;
+		unsigned long phys_start, phys_end;
+
+		if (region->size == 0)
+			continue;
+
+		phys_start = region->addr;
+		phys_end = phys_start + region->size - 1;
+
+		res = alloc_bootmem_low(sizeof(*res));
+		res->name = "System RAM";
+		res->start = phys_start;
+		res->end = phys_end;
+		res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+
+		request_resource (&iomem_resource, res);
+
+		if (kernel_code.start >= res->start &&
+		    kernel_code.end <= res->end)
+			request_resource (res, &kernel_code);
+		if (kernel_data.start >= res->start &&
+		    kernel_data.end <= res->end)
+			request_resource (res, &kernel_data);
+	}
+}
+
+static int __init parse_tag_core(struct tag *tag)
+{
+	if (tag->hdr.size > 2) {
+		if ((tag->u.core.flags & 1) == 0)
+			root_mountflags &= ~MS_RDONLY;
+		ROOT_DEV = new_decode_dev(tag->u.core.rootdev);
+	}
+	return 0;
+}
+__tagtable(ATAG_CORE, parse_tag_core);
+
+static int __init parse_tag_mem_range(struct tag *tag,
+				      struct tag_mem_range **root)
+{
+	struct tag_mem_range *cur, **pprev;
+	struct tag_mem_range *new;
+
+	/*
+	 * Ignore zero-sized entries. If we're running standalone, the
+	 * SDRAM code may emit such entries if something goes
+	 * wrong...
+	 */
+	if (tag->u.mem_range.size == 0)
+		return 0;
+
+	/*
+	 * Copy the data so the bootmem init code doesn't need to care
+	 * about it.
+	 */
+	if (mem_range_next_free >=
+	    (sizeof(mem_range_cache) / sizeof(mem_range_cache[0])))
+		panic("Physical memory map too complex!\n");
+
+	new = &mem_range_cache[mem_range_next_free++];
+	*new = tag->u.mem_range;
+
+	pprev = root;
+	cur = *root;
+	while (cur) {
+		pprev = &cur->next;
+		cur = cur->next;
+	}
+
+	*pprev = new;
+	new->next = NULL;
+
+	return 0;
+}
+
+static int __init parse_tag_mem(struct tag *tag)
+{
+	return parse_tag_mem_range(tag, &mem_phys);
+}
+__tagtable(ATAG_MEM, parse_tag_mem);
+
+static int __init parse_tag_cmdline(struct tag *tag)
+{
+	strlcpy(saved_command_line, tag->u.cmdline.cmdline, COMMAND_LINE_SIZE);
+	return 0;
+}
+__tagtable(ATAG_CMDLINE, parse_tag_cmdline);
+
+static int __init parse_tag_rdimg(struct tag *tag)
+{
+	return parse_tag_mem_range(tag, &mem_ramdisk);
+}
+__tagtable(ATAG_RDIMG, parse_tag_rdimg);
+
+static int __init parse_tag_clock(struct tag *tag)
+{
+	/*
+	 * We'll figure out the clocks by peeking at the system
+	 * manager regs directly.
+	 */
+	return 0;
+}
+__tagtable(ATAG_CLOCK, parse_tag_clock);
+
+static int __init parse_tag_rsvd_mem(struct tag *tag)
+{
+	return parse_tag_mem_range(tag, &mem_reserved);
+}
+__tagtable(ATAG_RSVD_MEM, parse_tag_rsvd_mem);
+
+static int __init parse_tag_ethernet(struct tag *tag)
+{
+#if 0
+	const struct platform_device *pdev;
+
+	/*
+	 * We really need a bus type that supports "classes"...this
+	 * will do for now (until we must handle other kinds of
+	 * ethernet controllers)
+	 */
+	pdev = platform_get_device("macb", tag->u.ethernet.mac_index);
+	if (pdev && pdev->dev.platform_data) {
+		struct eth_platform_data *data = pdev->dev.platform_data;
+
+		data->valid = 1;
+		data->mii_phy_addr = tag->u.ethernet.mii_phy_addr;
+		memcpy(data->hw_addr, tag->u.ethernet.hw_address,
+		       sizeof(data->hw_addr));
+	}
+#endif
+	return 0;
+}
+__tagtable(ATAG_ETHERNET, parse_tag_ethernet);
+
+/*
+ * Scan the tag table for this tag, and call its parse function. The
+ * tag table is built by the linker from all the __tagtable
+ * declarations.
+ */
+static int __init parse_tag(struct tag *tag)
+{
+	extern struct tagtable __tagtable_begin, __tagtable_end;
+	struct tagtable *t;
+
+	for (t = &__tagtable_begin; t < &__tagtable_end; t++)
+		if (tag->hdr.tag == t->tag) {
+			t->parse(tag);
+			break;
+		}
+
+	return t < &__tagtable_end;
+}
+
+/*
+ * Parse all tags in the list we got from the boot loader
+ */
+static void __init parse_tags(struct tag *t)
+{
+	for (; t->hdr.tag != ATAG_NONE; t = tag_next(t))
+		if (!parse_tag(t))
+			printk(KERN_WARNING
+			       "Ignoring unrecognised tag 0x%08x\n",
+			       t->hdr.tag);
+}
+
+void __init setup_arch (char **cmdline_p)
+{
+	struct clk *cpu_clk;
+
+	parse_tags(bootloader_tags);
+
+	setup_processor();
+	setup_platform();
+
+	cpu_clk = clk_get(NULL, "cpu");
+	if (IS_ERR(cpu_clk)) {
+		printk(KERN_WARNING "Warning: Unable to get CPU clock\n");
+	} else {
+		unsigned long cpu_hz = clk_get_rate(cpu_clk);
+
+		/*
+		 * Well, duh, but it's probably a good idea to
+		 * increment the use count.
+		 */
+		clk_enable(cpu_clk);
+
+		boot_cpu_data.clk = cpu_clk;
+		boot_cpu_data.loops_per_jiffy = cpu_hz * 4;
+		printk("CPU: Running at %lu.%03lu MHz\n",
+		       ((cpu_hz + 500) / 1000) / 1000,
+		       ((cpu_hz + 500) / 1000) % 1000);
+	}
+
+	init_mm.start_code = (unsigned long) &_text;
+	init_mm.end_code = (unsigned long) &_etext;
+	init_mm.end_data = (unsigned long) &_edata;
+	init_mm.brk = (unsigned long) &_end;
+
+	strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE);
+	*cmdline_p = command_line;
+	parse_early_param();
+
+	setup_bootmem();
+
+	board_setup_fbmem(fbmem_start, fbmem_size);
+
+#ifdef CONFIG_VT
+	conswitchp = &dummy_con;
+#endif
+
+	paging_init();
+
+	resource_init();
+}
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
new file mode 100644
index 000000000000..33096651c24f
--- /dev/null
+++ b/arch/avr32/kernel/signal.c
@@ -0,0 +1,328 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * Based on linux/arch/sh/kernel/signal.c
+ *  Copyright (C) 1999, 2000  Niibe Yutaka & Kaz Kojima
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/errno.h>
+#include <linux/ptrace.h>
+#include <linux/unistd.h>
+#include <linux/suspend.h>
+
+#include <asm/uaccess.h>
+#include <asm/ucontext.h>
+
+#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
+
+asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
+			       struct pt_regs *regs)
+{
+	return do_sigaltstack(uss, uoss, regs->sp);
+}
+
+struct rt_sigframe
+{
+	struct siginfo info;
+	struct ucontext uc;
+	unsigned long retcode;
+};
+
+static int
+restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
+{
+	int err = 0;
+
+#define COPY(x)		err |= __get_user(regs->x, &sc->x)
+	COPY(sr);
+	COPY(pc);
+	COPY(lr);
+	COPY(sp);
+	COPY(r12);
+	COPY(r11);
+	COPY(r10);
+	COPY(r9);
+	COPY(r8);
+	COPY(r7);
+	COPY(r6);
+	COPY(r5);
+	COPY(r4);
+	COPY(r3);
+	COPY(r2);
+	COPY(r1);
+	COPY(r0);
+#undef	COPY
+
+	/*
+	 * Don't allow anyone to pretend they're running in supervisor
+	 * mode or something...
+	 */
+	err |= !valid_user_regs(regs);
+
+	return err;
+}
+
+
+asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
+{
+	struct rt_sigframe __user *frame;
+	sigset_t set;
+
+	frame = (struct rt_sigframe __user *)regs->sp;
+	pr_debug("SIG return: frame = %p\n", frame);
+
+	if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+		goto badframe;
+
+	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
+		goto badframe;
+
+	sigdelsetmask(&set, ~_BLOCKABLE);
+	spin_lock_irq(&current->sighand->siglock);
+	current->blocked = set;
+	recalc_sigpending();
+	spin_unlock_irq(&current->sighand->siglock);
+
+	if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
+		goto badframe;
+
+	pr_debug("Context restored: pc = %08lx, lr = %08lx, sp = %08lx\n",
+		 regs->pc, regs->lr, regs->sp);
+
+	return regs->r12;
+
+badframe:
+	force_sig(SIGSEGV, current);
+	return 0;
+}
+
+static int
+setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs)
+{
+	int err = 0;
+
+#define COPY(x)		err |= __put_user(regs->x, &sc->x)
+	COPY(sr);
+	COPY(pc);
+	COPY(lr);
+	COPY(sp);
+	COPY(r12);
+	COPY(r11);
+	COPY(r10);
+	COPY(r9);
+	COPY(r8);
+	COPY(r7);
+	COPY(r6);
+	COPY(r5);
+	COPY(r4);
+	COPY(r3);
+	COPY(r2);
+	COPY(r1);
+	COPY(r0);
+#undef	COPY
+
+	return err;
+}
+
+static inline void __user *
+get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, int framesize)
+{
+	unsigned long sp = regs->sp;
+
+	if ((ka->sa.sa_flags & SA_ONSTACK) && !sas_ss_flags(sp))
+		sp = current->sas_ss_sp + current->sas_ss_size;
+
+	return (void __user *)((sp - framesize) & ~3);
+}
+
+static int
+setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+	       sigset_t *set, struct pt_regs *regs)
+{
+	struct rt_sigframe __user *frame;
+	int err = 0;
+
+	frame = get_sigframe(ka, regs, sizeof(*frame));
+	err = -EFAULT;
+	if (!access_ok(VERIFY_WRITE, frame, sizeof (*frame)))
+		goto out;
+
+	/*
+	 * Set up the return code:
+	 *
+	 *	mov	r8, __NR_rt_sigreturn
+	 *	scall
+	 *
+	 * Note: This will blow up since we're using a non-executable
+	 * stack. Better use SA_RESTORER.
+	 */
+#if __NR_rt_sigreturn > 127
+# error __NR_rt_sigreturn must be < 127 to fit in a short mov
+#endif
+	err = __put_user(0x3008d733 | (__NR_rt_sigreturn << 20),
+			 &frame->retcode);
+
+	err |= copy_siginfo_to_user(&frame->info, info);
+
+	/* Set up the ucontext */
+	err |= __put_user(0, &frame->uc.uc_flags);
+	err |= __put_user(NULL, &frame->uc.uc_link);
+	err |= __put_user((void __user *)current->sas_ss_sp,
+			  &frame->uc.uc_stack.ss_sp);
+	err |= __put_user(sas_ss_flags(regs->sp),
+			  &frame->uc.uc_stack.ss_flags);
+	err |= __put_user(current->sas_ss_size,
+			  &frame->uc.uc_stack.ss_size);
+	err |= setup_sigcontext(&frame->uc.uc_mcontext, regs);
+	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
+
+	if (err)
+		goto out;
+
+	regs->r12 = sig;
+	regs->r11 = (unsigned long) &frame->info;
+	regs->r10 = (unsigned long) &frame->uc;
+	regs->sp = (unsigned long) frame;
+	if (ka->sa.sa_flags & SA_RESTORER)
+		regs->lr = (unsigned long)ka->sa.sa_restorer;
+	else {
+		printk(KERN_NOTICE "[%s:%d] did not set SA_RESTORER\n",
+		       current->comm, current->pid);
+		regs->lr = (unsigned long) &frame->retcode;
+	}
+
+	pr_debug("SIG deliver [%s:%d]: sig=%d sp=0x%lx pc=0x%lx->0x%p lr=0x%lx\n",
+		 current->comm, current->pid, sig, regs->sp,
+		 regs->pc, ka->sa.sa_handler, regs->lr);
+
+	regs->pc = (unsigned long) ka->sa.sa_handler;
+
+out:
+	return err;
+}
+
+static inline void restart_syscall(struct pt_regs *regs)
+{
+	if (regs->r12 == -ERESTART_RESTARTBLOCK)
+		regs->r8 = __NR_restart_syscall;
+	else
+		regs->r12 = regs->r12_orig;
+	regs->pc -= 2;
+}
+
+static inline void
+handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
+	      sigset_t *oldset, struct pt_regs *regs, int syscall)
+{
+	int ret;
+
+	/*
+	 * Set up the stack frame
+	 */
+	ret = setup_rt_frame(sig, ka, info, oldset, regs);
+
+	/*
+	 * Check that the resulting registers are sane
+	 */
+	ret |= !valid_user_regs(regs);
+
+	/*
+	 * Block the signal if we were unsuccessful.
+	 */
+	if (ret != 0 || !(ka->sa.sa_flags & SA_NODEFER)) {
+		spin_lock_irq(&current->sighand->siglock);
+		sigorsets(&current->blocked, &current->blocked,
+			  &ka->sa.sa_mask);
+		sigaddset(&current->blocked, sig);
+		recalc_sigpending();
+		spin_unlock_irq(&current->sighand->siglock);
+	}
+
+	if (ret == 0)
+		return;
+
+	force_sigsegv(sig, current);
+}
+
+/*
+ * Note that 'init' is a special process: it doesn't get signals it
+ * doesn't want to handle. Thus you cannot kill init even with a
+ * SIGKILL even by mistake.
+ */
+int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall)
+{
+	siginfo_t info;
+	int signr;
+	struct k_sigaction ka;
+
+	/*
+	 * We want the common case to go fast, which is why we may in
+	 * certain cases get here from kernel mode. Just return
+	 * without doing anything if so.
+	 */
+	if (!user_mode(regs))
+		return 0;
+
+	if (try_to_freeze()) {
+		signr = 0;
+		if (!signal_pending(current))
+			goto no_signal;
+	}
+
+	if (test_thread_flag(TIF_RESTORE_SIGMASK))
+		oldset = &current->saved_sigmask;
+	else if (!oldset)
+		oldset = &current->blocked;
+
+	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+no_signal:
+	if (syscall) {
+		switch (regs->r12) {
+		case -ERESTART_RESTARTBLOCK:
+		case -ERESTARTNOHAND:
+			if (signr > 0) {
+				regs->r12 = -EINTR;
+				break;
+			}
+			/* fall through */
+		case -ERESTARTSYS:
+			if (signr > 0 && !(ka.sa.sa_flags & SA_RESTART)) {
+				regs->r12 = -EINTR;
+				break;
+			}
+			/* fall through */
+		case -ERESTARTNOINTR:
+			restart_syscall(regs);
+		}
+	}
+
+	if (signr == 0) {
+		/* No signal to deliver -- put the saved sigmask back */
+		if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+			clear_thread_flag(TIF_RESTORE_SIGMASK);
+			sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+		}
+		return 0;
+	}
+
+	handle_signal(signr, &ka, &info, oldset, regs, syscall);
+	return 1;
+}
+
+asmlinkage void do_notify_resume(struct pt_regs *regs, struct thread_info *ti)
+{
+	int syscall = 0;
+
+	if ((sysreg_read(SR) & MODE_MASK) == MODE_SUPERVISOR)
+		syscall = 1;
+
+	if (ti->flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+		do_signal(regs, &current->blocked, syscall);
+}
diff --git a/arch/avr32/kernel/switch_to.S b/arch/avr32/kernel/switch_to.S
new file mode 100644
index 000000000000..a48d046723c5
--- /dev/null
+++ b/arch/avr32/kernel/switch_to.S
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <asm/sysreg.h>
+
+	.text
+	.global	__switch_to
+	.type	__switch_to, @function
+
+	/* Switch thread context from "prev" to "next", returning "last"
+	 *   r12 :	prev
+	 *   r11 :	&prev->thread + 1
+	 *   r10 :	&next->thread
+	 */
+__switch_to:
+	stm	--r11, r0,r1,r2,r3,r4,r5,r6,r7,sp,lr
+	mfsr	r9, SYSREG_SR
+	st.w	--r11, r9
+	ld.w	r8, r10++
+	/*
+	 * schedule() may have been called from a mode with a different
+	 * set of registers. Make sure we don't lose anything here.
+	 */
+	pushm	r10,r12
+	mtsr	SYSREG_SR, r8
+	frs			/* flush the return stack */
+	sub	pc, -2		/* flush the pipeline */
+	popm	r10,r12
+	ldm	r10++, r0,r1,r2,r3,r4,r5,r6,r7,sp,pc
+	.size	__switch_to, . - __switch_to
diff --git a/arch/avr32/kernel/sys_avr32.c b/arch/avr32/kernel/sys_avr32.c
new file mode 100644
index 000000000000..6ec5693da448
--- /dev/null
+++ b/arch/avr32/kernel/sys_avr32.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/file.h>
+#include <linux/mm.h>
+#include <linux/unistd.h>
+
+#include <asm/mman.h>
+#include <asm/uaccess.h>
+
+asmlinkage int sys_pipe(unsigned long __user *filedes)
+{
+	int fd[2];
+	int error;
+
+	error = do_pipe(fd);
+	if (!error) {
+		if (copy_to_user(filedes, fd, sizeof(fd)))
+			error = -EFAULT;
+	}
+	return error;
+}
+
+asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
+			  unsigned long prot, unsigned long flags,
+			  unsigned long fd, off_t offset)
+{
+	int error = -EBADF;
+	struct file *file = NULL;
+
+	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+	if (!(flags & MAP_ANONYMOUS)) {
+		file = fget(fd);
+		if (!file)
+			return error;
+	}
+
+	down_write(&current->mm->mmap_sem);
+	error = do_mmap_pgoff(file, addr, len, prot, flags, offset);
+	up_write(&current->mm->mmap_sem);
+
+	if (file)
+		fput(file);
+	return error;
+}
diff --git a/arch/avr32/kernel/syscall-stubs.S b/arch/avr32/kernel/syscall-stubs.S
new file mode 100644
index 000000000000..7589a9b426cb
--- /dev/null
+++ b/arch/avr32/kernel/syscall-stubs.S
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*
+ * Stubs for syscalls that require access to pt_regs or that take more
+ * than five parameters.
+ */
+
+#define ARG6	r3
+
+	.text
+	.global __sys_rt_sigsuspend
+	.type	__sys_rt_sigsuspend,@function
+__sys_rt_sigsuspend:
+	mov	r10, sp
+	rjmp	sys_rt_sigsuspend
+
+	.global	__sys_sigaltstack
+	.type	__sys_sigaltstack,@function
+__sys_sigaltstack:
+	mov	r10, sp
+	rjmp	sys_sigaltstack
+
+	.global	__sys_rt_sigreturn
+	.type	__sys_rt_sigreturn,@function
+__sys_rt_sigreturn:
+	mov	r12, sp
+	rjmp	sys_rt_sigreturn
+
+	.global	__sys_fork
+	.type	__sys_fork,@function
+__sys_fork:
+	mov	r12, sp
+	rjmp	sys_fork
+
+	.global	__sys_clone
+	.type	__sys_clone,@function
+__sys_clone:
+	mov	r8, sp
+	rjmp	sys_clone
+
+	.global	__sys_vfork
+	.type	__sys_vfork,@function
+__sys_vfork:
+	mov	r12, sp
+	rjmp	sys_vfork
+
+	.global	__sys_execve
+	.type	__sys_execve,@function
+__sys_execve:
+	mov	r9, sp
+	rjmp	sys_execve
+
+	.global	__sys_mmap2
+	.type	__sys_mmap2,@function
+__sys_mmap2:
+	pushm	lr
+	st.w	--sp, ARG6
+	rcall	sys_mmap2
+	sub	sp, -4
+	popm	pc
+
+	.global	__sys_sendto
+	.type	__sys_sendto,@function
+__sys_sendto:
+	pushm	lr
+	st.w	--sp, ARG6
+	rcall	sys_sendto
+	sub	sp, -4
+	popm	pc
+
+	.global	__sys_recvfrom
+	.type	__sys_recvfrom,@function
+__sys_recvfrom:
+	pushm	lr
+	st.w	--sp, ARG6
+	rcall	sys_recvfrom
+	sub	sp, -4
+	popm	pc
+
+	.global	__sys_pselect6
+	.type	__sys_pselect6,@function
+__sys_pselect6:
+	pushm	lr
+	st.w	--sp, ARG6
+	rcall	sys_pselect6
+	sub	sp, -4
+	popm	pc
+
+	.global	__sys_splice
+	.type	__sys_splice,@function
+__sys_splice:
+	pushm	lr
+	st.w	--sp, ARG6
+	rcall	sys_splice
+	sub	sp, -4
+	popm	pc
diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S
new file mode 100644
index 000000000000..63b206965d05
--- /dev/null
+++ b/arch/avr32/kernel/syscall_table.S
@@ -0,0 +1,289 @@
+/*
+ * AVR32 system call table
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#if !defined(CONFIG_NFSD) && !defined(CONFIG_NFSD_MODULE)
+#define sys_nfsservctl sys_ni_syscall
+#endif
+
+#if !defined(CONFIG_SYSV_IPC)
+# define sys_ipc	sys_ni_syscall
+#endif
+
+	.section .rodata,"a",@progbits
+	.type	sys_call_table,@object
+	.global	sys_call_table
+	.align	2
+sys_call_table:
+	.long	sys_restart_syscall
+	.long	sys_exit
+	.long	__sys_fork
+	.long	sys_read
+	.long	sys_write
+	.long	sys_open		/* 5 */
+	.long	sys_close
+	.long	sys_umask
+	.long	sys_creat
+	.long	sys_link
+	.long	sys_unlink		/* 10 */
+	.long	__sys_execve
+	.long	sys_chdir
+	.long	sys_time
+	.long	sys_mknod
+	.long	sys_chmod		/* 15 */
+	.long	sys_chown
+	.long	sys_lchown
+	.long	sys_lseek
+	.long	sys_llseek
+	.long	sys_getpid		/* 20 */
+	.long	sys_mount
+	.long	sys_umount
+	.long	sys_setuid
+	.long	sys_getuid
+	.long	sys_stime		/* 25 */
+	.long	sys_ptrace
+	.long	sys_alarm
+	.long	sys_pause
+	.long	sys_utime
+	.long	sys_newstat		/* 30 */
+	.long	sys_newfstat
+	.long	sys_newlstat
+	.long	sys_access
+	.long	sys_chroot
+	.long	sys_sync		/* 35 */
+	.long	sys_fsync
+	.long	sys_kill
+	.long	sys_rename
+	.long	sys_mkdir
+	.long	sys_rmdir		/* 40 */
+	.long	sys_dup
+	.long	sys_pipe
+	.long	sys_times
+	.long	__sys_clone
+	.long	sys_brk			/* 45 */
+	.long	sys_setgid
+	.long	sys_getgid
+	.long	sys_getcwd
+	.long	sys_geteuid
+	.long	sys_getegid		/* 50 */
+	.long	sys_acct
+	.long	sys_setfsuid
+	.long	sys_setfsgid
+	.long	sys_ioctl
+	.long	sys_fcntl		/* 55 */
+	.long	sys_setpgid
+	.long	sys_mremap
+	.long	sys_setresuid
+	.long	sys_getresuid
+	.long	sys_setreuid		/* 60 */
+	.long	sys_setregid
+	.long	sys_ustat
+	.long	sys_dup2
+	.long	sys_getppid
+	.long	sys_getpgrp		/* 65 */
+	.long	sys_setsid
+	.long	sys_rt_sigaction
+	.long	__sys_rt_sigreturn
+	.long	sys_rt_sigprocmask
+	.long	sys_rt_sigpending	/* 70 */
+	.long	sys_rt_sigtimedwait
+	.long	sys_rt_sigqueueinfo
+	.long	__sys_rt_sigsuspend
+	.long	sys_sethostname
+	.long	sys_setrlimit		/* 75 */
+	.long	sys_getrlimit
+	.long	sys_getrusage
+	.long	sys_gettimeofday
+	.long	sys_settimeofday
+	.long	sys_getgroups		/* 80 */
+	.long	sys_setgroups
+	.long	sys_select
+	.long	sys_symlink
+	.long	sys_fchdir
+	.long	sys_readlink		/* 85 */
+	.long	sys_pread64
+	.long	sys_pwrite64
+	.long	sys_swapon
+	.long	sys_reboot
+	.long	__sys_mmap2		/* 90 */
+	.long	sys_munmap
+	.long	sys_truncate
+	.long	sys_ftruncate
+	.long	sys_fchmod
+	.long	sys_fchown		/* 95 */
+	.long	sys_getpriority
+	.long	sys_setpriority
+	.long	sys_wait4
+	.long	sys_statfs
+	.long	sys_fstatfs		/* 100 */
+	.long	sys_vhangup
+	.long	__sys_sigaltstack
+	.long	sys_syslog
+	.long	sys_setitimer
+	.long	sys_getitimer		/* 105 */
+	.long	sys_swapoff
+	.long	sys_sysinfo
+	.long	sys_ipc
+	.long	sys_sendfile
+	.long	sys_setdomainname	/* 110 */
+	.long	sys_newuname
+	.long	sys_adjtimex
+	.long	sys_mprotect
+	.long	__sys_vfork
+	.long	sys_init_module		/* 115 */
+	.long	sys_delete_module
+	.long	sys_quotactl
+	.long	sys_getpgid
+	.long	sys_bdflush
+	.long	sys_sysfs		/* 120 */
+	.long	sys_personality
+	.long	sys_ni_syscall		/* reserved for afs_syscall */
+	.long	sys_getdents
+	.long	sys_flock
+	.long	sys_msync		/* 125 */
+	.long	sys_readv
+	.long	sys_writev
+	.long	sys_getsid
+	.long	sys_fdatasync
+	.long	sys_sysctl		/* 130 */
+	.long	sys_mlock
+	.long	sys_munlock
+	.long	sys_mlockall
+	.long	sys_munlockall
+	.long	sys_sched_setparam		/* 135 */
+	.long	sys_sched_getparam
+	.long	sys_sched_setscheduler
+	.long	sys_sched_getscheduler
+	.long	sys_sched_yield
+	.long	sys_sched_get_priority_max	/* 140 */
+	.long	sys_sched_get_priority_min
+	.long	sys_sched_rr_get_interval
+	.long	sys_nanosleep
+	.long	sys_poll
+	.long	sys_nfsservctl		/* 145 */
+	.long	sys_setresgid
+	.long	sys_getresgid
+	.long	sys_prctl
+	.long	sys_socket
+	.long	sys_bind		/* 150 */
+	.long	sys_connect
+	.long	sys_listen
+	.long	sys_accept
+	.long	sys_getsockname
+	.long	sys_getpeername		/* 155 */
+	.long	sys_socketpair
+	.long	sys_send
+	.long	sys_recv
+	.long	__sys_sendto
+	.long	__sys_recvfrom		/* 160 */
+	.long	sys_shutdown
+	.long	sys_setsockopt
+	.long	sys_getsockopt
+	.long	sys_sendmsg
+	.long	sys_recvmsg		/* 165 */
+	.long	sys_truncate64
+	.long	sys_ftruncate64
+	.long	sys_stat64
+	.long	sys_lstat64
+	.long	sys_fstat64		/* 170 */
+	.long	sys_pivot_root
+	.long	sys_mincore
+	.long	sys_madvise
+	.long	sys_getdents64
+	.long	sys_fcntl64		/* 175 */
+	.long	sys_gettid
+	.long	sys_readahead
+	.long	sys_setxattr
+	.long	sys_lsetxattr
+	.long	sys_fsetxattr		/* 180 */
+	.long	sys_getxattr
+	.long	sys_lgetxattr
+	.long	sys_fgetxattr
+	.long	sys_listxattr
+	.long	sys_llistxattr		/* 185 */
+	.long	sys_flistxattr
+	.long	sys_removexattr
+	.long	sys_lremovexattr
+	.long	sys_fremovexattr
+	.long	sys_tkill		/* 190 */
+	.long	sys_sendfile64
+	.long	sys_futex
+	.long	sys_sched_setaffinity
+	.long	sys_sched_getaffinity
+	.long	sys_capget		/* 195 */
+	.long	sys_capset
+	.long	sys_io_setup
+	.long	sys_io_destroy
+	.long	sys_io_getevents
+	.long	sys_io_submit		/* 200 */
+	.long	sys_io_cancel
+	.long	sys_fadvise64
+	.long	sys_exit_group
+	.long	sys_lookup_dcookie
+	.long	sys_epoll_create	/* 205 */
+	.long	sys_epoll_ctl
+	.long	sys_epoll_wait
+	.long	sys_remap_file_pages
+	.long	sys_set_tid_address
+	.long	sys_timer_create	/* 210 */
+	.long	sys_timer_settime
+	.long	sys_timer_gettime
+	.long	sys_timer_getoverrun
+	.long	sys_timer_delete
+	.long	sys_clock_settime	/* 215 */
+	.long	sys_clock_gettime
+	.long	sys_clock_getres
+	.long	sys_clock_nanosleep
+	.long	sys_statfs64
+	.long	sys_fstatfs64		/* 220 */
+	.long	sys_tgkill
+	.long	sys_ni_syscall		/* reserved for TUX */
+	.long	sys_utimes
+	.long	sys_fadvise64_64
+	.long	sys_cacheflush		/* 225 */
+	.long	sys_ni_syscall		/* sys_vserver */
+	.long	sys_mq_open
+	.long	sys_mq_unlink
+	.long	sys_mq_timedsend
+	.long	sys_mq_timedreceive	/* 230 */
+	.long	sys_mq_notify
+	.long	sys_mq_getsetattr
+	.long	sys_kexec_load
+	.long	sys_waitid
+	.long	sys_add_key		/* 235 */
+	.long	sys_request_key
+	.long	sys_keyctl
+	.long	sys_ioprio_set
+	.long	sys_ioprio_get
+	.long	sys_inotify_init	/* 240 */
+	.long	sys_inotify_add_watch
+	.long	sys_inotify_rm_watch
+	.long	sys_openat
+	.long	sys_mkdirat
+	.long	sys_mknodat		/* 245 */
+	.long	sys_fchownat
+	.long	sys_futimesat
+	.long	sys_fstatat64
+	.long	sys_unlinkat
+	.long	sys_renameat		/* 250 */
+	.long	sys_linkat
+	.long	sys_symlinkat
+	.long	sys_readlinkat
+	.long	sys_fchmodat
+	.long	sys_faccessat		/* 255 */
+	.long	__sys_pselect6
+	.long	sys_ppoll
+	.long	sys_unshare
+	.long	sys_set_robust_list
+	.long	sys_get_robust_list	/* 260 */
+	.long	__sys_splice
+	.long	sys_sync_file_range
+	.long	sys_tee
+	.long	sys_vmsplice
+	.long	sys_ni_syscall		/* r8 is saturated at nr_syscalls */
diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c
new file mode 100644
index 000000000000..b0e6b5855a38
--- /dev/null
+++ b/arch/avr32/kernel/time.c
@@ -0,0 +1,238 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * Based on MIPS implementation arch/mips/kernel/time.c
+ *   Copyright 2001 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/clocksource.h>
+#include <linux/time.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/kernel_stat.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/profile.h>
+#include <linux/sysdev.h>
+
+#include <asm/div64.h>
+#include <asm/sysreg.h>
+#include <asm/io.h>
+#include <asm/sections.h>
+
+static cycle_t read_cycle_count(void)
+{
+	return (cycle_t)sysreg_read(COUNT);
+}
+
+static struct clocksource clocksource_avr32 = {
+	.name		= "avr32",
+	.rating		= 350,
+	.read		= read_cycle_count,
+	.mask		= CLOCKSOURCE_MASK(32),
+	.shift		= 16,
+	.is_continuous	= 1,
+};
+
+/*
+ * By default we provide the null RTC ops
+ */
+static unsigned long null_rtc_get_time(void)
+{
+	return mktime(2004, 1, 1, 0, 0, 0);
+}
+
+static int null_rtc_set_time(unsigned long sec)
+{
+	return 0;
+}
+
+static unsigned long (*rtc_get_time)(void) = null_rtc_get_time;
+static int (*rtc_set_time)(unsigned long) = null_rtc_set_time;
+
+/* how many counter cycles in a jiffy? */
+static unsigned long cycles_per_jiffy;
+
+/* cycle counter value at the previous timer interrupt */
+static unsigned int timerhi, timerlo;
+
+/* the count value for the next timer interrupt */
+static unsigned int expirelo;
+
+static void avr32_timer_ack(void)
+{
+	unsigned int count;
+
+	/* Ack this timer interrupt and set the next one */
+	expirelo += cycles_per_jiffy;
+	if (expirelo == 0) {
+		printk(KERN_DEBUG "expirelo == 0\n");
+		sysreg_write(COMPARE, expirelo + 1);
+	} else {
+		sysreg_write(COMPARE, expirelo);
+	}
+
+	/* Check to see if we have missed any timer interrupts */
+	count = sysreg_read(COUNT);
+	if ((count - expirelo) < 0x7fffffff) {
+		expirelo = count + cycles_per_jiffy;
+		sysreg_write(COMPARE, expirelo);
+	}
+}
+
+static unsigned int avr32_hpt_read(void)
+{
+	return sysreg_read(COUNT);
+}
+
+/*
+ * Taken from MIPS c0_hpt_timer_init().
+ *
+ * Why is it so complicated, and what is "count"?  My assumption is
+ * that `count' specifies the "reference cycle", i.e. the cycle since
+ * reset that should mean "zero". The reason COUNT is written twice is
+ * probably to make sure we don't get any timer interrupts while we
+ * are messing with the counter.
+ */
+static void avr32_hpt_init(unsigned int count)
+{
+	count = sysreg_read(COUNT) - count;
+	expirelo = (count / cycles_per_jiffy + 1) * cycles_per_jiffy;
+	sysreg_write(COUNT, expirelo - cycles_per_jiffy);
+	sysreg_write(COMPARE, expirelo);
+	sysreg_write(COUNT, count);
+}
+
+/*
+ * Scheduler clock - returns current time in nanosec units.
+ */
+unsigned long long sched_clock(void)
+{
+	/* There must be better ways...? */
+	return (unsigned long long)jiffies * (1000000000 / HZ);
+}
+
+/*
+ * local_timer_interrupt() does profiling and process accounting on a
+ * per-CPU basis.
+ *
+ * In UP mode, it is invoked from the (global) timer_interrupt.
+ */
+static void local_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+	if (current->pid)
+		profile_tick(CPU_PROFILING, regs);
+	update_process_times(user_mode(regs));
+}
+
+static irqreturn_t
+timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+	unsigned int count;
+
+	/* ack timer interrupt and try to set next interrupt */
+	count = avr32_hpt_read();
+	avr32_timer_ack();
+
+	/* Update timerhi/timerlo for intra-jiffy calibration */
+	timerhi += count < timerlo;	/* Wrap around */
+	timerlo = count;
+
+	/*
+	 * Call the generic timer interrupt handler
+	 */
+	write_seqlock(&xtime_lock);
+	do_timer(regs);
+	write_sequnlock(&xtime_lock);
+
+	/*
+	 * In UP mode, we call local_timer_interrupt() to do profiling
+	 * and process accounting.
+	 *
+	 * SMP is not supported yet.
+	 */
+	local_timer_interrupt(irq, dev_id, regs);
+
+	return IRQ_HANDLED;
+}
+
+static struct irqaction timer_irqaction = {
+	.handler	= timer_interrupt,
+	.flags		= IRQF_DISABLED,
+	.name		= "timer",
+};
+
+void __init time_init(void)
+{
+	unsigned long mult, shift, count_hz;
+	int ret;
+
+	xtime.tv_sec = rtc_get_time();
+	xtime.tv_nsec = 0;
+
+	set_normalized_timespec(&wall_to_monotonic,
+				-xtime.tv_sec, -xtime.tv_nsec);
+
+	printk("Before time_init: count=%08lx, compare=%08lx\n",
+	       (unsigned long)sysreg_read(COUNT),
+	       (unsigned long)sysreg_read(COMPARE));
+
+	count_hz = clk_get_rate(boot_cpu_data.clk);
+	shift = clocksource_avr32.shift;
+	mult = clocksource_hz2mult(count_hz, shift);
+	clocksource_avr32.mult = mult;
+
+	printk("Cycle counter: mult=%lu, shift=%lu\n", mult, shift);
+
+	{
+		u64 tmp;
+
+		tmp = TICK_NSEC;
+		tmp <<= shift;
+		tmp += mult / 2;
+		do_div(tmp, mult);
+
+		cycles_per_jiffy = tmp;
+	}
+
+	/* This sets up the high precision timer for the first interrupt. */
+	avr32_hpt_init(avr32_hpt_read());
+
+	printk("After time_init: count=%08lx, compare=%08lx\n",
+	       (unsigned long)sysreg_read(COUNT),
+	       (unsigned long)sysreg_read(COMPARE));
+
+	ret = clocksource_register(&clocksource_avr32);
+	if (ret)
+		printk(KERN_ERR
+		       "timer: could not register clocksource: %d\n", ret);
+
+	ret = setup_irq(0, &timer_irqaction);
+	if (ret)
+		printk("timer: could not request IRQ 0: %d\n", ret);
+}
+
+static struct sysdev_class timer_class = {
+	set_kset_name("timer"),
+};
+
+static struct sys_device timer_device = {
+	.id	= 0,
+	.cls	= &timer_class,
+};
+
+static int __init init_timer_sysfs(void)
+{
+	int err = sysdev_class_register(&timer_class);
+	if (!err)
+		err = sysdev_register(&timer_device);
+	return err;
+}
+
+device_initcall(init_timer_sysfs);
diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c
new file mode 100644
index 000000000000..7e803f4d7a12
--- /dev/null
+++ b/arch/avr32/kernel/traps.c
@@ -0,0 +1,425 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#undef DEBUG
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kallsyms.h>
+#include <linux/notifier.h>
+
+#include <asm/traps.h>
+#include <asm/sysreg.h>
+#include <asm/addrspace.h>
+#include <asm/ocd.h>
+#include <asm/mmu_context.h>
+#include <asm/uaccess.h>
+
+static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
+{
+	unsigned long p;
+	int i;
+
+	printk("%s(0x%08lx to 0x%08lx)\n", str, bottom, top);
+
+	for (p = bottom & ~31; p < top; ) {
+		printk("%04lx: ", p & 0xffff);
+
+		for (i = 0; i < 8; i++, p += 4) {
+			unsigned int val;
+
+			if (p < bottom || p >= top)
+				printk("         ");
+			else {
+				if (__get_user(val, (unsigned int __user *)p)) {
+					printk("\n");
+					goto out;
+				}
+				printk("%08x ", val);
+			}
+		}
+		printk("\n");
+	}
+
+out:
+	return;
+}
+
+#ifdef CONFIG_FRAME_POINTER
+static inline void __show_trace(struct task_struct *tsk, unsigned long *sp,
+				struct pt_regs *regs)
+{
+	unsigned long __user *fp;
+	unsigned long __user *last_fp = NULL;
+
+	if (regs) {
+		fp = (unsigned long __user *)regs->r7;
+	} else if (tsk == current) {
+		register unsigned long __user *real_fp __asm__("r7");
+		fp = real_fp;
+	} else {
+		fp = (unsigned long __user *)tsk->thread.cpu_context.r7;
+	}
+
+	/*
+	 * Walk the stack until (a) we get an exception, (b) the frame
+	 * pointer becomes zero, or (c) the frame pointer gets stuck
+	 * at the same value.
+	 */
+	while (fp && fp != last_fp) {
+		unsigned long lr, new_fp = 0;
+
+		last_fp = fp;
+		if (__get_user(lr, fp))
+			break;
+		if (fp && __get_user(new_fp, fp + 1))
+			break;
+		fp = (unsigned long __user *)new_fp;
+
+		printk(" [<%08lx>] ", lr);
+		print_symbol("%s\n", lr);
+	}
+	printk("\n");
+}
+#else
+static inline void __show_trace(struct task_struct *tsk, unsigned long *sp,
+				struct pt_regs *regs)
+{
+	unsigned long addr;
+
+	while (!kstack_end(sp)) {
+		addr = *sp++;
+		if (kernel_text_address(addr)) {
+			printk(" [<%08lx>] ", addr);
+			print_symbol("%s\n", addr);
+		}
+	}
+}
+#endif
+
+void show_trace(struct task_struct *tsk, unsigned long *sp,
+		       struct pt_regs *regs)
+{
+	if (regs &&
+	    (((regs->sr & MODE_MASK) == MODE_EXCEPTION) ||
+	     ((regs->sr & MODE_MASK) == MODE_USER)))
+		return;
+
+	printk ("Call trace:");
+#ifdef CONFIG_KALLSYMS
+	printk("\n");
+#endif
+
+	__show_trace(tsk, sp, regs);
+	printk("\n");
+}
+
+void show_stack(struct task_struct *tsk, unsigned long *sp)
+{
+	unsigned long stack;
+
+	if (!tsk)
+		tsk = current;
+	if (sp == 0) {
+		if (tsk == current) {
+			register unsigned long *real_sp __asm__("sp");
+			sp = real_sp;
+		} else {
+			sp = (unsigned long *)tsk->thread.cpu_context.ksp;
+		}
+	}
+
+	stack = (unsigned long)sp;
+	dump_mem("Stack: ", stack,
+		 THREAD_SIZE + (unsigned long)tsk->thread_info);
+	show_trace(tsk, sp, NULL);
+}
+
+void dump_stack(void)
+{
+	show_stack(NULL, NULL);
+}
+EXPORT_SYMBOL(dump_stack);
+
+ATOMIC_NOTIFIER_HEAD(avr32_die_chain);
+
+int register_die_notifier(struct notifier_block *nb)
+{
+	pr_debug("register_die_notifier: %p\n", nb);
+
+	return atomic_notifier_chain_register(&avr32_die_chain, nb);
+}
+EXPORT_SYMBOL(register_die_notifier);
+
+int unregister_die_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_unregister(&avr32_die_chain, nb);
+}
+EXPORT_SYMBOL(unregister_die_notifier);
+
+static DEFINE_SPINLOCK(die_lock);
+
+void __die(const char *str, struct pt_regs *regs, unsigned long err,
+	   const char *file, const char *func, unsigned long line)
+{
+	struct task_struct *tsk = current;
+	static int die_counter;
+
+	console_verbose();
+	spin_lock_irq(&die_lock);
+	bust_spinlocks(1);
+
+	printk(KERN_ALERT "%s", str);
+	if (file && func)
+		printk(" in %s:%s, line %ld", file, func, line);
+	printk("[#%d]:\n", ++die_counter);
+	print_modules();
+	show_regs(regs);
+	printk("Process %s (pid: %d, stack limit = 0x%p)\n",
+	       tsk->comm, tsk->pid, tsk->thread_info + 1);
+
+	if (!user_mode(regs) || in_interrupt()) {
+		dump_mem("Stack: ", regs->sp,
+			 THREAD_SIZE + (unsigned long)tsk->thread_info);
+	}
+
+	bust_spinlocks(0);
+	spin_unlock_irq(&die_lock);
+	do_exit(SIGSEGV);
+}
+
+void __die_if_kernel(const char *str, struct pt_regs *regs, unsigned long err,
+		     const char *file, const char *func, unsigned long line)
+{
+	if (!user_mode(regs))
+		__die(str, regs, err, file, func, line);
+}
+
+asmlinkage void do_nmi(unsigned long ecr, struct pt_regs *regs)
+{
+#ifdef CONFIG_SUBARCH_AVR32B
+	/*
+	 * The exception entry always saves RSR_EX. For NMI, this is
+	 * wrong; it should be RSR_NMI
+	 */
+	regs->sr = sysreg_read(RSR_NMI);
+#endif
+
+	printk("NMI taken!!!!\n");
+	die("NMI", regs, ecr);
+	BUG();
+}
+
+asmlinkage void do_critical_exception(unsigned long ecr, struct pt_regs *regs)
+{
+	printk("Unable to handle critical exception %lu at pc = %08lx!\n",
+	       ecr, regs->pc);
+	die("Oops", regs, ecr);
+	BUG();
+}
+
+asmlinkage void do_address_exception(unsigned long ecr, struct pt_regs *regs)
+{
+	siginfo_t info;
+
+	die_if_kernel("Oops: Address exception in kernel mode", regs, ecr);
+
+#ifdef DEBUG
+	if (ecr == ECR_ADDR_ALIGN_X)
+		pr_debug("Instruction Address Exception at pc = %08lx\n",
+			 regs->pc);
+	else if (ecr == ECR_ADDR_ALIGN_R)
+		pr_debug("Data Address Exception (Read) at pc = %08lx\n",
+			 regs->pc);
+	else if (ecr == ECR_ADDR_ALIGN_W)
+		pr_debug("Data Address Exception (Write) at pc = %08lx\n",
+			 regs->pc);
+	else
+		BUG();
+
+	show_regs(regs);
+#endif
+
+	info.si_signo = SIGBUS;
+	info.si_errno = 0;
+	info.si_code = BUS_ADRALN;
+	info.si_addr = (void __user *)regs->pc;
+
+	force_sig_info(SIGBUS, &info, current);
+}
+
+/* This way of handling undefined instructions is stolen from ARM */
+static LIST_HEAD(undef_hook);
+static spinlock_t undef_lock = SPIN_LOCK_UNLOCKED;
+
+void register_undef_hook(struct undef_hook *hook)
+{
+	spin_lock_irq(&undef_lock);
+	list_add(&hook->node, &undef_hook);
+	spin_unlock_irq(&undef_lock);
+}
+
+void unregister_undef_hook(struct undef_hook *hook)
+{
+	spin_lock_irq(&undef_lock);
+	list_del(&hook->node);
+	spin_unlock_irq(&undef_lock);
+}
+
+static int do_cop_absent(u32 insn)
+{
+	int cop_nr;
+	u32 cpucr;
+	if ( (insn & 0xfdf00000) == 0xf1900000 )
+		/* LDC0 */
+		cop_nr = 0;
+	else
+		cop_nr = (insn >> 13) & 0x7;
+
+	/* Try enabling the coprocessor */
+	cpucr = sysreg_read(CPUCR);
+	cpucr |= (1 << (24 + cop_nr));
+	sysreg_write(CPUCR, cpucr);
+
+	cpucr = sysreg_read(CPUCR);
+	if ( !(cpucr & (1 << (24 + cop_nr))) ){
+		printk("Coprocessor #%i not found!\n", cop_nr);
+		return -1;
+	}
+
+	return 0;
+}
+
+#ifdef CONFIG_BUG
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+static inline void do_bug_verbose(struct pt_regs *regs, u32 insn)
+{
+	char *file;
+	u16 line;
+	char c;
+
+	if (__get_user(line, (u16 __user *)(regs->pc + 2)))
+		return;
+	if (__get_user(file, (char * __user *)(regs->pc + 4))
+	    || (unsigned long)file < PAGE_OFFSET
+	    || __get_user(c, file))
+		file = "<bad filename>";
+
+	printk(KERN_ALERT "kernel BUG at %s:%d!\n", file, line);
+}
+#else
+static inline void do_bug_verbose(struct pt_regs *regs, u32 insn)
+{
+
+}
+#endif
+#endif
+
+asmlinkage void do_illegal_opcode(unsigned long ecr, struct pt_regs *regs)
+{
+	u32 insn;
+	struct undef_hook *hook;
+	siginfo_t info;
+	void __user *pc;
+
+	if (!user_mode(regs))
+		goto kernel_trap;
+
+	local_irq_enable();
+
+	pc = (void __user *)instruction_pointer(regs);
+	if (__get_user(insn, (u32 __user *)pc))
+		goto invalid_area;
+
+        if (ecr == ECR_COPROC_ABSENT) {
+		if (do_cop_absent(insn) == 0)
+			return;
+        }
+
+	spin_lock_irq(&undef_lock);
+	list_for_each_entry(hook, &undef_hook, node) {
+		if ((insn & hook->insn_mask) == hook->insn_val) {
+			if (hook->fn(regs, insn) == 0) {
+				spin_unlock_irq(&undef_lock);
+				return;
+			}
+		}
+	}
+	spin_unlock_irq(&undef_lock);
+
+invalid_area:
+
+#ifdef DEBUG
+	printk("Illegal instruction at pc = %08lx\n", regs->pc);
+	if (regs->pc < TASK_SIZE) {
+		unsigned long ptbr, pgd, pte, *p;
+
+		ptbr = sysreg_read(PTBR);
+		p = (unsigned long *)ptbr;
+		pgd = p[regs->pc >> 22];
+		p = (unsigned long *)((pgd & 0x1ffff000) | 0x80000000);
+		pte = p[(regs->pc >> 12) & 0x3ff];
+		printk("page table: 0x%08lx -> 0x%08lx -> 0x%08lx\n", ptbr, pgd, pte);
+	}
+#endif
+
+	info.si_signo = SIGILL;
+	info.si_errno = 0;
+	info.si_addr = (void __user *)regs->pc;
+	switch (ecr) {
+	case ECR_ILLEGAL_OPCODE:
+	case ECR_UNIMPL_INSTRUCTION:
+		info.si_code = ILL_ILLOPC;
+		break;
+	case ECR_PRIVILEGE_VIOLATION:
+		info.si_code = ILL_PRVOPC;
+		break;
+	case ECR_COPROC_ABSENT:
+		info.si_code = ILL_COPROC;
+		break;
+	default:
+		BUG();
+	}
+
+	force_sig_info(SIGILL, &info, current);
+	return;
+
+kernel_trap:
+#ifdef CONFIG_BUG
+	if (__kernel_text_address(instruction_pointer(regs))) {
+		insn = *(u16 *)instruction_pointer(regs);
+		if (insn == AVR32_BUG_OPCODE) {
+			do_bug_verbose(regs, insn);
+			die("Kernel BUG", regs, 0);
+			return;
+		}
+	}
+#endif
+
+	die("Oops: Illegal instruction in kernel code", regs, ecr);
+}
+
+asmlinkage void do_fpe(unsigned long ecr, struct pt_regs *regs)
+{
+	siginfo_t info;
+
+	printk("Floating-point exception at pc = %08lx\n", regs->pc);
+
+	/* We have no FPU... */
+	info.si_signo = SIGILL;
+	info.si_errno = 0;
+	info.si_addr = (void __user *)regs->pc;
+	info.si_code = ILL_COPROC;
+
+	force_sig_info(SIGILL, &info, current);
+}
+
+
+void __init trap_init(void)
+{
+
+}
diff --git a/arch/avr32/kernel/vmlinux.lds.c b/arch/avr32/kernel/vmlinux.lds.c
new file mode 100644
index 000000000000..cdd627c6b7dc
--- /dev/null
+++ b/arch/avr32/kernel/vmlinux.lds.c
@@ -0,0 +1,139 @@
+/*
+ * AVR32 linker script for the Linux kernel
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#define LOAD_OFFSET 0x00000000
+#include <asm-generic/vmlinux.lds.h>
+
+OUTPUT_FORMAT("elf32-avr32", "elf32-avr32", "elf32-avr32")
+OUTPUT_ARCH(avr32)
+ENTRY(_start)
+
+/* Big endian */
+jiffies = jiffies_64 + 4;
+
+SECTIONS
+{
+	. = CONFIG_ENTRY_ADDRESS;
+	.init		: AT(ADDR(.init) - LOAD_OFFSET) {
+		_stext = .;
+		__init_begin = .;
+			_sinittext = .;
+			*(.text.reset)
+			*(.init.text)
+			_einittext = .;
+		. = ALIGN(4);
+		__tagtable_begin = .;
+			*(.taglist)
+		__tagtable_end = .;
+			*(.init.data)
+		. = ALIGN(16);
+		__setup_start = .;
+			*(.init.setup)
+		__setup_end = .;
+		. = ALIGN(4);
+		__initcall_start = .;
+			*(.initcall1.init)
+			*(.initcall2.init)
+			*(.initcall3.init)
+			*(.initcall4.init)
+			*(.initcall5.init)
+			*(.initcall6.init)
+			*(.initcall7.init)
+		__initcall_end = .;
+		__con_initcall_start = .;
+			*(.con_initcall.init)
+		__con_initcall_end = .;
+		__security_initcall_start = .;
+			*(.security_initcall.init)
+		__security_initcall_end = .;
+		. = ALIGN(32);
+		__initramfs_start = .;
+			*(.init.ramfs)
+		__initramfs_end = .;
+		. = ALIGN(4096);
+		__init_end = .;
+	}
+
+	. = ALIGN(8192);
+	.text		: AT(ADDR(.text) - LOAD_OFFSET) {
+		_evba = .;
+		_text = .;
+		*(.ex.text)
+		. = 0x50;
+		*(.tlbx.ex.text)
+		. = 0x60;
+		*(.tlbr.ex.text)
+		. = 0x70;
+		*(.tlbw.ex.text)
+		. = 0x100;
+		*(.scall.text)
+		*(.irq.text)
+		*(.text)
+		SCHED_TEXT
+		LOCK_TEXT
+		KPROBES_TEXT
+		*(.fixup)
+		*(.gnu.warning)
+		_etext = .;
+	} = 0xd703d703
+
+	. = ALIGN(4);
+	__ex_table	: AT(ADDR(__ex_table) - LOAD_OFFSET) {
+		__start___ex_table = .;
+		*(__ex_table)
+		__stop___ex_table = .;
+	}
+
+	RODATA
+
+	. = ALIGN(8192);
+
+	.data		: AT(ADDR(.data) - LOAD_OFFSET) {
+		_data = .;
+		_sdata = .;
+		/*
+		 * First, the init task union, aligned to an 8K boundary.
+		 */
+		*(.data.init_task)
+
+		/* Then, the cacheline aligned data */
+		. = ALIGN(32);
+		*(.data.cacheline_aligned)
+
+		/* And the rest... */
+		*(.data.rel*)
+		*(.data)
+		CONSTRUCTORS
+
+		_edata = .;
+	}
+
+
+	. = ALIGN(8);
+	.bss    	: AT(ADDR(.bss) - LOAD_OFFSET) {
+		__bss_start = .;
+		*(.bss)
+		*(COMMON)
+		. = ALIGN(8);
+		__bss_stop = .;
+		_end = .;
+	}
+
+	/* When something in the kernel is NOT compiled as a module, the module
+	 * cleanup code and data are put into these segments. Both can then be
+	 * thrown away, as cleanup code is never called unless it's a module.
+	 */
+	/DISCARD/       	: {
+		*(.exit.text)
+		*(.exit.data)
+		*(.exitcall.exit)
+	}
+
+	DWARF_DEBUG
+}
diff --git a/arch/avr32/lib/Makefile b/arch/avr32/lib/Makefile
new file mode 100644
index 000000000000..09ac43e40522
--- /dev/null
+++ b/arch/avr32/lib/Makefile
@@ -0,0 +1,10 @@
+#
+# Makefile for AVR32-specific library files
+#
+
+lib-y	:= copy_user.o clear_user.o
+lib-y	+= strncpy_from_user.o strnlen_user.o
+lib-y	+= delay.o memset.o memcpy.o findbit.o
+lib-y	+= csum_partial.o csum_partial_copy_generic.o
+lib-y	+= io-readsw.o io-readsl.o io-writesw.o io-writesl.o
+lib-y	+= __avr32_lsl64.o __avr32_lsr64.o __avr32_asr64.o
diff --git a/arch/avr32/lib/__avr32_asr64.S b/arch/avr32/lib/__avr32_asr64.S
new file mode 100644
index 000000000000..368b6bca4c76
--- /dev/null
+++ b/arch/avr32/lib/__avr32_asr64.S
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+	/*
+	 * DWtype __avr32_asr64(DWtype u, word_type b)
+	 */
+	.text
+	.global	__avr32_asr64
+	.type	__avr32_asr64,@function
+__avr32_asr64:
+	cp.w	r12, 0
+	reteq	r12
+
+	rsub	r9, r12, 32
+	brle	1f
+
+	lsl	r8, r11, r9
+	lsr	r10, r10, r12
+	asr	r11, r11, r12
+	or	r10, r8
+	retal	r12
+
+1:	neg	r9
+	asr	r10, r11, r9
+	asr	r11, 31
+	retal	r12
diff --git a/arch/avr32/lib/__avr32_lsl64.S b/arch/avr32/lib/__avr32_lsl64.S
new file mode 100644
index 000000000000..f1dbc2b36257
--- /dev/null
+++ b/arch/avr32/lib/__avr32_lsl64.S
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+	/*
+	 * DWtype __avr32_lsl64(DWtype u, word_type b)
+	 */
+	.text
+	.global	__avr32_lsl64
+	.type	__avr32_lsl64,@function
+__avr32_lsl64:
+	cp.w	r12, 0
+	reteq	r12
+
+	rsub	r9, r12, 32
+	brle	1f
+
+	lsr	r8, r10, r9
+	lsl	r10, r10, r12
+	lsl	r11, r11, r12
+	or	r11, r8
+	retal	r12
+
+1:	neg	r9
+	lsl	r11, r10, r9
+	mov	r10, 0
+	retal	r12
diff --git a/arch/avr32/lib/__avr32_lsr64.S b/arch/avr32/lib/__avr32_lsr64.S
new file mode 100644
index 000000000000..e65bb7f0d24c
--- /dev/null
+++ b/arch/avr32/lib/__avr32_lsr64.S
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+	/*
+	 * DWtype __avr32_lsr64(DWtype u, word_type b)
+	 */
+	.text
+	.global	__avr32_lsr64
+	.type	__avr32_lsr64,@function
+__avr32_lsr64:
+	cp.w	r12, 0
+	reteq	r12
+
+	rsub	r9, r12, 32
+	brle	1f
+
+	lsl	r8, r11, r9
+	lsr	r11, r11, r12
+	lsr	r10, r10, r12
+	or	r10, r8
+	retal	r12
+
+1:	neg	r9
+	lsr	r10, r11, r9
+	mov	r11, 0
+	retal	r12
diff --git a/arch/avr32/lib/clear_user.S b/arch/avr32/lib/clear_user.S
new file mode 100644
index 000000000000..d8991b6f8eb7
--- /dev/null
+++ b/arch/avr32/lib/clear_user.S
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <asm/page.h>
+#include <asm/thread_info.h>
+#include <asm/asm.h>
+
+	.text
+	.align	1
+	.global	clear_user
+	.type	clear_user, "function"
+clear_user:
+	branch_if_kernel r8, __clear_user
+	ret_if_privileged r8, r12, r11, r11
+
+	.global	__clear_user
+	.type	__clear_user, "function"
+__clear_user:
+	mov	r9, r12
+	mov	r8, 0
+	andl	r9, 3, COH
+	brne	5f
+
+1:	sub	r11, 4
+	brlt	2f
+
+10:	st.w	r12++, r8
+	sub	r11, 4
+	brge	10b
+
+2:	sub	r11, -4
+	reteq	0
+
+	/* Unaligned count or address */
+	bld	r11, 1
+	brcc	12f
+11:	st.h	r12++, r8
+	sub	r11, 2
+	reteq	0
+12:	st.b	r12++, r8
+	retal	0
+
+	/* Unaligned address */
+5:	cp.w	r11, 4
+	brlt	2b
+
+	lsl	r9, 2
+	add	pc, pc, r9
+13:	st.b	r12++, r8
+	sub	r11, 1
+14:	st.b	r12++, r8
+	sub	r11, 1
+15:	st.b	r12++, r8
+	sub	r11, 1
+	rjmp	1b
+
+	.size	clear_user, . - clear_user
+	.size	__clear_user, . - __clear_user
+
+	.section .fixup, "ax"
+	.align	1
+18:	sub	r11, -4
+19:	retal	r11
+
+	.section __ex_table, "a"
+	.align	2
+	.long	10b, 18b
+	.long	11b, 19b
+	.long	12b, 19b
+	.long	13b, 19b
+	.long	14b, 19b
+	.long	15b, 19b
diff --git a/arch/avr32/lib/copy_user.S b/arch/avr32/lib/copy_user.S
new file mode 100644
index 000000000000..ea59c04b07de
--- /dev/null
+++ b/arch/avr32/lib/copy_user.S
@@ -0,0 +1,119 @@
+/*
+ * Copy to/from userspace with optional address space checking.
+ *
+ * Copyright 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <asm/page.h>
+#include <asm/thread_info.h>
+#include <asm/asm.h>
+
+	/*
+	 * __kernel_size_t
+	 * __copy_user(void *to, const void *from, __kernel_size_t n)
+	 *
+	 * Returns the number of bytes not copied. Might be off by
+	 * max 3 bytes if we get a fault in the main loop.
+	 *
+	 * The address-space checking functions simply fall through to
+	 * the non-checking version.
+	 */
+	.text
+	.align	1
+	.global	copy_from_user
+	.type	copy_from_user, @function
+copy_from_user:
+	branch_if_kernel r8, __copy_user
+	ret_if_privileged r8, r11, r10, r10
+	rjmp	__copy_user
+	.size	copy_from_user, . - copy_from_user
+
+	.global	copy_to_user
+	.type	copy_to_user, @function
+copy_to_user:
+	branch_if_kernel r8, __copy_user
+	ret_if_privileged r8, r12, r10, r10
+	.size	copy_to_user, . - copy_to_user
+
+	.global	__copy_user
+	.type	__copy_user, @function
+__copy_user:
+	mov	r9, r11
+	andl	r9, 3, COH
+	brne	6f
+
+	/* At this point, from is word-aligned */
+1:	sub	r10, 4
+	brlt	3f
+
+2:
+10:	ld.w	r8, r11++
+11:	st.w	r12++, r8
+	sub	r10, 4
+	brge	2b
+
+3:	sub	r10, -4
+	reteq	0
+
+	/*
+	 * Handle unaligned count. Need to be careful with r10 here so
+	 * that we return the correct value even if we get a fault
+	 */
+4:
+20:	ld.ub	r8, r11++
+21:	st.b	r12++, r8
+	sub	r10, 1
+	reteq	0
+22:	ld.ub	r8, r11++
+23:	st.b	r12++, r8
+	sub	r10, 1
+	reteq	0
+24:	ld.ub	r8, r11++
+25:	st.b	r12++, r8
+	retal	0
+
+	/* Handle unaligned from-pointer */
+6:	cp.w	r10, 4
+	brlt	4b
+	rsub	r9, r9, 4
+
+30:	ld.ub	r8, r11++
+31:	st.b	r12++, r8
+	sub	r10, 1
+	sub	r9, 1
+	breq	1b
+32:	ld.ub	r8, r11++
+33:	st.b	r12++, r8
+	sub	r10, 1
+	sub	r9, 1
+	breq	1b
+34:	ld.ub	r8, r11++
+35:	st.b	r12++, r8
+	sub	r10, 1
+	rjmp	1b
+	.size	__copy_user, . - __copy_user
+
+	.section .fixup,"ax"
+	.align	1
+19:	sub	r10, -4
+29:	retal	r10
+
+	.section __ex_table,"a"
+	.align	2
+	.long	10b, 19b
+	.long	11b, 19b
+	.long	20b, 29b
+	.long	21b, 29b
+	.long	22b, 29b
+	.long	23b, 29b
+	.long	24b, 29b
+	.long	25b, 29b
+	.long	30b, 29b
+	.long	31b, 29b
+	.long	32b, 29b
+	.long	33b, 29b
+	.long	34b, 29b
+	.long	35b, 29b
diff --git a/arch/avr32/lib/csum_partial.S b/arch/avr32/lib/csum_partial.S
new file mode 100644
index 000000000000..6a262b528eb7
--- /dev/null
+++ b/arch/avr32/lib/csum_partial.S
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+	/*
+	 * unsigned int csum_partial(const unsigned char *buff,
+	 *			     int len, unsigned int sum)
+	 */
+	.text
+	.global	csum_partial
+	.type	csum_partial,"function"
+	.align	1
+csum_partial:
+	/* checksum complete words, aligned or not */
+3:	sub	r11, 4
+	brlt	5f
+4:	ld.w	r9, r12++
+	add	r10, r9
+	acr	r10
+	sub	r11, 4
+	brge	4b
+
+	/* return if we had a whole number of words */
+5:	sub	r11, -4
+	reteq	r10
+
+	/* checksum any remaining bytes at the end */
+	mov	r9, 0
+	mov	r8, 0
+	cp	r11, 2
+	brlt	6f
+	ld.uh	r9, r12++
+	sub	r11, 2
+	breq	7f
+	lsl	r9, 16
+6:	ld.ub	r8, r12++
+	lsl	r8, 8
+7:	or	r9, r8
+	add	r10, r9
+	acr	r10
+
+	retal	r10
+	.size	csum_partial, . - csum_partial
diff --git a/arch/avr32/lib/csum_partial_copy_generic.S b/arch/avr32/lib/csum_partial_copy_generic.S
new file mode 100644
index 000000000000..a3a0f9b8929c
--- /dev/null
+++ b/arch/avr32/lib/csum_partial_copy_generic.S
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <asm/errno.h>
+#include <asm/asm.h>
+
+	/*
+	 * unsigned int csum_partial_copy_generic(const char *src, char *dst, int len
+	 *					  int sum, int *src_err_ptr,
+	 *					  int *dst_err_ptr)
+	 *
+	 * Copy src to dst while checksumming, otherwise like csum_partial.
+	 */
+
+	.macro ld_src size, reg, ptr
+9999:	ld.\size \reg, \ptr
+	.section __ex_table, "a"
+	.long	9999b, fixup_ld_src
+	.previous
+	.endm
+
+	.macro st_dst size, ptr, reg
+9999:	st.\size \ptr, \reg
+	.section __ex_table, "a"
+	.long	9999b, fixup_st_dst
+	.previous
+	.endm
+
+	.text
+	.global	csum_partial_copy_generic
+	.type	csum_partial_copy_generic,"function"
+	.align	1
+csum_partial_copy_generic:
+	pushm	r4-r7,lr
+
+	/* The inner loop */
+1:	sub	r10, 4
+	brlt	5f
+2:	ld_src	w, r5, r12++
+	st_dst	w, r11++, r5
+	add	r9, r5
+	acr	r9
+	sub	r10, 4
+	brge	2b
+
+	/* return if we had a whole number of words */
+5:	sub	r10, -4
+	brne	7f
+
+6:	mov	r12, r9
+	popm	r4-r7,pc
+
+	/* handle additional bytes at the tail */
+7:	mov	r5, 0
+	mov	r4, 32
+8:	ld_src	ub, r6, r12++
+	st_dst	b, r11++, r6
+	lsl	r5, 8
+	sub	r4, 8
+	bfins	r5, r6, 0, 8
+	sub	r10, 1
+	brne	8b
+
+	lsl	r5, r5, r4
+	add	r9, r5
+	acr	r9
+	rjmp	6b
+
+	/* Exception handler */
+	.section .fixup,"ax"
+	.align	1
+fixup_ld_src:
+	mov	r9, -EFAULT
+	cp.w	r8, 0
+	breq	1f
+	st.w	r8[0], r9
+
+1:	/*
+	 * TODO: zero the complete destination - computing the rest
+	 * is too much work
+	 */
+
+	mov	r9, 0
+	rjmp	6b
+
+fixup_st_dst:
+	mov	r9, -EFAULT
+	lddsp	r8, sp[20]
+	cp.w	r8, 0
+	breq	1f
+	st.w	r8[0], r9
+1:	mov	r9, 0
+	rjmp	6b
+
+	.previous
diff --git a/arch/avr32/lib/delay.c b/arch/avr32/lib/delay.c
new file mode 100644
index 000000000000..462c8307b680
--- /dev/null
+++ b/arch/avr32/lib/delay.c
@@ -0,0 +1,55 @@
+/*
+ *      Precise Delay Loops for avr32
+ *
+ *      Copyright (C) 1993 Linus Torvalds
+ *      Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
+ *	Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/types.h>
+
+#include <asm/delay.h>
+#include <asm/processor.h>
+#include <asm/sysreg.h>
+
+int read_current_timer(unsigned long *timer_value)
+{
+	*timer_value = sysreg_read(COUNT);
+	return 0;
+}
+
+void __delay(unsigned long loops)
+{
+	unsigned bclock, now;
+
+	bclock = sysreg_read(COUNT);
+	do {
+		now = sysreg_read(COUNT);
+	} while ((now - bclock) < loops);
+}
+
+inline void __const_udelay(unsigned long xloops)
+{
+	unsigned long long loops;
+
+	asm("mulu.d %0, %1, %2"
+	    : "=r"(loops)
+	    : "r"(current_cpu_data.loops_per_jiffy * HZ), "r"(xloops));
+	__delay(loops >> 32);
+}
+
+void __udelay(unsigned long usecs)
+{
+	__const_udelay(usecs * 0x000010c7); /* 2**32 / 1000000 (rounded up) */
+}
+
+void __ndelay(unsigned long nsecs)
+{
+	__const_udelay(nsecs * 0x00005); /* 2**32 / 1000000000 (rounded up) */
+}
diff --git a/arch/avr32/lib/findbit.S b/arch/avr32/lib/findbit.S
new file mode 100644
index 000000000000..2b4856f4bf7c
--- /dev/null
+++ b/arch/avr32/lib/findbit.S
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+
+	.text
+	/*
+	 * unsigned long find_first_zero_bit(const unsigned long *addr,
+	 *				     unsigned long size)
+	 */
+ENTRY(find_first_zero_bit)
+	cp.w	r11, 0
+	reteq	r11
+	mov	r9, r11
+1:	ld.w	r8, r12[0]
+	com	r8
+	brne	.L_found
+	sub	r12, -4
+	sub	r9, 32
+	brgt	1b
+	retal	r11
+
+	/*
+	 * unsigned long find_next_zero_bit(const unsigned long *addr,
+	 *				    unsigned long size,
+	 *				    unsigned long offset)
+	 */
+ENTRY(find_next_zero_bit)
+	lsr	r8, r10, 5
+	sub	r9, r11, r10
+	retle	r11
+
+	lsl	r8, 2
+	add	r12, r8
+	andl	r10, 31, COH
+	breq	1f
+
+	/* offset is not word-aligned. Handle the first (32 - r10) bits */
+	ld.w	r8, r12[0]
+	com	r8
+	sub	r12, -4
+	lsr	r8, r8, r10
+	brne	.L_found
+
+	/* r9 = r9 - (32 - r10) = r9 + r10 - 32 */
+	add	r9, r10
+	sub	r9, 32
+	retle	r11
+
+	/* Main loop. offset must be word-aligned */
+1:	ld.w	r8, r12[0]
+	com	r8
+	brne	.L_found
+	sub	r12, -4
+	sub	r9, 32
+	brgt	1b
+	retal	r11
+
+	/* Common return path for when a bit is actually found. */
+.L_found:
+	brev	r8
+	clz	r10, r8
+	rsub	r9, r11
+	add	r10, r9
+
+	/* XXX: If we don't have to return exactly "size" when the bit
+	   is not found, we may drop this "min" thing */
+	min	r12, r11, r10
+	retal	r12
+
+	/*
+	 * unsigned long find_first_bit(const unsigned long *addr,
+	 *				unsigned long size)
+	 */
+ENTRY(find_first_bit)
+	cp.w	r11, 0
+	reteq	r11
+	mov	r9, r11
+1:	ld.w	r8, r12[0]
+	cp.w	r8, 0
+	brne	.L_found
+	sub	r12, -4
+	sub	r9, 32
+	brgt	1b
+	retal	r11
+
+	/*
+	 * unsigned long find_next_bit(const unsigned long *addr,
+	 *			       unsigned long size,
+	 *			       unsigned long offset)
+	 */
+ENTRY(find_next_bit)
+	lsr	r8, r10, 5
+	sub	r9, r11, r10
+	retle	r11
+
+	lsl	r8, 2
+	add	r12, r8
+	andl	r10, 31, COH
+	breq	1f
+
+	/* offset is not word-aligned. Handle the first (32 - r10) bits */
+	ld.w	r8, r12[0]
+	sub	r12, -4
+	lsr	r8, r8, r10
+	brne	.L_found
+
+	/* r9 = r9 - (32 - r10) = r9 + r10 - 32 */
+	add	r9, r10
+	sub	r9, 32
+	retle	r11
+
+	/* Main loop. offset must be word-aligned */
+1:	ld.w	r8, r12[0]
+	cp.w	r8, 0
+	brne	.L_found
+	sub	r12, -4
+	sub	r9, 32
+	brgt	1b
+	retal	r11
+
+ENTRY(generic_find_next_zero_le_bit)
+	lsr	r8, r10, 5
+	sub	r9, r11, r10
+	retle	r11
+
+	lsl	r8, 2
+	add	r12, r8
+	andl	r10, 31, COH
+	breq	1f
+
+	/* offset is not word-aligned. Handle the first (32 - r10) bits */
+	ldswp.w	r8, r12[0]
+	sub	r12, -4
+	lsr	r8, r8, r10
+	brne	.L_found
+
+	/* r9 = r9 - (32 - r10) = r9 + r10 - 32 */
+	add	r9, r10
+	sub	r9, 32
+	retle	r11
+
+	/* Main loop. offset must be word-aligned */
+1:	ldswp.w	r8, r12[0]
+	cp.w	r8, 0
+	brne	.L_found
+	sub	r12, -4
+	sub	r9, 32
+	brgt	1b
+	retal	r11
diff --git a/arch/avr32/lib/io-readsl.S b/arch/avr32/lib/io-readsl.S
new file mode 100644
index 000000000000..b103511ed6c4
--- /dev/null
+++ b/arch/avr32/lib/io-readsl.S
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+	.global	__raw_readsl
+	.type	__raw_readsl,@function
+__raw_readsl:
+	cp.w	r10, 0
+	reteq	r12
+
+	/*
+	 * If r11 isn't properly aligned, we might get an exception on
+	 * some implementations. But there's not much we can do about it.
+	 */
+1:	ld.w	r8, r12[0]
+	sub	r10, 1
+	st.w	r11++, r8
+	brne	1b
+
+	retal	r12
diff --git a/arch/avr32/lib/io-readsw.S b/arch/avr32/lib/io-readsw.S
new file mode 100644
index 000000000000..456be9909027
--- /dev/null
+++ b/arch/avr32/lib/io-readsw.S
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+.Lnot_word_aligned:
+	/*
+	 * Bad alignment will cause a hardware exception, which is as
+	 * good as anything. No need for us to check for proper alignment.
+	 */
+	ld.uh	r8, r12[0]
+	sub	r10, 1
+	st.h	r11++, r8
+
+	/* fall through */
+
+	.global	__raw_readsw
+	.type	__raw_readsw,@function
+__raw_readsw:
+	cp.w	r10, 0
+	reteq	r12
+	mov	r9, 3
+	tst	r11, r9
+	brne	.Lnot_word_aligned
+
+	sub	r10, 2
+	brlt	2f
+
+1:	ldins.h	r8:t, r12[0]
+	ldins.h	r8:b, r12[0]
+	st.w	r11++, r8
+	sub	r10, 2
+	brge	1b
+
+2:	sub	r10, -2
+	reteq	r12
+
+	ld.uh	r8, r12[0]
+	st.h	r11++, r8
+	retal	r12
diff --git a/arch/avr32/lib/io-writesl.S b/arch/avr32/lib/io-writesl.S
new file mode 100644
index 000000000000..22138b3a16e5
--- /dev/null
+++ b/arch/avr32/lib/io-writesl.S
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+	.global	__raw_writesl
+	.type	__raw_writesl,@function
+__raw_writesl:
+	cp.w	r10, 0
+	reteq	r12
+
+1:	ld.w	r8, r11++
+	sub	r10, 1
+	st.w	r12[0], r8
+	brne	1b
+
+	retal	r12
diff --git a/arch/avr32/lib/io-writesw.S b/arch/avr32/lib/io-writesw.S
new file mode 100644
index 000000000000..8c4a53f1c52a
--- /dev/null
+++ b/arch/avr32/lib/io-writesw.S
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+.Lnot_word_aligned:
+	ld.uh	r8, r11++
+	sub	r10, 1
+	st.h	r12[0], r8
+
+	.global	__raw_writesw
+	.type	__raw_writesw,@function
+__raw_writesw:
+	cp.w	r10, 0
+	mov	r9, 3
+	reteq	r12
+	tst	r11, r9
+	brne	.Lnot_word_aligned
+
+	sub	r10, 2
+	brlt	2f
+
+1:	ld.w	r8, r11++
+	bfextu	r9, r8, 16, 16
+	st.h	r12[0], r9
+	st.h	r12[0], r8
+	sub	r10, 2
+	brge	1b
+
+2:	sub	r10, -2
+	reteq	r12
+
+	ld.uh	r8, r11++
+	st.h	r12[0], r8
+	retal	r12
diff --git a/arch/avr32/lib/libgcc.h b/arch/avr32/lib/libgcc.h
new file mode 100644
index 000000000000..5a091b5e3618
--- /dev/null
+++ b/arch/avr32/lib/libgcc.h
@@ -0,0 +1,33 @@
+/* Definitions for various functions 'borrowed' from gcc-3.4.3 */
+
+#define BITS_PER_UNIT	8
+
+typedef		 int QItype	__attribute__ ((mode (QI)));
+typedef unsigned int UQItype	__attribute__ ((mode (QI)));
+typedef		 int HItype	__attribute__ ((mode (HI)));
+typedef unsigned int UHItype	__attribute__ ((mode (HI)));
+typedef 	 int SItype	__attribute__ ((mode (SI)));
+typedef unsigned int USItype	__attribute__ ((mode (SI)));
+typedef		 int DItype	__attribute__ ((mode (DI)));
+typedef unsigned int UDItype	__attribute__ ((mode (DI)));
+typedef 	float SFtype	__attribute__ ((mode (SF)));
+typedef		float DFtype	__attribute__ ((mode (DF)));
+typedef int word_type __attribute__ ((mode (__word__)));
+
+#define W_TYPE_SIZE (4 * BITS_PER_UNIT)
+#define Wtype	SItype
+#define UWtype	USItype
+#define HWtype	SItype
+#define UHWtype	USItype
+#define DWtype	DItype
+#define UDWtype	UDItype
+#define __NW(a,b)	__ ## a ## si ## b
+#define __NDW(a,b)	__ ## a ## di ## b
+
+struct DWstruct {Wtype high, low;};
+
+typedef union
+{
+  struct DWstruct s;
+  DWtype ll;
+} DWunion;
diff --git a/arch/avr32/lib/longlong.h b/arch/avr32/lib/longlong.h
new file mode 100644
index 000000000000..cd5e369ac437
--- /dev/null
+++ b/arch/avr32/lib/longlong.h
@@ -0,0 +1,98 @@
+/* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
+   Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000
+   Free Software Foundation, Inc.
+
+   This definition file is free software; you can redistribute it
+   and/or modify it under the terms of the GNU General Public
+   License as published by the Free Software Foundation; either
+   version 2, or (at your option) any later version.
+
+   This definition file is distributed in the hope that it will be
+   useful, but WITHOUT ANY WARRANTY; without even the implied
+   warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+   See the GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* Borrowed from gcc-3.4.3 */
+
+#define __BITS4 (W_TYPE_SIZE / 4)
+#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2))
+#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1))
+#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2))
+
+#define count_leading_zeros(count, x) ((count) = __builtin_clz(x))
+
+#define __udiv_qrnnd_c(q, r, n1, n0, d) \
+  do {									\
+    UWtype __d1, __d0, __q1, __q0;					\
+    UWtype __r1, __r0, __m;						\
+    __d1 = __ll_highpart (d);						\
+    __d0 = __ll_lowpart (d);						\
+									\
+    __r1 = (n1) % __d1;							\
+    __q1 = (n1) / __d1;							\
+    __m = (UWtype) __q1 * __d0;						\
+    __r1 = __r1 * __ll_B | __ll_highpart (n0);				\
+    if (__r1 < __m)							\
+      {									\
+	__q1--, __r1 += (d);						\
+	if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\
+	  if (__r1 < __m)						\
+	    __q1--, __r1 += (d);					\
+      }									\
+    __r1 -= __m;							\
+									\
+    __r0 = __r1 % __d1;							\
+    __q0 = __r1 / __d1;							\
+    __m = (UWtype) __q0 * __d0;						\
+    __r0 = __r0 * __ll_B | __ll_lowpart (n0);				\
+    if (__r0 < __m)							\
+      {									\
+	__q0--, __r0 += (d);						\
+	if (__r0 >= (d))						\
+	  if (__r0 < __m)						\
+	    __q0--, __r0 += (d);					\
+      }									\
+    __r0 -= __m;							\
+									\
+    (q) = (UWtype) __q1 * __ll_B | __q0;				\
+    (r) = __r0;								\
+  } while (0)
+
+#define udiv_qrnnd __udiv_qrnnd_c
+
+#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
+  do {									\
+    UWtype __x;								\
+    __x = (al) - (bl);							\
+    (sh) = (ah) - (bh) - (__x > (al));					\
+    (sl) = __x;								\
+  } while (0)
+
+#define umul_ppmm(w1, w0, u, v)						\
+  do {									\
+    UWtype __x0, __x1, __x2, __x3;					\
+    UHWtype __ul, __vl, __uh, __vh;					\
+									\
+    __ul = __ll_lowpart (u);						\
+    __uh = __ll_highpart (u);						\
+    __vl = __ll_lowpart (v);						\
+    __vh = __ll_highpart (v);						\
+									\
+    __x0 = (UWtype) __ul * __vl;					\
+    __x1 = (UWtype) __ul * __vh;					\
+    __x2 = (UWtype) __uh * __vl;					\
+    __x3 = (UWtype) __uh * __vh;					\
+									\
+    __x1 += __ll_highpart (__x0);/* this can't give carry */		\
+    __x1 += __x2;		/* but this indeed can */		\
+    if (__x1 < __x2)		/* did we get it? */			\
+      __x3 += __ll_B;		/* yes, add it in the proper pos.  */	\
+									\
+    (w1) = __x3 + __ll_highpart (__x1);					\
+    (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0);		\
+  } while (0)
diff --git a/arch/avr32/lib/memcpy.S b/arch/avr32/lib/memcpy.S
new file mode 100644
index 000000000000..0abb26142b64
--- /dev/null
+++ b/arch/avr32/lib/memcpy.S
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+	/*
+	 * void *memcpy(void *to, const void *from, unsigned long n)
+	 *
+	 * This implementation does word-aligned loads in the main loop,
+	 * possibly sacrificing alignment of stores.
+	 *
+	 * Hopefully, in most cases, both "to" and "from" will be
+	 * word-aligned to begin with.
+	 */
+	.text
+	.global	memcpy
+	.type	memcpy, @function
+memcpy:
+	mov	r9, r11
+	andl	r9, 3, COH
+	brne	1f
+
+	/* At this point, "from" is word-aligned */
+2:	sub	r10, 4
+	mov	r9, r12
+	brlt	4f
+
+3:	ld.w	r8, r11++
+	sub	r10, 4
+	st.w	r12++, r8
+	brge	3b
+
+4:	neg	r10
+	reteq	r9
+
+	/* Handle unaligned count */
+	lsl	r10, 2
+	add	pc, pc, r10
+	ld.ub	r8, r11++
+	st.b	r12++, r8
+	ld.ub	r8, r11++
+	st.b	r12++, r8
+	ld.ub	r8, r11++
+	st.b	r12++, r8
+	retal	r9
+
+	/* Handle unaligned "from" pointer */
+1:	sub	r10, 4
+	brlt	4b
+	add	r10, r9
+	lsl	r9, 2
+	add	pc, pc, r9
+	ld.ub	r8, r11++
+	st.b	r12++, r8
+	ld.ub	r8, r11++
+	st.b	r12++, r8
+	ld.ub	r8, r11++
+	st.b	r12++, r8
+	rjmp	2b
diff --git a/arch/avr32/lib/memset.S b/arch/avr32/lib/memset.S
new file mode 100644
index 000000000000..40da32c0480c
--- /dev/null
+++ b/arch/avr32/lib/memset.S
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * Based on linux/arch/arm/lib/memset.S
+ *   Copyright (C) 1995-2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * ASM optimised string functions
+ */
+#include <asm/asm.h>
+
+	/*
+	 * r12:	void *b
+	 * r11:	int c
+	 * r10:	size_t len
+	 *
+	 * Returns b in r12
+	 */
+	.text
+	.global	memset
+	.type	memset, @function
+	.align	5
+memset:
+	mov	r9, r12
+	mov	r8, r12
+	or	r11, r11, r11 << 8
+	andl	r9, 3, COH
+	brne	1f
+
+2:	or	r11, r11, r11 << 16
+	sub	r10, 4
+	brlt	5f
+
+	/* Let's do some real work */
+4:	st.w	r8++, r11
+	sub	r10, 4
+	brge	4b
+
+	/*
+	 * When we get here, we've got less than 4 bytes to set. r10
+	 * might be negative.
+	 */
+5:	sub	r10, -4
+	reteq	r12
+
+	/* Fastpath ends here, exactly 32 bytes from memset */
+
+	/* Handle unaligned count or pointer */
+	bld	r10, 1
+	brcc	6f
+	st.b	r8++, r11
+	st.b	r8++, r11
+	bld	r10, 0
+	retcc	r12
+6:	st.b	r8++, r11
+	retal	r12
+
+	/* Handle unaligned pointer */
+1:	sub	r10, 4
+	brlt	5b
+	add	r10, r9
+	lsl	r9, 1
+	add	pc, r9
+	st.b	r8++, r11
+	st.b	r8++, r11
+	st.b	r8++, r11
+	rjmp	2b
+
+	.size	memset, . - memset
diff --git a/arch/avr32/lib/strncpy_from_user.S b/arch/avr32/lib/strncpy_from_user.S
new file mode 100644
index 000000000000..72bd50599ec6
--- /dev/null
+++ b/arch/avr32/lib/strncpy_from_user.S
@@ -0,0 +1,60 @@
+/*
+ * Copy to/from userspace with optional address space checking.
+ *
+ * Copyright 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/errno.h>
+
+#include <asm/page.h>
+#include <asm/thread_info.h>
+#include <asm/asm.h>
+
+	/*
+	 * long strncpy_from_user(char *dst, const char *src, long count)
+	 *
+	 * On success, returns the length of the string, not including
+	 * the terminating NUL.
+	 *
+	 * If the string is longer than count, returns count
+	 *
+	 * If userspace access fails, returns -EFAULT
+	 */
+	.text
+	.align	1
+	.global	strncpy_from_user
+	.type	strncpy_from_user, "function"
+strncpy_from_user:
+	mov	r9, -EFAULT
+	branch_if_kernel r8, __strncpy_from_user
+	ret_if_privileged r8, r11, r10, r9
+
+	.global	__strncpy_from_user
+	.type	__strncpy_from_user, "function"
+__strncpy_from_user:
+	cp.w	r10, 0
+	reteq	0
+
+	mov	r9, r10
+
+1:	ld.ub	r8, r11++
+	st.b	r12++, r8
+	cp.w	r8, 0
+	breq	2f
+	sub	r9, 1
+	brne	1b
+
+2:	sub	r10, r9
+	retal	r10
+
+	.section .fixup, "ax"
+	.align	1
+3:	mov	r12, -EFAULT
+	retal	r12
+
+	.section __ex_table, "a"
+	.align	2
+	.long	1b, 3b
diff --git a/arch/avr32/lib/strnlen_user.S b/arch/avr32/lib/strnlen_user.S
new file mode 100644
index 000000000000..65ce11afa66a
--- /dev/null
+++ b/arch/avr32/lib/strnlen_user.S
@@ -0,0 +1,67 @@
+/*
+ * Copy to/from userspace with optional address space checking.
+ *
+ * Copyright 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <asm/page.h>
+#include <asm/thread_info.h>
+#include <asm/processor.h>
+#include <asm/asm.h>
+
+	.text
+	.align	1
+	.global	strnlen_user
+	.type	strnlen_user, "function"
+strnlen_user:
+	branch_if_kernel r8, __strnlen_user
+	sub	r8, r11, 1
+	add	r8, r12
+	retcs	0
+	brmi	adjust_length	/* do a closer inspection */
+
+	.global	__strnlen_user
+	.type	__strnlen_user, "function"
+__strnlen_user:
+	mov	r10, r12
+
+10:	ld.ub	r8, r12++
+	cp.w	r8, 0
+	breq	2f
+	sub	r11, 1
+	brne	10b
+
+	sub	r12, -1
+2:	sub	r12, r10
+	retal	r12
+
+
+	.type	adjust_length, "function"
+adjust_length:
+	cp.w	r12, 0		/* addr must always be < TASK_SIZE */
+	retmi	0
+
+	pushm	lr
+	lddpc	lr, _task_size
+	sub	r11, lr, r12
+	mov	r9, r11
+	rcall	__strnlen_user
+	cp.w	r12, r9
+	brgt	1f
+	popm	pc
+1:	popm	pc, r12=0
+
+	.align	2
+_task_size:
+	.long	TASK_SIZE
+
+	.section .fixup, "ax"
+	.align	1
+19:	retal	0
+
+	.section __ex_table, "a"
+	.align	2
+	.long	10b, 19b
diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile
new file mode 100644
index 000000000000..f62eb6915510
--- /dev/null
+++ b/arch/avr32/mach-at32ap/Makefile
@@ -0,0 +1,2 @@
+obj-y				+= at32ap.o clock.o pio.o intc.o extint.o hsmc.o
+obj-$(CONFIG_CPU_AT32AP7000)	+= at32ap7000.o
diff --git a/arch/avr32/mach-at32ap/at32ap.c b/arch/avr32/mach-at32ap/at32ap.c
new file mode 100644
index 000000000000..f7cedf5aabea
--- /dev/null
+++ b/arch/avr32/mach-at32ap/at32ap.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/io.h>
+
+#include <asm/arch/init.h>
+#include <asm/arch/sm.h>
+
+struct at32_sm system_manager;
+
+static int __init at32_sm_init(void)
+{
+	struct resource *regs;
+	struct at32_sm *sm = &system_manager;
+	int ret = -ENXIO;
+
+	regs = platform_get_resource(&at32_sm_device, IORESOURCE_MEM, 0);
+	if (!regs)
+		goto fail;
+
+	spin_lock_init(&sm->lock);
+	sm->pdev = &at32_sm_device;
+
+	ret = -ENOMEM;
+	sm->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!sm->regs)
+		goto fail;
+
+	return 0;
+
+fail:
+	printk(KERN_ERR "Failed to initialize System Manager: %d\n", ret);
+	return ret;
+}
+
+void __init setup_platform(void)
+{
+	at32_sm_init();
+	at32_clock_init();
+	at32_portmux_init();
+
+	/* FIXME: This doesn't belong here */
+	at32_setup_serial_console(1);
+}
+
+static int __init pdc_probe(struct platform_device *pdev)
+{
+	struct clk *pclk, *hclk;
+
+	pclk = clk_get(&pdev->dev, "pclk");
+	if (IS_ERR(pclk)) {
+		dev_err(&pdev->dev, "no pclk defined\n");
+		return PTR_ERR(pclk);
+	}
+	hclk = clk_get(&pdev->dev, "hclk");
+	if (IS_ERR(hclk)) {
+		dev_err(&pdev->dev, "no hclk defined\n");
+		clk_put(pclk);
+		return PTR_ERR(hclk);
+	}
+
+	clk_enable(pclk);
+	clk_enable(hclk);
+
+	dev_info(&pdev->dev, "Atmel Peripheral DMA Controller enabled\n");
+	return 0;
+}
+
+static struct platform_driver pdc_driver = {
+	.probe		= pdc_probe,
+	.driver		= {
+		.name	= "pdc",
+	},
+};
+
+static int __init pdc_init(void)
+{
+	return platform_driver_register(&pdc_driver);
+}
+arch_initcall(pdc_init);
diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c
new file mode 100644
index 000000000000..37982b60398e
--- /dev/null
+++ b/arch/avr32/mach-at32ap/at32ap7000.c
@@ -0,0 +1,876 @@
+/*
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/clk.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/io.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/portmux.h>
+#include <asm/arch/sm.h>
+
+#include "clock.h"
+#include "pio.h"
+#include "sm.h"
+
+#define PBMEM(base)					\
+	{						\
+		.start		= base,			\
+		.end		= base + 0x3ff,		\
+		.flags		= IORESOURCE_MEM,	\
+	}
+#define IRQ(num)					\
+	{						\
+		.start		= num,			\
+		.end		= num,			\
+		.flags		= IORESOURCE_IRQ,	\
+	}
+#define NAMED_IRQ(num, _name)				\
+	{						\
+		.start		= num,			\
+		.end		= num,			\
+		.name		= _name,		\
+		.flags		= IORESOURCE_IRQ,	\
+	}
+
+#define DEFINE_DEV(_name, _id)					\
+static struct platform_device _name##_id##_device = {		\
+	.name		= #_name,				\
+	.id		= _id,					\
+	.resource	= _name##_id##_resource,		\
+	.num_resources	= ARRAY_SIZE(_name##_id##_resource),	\
+}
+#define DEFINE_DEV_DATA(_name, _id)				\
+static struct platform_device _name##_id##_device = {		\
+	.name		= #_name,				\
+	.id		= _id,					\
+	.dev		= {					\
+		.platform_data	= &_name##_id##_data,		\
+	},							\
+	.resource	= _name##_id##_resource,		\
+	.num_resources	= ARRAY_SIZE(_name##_id##_resource),	\
+}
+
+#define DEV_CLK(_name, devname, bus, _index)			\
+static struct clk devname##_##_name = {				\
+	.name		= #_name,				\
+	.dev		= &devname##_device.dev,		\
+	.parent		= &bus##_clk,				\
+	.mode		= bus##_clk_mode,			\
+	.get_rate	= bus##_clk_get_rate,			\
+	.index		= _index,				\
+}
+
+enum {
+	PIOA,
+	PIOB,
+	PIOC,
+	PIOD,
+};
+
+enum {
+	FUNC_A,
+	FUNC_B,
+};
+
+unsigned long at32ap7000_osc_rates[3] = {
+	[0] = 32768,
+	/* FIXME: these are ATSTK1002-specific */
+	[1] = 20000000,
+	[2] = 12000000,
+};
+
+static unsigned long osc_get_rate(struct clk *clk)
+{
+	return at32ap7000_osc_rates[clk->index];
+}
+
+static unsigned long pll_get_rate(struct clk *clk, unsigned long control)
+{
+	unsigned long div, mul, rate;
+
+	if (!(control & SM_BIT(PLLEN)))
+		return 0;
+
+	div = SM_BFEXT(PLLDIV, control) + 1;
+	mul = SM_BFEXT(PLLMUL, control) + 1;
+
+	rate = clk->parent->get_rate(clk->parent);
+	rate = (rate + div / 2) / div;
+	rate *= mul;
+
+	return rate;
+}
+
+static unsigned long pll0_get_rate(struct clk *clk)
+{
+	u32 control;
+
+	control = sm_readl(&system_manager, PM_PLL0);
+
+	return pll_get_rate(clk, control);
+}
+
+static unsigned long pll1_get_rate(struct clk *clk)
+{
+	u32 control;
+
+	control = sm_readl(&system_manager, PM_PLL1);
+
+	return pll_get_rate(clk, control);
+}
+
+/*
+ * The AT32AP7000 has five primary clock sources: One 32kHz
+ * oscillator, two crystal oscillators and two PLLs.
+ */
+static struct clk osc32k = {
+	.name		= "osc32k",
+	.get_rate	= osc_get_rate,
+	.users		= 1,
+	.index		= 0,
+};
+static struct clk osc0 = {
+	.name		= "osc0",
+	.get_rate	= osc_get_rate,
+	.users		= 1,
+	.index		= 1,
+};
+static struct clk osc1 = {
+	.name		= "osc1",
+	.get_rate	= osc_get_rate,
+	.index		= 2,
+};
+static struct clk pll0 = {
+	.name		= "pll0",
+	.get_rate	= pll0_get_rate,
+	.parent		= &osc0,
+};
+static struct clk pll1 = {
+	.name		= "pll1",
+	.get_rate	= pll1_get_rate,
+	.parent		= &osc0,
+};
+
+/*
+ * The main clock can be either osc0 or pll0.  The boot loader may
+ * have chosen one for us, so we don't really know which one until we
+ * have a look at the SM.
+ */
+static struct clk *main_clock;
+
+/*
+ * Synchronous clocks are generated from the main clock. The clocks
+ * must satisfy the constraint
+ *   fCPU >= fHSB >= fPB
+ * i.e. each clock must not be faster than its parent.
+ */
+static unsigned long bus_clk_get_rate(struct clk *clk, unsigned int shift)
+{
+	return main_clock->get_rate(main_clock) >> shift;
+};
+
+static void cpu_clk_mode(struct clk *clk, int enabled)
+{
+	struct at32_sm *sm = &system_manager;
+	unsigned long flags;
+	u32 mask;
+
+	spin_lock_irqsave(&sm->lock, flags);
+	mask = sm_readl(sm, PM_CPU_MASK);
+	if (enabled)
+		mask |= 1 << clk->index;
+	else
+		mask &= ~(1 << clk->index);
+	sm_writel(sm, PM_CPU_MASK, mask);
+	spin_unlock_irqrestore(&sm->lock, flags);
+}
+
+static unsigned long cpu_clk_get_rate(struct clk *clk)
+{
+	unsigned long cksel, shift = 0;
+
+	cksel = sm_readl(&system_manager, PM_CKSEL);
+	if (cksel & SM_BIT(CPUDIV))
+		shift = SM_BFEXT(CPUSEL, cksel) + 1;
+
+	return bus_clk_get_rate(clk, shift);
+}
+
+static void hsb_clk_mode(struct clk *clk, int enabled)
+{
+	struct at32_sm *sm = &system_manager;
+	unsigned long flags;
+	u32 mask;
+
+	spin_lock_irqsave(&sm->lock, flags);
+	mask = sm_readl(sm, PM_HSB_MASK);
+	if (enabled)
+		mask |= 1 << clk->index;
+	else
+		mask &= ~(1 << clk->index);
+	sm_writel(sm, PM_HSB_MASK, mask);
+	spin_unlock_irqrestore(&sm->lock, flags);
+}
+
+static unsigned long hsb_clk_get_rate(struct clk *clk)
+{
+	unsigned long cksel, shift = 0;
+
+	cksel = sm_readl(&system_manager, PM_CKSEL);
+	if (cksel & SM_BIT(HSBDIV))
+		shift = SM_BFEXT(HSBSEL, cksel) + 1;
+
+	return bus_clk_get_rate(clk, shift);
+}
+
+static void pba_clk_mode(struct clk *clk, int enabled)
+{
+	struct at32_sm *sm = &system_manager;
+	unsigned long flags;
+	u32 mask;
+
+	spin_lock_irqsave(&sm->lock, flags);
+	mask = sm_readl(sm, PM_PBA_MASK);
+	if (enabled)
+		mask |= 1 << clk->index;
+	else
+		mask &= ~(1 << clk->index);
+	sm_writel(sm, PM_PBA_MASK, mask);
+	spin_unlock_irqrestore(&sm->lock, flags);
+}
+
+static unsigned long pba_clk_get_rate(struct clk *clk)
+{
+	unsigned long cksel, shift = 0;
+
+	cksel = sm_readl(&system_manager, PM_CKSEL);
+	if (cksel & SM_BIT(PBADIV))
+		shift = SM_BFEXT(PBASEL, cksel) + 1;
+
+	return bus_clk_get_rate(clk, shift);
+}
+
+static void pbb_clk_mode(struct clk *clk, int enabled)
+{
+	struct at32_sm *sm = &system_manager;
+	unsigned long flags;
+	u32 mask;
+
+	spin_lock_irqsave(&sm->lock, flags);
+	mask = sm_readl(sm, PM_PBB_MASK);
+	if (enabled)
+		mask |= 1 << clk->index;
+	else
+		mask &= ~(1 << clk->index);
+	sm_writel(sm, PM_PBB_MASK, mask);
+	spin_unlock_irqrestore(&sm->lock, flags);
+}
+
+static unsigned long pbb_clk_get_rate(struct clk *clk)
+{
+	unsigned long cksel, shift = 0;
+
+	cksel = sm_readl(&system_manager, PM_CKSEL);
+	if (cksel & SM_BIT(PBBDIV))
+		shift = SM_BFEXT(PBBSEL, cksel) + 1;
+
+	return bus_clk_get_rate(clk, shift);
+}
+
+static struct clk cpu_clk = {
+	.name		= "cpu",
+	.get_rate	= cpu_clk_get_rate,
+	.users		= 1,
+};
+static struct clk hsb_clk = {
+	.name		= "hsb",
+	.parent		= &cpu_clk,
+	.get_rate	= hsb_clk_get_rate,
+};
+static struct clk pba_clk = {
+	.name		= "pba",
+	.parent		= &hsb_clk,
+	.mode		= hsb_clk_mode,
+	.get_rate	= pba_clk_get_rate,
+	.index		= 1,
+};
+static struct clk pbb_clk = {
+	.name		= "pbb",
+	.parent		= &hsb_clk,
+	.mode		= hsb_clk_mode,
+	.get_rate	= pbb_clk_get_rate,
+	.users		= 1,
+	.index		= 2,
+};
+
+/* --------------------------------------------------------------------
+ *  Generic Clock operations
+ * -------------------------------------------------------------------- */
+
+static void genclk_mode(struct clk *clk, int enabled)
+{
+	u32 control;
+
+	BUG_ON(clk->index > 7);
+
+	control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+	if (enabled)
+		control |= SM_BIT(CEN);
+	else
+		control &= ~SM_BIT(CEN);
+	sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control);
+}
+
+static unsigned long genclk_get_rate(struct clk *clk)
+{
+	u32 control;
+	unsigned long div = 1;
+
+	BUG_ON(clk->index > 7);
+
+	if (!clk->parent)
+		return 0;
+
+	control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+	if (control & SM_BIT(DIVEN))
+		div = 2 * (SM_BFEXT(DIV, control) + 1);
+
+	return clk->parent->get_rate(clk->parent) / div;
+}
+
+static long genclk_set_rate(struct clk *clk, unsigned long rate, int apply)
+{
+	u32 control;
+	unsigned long parent_rate, actual_rate, div;
+
+	BUG_ON(clk->index > 7);
+
+	if (!clk->parent)
+		return 0;
+
+	parent_rate = clk->parent->get_rate(clk->parent);
+	control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+
+	if (rate > 3 * parent_rate / 4) {
+		actual_rate = parent_rate;
+		control &= ~SM_BIT(DIVEN);
+	} else {
+		div = (parent_rate + rate) / (2 * rate) - 1;
+		control = SM_BFINS(DIV, div, control) | SM_BIT(DIVEN);
+		actual_rate = parent_rate / (2 * (div + 1));
+	}
+
+	printk("clk %s: new rate %lu (actual rate %lu)\n",
+	       clk->name, rate, actual_rate);
+
+	if (apply)
+		sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index,
+			  control);
+
+	return actual_rate;
+}
+
+int genclk_set_parent(struct clk *clk, struct clk *parent)
+{
+	u32 control;
+
+	BUG_ON(clk->index > 7);
+
+	printk("clk %s: new parent %s (was %s)\n",
+	       clk->name, parent->name,
+	       clk->parent ? clk->parent->name : "(null)");
+
+	control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+
+	if (parent == &osc1 || parent == &pll1)
+		control |= SM_BIT(OSCSEL);
+	else if (parent == &osc0 || parent == &pll0)
+		control &= ~SM_BIT(OSCSEL);
+	else
+		return -EINVAL;
+
+	if (parent == &pll0 || parent == &pll1)
+		control |= SM_BIT(PLLSEL);
+	else
+		control &= ~SM_BIT(PLLSEL);
+
+	sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control);
+	clk->parent = parent;
+
+	return 0;
+}
+
+/* --------------------------------------------------------------------
+ *  System peripherals
+ * -------------------------------------------------------------------- */
+static struct resource sm_resource[] = {
+	PBMEM(0xfff00000),
+	NAMED_IRQ(19, "eim"),
+	NAMED_IRQ(20, "pm"),
+	NAMED_IRQ(21, "rtc"),
+};
+struct platform_device at32_sm_device = {
+	.name		= "sm",
+	.id		= 0,
+	.resource	= sm_resource,
+	.num_resources	= ARRAY_SIZE(sm_resource),
+};
+DEV_CLK(pclk, at32_sm, pbb, 0);
+
+static struct resource intc0_resource[] = {
+	PBMEM(0xfff00400),
+};
+struct platform_device at32_intc0_device = {
+	.name		= "intc",
+	.id		= 0,
+	.resource	= intc0_resource,
+	.num_resources	= ARRAY_SIZE(intc0_resource),
+};
+DEV_CLK(pclk, at32_intc0, pbb, 1);
+
+static struct clk ebi_clk = {
+	.name		= "ebi",
+	.parent		= &hsb_clk,
+	.mode		= hsb_clk_mode,
+	.get_rate	= hsb_clk_get_rate,
+	.users		= 1,
+};
+static struct clk hramc_clk = {
+	.name		= "hramc",
+	.parent		= &hsb_clk,
+	.mode		= hsb_clk_mode,
+	.get_rate	= hsb_clk_get_rate,
+	.users		= 1,
+};
+
+static struct resource smc0_resource[] = {
+	PBMEM(0xfff03400),
+};
+DEFINE_DEV(smc, 0);
+DEV_CLK(pclk, smc0, pbb, 13);
+DEV_CLK(mck, smc0, hsb, 0);
+
+static struct platform_device pdc_device = {
+	.name		= "pdc",
+	.id		= 0,
+};
+DEV_CLK(hclk, pdc, hsb, 4);
+DEV_CLK(pclk, pdc, pba, 16);
+
+static struct clk pico_clk = {
+	.name		= "pico",
+	.parent		= &cpu_clk,
+	.mode		= cpu_clk_mode,
+	.get_rate	= cpu_clk_get_rate,
+	.users		= 1,
+};
+
+/* --------------------------------------------------------------------
+ *  PIO
+ * -------------------------------------------------------------------- */
+
+static struct resource pio0_resource[] = {
+	PBMEM(0xffe02800),
+	IRQ(13),
+};
+DEFINE_DEV(pio, 0);
+DEV_CLK(mck, pio0, pba, 10);
+
+static struct resource pio1_resource[] = {
+	PBMEM(0xffe02c00),
+	IRQ(14),
+};
+DEFINE_DEV(pio, 1);
+DEV_CLK(mck, pio1, pba, 11);
+
+static struct resource pio2_resource[] = {
+	PBMEM(0xffe03000),
+	IRQ(15),
+};
+DEFINE_DEV(pio, 2);
+DEV_CLK(mck, pio2, pba, 12);
+
+static struct resource pio3_resource[] = {
+	PBMEM(0xffe03400),
+	IRQ(16),
+};
+DEFINE_DEV(pio, 3);
+DEV_CLK(mck, pio3, pba, 13);
+
+void __init at32_add_system_devices(void)
+{
+	system_manager.eim_first_irq = NR_INTERNAL_IRQS;
+
+	platform_device_register(&at32_sm_device);
+	platform_device_register(&at32_intc0_device);
+	platform_device_register(&smc0_device);
+	platform_device_register(&pdc_device);
+
+	platform_device_register(&pio0_device);
+	platform_device_register(&pio1_device);
+	platform_device_register(&pio2_device);
+	platform_device_register(&pio3_device);
+}
+
+/* --------------------------------------------------------------------
+ *  USART
+ * -------------------------------------------------------------------- */
+
+static struct resource usart0_resource[] = {
+	PBMEM(0xffe00c00),
+	IRQ(7),
+};
+DEFINE_DEV(usart, 0);
+DEV_CLK(usart, usart0, pba, 4);
+
+static struct resource usart1_resource[] = {
+	PBMEM(0xffe01000),
+	IRQ(7),
+};
+DEFINE_DEV(usart, 1);
+DEV_CLK(usart, usart1, pba, 4);
+
+static struct resource usart2_resource[] = {
+	PBMEM(0xffe01400),
+	IRQ(8),
+};
+DEFINE_DEV(usart, 2);
+DEV_CLK(usart, usart2, pba, 5);
+
+static struct resource usart3_resource[] = {
+	PBMEM(0xffe01800),
+	IRQ(9),
+};
+DEFINE_DEV(usart, 3);
+DEV_CLK(usart, usart3, pba, 6);
+
+static inline void configure_usart0_pins(void)
+{
+	portmux_set_func(PIOA,  8, FUNC_B);	/* RXD	*/
+	portmux_set_func(PIOA,  9, FUNC_B);	/* TXD	*/
+}
+
+static inline void configure_usart1_pins(void)
+{
+	portmux_set_func(PIOA, 17, FUNC_A);	/* RXD	*/
+	portmux_set_func(PIOA, 18, FUNC_A);	/* TXD	*/
+}
+
+static inline void configure_usart2_pins(void)
+{
+	portmux_set_func(PIOB, 26, FUNC_B);	/* RXD	*/
+	portmux_set_func(PIOB, 27, FUNC_B);	/* TXD	*/
+}
+
+static inline void configure_usart3_pins(void)
+{
+	portmux_set_func(PIOB, 18, FUNC_B);	/* RXD	*/
+	portmux_set_func(PIOB, 17, FUNC_B);	/* TXD	*/
+}
+
+static struct platform_device *setup_usart(unsigned int id)
+{
+	struct platform_device *pdev;
+
+	switch (id) {
+	case 0:
+		pdev = &usart0_device;
+		configure_usart0_pins();
+		break;
+	case 1:
+		pdev = &usart1_device;
+		configure_usart1_pins();
+		break;
+	case 2:
+		pdev = &usart2_device;
+		configure_usart2_pins();
+		break;
+	case 3:
+		pdev = &usart3_device;
+		configure_usart3_pins();
+		break;
+	default:
+		pdev = NULL;
+		break;
+	}
+
+	return pdev;
+}
+
+struct platform_device *__init at32_add_device_usart(unsigned int id)
+{
+	struct platform_device *pdev;
+
+	pdev = setup_usart(id);
+	if (pdev)
+		platform_device_register(pdev);
+
+	return pdev;
+}
+
+struct platform_device *at91_default_console_device;
+
+void __init at32_setup_serial_console(unsigned int usart_id)
+{
+	at91_default_console_device = setup_usart(usart_id);
+}
+
+/* --------------------------------------------------------------------
+ *  Ethernet
+ * -------------------------------------------------------------------- */
+
+static struct eth_platform_data macb0_data;
+static struct resource macb0_resource[] = {
+	PBMEM(0xfff01800),
+	IRQ(25),
+};
+DEFINE_DEV_DATA(macb, 0);
+DEV_CLK(hclk, macb0, hsb, 8);
+DEV_CLK(pclk, macb0, pbb, 6);
+
+struct platform_device *__init
+at32_add_device_eth(unsigned int id, struct eth_platform_data *data)
+{
+	struct platform_device *pdev;
+
+	switch (id) {
+	case 0:
+		pdev = &macb0_device;
+
+		portmux_set_func(PIOC,  3, FUNC_A);	/* TXD0	*/
+		portmux_set_func(PIOC,  4, FUNC_A);	/* TXD1	*/
+		portmux_set_func(PIOC,  7, FUNC_A);	/* TXEN	*/
+		portmux_set_func(PIOC,  8, FUNC_A);	/* TXCK */
+		portmux_set_func(PIOC,  9, FUNC_A);	/* RXD0	*/
+		portmux_set_func(PIOC, 10, FUNC_A);	/* RXD1	*/
+		portmux_set_func(PIOC, 13, FUNC_A);	/* RXER	*/
+		portmux_set_func(PIOC, 15, FUNC_A);	/* RXDV	*/
+		portmux_set_func(PIOC, 16, FUNC_A);	/* MDC	*/
+		portmux_set_func(PIOC, 17, FUNC_A);	/* MDIO	*/
+
+		if (!data->is_rmii) {
+			portmux_set_func(PIOC,  0, FUNC_A);	/* COL	*/
+			portmux_set_func(PIOC,  1, FUNC_A);	/* CRS	*/
+			portmux_set_func(PIOC,  2, FUNC_A);	/* TXER	*/
+			portmux_set_func(PIOC,  5, FUNC_A);	/* TXD2	*/
+			portmux_set_func(PIOC,  6, FUNC_A);	/* TXD3 */
+			portmux_set_func(PIOC, 11, FUNC_A);	/* RXD2	*/
+			portmux_set_func(PIOC, 12, FUNC_A);	/* RXD3	*/
+			portmux_set_func(PIOC, 14, FUNC_A);	/* RXCK	*/
+			portmux_set_func(PIOC, 18, FUNC_A);	/* SPD	*/
+		}
+		break;
+
+	default:
+		return NULL;
+	}
+
+	memcpy(pdev->dev.platform_data, data, sizeof(struct eth_platform_data));
+	platform_device_register(pdev);
+
+	return pdev;
+}
+
+/* --------------------------------------------------------------------
+ *  SPI
+ * -------------------------------------------------------------------- */
+static struct resource spi0_resource[] = {
+	PBMEM(0xffe00000),
+	IRQ(3),
+};
+DEFINE_DEV(spi, 0);
+DEV_CLK(mck, spi0, pba, 0);
+
+struct platform_device *__init at32_add_device_spi(unsigned int id)
+{
+	struct platform_device *pdev;
+
+	switch (id) {
+	case 0:
+		pdev = &spi0_device;
+		portmux_set_func(PIOA,  0, FUNC_A);	/* MISO	 */
+		portmux_set_func(PIOA,  1, FUNC_A);	/* MOSI	 */
+		portmux_set_func(PIOA,  2, FUNC_A);	/* SCK	 */
+		portmux_set_func(PIOA,  3, FUNC_A);	/* NPCS0 */
+		portmux_set_func(PIOA,  4, FUNC_A);	/* NPCS1 */
+		portmux_set_func(PIOA,  5, FUNC_A);	/* NPCS2 */
+		break;
+
+	default:
+		return NULL;
+	}
+
+	platform_device_register(pdev);
+	return pdev;
+}
+
+/* --------------------------------------------------------------------
+ *  LCDC
+ * -------------------------------------------------------------------- */
+static struct lcdc_platform_data lcdc0_data;
+static struct resource lcdc0_resource[] = {
+	{
+		.start		= 0xff000000,
+		.end		= 0xff000fff,
+		.flags		= IORESOURCE_MEM,
+	},
+	IRQ(1),
+};
+DEFINE_DEV_DATA(lcdc, 0);
+DEV_CLK(hclk, lcdc0, hsb, 7);
+static struct clk lcdc0_pixclk = {
+	.name		= "pixclk",
+	.dev		= &lcdc0_device.dev,
+	.mode		= genclk_mode,
+	.get_rate	= genclk_get_rate,
+	.set_rate	= genclk_set_rate,
+	.set_parent	= genclk_set_parent,
+	.index		= 7,
+};
+
+struct platform_device *__init
+at32_add_device_lcdc(unsigned int id, struct lcdc_platform_data *data)
+{
+	struct platform_device *pdev;
+
+	switch (id) {
+	case 0:
+		pdev = &lcdc0_device;
+		portmux_set_func(PIOC, 19, FUNC_A);	/* CC	  */
+		portmux_set_func(PIOC, 20, FUNC_A);	/* HSYNC  */
+		portmux_set_func(PIOC, 21, FUNC_A);	/* PCLK	  */
+		portmux_set_func(PIOC, 22, FUNC_A);	/* VSYNC  */
+		portmux_set_func(PIOC, 23, FUNC_A);	/* DVAL	  */
+		portmux_set_func(PIOC, 24, FUNC_A);	/* MODE	  */
+		portmux_set_func(PIOC, 25, FUNC_A);	/* PWR	  */
+		portmux_set_func(PIOC, 26, FUNC_A);	/* DATA0  */
+		portmux_set_func(PIOC, 27, FUNC_A);	/* DATA1  */
+		portmux_set_func(PIOC, 28, FUNC_A);	/* DATA2  */
+		portmux_set_func(PIOC, 29, FUNC_A);	/* DATA3  */
+		portmux_set_func(PIOC, 30, FUNC_A);	/* DATA4  */
+		portmux_set_func(PIOC, 31, FUNC_A);	/* DATA5  */
+		portmux_set_func(PIOD,  0, FUNC_A);	/* DATA6  */
+		portmux_set_func(PIOD,  1, FUNC_A);	/* DATA7  */
+		portmux_set_func(PIOD,  2, FUNC_A);	/* DATA8  */
+		portmux_set_func(PIOD,  3, FUNC_A);	/* DATA9  */
+		portmux_set_func(PIOD,  4, FUNC_A);	/* DATA10 */
+		portmux_set_func(PIOD,  5, FUNC_A);	/* DATA11 */
+		portmux_set_func(PIOD,  6, FUNC_A);	/* DATA12 */
+		portmux_set_func(PIOD,  7, FUNC_A);	/* DATA13 */
+		portmux_set_func(PIOD,  8, FUNC_A);	/* DATA14 */
+		portmux_set_func(PIOD,  9, FUNC_A);	/* DATA15 */
+		portmux_set_func(PIOD, 10, FUNC_A);	/* DATA16 */
+		portmux_set_func(PIOD, 11, FUNC_A);	/* DATA17 */
+		portmux_set_func(PIOD, 12, FUNC_A);	/* DATA18 */
+		portmux_set_func(PIOD, 13, FUNC_A);	/* DATA19 */
+		portmux_set_func(PIOD, 14, FUNC_A);	/* DATA20 */
+		portmux_set_func(PIOD, 15, FUNC_A);	/* DATA21 */
+		portmux_set_func(PIOD, 16, FUNC_A);	/* DATA22 */
+		portmux_set_func(PIOD, 17, FUNC_A);	/* DATA23 */
+
+		clk_set_parent(&lcdc0_pixclk, &pll0);
+		clk_set_rate(&lcdc0_pixclk, clk_get_rate(&pll0));
+		break;
+
+	default:
+		return NULL;
+	}
+
+	memcpy(pdev->dev.platform_data, data,
+	       sizeof(struct lcdc_platform_data));
+
+	platform_device_register(pdev);
+	return pdev;
+}
+
+struct clk *at32_clock_list[] = {
+	&osc32k,
+	&osc0,
+	&osc1,
+	&pll0,
+	&pll1,
+	&cpu_clk,
+	&hsb_clk,
+	&pba_clk,
+	&pbb_clk,
+	&at32_sm_pclk,
+	&at32_intc0_pclk,
+	&ebi_clk,
+	&hramc_clk,
+	&smc0_pclk,
+	&smc0_mck,
+	&pdc_hclk,
+	&pdc_pclk,
+	&pico_clk,
+	&pio0_mck,
+	&pio1_mck,
+	&pio2_mck,
+	&pio3_mck,
+	&usart0_usart,
+	&usart1_usart,
+	&usart2_usart,
+	&usart3_usart,
+	&macb0_hclk,
+	&macb0_pclk,
+	&spi0_mck,
+	&lcdc0_hclk,
+	&lcdc0_pixclk,
+};
+unsigned int at32_nr_clocks = ARRAY_SIZE(at32_clock_list);
+
+void __init at32_portmux_init(void)
+{
+	at32_init_pio(&pio0_device);
+	at32_init_pio(&pio1_device);
+	at32_init_pio(&pio2_device);
+	at32_init_pio(&pio3_device);
+}
+
+void __init at32_clock_init(void)
+{
+	struct at32_sm *sm = &system_manager;
+	u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0;
+	int i;
+
+	if (sm_readl(sm, PM_MCCTRL) & SM_BIT(PLLSEL))
+		main_clock = &pll0;
+	else
+		main_clock = &osc0;
+
+	if (sm_readl(sm, PM_PLL0) & SM_BIT(PLLOSC))
+		pll0.parent = &osc1;
+	if (sm_readl(sm, PM_PLL1) & SM_BIT(PLLOSC))
+		pll1.parent = &osc1;
+
+	/*
+	 * Turn on all clocks that have at least one user already, and
+	 * turn off everything else. We only do this for module
+	 * clocks, and even though it isn't particularly pretty to
+	 * check the address of the mode function, it should do the
+	 * trick...
+	 */
+	for (i = 0; i < ARRAY_SIZE(at32_clock_list); i++) {
+		struct clk *clk = at32_clock_list[i];
+
+		if (clk->mode == &cpu_clk_mode)
+			cpu_mask |= 1 << clk->index;
+		else if (clk->mode == &hsb_clk_mode)
+			hsb_mask |= 1 << clk->index;
+		else if (clk->mode == &pba_clk_mode)
+			pba_mask |= 1 << clk->index;
+		else if (clk->mode == &pbb_clk_mode)
+			pbb_mask |= 1 << clk->index;
+	}
+
+	sm_writel(sm, PM_CPU_MASK, cpu_mask);
+	sm_writel(sm, PM_HSB_MASK, hsb_mask);
+	sm_writel(sm, PM_PBA_MASK, pba_mask);
+	sm_writel(sm, PM_PBB_MASK, pbb_mask);
+}
diff --git a/arch/avr32/mach-at32ap/clock.c b/arch/avr32/mach-at32ap/clock.c
new file mode 100644
index 000000000000..3d0d1097389f
--- /dev/null
+++ b/arch/avr32/mach-at32ap/clock.c
@@ -0,0 +1,148 @@
+/*
+ * Clock management for AT32AP CPUs
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * Based on arch/arm/mach-at91rm9200/clock.c
+ *   Copyright (C) 2005 David Brownell
+ *   Copyright (C) 2005 Ivan Kokshaysky
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/device.h>
+#include <linux/string.h>
+
+#include "clock.h"
+
+static spinlock_t clk_lock = SPIN_LOCK_UNLOCKED;
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+	int i;
+
+	for (i = 0; i < at32_nr_clocks; i++) {
+		struct clk *clk = at32_clock_list[i];
+
+		if (clk->dev == dev && strcmp(id, clk->name) == 0)
+			return clk;
+	}
+
+	return ERR_PTR(-ENOENT);
+}
+EXPORT_SYMBOL(clk_get);
+
+void clk_put(struct clk *clk)
+{
+	/* clocks are static for now, we can't free them */
+}
+EXPORT_SYMBOL(clk_put);
+
+static void __clk_enable(struct clk *clk)
+{
+	if (clk->parent)
+		__clk_enable(clk->parent);
+	if (clk->users++ == 0 && clk->mode)
+		clk->mode(clk, 1);
+}
+
+int clk_enable(struct clk *clk)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&clk_lock, flags);
+	__clk_enable(clk);
+	spin_unlock_irqrestore(&clk_lock, flags);
+
+	return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+static void __clk_disable(struct clk *clk)
+{
+	BUG_ON(clk->users == 0);
+
+	if (--clk->users == 0 && clk->mode)
+		clk->mode(clk, 0);
+	if (clk->parent)
+		__clk_disable(clk->parent);
+}
+
+void clk_disable(struct clk *clk)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&clk_lock, flags);
+	__clk_disable(clk);
+	spin_unlock_irqrestore(&clk_lock, flags);
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+	unsigned long flags;
+	unsigned long rate;
+
+	spin_lock_irqsave(&clk_lock, flags);
+	rate = clk->get_rate(clk);
+	spin_unlock_irqrestore(&clk_lock, flags);
+
+	return rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+	unsigned long flags, actual_rate;
+
+	if (!clk->set_rate)
+		return -ENOSYS;
+
+	spin_lock_irqsave(&clk_lock, flags);
+	actual_rate = clk->set_rate(clk, rate, 0);
+	spin_unlock_irqrestore(&clk_lock, flags);
+
+	return actual_rate;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+	unsigned long flags;
+	long ret;
+
+	if (!clk->set_rate)
+		return -ENOSYS;
+
+	spin_lock_irqsave(&clk_lock, flags);
+	ret = clk->set_rate(clk, rate, 1);
+	spin_unlock_irqrestore(&clk_lock, flags);
+
+	return (ret < 0) ? ret : 0;
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+	unsigned long flags;
+	int ret;
+
+	if (!clk->set_parent)
+		return -ENOSYS;
+
+	spin_lock_irqsave(&clk_lock, flags);
+	ret = clk->set_parent(clk, parent);
+	spin_unlock_irqrestore(&clk_lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL(clk_set_parent);
+
+struct clk *clk_get_parent(struct clk *clk)
+{
+	return clk->parent;
+}
+EXPORT_SYMBOL(clk_get_parent);
diff --git a/arch/avr32/mach-at32ap/clock.h b/arch/avr32/mach-at32ap/clock.h
new file mode 100644
index 000000000000..f953f044ba4d
--- /dev/null
+++ b/arch/avr32/mach-at32ap/clock.h
@@ -0,0 +1,30 @@
+/*
+ * Clock management for AT32AP CPUs
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * Based on arch/arm/mach-at91rm9200/clock.c
+ *   Copyright (C) 2005 David Brownell
+ *   Copyright (C) 2005 Ivan Kokshaysky
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/clk.h>
+
+struct clk {
+	const char	*name;		/* Clock name/function */
+	struct device	*dev;		/* Device the clock is used by */
+	struct clk	*parent;	/* Parent clock, if any */
+	void		(*mode)(struct clk *clk, int enabled);
+	unsigned long	(*get_rate)(struct clk *clk);
+	long		(*set_rate)(struct clk *clk, unsigned long rate,
+				    int apply);
+	int		(*set_parent)(struct clk *clk, struct clk *parent);
+	u16		users;		/* Enabled if non-zero */
+	u16		index;		/* Sibling index */
+};
+
+extern struct clk *at32_clock_list[];
+extern unsigned int at32_nr_clocks;
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
new file mode 100644
index 000000000000..7da9c5f7a0eb
--- /dev/null
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -0,0 +1,171 @@
+/*
+ * External interrupt handling for AT32AP CPUs
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/random.h>
+
+#include <asm/io.h>
+
+#include <asm/arch/sm.h>
+
+#include "sm.h"
+
+static void eim_ack_irq(unsigned int irq)
+{
+	struct at32_sm *sm = get_irq_chip_data(irq);
+	sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq));
+}
+
+static void eim_mask_irq(unsigned int irq)
+{
+	struct at32_sm *sm = get_irq_chip_data(irq);
+	sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq));
+}
+
+static void eim_mask_ack_irq(unsigned int irq)
+{
+	struct at32_sm *sm = get_irq_chip_data(irq);
+	sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq));
+	sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq));
+}
+
+static void eim_unmask_irq(unsigned int irq)
+{
+	struct at32_sm *sm = get_irq_chip_data(irq);
+	sm_writel(sm, EIM_IER, 1 << (irq - sm->eim_first_irq));
+}
+
+static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
+{
+	struct at32_sm *sm = get_irq_chip_data(irq);
+	unsigned int i = irq - sm->eim_first_irq;
+	u32 mode, edge, level;
+	unsigned long flags;
+	int ret = 0;
+
+	flow_type &= IRQ_TYPE_SENSE_MASK;
+
+	spin_lock_irqsave(&sm->lock, flags);
+
+	mode = sm_readl(sm, EIM_MODE);
+	edge = sm_readl(sm, EIM_EDGE);
+	level = sm_readl(sm, EIM_LEVEL);
+
+	switch (flow_type) {
+	case IRQ_TYPE_LEVEL_LOW:
+		mode |= 1 << i;
+		level &= ~(1 << i);
+		break;
+	case IRQ_TYPE_LEVEL_HIGH:
+		mode |= 1 << i;
+		level |= 1 << i;
+		break;
+	case IRQ_TYPE_EDGE_RISING:
+		mode &= ~(1 << i);
+		edge |= 1 << i;
+		break;
+	case IRQ_TYPE_EDGE_FALLING:
+		mode &= ~(1 << i);
+		edge &= ~(1 << i);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	sm_writel(sm, EIM_MODE, mode);
+	sm_writel(sm, EIM_EDGE, edge);
+	sm_writel(sm, EIM_LEVEL, level);
+
+	spin_unlock_irqrestore(&sm->lock, flags);
+
+	return ret;
+}
+
+struct irq_chip eim_chip = {
+	.name		= "eim",
+	.ack		= eim_ack_irq,
+	.mask		= eim_mask_irq,
+	.mask_ack	= eim_mask_ack_irq,
+	.unmask		= eim_unmask_irq,
+	.set_type	= eim_set_irq_type,
+};
+
+static void demux_eim_irq(unsigned int irq, struct irq_desc *desc,
+			  struct pt_regs *regs)
+{
+	struct at32_sm *sm = desc->handler_data;
+	struct irq_desc *ext_desc;
+	unsigned long status, pending;
+	unsigned int i, ext_irq;
+
+	spin_lock(&sm->lock);
+
+	status = sm_readl(sm, EIM_ISR);
+	pending = status & sm_readl(sm, EIM_IMR);
+
+	while (pending) {
+		i = fls(pending) - 1;
+		pending &= ~(1 << i);
+
+		ext_irq = i + sm->eim_first_irq;
+		ext_desc = irq_desc + ext_irq;
+		ext_desc->handle_irq(ext_irq, ext_desc, regs);
+	}
+
+	spin_unlock(&sm->lock);
+}
+
+static int __init eim_init(void)
+{
+	struct at32_sm *sm = &system_manager;
+	unsigned int i;
+	unsigned int nr_irqs;
+	unsigned int int_irq;
+	u32 pattern;
+
+	/*
+	 * The EIM is really the same module as SM, so register
+	 * mapping, etc. has been taken care of already.
+	 */
+
+	/*
+	 * Find out how many interrupt lines that are actually
+	 * implemented in hardware.
+	 */
+	sm_writel(sm, EIM_IDR, ~0UL);
+	sm_writel(sm, EIM_MODE, ~0UL);
+	pattern = sm_readl(sm, EIM_MODE);
+	nr_irqs = fls(pattern);
+
+	sm->eim_chip = &eim_chip;
+
+	for (i = 0; i < nr_irqs; i++) {
+		set_irq_chip(sm->eim_first_irq + i, &eim_chip);
+		set_irq_chip_data(sm->eim_first_irq + i, sm);
+	}
+
+	int_irq = platform_get_irq_byname(sm->pdev, "eim");
+
+	set_irq_chained_handler(int_irq, demux_eim_irq);
+	set_irq_data(int_irq, sm);
+
+	printk("EIM: External Interrupt Module at 0x%p, IRQ %u\n",
+	       sm->regs, int_irq);
+	printk("EIM: Handling %u external IRQs, starting with IRQ %u\n",
+	       nr_irqs, sm->eim_first_irq);
+
+	return 0;
+}
+arch_initcall(eim_init);
diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c
new file mode 100644
index 000000000000..7691721928a7
--- /dev/null
+++ b/arch/avr32/mach-at32ap/hsmc.c
@@ -0,0 +1,164 @@
+/*
+ * Static Memory Controller for AT32 chips
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#define DEBUG
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <asm/io.h>
+#include <asm/arch/smc.h>
+
+#include "hsmc.h"
+
+#define NR_CHIP_SELECTS 6
+
+struct hsmc {
+	void __iomem *regs;
+	struct clk *pclk;
+	struct clk *mck;
+};
+
+static struct hsmc *hsmc;
+
+int smc_set_configuration(int cs, const struct smc_config *config)
+{
+	unsigned long mul;
+	unsigned long offset;
+	u32 setup, pulse, cycle, mode;
+
+	if (!hsmc)
+		return -ENODEV;
+	if (cs >= NR_CHIP_SELECTS)
+		return -EINVAL;
+
+	/*
+	 * cycles = x / T = x * f
+	 *   = ((x * 1000000000) * ((f * 65536) / 1000000000)) / 65536
+	 *   = ((x * 1000000000) * (((f / 10000) * 65536) / 100000)) / 65536
+	 */
+	mul = (clk_get_rate(hsmc->mck) / 10000) << 16;
+	mul /= 100000;
+
+#define ns2cyc(x) ((((x) * mul) + 65535) >> 16)
+
+	setup = (HSMC_BF(NWE_SETUP, ns2cyc(config->nwe_setup))
+		 | HSMC_BF(NCS_WR_SETUP, ns2cyc(config->ncs_write_setup))
+		 | HSMC_BF(NRD_SETUP, ns2cyc(config->nrd_setup))
+		 | HSMC_BF(NCS_RD_SETUP, ns2cyc(config->ncs_read_setup)));
+	pulse = (HSMC_BF(NWE_PULSE, ns2cyc(config->nwe_pulse))
+		 | HSMC_BF(NCS_WR_PULSE, ns2cyc(config->ncs_write_pulse))
+		 | HSMC_BF(NRD_PULSE, ns2cyc(config->nrd_pulse))
+		 | HSMC_BF(NCS_RD_PULSE, ns2cyc(config->ncs_read_pulse)));
+	cycle = (HSMC_BF(NWE_CYCLE, ns2cyc(config->write_cycle))
+		 | HSMC_BF(NRD_CYCLE, ns2cyc(config->read_cycle)));
+
+	switch (config->bus_width) {
+	case 1:
+		mode = HSMC_BF(DBW, HSMC_DBW_8_BITS);
+		break;
+	case 2:
+		mode = HSMC_BF(DBW, HSMC_DBW_16_BITS);
+		break;
+	case 4:
+		mode = HSMC_BF(DBW, HSMC_DBW_32_BITS);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (config->nrd_controlled)
+		mode |= HSMC_BIT(READ_MODE);
+	if (config->nwe_controlled)
+		mode |= HSMC_BIT(WRITE_MODE);
+	if (config->byte_write)
+		mode |= HSMC_BIT(BAT);
+
+	pr_debug("smc cs%d: setup/%08x pulse/%08x cycle/%08x mode/%08x\n",
+		 cs, setup, pulse, cycle, mode);
+
+	offset = cs * 0x10;
+	hsmc_writel(hsmc, SETUP0 + offset, setup);
+	hsmc_writel(hsmc, PULSE0 + offset, pulse);
+	hsmc_writel(hsmc, CYCLE0 + offset, cycle);
+	hsmc_writel(hsmc, MODE0 + offset, mode);
+	hsmc_readl(hsmc, MODE0); /* I/O barrier */
+
+	return 0;
+}
+EXPORT_SYMBOL(smc_set_configuration);
+
+static int hsmc_probe(struct platform_device *pdev)
+{
+	struct resource *regs;
+	struct clk *pclk, *mck;
+	int ret;
+
+	if (hsmc)
+		return -EBUSY;
+
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!regs)
+		return -ENXIO;
+	pclk = clk_get(&pdev->dev, "pclk");
+	if (IS_ERR(pclk))
+		return PTR_ERR(pclk);
+	mck = clk_get(&pdev->dev, "mck");
+	if (IS_ERR(mck)) {
+		ret = PTR_ERR(mck);
+		goto out_put_pclk;
+	}
+
+	ret = -ENOMEM;
+	hsmc = kzalloc(sizeof(struct hsmc), GFP_KERNEL);
+	if (!hsmc)
+		goto out_put_clocks;
+
+	clk_enable(pclk);
+	clk_enable(mck);
+
+	hsmc->pclk = pclk;
+	hsmc->mck = mck;
+	hsmc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!hsmc->regs)
+		goto out_disable_clocks;
+
+	dev_info(&pdev->dev, "Atmel Static Memory Controller at 0x%08lx\n",
+		 (unsigned long)regs->start);
+
+	platform_set_drvdata(pdev, hsmc);
+
+	return 0;
+
+out_disable_clocks:
+	clk_disable(mck);
+	clk_disable(pclk);
+	kfree(hsmc);
+out_put_clocks:
+	clk_put(mck);
+out_put_pclk:
+	clk_put(pclk);
+	hsmc = NULL;
+	return ret;
+}
+
+static struct platform_driver hsmc_driver = {
+	.probe		= hsmc_probe,
+	.driver		= {
+		.name	= "smc",
+	},
+};
+
+static int __init hsmc_init(void)
+{
+	return platform_driver_register(&hsmc_driver);
+}
+arch_initcall(hsmc_init);
diff --git a/arch/avr32/mach-at32ap/hsmc.h b/arch/avr32/mach-at32ap/hsmc.h
new file mode 100644
index 000000000000..5681276fafdb
--- /dev/null
+++ b/arch/avr32/mach-at32ap/hsmc.h
@@ -0,0 +1,127 @@
+/*
+ * Register definitions for Atmel Static Memory Controller (SMC)
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_AVR32_HSMC_H__
+#define __ASM_AVR32_HSMC_H__
+
+/* HSMC register offsets */
+#define HSMC_SETUP0				0x0000
+#define HSMC_PULSE0				0x0004
+#define HSMC_CYCLE0				0x0008
+#define HSMC_MODE0				0x000c
+#define HSMC_SETUP1				0x0010
+#define HSMC_PULSE1				0x0014
+#define HSMC_CYCLE1				0x0018
+#define HSMC_MODE1				0x001c
+#define HSMC_SETUP2				0x0020
+#define HSMC_PULSE2				0x0024
+#define HSMC_CYCLE2				0x0028
+#define HSMC_MODE2				0x002c
+#define HSMC_SETUP3				0x0030
+#define HSMC_PULSE3				0x0034
+#define HSMC_CYCLE3				0x0038
+#define HSMC_MODE3				0x003c
+#define HSMC_SETUP4				0x0040
+#define HSMC_PULSE4				0x0044
+#define HSMC_CYCLE4				0x0048
+#define HSMC_MODE4				0x004c
+#define HSMC_SETUP5				0x0050
+#define HSMC_PULSE5				0x0054
+#define HSMC_CYCLE5				0x0058
+#define HSMC_MODE5				0x005c
+
+/* Bitfields in SETUP0 */
+#define HSMC_NWE_SETUP_OFFSET			0
+#define HSMC_NWE_SETUP_SIZE			6
+#define HSMC_NCS_WR_SETUP_OFFSET		8
+#define HSMC_NCS_WR_SETUP_SIZE			6
+#define HSMC_NRD_SETUP_OFFSET			16
+#define HSMC_NRD_SETUP_SIZE			6
+#define HSMC_NCS_RD_SETUP_OFFSET		24
+#define HSMC_NCS_RD_SETUP_SIZE			6
+
+/* Bitfields in PULSE0 */
+#define HSMC_NWE_PULSE_OFFSET			0
+#define HSMC_NWE_PULSE_SIZE			7
+#define HSMC_NCS_WR_PULSE_OFFSET		8
+#define HSMC_NCS_WR_PULSE_SIZE			7
+#define HSMC_NRD_PULSE_OFFSET			16
+#define HSMC_NRD_PULSE_SIZE			7
+#define HSMC_NCS_RD_PULSE_OFFSET		24
+#define HSMC_NCS_RD_PULSE_SIZE			7
+
+/* Bitfields in CYCLE0 */
+#define HSMC_NWE_CYCLE_OFFSET			0
+#define HSMC_NWE_CYCLE_SIZE			9
+#define HSMC_NRD_CYCLE_OFFSET			16
+#define HSMC_NRD_CYCLE_SIZE			9
+
+/* Bitfields in MODE0 */
+#define HSMC_READ_MODE_OFFSET			0
+#define HSMC_READ_MODE_SIZE			1
+#define HSMC_WRITE_MODE_OFFSET			1
+#define HSMC_WRITE_MODE_SIZE			1
+#define HSMC_EXNW_MODE_OFFSET			4
+#define HSMC_EXNW_MODE_SIZE			2
+#define HSMC_BAT_OFFSET				8
+#define HSMC_BAT_SIZE				1
+#define HSMC_DBW_OFFSET				12
+#define HSMC_DBW_SIZE				2
+#define HSMC_TDF_CYCLES_OFFSET			16
+#define HSMC_TDF_CYCLES_SIZE			4
+#define HSMC_TDF_MODE_OFFSET			20
+#define HSMC_TDF_MODE_SIZE			1
+#define HSMC_PMEN_OFFSET			24
+#define HSMC_PMEN_SIZE				1
+#define HSMC_PS_OFFSET				28
+#define HSMC_PS_SIZE				2
+
+/* Constants for READ_MODE */
+#define HSMC_READ_MODE_NCS_CONTROLLED		0
+#define HSMC_READ_MODE_NRD_CONTROLLED		1
+
+/* Constants for WRITE_MODE */
+#define HSMC_WRITE_MODE_NCS_CONTROLLED		0
+#define HSMC_WRITE_MODE_NWE_CONTROLLED		1
+
+/* Constants for EXNW_MODE */
+#define HSMC_EXNW_MODE_DISABLED			0
+#define HSMC_EXNW_MODE_RESERVED			1
+#define HSMC_EXNW_MODE_FROZEN			2
+#define HSMC_EXNW_MODE_READY			3
+
+/* Constants for BAT */
+#define HSMC_BAT_BYTE_SELECT			0
+#define HSMC_BAT_BYTE_WRITE			1
+
+/* Constants for DBW */
+#define HSMC_DBW_8_BITS				0
+#define HSMC_DBW_16_BITS			1
+#define HSMC_DBW_32_BITS			2
+
+/* Bit manipulation macros */
+#define HSMC_BIT(name)							\
+	(1 << HSMC_##name##_OFFSET)
+#define HSMC_BF(name,value)						\
+	(((value) & ((1 << HSMC_##name##_SIZE) - 1))			\
+	 << HSMC_##name##_OFFSET)
+#define HSMC_BFEXT(name,value)						\
+	(((value) >> HSMC_##name##_OFFSET)				\
+	 & ((1 << HSMC_##name##_SIZE) - 1))
+#define HSMC_BFINS(name,value,old)					\
+	(((old) & ~(((1 << HSMC_##name##_SIZE) - 1)			\
+		    << HSMC_##name##_OFFSET)) | HSMC_BF(name,value))
+
+/* Register access macros */
+#define hsmc_readl(port,reg)						\
+	readl((port)->regs + HSMC_##reg)
+#define hsmc_writel(port,reg,value)					\
+	writel((value), (port)->regs + HSMC_##reg)
+
+#endif /* __ASM_AVR32_HSMC_H__ */
diff --git a/arch/avr32/mach-at32ap/intc.c b/arch/avr32/mach-at32ap/intc.c
new file mode 100644
index 000000000000..74f8c9f2f03d
--- /dev/null
+++ b/arch/avr32/mach-at32ap/intc.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+
+#include <asm/io.h>
+
+#include "intc.h"
+
+struct intc {
+	void __iomem	*regs;
+	struct irq_chip	chip;
+};
+
+extern struct platform_device at32_intc0_device;
+
+/*
+ * TODO: We may be able to implement mask/unmask by setting IxM flags
+ * in the status register.
+ */
+static void intc_mask_irq(unsigned int irq)
+{
+
+}
+
+static void intc_unmask_irq(unsigned int irq)
+{
+
+}
+
+static struct intc intc0 = {
+	.chip = {
+		.name		= "intc",
+		.mask		= intc_mask_irq,
+		.unmask		= intc_unmask_irq,
+	},
+};
+
+/*
+ * All interrupts go via intc at some point.
+ */
+asmlinkage void do_IRQ(int level, struct pt_regs *regs)
+{
+	struct irq_desc *desc;
+	unsigned int irq;
+	unsigned long status_reg;
+
+	local_irq_disable();
+
+	irq_enter();
+
+	irq = intc_readl(&intc0, INTCAUSE0 - 4 * level);
+	desc = irq_desc + irq;
+	desc->handle_irq(irq, desc, regs);
+
+	/*
+	 * Clear all interrupt level masks so that we may handle
+	 * interrupts during softirq processing.  If this is a nested
+	 * interrupt, interrupts must stay globally disabled until we
+	 * return.
+	 */
+	status_reg = sysreg_read(SR);
+	status_reg &= ~(SYSREG_BIT(I0M) | SYSREG_BIT(I1M)
+			| SYSREG_BIT(I2M) | SYSREG_BIT(I3M));
+	sysreg_write(SR, status_reg);
+
+	irq_exit();
+}
+
+void __init init_IRQ(void)
+{
+	extern void _evba(void);
+	extern void irq_level0(void);
+	struct resource *regs;
+	struct clk *pclk;
+	unsigned int i;
+	u32 offset, readback;
+
+	regs = platform_get_resource(&at32_intc0_device, IORESOURCE_MEM, 0);
+	if (!regs) {
+		printk(KERN_EMERG "intc: no mmio resource defined\n");
+		goto fail;
+	}
+	pclk = clk_get(&at32_intc0_device.dev, "pclk");
+	if (IS_ERR(pclk)) {
+		printk(KERN_EMERG "intc: no clock defined\n");
+		goto fail;
+	}
+
+	clk_enable(pclk);
+
+	intc0.regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!intc0.regs) {
+		printk(KERN_EMERG "intc: failed to map registers (0x%08lx)\n",
+		       (unsigned long)regs->start);
+		goto fail;
+	}
+
+	/*
+	 * Initialize all interrupts to level 0 (lowest priority). The
+	 * priority level may be changed by calling
+	 * irq_set_priority().
+	 *
+	 */
+	offset = (unsigned long)&irq_level0 - (unsigned long)&_evba;
+	for (i = 0; i < NR_INTERNAL_IRQS; i++) {
+		intc_writel(&intc0, INTPR0 + 4 * i, offset);
+		readback = intc_readl(&intc0, INTPR0 + 4 * i);
+		if (readback == offset)
+			set_irq_chip_and_handler(i, &intc0.chip,
+						 handle_simple_irq);
+	}
+
+	/* Unmask all interrupt levels */
+	sysreg_write(SR, (sysreg_read(SR)
+			  & ~(SR_I3M | SR_I2M | SR_I1M | SR_I0M)));
+
+	return;
+
+fail:
+	panic("Interrupt controller initialization failed!\n");
+}
+
diff --git a/arch/avr32/mach-at32ap/intc.h b/arch/avr32/mach-at32ap/intc.h
new file mode 100644
index 000000000000..d289ca2fff13
--- /dev/null
+++ b/arch/avr32/mach-at32ap/intc.h
@@ -0,0 +1,327 @@
+/*
+ * Automatically generated by gen-header.xsl
+ */
+#ifndef __ASM_AVR32_PERIHP_INTC_H__
+#define __ASM_AVR32_PERIHP_INTC_H__
+
+#define INTC_NUM_INT_GRPS            33
+
+#define INTC_INTPR0                  0x0
+# define INTC_INTPR0_INTLEV_OFFSET   30
+# define INTC_INTPR0_INTLEV_SIZE     2
+# define INTC_INTPR0_OFFSET_OFFSET   0
+# define INTC_INTPR0_OFFSET_SIZE     24
+#define INTC_INTREQ0                 0x100
+# define INTC_INTREQ0_IREQUEST0_OFFSET 0
+# define INTC_INTREQ0_IREQUEST0_SIZE 1
+# define INTC_INTREQ0_IREQUEST1_OFFSET 1
+# define INTC_INTREQ0_IREQUEST1_SIZE 1
+#define INTC_INTPR1                  0x4
+# define INTC_INTPR1_INTLEV_OFFSET   30
+# define INTC_INTPR1_INTLEV_SIZE     2
+# define INTC_INTPR1_OFFSET_OFFSET   0
+# define INTC_INTPR1_OFFSET_SIZE     24
+#define INTC_INTREQ1                 0x104
+# define INTC_INTREQ1_IREQUEST32_OFFSET 0
+# define INTC_INTREQ1_IREQUEST32_SIZE 1
+# define INTC_INTREQ1_IREQUEST33_OFFSET 1
+# define INTC_INTREQ1_IREQUEST33_SIZE 1
+# define INTC_INTREQ1_IREQUEST34_OFFSET 2
+# define INTC_INTREQ1_IREQUEST34_SIZE 1
+# define INTC_INTREQ1_IREQUEST35_OFFSET 3
+# define INTC_INTREQ1_IREQUEST35_SIZE 1
+# define INTC_INTREQ1_IREQUEST36_OFFSET 4
+# define INTC_INTREQ1_IREQUEST36_SIZE 1
+# define INTC_INTREQ1_IREQUEST37_OFFSET 5
+# define INTC_INTREQ1_IREQUEST37_SIZE 1
+#define INTC_INTPR2                  0x8
+# define INTC_INTPR2_INTLEV_OFFSET   30
+# define INTC_INTPR2_INTLEV_SIZE     2
+# define INTC_INTPR2_OFFSET_OFFSET   0
+# define INTC_INTPR2_OFFSET_SIZE     24
+#define INTC_INTREQ2                 0x108
+# define INTC_INTREQ2_IREQUEST64_OFFSET 0
+# define INTC_INTREQ2_IREQUEST64_SIZE 1
+# define INTC_INTREQ2_IREQUEST65_OFFSET 1
+# define INTC_INTREQ2_IREQUEST65_SIZE 1
+# define INTC_INTREQ2_IREQUEST66_OFFSET 2
+# define INTC_INTREQ2_IREQUEST66_SIZE 1
+# define INTC_INTREQ2_IREQUEST67_OFFSET 3
+# define INTC_INTREQ2_IREQUEST67_SIZE 1
+# define INTC_INTREQ2_IREQUEST68_OFFSET 4
+# define INTC_INTREQ2_IREQUEST68_SIZE 1
+#define INTC_INTPR3                  0xc
+# define INTC_INTPR3_INTLEV_OFFSET   30
+# define INTC_INTPR3_INTLEV_SIZE     2
+# define INTC_INTPR3_OFFSET_OFFSET   0
+# define INTC_INTPR3_OFFSET_SIZE     24
+#define INTC_INTREQ3                 0x10c
+# define INTC_INTREQ3_IREQUEST96_OFFSET 0
+# define INTC_INTREQ3_IREQUEST96_SIZE 1
+#define INTC_INTPR4                  0x10
+# define INTC_INTPR4_INTLEV_OFFSET   30
+# define INTC_INTPR4_INTLEV_SIZE     2
+# define INTC_INTPR4_OFFSET_OFFSET   0
+# define INTC_INTPR4_OFFSET_SIZE     24
+#define INTC_INTREQ4                 0x110
+# define INTC_INTREQ4_IREQUEST128_OFFSET 0
+# define INTC_INTREQ4_IREQUEST128_SIZE 1
+#define INTC_INTPR5                  0x14
+# define INTC_INTPR5_INTLEV_OFFSET   30
+# define INTC_INTPR5_INTLEV_SIZE     2
+# define INTC_INTPR5_OFFSET_OFFSET   0
+# define INTC_INTPR5_OFFSET_SIZE     24
+#define INTC_INTREQ5                 0x114
+# define INTC_INTREQ5_IREQUEST160_OFFSET 0
+# define INTC_INTREQ5_IREQUEST160_SIZE 1
+#define INTC_INTPR6                  0x18
+# define INTC_INTPR6_INTLEV_OFFSET   30
+# define INTC_INTPR6_INTLEV_SIZE     2
+# define INTC_INTPR6_OFFSET_OFFSET   0
+# define INTC_INTPR6_OFFSET_SIZE     24
+#define INTC_INTREQ6                 0x118
+# define INTC_INTREQ6_IREQUEST192_OFFSET 0
+# define INTC_INTREQ6_IREQUEST192_SIZE 1
+#define INTC_INTPR7                  0x1c
+# define INTC_INTPR7_INTLEV_OFFSET   30
+# define INTC_INTPR7_INTLEV_SIZE     2
+# define INTC_INTPR7_OFFSET_OFFSET   0
+# define INTC_INTPR7_OFFSET_SIZE     24
+#define INTC_INTREQ7                 0x11c
+# define INTC_INTREQ7_IREQUEST224_OFFSET 0
+# define INTC_INTREQ7_IREQUEST224_SIZE 1
+#define INTC_INTPR8                  0x20
+# define INTC_INTPR8_INTLEV_OFFSET   30
+# define INTC_INTPR8_INTLEV_SIZE     2
+# define INTC_INTPR8_OFFSET_OFFSET   0
+# define INTC_INTPR8_OFFSET_SIZE     24
+#define INTC_INTREQ8                 0x120
+# define INTC_INTREQ8_IREQUEST256_OFFSET 0
+# define INTC_INTREQ8_IREQUEST256_SIZE 1
+#define INTC_INTPR9                  0x24
+# define INTC_INTPR9_INTLEV_OFFSET   30
+# define INTC_INTPR9_INTLEV_SIZE     2
+# define INTC_INTPR9_OFFSET_OFFSET   0
+# define INTC_INTPR9_OFFSET_SIZE     24
+#define INTC_INTREQ9                 0x124
+# define INTC_INTREQ9_IREQUEST288_OFFSET 0
+# define INTC_INTREQ9_IREQUEST288_SIZE 1
+#define INTC_INTPR10                 0x28
+# define INTC_INTPR10_INTLEV_OFFSET  30
+# define INTC_INTPR10_INTLEV_SIZE    2
+# define INTC_INTPR10_OFFSET_OFFSET  0
+# define INTC_INTPR10_OFFSET_SIZE    24
+#define INTC_INTREQ10                0x128
+# define INTC_INTREQ10_IREQUEST320_OFFSET 0
+# define INTC_INTREQ10_IREQUEST320_SIZE 1
+#define INTC_INTPR11                 0x2c
+# define INTC_INTPR11_INTLEV_OFFSET  30
+# define INTC_INTPR11_INTLEV_SIZE    2
+# define INTC_INTPR11_OFFSET_OFFSET  0
+# define INTC_INTPR11_OFFSET_SIZE    24
+#define INTC_INTREQ11                0x12c
+# define INTC_INTREQ11_IREQUEST352_OFFSET 0
+# define INTC_INTREQ11_IREQUEST352_SIZE 1
+#define INTC_INTPR12                 0x30
+# define INTC_INTPR12_INTLEV_OFFSET  30
+# define INTC_INTPR12_INTLEV_SIZE    2
+# define INTC_INTPR12_OFFSET_OFFSET  0
+# define INTC_INTPR12_OFFSET_SIZE    24
+#define INTC_INTREQ12                0x130
+# define INTC_INTREQ12_IREQUEST384_OFFSET 0
+# define INTC_INTREQ12_IREQUEST384_SIZE 1
+#define INTC_INTPR13                 0x34
+# define INTC_INTPR13_INTLEV_OFFSET  30
+# define INTC_INTPR13_INTLEV_SIZE    2
+# define INTC_INTPR13_OFFSET_OFFSET  0
+# define INTC_INTPR13_OFFSET_SIZE    24
+#define INTC_INTREQ13                0x134
+# define INTC_INTREQ13_IREQUEST416_OFFSET 0
+# define INTC_INTREQ13_IREQUEST416_SIZE 1
+#define INTC_INTPR14                 0x38
+# define INTC_INTPR14_INTLEV_OFFSET  30
+# define INTC_INTPR14_INTLEV_SIZE    2
+# define INTC_INTPR14_OFFSET_OFFSET  0
+# define INTC_INTPR14_OFFSET_SIZE    24
+#define INTC_INTREQ14                0x138
+# define INTC_INTREQ14_IREQUEST448_OFFSET 0
+# define INTC_INTREQ14_IREQUEST448_SIZE 1
+#define INTC_INTPR15                 0x3c
+# define INTC_INTPR15_INTLEV_OFFSET  30
+# define INTC_INTPR15_INTLEV_SIZE    2
+# define INTC_INTPR15_OFFSET_OFFSET  0
+# define INTC_INTPR15_OFFSET_SIZE    24
+#define INTC_INTREQ15                0x13c
+# define INTC_INTREQ15_IREQUEST480_OFFSET 0
+# define INTC_INTREQ15_IREQUEST480_SIZE 1
+#define INTC_INTPR16                 0x40
+# define INTC_INTPR16_INTLEV_OFFSET  30
+# define INTC_INTPR16_INTLEV_SIZE    2
+# define INTC_INTPR16_OFFSET_OFFSET  0
+# define INTC_INTPR16_OFFSET_SIZE    24
+#define INTC_INTREQ16                0x140
+# define INTC_INTREQ16_IREQUEST512_OFFSET 0
+# define INTC_INTREQ16_IREQUEST512_SIZE 1
+#define INTC_INTPR17                 0x44
+# define INTC_INTPR17_INTLEV_OFFSET  30
+# define INTC_INTPR17_INTLEV_SIZE    2
+# define INTC_INTPR17_OFFSET_OFFSET  0
+# define INTC_INTPR17_OFFSET_SIZE    24
+#define INTC_INTREQ17                0x144
+# define INTC_INTREQ17_IREQUEST544_OFFSET 0
+# define INTC_INTREQ17_IREQUEST544_SIZE 1
+#define INTC_INTPR18                 0x48
+# define INTC_INTPR18_INTLEV_OFFSET  30
+# define INTC_INTPR18_INTLEV_SIZE    2
+# define INTC_INTPR18_OFFSET_OFFSET  0
+# define INTC_INTPR18_OFFSET_SIZE    24
+#define INTC_INTREQ18                0x148
+# define INTC_INTREQ18_IREQUEST576_OFFSET 0
+# define INTC_INTREQ18_IREQUEST576_SIZE 1
+#define INTC_INTPR19                 0x4c
+# define INTC_INTPR19_INTLEV_OFFSET  30
+# define INTC_INTPR19_INTLEV_SIZE    2
+# define INTC_INTPR19_OFFSET_OFFSET  0
+# define INTC_INTPR19_OFFSET_SIZE    24
+#define INTC_INTREQ19                0x14c
+# define INTC_INTREQ19_IREQUEST608_OFFSET 0
+# define INTC_INTREQ19_IREQUEST608_SIZE 1
+# define INTC_INTREQ19_IREQUEST609_OFFSET 1
+# define INTC_INTREQ19_IREQUEST609_SIZE 1
+# define INTC_INTREQ19_IREQUEST610_OFFSET 2
+# define INTC_INTREQ19_IREQUEST610_SIZE 1
+# define INTC_INTREQ19_IREQUEST611_OFFSET 3
+# define INTC_INTREQ19_IREQUEST611_SIZE 1
+#define INTC_INTPR20                 0x50
+# define INTC_INTPR20_INTLEV_OFFSET  30
+# define INTC_INTPR20_INTLEV_SIZE    2
+# define INTC_INTPR20_OFFSET_OFFSET  0
+# define INTC_INTPR20_OFFSET_SIZE    24
+#define INTC_INTREQ20                0x150
+# define INTC_INTREQ20_IREQUEST640_OFFSET 0
+# define INTC_INTREQ20_IREQUEST640_SIZE 1
+#define INTC_INTPR21                 0x54
+# define INTC_INTPR21_INTLEV_OFFSET  30
+# define INTC_INTPR21_INTLEV_SIZE    2
+# define INTC_INTPR21_OFFSET_OFFSET  0
+# define INTC_INTPR21_OFFSET_SIZE    24
+#define INTC_INTREQ21                0x154
+# define INTC_INTREQ21_IREQUEST672_OFFSET 0
+# define INTC_INTREQ21_IREQUEST672_SIZE 1
+#define INTC_INTPR22                 0x58
+# define INTC_INTPR22_INTLEV_OFFSET  30
+# define INTC_INTPR22_INTLEV_SIZE    2
+# define INTC_INTPR22_OFFSET_OFFSET  0
+# define INTC_INTPR22_OFFSET_SIZE    24
+#define INTC_INTREQ22                0x158
+# define INTC_INTREQ22_IREQUEST704_OFFSET 0
+# define INTC_INTREQ22_IREQUEST704_SIZE 1
+# define INTC_INTREQ22_IREQUEST705_OFFSET 1
+# define INTC_INTREQ22_IREQUEST705_SIZE 1
+# define INTC_INTREQ22_IREQUEST706_OFFSET 2
+# define INTC_INTREQ22_IREQUEST706_SIZE 1
+#define INTC_INTPR23                 0x5c
+# define INTC_INTPR23_INTLEV_OFFSET  30
+# define INTC_INTPR23_INTLEV_SIZE    2
+# define INTC_INTPR23_OFFSET_OFFSET  0
+# define INTC_INTPR23_OFFSET_SIZE    24
+#define INTC_INTREQ23                0x15c
+# define INTC_INTREQ23_IREQUEST736_OFFSET 0
+# define INTC_INTREQ23_IREQUEST736_SIZE 1
+# define INTC_INTREQ23_IREQUEST737_OFFSET 1
+# define INTC_INTREQ23_IREQUEST737_SIZE 1
+# define INTC_INTREQ23_IREQUEST738_OFFSET 2
+# define INTC_INTREQ23_IREQUEST738_SIZE 1
+#define INTC_INTPR24                 0x60
+# define INTC_INTPR24_INTLEV_OFFSET  30
+# define INTC_INTPR24_INTLEV_SIZE    2
+# define INTC_INTPR24_OFFSET_OFFSET  0
+# define INTC_INTPR24_OFFSET_SIZE    24
+#define INTC_INTREQ24                0x160
+# define INTC_INTREQ24_IREQUEST768_OFFSET 0
+# define INTC_INTREQ24_IREQUEST768_SIZE 1
+#define INTC_INTPR25                 0x64
+# define INTC_INTPR25_INTLEV_OFFSET  30
+# define INTC_INTPR25_INTLEV_SIZE    2
+# define INTC_INTPR25_OFFSET_OFFSET  0
+# define INTC_INTPR25_OFFSET_SIZE    24
+#define INTC_INTREQ25                0x164
+# define INTC_INTREQ25_IREQUEST800_OFFSET 0
+# define INTC_INTREQ25_IREQUEST800_SIZE 1
+#define INTC_INTPR26                 0x68
+# define INTC_INTPR26_INTLEV_OFFSET  30
+# define INTC_INTPR26_INTLEV_SIZE    2
+# define INTC_INTPR26_OFFSET_OFFSET  0
+# define INTC_INTPR26_OFFSET_SIZE    24
+#define INTC_INTREQ26                0x168
+# define INTC_INTREQ26_IREQUEST832_OFFSET 0
+# define INTC_INTREQ26_IREQUEST832_SIZE 1
+#define INTC_INTPR27                 0x6c
+# define INTC_INTPR27_INTLEV_OFFSET  30
+# define INTC_INTPR27_INTLEV_SIZE    2
+# define INTC_INTPR27_OFFSET_OFFSET  0
+# define INTC_INTPR27_OFFSET_SIZE    24
+#define INTC_INTREQ27                0x16c
+# define INTC_INTREQ27_IREQUEST864_OFFSET 0
+# define INTC_INTREQ27_IREQUEST864_SIZE 1
+#define INTC_INTPR28                 0x70
+# define INTC_INTPR28_INTLEV_OFFSET  30
+# define INTC_INTPR28_INTLEV_SIZE    2
+# define INTC_INTPR28_OFFSET_OFFSET  0
+# define INTC_INTPR28_OFFSET_SIZE    24
+#define INTC_INTREQ28                0x170
+# define INTC_INTREQ28_IREQUEST896_OFFSET 0
+# define INTC_INTREQ28_IREQUEST896_SIZE 1
+#define INTC_INTPR29                 0x74
+# define INTC_INTPR29_INTLEV_OFFSET  30
+# define INTC_INTPR29_INTLEV_SIZE    2
+# define INTC_INTPR29_OFFSET_OFFSET  0
+# define INTC_INTPR29_OFFSET_SIZE    24
+#define INTC_INTREQ29                0x174
+# define INTC_INTREQ29_IREQUEST928_OFFSET 0
+# define INTC_INTREQ29_IREQUEST928_SIZE 1
+#define INTC_INTPR30                 0x78
+# define INTC_INTPR30_INTLEV_OFFSET  30
+# define INTC_INTPR30_INTLEV_SIZE    2
+# define INTC_INTPR30_OFFSET_OFFSET  0
+# define INTC_INTPR30_OFFSET_SIZE    24
+#define INTC_INTREQ30                0x178
+# define INTC_INTREQ30_IREQUEST960_OFFSET 0
+# define INTC_INTREQ30_IREQUEST960_SIZE 1
+#define INTC_INTPR31                 0x7c
+# define INTC_INTPR31_INTLEV_OFFSET  30
+# define INTC_INTPR31_INTLEV_SIZE    2
+# define INTC_INTPR31_OFFSET_OFFSET  0
+# define INTC_INTPR31_OFFSET_SIZE    24
+#define INTC_INTREQ31                0x17c
+# define INTC_INTREQ31_IREQUEST992_OFFSET 0
+# define INTC_INTREQ31_IREQUEST992_SIZE 1
+#define INTC_INTPR32                 0x80
+# define INTC_INTPR32_INTLEV_OFFSET  30
+# define INTC_INTPR32_INTLEV_SIZE    2
+# define INTC_INTPR32_OFFSET_OFFSET  0
+# define INTC_INTPR32_OFFSET_SIZE    24
+#define INTC_INTREQ32                0x180
+# define INTC_INTREQ32_IREQUEST1024_OFFSET 0
+# define INTC_INTREQ32_IREQUEST1024_SIZE 1
+#define INTC_INTCAUSE0               0x20c
+# define INTC_INTCAUSE0_CAUSEGRP_OFFSET 0
+# define INTC_INTCAUSE0_CAUSEGRP_SIZE 6
+#define INTC_INTCAUSE1               0x208
+# define INTC_INTCAUSE1_CAUSEGRP_OFFSET 0
+# define INTC_INTCAUSE1_CAUSEGRP_SIZE 6
+#define INTC_INTCAUSE2               0x204
+# define INTC_INTCAUSE2_CAUSEGRP_OFFSET 0
+# define INTC_INTCAUSE2_CAUSEGRP_SIZE 6
+#define INTC_INTCAUSE3               0x200
+# define INTC_INTCAUSE3_CAUSEGRP_OFFSET 0
+# define INTC_INTCAUSE3_CAUSEGRP_SIZE 6
+
+#define INTC_BIT(name)               (1 << INTC_##name##_OFFSET)
+#define INTC_MKBF(name, value)       (((value) & ((1 << INTC_##name##_SIZE) - 1)) << INTC_##name##_OFFSET)
+#define INTC_GETBF(name, value)      (((value) >> INTC_##name##_OFFSET) & ((1 << INTC_##name##_SIZE) - 1))
+
+#define intc_readl(port,reg)         readl((port)->regs + INTC_##reg)
+#define intc_writel(port,reg,value)  writel((value), (port)->regs + INTC_##reg)
+
+#endif /* __ASM_AVR32_PERIHP_INTC_H__ */
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
new file mode 100644
index 000000000000..d3aabfca8598
--- /dev/null
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -0,0 +1,118 @@
+/*
+ * Atmel PIO2 Port Multiplexer support
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/debugfs.h>
+#include <linux/fs.h>
+#include <linux/platform_device.h>
+
+#include <asm/io.h>
+
+#include <asm/arch/portmux.h>
+
+#include "pio.h"
+
+#define MAX_NR_PIO_DEVICES		8
+
+struct pio_device {
+	void __iomem *regs;
+	const struct platform_device *pdev;
+	struct clk *clk;
+	u32 alloc_mask;
+	char name[32];
+};
+
+static struct pio_device pio_dev[MAX_NR_PIO_DEVICES];
+
+void portmux_set_func(unsigned int portmux_id, unsigned int pin_id,
+		      unsigned int function_id)
+{
+	struct pio_device *pio;
+	u32 mask = 1 << pin_id;
+
+	BUG_ON(portmux_id >= MAX_NR_PIO_DEVICES);
+
+	pio = &pio_dev[portmux_id];
+
+	if (function_id)
+		pio_writel(pio, BSR, mask);
+	else
+		pio_writel(pio, ASR, mask);
+	pio_writel(pio, PDR, mask);
+}
+
+static int __init pio_probe(struct platform_device *pdev)
+{
+	struct pio_device *pio = NULL;
+
+	BUG_ON(pdev->id >= MAX_NR_PIO_DEVICES);
+	pio = &pio_dev[pdev->id];
+	BUG_ON(!pio->regs);
+
+	/* TODO: Interrupts */
+
+	platform_set_drvdata(pdev, pio);
+
+	printk(KERN_INFO "%s: Atmel Port Multiplexer at 0x%p (irq %d)\n",
+	       pio->name, pio->regs, platform_get_irq(pdev, 0));
+
+	return 0;
+}
+
+static struct platform_driver pio_driver = {
+	.probe		= pio_probe,
+	.driver		= {
+		.name		= "pio",
+	},
+};
+
+static int __init pio_init(void)
+{
+	return platform_driver_register(&pio_driver);
+}
+subsys_initcall(pio_init);
+
+void __init at32_init_pio(struct platform_device *pdev)
+{
+	struct resource *regs;
+	struct pio_device *pio;
+
+	if (pdev->id > MAX_NR_PIO_DEVICES) {
+		dev_err(&pdev->dev, "only %d PIO devices supported\n",
+			MAX_NR_PIO_DEVICES);
+		return;
+	}
+
+	pio = &pio_dev[pdev->id];
+	snprintf(pio->name, sizeof(pio->name), "pio%d", pdev->id);
+
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!regs) {
+		dev_err(&pdev->dev, "no mmio resource defined\n");
+		return;
+	}
+
+	pio->clk = clk_get(&pdev->dev, "mck");
+	if (IS_ERR(pio->clk))
+		/*
+		 * This is a fatal error, but if we continue we might
+		 * be so lucky that we manage to initialize the
+		 * console and display this message...
+		 */
+		dev_err(&pdev->dev, "no mck clock defined\n");
+	else
+		clk_enable(pio->clk);
+
+	pio->pdev = pdev;
+	pio->regs = ioremap(regs->start, regs->end - regs->start + 1);
+
+	pio_writel(pio, ODR, ~0UL);
+	pio_writel(pio, PER, ~0UL);
+}
diff --git a/arch/avr32/mach-at32ap/pio.h b/arch/avr32/mach-at32ap/pio.h
new file mode 100644
index 000000000000..cfea12351599
--- /dev/null
+++ b/arch/avr32/mach-at32ap/pio.h
@@ -0,0 +1,178 @@
+/*
+ * Atmel PIO2 Port Multiplexer support
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ARCH_AVR32_AT32AP_PIO_H__
+#define __ARCH_AVR32_AT32AP_PIO_H__
+
+/* PIO register offsets */
+#define PIO_PER                                0x0000
+#define PIO_PDR                                0x0004
+#define PIO_PSR                                0x0008
+#define PIO_OER                                0x0010
+#define PIO_ODR                                0x0014
+#define PIO_OSR                                0x0018
+#define PIO_IFER                               0x0020
+#define PIO_IFDR                               0x0024
+#define PIO_ISFR                               0x0028
+#define PIO_SODR                               0x0030
+#define PIO_CODR                               0x0034
+#define PIO_ODSR                               0x0038
+#define PIO_PDSR                               0x003c
+#define PIO_IER                                0x0040
+#define PIO_IDR                                0x0044
+#define PIO_IMR                                0x0048
+#define PIO_ISR                                0x004c
+#define PIO_MDER                               0x0050
+#define PIO_MDDR                               0x0054
+#define PIO_MDSR                               0x0058
+#define PIO_PUDR                               0x0060
+#define PIO_PUER                               0x0064
+#define PIO_PUSR                               0x0068
+#define PIO_ASR                                0x0070
+#define PIO_BSR                                0x0074
+#define PIO_ABSR                               0x0078
+#define PIO_OWER                               0x00a0
+#define PIO_OWDR                               0x00a4
+#define PIO_OWSR                               0x00a8
+
+/* Bitfields in PER */
+
+/* Bitfields in PDR */
+
+/* Bitfields in PSR */
+
+/* Bitfields in OER */
+
+/* Bitfields in ODR */
+
+/* Bitfields in OSR */
+
+/* Bitfields in IFER */
+
+/* Bitfields in IFDR */
+
+/* Bitfields in ISFR */
+
+/* Bitfields in SODR */
+
+/* Bitfields in CODR */
+
+/* Bitfields in ODSR */
+
+/* Bitfields in PDSR */
+
+/* Bitfields in IER */
+
+/* Bitfields in IDR */
+
+/* Bitfields in IMR */
+
+/* Bitfields in ISR */
+
+/* Bitfields in MDER */
+
+/* Bitfields in MDDR */
+
+/* Bitfields in MDSR */
+
+/* Bitfields in PUDR */
+
+/* Bitfields in PUER */
+
+/* Bitfields in PUSR */
+
+/* Bitfields in ASR */
+
+/* Bitfields in BSR */
+
+/* Bitfields in ABSR */
+#define PIO_P0_OFFSET                          0
+#define PIO_P0_SIZE                            1
+#define PIO_P1_OFFSET                          1
+#define PIO_P1_SIZE                            1
+#define PIO_P2_OFFSET                          2
+#define PIO_P2_SIZE                            1
+#define PIO_P3_OFFSET                          3
+#define PIO_P3_SIZE                            1
+#define PIO_P4_OFFSET                          4
+#define PIO_P4_SIZE                            1
+#define PIO_P5_OFFSET                          5
+#define PIO_P5_SIZE                            1
+#define PIO_P6_OFFSET                          6
+#define PIO_P6_SIZE                            1
+#define PIO_P7_OFFSET                          7
+#define PIO_P7_SIZE                            1
+#define PIO_P8_OFFSET                          8
+#define PIO_P8_SIZE                            1
+#define PIO_P9_OFFSET                          9
+#define PIO_P9_SIZE                            1
+#define PIO_P10_OFFSET                         10
+#define PIO_P10_SIZE                           1
+#define PIO_P11_OFFSET                         11
+#define PIO_P11_SIZE                           1
+#define PIO_P12_OFFSET                         12
+#define PIO_P12_SIZE                           1
+#define PIO_P13_OFFSET                         13
+#define PIO_P13_SIZE                           1
+#define PIO_P14_OFFSET                         14
+#define PIO_P14_SIZE                           1
+#define PIO_P15_OFFSET                         15
+#define PIO_P15_SIZE                           1
+#define PIO_P16_OFFSET                         16
+#define PIO_P16_SIZE                           1
+#define PIO_P17_OFFSET                         17
+#define PIO_P17_SIZE                           1
+#define PIO_P18_OFFSET                         18
+#define PIO_P18_SIZE                           1
+#define PIO_P19_OFFSET                         19
+#define PIO_P19_SIZE                           1
+#define PIO_P20_OFFSET                         20
+#define PIO_P20_SIZE                           1
+#define PIO_P21_OFFSET                         21
+#define PIO_P21_SIZE                           1
+#define PIO_P22_OFFSET                         22
+#define PIO_P22_SIZE                           1
+#define PIO_P23_OFFSET                         23
+#define PIO_P23_SIZE                           1
+#define PIO_P24_OFFSET                         24
+#define PIO_P24_SIZE                           1
+#define PIO_P25_OFFSET                         25
+#define PIO_P25_SIZE                           1
+#define PIO_P26_OFFSET                         26
+#define PIO_P26_SIZE                           1
+#define PIO_P27_OFFSET                         27
+#define PIO_P27_SIZE                           1
+#define PIO_P28_OFFSET                         28
+#define PIO_P28_SIZE                           1
+#define PIO_P29_OFFSET                         29
+#define PIO_P29_SIZE                           1
+#define PIO_P30_OFFSET                         30
+#define PIO_P30_SIZE                           1
+#define PIO_P31_OFFSET                         31
+#define PIO_P31_SIZE                           1
+
+/* Bitfields in OWER */
+
+/* Bitfields in OWDR */
+
+/* Bitfields in OWSR */
+
+/* Bit manipulation macros */
+#define PIO_BIT(name)                          (1 << PIO_##name##_OFFSET)
+#define PIO_BF(name,value)                     (((value) & ((1 << PIO_##name##_SIZE) - 1)) << PIO_##name##_OFFSET)
+#define PIO_BFEXT(name,value)                  (((value) >> PIO_##name##_OFFSET) & ((1 << PIO_##name##_SIZE) - 1))
+#define PIO_BFINS(name,value,old)              (((old) & ~(((1 << PIO_##name##_SIZE) - 1) << PIO_##name##_OFFSET)) | PIO_BF(name,value))
+
+/* Register access macros */
+#define pio_readl(port,reg)                    readl((port)->regs + PIO_##reg)
+#define pio_writel(port,reg,value)             writel((value), (port)->regs + PIO_##reg)
+
+void at32_init_pio(struct platform_device *pdev);
+
+#endif /* __ARCH_AVR32_AT32AP_PIO_H__ */
diff --git a/arch/avr32/mach-at32ap/sm.c b/arch/avr32/mach-at32ap/sm.c
new file mode 100644
index 000000000000..03306eb0345e
--- /dev/null
+++ b/arch/avr32/mach-at32ap/sm.c
@@ -0,0 +1,289 @@
+/*
+ * System Manager driver for AT32AP CPUs
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/random.h>
+#include <linux/spinlock.h>
+
+#include <asm/intc.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+
+#include <asm/arch/sm.h>
+
+#include "sm.h"
+
+#define SM_EIM_IRQ_RESOURCE	1
+#define SM_PM_IRQ_RESOURCE	2
+#define SM_RTC_IRQ_RESOURCE	3
+
+#define to_eim(irqc) container_of(irqc, struct at32_sm, irqc)
+
+struct at32_sm system_manager;
+
+int __init at32_sm_init(void)
+{
+	struct resource *regs;
+	struct at32_sm *sm = &system_manager;
+	int ret = -ENXIO;
+
+	regs = platform_get_resource(&at32_sm_device, IORESOURCE_MEM, 0);
+	if (!regs)
+		goto fail;
+
+	spin_lock_init(&sm->lock);
+	sm->pdev = &at32_sm_device;
+
+	ret = -ENOMEM;
+	sm->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!sm->regs)
+		goto fail;
+
+	return 0;
+
+fail:
+	printk(KERN_ERR "Failed to initialize System Manager: %d\n", ret);
+	return ret;
+}
+
+/*
+ * External Interrupt Module (EIM).
+ *
+ * EIM gets level- or edge-triggered interrupts of either polarity
+ * from the outside and converts it to active-high level-triggered
+ * interrupts that the internal interrupt controller can handle. EIM
+ * also provides masking/unmasking of interrupts, as well as
+ * acknowledging of edge-triggered interrupts.
+ */
+
+static irqreturn_t spurious_eim_interrupt(int irq, void *dev_id,
+					  struct pt_regs *regs)
+{
+	printk(KERN_WARNING "Spurious EIM interrupt %d\n", irq);
+	disable_irq(irq);
+	return IRQ_NONE;
+}
+
+static struct irqaction eim_spurious_action = {
+	.handler = spurious_eim_interrupt,
+};
+
+static irqreturn_t eim_handle_irq(int irq, void *dev_id, struct pt_regs *regs)
+{
+	struct irq_controller * irqc = dev_id;
+	struct at32_sm *sm = to_eim(irqc);
+	unsigned long pending;
+
+	/*
+	 * No need to disable interrupts globally.  The interrupt
+	 * level relevant to this group must be masked all the time,
+	 * so we know that this particular EIM instance will not be
+	 * re-entered.
+	 */
+	spin_lock(&sm->lock);
+
+	pending = intc_get_pending(sm->irqc.irq_group);
+	if (unlikely(!pending)) {
+		printk(KERN_ERR "EIM (group %u): No interrupts pending!\n",
+		       sm->irqc.irq_group);
+		goto unlock;
+	}
+
+	do {
+		struct irqaction *action;
+		unsigned int i;
+
+		i = fls(pending) - 1;
+		pending &= ~(1 << i);
+		action = sm->action[i];
+
+		/* Acknowledge the interrupt */
+		sm_writel(sm, EIM_ICR, 1 << i);
+
+		spin_unlock(&sm->lock);
+
+		if (action->flags & SA_INTERRUPT)
+			local_irq_disable();
+		action->handler(sm->irqc.first_irq + i, action->dev_id, regs);
+		local_irq_enable();
+		spin_lock(&sm->lock);
+		if (action->flags & SA_SAMPLE_RANDOM)
+			add_interrupt_randomness(sm->irqc.first_irq + i);
+	} while (pending);
+
+unlock:
+	spin_unlock(&sm->lock);
+	return IRQ_HANDLED;
+}
+
+static void eim_mask(struct irq_controller *irqc, unsigned int irq)
+{
+	struct at32_sm *sm = to_eim(irqc);
+	unsigned int i;
+
+	i = irq - sm->irqc.first_irq;
+	sm_writel(sm, EIM_IDR, 1 << i);
+}
+
+static void eim_unmask(struct irq_controller *irqc, unsigned int irq)
+{
+	struct at32_sm *sm = to_eim(irqc);
+	unsigned int i;
+
+	i = irq - sm->irqc.first_irq;
+	sm_writel(sm, EIM_IER, 1 << i);
+}
+
+static int eim_setup(struct irq_controller *irqc, unsigned int irq,
+		struct irqaction *action)
+{
+	struct at32_sm *sm = to_eim(irqc);
+	sm->action[irq - sm->irqc.first_irq] = action;
+	/* Acknowledge earlier interrupts */
+	sm_writel(sm, EIM_ICR, (1<<(irq - sm->irqc.first_irq)));
+	eim_unmask(irqc, irq);
+	return 0;
+}
+
+static void eim_free(struct irq_controller *irqc, unsigned int irq,
+		void *dev)
+{
+	struct at32_sm *sm = to_eim(irqc);
+	eim_mask(irqc, irq);
+	sm->action[irq - sm->irqc.first_irq] = &eim_spurious_action;
+}
+
+static int eim_set_type(struct irq_controller *irqc, unsigned int irq,
+			unsigned int type)
+{
+	struct at32_sm *sm = to_eim(irqc);
+	unsigned long flags;
+	u32 value, pattern;
+
+	spin_lock_irqsave(&sm->lock, flags);
+
+	pattern = 1 << (irq - sm->irqc.first_irq);
+
+	value = sm_readl(sm, EIM_MODE);
+	if (type & IRQ_TYPE_LEVEL)
+		value |= pattern;
+	else
+		value &= ~pattern;
+	sm_writel(sm, EIM_MODE, value);
+	value = sm_readl(sm, EIM_EDGE);
+	if (type & IRQ_EDGE_RISING)
+		value |= pattern;
+	else
+		value &= ~pattern;
+	sm_writel(sm, EIM_EDGE, value);
+	value = sm_readl(sm, EIM_LEVEL);
+	if (type & IRQ_LEVEL_HIGH)
+		value |= pattern;
+	else
+		value &= ~pattern;
+	sm_writel(sm, EIM_LEVEL, value);
+
+	spin_unlock_irqrestore(&sm->lock, flags);
+
+	return 0;
+}
+
+static unsigned int eim_get_type(struct irq_controller *irqc,
+				 unsigned int irq)
+{
+	struct at32_sm *sm = to_eim(irqc);
+	unsigned long flags;
+	unsigned int type = 0;
+	u32 mode, edge, level, pattern;
+
+	pattern = 1 << (irq - sm->irqc.first_irq);
+
+	spin_lock_irqsave(&sm->lock, flags);
+	mode = sm_readl(sm, EIM_MODE);
+	edge = sm_readl(sm, EIM_EDGE);
+	level = sm_readl(sm, EIM_LEVEL);
+	spin_unlock_irqrestore(&sm->lock, flags);
+
+	if (mode & pattern)
+		type |= IRQ_TYPE_LEVEL;
+	if (edge & pattern)
+		type |= IRQ_EDGE_RISING;
+	if (level & pattern)
+		type |= IRQ_LEVEL_HIGH;
+
+	return type;
+}
+
+static struct irq_controller_class eim_irq_class = {
+	.typename	= "EIM",
+	.handle		= eim_handle_irq,
+	.setup		= eim_setup,
+	.free		= eim_free,
+	.mask		= eim_mask,
+	.unmask		= eim_unmask,
+	.set_type	= eim_set_type,
+	.get_type	= eim_get_type,
+};
+
+static int __init eim_init(void)
+{
+	struct at32_sm *sm = &system_manager;
+	unsigned int i;
+	u32 pattern;
+	int ret;
+
+	/*
+	 * The EIM is really the same module as SM, so register
+	 * mapping, etc. has been taken care of already.
+	 */
+
+	/*
+	 * Find out how many interrupt lines that are actually
+	 * implemented in hardware.
+	 */
+	sm_writel(sm, EIM_IDR, ~0UL);
+	sm_writel(sm, EIM_MODE, ~0UL);
+	pattern = sm_readl(sm, EIM_MODE);
+	sm->irqc.nr_irqs = fls(pattern);
+
+	ret = -ENOMEM;
+	sm->action = kmalloc(sizeof(*sm->action) * sm->irqc.nr_irqs,
+			     GFP_KERNEL);
+	if (!sm->action)
+		goto out;
+
+	for (i = 0; i < sm->irqc.nr_irqs; i++)
+		sm->action[i] = &eim_spurious_action;
+
+	spin_lock_init(&sm->lock);
+	sm->irqc.irq_group = sm->pdev->resource[SM_EIM_IRQ_RESOURCE].start;
+	sm->irqc.class = &eim_irq_class;
+
+	ret = intc_register_controller(&sm->irqc);
+	if (ret < 0)
+		goto out_free_actions;
+
+	printk("EIM: External Interrupt Module at 0x%p, IRQ group %u\n",
+	       sm->regs, sm->irqc.irq_group);
+	printk("EIM: Handling %u external IRQs, starting with IRQ%u\n",
+	       sm->irqc.nr_irqs, sm->irqc.first_irq);
+
+	return 0;
+
+out_free_actions:
+	kfree(sm->action);
+out:
+	return ret;
+}
+arch_initcall(eim_init);
diff --git a/arch/avr32/mach-at32ap/sm.h b/arch/avr32/mach-at32ap/sm.h
new file mode 100644
index 000000000000..27565822ae2a
--- /dev/null
+++ b/arch/avr32/mach-at32ap/sm.h
@@ -0,0 +1,240 @@
+/*
+ * Register definitions for SM
+ *
+ * System Manager
+ */
+#ifndef __ASM_AVR32_SM_H__
+#define __ASM_AVR32_SM_H__
+
+/* SM register offsets */
+#define SM_PM_MCCTRL                            0x0000
+#define SM_PM_CKSEL                             0x0004
+#define SM_PM_CPU_MASK                          0x0008
+#define SM_PM_HSB_MASK                          0x000c
+#define SM_PM_PBA_MASK                         0x0010
+#define SM_PM_PBB_MASK                         0x0014
+#define SM_PM_PLL0                              0x0020
+#define SM_PM_PLL1                              0x0024
+#define SM_PM_VCTRL                             0x0030
+#define SM_PM_VMREF                             0x0034
+#define SM_PM_VMV                               0x0038
+#define SM_PM_IER                               0x0040
+#define SM_PM_IDR                               0x0044
+#define SM_PM_IMR                               0x0048
+#define SM_PM_ISR                               0x004c
+#define SM_PM_ICR                               0x0050
+#define SM_PM_GCCTRL                            0x0060
+#define SM_RTC_CTRL                             0x0080
+#define SM_RTC_VAL                              0x0084
+#define SM_RTC_TOP                              0x0088
+#define SM_RTC_IER                              0x0090
+#define SM_RTC_IDR                              0x0094
+#define SM_RTC_IMR                              0x0098
+#define SM_RTC_ISR                              0x009c
+#define SM_RTC_ICR                              0x00a0
+#define SM_WDT_CTRL                             0x00b0
+#define SM_WDT_CLR                              0x00b4
+#define SM_WDT_EXT                              0x00b8
+#define SM_RC_RCAUSE                            0x00c0
+#define SM_EIM_IER                              0x0100
+#define SM_EIM_IDR                              0x0104
+#define SM_EIM_IMR                              0x0108
+#define SM_EIM_ISR                              0x010c
+#define SM_EIM_ICR                              0x0110
+#define SM_EIM_MODE                             0x0114
+#define SM_EIM_EDGE                             0x0118
+#define SM_EIM_LEVEL                            0x011c
+#define SM_EIM_TEST                             0x0120
+#define SM_EIM_NMIC                             0x0124
+
+/* Bitfields in PM_MCCTRL */
+
+/* Bitfields in PM_CKSEL */
+#define SM_CPUSEL_OFFSET                        0
+#define SM_CPUSEL_SIZE                          3
+#define SM_CPUDIV_OFFSET                        7
+#define SM_CPUDIV_SIZE                          1
+#define SM_HSBSEL_OFFSET                        8
+#define SM_HSBSEL_SIZE                          3
+#define SM_HSBDIV_OFFSET                        15
+#define SM_HSBDIV_SIZE                          1
+#define SM_PBASEL_OFFSET                       16
+#define SM_PBASEL_SIZE                         3
+#define SM_PBADIV_OFFSET                       23
+#define SM_PBADIV_SIZE                         1
+#define SM_PBBSEL_OFFSET                       24
+#define SM_PBBSEL_SIZE                         3
+#define SM_PBBDIV_OFFSET                       31
+#define SM_PBBDIV_SIZE                         1
+
+/* Bitfields in PM_CPU_MASK */
+
+/* Bitfields in PM_HSB_MASK */
+
+/* Bitfields in PM_PBA_MASK */
+
+/* Bitfields in PM_PBB_MASK */
+
+/* Bitfields in PM_PLL0 */
+#define SM_PLLEN_OFFSET                         0
+#define SM_PLLEN_SIZE                           1
+#define SM_PLLOSC_OFFSET                        1
+#define SM_PLLOSC_SIZE                          1
+#define SM_PLLOPT_OFFSET                        2
+#define SM_PLLOPT_SIZE                          3
+#define SM_PLLDIV_OFFSET                        8
+#define SM_PLLDIV_SIZE                          8
+#define SM_PLLMUL_OFFSET                        16
+#define SM_PLLMUL_SIZE                          8
+#define SM_PLLCOUNT_OFFSET                      24
+#define SM_PLLCOUNT_SIZE                        6
+#define SM_PLLTEST_OFFSET                       31
+#define SM_PLLTEST_SIZE                         1
+
+/* Bitfields in PM_PLL1 */
+
+/* Bitfields in PM_VCTRL */
+#define SM_VAUTO_OFFSET                         0
+#define SM_VAUTO_SIZE                           1
+#define SM_PM_VCTRL_VAL_OFFSET                  8
+#define SM_PM_VCTRL_VAL_SIZE                    7
+
+/* Bitfields in PM_VMREF */
+#define SM_REFSEL_OFFSET                        0
+#define SM_REFSEL_SIZE                          4
+
+/* Bitfields in PM_VMV */
+#define SM_PM_VMV_VAL_OFFSET                    0
+#define SM_PM_VMV_VAL_SIZE                      8
+
+/* Bitfields in PM_IER */
+
+/* Bitfields in PM_IDR */
+
+/* Bitfields in PM_IMR */
+
+/* Bitfields in PM_ISR */
+
+/* Bitfields in PM_ICR */
+#define SM_LOCK0_OFFSET                         0
+#define SM_LOCK0_SIZE                           1
+#define SM_LOCK1_OFFSET                         1
+#define SM_LOCK1_SIZE                           1
+#define SM_WAKE_OFFSET                          2
+#define SM_WAKE_SIZE                            1
+#define SM_VOK_OFFSET                           3
+#define SM_VOK_SIZE                             1
+#define SM_VMRDY_OFFSET                         4
+#define SM_VMRDY_SIZE                           1
+#define SM_CKRDY_OFFSET                         5
+#define SM_CKRDY_SIZE                           1
+
+/* Bitfields in PM_GCCTRL */
+#define SM_OSCSEL_OFFSET                        0
+#define SM_OSCSEL_SIZE                          1
+#define SM_PLLSEL_OFFSET                        1
+#define SM_PLLSEL_SIZE                          1
+#define SM_CEN_OFFSET                           2
+#define SM_CEN_SIZE                             1
+#define SM_CPC_OFFSET                           3
+#define SM_CPC_SIZE                             1
+#define SM_DIVEN_OFFSET                         4
+#define SM_DIVEN_SIZE                           1
+#define SM_DIV_OFFSET                           8
+#define SM_DIV_SIZE                             8
+
+/* Bitfields in RTC_CTRL */
+#define SM_PCLR_OFFSET                          1
+#define SM_PCLR_SIZE                            1
+#define SM_TOPEN_OFFSET                         2
+#define SM_TOPEN_SIZE                           1
+#define SM_CLKEN_OFFSET                         3
+#define SM_CLKEN_SIZE                           1
+#define SM_PSEL_OFFSET                          8
+#define SM_PSEL_SIZE                            16
+
+/* Bitfields in RTC_VAL */
+#define SM_RTC_VAL_VAL_OFFSET                   0
+#define SM_RTC_VAL_VAL_SIZE                     31
+
+/* Bitfields in RTC_TOP */
+#define SM_RTC_TOP_VAL_OFFSET                   0
+#define SM_RTC_TOP_VAL_SIZE                     32
+
+/* Bitfields in RTC_IER */
+
+/* Bitfields in RTC_IDR */
+
+/* Bitfields in RTC_IMR */
+
+/* Bitfields in RTC_ISR */
+
+/* Bitfields in RTC_ICR */
+#define SM_TOPI_OFFSET                          0
+#define SM_TOPI_SIZE                            1
+
+/* Bitfields in WDT_CTRL */
+#define SM_KEY_OFFSET                           24
+#define SM_KEY_SIZE                             8
+
+/* Bitfields in WDT_CLR */
+
+/* Bitfields in WDT_EXT */
+
+/* Bitfields in RC_RCAUSE */
+#define SM_POR_OFFSET                           0
+#define SM_POR_SIZE                             1
+#define SM_BOD_OFFSET                           1
+#define SM_BOD_SIZE                             1
+#define SM_EXT_OFFSET                           2
+#define SM_EXT_SIZE                             1
+#define SM_WDT_OFFSET                           3
+#define SM_WDT_SIZE                             1
+#define SM_NTAE_OFFSET                          4
+#define SM_NTAE_SIZE                            1
+#define SM_SERP_OFFSET                          5
+#define SM_SERP_SIZE                            1
+
+/* Bitfields in EIM_IER */
+
+/* Bitfields in EIM_IDR */
+
+/* Bitfields in EIM_IMR */
+
+/* Bitfields in EIM_ISR */
+
+/* Bitfields in EIM_ICR */
+
+/* Bitfields in EIM_MODE */
+
+/* Bitfields in EIM_EDGE */
+#define SM_INT0_OFFSET                          0
+#define SM_INT0_SIZE                            1
+#define SM_INT1_OFFSET                          1
+#define SM_INT1_SIZE                            1
+#define SM_INT2_OFFSET                          2
+#define SM_INT2_SIZE                            1
+#define SM_INT3_OFFSET                          3
+#define SM_INT3_SIZE                            1
+
+/* Bitfields in EIM_LEVEL */
+
+/* Bitfields in EIM_TEST */
+#define SM_TESTEN_OFFSET                        31
+#define SM_TESTEN_SIZE                          1
+
+/* Bitfields in EIM_NMIC */
+#define SM_EN_OFFSET                            0
+#define SM_EN_SIZE                              1
+
+/* Bit manipulation macros */
+#define SM_BIT(name)                            (1 << SM_##name##_OFFSET)
+#define SM_BF(name,value)                       (((value) & ((1 << SM_##name##_SIZE) - 1)) << SM_##name##_OFFSET)
+#define SM_BFEXT(name,value)                    (((value) >> SM_##name##_OFFSET) & ((1 << SM_##name##_SIZE) - 1))
+#define SM_BFINS(name,value,old)                (((old) & ~(((1 << SM_##name##_SIZE) - 1) << SM_##name##_OFFSET)) | SM_BF(name,value))
+
+/* Register access macros */
+#define sm_readl(port,reg)                      readl((port)->regs + SM_##reg)
+#define sm_writel(port,reg,value)               writel((value), (port)->regs + SM_##reg)
+
+#endif /* __ASM_AVR32_SM_H__ */
diff --git a/arch/avr32/mm/Makefile b/arch/avr32/mm/Makefile
new file mode 100644
index 000000000000..0066491f90d4
--- /dev/null
+++ b/arch/avr32/mm/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile for the Linux/AVR32 kernel.
+#
+
+obj-y				+= init.o clear_page.o copy_page.o dma-coherent.o
+obj-y				+= ioremap.o cache.o fault.o tlb.o
diff --git a/arch/avr32/mm/cache.c b/arch/avr32/mm/cache.c
new file mode 100644
index 000000000000..450515b245a0
--- /dev/null
+++ b/arch/avr32/mm/cache.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/highmem.h>
+#include <linux/unistd.h>
+
+#include <asm/cacheflush.h>
+#include <asm/cachectl.h>
+#include <asm/processor.h>
+#include <asm/uaccess.h>
+
+/*
+ * If you attempt to flush anything more than this, you need superuser
+ * privileges.  The value is completely arbitrary.
+ */
+#define CACHEFLUSH_MAX_LEN	1024
+
+void invalidate_dcache_region(void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = boot_cpu_data.dcache.linesz;
+
+	//printk("invalidate dcache: %p + %u\n", start, size);
+
+	/* You asked for it, you got it */
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		invalidate_dcache_line((void *)v);
+}
+
+void clean_dcache_region(void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = boot_cpu_data.dcache.linesz;
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		clean_dcache_line((void *)v);
+	flush_write_buffer();
+}
+
+void flush_dcache_region(void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = boot_cpu_data.dcache.linesz;
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		flush_dcache_line((void *)v);
+	flush_write_buffer();
+}
+
+void invalidate_icache_region(void *start, size_t size)
+{
+	unsigned long v, begin, end, linesz;
+
+	linesz = boot_cpu_data.icache.linesz;
+	begin = (unsigned long)start & ~(linesz - 1);
+	end = ((unsigned long)start + size + linesz - 1) & ~(linesz - 1);
+
+	for (v = begin; v < end; v += linesz)
+		invalidate_icache_line((void *)v);
+}
+
+static inline void __flush_icache_range(unsigned long start, unsigned long end)
+{
+	unsigned long v, linesz;
+
+	linesz = boot_cpu_data.dcache.linesz;
+	for (v = start; v < end; v += linesz) {
+		clean_dcache_line((void *)v);
+		invalidate_icache_line((void *)v);
+	}
+
+	flush_write_buffer();
+}
+
+/*
+ * This one is called after a module has been loaded.
+ */
+void flush_icache_range(unsigned long start, unsigned long end)
+{
+	unsigned long linesz;
+
+	linesz = boot_cpu_data.dcache.linesz;
+	__flush_icache_range(start & ~(linesz - 1),
+			     (end + linesz - 1) & ~(linesz - 1));
+}
+
+/*
+ * This one is called from do_no_page(), do_swap_page() and install_page().
+ */
+void flush_icache_page(struct vm_area_struct *vma, struct page *page)
+{
+	if (vma->vm_flags & VM_EXEC) {
+		void *v = kmap(page);
+		__flush_icache_range((unsigned long)v, (unsigned long)v + PAGE_SIZE);
+		kunmap(v);
+	}
+}
+
+/*
+ * This one is used by copy_to_user_page()
+ */
+void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
+			     unsigned long addr, int len)
+{
+	if (vma->vm_flags & VM_EXEC)
+		flush_icache_range(addr, addr + len);
+}
+
+asmlinkage int sys_cacheflush(int operation, void __user *addr, size_t len)
+{
+	int ret;
+
+	if (len > CACHEFLUSH_MAX_LEN) {
+		ret = -EPERM;
+		if (!capable(CAP_SYS_ADMIN))
+			goto out;
+	}
+
+	ret = -EFAULT;
+	if (!access_ok(VERIFY_WRITE, addr, len))
+		goto out;
+
+	switch (operation) {
+	case CACHE_IFLUSH:
+		flush_icache_range((unsigned long)addr,
+				   (unsigned long)addr + len);
+		ret = 0;
+		break;
+	default:
+		ret = -EINVAL;
+	}
+
+out:
+	return ret;
+}
diff --git a/arch/avr32/mm/clear_page.S b/arch/avr32/mm/clear_page.S
new file mode 100644
index 000000000000..5d70dca00699
--- /dev/null
+++ b/arch/avr32/mm/clear_page.S
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/linkage.h>
+#include <asm/page.h>
+
+/*
+ * clear_page
+ * r12: P1 address (to)
+ */
+	.text
+	.global clear_page
+clear_page:
+	sub	r9, r12, -PAGE_SIZE
+	mov     r10, 0
+	mov	r11, 0
+0:      st.d    r12++, r10
+	cp      r12, r9
+	brne	0b
+	mov     pc, lr
diff --git a/arch/avr32/mm/copy_page.S b/arch/avr32/mm/copy_page.S
new file mode 100644
index 000000000000..c2b3752946b8
--- /dev/null
+++ b/arch/avr32/mm/copy_page.S
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <asm/page.h>
+
+/*
+ * copy_page
+ *
+ * r12		to (P1 address)
+ * r11		from (P1 address)
+ * r8-r10	scratch
+ */
+	.text
+	.global copy_page
+copy_page:
+	sub	r10, r11, -(1 << PAGE_SHIFT)
+	/* pref	r11[0] */
+1:	/* pref	r11[8] */
+	ld.d	r8, r11++
+	st.d	r12++, r8
+	cp	r11, r10
+	brlo	1b
+	mov	pc, lr
diff --git a/arch/avr32/mm/dma-coherent.c b/arch/avr32/mm/dma-coherent.c
new file mode 100644
index 000000000000..44ab8a7bdae2
--- /dev/null
+++ b/arch/avr32/mm/dma-coherent.c
@@ -0,0 +1,139 @@
+/*
+ *  Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/dma-mapping.h>
+
+#include <asm/addrspace.h>
+#include <asm/cacheflush.h>
+
+void dma_cache_sync(void *vaddr, size_t size, int direction)
+{
+	/*
+	 * No need to sync an uncached area
+	 */
+	if (PXSEG(vaddr) == P2SEG)
+		return;
+
+	switch (direction) {
+	case DMA_FROM_DEVICE:		/* invalidate only */
+		dma_cache_inv(vaddr, size);
+		break;
+	case DMA_TO_DEVICE:		/* writeback only */
+		dma_cache_wback(vaddr, size);
+		break;
+	case DMA_BIDIRECTIONAL:		/* writeback and invalidate */
+		dma_cache_wback_inv(vaddr, size);
+		break;
+	default:
+		BUG();
+	}
+}
+EXPORT_SYMBOL(dma_cache_sync);
+
+static struct page *__dma_alloc(struct device *dev, size_t size,
+				dma_addr_t *handle, gfp_t gfp)
+{
+	struct page *page, *free, *end;
+	int order;
+
+	size = PAGE_ALIGN(size);
+	order = get_order(size);
+
+	page = alloc_pages(gfp, order);
+	if (!page)
+		return NULL;
+	split_page(page, order);
+
+	/*
+	 * When accessing physical memory with valid cache data, we
+	 * get a cache hit even if the virtual memory region is marked
+	 * as uncached.
+	 *
+	 * Since the memory is newly allocated, there is no point in
+	 * doing a writeback. If the previous owner cares, he should
+	 * have flushed the cache before releasing the memory.
+	 */
+	invalidate_dcache_region(phys_to_virt(page_to_phys(page)), size);
+
+	*handle = page_to_bus(page);
+	free = page + (size >> PAGE_SHIFT);
+	end = page + (1 << order);
+
+	/*
+	 * Free any unused pages
+	 */
+	while (free < end) {
+		__free_page(free);
+		free++;
+	}
+
+	return page;
+}
+
+static void __dma_free(struct device *dev, size_t size,
+		       struct page *page, dma_addr_t handle)
+{
+	struct page *end = page + (PAGE_ALIGN(size) >> PAGE_SHIFT);
+
+	while (page < end)
+		__free_page(page++);
+}
+
+void *dma_alloc_coherent(struct device *dev, size_t size,
+			 dma_addr_t *handle, gfp_t gfp)
+{
+	struct page *page;
+	void *ret = NULL;
+
+	page = __dma_alloc(dev, size, handle, gfp);
+	if (page)
+		ret = phys_to_uncached(page_to_phys(page));
+
+	return ret;
+}
+EXPORT_SYMBOL(dma_alloc_coherent);
+
+void dma_free_coherent(struct device *dev, size_t size,
+		       void *cpu_addr, dma_addr_t handle)
+{
+	void *addr = phys_to_cached(uncached_to_phys(cpu_addr));
+	struct page *page;
+
+	pr_debug("dma_free_coherent addr %p (phys %08lx) size %u\n",
+		 cpu_addr, (unsigned long)handle, (unsigned)size);
+	BUG_ON(!virt_addr_valid(addr));
+	page = virt_to_page(addr);
+	__dma_free(dev, size, page, handle);
+}
+EXPORT_SYMBOL(dma_free_coherent);
+
+#if 0
+void *dma_alloc_writecombine(struct device *dev, size_t size,
+			     dma_addr_t *handle, gfp_t gfp)
+{
+	struct page *page;
+
+	page = __dma_alloc(dev, size, handle, gfp);
+
+	/* Now, map the page into P3 with write-combining turned on */
+	return __ioremap(page_to_phys(page), size, _PAGE_BUFFER);
+}
+EXPORT_SYMBOL(dma_alloc_writecombine);
+
+void dma_free_writecombine(struct device *dev, size_t size,
+			   void *cpu_addr, dma_addr_t handle)
+{
+	struct page *page;
+
+	iounmap(cpu_addr);
+
+	page = bus_to_page(handle);
+	__dma_free(dev, size, page, handle);
+}
+EXPORT_SYMBOL(dma_free_writecombine);
+#endif
diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
new file mode 100644
index 000000000000..678557260a35
--- /dev/null
+++ b/arch/avr32/mm/fault.c
@@ -0,0 +1,315 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * Based on linux/arch/sh/mm/fault.c:
+ *   Copyright (C) 1999  Niibe Yutaka
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/pagemap.h>
+
+#include <asm/kdebug.h>
+#include <asm/mmu_context.h>
+#include <asm/sysreg.h>
+#include <asm/uaccess.h>
+#include <asm/tlb.h>
+
+#ifdef DEBUG
+static void dump_code(unsigned long pc)
+{
+	char *p = (char *)pc;
+	char val;
+	int i;
+
+
+	printk(KERN_DEBUG "Code:");
+	for (i = 0; i < 16; i++) {
+		if (__get_user(val, p + i))
+			break;
+		printk(" %02x", val);
+	}
+	printk("\n");
+}
+#endif
+
+#ifdef CONFIG_KPROBES
+ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
+
+/* Hook to register for page fault notifications */
+int register_page_fault_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_register(&notify_page_fault_chain, nb);
+}
+
+int unregister_page_fault_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_unregister(&notify_page_fault_chain, nb);
+}
+
+static inline int notify_page_fault(enum die_val val, struct pt_regs *regs,
+				    int trap, int sig)
+{
+	struct die_args args = {
+		.regs = regs,
+		.trapnr = trap,
+	};
+	return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args);
+}
+#else
+static inline int notify_page_fault(enum die_val val, struct pt_regs *regs,
+				    int trap, int sig)
+{
+	return NOTIFY_DONE;
+}
+#endif
+
+/*
+ * This routine handles page faults. It determines the address and the
+ * problem, and then passes it off to one of the appropriate routines.
+ *
+ * ecr is the Exception Cause Register. Possible values are:
+ *   5:  Page not found (instruction access)
+ *   6:  Protection fault (instruction access)
+ *   12: Page not found (read access)
+ *   13: Page not found (write access)
+ *   14: Protection fault (read access)
+ *   15: Protection fault (write access)
+ */
+asmlinkage void do_page_fault(unsigned long ecr, struct pt_regs *regs)
+{
+	struct task_struct *tsk;
+	struct mm_struct *mm;
+	struct vm_area_struct *vma;
+	const struct exception_table_entry *fixup;
+	unsigned long address;
+	unsigned long page;
+	int writeaccess = 0;
+
+	if (notify_page_fault(DIE_PAGE_FAULT, regs,
+			      ecr, SIGSEGV) == NOTIFY_STOP)
+		return;
+
+	address = sysreg_read(TLBEAR);
+
+	tsk = current;
+	mm = tsk->mm;
+
+	/*
+	 * If we're in an interrupt or have no user context, we must
+	 * not take the fault...
+	 */
+	if (in_atomic() || !mm || regs->sr & SYSREG_BIT(GM))
+		goto no_context;
+
+	local_irq_enable();
+
+	down_read(&mm->mmap_sem);
+
+	vma = find_vma(mm, address);
+	if (!vma)
+		goto bad_area;
+	if (vma->vm_start <= address)
+		goto good_area;
+	if (!(vma->vm_flags & VM_GROWSDOWN))
+		goto bad_area;
+	if (expand_stack(vma, address))
+		goto bad_area;
+
+	/*
+	 * Ok, we have a good vm_area for this memory access, so we
+	 * can handle it...
+	 */
+good_area:
+	//pr_debug("good area: vm_flags = 0x%lx\n", vma->vm_flags);
+	switch (ecr) {
+	case ECR_PROTECTION_X:
+	case ECR_TLB_MISS_X:
+		if (!(vma->vm_flags & VM_EXEC))
+			goto bad_area;
+		break;
+	case ECR_PROTECTION_R:
+	case ECR_TLB_MISS_R:
+		if (!(vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)))
+			goto bad_area;
+		break;
+	case ECR_PROTECTION_W:
+	case ECR_TLB_MISS_W:
+		if (!(vma->vm_flags & VM_WRITE))
+			goto bad_area;
+		writeaccess = 1;
+		break;
+	default:
+		panic("Unhandled case %lu in do_page_fault!", ecr);
+	}
+
+	/*
+	 * If for any reason at all we couldn't handle the fault, make
+	 * sure we exit gracefully rather than endlessly redo the
+	 * fault.
+	 */
+survive:
+	switch (handle_mm_fault(mm, vma, address, writeaccess)) {
+	case VM_FAULT_MINOR:
+		tsk->min_flt++;
+		break;
+	case VM_FAULT_MAJOR:
+		tsk->maj_flt++;
+		break;
+	case VM_FAULT_SIGBUS:
+		goto do_sigbus;
+	case VM_FAULT_OOM:
+		goto out_of_memory;
+	default:
+		BUG();
+	}
+
+	up_read(&mm->mmap_sem);
+	return;
+
+	/*
+	 * Something tried to access memory that isn't in our memory
+	 * map. Fix it, but check if it's kernel or user first...
+	 */
+bad_area:
+	pr_debug("Bad area [%s:%u]: addr %08lx, ecr %lu\n",
+		 tsk->comm, tsk->pid, address, ecr);
+
+	up_read(&mm->mmap_sem);
+
+	if (user_mode(regs)) {
+		/* Hmm...we have to pass address and ecr somehow... */
+		/* tsk->thread.address = address;
+		   tsk->thread.error_code = ecr; */
+#ifdef DEBUG
+		show_regs(regs);
+		dump_code(regs->pc);
+
+		page = sysreg_read(PTBR);
+		printk("ptbr = %08lx", page);
+		if (page) {
+			page = ((unsigned long *)page)[address >> 22];
+			printk(" pgd = %08lx", page);
+			if (page & _PAGE_PRESENT) {
+				page &= PAGE_MASK;
+				address &= 0x003ff000;
+				page = ((unsigned long *)__va(page))[address >> PAGE_SHIFT];
+				printk(" pte = %08lx\n", page);
+			}
+		}
+#endif
+		pr_debug("Sending SIGSEGV to PID %d...\n",
+			tsk->pid);
+		force_sig(SIGSEGV, tsk);
+		return;
+	}
+
+no_context:
+	pr_debug("No context\n");
+
+	/* Are we prepared to handle this kernel fault? */
+	fixup = search_exception_tables(regs->pc);
+	if (fixup) {
+		regs->pc = fixup->fixup;
+		pr_debug("Found fixup at %08lx\n", fixup->fixup);
+		return;
+	}
+
+	/*
+	 * Oops. The kernel tried to access some bad page. We'll have
+	 * to terminate things with extreme prejudice.
+	 */
+	if (address < PAGE_SIZE)
+		printk(KERN_ALERT
+		       "Unable to handle kernel NULL pointer dereference");
+	else
+		printk(KERN_ALERT
+		       "Unable to handle kernel paging request");
+	printk(" at virtual address %08lx\n", address);
+	printk(KERN_ALERT "pc = %08lx\n", regs->pc);
+
+	page = sysreg_read(PTBR);
+	printk(KERN_ALERT "ptbr = %08lx", page);
+	if (page) {
+		page = ((unsigned long *)page)[address >> 22];
+		printk(" pgd = %08lx", page);
+		if (page & _PAGE_PRESENT) {
+			page &= PAGE_MASK;
+			address &= 0x003ff000;
+			page = ((unsigned long *)__va(page))[address >> PAGE_SHIFT];
+			printk(" pte = %08lx\n", page);
+		}
+	}
+	die("\nOops", regs, ecr);
+	do_exit(SIGKILL);
+
+	/*
+	 * We ran out of memory, or some other thing happened to us
+	 * that made us unable to handle the page fault gracefully.
+	 */
+out_of_memory:
+	printk("Out of memory\n");
+	up_read(&mm->mmap_sem);
+	if (current->pid == 1) {
+		yield();
+		down_read(&mm->mmap_sem);
+		goto survive;
+	}
+	printk("VM: Killing process %s\n", tsk->comm);
+	if (user_mode(regs))
+		do_exit(SIGKILL);
+	goto no_context;
+
+do_sigbus:
+	up_read(&mm->mmap_sem);
+
+	/*
+	 * Send a sigbus, regardless of whether we were in kernel or
+	 * user mode.
+	 */
+	/* address, error_code, trap_no, ... */
+#ifdef DEBUG
+	show_regs(regs);
+	dump_code(regs->pc);
+#endif
+	pr_debug("Sending SIGBUS to PID %d...\n", tsk->pid);
+	force_sig(SIGBUS, tsk);
+
+	/* Kernel mode? Handle exceptions or die */
+	if (!user_mode(regs))
+		goto no_context;
+}
+
+asmlinkage void do_bus_error(unsigned long addr, int write_access,
+			     struct pt_regs *regs)
+{
+	printk(KERN_ALERT
+	       "Bus error at physical address 0x%08lx (%s access)\n",
+	       addr, write_access ? "write" : "read");
+	printk(KERN_INFO "DTLB dump:\n");
+	dump_dtlb();
+	die("Bus Error", regs, write_access);
+	do_exit(SIGKILL);
+}
+
+/*
+ * This functionality is currently not possible to implement because
+ * we're using segmentation to ensure a fixed mapping of the kernel
+ * virtual address space.
+ *
+ * It would be possible to implement this, but it would require us to
+ * disable segmentation at startup and load the kernel mappings into
+ * the TLB like any other pages. There will be lots of trickery to
+ * avoid recursive invocation of the TLB miss handler, though...
+ */
+#ifdef CONFIG_DEBUG_PAGEALLOC
+void kernel_map_pages(struct page *page, int numpages, int enable)
+{
+
+}
+EXPORT_SYMBOL(kernel_map_pages);
+#endif
diff --git a/arch/avr32/mm/init.c b/arch/avr32/mm/init.c
new file mode 100644
index 000000000000..3e6c41039808
--- /dev/null
+++ b/arch/avr32/mm/init.c
@@ -0,0 +1,480 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/swap.h>
+#include <linux/init.h>
+#include <linux/initrd.h>
+#include <linux/mmzone.h>
+#include <linux/bootmem.h>
+#include <linux/pagemap.h>
+#include <linux/pfn.h>
+#include <linux/nodemask.h>
+
+#include <asm/page.h>
+#include <asm/mmu_context.h>
+#include <asm/tlb.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+#include <asm/setup.h>
+#include <asm/sections.h>
+
+DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
+
+pgd_t swapper_pg_dir[PTRS_PER_PGD];
+
+struct page *empty_zero_page;
+
+/*
+ * Cache of MMU context last used.
+ */
+unsigned long mmu_context_cache = NO_CONTEXT;
+
+#define START_PFN	(NODE_DATA(0)->bdata->node_boot_start >> PAGE_SHIFT)
+#define MAX_LOW_PFN	(NODE_DATA(0)->bdata->node_low_pfn)
+
+void show_mem(void)
+{
+	int total = 0, reserved = 0, cached = 0;
+	int slab = 0, free = 0, shared = 0;
+	pg_data_t *pgdat;
+
+	printk("Mem-info:\n");
+	show_free_areas();
+
+	for_each_online_pgdat(pgdat) {
+		struct page *page, *end;
+
+		page = pgdat->node_mem_map;
+		end = page + pgdat->node_spanned_pages;
+
+		do {
+			total++;
+			if (PageReserved(page))
+				reserved++;
+			else if (PageSwapCache(page))
+				cached++;
+			else if (PageSlab(page))
+				slab++;
+			else if (!page_count(page))
+				free++;
+			else
+				shared += page_count(page) - 1;
+			page++;
+		} while (page < end);
+	}
+
+	printk ("%d pages of RAM\n", total);
+	printk ("%d free pages\n", free);
+	printk ("%d reserved pages\n", reserved);
+	printk ("%d slab pages\n", slab);
+	printk ("%d pages shared\n", shared);
+	printk ("%d pages swap cached\n", cached);
+}
+
+static void __init print_memory_map(const char *what,
+				    struct tag_mem_range *mem)
+{
+	printk ("%s:\n", what);
+	for (; mem; mem = mem->next) {
+		printk ("  %08lx - %08lx\n",
+			(unsigned long)mem->addr,
+			(unsigned long)(mem->addr + mem->size));
+	}
+}
+
+#define MAX_LOWMEM	HIGHMEM_START
+#define MAX_LOWMEM_PFN	PFN_DOWN(MAX_LOWMEM)
+
+/*
+ * Sort a list of memory regions in-place by ascending address.
+ *
+ * We're using bubble sort because we only have singly linked lists
+ * with few elements.
+ */
+static void __init sort_mem_list(struct tag_mem_range **pmem)
+{
+	int done;
+	struct tag_mem_range **a, **b;
+
+	if (!*pmem)
+		return;
+
+	do {
+		done = 1;
+		a = pmem, b = &(*pmem)->next;
+		while (*b) {
+			if ((*a)->addr > (*b)->addr) {
+				struct tag_mem_range *tmp;
+				tmp = (*b)->next;
+				(*b)->next = *a;
+				*a = *b;
+				*b = tmp;
+				done = 0;
+			}
+			a = &(*a)->next;
+			b = &(*a)->next;
+		}
+	} while (!done);
+}
+
+/*
+ * Find a free memory region large enough for storing the
+ * bootmem bitmap.
+ */
+static unsigned long __init
+find_bootmap_pfn(const struct tag_mem_range *mem)
+{
+	unsigned long bootmap_pages, bootmap_len;
+	unsigned long node_pages = PFN_UP(mem->size);
+	unsigned long bootmap_addr = mem->addr;
+	struct tag_mem_range *reserved = mem_reserved;
+	struct tag_mem_range *ramdisk = mem_ramdisk;
+	unsigned long kern_start = virt_to_phys(_stext);
+	unsigned long kern_end = virt_to_phys(_end);
+
+	bootmap_pages = bootmem_bootmap_pages(node_pages);
+	bootmap_len = bootmap_pages << PAGE_SHIFT;
+
+	/*
+	 * Find a large enough region without reserved pages for
+	 * storing the bootmem bitmap. We can take advantage of the
+	 * fact that all lists have been sorted.
+	 *
+	 * We have to check explicitly reserved regions as well as the
+	 * kernel image and any RAMDISK images...
+	 *
+	 * Oh, and we have to make sure we don't overwrite the taglist
+	 * since we're going to use it until the bootmem allocator is
+	 * fully up and running.
+	 */
+	while (1) {
+		if ((bootmap_addr < kern_end) &&
+		    ((bootmap_addr + bootmap_len) > kern_start))
+			bootmap_addr = kern_end;
+
+		while (reserved &&
+		       (bootmap_addr >= (reserved->addr + reserved->size)))
+			reserved = reserved->next;
+
+		if (reserved &&
+		    ((bootmap_addr + bootmap_len) >= reserved->addr)) {
+			bootmap_addr = reserved->addr + reserved->size;
+			continue;
+		}
+
+		while (ramdisk &&
+		       (bootmap_addr >= (ramdisk->addr + ramdisk->size)))
+			ramdisk = ramdisk->next;
+
+		if (!ramdisk ||
+		    ((bootmap_addr + bootmap_len) < ramdisk->addr))
+			break;
+
+		bootmap_addr = ramdisk->addr + ramdisk->size;
+	}
+
+	if ((PFN_UP(bootmap_addr) + bootmap_len) >= (mem->addr + mem->size))
+		return ~0UL;
+
+	return PFN_UP(bootmap_addr);
+}
+
+void __init setup_bootmem(void)
+{
+	unsigned bootmap_size;
+	unsigned long first_pfn, bootmap_pfn, pages;
+	unsigned long max_pfn, max_low_pfn;
+	unsigned long kern_start = virt_to_phys(_stext);
+	unsigned long kern_end = virt_to_phys(_end);
+	unsigned node = 0;
+	struct tag_mem_range *bank, *res;
+
+	sort_mem_list(&mem_phys);
+	sort_mem_list(&mem_reserved);
+
+	print_memory_map("Physical memory", mem_phys);
+	print_memory_map("Reserved memory", mem_reserved);
+
+	nodes_clear(node_online_map);
+
+	if (mem_ramdisk) {
+#ifdef CONFIG_BLK_DEV_INITRD
+		initrd_start = __va(mem_ramdisk->addr);
+		initrd_end = initrd_start + mem_ramdisk->size;
+
+		print_memory_map("RAMDISK images", mem_ramdisk);
+		if (mem_ramdisk->next)
+			printk(KERN_WARNING
+			       "Warning: Only the first RAMDISK image "
+			       "will be used\n");
+		sort_mem_list(&mem_ramdisk);
+#else
+		printk(KERN_WARNING "RAM disk image present, but "
+		       "no initrd support in kernel!\n");
+#endif
+	}
+
+	if (mem_phys->next)
+		printk(KERN_WARNING "Only using first memory bank\n");
+
+	for (bank = mem_phys; bank; bank = NULL) {
+		first_pfn = PFN_UP(bank->addr);
+		max_low_pfn = max_pfn = PFN_DOWN(bank->addr + bank->size);
+		bootmap_pfn = find_bootmap_pfn(bank);
+		if (bootmap_pfn > max_pfn)
+			panic("No space for bootmem bitmap!\n");
+
+		if (max_low_pfn > MAX_LOWMEM_PFN) {
+			max_low_pfn = MAX_LOWMEM_PFN;
+#ifndef CONFIG_HIGHMEM
+			/*
+			 * Lowmem is memory that can be addressed
+			 * directly through P1/P2
+			 */
+			printk(KERN_WARNING
+			       "Node %u: Only %ld MiB of memory will be used.\n",
+			       node, MAX_LOWMEM >> 20);
+			printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n");
+#else
+#error HIGHMEM is not supported by AVR32 yet
+#endif
+		}
+
+		/* Initialize the boot-time allocator with low memory only. */
+		bootmap_size = init_bootmem_node(NODE_DATA(node), bootmap_pfn,
+						 first_pfn, max_low_pfn);
+
+		printk("Node %u: bdata = %p, bdata->node_bootmem_map = %p\n",
+		       node, NODE_DATA(node)->bdata,
+		       NODE_DATA(node)->bdata->node_bootmem_map);
+
+		/*
+		 * Register fully available RAM pages with the bootmem
+		 * allocator.
+		 */
+		pages = max_low_pfn - first_pfn;
+		free_bootmem_node (NODE_DATA(node), PFN_PHYS(first_pfn),
+				   PFN_PHYS(pages));
+
+		/*
+		 * Reserve space for the kernel image (if present in
+		 * this node)...
+		 */
+		if ((kern_start >= PFN_PHYS(first_pfn)) &&
+		    (kern_start < PFN_PHYS(max_pfn))) {
+			printk("Node %u: Kernel image %08lx - %08lx\n",
+			       node, kern_start, kern_end);
+			reserve_bootmem_node(NODE_DATA(node), kern_start,
+					     kern_end - kern_start);
+		}
+
+		/* ...the bootmem bitmap... */
+		reserve_bootmem_node(NODE_DATA(node),
+				     PFN_PHYS(bootmap_pfn),
+				     bootmap_size);
+
+		/* ...any RAMDISK images... */
+		for (res = mem_ramdisk; res; res = res->next) {
+			if (res->addr > PFN_PHYS(max_pfn))
+				break;
+
+			if (res->addr >= PFN_PHYS(first_pfn)) {
+				printk("Node %u: RAMDISK %08lx - %08lx\n",
+				       node,
+				       (unsigned long)res->addr,
+				       (unsigned long)(res->addr + res->size));
+				reserve_bootmem_node(NODE_DATA(node),
+						     res->addr, res->size);
+			}
+		}
+
+		/* ...and any other reserved regions. */
+		for (res = mem_reserved; res; res = res->next) {
+			if (res->addr > PFN_PHYS(max_pfn))
+				break;
+
+			if (res->addr >= PFN_PHYS(first_pfn)) {
+				printk("Node %u: Reserved %08lx - %08lx\n",
+				       node,
+				       (unsigned long)res->addr,
+				       (unsigned long)(res->addr + res->size));
+				reserve_bootmem_node(NODE_DATA(node),
+						     res->addr, res->size);
+			}
+		}
+
+		node_set_online(node);
+	}
+}
+
+/*
+ * paging_init() sets up the page tables
+ *
+ * This routine also unmaps the page at virtual kernel address 0, so
+ * that we can trap those pesky NULL-reference errors in the kernel.
+ */
+void __init paging_init(void)
+{
+	extern unsigned long _evba;
+	void *zero_page;
+	int nid;
+
+	/*
+	 * Make sure we can handle exceptions before enabling
+	 * paging. Not that we should ever _get_ any exceptions this
+	 * early, but you never know...
+	 */
+	printk("Exception vectors start at %p\n", &_evba);
+	sysreg_write(EVBA, (unsigned long)&_evba);
+
+	/*
+	 * Since we are ready to handle exceptions now, we should let
+	 * the CPU generate them...
+	 */
+	__asm__ __volatile__ ("csrf %0" : : "i"(SR_EM_BIT));
+
+	/*
+	 * Allocate the zero page. The allocator will panic if it
+	 * can't satisfy the request, so no need to check.
+	 */
+	zero_page = alloc_bootmem_low_pages_node(NODE_DATA(0),
+						 PAGE_SIZE);
+
+	{
+		pgd_t *pg_dir;
+		int i;
+
+		pg_dir = swapper_pg_dir;
+		sysreg_write(PTBR, (unsigned long)pg_dir);
+
+		for (i = 0; i < PTRS_PER_PGD; i++)
+			pgd_val(pg_dir[i]) = 0;
+
+		enable_mmu();
+		printk ("CPU: Paging enabled\n");
+	}
+
+	for_each_online_node(nid) {
+		pg_data_t *pgdat = NODE_DATA(nid);
+		unsigned long zones_size[MAX_NR_ZONES];
+		unsigned long low, start_pfn;
+
+		start_pfn = pgdat->bdata->node_boot_start;
+		start_pfn >>= PAGE_SHIFT;
+		low = pgdat->bdata->node_low_pfn;
+
+		memset(zones_size, 0, sizeof(zones_size));
+		zones_size[ZONE_NORMAL] = low - start_pfn;
+
+		printk("Node %u: start_pfn = 0x%lx, low = 0x%lx\n",
+		       nid, start_pfn, low);
+
+		free_area_init_node(nid, pgdat, zones_size, start_pfn, NULL);
+
+		printk("Node %u: mem_map starts at %p\n",
+		       pgdat->node_id, pgdat->node_mem_map);
+	}
+
+	mem_map = NODE_DATA(0)->node_mem_map;
+
+	memset(zero_page, 0, PAGE_SIZE);
+	empty_zero_page = virt_to_page(zero_page);
+	flush_dcache_page(empty_zero_page);
+}
+
+void __init mem_init(void)
+{
+	int codesize, reservedpages, datasize, initsize;
+	int nid, i;
+
+	reservedpages = 0;
+	high_memory = NULL;
+
+	/* this will put all low memory onto the freelists */
+	for_each_online_node(nid) {
+		pg_data_t *pgdat = NODE_DATA(nid);
+		unsigned long node_pages = 0;
+		void *node_high_memory;
+
+		num_physpages += pgdat->node_present_pages;
+
+		if (pgdat->node_spanned_pages != 0)
+			node_pages = free_all_bootmem_node(pgdat);
+
+		totalram_pages += node_pages;
+
+		for (i = 0; i < node_pages; i++)
+			if (PageReserved(pgdat->node_mem_map + i))
+				reservedpages++;
+
+		node_high_memory = (void *)((pgdat->node_start_pfn
+					     + pgdat->node_spanned_pages)
+					    << PAGE_SHIFT);
+		if (node_high_memory > high_memory)
+			high_memory = node_high_memory;
+	}
+
+	max_mapnr = MAP_NR(high_memory);
+
+	codesize = (unsigned long)_etext - (unsigned long)_text;
+	datasize = (unsigned long)_edata - (unsigned long)_data;
+	initsize = (unsigned long)__init_end - (unsigned long)__init_begin;
+
+	printk ("Memory: %luk/%luk available (%dk kernel code, "
+		"%dk reserved, %dk data, %dk init)\n",
+		(unsigned long)nr_free_pages() << (PAGE_SHIFT - 10),
+		totalram_pages << (PAGE_SHIFT - 10),
+		codesize >> 10,
+		reservedpages << (PAGE_SHIFT - 10),
+		datasize >> 10,
+		initsize >> 10);
+}
+
+static inline void free_area(unsigned long addr, unsigned long end, char *s)
+{
+	unsigned int size = (end - addr) >> 10;
+
+	for (; addr < end; addr += PAGE_SIZE) {
+		struct page *page = virt_to_page(addr);
+		ClearPageReserved(page);
+		init_page_count(page);
+		free_page(addr);
+		totalram_pages++;
+	}
+
+	if (size && s)
+		printk(KERN_INFO "Freeing %s memory: %dK (%lx - %lx)\n",
+		       s, size, end - (size << 10), end);
+}
+
+void free_initmem(void)
+{
+	free_area((unsigned long)__init_begin, (unsigned long)__init_end,
+		  "init");
+}
+
+#ifdef CONFIG_BLK_DEV_INITRD
+
+static int keep_initrd;
+
+void free_initrd_mem(unsigned long start, unsigned long end)
+{
+	if (!keep_initrd)
+		free_area(start, end, "initrd");
+}
+
+static int __init keepinitrd_setup(char *__unused)
+{
+	keep_initrd = 1;
+	return 1;
+}
+
+__setup("keepinitrd", keepinitrd_setup);
+#endif
diff --git a/arch/avr32/mm/ioremap.c b/arch/avr32/mm/ioremap.c
new file mode 100644
index 000000000000..536021877df6
--- /dev/null
+++ b/arch/avr32/mm/ioremap.c
@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/vmalloc.h>
+#include <linux/module.h>
+
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+#include <asm/addrspace.h>
+
+static inline int remap_area_pte(pte_t *pte, unsigned long address,
+				  unsigned long end, unsigned long phys_addr,
+				  pgprot_t prot)
+{
+	unsigned long pfn;
+
+	pfn = phys_addr >> PAGE_SHIFT;
+	do {
+		WARN_ON(!pte_none(*pte));
+
+		set_pte(pte, pfn_pte(pfn, prot));
+		address += PAGE_SIZE;
+		pfn++;
+		pte++;
+	} while (address && (address < end));
+
+	return 0;
+}
+
+static inline int remap_area_pmd(pmd_t *pmd, unsigned long address,
+				 unsigned long end, unsigned long phys_addr,
+				 pgprot_t prot)
+{
+	unsigned long next;
+
+	phys_addr -= address;
+
+	do {
+		pte_t *pte = pte_alloc_kernel(pmd, address);
+		if (!pte)
+			return -ENOMEM;
+
+		next = (address + PMD_SIZE) & PMD_MASK;
+		if (remap_area_pte(pte, address, next,
+				   address + phys_addr, prot))
+			return -ENOMEM;
+
+		address = next;
+		pmd++;
+	} while (address && (address < end));
+	return 0;
+}
+
+static int remap_area_pud(pud_t *pud, unsigned long address,
+			  unsigned long end, unsigned long phys_addr,
+			  pgprot_t prot)
+{
+	unsigned long next;
+
+	phys_addr -= address;
+
+	do {
+		pmd_t *pmd = pmd_alloc(&init_mm, pud, address);
+		if (!pmd)
+			return -ENOMEM;
+		next = (address + PUD_SIZE) & PUD_MASK;
+		if (remap_area_pmd(pmd, address, next,
+				   phys_addr + address, prot))
+			return -ENOMEM;
+
+		address = next;
+		pud++;
+	} while (address && address < end);
+
+	return 0;
+}
+
+static int remap_area_pages(unsigned long address, unsigned long phys_addr,
+			    size_t size, pgprot_t prot)
+{
+	unsigned long end = address + size;
+	unsigned long next;
+	pgd_t *pgd;
+	int err = 0;
+
+	phys_addr -= address;
+
+	pgd = pgd_offset_k(address);
+	flush_cache_all();
+	BUG_ON(address >= end);
+
+	spin_lock(&init_mm.page_table_lock);
+	do {
+		pud_t *pud = pud_alloc(&init_mm, pgd, address);
+
+		err = -ENOMEM;
+		if (!pud)
+			break;
+
+		next = (address + PGDIR_SIZE) & PGDIR_MASK;
+		if (next < address || next > end)
+			next = end;
+		err = remap_area_pud(pud, address, next,
+				     phys_addr + address, prot);
+		if (err)
+			break;
+
+		address = next;
+		pgd++;
+	} while (address && (address < end));
+
+	spin_unlock(&init_mm.page_table_lock);
+	flush_tlb_all();
+	return err;
+}
+
+/*
+ * Re-map an arbitrary physical address space into the kernel virtual
+ * address space. Needed when the kernel wants to access physical
+ * memory directly.
+ */
+void __iomem *__ioremap(unsigned long phys_addr, size_t size,
+			unsigned long flags)
+{
+	void *addr;
+	struct vm_struct *area;
+	unsigned long offset, last_addr;
+	pgprot_t prot;
+
+	/*
+	 * Check if we can simply use the P4 segment. This area is
+	 * uncacheable, so if caching/buffering is requested, we can't
+	 * use it.
+	 */
+	if ((phys_addr >= P4SEG) && (flags == 0))
+		return (void __iomem *)phys_addr;
+
+	/* Don't allow wraparound or zero size */
+	last_addr = phys_addr + size - 1;
+	if (!size || last_addr < phys_addr)
+		return NULL;
+
+	/*
+	 * XXX: When mapping regular RAM, we'd better make damn sure
+	 * it's never used for anything else.  But this is really the
+	 * caller's responsibility...
+	 */
+	if (PHYSADDR(P2SEGADDR(phys_addr)) == phys_addr)
+		return (void __iomem *)P2SEGADDR(phys_addr);
+
+	/* Mappings have to be page-aligned */
+	offset = phys_addr & ~PAGE_MASK;
+	phys_addr &= PAGE_MASK;
+	size = PAGE_ALIGN(last_addr + 1) - phys_addr;
+
+	prot = __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY
+			| _PAGE_ACCESSED | _PAGE_TYPE_SMALL | flags);
+
+	/*
+	 * Ok, go for it..
+	 */
+	area = get_vm_area(size, VM_IOREMAP);
+	if (!area)
+		return NULL;
+	area->phys_addr = phys_addr;
+	addr = area->addr;
+	if (remap_area_pages((unsigned long)addr, phys_addr, size, prot)) {
+		vunmap(addr);
+		return NULL;
+	}
+
+	return (void __iomem *)(offset + (char *)addr);
+}
+EXPORT_SYMBOL(__ioremap);
+
+void __iounmap(void __iomem *addr)
+{
+	struct vm_struct *p;
+
+	if ((unsigned long)addr >= P4SEG)
+		return;
+
+	p = remove_vm_area((void *)(PAGE_MASK & (unsigned long __force)addr));
+	if (unlikely(!p)) {
+		printk (KERN_ERR "iounmap: bad address %p\n", addr);
+		return;
+	}
+
+	kfree (p);
+}
+EXPORT_SYMBOL(__iounmap);
diff --git a/arch/avr32/mm/tlb.c b/arch/avr32/mm/tlb.c
new file mode 100644
index 000000000000..7b073052203d
--- /dev/null
+++ b/arch/avr32/mm/tlb.c
@@ -0,0 +1,380 @@
+/*
+ * AVR32 TLB operations
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/mm.h>
+
+#include <asm/mmu_context.h>
+
+#define _TLBEHI_I	0x100
+
+void show_dtlb_entry(unsigned int index)
+{
+	unsigned int tlbehi, tlbehi_save, tlbelo, mmucr, mmucr_save;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	mmucr_save = sysreg_read(MMUCR);
+	tlbehi_save = sysreg_read(TLBEHI);
+	mmucr = mmucr_save & 0x13;
+	mmucr |= index << 14;
+	sysreg_write(MMUCR, mmucr);
+
+	asm volatile("tlbr" : : : "memory");
+	cpu_sync_pipeline();
+
+	tlbehi = sysreg_read(TLBEHI);
+	tlbelo = sysreg_read(TLBELO);
+
+	printk("%2u: %c %c %02x   %05x %05x %o  %o  %c %c %c %c\n",
+	       index,
+	       (tlbehi & 0x200)?'1':'0',
+	       (tlbelo & 0x100)?'1':'0',
+	       (tlbehi & 0xff),
+	       (tlbehi >> 12), (tlbelo >> 12),
+	       (tlbelo >> 4) & 7, (tlbelo >> 2) & 3,
+	       (tlbelo & 0x200)?'1':'0',
+	       (tlbelo & 0x080)?'1':'0',
+	       (tlbelo & 0x001)?'1':'0',
+	       (tlbelo & 0x002)?'1':'0');
+
+	sysreg_write(MMUCR, mmucr_save);
+	sysreg_write(TLBEHI, tlbehi_save);
+	cpu_sync_pipeline();
+	local_irq_restore(flags);
+}
+
+void dump_dtlb(void)
+{
+	unsigned int i;
+
+	printk("ID  V G ASID VPN   PFN   AP SZ C B W D\n");
+	for (i = 0; i < 32; i++)
+		show_dtlb_entry(i);
+}
+
+static unsigned long last_mmucr;
+
+static inline void set_replacement_pointer(unsigned shift)
+{
+	unsigned long mmucr, mmucr_save;
+
+	mmucr = mmucr_save = sysreg_read(MMUCR);
+
+	/* Does this mapping already exist? */
+	__asm__ __volatile__(
+		"	tlbs\n"
+		"	mfsr %0, %1"
+		: "=r"(mmucr)
+		: "i"(SYSREG_MMUCR));
+
+	if (mmucr & SYSREG_BIT(MMUCR_N)) {
+		/* Not found -- pick a not-recently-accessed entry */
+		unsigned long rp;
+		unsigned long tlbar = sysreg_read(TLBARLO);
+
+		rp = 32 - fls(tlbar);
+		if (rp == 32) {
+			rp = 0;
+			sysreg_write(TLBARLO, -1L);
+		}
+
+		mmucr &= 0x13;
+		mmucr |= (rp << shift);
+
+		sysreg_write(MMUCR, mmucr);
+	}
+
+	last_mmucr = mmucr;
+}
+
+static void update_dtlb(unsigned long address, pte_t pte, unsigned long asid)
+{
+	unsigned long vpn;
+
+	vpn = (address & MMU_VPN_MASK) | _TLBEHI_VALID | asid;
+	sysreg_write(TLBEHI, vpn);
+	cpu_sync_pipeline();
+
+	set_replacement_pointer(14);
+
+	sysreg_write(TLBELO, pte_val(pte) & _PAGE_FLAGS_HARDWARE_MASK);
+
+	/* Let's go */
+	asm volatile("nop\n\ttlbw" : : : "memory");
+	cpu_sync_pipeline();
+}
+
+void update_mmu_cache(struct vm_area_struct *vma,
+		      unsigned long address, pte_t pte)
+{
+	unsigned long flags;
+
+	/* ptrace may call this routine */
+	if (vma && current->active_mm != vma->vm_mm)
+		return;
+
+	local_irq_save(flags);
+	update_dtlb(address, pte, get_asid());
+	local_irq_restore(flags);
+}
+
+void __flush_tlb_page(unsigned long asid, unsigned long page)
+{
+	unsigned long mmucr, tlbehi;
+
+	page |= asid;
+	sysreg_write(TLBEHI, page);
+	cpu_sync_pipeline();
+	asm volatile("tlbs");
+	mmucr = sysreg_read(MMUCR);
+
+	if (!(mmucr & SYSREG_BIT(MMUCR_N))) {
+		unsigned long tlbarlo;
+		unsigned long entry;
+
+		/* Clear the "valid" bit */
+		tlbehi = sysreg_read(TLBEHI);
+		tlbehi &= ~_TLBEHI_VALID;
+		sysreg_write(TLBEHI, tlbehi);
+		cpu_sync_pipeline();
+
+		/* mark the entry as "not accessed" */
+		entry = (mmucr >> 14) & 0x3f;
+		tlbarlo = sysreg_read(TLBARLO);
+		tlbarlo |= (0x80000000 >> entry);
+		sysreg_write(TLBARLO, tlbarlo);
+
+		/* update the entry with valid bit clear */
+		asm volatile("tlbw");
+		cpu_sync_pipeline();
+	}
+}
+
+void flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
+{
+	if (vma->vm_mm && vma->vm_mm->context != NO_CONTEXT) {
+		unsigned long flags, asid;
+		unsigned long saved_asid = MMU_NO_ASID;
+
+		asid = vma->vm_mm->context & MMU_CONTEXT_ASID_MASK;
+		page &= PAGE_MASK;
+
+		local_irq_save(flags);
+		if (vma->vm_mm != current->mm) {
+			saved_asid = get_asid();
+			set_asid(asid);
+		}
+
+		__flush_tlb_page(asid, page);
+
+		if (saved_asid != MMU_NO_ASID)
+			set_asid(saved_asid);
+		local_irq_restore(flags);
+	}
+}
+
+void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
+		     unsigned long end)
+{
+	struct mm_struct *mm = vma->vm_mm;
+
+	if (mm->context != NO_CONTEXT) {
+		unsigned long flags;
+		int size;
+
+		local_irq_save(flags);
+		size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
+		if (size > (MMU_DTLB_ENTRIES / 4)) { /* Too many entries to flush */
+			mm->context = NO_CONTEXT;
+			if (mm == current->mm)
+				activate_context(mm);
+		} else {
+			unsigned long asid = mm->context & MMU_CONTEXT_ASID_MASK;
+			unsigned long saved_asid = MMU_NO_ASID;
+
+			start &= PAGE_MASK;
+			end += (PAGE_SIZE - 1);
+			end &= PAGE_MASK;
+			if (mm != current->mm) {
+				saved_asid = get_asid();
+				set_asid(asid);
+			}
+
+			while (start < end) {
+				__flush_tlb_page(asid, start);
+				start += PAGE_SIZE;
+			}
+			if (saved_asid != MMU_NO_ASID)
+				set_asid(saved_asid);
+		}
+		local_irq_restore(flags);
+	}
+}
+
+/*
+ * TODO: If this is only called for addresses > TASK_SIZE, we can probably
+ * skip the ASID stuff and just use the Global bit...
+ */
+void flush_tlb_kernel_range(unsigned long start, unsigned long end)
+{
+	unsigned long flags;
+	int size;
+
+	local_irq_save(flags);
+	size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
+	if (size > (MMU_DTLB_ENTRIES / 4)) { /* Too many entries to flush */
+		flush_tlb_all();
+	} else {
+		unsigned long asid = init_mm.context & MMU_CONTEXT_ASID_MASK;
+		unsigned long saved_asid = get_asid();
+
+		start &= PAGE_MASK;
+		end += (PAGE_SIZE - 1);
+		end &= PAGE_MASK;
+		set_asid(asid);
+		while (start < end) {
+			__flush_tlb_page(asid, start);
+			start += PAGE_SIZE;
+		}
+		set_asid(saved_asid);
+	}
+	local_irq_restore(flags);
+}
+
+void flush_tlb_mm(struct mm_struct *mm)
+{
+	/* Invalidate all TLB entries of this process by getting a new ASID */
+	if (mm->context != NO_CONTEXT) {
+		unsigned long flags;
+
+		local_irq_save(flags);
+		mm->context = NO_CONTEXT;
+		if (mm == current->mm)
+			activate_context(mm);
+		local_irq_restore(flags);
+	}
+}
+
+void flush_tlb_all(void)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	sysreg_write(MMUCR, sysreg_read(MMUCR) | SYSREG_BIT(MMUCR_I));
+	local_irq_restore(flags);
+}
+
+#ifdef CONFIG_PROC_FS
+
+#include <linux/seq_file.h>
+#include <linux/proc_fs.h>
+#include <linux/init.h>
+
+static void *tlb_start(struct seq_file *tlb, loff_t *pos)
+{
+	static unsigned long tlb_index;
+
+	if (*pos >= 32)
+		return NULL;
+
+	tlb_index = 0;
+	return &tlb_index;
+}
+
+static void *tlb_next(struct seq_file *tlb, void *v, loff_t *pos)
+{
+	unsigned long *index = v;
+
+	if (*index >= 31)
+		return NULL;
+
+	++*pos;
+	++*index;
+	return index;
+}
+
+static void tlb_stop(struct seq_file *tlb, void *v)
+{
+
+}
+
+static int tlb_show(struct seq_file *tlb, void *v)
+{
+	unsigned int tlbehi, tlbehi_save, tlbelo, mmucr, mmucr_save;
+	unsigned long flags;
+	unsigned long *index = v;
+
+	if (*index == 0)
+		seq_puts(tlb, "ID  V G ASID VPN   PFN   AP SZ C B W D\n");
+
+	BUG_ON(*index >= 32);
+
+	local_irq_save(flags);
+	mmucr_save = sysreg_read(MMUCR);
+	tlbehi_save = sysreg_read(TLBEHI);
+	mmucr = mmucr_save & 0x13;
+	mmucr |= *index << 14;
+	sysreg_write(MMUCR, mmucr);
+
+	asm volatile("tlbr" : : : "memory");
+	cpu_sync_pipeline();
+
+	tlbehi = sysreg_read(TLBEHI);
+	tlbelo = sysreg_read(TLBELO);
+
+	sysreg_write(MMUCR, mmucr_save);
+	sysreg_write(TLBEHI, tlbehi_save);
+	cpu_sync_pipeline();
+	local_irq_restore(flags);
+
+	seq_printf(tlb, "%2lu: %c %c %02x   %05x %05x %o  %o  %c %c %c %c\n",
+	       *index,
+	       (tlbehi & 0x200)?'1':'0',
+	       (tlbelo & 0x100)?'1':'0',
+	       (tlbehi & 0xff),
+	       (tlbehi >> 12), (tlbelo >> 12),
+	       (tlbelo >> 4) & 7, (tlbelo >> 2) & 3,
+	       (tlbelo & 0x200)?'1':'0',
+	       (tlbelo & 0x080)?'1':'0',
+	       (tlbelo & 0x001)?'1':'0',
+	       (tlbelo & 0x002)?'1':'0');
+
+	return 0;
+}
+
+static struct seq_operations tlb_ops = {
+	.start		= tlb_start,
+	.next		= tlb_next,
+	.stop		= tlb_stop,
+	.show		= tlb_show,
+};
+
+static int tlb_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &tlb_ops);
+}
+
+static struct file_operations proc_tlb_operations = {
+	.open		= tlb_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init proctlb_init(void)
+{
+	struct proc_dir_entry *entry;
+
+	entry = create_proc_entry("tlb", 0, NULL);
+	if (entry)
+		entry->proc_fops = &proc_tlb_operations;
+	return 0;
+}
+late_initcall(proctlb_init);
+#endif /* CONFIG_PROC_FS */
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index a601a17cf568..f7b171b92ea2 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -27,7 +27,11 @@ config GENERIC_CALIBRATE_DELAY
 
 config GENERIC_HARDIRQS
 	bool
-	default n
+	default y
+
+config GENERIC_HARDIRQS_NO__DO_IRQ
+	bool
+	default y
 
 config GENERIC_TIME
 	bool
@@ -251,6 +255,12 @@ config MB93091_NO_MB
 endchoice
 endif
 
+config FUJITSU_MB93493
+	bool "MB93493 Multimedia chip"
+	help
+	  Select this option if the MB93493 multimedia chip is going to be
+	  used.
+
 choice
 	prompt "GP-Relative data support"
 	default GPREL_DATA_8
diff --git a/arch/frv/kernel/Makefile b/arch/frv/kernel/Makefile
index 5a827b349b5e..32db3499c461 100644
--- a/arch/frv/kernel/Makefile
+++ b/arch/frv/kernel/Makefile
@@ -10,15 +10,14 @@ extra-y:= head.o init_task.o vmlinux.lds
 obj-y := $(heads-y) entry.o entry-table.o break.o switch_to.o kernel_thread.o \
 	 process.o traps.o ptrace.o signal.o dma.o \
 	 sys_frv.o time.o semaphore.o setup.o frv_ksyms.o \
-	 debug-stub.o irq.o irq-routing.o sleep.o uaccess.o
+	 debug-stub.o irq.o sleep.o uaccess.o
 
 obj-$(CONFIG_GDBSTUB)		+= gdb-stub.o gdb-io.o
 
 obj-$(CONFIG_MB93091_VDK)	+= irq-mb93091.o
-obj-$(CONFIG_MB93093_PDK)	+= irq-mb93093.o
-obj-$(CONFIG_FUJITSU_MB93493)	+= irq-mb93493.o
 obj-$(CONFIG_PM)		+= pm.o cmode.o
 obj-$(CONFIG_MB93093_PDK)	+= pm-mb93093.o
+obj-$(CONFIG_FUJITSU_MB93493)	+= irq-mb93493.o
 obj-$(CONFIG_SYSCTL)		+= sysctl.o
 obj-$(CONFIG_FUTEX)		+= futex.o
 obj-$(CONFIG_MODULES)		+= module.o
diff --git a/arch/frv/kernel/irq-mb93091.c b/arch/frv/kernel/irq-mb93091.c
index 1381abcd5cc9..369bc0a7443d 100644
--- a/arch/frv/kernel/irq-mb93091.c
+++ b/arch/frv/kernel/irq-mb93091.c
@@ -24,7 +24,6 @@
 #include <asm/delay.h>
 #include <asm/irq.h>
 #include <asm/irc-regs.h>
-#include <asm/irq-routing.h>
 
 #define __reg16(ADDR) (*(volatile unsigned short *)(ADDR))
 
@@ -33,83 +32,131 @@
 #define __get_IFR()	({ __reg16(0xffc0000c); })
 #define __clr_IFR(M)	do { __reg16(0xffc0000c) = ~(M); wmb(); } while(0)
 
-static void frv_fpga_doirq(struct irq_source *source);
-static void frv_fpga_control(struct irq_group *group, int irq, int on);
 
-/*****************************************************************************/
 /*
- * FPGA IRQ multiplexor
+ * on-motherboard FPGA PIC operations
  */
-static struct irq_source frv_fpga[4] = {
-#define __FPGA(X, M)					\
-	[X] = {						\
-		.muxname	= "fpga."#X,		\
-		.irqmask	= M,			\
-		.doirq		= frv_fpga_doirq,	\
-	}
+static void frv_fpga_mask(unsigned int irq)
+{
+	uint16_t imr = __get_IMR();
 
-	__FPGA(0, 0x0028),
-	__FPGA(1, 0x0050),
-	__FPGA(2, 0x1c00),
-	__FPGA(3, 0x6386),
-};
+	imr |= 1 << (irq - IRQ_BASE_FPGA);
 
-static struct irq_group frv_fpga_irqs = {
-	.first_irq	= IRQ_BASE_FPGA,
-	.control	= frv_fpga_control,
-	.sources = {
-		[ 1] = &frv_fpga[3],
-		[ 2] = &frv_fpga[3],
-		[ 3] = &frv_fpga[0],
-		[ 4] = &frv_fpga[1],
-		[ 5] = &frv_fpga[0],
-		[ 6] = &frv_fpga[1],
-		[ 7] = &frv_fpga[3],
-		[ 8] = &frv_fpga[3],
-		[ 9] = &frv_fpga[3],
-		[10] = &frv_fpga[2],
-		[11] = &frv_fpga[2],
-		[12] = &frv_fpga[2],
-		[13] = &frv_fpga[3],
-		[14] = &frv_fpga[3],
-	},
-};
+	__set_IMR(imr);
+}
 
+static void frv_fpga_ack(unsigned int irq)
+{
+	__clr_IFR(1 << (irq - IRQ_BASE_FPGA));
+}
 
-static void frv_fpga_control(struct irq_group *group, int index, int on)
+static void frv_fpga_mask_ack(unsigned int irq)
 {
 	uint16_t imr = __get_IMR();
 
-	if (on)
-		imr &= ~(1 << index);
-	else
-		imr |= 1 << index;
+	imr |= 1 << (irq - IRQ_BASE_FPGA);
+	__set_IMR(imr);
+
+	__clr_IFR(1 << (irq - IRQ_BASE_FPGA));
+}
+
+static void frv_fpga_unmask(unsigned int irq)
+{
+	uint16_t imr = __get_IMR();
+
+	imr &= ~(1 << (irq - IRQ_BASE_FPGA));
 
 	__set_IMR(imr);
 }
 
-static void frv_fpga_doirq(struct irq_source *source)
+static struct irq_chip frv_fpga_pic = {
+	.name		= "mb93091",
+	.ack		= frv_fpga_ack,
+	.mask		= frv_fpga_mask,
+	.mask_ack	= frv_fpga_mask_ack,
+	.unmask		= frv_fpga_unmask,
+};
+
+/*
+ * FPGA PIC interrupt handler
+ */
+static irqreturn_t fpga_interrupt(int irq, void *_mask, struct pt_regs *regs)
 {
-	uint16_t mask, imr;
+	uint16_t imr, mask = (unsigned long) _mask;
 
 	imr = __get_IMR();
-	mask = source->irqmask & ~imr & __get_IFR();
-	if (mask) {
-		__set_IMR(imr | mask);
-		__clr_IFR(mask);
-		distribute_irqs(&frv_fpga_irqs, mask);
-		__set_IMR(imr);
+	mask = mask & ~imr & __get_IFR();
+
+	/* poll all the triggered IRQs */
+	while (mask) {
+		int irq;
+
+		asm("scan %1,gr0,%0" : "=r"(irq) : "r"(mask));
+		irq = 31 - irq;
+		mask &= ~(1 << irq);
+
+		generic_handle_irq(IRQ_BASE_FPGA + irq, regs);
 	}
+
+	return IRQ_HANDLED;
 }
 
+/*
+ * define an interrupt action for each FPGA PIC output
+ * - use dev_id to indicate the FPGA PIC input to output mappings
+ */
+static struct irqaction fpga_irq[4]  = {
+	[0] = {
+		.handler	= fpga_interrupt,
+		.flags		= IRQF_DISABLED | IRQF_SHARED,
+		.mask		= CPU_MASK_NONE,
+		.name		= "fpga.0",
+		.dev_id		= (void *) 0x0028UL,
+	},
+	[1] = {
+		.handler	= fpga_interrupt,
+		.flags		= IRQF_DISABLED | IRQF_SHARED,
+		.mask		= CPU_MASK_NONE,
+		.name		= "fpga.1",
+		.dev_id		= (void *) 0x0050UL,
+	},
+	[2] = {
+		.handler	= fpga_interrupt,
+		.flags		= IRQF_DISABLED | IRQF_SHARED,
+		.mask		= CPU_MASK_NONE,
+		.name		= "fpga.2",
+		.dev_id		= (void *) 0x1c00UL,
+	},
+	[3] = {
+		.handler	= fpga_interrupt,
+		.flags		= IRQF_DISABLED | IRQF_SHARED,
+		.mask		= CPU_MASK_NONE,
+		.name		= "fpga.3",
+		.dev_id		= (void *) 0x6386UL,
+	}
+};
+
+/*
+ * initialise the motherboard FPGA's PIC
+ */
 void __init fpga_init(void)
 {
+	int irq;
+
+	/* all PIC inputs are all set to be low-level driven, apart from the
+	 * NMI button (15) which is fixed at falling-edge
+	 */
 	__set_IMR(0x7ffe);
 	__clr_IFR(0x0000);
 
-	frv_irq_route_external(&frv_fpga[0], IRQ_CPU_EXTERNAL0);
-	frv_irq_route_external(&frv_fpga[1], IRQ_CPU_EXTERNAL1);
-	frv_irq_route_external(&frv_fpga[2], IRQ_CPU_EXTERNAL2);
-	frv_irq_route_external(&frv_fpga[3], IRQ_CPU_EXTERNAL3);
-	frv_irq_set_group(&frv_fpga_irqs);
+	for (irq = IRQ_BASE_FPGA + 1; irq <= IRQ_BASE_FPGA + 14; irq++)
+		set_irq_chip_and_handler(irq, &frv_fpga_pic, handle_level_irq);
+
+	set_irq_chip_and_handler(IRQ_FPGA_NMI, &frv_fpga_pic, handle_edge_irq);
+
+	/* the FPGA drives the first four external IRQ inputs on the CPU PIC */
+	setup_irq(IRQ_CPU_EXTERNAL0, &fpga_irq[0]);
+	setup_irq(IRQ_CPU_EXTERNAL1, &fpga_irq[1]);
+	setup_irq(IRQ_CPU_EXTERNAL2, &fpga_irq[2]);
+	setup_irq(IRQ_CPU_EXTERNAL3, &fpga_irq[3]);
 }
diff --git a/arch/frv/kernel/irq-mb93093.c b/arch/frv/kernel/irq-mb93093.c
index 48b2a6420888..a43a22158956 100644
--- a/arch/frv/kernel/irq-mb93093.c
+++ b/arch/frv/kernel/irq-mb93093.c
@@ -1,6 +1,6 @@
 /* irq-mb93093.c: MB93093 FPGA interrupt handling
  *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
  *
  * This program is free software; you can redistribute it and/or
@@ -24,7 +24,6 @@
 #include <asm/delay.h>
 #include <asm/irq.h>
 #include <asm/irc-regs.h>
-#include <asm/irq-routing.h>
 
 #define __reg16(ADDR) (*(volatile unsigned short *)(__region_CS2 + (ADDR)))
 
@@ -33,66 +32,102 @@
 #define __get_IFR()	({ __reg16(0x02); })
 #define __clr_IFR(M)	do { __reg16(0x02) = ~(M); wmb(); } while(0)
 
-static void frv_fpga_doirq(struct irq_source *source);
-static void frv_fpga_control(struct irq_group *group, int irq, int on);
-
-/*****************************************************************************/
 /*
- * FPGA IRQ multiplexor
+ * off-CPU FPGA PIC operations
  */
-static struct irq_source frv_fpga[4] = {
-#define __FPGA(X, M)					\
-	[X] = {						\
-		.muxname	= "fpga."#X,		\
-		.irqmask	= M,			\
-		.doirq		= frv_fpga_doirq,	\
-	}
+static void frv_fpga_mask(unsigned int irq)
+{
+	uint16_t imr = __get_IMR();
 
-	__FPGA(0, 0x0700),
-};
+	imr |= 1 << (irq - IRQ_BASE_FPGA);
+	__set_IMR(imr);
+}
 
-static struct irq_group frv_fpga_irqs = {
-	.first_irq	= IRQ_BASE_FPGA,
-	.control	= frv_fpga_control,
-	.sources = {
-		[ 8] = &frv_fpga[0],
-		[ 9] = &frv_fpga[0],
-		[10] = &frv_fpga[0],
-	},
-};
+static void frv_fpga_ack(unsigned int irq)
+{
+	__clr_IFR(1 << (irq - IRQ_BASE_FPGA));
+}
+
+static void frv_fpga_mask_ack(unsigned int irq)
+{
+	uint16_t imr = __get_IMR();
 
+	imr |= 1 << (irq - IRQ_BASE_FPGA);
+	__set_IMR(imr);
+
+	__clr_IFR(1 << (irq - IRQ_BASE_FPGA));
+}
 
-static void frv_fpga_control(struct irq_group *group, int index, int on)
+static void frv_fpga_unmask(unsigned int irq)
 {
 	uint16_t imr = __get_IMR();
 
-	if (on)
-		imr &= ~(1 << index);
-	else
-		imr |= 1 << index;
+	imr &= ~(1 << (irq - IRQ_BASE_FPGA));
 
 	__set_IMR(imr);
 }
 
-static void frv_fpga_doirq(struct irq_source *source)
+static struct irq_chip frv_fpga_pic = {
+	.name		= "mb93093",
+	.ack		= frv_fpga_ack,
+	.mask		= frv_fpga_mask,
+	.mask_ack	= frv_fpga_mask_ack,
+	.unmask		= frv_fpga_unmask,
+	.end		= frv_fpga_end,
+};
+
+/*
+ * FPGA PIC interrupt handler
+ */
+static irqreturn_t fpga_interrupt(int irq, void *_mask, struct pt_regs *regs)
 {
-	uint16_t mask, imr;
+	uint16_t imr, mask = (unsigned long) _mask;
 
 	imr = __get_IMR();
-	mask = source->irqmask & ~imr & __get_IFR();
-	if (mask) {
-		__set_IMR(imr | mask);
-		__clr_IFR(mask);
-		distribute_irqs(&frv_fpga_irqs, mask);
-		__set_IMR(imr);
+	mask = mask & ~imr & __get_IFR();
+
+	/* poll all the triggered IRQs */
+	while (mask) {
+		int irq;
+
+		asm("scan %1,gr0,%0" : "=r"(irq) : "r"(mask));
+		irq = 31 - irq;
+		mask &= ~(1 << irq);
+
+		generic_irq_handle(IRQ_BASE_FPGA + irq, regs);
 	}
+
+	return IRQ_HANDLED;
 }
 
+/*
+ * define an interrupt action for each FPGA PIC output
+ * - use dev_id to indicate the FPGA PIC input to output mappings
+ */
+static struct irqaction fpga_irq[1]  = {
+	[0] = {
+		.handler	= fpga_interrupt,
+		.flags		= IRQF_DISABLED,
+		.mask		= CPU_MASK_NONE,
+		.name		= "fpga.0",
+		.dev_id		= (void *) 0x0700UL,
+	}
+};
+
+/*
+ * initialise the motherboard FPGA's PIC
+ */
 void __init fpga_init(void)
 {
+	int irq;
+
+	/* all PIC inputs are all set to be edge triggered */
 	__set_IMR(0x0700);
 	__clr_IFR(0x0000);
 
-	frv_irq_route_external(&frv_fpga[0], IRQ_CPU_EXTERNAL2);
-	frv_irq_set_group(&frv_fpga_irqs);
+	for (irq = IRQ_BASE_FPGA + 8; irq <= IRQ_BASE_FPGA + 10; irq++)
+		set_irq_chip_and_handler(irq, &frv_fpga_pic, handle_edge_irq);
+
+	/* the FPGA drives external IRQ input #2 on the CPU PIC */
+	setup_irq(IRQ_CPU_EXTERNAL2, &fpga_irq[0]);
 }
diff --git a/arch/frv/kernel/irq-mb93493.c b/arch/frv/kernel/irq-mb93493.c
index 988d035640e1..39c0188a3498 100644
--- a/arch/frv/kernel/irq-mb93493.c
+++ b/arch/frv/kernel/irq-mb93493.c
@@ -1,6 +1,6 @@
 /* irq-mb93493.c: MB93493 companion chip interrupt handler
  *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
+ * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
  *
  * This program is free software; you can redistribute it and/or
@@ -24,84 +24,126 @@
 #include <asm/delay.h>
 #include <asm/irq.h>
 #include <asm/irc-regs.h>
-#include <asm/irq-routing.h>
 #include <asm/mb93493-irqs.h>
+#include <asm/mb93493-regs.h>
 
-static void frv_mb93493_doirq(struct irq_source *source);
+#define IRQ_ROUTE_ONE(X) (X##_ROUTE << (X - IRQ_BASE_MB93493))
+
+#define IRQ_ROUTING					\
+	(IRQ_ROUTE_ONE(IRQ_MB93493_VDC)		|	\
+	 IRQ_ROUTE_ONE(IRQ_MB93493_VCC)		|	\
+	 IRQ_ROUTE_ONE(IRQ_MB93493_AUDIO_OUT)	|	\
+	 IRQ_ROUTE_ONE(IRQ_MB93493_I2C_0)	|	\
+	 IRQ_ROUTE_ONE(IRQ_MB93493_I2C_1)	|	\
+	 IRQ_ROUTE_ONE(IRQ_MB93493_USB)		|	\
+	 IRQ_ROUTE_ONE(IRQ_MB93493_LOCAL_BUS)	|	\
+	 IRQ_ROUTE_ONE(IRQ_MB93493_PCMCIA)	|	\
+	 IRQ_ROUTE_ONE(IRQ_MB93493_GPIO)	|	\
+	 IRQ_ROUTE_ONE(IRQ_MB93493_AUDIO_IN))
 
-/*****************************************************************************/
 /*
- * MB93493 companion chip IRQ multiplexor
+ * daughter board PIC operations
+ * - there is no way to ACK interrupts in the MB93493 chip
  */
-static struct irq_source frv_mb93493[2] = {
-	[0] = {
-		.muxname		= "mb93493.0",
-		.muxdata		= __region_CS3 + 0x3d0,
-		.doirq			= frv_mb93493_doirq,
-		.irqmask		= 0x0000,
-	},
-	[1] = {
-		.muxname		= "mb93493.1",
-		.muxdata		= __region_CS3 + 0x3d4,
-		.doirq			= frv_mb93493_doirq,
-		.irqmask		= 0x0000,
-	},
-};
-
-static void frv_mb93493_control(struct irq_group *group, int index, int on)
+static void frv_mb93493_mask(unsigned int irq)
 {
-	struct irq_source *source;
 	uint32_t iqsr;
+	volatile void *piqsr;
 
-	if ((frv_mb93493[0].irqmask & (1 << index)))
-		source = &frv_mb93493[0];
+	if (IRQ_ROUTING & (1 << (irq - IRQ_BASE_MB93493)))
+		piqsr = __addr_MB93493_IQSR(1);
 	else
-		source = &frv_mb93493[1];
+		piqsr = __addr_MB93493_IQSR(0);
+
+	iqsr = readl(piqsr);
+	iqsr &= ~(1 << (irq - IRQ_BASE_MB93493 + 16));
+	writel(iqsr, piqsr);
+}
 
-	iqsr = readl(source->muxdata);
-	if (on)
-		iqsr |= 1 << (index + 16);
+static void frv_mb93493_ack(unsigned int irq)
+{
+}
+
+static void frv_mb93493_unmask(unsigned int irq)
+{
+	uint32_t iqsr;
+	volatile void *piqsr;
+
+	if (IRQ_ROUTING & (1 << (irq - IRQ_BASE_MB93493)))
+		piqsr = __addr_MB93493_IQSR(1);
 	else
-		iqsr &= ~(1 << (index + 16));
+		piqsr = __addr_MB93493_IQSR(0);
 
-	writel(iqsr, source->muxdata);
+	iqsr = readl(piqsr);
+	iqsr |= 1 << (irq - IRQ_BASE_MB93493 + 16);
+	writel(iqsr, piqsr);
 }
 
-static struct irq_group frv_mb93493_irqs = {
-	.first_irq	= IRQ_BASE_MB93493,
-	.control	= frv_mb93493_control,
+static struct irq_chip frv_mb93493_pic = {
+	.name		= "mb93093",
+	.ack		= frv_mb93493_ack,
+	.mask		= frv_mb93493_mask,
+	.mask_ack	= frv_mb93493_mask,
+	.unmask		= frv_mb93493_unmask,
 };
 
-static void frv_mb93493_doirq(struct irq_source *source)
+/*
+ * MB93493 PIC interrupt handler
+ */
+static irqreturn_t mb93493_interrupt(int irq, void *_piqsr, struct pt_regs *regs)
 {
-	uint32_t mask = readl(source->muxdata);
-	mask = mask & (mask >> 16) & 0xffff;
+	volatile void *piqsr = _piqsr;
+	uint32_t iqsr;
 
-	if (mask)
-		distribute_irqs(&frv_mb93493_irqs, mask);
-}
+	iqsr = readl(piqsr);
+	iqsr = iqsr & (iqsr >> 16) & 0xffff;
 
-static void __init mb93493_irq_route(int irq, int source)
-{
-	frv_mb93493[source].irqmask |= 1 << (irq - IRQ_BASE_MB93493);
-	frv_mb93493_irqs.sources[irq - IRQ_BASE_MB93493] = &frv_mb93493[source];
+	/* poll all the triggered IRQs */
+	while (iqsr) {
+		int irq;
+
+		asm("scan %1,gr0,%0" : "=r"(irq) : "r"(iqsr));
+		irq = 31 - irq;
+		iqsr &= ~(1 << irq);
+
+		generic_handle_irq(IRQ_BASE_MB93493 + irq, regs);
+	}
+
+	return IRQ_HANDLED;
 }
 
-void __init route_mb93493_irqs(void)
+/*
+ * define an interrupt action for each MB93493 PIC output
+ * - use dev_id to indicate the MB93493 PIC input to output mappings
+ */
+static struct irqaction mb93493_irq[2]  = {
+	[0] = {
+		.handler	= mb93493_interrupt,
+		.flags		= IRQF_DISABLED | IRQF_SHARED,
+		.mask		= CPU_MASK_NONE,
+		.name		= "mb93493.0",
+		.dev_id		= (void *) __addr_MB93493_IQSR(0),
+	},
+	[1] = {
+		.handler	= mb93493_interrupt,
+		.flags		= IRQF_DISABLED | IRQF_SHARED,
+		.mask		= CPU_MASK_NONE,
+		.name		= "mb93493.1",
+		.dev_id		= (void *) __addr_MB93493_IQSR(1),
+	}
+};
+
+/*
+ * initialise the motherboard MB93493's PIC
+ */
+void __init mb93493_init(void)
 {
-	frv_irq_route_external(&frv_mb93493[0], IRQ_CPU_MB93493_0);
-	frv_irq_route_external(&frv_mb93493[1], IRQ_CPU_MB93493_1);
-
-	frv_irq_set_group(&frv_mb93493_irqs);
-
-	mb93493_irq_route(IRQ_MB93493_VDC,		IRQ_MB93493_VDC_ROUTE);
-	mb93493_irq_route(IRQ_MB93493_VCC,		IRQ_MB93493_VCC_ROUTE);
-	mb93493_irq_route(IRQ_MB93493_AUDIO_IN,		IRQ_MB93493_AUDIO_IN_ROUTE);
-	mb93493_irq_route(IRQ_MB93493_I2C_0,		IRQ_MB93493_I2C_0_ROUTE);
-	mb93493_irq_route(IRQ_MB93493_I2C_1,		IRQ_MB93493_I2C_1_ROUTE);
-	mb93493_irq_route(IRQ_MB93493_USB,		IRQ_MB93493_USB_ROUTE);
-	mb93493_irq_route(IRQ_MB93493_LOCAL_BUS,	IRQ_MB93493_LOCAL_BUS_ROUTE);
-	mb93493_irq_route(IRQ_MB93493_PCMCIA,		IRQ_MB93493_PCMCIA_ROUTE);
-	mb93493_irq_route(IRQ_MB93493_GPIO,		IRQ_MB93493_GPIO_ROUTE);
-	mb93493_irq_route(IRQ_MB93493_AUDIO_OUT,	IRQ_MB93493_AUDIO_OUT_ROUTE);
+	int irq;
+
+	for (irq = IRQ_BASE_MB93493 + 0; irq <= IRQ_BASE_MB93493 + 10; irq++)
+		set_irq_chip_and_handler(irq, &frv_mb93493_pic, handle_edge_irq);
+
+	/* the MB93493 drives external IRQ inputs on the CPU PIC */
+	setup_irq(IRQ_CPU_MB93493_0, &mb93493_irq[0]);
+	setup_irq(IRQ_CPU_MB93493_1, &mb93493_irq[1]);
 }
diff --git a/arch/frv/kernel/irq-routing.c b/arch/frv/kernel/irq-routing.c
deleted file mode 100644
index 53886adf47de..000000000000
--- a/arch/frv/kernel/irq-routing.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/* irq-routing.c: IRQ routing
- *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/sched.h>
-#include <linux/random.h>
-#include <linux/init.h>
-#include <linux/serial_reg.h>
-#include <asm/io.h>
-#include <asm/irq-routing.h>
-#include <asm/irc-regs.h>
-#include <asm/serial-regs.h>
-#include <asm/dma.h>
-
-struct irq_level frv_irq_levels[16] = {
-	[0 ... 15] = {
-		.lock	= SPIN_LOCK_UNLOCKED,
-	}
-};
-
-struct irq_group *irq_groups[NR_IRQ_GROUPS];
-
-extern struct irq_group frv_cpu_irqs;
-
-void __init frv_irq_route(struct irq_source *source, int irqlevel)
-{
-	source->level = &frv_irq_levels[irqlevel];
-	source->next = frv_irq_levels[irqlevel].sources;
-	frv_irq_levels[irqlevel].sources = source;
-}
-
-void __init frv_irq_route_external(struct irq_source *source, int irq)
-{
-	int irqlevel = 0;
-
-	switch (irq) {
-	case IRQ_CPU_EXTERNAL0:	irqlevel = IRQ_XIRQ0_LEVEL; break;
-	case IRQ_CPU_EXTERNAL1:	irqlevel = IRQ_XIRQ1_LEVEL; break;
-	case IRQ_CPU_EXTERNAL2:	irqlevel = IRQ_XIRQ2_LEVEL; break;
-	case IRQ_CPU_EXTERNAL3:	irqlevel = IRQ_XIRQ3_LEVEL; break;
-	case IRQ_CPU_EXTERNAL4:	irqlevel = IRQ_XIRQ4_LEVEL; break;
-	case IRQ_CPU_EXTERNAL5:	irqlevel = IRQ_XIRQ5_LEVEL; break;
-	case IRQ_CPU_EXTERNAL6:	irqlevel = IRQ_XIRQ6_LEVEL; break;
-	case IRQ_CPU_EXTERNAL7:	irqlevel = IRQ_XIRQ7_LEVEL; break;
-	default: BUG();
-	}
-
-	source->level = &frv_irq_levels[irqlevel];
-	source->next = frv_irq_levels[irqlevel].sources;
-	frv_irq_levels[irqlevel].sources = source;
-}
-
-void __init frv_irq_set_group(struct irq_group *group)
-{
-	irq_groups[group->first_irq >> NR_IRQ_LOG2_ACTIONS_PER_GROUP] = group;
-}
-
-void distribute_irqs(struct irq_group *group, unsigned long irqmask)
-{
-	struct irqaction *action;
-	int irq;
-
-	while (irqmask) {
-		asm("scan %1,gr0,%0" : "=r"(irq) : "r"(irqmask));
-		if (irq < 0 || irq > 31)
-			asm volatile("break");
-		irq = 31 - irq;
-
-		irqmask &= ~(1 << irq);
-		action = group->actions[irq];
-
-		irq += group->first_irq;
-
-		if (action) {
-			int status = 0;
-
-//			if (!(action->flags & IRQF_DISABLED))
-//				local_irq_enable();
-
-			do {
-				status |= action->flags;
-				action->handler(irq, action->dev_id, __frame);
-				action = action->next;
-			} while (action);
-
-			if (status & IRQF_SAMPLE_RANDOM)
-				add_interrupt_randomness(irq);
-			local_irq_disable();
-		}
-	}
-}
-
-/*****************************************************************************/
-/*
- * CPU UART interrupts
- */
-static void frv_cpuuart_doirq(struct irq_source *source)
-{
-//	uint8_t iir = readb(source->muxdata + UART_IIR * 8);
-//	if ((iir & 0x0f) != UART_IIR_NO_INT)
-		distribute_irqs(&frv_cpu_irqs, source->irqmask);
-}
-
-struct irq_source frv_cpuuart[2] = {
-#define __CPUUART(X, A)						\
-	[X] = {							\
-		.muxname	= "uart",			\
-		.muxdata	= (volatile void __iomem *)(unsigned long)A,\
-		.irqmask	= 1 << IRQ_CPU_UART##X,		\
-		.doirq		= frv_cpuuart_doirq,		\
-	}
-
-	__CPUUART(0, UART0_BASE),
-	__CPUUART(1, UART1_BASE),
-};
-
-/*****************************************************************************/
-/*
- * CPU DMA interrupts
- */
-static void frv_cpudma_doirq(struct irq_source *source)
-{
-	uint32_t cstr = readl(source->muxdata + DMAC_CSTRx);
-	if (cstr & DMAC_CSTRx_INT)
-		distribute_irqs(&frv_cpu_irqs, source->irqmask);
-}
-
-struct irq_source frv_cpudma[8] = {
-#define __CPUDMA(X, A)						\
-	[X] = {							\
-		.muxname	= "dma",			\
-		.muxdata	= (volatile void __iomem *)(unsigned long)A,\
-		.irqmask	= 1 << IRQ_CPU_DMA##X,		\
-		.doirq		= frv_cpudma_doirq,		\
-	}
-
-	__CPUDMA(0, 0xfe000900),
-	__CPUDMA(1, 0xfe000980),
-	__CPUDMA(2, 0xfe000a00),
-	__CPUDMA(3, 0xfe000a80),
-	__CPUDMA(4, 0xfe001000),
-	__CPUDMA(5, 0xfe001080),
-	__CPUDMA(6, 0xfe001100),
-	__CPUDMA(7, 0xfe001180),
-};
-
-/*****************************************************************************/
-/*
- * CPU timer interrupts - can't tell whether they've generated an interrupt or not
- */
-static void frv_cputimer_doirq(struct irq_source *source)
-{
-	distribute_irqs(&frv_cpu_irqs, source->irqmask);
-}
-
-struct irq_source frv_cputimer[3] = {
-#define __CPUTIMER(X)						\
-	[X] = {							\
-		.muxname	= "timer",			\
-		.muxdata	= NULL,				\
-		.irqmask	= 1 << IRQ_CPU_TIMER##X,	\
-		.doirq		= frv_cputimer_doirq,		\
-	}
-
-	__CPUTIMER(0),
-	__CPUTIMER(1),
-	__CPUTIMER(2),
-};
-
-/*****************************************************************************/
-/*
- * external CPU interrupts - can't tell directly whether they've generated an interrupt or not
- */
-static void frv_cpuexternal_doirq(struct irq_source *source)
-{
-	distribute_irqs(&frv_cpu_irqs, source->irqmask);
-}
-
-struct irq_source frv_cpuexternal[8] = {
-#define __CPUEXTERNAL(X)					\
-	[X] = {							\
-		.muxname	= "ext",			\
-		.muxdata	= NULL,				\
-		.irqmask	= 1 << IRQ_CPU_EXTERNAL##X,	\
-		.doirq		= frv_cpuexternal_doirq,	\
-	}
-
-	__CPUEXTERNAL(0),
-	__CPUEXTERNAL(1),
-	__CPUEXTERNAL(2),
-	__CPUEXTERNAL(3),
-	__CPUEXTERNAL(4),
-	__CPUEXTERNAL(5),
-	__CPUEXTERNAL(6),
-	__CPUEXTERNAL(7),
-};
-
-#define set_IRR(N,A,B,C,D) __set_IRR(N, (A << 28) | (B << 24) | (C << 20) | (D << 16))
-
-struct irq_group frv_cpu_irqs = {
-	.sources = {
-		[IRQ_CPU_UART0]		= &frv_cpuuart[0],
-		[IRQ_CPU_UART1]		= &frv_cpuuart[1],
-		[IRQ_CPU_TIMER0]	= &frv_cputimer[0],
-		[IRQ_CPU_TIMER1]	= &frv_cputimer[1],
-		[IRQ_CPU_TIMER2]	= &frv_cputimer[2],
-		[IRQ_CPU_DMA0]		= &frv_cpudma[0],
-		[IRQ_CPU_DMA1]		= &frv_cpudma[1],
-		[IRQ_CPU_DMA2]		= &frv_cpudma[2],
-		[IRQ_CPU_DMA3]		= &frv_cpudma[3],
-		[IRQ_CPU_DMA4]		= &frv_cpudma[4],
-		[IRQ_CPU_DMA5]		= &frv_cpudma[5],
-		[IRQ_CPU_DMA6]		= &frv_cpudma[6],
-		[IRQ_CPU_DMA7]		= &frv_cpudma[7],
-		[IRQ_CPU_EXTERNAL0]	= &frv_cpuexternal[0],
-		[IRQ_CPU_EXTERNAL1]	= &frv_cpuexternal[1],
-		[IRQ_CPU_EXTERNAL2]	= &frv_cpuexternal[2],
-		[IRQ_CPU_EXTERNAL3]	= &frv_cpuexternal[3],
-		[IRQ_CPU_EXTERNAL4]	= &frv_cpuexternal[4],
-		[IRQ_CPU_EXTERNAL5]	= &frv_cpuexternal[5],
-		[IRQ_CPU_EXTERNAL6]	= &frv_cpuexternal[6],
-		[IRQ_CPU_EXTERNAL7]	= &frv_cpuexternal[7],
-	},
-};
-
-/*****************************************************************************/
-/*
- * route the CPU's interrupt sources
- */
-void __init route_cpu_irqs(void)
-{
-	frv_irq_set_group(&frv_cpu_irqs);
-
-	__set_IITMR(0, 0x003f0000);	/* DMA0-3, TIMER0-2 IRQ detect levels */
-	__set_IITMR(1, 0x20000000);	/* ERR0-1, UART0-1, DMA4-7 IRQ detect levels */
-
-	/* route UART and error interrupts */
-	frv_irq_route(&frv_cpuuart[0],	IRQ_UART0_LEVEL);
-	frv_irq_route(&frv_cpuuart[1],	IRQ_UART1_LEVEL);
-
-	set_IRR(6, IRQ_GDBSTUB_LEVEL, IRQ_GDBSTUB_LEVEL, IRQ_UART1_LEVEL, IRQ_UART0_LEVEL);
-
-	/* route DMA channel interrupts */
-	frv_irq_route(&frv_cpudma[0],	IRQ_DMA0_LEVEL);
-	frv_irq_route(&frv_cpudma[1],	IRQ_DMA1_LEVEL);
-	frv_irq_route(&frv_cpudma[2],	IRQ_DMA2_LEVEL);
-	frv_irq_route(&frv_cpudma[3],	IRQ_DMA3_LEVEL);
-	frv_irq_route(&frv_cpudma[4],	IRQ_DMA4_LEVEL);
-	frv_irq_route(&frv_cpudma[5],	IRQ_DMA5_LEVEL);
-	frv_irq_route(&frv_cpudma[6],	IRQ_DMA6_LEVEL);
-	frv_irq_route(&frv_cpudma[7],	IRQ_DMA7_LEVEL);
-
-	set_IRR(4, IRQ_DMA3_LEVEL, IRQ_DMA2_LEVEL, IRQ_DMA1_LEVEL, IRQ_DMA0_LEVEL);
-	set_IRR(7, IRQ_DMA7_LEVEL, IRQ_DMA6_LEVEL, IRQ_DMA5_LEVEL, IRQ_DMA4_LEVEL);
-
-	/* route timer interrupts */
-	frv_irq_route(&frv_cputimer[0],	IRQ_TIMER0_LEVEL);
-	frv_irq_route(&frv_cputimer[1],	IRQ_TIMER1_LEVEL);
-	frv_irq_route(&frv_cputimer[2],	IRQ_TIMER2_LEVEL);
-
-	set_IRR(5, 0, IRQ_TIMER2_LEVEL, IRQ_TIMER1_LEVEL, IRQ_TIMER0_LEVEL);
-
-	/* route external interrupts */
-	frv_irq_route(&frv_cpuexternal[0], IRQ_XIRQ0_LEVEL);
-	frv_irq_route(&frv_cpuexternal[1], IRQ_XIRQ1_LEVEL);
-	frv_irq_route(&frv_cpuexternal[2], IRQ_XIRQ2_LEVEL);
-	frv_irq_route(&frv_cpuexternal[3], IRQ_XIRQ3_LEVEL);
-	frv_irq_route(&frv_cpuexternal[4], IRQ_XIRQ4_LEVEL);
-	frv_irq_route(&frv_cpuexternal[5], IRQ_XIRQ5_LEVEL);
-	frv_irq_route(&frv_cpuexternal[6], IRQ_XIRQ6_LEVEL);
-	frv_irq_route(&frv_cpuexternal[7], IRQ_XIRQ7_LEVEL);
-
-	set_IRR(2, IRQ_XIRQ7_LEVEL, IRQ_XIRQ6_LEVEL, IRQ_XIRQ5_LEVEL, IRQ_XIRQ4_LEVEL);
-	set_IRR(3, IRQ_XIRQ3_LEVEL, IRQ_XIRQ2_LEVEL, IRQ_XIRQ1_LEVEL, IRQ_XIRQ0_LEVEL);
-
-#if defined(CONFIG_MB93091_VDK)
-	__set_TM1(0x55550000);		/* XIRQ7-0 all active low */
-#elif defined(CONFIG_MB93093_PDK)
-	__set_TM1(0x15550000);		/* XIRQ7 active high, 6-0 all active low */
-#else
-#error dont know external IRQ trigger levels for this setup
-#endif
-
-} /* end route_cpu_irqs() */
diff --git a/arch/frv/kernel/irq.c b/arch/frv/kernel/irq.c
index 08967010be04..5ac041c7c0a4 100644
--- a/arch/frv/kernel/irq.c
+++ b/arch/frv/kernel/irq.c
@@ -1,6 +1,6 @@
 /* irq.c: FRV IRQ handling
  *
- * Copyright (C) 2003, 2004 Red Hat, Inc. All Rights Reserved.
+ * Copyright (C) 2003, 2004, 2006 Red Hat, Inc. All Rights Reserved.
  * Written by David Howells (dhowells@redhat.com)
  *
  * This program is free software; you can redistribute it and/or
@@ -9,13 +9,6 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-/*
- * (mostly architecture independent, will move to kernel/irq.c in 2.5.)
- *
- * IRQs are in fact implemented a bit like signal handlers for the kernel.
- * Naturally it's not a 1:1 relation, but there are similarities.
- */
-
 #include <linux/ptrace.h>
 #include <linux/errno.h>
 #include <linux/signal.h>
@@ -43,19 +36,16 @@
 #include <asm/delay.h>
 #include <asm/irq.h>
 #include <asm/irc-regs.h>
-#include <asm/irq-routing.h>
 #include <asm/gdb-stub.h>
 
-extern void __init fpga_init(void);
-extern void __init route_mb93493_irqs(void);
-
-static void register_irq_proc (unsigned int irq);
+#define set_IRR(N,A,B,C,D) __set_IRR(N, (A << 28) | (B << 24) | (C << 20) | (D << 16))
 
-/*
- * Special irq handlers.
- */
+extern void __init fpga_init(void);
+#ifdef CONFIG_FUJITSU_MB93493
+extern void __init mb93493_init(void);
+#endif
 
-irqreturn_t no_action(int cpl, void *dev_id, struct pt_regs *regs) { return IRQ_HANDLED; }
+#define __reg16(ADDR) (*(volatile unsigned short *)(ADDR))
 
 atomic_t irq_err_count;
 
@@ -64,215 +54,86 @@ atomic_t irq_err_count;
  */
 int show_interrupts(struct seq_file *p, void *v)
 {
-	struct irqaction *action;
-	struct irq_group *group;
+	int i = *(loff_t *) v, cpu;
+	struct irqaction * action;
 	unsigned long flags;
-	int level, grp, ix, i, j;
-
-	i = *(loff_t *) v;
-
-	switch (i) {
-	case 0:
-		seq_printf(p, "           ");
-		for_each_online_cpu(j)
-			seq_printf(p, "CPU%d       ",j);
-
-		seq_putc(p, '\n');
-		break;
 
-	case 1 ... NR_IRQ_GROUPS * NR_IRQ_ACTIONS_PER_GROUP:
-		local_irq_save(flags);
-
-		grp = (i - 1) / NR_IRQ_ACTIONS_PER_GROUP;
-		group = irq_groups[grp];
-		if (!group)
-			goto skip;
-
-		ix = (i - 1) % NR_IRQ_ACTIONS_PER_GROUP;
-		action = group->actions[ix];
-		if (!action)
-			goto skip;
-
-		seq_printf(p, "%3d: ", i - 1);
-
-#ifndef CONFIG_SMP
-		seq_printf(p, "%10u ", kstat_irqs(i));
-#else
-		for_each_online_cpu(j)
-			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i - 1]);
-#endif
-
-		level = group->sources[ix]->level - frv_irq_levels;
-
-		seq_printf(p, " %12s@%x", group->sources[ix]->muxname, level);
-		seq_printf(p, "  %s", action->name);
-
-		for (action = action->next; action; action = action->next)
-			seq_printf(p, ", %s", action->name);
+	if (i == 0) {
+		char cpuname[12];
 
+		seq_printf(p, "    ");
+		for_each_present_cpu(cpu) {
+			sprintf(cpuname, "CPU%d", cpu);
+			seq_printf(p, " %10s", cpuname);
+		}
 		seq_putc(p, '\n');
-skip:
-		local_irq_restore(flags);
-		break;
+	}
 
-	case NR_IRQ_GROUPS * NR_IRQ_ACTIONS_PER_GROUP + 1:
-		seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
-		break;
+	if (i < NR_IRQS) {
+		spin_lock_irqsave(&irq_desc[i].lock, flags);
+		action = irq_desc[i].action;
+		if (action) {
+			seq_printf(p, "%3d: ", i);
+			for_each_present_cpu(cpu)
+				seq_printf(p, "%10u ", kstat_cpu(cpu).irqs[i]);
+			seq_printf(p, " %10s", irq_desc[i].chip->name ? : "-");
+			seq_printf(p, "  %s", action->name);
+			for (action = action->next;
+			     action;
+			     action = action->next)
+				seq_printf(p, ", %s", action->name);
+
+			seq_putc(p, '\n');
+		}
 
-	default:
-		break;
+		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+	} else if (i == NR_IRQS) {
+		seq_printf(p, "Err: %10u\n", atomic_read(&irq_err_count));
 	}
 
 	return 0;
 }
 
-
 /*
- * Generic enable/disable code: this just calls
- * down into the PIC-specific version for the actual
- * hardware disable after having gotten the irq
- * controller lock.
+ * on-CPU PIC operations
  */
-
-/**
- *	disable_irq_nosync - disable an irq without waiting
- *	@irq: Interrupt to disable
- *
- *	Disable the selected interrupt line.  Disables and Enables are
- *	nested.
- *	Unlike disable_irq(), this function does not ensure existing
- *	instances of the IRQ handler have completed before returning.
- *
- *	This function may be called from IRQ context.
- */
-
-void disable_irq_nosync(unsigned int irq)
+static void frv_cpupic_ack(unsigned int irqlevel)
 {
-	struct irq_source *source;
-	struct irq_group *group;
-	struct irq_level *level;
-	unsigned long flags;
-	int idx = irq & (NR_IRQ_ACTIONS_PER_GROUP - 1);
-
-	group = irq_groups[irq >> NR_IRQ_LOG2_ACTIONS_PER_GROUP];
-	if (!group)
-		BUG();
-
-	source = group->sources[idx];
-	if (!source)
-		BUG();
-
-	level = source->level;
-
-	spin_lock_irqsave(&level->lock, flags);
-
-	if (group->control) {
-		if (!group->disable_cnt[idx]++)
-			group->control(group, idx, 0);
-	} else if (!level->disable_count++) {
-		__set_MASK(level - frv_irq_levels);
-	}
-
-	spin_unlock_irqrestore(&level->lock, flags);
+	__clr_RC(irqlevel);
+	__clr_IRL();
 }
 
-EXPORT_SYMBOL(disable_irq_nosync);
-
-/**
- *	disable_irq - disable an irq and wait for completion
- *	@irq: Interrupt to disable
- *
- *	Disable the selected interrupt line.  Enables and Disables are
- *	nested.
- *	This function waits for any pending IRQ handlers for this interrupt
- *	to complete before returning. If you use this function while
- *	holding a resource the IRQ handler may need you will deadlock.
- *
- *	This function may be called - with care - from IRQ context.
- */
-
-void disable_irq(unsigned int irq)
+static void frv_cpupic_mask(unsigned int irqlevel)
 {
-	disable_irq_nosync(irq);
-
-#ifdef CONFIG_SMP
-	if (!local_irq_count(smp_processor_id())) {
-		do {
-			barrier();
-		} while (irq_desc[irq].status & IRQ_INPROGRESS);
-	}
-#endif
+	__set_MASK(irqlevel);
 }
 
-EXPORT_SYMBOL(disable_irq);
-
-/**
- *	enable_irq - enable handling of an irq
- *	@irq: Interrupt to enable
- *
- *	Undoes the effect of one call to disable_irq().  If this
- *	matches the last disable, processing of interrupts on this
- *	IRQ line is re-enabled.
- *
- *	This function may be called from IRQ context.
- */
-
-void enable_irq(unsigned int irq)
+static void frv_cpupic_mask_ack(unsigned int irqlevel)
 {
-	struct irq_source *source;
-	struct irq_group *group;
-	struct irq_level *level;
-	unsigned long flags;
-	int idx = irq & (NR_IRQ_ACTIONS_PER_GROUP - 1);
-	int count;
-
-	group = irq_groups[irq >> NR_IRQ_LOG2_ACTIONS_PER_GROUP];
-	if (!group)
-		BUG();
-
-	source = group->sources[idx];
-	if (!source)
-		BUG();
-
-	level = source->level;
-
-	spin_lock_irqsave(&level->lock, flags);
-
-	if (group->control)
-		count = group->disable_cnt[idx];
-	else
-		count = level->disable_count;
-
-	switch (count) {
-	case 1:
-		if (group->control) {
-			if (group->actions[idx])
-				group->control(group, idx, 1);
-		} else {
-			if (level->usage)
-				__clr_MASK(level - frv_irq_levels);
-		}
-		/* fall-through */
-
-	default:
-		count--;
-		break;
-
-	case 0:
-		printk("enable_irq(%u) unbalanced from %p\n", irq, __builtin_return_address(0));
-	}
+	__set_MASK(irqlevel);
+	__clr_RC(irqlevel);
+	__clr_IRL();
+}
 
-	if (group->control)
-		group->disable_cnt[idx] = count;
-	else
-		level->disable_count = count;
+static void frv_cpupic_unmask(unsigned int irqlevel)
+{
+	__clr_MASK(irqlevel);
+}
 
-	spin_unlock_irqrestore(&level->lock, flags);
+static void frv_cpupic_end(unsigned int irqlevel)
+{
+	__clr_MASK(irqlevel);
 }
 
-EXPORT_SYMBOL(enable_irq);
+static struct irq_chip frv_cpu_pic = {
+	.name		= "cpu",
+	.ack		= frv_cpupic_ack,
+	.mask		= frv_cpupic_mask,
+	.mask_ack	= frv_cpupic_mask_ack,
+	.unmask		= frv_cpupic_unmask,
+	.end		= frv_cpupic_end,
+};
 
-/*****************************************************************************/
 /*
  * handles all normal device IRQ's
  * - registers are referred to by the __frame variable (GR28)
@@ -281,463 +142,65 @@ EXPORT_SYMBOL(enable_irq);
  */
 asmlinkage void do_IRQ(void)
 {
-	struct irq_source *source;
-	int level, cpu;
-
 	irq_enter();
-
-	level = (__frame->tbr >> 4) & 0xf;
-	cpu = smp_processor_id();
-
-	if ((unsigned long) __frame - (unsigned long) (current + 1) < 512)
-		BUG();
-
-	__set_MASK(level);
-	__clr_RC(level);
-	__clr_IRL();
-
-	kstat_this_cpu.irqs[level]++;
-
-	for (source = frv_irq_levels[level].sources; source; source = source->next)
-		source->doirq(source);
-
-	__clr_MASK(level);
-
+	generic_handle_irq(__get_IRL(), __frame);
 	irq_exit();
+}
 
-} /* end do_IRQ() */
-
-/*****************************************************************************/
 /*
  * handles all NMIs when not co-opted by the debugger
  * - registers are referred to by the __frame variable (GR28)
  */
 asmlinkage void do_NMI(void)
 {
-} /* end do_NMI() */
-
-/*****************************************************************************/
-/**
- *	request_irq - allocate an interrupt line
- *	@irq: Interrupt line to allocate
- *	@handler: Function to be called when the IRQ occurs
- *	@irqflags: Interrupt type flags
- *	@devname: An ascii name for the claiming device
- *	@dev_id: A cookie passed back to the handler function
- *
- *	This call allocates interrupt resources and enables the
- *	interrupt line and IRQ handling. From the point this
- *	call is made your handler function may be invoked. Since
- *	your handler function must clear any interrupt the board
- *	raises, you must take care both to initialise your hardware
- *	and to set up the interrupt handler in the right order.
- *
- *	Dev_id must be globally unique. Normally the address of the
- *	device data structure is used as the cookie. Since the handler
- *	receives this value it makes sense to use it.
- *
- *	If your interrupt is shared you must pass a non NULL dev_id
- *	as this is required when freeing the interrupt.
- *
- *	Flags:
- *
- *	IRQF_SHARED		Interrupt is shared
- *
- *	IRQF_DISABLED	Disable local interrupts while processing
- *
- *	IRQF_SAMPLE_RANDOM	The interrupt can be used for entropy
- *
- */
-
-int request_irq(unsigned int irq,
-		irqreturn_t (*handler)(int, void *, struct pt_regs *),
-		unsigned long irqflags,
-		const char * devname,
-		void *dev_id)
-{
-	int retval;
-	struct irqaction *action;
-
-#if 1
-	/*
-	 * Sanity-check: shared interrupts should REALLY pass in
-	 * a real dev-ID, otherwise we'll have trouble later trying
-	 * to figure out which interrupt is which (messes up the
-	 * interrupt freeing logic etc).
-	 */
-	if (irqflags & IRQF_SHARED) {
-		if (!dev_id)
-			printk("Bad boy: %s (at 0x%x) called us without a dev_id!\n",
-			       devname, (&irq)[-1]);
-	}
-#endif
-
-	if ((irq >> NR_IRQ_LOG2_ACTIONS_PER_GROUP) >= NR_IRQ_GROUPS)
-		return -EINVAL;
-	if (!handler)
-		return -EINVAL;
-
-	action = (struct irqaction *) kmalloc(sizeof(struct irqaction), GFP_KERNEL);
-	if (!action)
-		return -ENOMEM;
-
-	action->handler = handler;
-	action->flags = irqflags;
-	action->mask = CPU_MASK_NONE;
-	action->name = devname;
-	action->next = NULL;
-	action->dev_id = dev_id;
-
-	retval = setup_irq(irq, action);
-	if (retval)
-		kfree(action);
-	return retval;
-}
-
-EXPORT_SYMBOL(request_irq);
-
-/**
- *	free_irq - free an interrupt
- *	@irq: Interrupt line to free
- *	@dev_id: Device identity to free
- *
- *	Remove an interrupt handler. The handler is removed and if the
- *	interrupt line is no longer in use by any driver it is disabled.
- *	On a shared IRQ the caller must ensure the interrupt is disabled
- *	on the card it drives before calling this function. The function
- *	does not return until any executing interrupts for this IRQ
- *	have completed.
- *
- *	This function may be called from interrupt context.
- *
- *	Bugs: Attempting to free an irq in a handler for the same irq hangs
- *	      the machine.
- */
-
-void free_irq(unsigned int irq, void *dev_id)
-{
-	struct irq_source *source;
-	struct irq_group *group;
-	struct irq_level *level;
-	struct irqaction **p, **pp;
-	unsigned long flags;
-
-	if ((irq >> NR_IRQ_LOG2_ACTIONS_PER_GROUP) >= NR_IRQ_GROUPS)
-		return;
-
-	group = irq_groups[irq >> NR_IRQ_LOG2_ACTIONS_PER_GROUP];
-	if (!group)
-		BUG();
-
-	source = group->sources[irq & (NR_IRQ_ACTIONS_PER_GROUP - 1)];
-	if (!source)
-		BUG();
-
-	level = source->level;
-	p = &group->actions[irq & (NR_IRQ_ACTIONS_PER_GROUP - 1)];
-
-	spin_lock_irqsave(&level->lock, flags);
-
-	for (pp = p; *pp; pp = &(*pp)->next) {
-		struct irqaction *action = *pp;
-
-		if (action->dev_id != dev_id)
-			continue;
-
-		/* found it - remove from the list of entries */
-		*pp = action->next;
-
-		level->usage--;
-
-		if (p == pp && group->control)
-			group->control(group, irq & (NR_IRQ_ACTIONS_PER_GROUP - 1), 0);
-
-		if (level->usage == 0)
-			__set_MASK(level - frv_irq_levels);
-
-		spin_unlock_irqrestore(&level->lock,flags);
-
-#ifdef CONFIG_SMP
-		/* Wait to make sure it's not being used on another CPU */
-		while (desc->status & IRQ_INPROGRESS)
-			barrier();
-#endif
-		kfree(action);
-		return;
-	}
-}
-
-EXPORT_SYMBOL(free_irq);
-
-/*
- * IRQ autodetection code..
- *
- * This depends on the fact that any interrupt that comes in on to an
- * unassigned IRQ will cause GxICR_DETECT to be set
- */
-
-static DECLARE_MUTEX(probe_sem);
-
-/**
- *	probe_irq_on	- begin an interrupt autodetect
- *
- *	Commence probing for an interrupt. The interrupts are scanned
- *	and a mask of potential interrupt lines is returned.
- *
- */
-
-unsigned long probe_irq_on(void)
-{
-	down(&probe_sem);
-	return 0;
 }
 
-EXPORT_SYMBOL(probe_irq_on);
-
 /*
- * Return a mask of triggered interrupts (this
- * can handle only legacy ISA interrupts).
- */
-
-/**
- *	probe_irq_mask - scan a bitmap of interrupt lines
- *	@val:	mask of interrupts to consider
- *
- *	Scan the ISA bus interrupt lines and return a bitmap of
- *	active interrupts. The interrupt probe logic state is then
- *	returned to its previous value.
- *
- *	Note: we need to scan all the irq's even though we will
- *	only return ISA irq numbers - just so that we reset them
- *	all to a known state.
- */
-unsigned int probe_irq_mask(unsigned long xmask)
-{
-	up(&probe_sem);
-	return 0;
-}
-
-EXPORT_SYMBOL(probe_irq_mask);
-
-/*
- * Return the one interrupt that triggered (this can
- * handle any interrupt source).
- */
-
-/**
- *	probe_irq_off	- end an interrupt autodetect
- *	@xmask: mask of potential interrupts (unused)
- *
- *	Scans the unused interrupt lines and returns the line which
- *	appears to have triggered the interrupt. If no interrupt was
- *	found then zero is returned. If more than one interrupt is
- *	found then minus the first candidate is returned to indicate
- *	their is doubt.
- *
- *	The interrupt probe logic state is returned to its previous
- *	value.
- *
- *	BUGS: When used in a module (which arguably shouldnt happen)
- *	nothing prevents two IRQ probe callers from overlapping. The
- *	results of this are non-optimal.
+ * initialise the interrupt system
  */
-
-int probe_irq_off(unsigned long xmask)
-{
-	up(&probe_sem);
-	return -1;
-}
-
-EXPORT_SYMBOL(probe_irq_off);
-
-/* this was setup_x86_irq but it seems pretty generic */
-int setup_irq(unsigned int irq, struct irqaction *new)
-{
-	struct irq_source *source;
-	struct irq_group *group;
-	struct irq_level *level;
-	struct irqaction **p, **pp;
-	unsigned long flags;
-
-	group = irq_groups[irq >> NR_IRQ_LOG2_ACTIONS_PER_GROUP];
-	if (!group)
-		BUG();
-
-	source = group->sources[irq & (NR_IRQ_ACTIONS_PER_GROUP - 1)];
-	if (!source)
-		BUG();
-
-	level = source->level;
-
-	p = &group->actions[irq & (NR_IRQ_ACTIONS_PER_GROUP - 1)];
-
-	/*
-	 * Some drivers like serial.c use request_irq() heavily,
-	 * so we have to be careful not to interfere with a
-	 * running system.
-	 */
-	if (new->flags & IRQF_SAMPLE_RANDOM) {
-		/*
-		 * This function might sleep, we want to call it first,
-		 * outside of the atomic block.
-		 * Yes, this might clear the entropy pool if the wrong
-		 * driver is attempted to be loaded, without actually
-		 * installing a new handler, but is this really a problem,
-		 * only the sysadmin is able to do this.
-		 */
-		rand_initialize_irq(irq);
-	}
-
-	/* must juggle the interrupt processing stuff with interrupts disabled */
-	spin_lock_irqsave(&level->lock, flags);
-
-	/* can't share interrupts unless all parties agree to */
-	if (level->usage != 0 && !(level->flags & new->flags & IRQF_SHARED)) {
-		spin_unlock_irqrestore(&level->lock,flags);
-		return -EBUSY;
-	}
-
-	/* add new interrupt at end of irq queue */
-	pp = p;
-	while (*pp)
-		pp = &(*pp)->next;
-
-	*pp = new;
-
-	level->usage++;
-	level->flags = new->flags;
-
-	/* turn the interrupts on */
-	if (level->usage == 1)
-		__clr_MASK(level - frv_irq_levels);
-
-	if (p == pp && group->control)
-		group->control(group, irq & (NR_IRQ_ACTIONS_PER_GROUP - 1), 1);
-
-	spin_unlock_irqrestore(&level->lock, flags);
-	register_irq_proc(irq);
-	return 0;
-}
-
-static struct proc_dir_entry * root_irq_dir;
-static struct proc_dir_entry * irq_dir [NR_IRQS];
-
-#define HEX_DIGITS 8
-
-static unsigned int parse_hex_value (const char __user *buffer,
-				     unsigned long count, unsigned long *ret)
-{
-	unsigned char hexnum [HEX_DIGITS];
-	unsigned long value;
-	int i;
-
-	if (!count)
-		return -EINVAL;
-	if (count > HEX_DIGITS)
-		count = HEX_DIGITS;
-	if (copy_from_user(hexnum, buffer, count))
-		return -EFAULT;
-
-	/*
-	 * Parse the first 8 characters as a hex string, any non-hex char
-	 * is end-of-string. '00e1', 'e1', '00E1', 'E1' are all the same.
-	 */
-	value = 0;
-
-	for (i = 0; i < count; i++) {
-		unsigned int c = hexnum[i];
-
-		switch (c) {
-			case '0' ... '9': c -= '0'; break;
-			case 'a' ... 'f': c -= 'a'-10; break;
-			case 'A' ... 'F': c -= 'A'-10; break;
-		default:
-			goto out;
-		}
-		value = (value << 4) | c;
-	}
-out:
-	*ret = value;
-	return 0;
-}
-
-
-static int prof_cpu_mask_read_proc (char *page, char **start, off_t off,
-			int count, int *eof, void *data)
-{
-	unsigned long *mask = (unsigned long *) data;
-	if (count < HEX_DIGITS+1)
-		return -EINVAL;
-	return sprintf (page, "%08lx\n", *mask);
-}
-
-static int prof_cpu_mask_write_proc (struct file *file, const char __user *buffer,
-					unsigned long count, void *data)
-{
-	unsigned long *mask = (unsigned long *) data, full_count = count, err;
-	unsigned long new_value;
-
-	show_state();
-	err = parse_hex_value(buffer, count, &new_value);
-	if (err)
-		return err;
-
-	*mask = new_value;
-	return full_count;
-}
-
-#define MAX_NAMELEN 10
-
-static void register_irq_proc (unsigned int irq)
-{
-	char name [MAX_NAMELEN];
-
-	if (!root_irq_dir || irq_dir[irq])
-		return;
-
-	memset(name, 0, MAX_NAMELEN);
-	sprintf(name, "%d", irq);
-
-	/* create /proc/irq/1234 */
-	irq_dir[irq] = proc_mkdir(name, root_irq_dir);
-}
-
-unsigned long prof_cpu_mask = -1;
-
-void init_irq_proc (void)
+void __init init_IRQ(void)
 {
-	struct proc_dir_entry *entry;
-	int i;
+	int level;
 
-	/* create /proc/irq */
-	root_irq_dir = proc_mkdir("irq", NULL);
+	for (level = 1; level <= 14; level++)
+		set_irq_chip_and_handler(level, &frv_cpu_pic,
+					 handle_level_irq);
 
-	/* create /proc/irq/prof_cpu_mask */
-	entry = create_proc_entry("prof_cpu_mask", 0600, root_irq_dir);
-	if (!entry)
-	    return;
+	set_irq_handler(IRQ_CPU_TIMER0, handle_edge_irq);
 
-	entry->nlink = 1;
-	entry->data = (void *)&prof_cpu_mask;
-	entry->read_proc = prof_cpu_mask_read_proc;
-	entry->write_proc = prof_cpu_mask_write_proc;
-
-	/*
-	 * Create entries for all existing IRQs.
+	/* set the trigger levels for internal interrupt sources
+	 * - timers all falling-edge
+	 * - ERR0 is rising-edge
+	 * - all others are high-level
 	 */
-	for (i = 0; i < NR_IRQS; i++)
-		register_irq_proc(i);
-}
+	__set_IITMR(0, 0x003f0000);	/* DMA0-3, TIMER0-2 */
+	__set_IITMR(1, 0x20000000);	/* ERR0-1, UART0-1, DMA4-7 */
+
+	/* route internal interrupts */
+	set_IRR(4, IRQ_DMA3_LEVEL, IRQ_DMA2_LEVEL, IRQ_DMA1_LEVEL,
+		IRQ_DMA0_LEVEL);
+	set_IRR(5, 0, IRQ_TIMER2_LEVEL, IRQ_TIMER1_LEVEL, IRQ_TIMER0_LEVEL);
+	set_IRR(6, IRQ_GDBSTUB_LEVEL, IRQ_GDBSTUB_LEVEL,
+		IRQ_UART1_LEVEL, IRQ_UART0_LEVEL);
+	set_IRR(7, IRQ_DMA7_LEVEL, IRQ_DMA6_LEVEL, IRQ_DMA5_LEVEL,
+		IRQ_DMA4_LEVEL);
+
+	/* route external interrupts */
+	set_IRR(2, IRQ_XIRQ7_LEVEL, IRQ_XIRQ6_LEVEL, IRQ_XIRQ5_LEVEL,
+		IRQ_XIRQ4_LEVEL);
+	set_IRR(3, IRQ_XIRQ3_LEVEL, IRQ_XIRQ2_LEVEL, IRQ_XIRQ1_LEVEL,
+		IRQ_XIRQ0_LEVEL);
+
+#if defined(CONFIG_MB93091_VDK)
+	__set_TM1(0x55550000);		/* XIRQ7-0 all active low */
+#elif defined(CONFIG_MB93093_PDK)
+	__set_TM1(0x15550000);		/* XIRQ7 active high, 6-0 all active low */
+#else
+#error dont know external IRQ trigger levels for this setup
+#endif
 
-/*****************************************************************************/
-/*
- * initialise the interrupt system
- */
-void __init init_IRQ(void)
-{
-	route_cpu_irqs();
 	fpga_init();
 #ifdef CONFIG_FUJITSU_MB93493
-	route_mb93493_irqs();
+	mb93493_init();
 #endif
-} /* end init_IRQ() */
+}
diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
index af08ccd4ed6e..d96a57e5f030 100644
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -43,7 +43,6 @@
 #include <asm/mb-regs.h>
 #include <asm/mb93493-regs.h>
 #include <asm/gdb-stub.h>
-#include <asm/irq-routing.h>
 #include <asm/io.h>
 
 #ifdef CONFIG_BLK_DEV_INITRD
diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c
index 68a77fe3bb40..3d0284bccb94 100644
--- a/arch/frv/kernel/time.c
+++ b/arch/frv/kernel/time.c
@@ -26,7 +26,6 @@
 #include <asm/timer-regs.h>
 #include <asm/mb-regs.h>
 #include <asm/mb86943a.h>
-#include <asm/irq-routing.h>
 
 #include <linux/timex.h>
 
diff --git a/arch/frv/mb93090-mb00/pci-irq.c b/arch/frv/mb93090-mb00/pci-irq.c
index 2278c80bd88c..ba587523c015 100644
--- a/arch/frv/mb93090-mb00/pci-irq.c
+++ b/arch/frv/mb93090-mb00/pci-irq.c
@@ -15,7 +15,6 @@
 
 #include <asm/io.h>
 #include <asm/smp.h>
-#include <asm/irq-routing.h>
 
 #include "pci-frv.h"
 
diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c
index b5b4286f9dd4..3f3a0ed3539b 100644
--- a/arch/frv/mm/init.c
+++ b/arch/frv/mm/init.c
@@ -98,7 +98,7 @@ void show_mem(void)
  */
 void __init paging_init(void)
 {
-	unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+	unsigned long zones_size[MAX_NR_ZONES] = {0, };
 
 	/* allocate some pages for kernel housekeeping tasks */
 	empty_bad_page_table	= (unsigned long) alloc_bootmem_pages(PAGE_SIZE);
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index d3d40bdc2d6a..e4f4199f97ab 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -138,7 +138,7 @@ void paging_init(void)
 #endif
 
 	{
-		unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+		unsigned long zones_size[MAX_NR_ZONES] = {0, };
 
 		zones_size[ZONE_DMA]     = 0 >> PAGE_SHIFT;
 		zones_size[ZONE_NORMAL]  = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT;
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index b2751eadbc56..3fd2f256f2be 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -166,7 +166,6 @@ config X86_VISWS
 
 config X86_GENERICARCH
        bool "Generic architecture (Summit, bigsmp, ES7000, default)"
-       depends on SMP
        help
           This option compiles in the Summit, bigsmp, ES7000, default subarchitectures.
 	  It is intended for a generic binary kernel.
@@ -263,7 +262,7 @@ source "kernel/Kconfig.preempt"
 
 config X86_UP_APIC
 	bool "Local APIC support on uniprocessors"
-	depends on !SMP && !(X86_VISWS || X86_VOYAGER)
+	depends on !SMP && !(X86_VISWS || X86_VOYAGER || X86_GENERICARCH)
 	help
 	  A local APIC (Advanced Programmable Interrupt Controller) is an
 	  integrated interrupt controller in the CPU. If you have a single-CPU
@@ -288,12 +287,12 @@ config X86_UP_IOAPIC
 
 config X86_LOCAL_APIC
 	bool
-	depends on X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER)
+	depends on X86_UP_APIC || ((X86_VISWS || SMP) && !X86_VOYAGER) || X86_GENERICARCH
 	default y
 
 config X86_IO_APIC
 	bool
-	depends on X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER))
+	depends on X86_UP_IOAPIC || (SMP && !(X86_VISWS || X86_VOYAGER)) || X86_GENERICARCH
 	default y
 
 config X86_VISWS_APIC
@@ -402,6 +401,7 @@ config X86_REBOOTFIXUPS
 
 config MICROCODE
 	tristate "/dev/cpu/microcode - Intel IA32 CPU microcode support"
+	select FW_LOADER
 	---help---
 	  If you say Y here and also to "/dev file system support" in the
 	  'File systems' section, you will be able to update the microcode on
@@ -417,6 +417,11 @@ config MICROCODE
 	  To compile this driver as a module, choose M here: the
 	  module will be called microcode.
 
+config MICROCODE_OLD_INTERFACE
+	bool
+	depends on MICROCODE
+	default y
+
 config X86_MSR
 	tristate "/dev/cpu/*/msr - Model-specific register support"
 	help
@@ -494,7 +499,7 @@ config HIGHMEM64G
 endchoice
 
 choice
-	depends on EXPERIMENTAL && !X86_PAE
+	depends on EXPERIMENTAL
 	prompt "Memory split" if EMBEDDED
 	default VMSPLIT_3G
 	help
@@ -516,6 +521,7 @@ choice
 	config VMSPLIT_3G
 		bool "3G/1G user/kernel split"
 	config VMSPLIT_3G_OPT
+		depends on !HIGHMEM
 		bool "3G/1G user/kernel split (for full 1G low memory)"
 	config VMSPLIT_2G
 		bool "2G/2G user/kernel split"
@@ -598,12 +604,10 @@ config ARCH_SELECT_MEMORY_MODEL
 	def_bool y
 	depends on ARCH_SPARSEMEM_ENABLE
 
-source "mm/Kconfig"
+config ARCH_POPULATES_NODE_MAP
+	def_bool y
 
-config HAVE_ARCH_EARLY_PFN_TO_NID
-	bool
-	default y
-	depends on NUMA
+source "mm/Kconfig"
 
 config HIGHPTE
 	bool "Allocate 3rd-level pagetables from highmem"
@@ -740,8 +744,7 @@ config SECCOMP
 source kernel/Kconfig.hz
 
 config KEXEC
-	bool "kexec system call (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+	bool "kexec system call"
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot
@@ -762,6 +765,13 @@ config CRASH_DUMP
 	depends on HIGHMEM
 	help
 	  Generate crash dump after being started by kexec.
+          This should be normally only set in special crash dump kernels
+	  which are loaded in the main kernel with kexec-tools into
+	  a specially reserved region and then later executed after
+	  a crash by kdump/kexec. The crash dump kernel must be compiled
+          to a memory address not used by the main kernel or BIOS using
+          PHYSICAL_START.
+	  For more details see Documentation/kdump/kdump.txt
 
 config PHYSICAL_START
 	hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)
@@ -794,6 +804,7 @@ config HOTPLUG_CPU
 config COMPAT_VDSO
 	bool "Compat VDSO support"
 	default y
+	depends on !PARAVIRT
 	help
 	  Map the VDSO to the predictable old-style address too.
 	---help---
diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index 3e4adb1e2244..7cc0b189b82b 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -46,6 +46,14 @@ cflags-y += -ffreestanding
 # a lot more stack due to the lack of sharing of stacklots:
 CFLAGS				+= $(shell if [ $(call cc-version) -lt 0400 ] ; then echo $(call cc-option,-fno-unit-at-a-time); fi ;)
 
+# do binutils support CFI?
+cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+
+# is .cfi_signal_frame supported too?
+cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+
 CFLAGS += $(cflags-y)
 
 # Default subarch .c files
diff --git a/arch/i386/boot/edd.S b/arch/i386/boot/edd.S
index 4b84ea216f2b..34321368011a 100644
--- a/arch/i386/boot/edd.S
+++ b/arch/i386/boot/edd.S
@@ -15,42 +15,95 @@
 #include <asm/setup.h>
 
 #if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE)
+
+# It is assumed that %ds == INITSEG here
+
 	movb	$0, (EDD_MBR_SIG_NR_BUF)
 	movb	$0, (EDDNR)
 
-# Check the command line for two options:
+# Check the command line for options:
 # edd=of  disables EDD completely  (edd=off)
 # edd=sk  skips the MBR test    (edd=skipmbr)
+# edd=on  re-enables EDD (edd=on)
+
 	pushl	%esi
-    	cmpl	$0, %cs:cmd_line_ptr
-	jz	done_cl
+	movw	$edd_mbr_sig_start, %di	# Default to edd=on
+
 	movl	%cs:(cmd_line_ptr), %esi
-# ds:esi has the pointer to the command line now
-	movl	$(COMMAND_LINE_SIZE-7), %ecx
-# loop through kernel command line one byte at a time
-cl_loop:
-	cmpl	$EDD_CL_EQUALS, (%si)
+	andl	%esi, %esi
+	jz	old_cl			# Old boot protocol?
+
+# Convert to a real-mode pointer in fs:si
+	movl	%esi, %eax
+	shrl	$4, %eax
+	movw	%ax, %fs
+	andw	$0xf, %si
+	jmp	have_cl_pointer
+
+# Old-style boot protocol?
+old_cl:
+	push	%ds			# aka INITSEG
+	pop	%fs
+
+	cmpw	$0xa33f, (0x20)
+	jne	done_cl			# No command line at all?
+	movw	(0x22), %si		# Pointer relative to INITSEG
+
+# fs:si has the pointer to the command line now
+have_cl_pointer:
+
+# Loop through kernel command line one byte at a time.  Just in
+# case the loader is buggy and failed to null-terminate the command line
+# terminate if we get close enough to the end of the segment that we
+# cannot fit "edd=XX"...
+cl_atspace:
+	cmpw	$-5, %si		# Watch for segment wraparound
+	jae	done_cl
+	movl	%fs:(%si), %eax
+	andb	%al, %al		# End of line?
+	jz	done_cl
+	cmpl	$EDD_CL_EQUALS, %eax
 	jz	found_edd_equals
-	incl	%esi
-	loop	cl_loop
-	jmp	done_cl
+	cmpb	$0x20, %al		# <= space consider whitespace
+	ja	cl_skipword
+	incw	%si
+	jmp	cl_atspace
+
+cl_skipword:
+	cmpw	$-5, %si		# Watch for segment wraparound
+	jae	done_cl
+	movb	%fs:(%si), %al		# End of string?
+	andb	%al, %al
+	jz	done_cl
+	cmpb	$0x20, %al
+	jbe	cl_atspace
+	incw	%si
+	jmp	cl_skipword
+
 found_edd_equals:
 # only looking at first two characters after equals
-    	addl	$4, %esi
-	cmpw	$EDD_CL_OFF, (%si)	# edd=of
-	jz	do_edd_off
-	cmpw	$EDD_CL_SKIP, (%si)	# edd=sk
-	jz	do_edd_skipmbr
-	jmp	done_cl
+# late overrides early on the command line, so keep going after finding something
+	movw	%fs:4(%si), %ax
+	cmpw	$EDD_CL_OFF, %ax	# edd=of
+	je	do_edd_off
+	cmpw	$EDD_CL_SKIP, %ax	# edd=sk
+	je	do_edd_skipmbr
+	cmpw	$EDD_CL_ON, %ax		# edd=on
+	je	do_edd_on
+	jmp	cl_skipword
 do_edd_skipmbr:
-    	popl	%esi
-	jmp	edd_start
+	movw	$edd_start, %di
+	jmp	cl_skipword
 do_edd_off:
-	popl	%esi
-	jmp	edd_done
+	movw	$edd_done, %di
+	jmp	cl_skipword
+do_edd_on:
+	movw	$edd_mbr_sig_start, %di
+	jmp	cl_skipword
+
 done_cl:
 	popl	%esi
-
+	jmpw	*%di
 
 # Read the first sector of each BIOS disk device and store the 4-byte signature
 edd_mbr_sig_start:
diff --git a/arch/i386/boot/setup.S b/arch/i386/boot/setup.S
index d2b684cd620a..3aec4538a113 100644
--- a/arch/i386/boot/setup.S
+++ b/arch/i386/boot/setup.S
@@ -494,12 +494,12 @@ no_voyager:
 	movw	%cs, %ax			# aka SETUPSEG
 	subw	$DELTA_INITSEG, %ax		# aka INITSEG
 	movw	%ax, %ds
-	movw	$0, (0x1ff)			# default is no pointing device
+	movb	$0, (0x1ff)			# default is no pointing device
 	int	$0x11				# int 0x11: equipment list
 	testb	$0x04, %al			# check if mouse installed
 	jz	no_psmouse
 
-	movw	$0xAA, (0x1ff)			# device present
+	movb	$0xAA, (0x1ff)			# device present
 no_psmouse:
 
 #if defined(CONFIG_X86_SPEEDSTEP_SMI) || defined(CONFIG_X86_SPEEDSTEP_SMI_MODULE)
diff --git a/arch/i386/defconfig b/arch/i386/defconfig
index 89ebb7a316ab..1a29bfa26d0c 100644
--- a/arch/i386/defconfig
+++ b/arch/i386/defconfig
@@ -1,41 +1,51 @@
 #
 # Automatically generated make config: don't edit
+# Linux kernel version: 2.6.18-git5
+# Tue Sep 26 09:30:47 2006
 #
 CONFIG_X86_32=y
+CONFIG_GENERIC_TIME=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_SEMAPHORE_SLEEPERS=y
 CONFIG_X86=y
 CONFIG_MMU=y
 CONFIG_GENERIC_ISA_DMA=y
 CONFIG_GENERIC_IOMAP=y
+CONFIG_GENERIC_HWEIGHT=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
 CONFIG_DMI=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
 #
 CONFIG_LOCALVERSION=""
-# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
-# CONFIG_POSIX_MQUEUE is not set
+CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
-CONFIG_SYSCTL=y
+# CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+# CONFIG_CPUSETS is not set
+# CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
-CONFIG_UID16=y
-CONFIG_VM86=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL=y
 CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
 CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
@@ -45,11 +55,9 @@ CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
 CONFIG_SLAB=y
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 # CONFIG_SLOB is not set
@@ -60,41 +68,45 @@ CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
-CONFIG_OBSOLETE_MODPARM=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 # CONFIG_KMOD is not set
+CONFIG_STOP_MACHINE=y
 
 #
 # Block layer
 #
-# CONFIG_LBD is not set
+CONFIG_LBD=y
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
 
 #
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-# CONFIG_IOSCHED_AS is not set
-# CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-# CONFIG_DEFAULT_AS is not set
+CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_DEADLINE is not set
-CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
-CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_DEFAULT_IOSCHED="anticipatory"
 
 #
 # Processor type and features
 #
-CONFIG_X86_PC=y
+CONFIG_SMP=y
+# CONFIG_X86_PC is not set
 # CONFIG_X86_ELAN is not set
 # CONFIG_X86_VOYAGER is not set
 # CONFIG_X86_NUMAQ is not set
 # CONFIG_X86_SUMMIT is not set
 # CONFIG_X86_BIGSMP is not set
 # CONFIG_X86_VISWS is not set
-# CONFIG_X86_GENERICARCH is not set
+CONFIG_X86_GENERICARCH=y
 # CONFIG_X86_ES7000 is not set
+CONFIG_X86_CYCLONE_TIMER=y
 # CONFIG_M386 is not set
 # CONFIG_M486 is not set
 # CONFIG_M586 is not set
@@ -102,11 +114,11 @@ CONFIG_X86_PC=y
 # CONFIG_M586MMX is not set
 # CONFIG_M686 is not set
 # CONFIG_MPENTIUMII is not set
-# CONFIG_MPENTIUMIII is not set
+CONFIG_MPENTIUMIII=y
 # CONFIG_MPENTIUMM is not set
 # CONFIG_MPENTIUM4 is not set
 # CONFIG_MK6 is not set
-CONFIG_MK7=y
+# CONFIG_MK7 is not set
 # CONFIG_MK8 is not set
 # CONFIG_MCRUSOE is not set
 # CONFIG_MEFFICEON is not set
@@ -117,10 +129,10 @@ CONFIG_MK7=y
 # CONFIG_MGEODE_LX is not set
 # CONFIG_MCYRIXIII is not set
 # CONFIG_MVIAC3_2 is not set
-# CONFIG_X86_GENERIC is not set
+CONFIG_X86_GENERIC=y
 CONFIG_X86_CMPXCHG=y
 CONFIG_X86_XADD=y
-CONFIG_X86_L1_CACHE_SHIFT=6
+CONFIG_X86_L1_CACHE_SHIFT=7
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_X86_WP_WORKS_OK=y
@@ -131,26 +143,28 @@ CONFIG_X86_CMPXCHG64=y
 CONFIG_X86_GOOD_APIC=y
 CONFIG_X86_INTEL_USERCOPY=y
 CONFIG_X86_USE_PPRO_CHECKSUM=y
-CONFIG_X86_USE_3DNOW=y
 CONFIG_X86_TSC=y
-# CONFIG_HPET_TIMER is not set
-# CONFIG_SMP is not set
-CONFIG_PREEMPT_NONE=y
-# CONFIG_PREEMPT_VOLUNTARY is not set
+CONFIG_HPET_TIMER=y
+CONFIG_HPET_EMULATE_RTC=y
+CONFIG_NR_CPUS=32
+CONFIG_SCHED_SMT=y
+CONFIG_SCHED_MC=y
+# CONFIG_PREEMPT_NONE is not set
+CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
-CONFIG_X86_UP_APIC=y
-CONFIG_X86_UP_IOAPIC=y
+CONFIG_PREEMPT_BKL=y
 CONFIG_X86_LOCAL_APIC=y
 CONFIG_X86_IO_APIC=y
 CONFIG_X86_MCE=y
 CONFIG_X86_MCE_NONFATAL=y
-# CONFIG_X86_MCE_P4THERMAL is not set
+CONFIG_X86_MCE_P4THERMAL=y
+CONFIG_VM86=y
 # CONFIG_TOSHIBA is not set
 # CONFIG_I8K is not set
 # CONFIG_X86_REBOOTFIXUPS is not set
-# CONFIG_MICROCODE is not set
-# CONFIG_X86_MSR is not set
-# CONFIG_X86_CPUID is not set
+CONFIG_MICROCODE=y
+CONFIG_X86_MSR=y
+CONFIG_X86_CPUID=y
 
 #
 # Firmware Drivers
@@ -158,68 +172,67 @@ CONFIG_X86_MCE_NONFATAL=y
 # CONFIG_EDD is not set
 # CONFIG_DELL_RBU is not set
 # CONFIG_DCDBAS is not set
-CONFIG_NOHIGHMEM=y
-# CONFIG_HIGHMEM4G is not set
+# CONFIG_NOHIGHMEM is not set
+CONFIG_HIGHMEM4G=y
 # CONFIG_HIGHMEM64G is not set
-CONFIG_VMSPLIT_3G=y
-# CONFIG_VMSPLIT_3G_OPT is not set
-# CONFIG_VMSPLIT_2G is not set
-# CONFIG_VMSPLIT_1G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
-CONFIG_ARCH_FLATMEM_ENABLE=y
-CONFIG_ARCH_SPARSEMEM_ENABLE=y
-CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_HIGHMEM=y
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
-CONFIG_SPARSEMEM_STATIC=y
+# CONFIG_SPARSEMEM_STATIC is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_RESOURCES_64BIT=y
+# CONFIG_HIGHPTE is not set
 # CONFIG_MATH_EMULATION is not set
 CONFIG_MTRR=y
 # CONFIG_EFI is not set
+# CONFIG_IRQBALANCE is not set
 CONFIG_REGPARM=y
-# CONFIG_SECCOMP is not set
-CONFIG_HZ_100=y
-# CONFIG_HZ_250 is not set
+CONFIG_SECCOMP=y
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
 # CONFIG_HZ_1000 is not set
-CONFIG_HZ=100
+CONFIG_HZ=250
 # CONFIG_KEXEC is not set
+# CONFIG_CRASH_DUMP is not set
 CONFIG_PHYSICAL_START=0x100000
-CONFIG_DOUBLEFAULT=y
+# CONFIG_HOTPLUG_CPU is not set
+CONFIG_COMPAT_VDSO=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
 
 #
 # Power management options (ACPI, APM)
 #
 CONFIG_PM=y
-# CONFIG_PM_LEGACY is not set
+CONFIG_PM_LEGACY=y
 # CONFIG_PM_DEBUG is not set
-CONFIG_SOFTWARE_SUSPEND=y
-CONFIG_PM_STD_PARTITION=""
 
 #
 # ACPI (Advanced Configuration and Power Interface) Support
 #
 CONFIG_ACPI=y
-# CONFIG_ACPI_SLEEP is not set
-# CONFIG_ACPI_AC is not set
-# CONFIG_ACPI_BATTERY is not set
-# CONFIG_ACPI_BUTTON is not set
+CONFIG_ACPI_AC=y
+CONFIG_ACPI_BATTERY=y
+CONFIG_ACPI_BUTTON=y
 # CONFIG_ACPI_VIDEO is not set
 # CONFIG_ACPI_HOTKEY is not set
-# CONFIG_ACPI_FAN is not set
-# CONFIG_ACPI_PROCESSOR is not set
+CONFIG_ACPI_FAN=y
+# CONFIG_ACPI_DOCK is not set
+CONFIG_ACPI_PROCESSOR=y
+CONFIG_ACPI_THERMAL=y
 # CONFIG_ACPI_ASUS is not set
 # CONFIG_ACPI_IBM is not set
 # CONFIG_ACPI_TOSHIBA is not set
-CONFIG_ACPI_BLACKLIST_YEAR=0
-# CONFIG_ACPI_DEBUG is not set
+CONFIG_ACPI_BLACKLIST_YEAR=2001
+CONFIG_ACPI_DEBUG=y
 CONFIG_ACPI_EC=y
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_SYSTEM=y
-# CONFIG_X86_PM_TIMER is not set
+CONFIG_X86_PM_TIMER=y
 # CONFIG_ACPI_CONTAINER is not set
 
 #
@@ -230,7 +243,41 @@ CONFIG_ACPI_SYSTEM=y
 #
 # CPU Frequency scaling
 #
-# CONFIG_CPU_FREQ is not set
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+CONFIG_CPU_FREQ_DEBUG=y
+CONFIG_CPU_FREQ_STAT=y
+# CONFIG_CPU_FREQ_STAT_DETAILS is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+
+#
+# CPUFreq processor drivers
+#
+CONFIG_X86_ACPI_CPUFREQ=y
+# CONFIG_X86_POWERNOW_K6 is not set
+# CONFIG_X86_POWERNOW_K7 is not set
+CONFIG_X86_POWERNOW_K8=y
+CONFIG_X86_POWERNOW_K8_ACPI=y
+# CONFIG_X86_GX_SUSPMOD is not set
+# CONFIG_X86_SPEEDSTEP_CENTRINO is not set
+# CONFIG_X86_SPEEDSTEP_ICH is not set
+# CONFIG_X86_SPEEDSTEP_SMI is not set
+# CONFIG_X86_P4_CLOCKMOD is not set
+# CONFIG_X86_CPUFREQ_NFORCE2 is not set
+# CONFIG_X86_LONGRUN is not set
+# CONFIG_X86_LONGHAUL is not set
+
+#
+# shared options
+#
+CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
+# CONFIG_X86_SPEEDSTEP_LIB is not set
 
 #
 # Bus options (PCI, PCMCIA, EISA, MCA, ISA)
@@ -244,12 +291,13 @@ CONFIG_PCI_BIOS=y
 CONFIG_PCI_DIRECT=y
 CONFIG_PCI_MMCONFIG=y
 # CONFIG_PCIEPORTBUS is not set
-# CONFIG_PCI_MSI is not set
-# CONFIG_PCI_LEGACY_PROC is not set
+CONFIG_PCI_MSI=y
+# CONFIG_PCI_DEBUG is not set
 CONFIG_ISA_DMA_API=y
 # CONFIG_ISA is not set
 # CONFIG_MCA is not set
 # CONFIG_SCx200 is not set
+CONFIG_K8_NB=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -278,93 +326,54 @@ CONFIG_NET=y
 #
 # CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
+# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
-# CONFIG_IP_MULTICAST is not set
+CONFIG_IP_MULTICAST=y
 # CONFIG_IP_ADVANCED_ROUTER is not set
 CONFIG_IP_FIB_HASH=y
-# CONFIG_IP_PNP is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
 # CONFIG_ARPD is not set
 # CONFIG_SYN_COOKIES is not set
 # CONFIG_INET_AH is not set
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
 # CONFIG_INET_TUNNEL is not set
-# CONFIG_INET_DIAG is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
-
-#
-# IP: Virtual Server Configuration
-#
-# CONFIG_IP_VS is not set
-# CONFIG_IPV6 is not set
-CONFIG_NETFILTER=y
-# CONFIG_NETFILTER_DEBUG is not set
-
-#
-# Core Netfilter Configuration
-#
-# CONFIG_NETFILTER_NETLINK is not set
-CONFIG_NETFILTER_XTABLES=y
-# CONFIG_NETFILTER_XT_TARGET_CLASSIFY is not set
-# CONFIG_NETFILTER_XT_TARGET_MARK is not set
-# CONFIG_NETFILTER_XT_TARGET_NFQUEUE is not set
-# CONFIG_NETFILTER_XT_MATCH_COMMENT is not set
-# CONFIG_NETFILTER_XT_MATCH_CONNTRACK is not set
-# CONFIG_NETFILTER_XT_MATCH_DCCP is not set
-# CONFIG_NETFILTER_XT_MATCH_HELPER is not set
-# CONFIG_NETFILTER_XT_MATCH_LENGTH is not set
-CONFIG_NETFILTER_XT_MATCH_LIMIT=y
-CONFIG_NETFILTER_XT_MATCH_MAC=y
-# CONFIG_NETFILTER_XT_MATCH_MARK is not set
-# CONFIG_NETFILTER_XT_MATCH_PKTTYPE is not set
-# CONFIG_NETFILTER_XT_MATCH_REALM is not set
-# CONFIG_NETFILTER_XT_MATCH_SCTP is not set
-CONFIG_NETFILTER_XT_MATCH_STATE=y
-# CONFIG_NETFILTER_XT_MATCH_STRING is not set
-# CONFIG_NETFILTER_XT_MATCH_TCPMSS is not set
-
-#
-# IP: Netfilter Configuration
-#
-CONFIG_IP_NF_CONNTRACK=y
-# CONFIG_IP_NF_CT_ACCT is not set
-# CONFIG_IP_NF_CONNTRACK_MARK is not set
-# CONFIG_IP_NF_CONNTRACK_EVENTS is not set
-# CONFIG_IP_NF_CT_PROTO_SCTP is not set
-CONFIG_IP_NF_FTP=y
-# CONFIG_IP_NF_IRC is not set
-# CONFIG_IP_NF_NETBIOS_NS is not set
-# CONFIG_IP_NF_TFTP is not set
-# CONFIG_IP_NF_AMANDA is not set
-# CONFIG_IP_NF_PPTP is not set
-# CONFIG_IP_NF_QUEUE is not set
-CONFIG_IP_NF_IPTABLES=y
-# CONFIG_IP_NF_MATCH_IPRANGE is not set
-# CONFIG_IP_NF_MATCH_MULTIPORT is not set
-# CONFIG_IP_NF_MATCH_TOS is not set
-# CONFIG_IP_NF_MATCH_RECENT is not set
-# CONFIG_IP_NF_MATCH_ECN is not set
-# CONFIG_IP_NF_MATCH_DSCP is not set
-# CONFIG_IP_NF_MATCH_AH_ESP is not set
-# CONFIG_IP_NF_MATCH_TTL is not set
-# CONFIG_IP_NF_MATCH_OWNER is not set
-# CONFIG_IP_NF_MATCH_ADDRTYPE is not set
-# CONFIG_IP_NF_MATCH_HASHLIMIT is not set
-CONFIG_IP_NF_FILTER=y
-# CONFIG_IP_NF_TARGET_REJECT is not set
-CONFIG_IP_NF_TARGET_LOG=y
-# CONFIG_IP_NF_TARGET_ULOG is not set
-# CONFIG_IP_NF_TARGET_TCPMSS is not set
-# CONFIG_IP_NF_NAT is not set
-# CONFIG_IP_NF_MANGLE is not set
-# CONFIG_IP_NF_RAW is not set
-# CONFIG_IP_NF_ARPTABLES is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+CONFIG_IPV6=y
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_INET6_AH is not set
+# CONFIG_INET6_ESP is not set
+# CONFIG_INET6_IPCOMP is not set
+# CONFIG_IPV6_MIP6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+CONFIG_INET6_XFRM_MODE_TRANSPORT=y
+CONFIG_INET6_XFRM_MODE_TUNNEL=y
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_SUBTREES is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
 
 #
 # DCCP Configuration (EXPERIMENTAL)
@@ -389,7 +398,6 @@ CONFIG_IP_NF_TARGET_LOG=y
 # CONFIG_ATALK is not set
 # CONFIG_X25 is not set
 # CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
 
@@ -402,6 +410,7 @@ CONFIG_IP_NF_TARGET_LOG=y
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
+# CONFIG_NET_TCPPROBE is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
@@ -416,7 +425,9 @@ CONFIG_IP_NF_TARGET_LOG=y
 #
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
-# CONFIG_FW_LOADER is not set
+CONFIG_FW_LOADER=y
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_SYS_HYPERVISOR is not set
 
 #
 # Connector - unified userspace <-> kernelspace linker
@@ -431,13 +442,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 #
 # Parallel port support
 #
-CONFIG_PARPORT=y
-CONFIG_PARPORT_PC=y
-# CONFIG_PARPORT_SERIAL is not set
-# CONFIG_PARPORT_PC_FIFO is not set
-# CONFIG_PARPORT_PC_SUPERIO is not set
-# CONFIG_PARPORT_GSC is not set
-CONFIG_PARPORT_1284=y
+# CONFIG_PARPORT is not set
 
 #
 # Plug and Play support
@@ -447,8 +452,7 @@ CONFIG_PARPORT_1284=y
 #
 # Block devices
 #
-# CONFIG_BLK_DEV_FD is not set
-# CONFIG_PARIDE is not set
+CONFIG_BLK_DEV_FD=y
 # CONFIG_BLK_CPQ_DA is not set
 # CONFIG_BLK_CPQ_CISS_DA is not set
 # CONFIG_BLK_DEV_DAC960 is not set
@@ -459,8 +463,11 @@ CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_SX8 is not set
 # CONFIG_BLK_DEV_UB is not set
-# CONFIG_BLK_DEV_RAM is not set
+CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+CONFIG_BLK_DEV_INITRD=y
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
 
@@ -476,7 +483,7 @@ CONFIG_BLK_DEV_IDE=y
 # CONFIG_BLK_DEV_IDE_SATA is not set
 # CONFIG_BLK_DEV_HD_IDE is not set
 CONFIG_BLK_DEV_IDEDISK=y
-# CONFIG_IDEDISK_MULTI_MODE is not set
+CONFIG_IDEDISK_MULTI_MODE=y
 CONFIG_BLK_DEV_IDECD=y
 # CONFIG_BLK_DEV_IDETAPE is not set
 # CONFIG_BLK_DEV_IDEFLOPPY is not set
@@ -486,10 +493,10 @@ CONFIG_BLK_DEV_IDECD=y
 #
 # IDE chipset support/bugfixes
 #
-# CONFIG_IDE_GENERIC is not set
+CONFIG_IDE_GENERIC=y
 # CONFIG_BLK_DEV_CMD640 is not set
 CONFIG_BLK_DEV_IDEPCI=y
-CONFIG_IDEPCI_SHARE_IRQ=y
+# CONFIG_IDEPCI_SHARE_IRQ is not set
 # CONFIG_BLK_DEV_OFFBOARD is not set
 # CONFIG_BLK_DEV_GENERIC is not set
 # CONFIG_BLK_DEV_OPTI621 is not set
@@ -500,7 +507,7 @@ CONFIG_IDEDMA_PCI_AUTO=y
 # CONFIG_IDEDMA_ONLYDISK is not set
 # CONFIG_BLK_DEV_AEC62XX is not set
 # CONFIG_BLK_DEV_ALI15X3 is not set
-# CONFIG_BLK_DEV_AMD74XX is not set
+CONFIG_BLK_DEV_AMD74XX=y
 # CONFIG_BLK_DEV_ATIIXP is not set
 # CONFIG_BLK_DEV_CMD64X is not set
 # CONFIG_BLK_DEV_TRIFLEX is not set
@@ -511,7 +518,7 @@ CONFIG_IDEDMA_PCI_AUTO=y
 # CONFIG_BLK_DEV_HPT34X is not set
 # CONFIG_BLK_DEV_HPT366 is not set
 # CONFIG_BLK_DEV_SC1200 is not set
-# CONFIG_BLK_DEV_PIIX is not set
+CONFIG_BLK_DEV_PIIX=y
 # CONFIG_BLK_DEV_IT821X is not set
 # CONFIG_BLK_DEV_NS87415 is not set
 # CONFIG_BLK_DEV_PDC202XX_OLD is not set
@@ -521,7 +528,7 @@ CONFIG_IDEDMA_PCI_AUTO=y
 # CONFIG_BLK_DEV_SIS5513 is not set
 # CONFIG_BLK_DEV_SLC90E66 is not set
 # CONFIG_BLK_DEV_TRM290 is not set
-CONFIG_BLK_DEV_VIA82CXXX=y
+# CONFIG_BLK_DEV_VIA82CXXX is not set
 # CONFIG_IDE_ARM is not set
 CONFIG_BLK_DEV_IDEDMA=y
 # CONFIG_IDEDMA_IVB is not set
@@ -533,6 +540,7 @@ CONFIG_IDEDMA_AUTO=y
 #
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
+CONFIG_SCSI_NETLINK=y
 # CONFIG_SCSI_PROC_FS is not set
 
 #
@@ -541,8 +549,9 @@ CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 # CONFIG_CHR_DEV_ST is not set
 # CONFIG_CHR_DEV_OSST is not set
-# CONFIG_BLK_DEV_SR is not set
-# CONFIG_CHR_DEV_SG is not set
+CONFIG_BLK_DEV_SR=y
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_CHR_DEV_SG=y
 # CONFIG_CHR_DEV_SCH is not set
 
 #
@@ -553,29 +562,44 @@ CONFIG_BLK_DEV_SD=y
 # CONFIG_SCSI_LOGGING is not set
 
 #
-# SCSI Transport Attributes
+# SCSI Transports
 #
-# CONFIG_SCSI_SPI_ATTRS is not set
-# CONFIG_SCSI_FC_ATTRS is not set
+CONFIG_SCSI_SPI_ATTRS=y
+CONFIG_SCSI_FC_ATTRS=y
 # CONFIG_SCSI_ISCSI_ATTRS is not set
 # CONFIG_SCSI_SAS_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
 
 #
 # SCSI low-level drivers
 #
 # CONFIG_ISCSI_TCP is not set
-# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+CONFIG_BLK_DEV_3W_XXXX_RAID=y
 # CONFIG_SCSI_3W_9XXX is not set
 # CONFIG_SCSI_ACARD is not set
 # CONFIG_SCSI_AACRAID is not set
-# CONFIG_SCSI_AIC7XXX is not set
+CONFIG_SCSI_AIC7XXX=y
+CONFIG_AIC7XXX_CMDS_PER_DEVICE=32
+CONFIG_AIC7XXX_RESET_DELAY_MS=5000
+CONFIG_AIC7XXX_DEBUG_ENABLE=y
+CONFIG_AIC7XXX_DEBUG_MASK=0
+CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
 # CONFIG_SCSI_AIC7XXX_OLD is not set
-# CONFIG_SCSI_AIC79XX is not set
+CONFIG_SCSI_AIC79XX=y
+CONFIG_AIC79XX_CMDS_PER_DEVICE=32
+CONFIG_AIC79XX_RESET_DELAY_MS=4000
+# CONFIG_AIC79XX_ENABLE_RD_STRM is not set
+# CONFIG_AIC79XX_DEBUG_ENABLE is not set
+CONFIG_AIC79XX_DEBUG_MASK=0
+# CONFIG_AIC79XX_REG_PRETTY_PRINT is not set
+# CONFIG_SCSI_AIC94XX is not set
 # CONFIG_SCSI_DPT_I2O is not set
+# CONFIG_SCSI_ADVANSYS is not set
+# CONFIG_SCSI_ARCMSR is not set
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
 # CONFIG_MEGARAID_SAS is not set
-# CONFIG_SCSI_SATA is not set
+# CONFIG_SCSI_HPTIOP is not set
 # CONFIG_SCSI_BUSLOGIC is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_EATA is not set
@@ -584,11 +608,9 @@ CONFIG_BLK_DEV_SD=y
 # CONFIG_SCSI_IPS is not set
 # CONFIG_SCSI_INITIO is not set
 # CONFIG_SCSI_INIA100 is not set
-# CONFIG_SCSI_PPA is not set
-# CONFIG_SCSI_IMM is not set
+# CONFIG_SCSI_STEX is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 # CONFIG_SCSI_QLA_FC is not set
 # CONFIG_SCSI_LPFC is not set
@@ -598,22 +620,114 @@ CONFIG_BLK_DEV_SD=y
 # CONFIG_SCSI_DEBUG is not set
 
 #
+# Serial ATA (prod) and Parallel ATA (experimental) drivers
+#
+CONFIG_ATA=y
+CONFIG_SATA_AHCI=y
+CONFIG_SATA_SVW=y
+CONFIG_ATA_PIIX=y
+# CONFIG_SATA_MV is not set
+CONFIG_SATA_NV=y
+# CONFIG_PDC_ADMA is not set
+# CONFIG_SATA_QSTOR is not set
+# CONFIG_SATA_PROMISE is not set
+# CONFIG_SATA_SX4 is not set
+CONFIG_SATA_SIL=y
+# CONFIG_SATA_SIL24 is not set
+# CONFIG_SATA_SIS is not set
+# CONFIG_SATA_ULI is not set
+CONFIG_SATA_VIA=y
+# CONFIG_SATA_VITESSE is not set
+CONFIG_SATA_INTEL_COMBINED=y
+# CONFIG_PATA_ALI is not set
+# CONFIG_PATA_AMD is not set
+# CONFIG_PATA_ARTOP is not set
+# CONFIG_PATA_ATIIXP is not set
+# CONFIG_PATA_CMD64X is not set
+# CONFIG_PATA_CS5520 is not set
+# CONFIG_PATA_CS5530 is not set
+# CONFIG_PATA_CS5535 is not set
+# CONFIG_PATA_CYPRESS is not set
+# CONFIG_PATA_EFAR is not set
+# CONFIG_ATA_GENERIC is not set
+# CONFIG_PATA_HPT366 is not set
+# CONFIG_PATA_HPT37X is not set
+# CONFIG_PATA_HPT3X2N is not set
+# CONFIG_PATA_HPT3X3 is not set
+# CONFIG_PATA_IT821X is not set
+# CONFIG_PATA_JMICRON is not set
+# CONFIG_PATA_LEGACY is not set
+# CONFIG_PATA_TRIFLEX is not set
+# CONFIG_PATA_MPIIX is not set
+# CONFIG_PATA_OLDPIIX is not set
+# CONFIG_PATA_NETCELL is not set
+# CONFIG_PATA_NS87410 is not set
+# CONFIG_PATA_OPTI is not set
+# CONFIG_PATA_OPTIDMA is not set
+# CONFIG_PATA_PDC_OLD is not set
+# CONFIG_PATA_QDI is not set
+# CONFIG_PATA_RADISYS is not set
+# CONFIG_PATA_RZ1000 is not set
+# CONFIG_PATA_SC1200 is not set
+# CONFIG_PATA_SERVERWORKS is not set
+# CONFIG_PATA_PDC2027X is not set
+# CONFIG_PATA_SIL680 is not set
+# CONFIG_PATA_SIS is not set
+# CONFIG_PATA_VIA is not set
+# CONFIG_PATA_WINBOND is not set
+
+#
 # Multi-device support (RAID and LVM)
 #
-# CONFIG_MD is not set
+CONFIG_MD=y
+# CONFIG_BLK_DEV_MD is not set
+CONFIG_BLK_DEV_DM=y
+# CONFIG_DM_CRYPT is not set
+# CONFIG_DM_SNAPSHOT is not set
+# CONFIG_DM_MIRROR is not set
+# CONFIG_DM_ZERO is not set
+# CONFIG_DM_MULTIPATH is not set
 
 #
 # Fusion MPT device support
 #
-# CONFIG_FUSION is not set
-# CONFIG_FUSION_SPI is not set
+CONFIG_FUSION=y
+CONFIG_FUSION_SPI=y
 # CONFIG_FUSION_FC is not set
 # CONFIG_FUSION_SAS is not set
+CONFIG_FUSION_MAX_SGE=128
+# CONFIG_FUSION_CTL is not set
 
 #
 # IEEE 1394 (FireWire) support
 #
-# CONFIG_IEEE1394 is not set
+CONFIG_IEEE1394=y
+
+#
+# Subsystem Options
+#
+# CONFIG_IEEE1394_VERBOSEDEBUG is not set
+# CONFIG_IEEE1394_OUI_DB is not set
+# CONFIG_IEEE1394_EXTRA_CONFIG_ROMS is not set
+# CONFIG_IEEE1394_EXPORT_FULL_API is not set
+
+#
+# Device Drivers
+#
+
+#
+# Texas Instruments PCILynx requires I2C
+#
+CONFIG_IEEE1394_OHCI1394=y
+
+#
+# Protocol Drivers
+#
+# CONFIG_IEEE1394_VIDEO1394 is not set
+# CONFIG_IEEE1394_SBP2 is not set
+# CONFIG_IEEE1394_ETH1394 is not set
+# CONFIG_IEEE1394_DV1394 is not set
+CONFIG_IEEE1394_RAWIO=y
 
 #
 # I2O device support
@@ -652,46 +766,63 @@ CONFIG_MII=y
 #
 # Tulip family network device support
 #
-# CONFIG_NET_TULIP is not set
+CONFIG_NET_TULIP=y
+# CONFIG_DE2104X is not set
+CONFIG_TULIP=y
+# CONFIG_TULIP_MWI is not set
+# CONFIG_TULIP_MMIO is not set
+# CONFIG_TULIP_NAPI is not set
+# CONFIG_DE4X5 is not set
+# CONFIG_WINBOND_840 is not set
+# CONFIG_DM9102 is not set
+# CONFIG_ULI526X is not set
 # CONFIG_HP100 is not set
 CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
 # CONFIG_ADAPTEC_STARFIRE is not set
-# CONFIG_B44 is not set
-# CONFIG_FORCEDETH is not set
+CONFIG_B44=y
+CONFIG_FORCEDETH=y
+# CONFIG_FORCEDETH_NAPI is not set
 # CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
 CONFIG_E100=y
 # CONFIG_FEALNX is not set
 # CONFIG_NATSEMI is not set
 # CONFIG_NE2K_PCI is not set
-# CONFIG_8139CP is not set
-# CONFIG_8139TOO is not set
+CONFIG_8139CP=y
+CONFIG_8139TOO=y
+# CONFIG_8139TOO_PIO is not set
+# CONFIG_8139TOO_TUNE_TWISTER is not set
+# CONFIG_8139TOO_8129 is not set
+# CONFIG_8139_OLD_RX_RESET is not set
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
 # CONFIG_SUNDANCE is not set
 # CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
-# CONFIG_NET_POCKET is not set
 
 #
 # Ethernet (1000 Mbit)
 #
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
-# CONFIG_E1000 is not set
+CONFIG_E1000=y
+# CONFIG_E1000_NAPI is not set
+# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
-# CONFIG_R8169 is not set
+CONFIG_R8169=y
+# CONFIG_R8169_NAPI is not set
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
-# CONFIG_SKY2 is not set
+CONFIG_SKY2=y
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
-# CONFIG_TIGON3 is not set
-# CONFIG_BNX2 is not set
+CONFIG_TIGON3=y
+CONFIG_BNX2=y
+# CONFIG_QLA3XXX is not set
 
 #
 # Ethernet (10000 Mbit)
@@ -699,6 +830,7 @@ CONFIG_E100=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_IXGB is not set
 # CONFIG_S2IO is not set
+# CONFIG_MYRI10GE is not set
 
 #
 # Token Ring devices
@@ -716,14 +848,15 @@ CONFIG_E100=y
 # CONFIG_WAN is not set
 # CONFIG_FDDI is not set
 # CONFIG_HIPPI is not set
-# CONFIG_PLIP is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
 # CONFIG_NET_FC is not set
 # CONFIG_SHAPER is not set
-# CONFIG_NETCONSOLE is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
+CONFIG_NETCONSOLE=y
+CONFIG_NETPOLL=y
+# CONFIG_NETPOLL_RX is not set
+# CONFIG_NETPOLL_TRAP is not set
+CONFIG_NET_POLL_CONTROLLER=y
 
 #
 # ISDN subsystem
@@ -745,8 +878,8 @@ CONFIG_INPUT=y
 #
 CONFIG_INPUT_MOUSEDEV=y
 CONFIG_INPUT_MOUSEDEV_PSAUX=y
-CONFIG_INPUT_MOUSEDEV_SCREEN_X=1280
-CONFIG_INPUT_MOUSEDEV_SCREEN_Y=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_JOYDEV is not set
 # CONFIG_INPUT_TSDEV is not set
 CONFIG_INPUT_EVDEV=y
@@ -776,7 +909,6 @@ CONFIG_SERIO=y
 CONFIG_SERIO_I8042=y
 # CONFIG_SERIO_SERPORT is not set
 # CONFIG_SERIO_CT82C710 is not set
-# CONFIG_SERIO_PARKBD is not set
 # CONFIG_SERIO_PCIPS2 is not set
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_SERIO_RAW is not set
@@ -788,14 +920,15 @@ CONFIG_SERIO_LIBPS2=y
 CONFIG_VT=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
 
 #
 # Serial drivers
 #
 CONFIG_SERIAL_8250=y
-# CONFIG_SERIAL_8250_CONSOLE is not set
-# CONFIG_SERIAL_8250_ACPI is not set
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_PCI=y
 CONFIG_SERIAL_8250_NR_UARTS=4
 CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
@@ -804,14 +937,11 @@ CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # Non-8250 serial port support
 #
 CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
-CONFIG_PRINTER=y
-# CONFIG_LP_CONSOLE is not set
-# CONFIG_PPDEV is not set
-# CONFIG_TIPAR is not set
 
 #
 # IPMI
@@ -822,8 +952,12 @@ CONFIG_PRINTER=y
 # Watchdog Cards
 #
 # CONFIG_WATCHDOG is not set
-# CONFIG_HW_RANDOM is not set
-CONFIG_NVRAM=y
+CONFIG_HW_RANDOM=y
+CONFIG_HW_RANDOM_INTEL=y
+CONFIG_HW_RANDOM_AMD=y
+CONFIG_HW_RANDOM_GEODE=y
+CONFIG_HW_RANDOM_VIA=y
+# CONFIG_NVRAM is not set
 CONFIG_RTC=y
 # CONFIG_DTLK is not set
 # CONFIG_R3964 is not set
@@ -833,31 +967,28 @@ CONFIG_RTC=y
 #
 # Ftape, the floppy tape device driver
 #
-# CONFIG_FTAPE is not set
 CONFIG_AGP=y
 # CONFIG_AGP_ALI is not set
 # CONFIG_AGP_ATI is not set
 # CONFIG_AGP_AMD is not set
-# CONFIG_AGP_AMD64 is not set
-# CONFIG_AGP_INTEL is not set
+CONFIG_AGP_AMD64=y
+CONFIG_AGP_INTEL=y
 # CONFIG_AGP_NVIDIA is not set
 # CONFIG_AGP_SIS is not set
 # CONFIG_AGP_SWORKS is not set
-CONFIG_AGP_VIA=y
+# CONFIG_AGP_VIA is not set
 # CONFIG_AGP_EFFICEON is not set
-CONFIG_DRM=y
-# CONFIG_DRM_TDFX is not set
-# CONFIG_DRM_R128 is not set
-CONFIG_DRM_RADEON=y
-# CONFIG_DRM_MGA is not set
-# CONFIG_DRM_SIS is not set
-# CONFIG_DRM_VIA is not set
-# CONFIG_DRM_SAVAGE is not set
+# CONFIG_DRM is not set
 # CONFIG_MWAVE is not set
+# CONFIG_PC8736x_GPIO is not set
+# CONFIG_NSC_GPIO is not set
 # CONFIG_CS5535_GPIO is not set
-# CONFIG_RAW_DRIVER is not set
-# CONFIG_HPET is not set
-# CONFIG_HANGCHECK_TIMER is not set
+CONFIG_RAW_DRIVER=y
+CONFIG_MAX_RAW_DEVS=256
+CONFIG_HPET=y
+# CONFIG_HPET_RTC_IRQ is not set
+CONFIG_HPET_MMAP=y
+CONFIG_HANGCHECK_TIMER=y
 
 #
 # TPM devices
@@ -868,59 +999,7 @@ CONFIG_DRM_RADEON=y
 #
 # I2C support
 #
-CONFIG_I2C=y
-CONFIG_I2C_CHARDEV=y
-
-#
-# I2C Algorithms
-#
-CONFIG_I2C_ALGOBIT=y
-# CONFIG_I2C_ALGOPCF is not set
-# CONFIG_I2C_ALGOPCA is not set
-
-#
-# I2C Hardware Bus support
-#
-# CONFIG_I2C_ALI1535 is not set
-# CONFIG_I2C_ALI1563 is not set
-# CONFIG_I2C_ALI15X3 is not set
-# CONFIG_I2C_AMD756 is not set
-# CONFIG_I2C_AMD8111 is not set
-# CONFIG_I2C_I801 is not set
-# CONFIG_I2C_I810 is not set
-# CONFIG_I2C_PIIX4 is not set
-CONFIG_I2C_ISA=y
-# CONFIG_I2C_NFORCE2 is not set
-# CONFIG_I2C_PARPORT is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PROSAVAGE is not set
-# CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_SCx200_ACB is not set
-# CONFIG_I2C_SIS5595 is not set
-# CONFIG_I2C_SIS630 is not set
-# CONFIG_I2C_SIS96X is not set
-# CONFIG_I2C_STUB is not set
-# CONFIG_I2C_VIA is not set
-CONFIG_I2C_VIAPRO=y
-# CONFIG_I2C_VOODOO3 is not set
-# CONFIG_I2C_PCA_ISA is not set
-
-#
-# Miscellaneous I2C Chip support
-#
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
-# CONFIG_SENSORS_EEPROM is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
-# CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_RTC_X1205_I2C is not set
-# CONFIG_I2C_DEBUG_CORE is not set
-# CONFIG_I2C_DEBUG_ALGO is not set
-# CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_I2C is not set
 
 #
 # SPI support
@@ -931,51 +1010,12 @@ CONFIG_I2C_VIAPRO=y
 #
 # Dallas's 1-wire bus
 #
-# CONFIG_W1 is not set
 
 #
 # Hardware Monitoring support
 #
-CONFIG_HWMON=y
-CONFIG_HWMON_VID=y
-# CONFIG_SENSORS_ADM1021 is not set
-# CONFIG_SENSORS_ADM1025 is not set
-# CONFIG_SENSORS_ADM1026 is not set
-# CONFIG_SENSORS_ADM1031 is not set
-# CONFIG_SENSORS_ADM9240 is not set
-# CONFIG_SENSORS_ASB100 is not set
-# CONFIG_SENSORS_ATXP1 is not set
-# CONFIG_SENSORS_DS1621 is not set
-# CONFIG_SENSORS_F71805F is not set
-# CONFIG_SENSORS_FSCHER is not set
-# CONFIG_SENSORS_FSCPOS is not set
-# CONFIG_SENSORS_GL518SM is not set
-# CONFIG_SENSORS_GL520SM is not set
-CONFIG_SENSORS_IT87=y
-# CONFIG_SENSORS_LM63 is not set
-# CONFIG_SENSORS_LM75 is not set
-# CONFIG_SENSORS_LM77 is not set
-# CONFIG_SENSORS_LM78 is not set
-# CONFIG_SENSORS_LM80 is not set
-# CONFIG_SENSORS_LM83 is not set
-# CONFIG_SENSORS_LM85 is not set
-# CONFIG_SENSORS_LM87 is not set
-# CONFIG_SENSORS_LM90 is not set
-# CONFIG_SENSORS_LM92 is not set
-# CONFIG_SENSORS_MAX1619 is not set
-# CONFIG_SENSORS_PC87360 is not set
-# CONFIG_SENSORS_SIS5595 is not set
-# CONFIG_SENSORS_SMSC47M1 is not set
-# CONFIG_SENSORS_SMSC47B397 is not set
-# CONFIG_SENSORS_VIA686A is not set
-# CONFIG_SENSORS_VT8231 is not set
-# CONFIG_SENSORS_W83781D is not set
-# CONFIG_SENSORS_W83792D is not set
-# CONFIG_SENSORS_W83L785TS is not set
-# CONFIG_SENSORS_W83627HF is not set
-# CONFIG_SENSORS_W83627EHF is not set
-# CONFIG_SENSORS_HDAPS is not set
-# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_HWMON is not set
+# CONFIG_HWMON_VID is not set
 
 #
 # Misc devices
@@ -983,117 +1023,31 @@ CONFIG_SENSORS_IT87=y
 # CONFIG_IBM_ASM is not set
 
 #
-# Multimedia Capabilities Port drivers
-#
-
-#
 # Multimedia devices
 #
-CONFIG_VIDEO_DEV=y
-
-#
-# Video For Linux
-#
-
-#
-# Video Adapters
-#
-# CONFIG_VIDEO_ADV_DEBUG is not set
-# CONFIG_VIDEO_BT848 is not set
-# CONFIG_VIDEO_BWQCAM is not set
-# CONFIG_VIDEO_CQCAM is not set
-# CONFIG_VIDEO_W9966 is not set
-# CONFIG_VIDEO_CPIA is not set
-# CONFIG_VIDEO_SAA5246A is not set
-# CONFIG_VIDEO_SAA5249 is not set
-# CONFIG_TUNER_3036 is not set
-# CONFIG_VIDEO_STRADIS is not set
-# CONFIG_VIDEO_ZORAN is not set
-CONFIG_VIDEO_SAA7134=y
-# CONFIG_VIDEO_SAA7134_ALSA is not set
-# CONFIG_VIDEO_MXB is not set
-# CONFIG_VIDEO_DPC is not set
-# CONFIG_VIDEO_HEXIUM_ORION is not set
-# CONFIG_VIDEO_HEXIUM_GEMINI is not set
-# CONFIG_VIDEO_CX88 is not set
-# CONFIG_VIDEO_EM28XX is not set
-# CONFIG_VIDEO_OVCAMCHIP is not set
-# CONFIG_VIDEO_AUDIO_DECODER is not set
-# CONFIG_VIDEO_DECODER is not set
-
-#
-# Radio Adapters
-#
-# CONFIG_RADIO_GEMTEK_PCI is not set
-# CONFIG_RADIO_MAXIRADIO is not set
-# CONFIG_RADIO_MAESTRO is not set
+# CONFIG_VIDEO_DEV is not set
+CONFIG_VIDEO_V4L2=y
 
 #
 # Digital Video Broadcasting Devices
 #
 # CONFIG_DVB is not set
-CONFIG_VIDEO_TUNER=y
-CONFIG_VIDEO_BUF=y
-CONFIG_VIDEO_IR=y
+# CONFIG_USB_DABUSB is not set
 
 #
 # Graphics support
 #
-CONFIG_FB=y
-CONFIG_FB_CFB_FILLRECT=y
-CONFIG_FB_CFB_COPYAREA=y
-CONFIG_FB_CFB_IMAGEBLIT=y
-# CONFIG_FB_MACMODES is not set
-CONFIG_FB_MODE_HELPERS=y
-# CONFIG_FB_TILEBLITTING is not set
-# CONFIG_FB_CIRRUS is not set
-# CONFIG_FB_PM2 is not set
-# CONFIG_FB_CYBER2000 is not set
-# CONFIG_FB_ARC is not set
-# CONFIG_FB_ASILIANT is not set
-# CONFIG_FB_IMSTT is not set
-# CONFIG_FB_VGA16 is not set
-# CONFIG_FB_VESA is not set
-CONFIG_VIDEO_SELECT=y
-# CONFIG_FB_HGA is not set
-# CONFIG_FB_S1D13XXX is not set
-# CONFIG_FB_NVIDIA is not set
-# CONFIG_FB_RIVA is not set
-# CONFIG_FB_I810 is not set
-# CONFIG_FB_INTEL is not set
-# CONFIG_FB_MATROX is not set
-# CONFIG_FB_RADEON_OLD is not set
-CONFIG_FB_RADEON=y
-CONFIG_FB_RADEON_I2C=y
-# CONFIG_FB_RADEON_DEBUG is not set
-# CONFIG_FB_ATY128 is not set
-# CONFIG_FB_ATY is not set
-# CONFIG_FB_SAVAGE is not set
-# CONFIG_FB_SIS is not set
-# CONFIG_FB_NEOMAGIC is not set
-# CONFIG_FB_KYRO is not set
-# CONFIG_FB_3DFX is not set
-# CONFIG_FB_VOODOO1 is not set
-# CONFIG_FB_CYBLA is not set
-# CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_GEODE is not set
-# CONFIG_FB_VIRTUAL is not set
+CONFIG_FIRMWARE_EDID=y
+# CONFIG_FB is not set
 
 #
 # Console display driver support
 #
 CONFIG_VGA_CONSOLE=y
+CONFIG_VGACON_SOFT_SCROLLBACK=y
+CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=128
+CONFIG_VIDEO_SELECT=y
 CONFIG_DUMMY_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
-# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
-# CONFIG_FONTS is not set
-CONFIG_FONT_8x8=y
-CONFIG_FONT_8x16=y
-
-#
-# Logo configuration
-#
-# CONFIG_LOGO is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -1104,97 +1058,30 @@ CONFIG_SOUND=y
 #
 # Advanced Linux Sound Architecture
 #
-CONFIG_SND=y
-CONFIG_SND_TIMER=y
-CONFIG_SND_PCM=y
-CONFIG_SND_RAWMIDI=y
-CONFIG_SND_SEQUENCER=y
-# CONFIG_SND_SEQ_DUMMY is not set
-# CONFIG_SND_MIXER_OSS is not set
-# CONFIG_SND_PCM_OSS is not set
-# CONFIG_SND_SEQUENCER_OSS is not set
-CONFIG_SND_RTCTIMER=y
-CONFIG_SND_SEQ_RTCTIMER_DEFAULT=y
-# CONFIG_SND_DYNAMIC_MINORS is not set
-# CONFIG_SND_SUPPORT_OLD_API is not set
-# CONFIG_SND_VERBOSE_PRINTK is not set
-# CONFIG_SND_DEBUG is not set
-
-#
-# Generic devices
-#
-CONFIG_SND_MPU401_UART=y
-CONFIG_SND_AC97_CODEC=y
-CONFIG_SND_AC97_BUS=y
-# CONFIG_SND_DUMMY is not set
-# CONFIG_SND_VIRMIDI is not set
-# CONFIG_SND_MTPAV is not set
-# CONFIG_SND_SERIAL_U16550 is not set
-# CONFIG_SND_MPU401 is not set
-
-#
-# PCI devices
-#
-# CONFIG_SND_AD1889 is not set
-# CONFIG_SND_ALS4000 is not set
-# CONFIG_SND_ALI5451 is not set
-# CONFIG_SND_ATIIXP is not set
-# CONFIG_SND_ATIIXP_MODEM is not set
-# CONFIG_SND_AU8810 is not set
-# CONFIG_SND_AU8820 is not set
-# CONFIG_SND_AU8830 is not set
-# CONFIG_SND_AZT3328 is not set
-# CONFIG_SND_BT87X is not set
-# CONFIG_SND_CA0106 is not set
-# CONFIG_SND_CMIPCI is not set
-# CONFIG_SND_CS4281 is not set
-# CONFIG_SND_CS46XX is not set
-# CONFIG_SND_CS5535AUDIO is not set
-# CONFIG_SND_EMU10K1 is not set
-# CONFIG_SND_EMU10K1X is not set
-# CONFIG_SND_ENS1370 is not set
-# CONFIG_SND_ENS1371 is not set
-# CONFIG_SND_ES1938 is not set
-# CONFIG_SND_ES1968 is not set
-# CONFIG_SND_FM801 is not set
-# CONFIG_SND_HDA_INTEL is not set
-# CONFIG_SND_HDSP is not set
-# CONFIG_SND_HDSPM is not set
-# CONFIG_SND_ICE1712 is not set
-# CONFIG_SND_ICE1724 is not set
-# CONFIG_SND_INTEL8X0 is not set
-# CONFIG_SND_INTEL8X0M is not set
-# CONFIG_SND_KORG1212 is not set
-# CONFIG_SND_MAESTRO3 is not set
-# CONFIG_SND_MIXART is not set
-# CONFIG_SND_NM256 is not set
-# CONFIG_SND_PCXHR is not set
-# CONFIG_SND_RME32 is not set
-# CONFIG_SND_RME96 is not set
-# CONFIG_SND_RME9652 is not set
-# CONFIG_SND_SONICVIBES is not set
-# CONFIG_SND_TRIDENT is not set
-CONFIG_SND_VIA82XX=y
-# CONFIG_SND_VIA82XX_MODEM is not set
-# CONFIG_SND_VX222 is not set
-# CONFIG_SND_YMFPCI is not set
-
-#
-# USB devices
-#
-# CONFIG_SND_USB_AUDIO is not set
-# CONFIG_SND_USB_USX2Y is not set
+# CONFIG_SND is not set
 
 #
 # Open Sound System
 #
-# CONFIG_SOUND_PRIME is not set
+CONFIG_SOUND_PRIME=y
+CONFIG_OSS_OBSOLETE_DRIVER=y
+# CONFIG_SOUND_BT878 is not set
+# CONFIG_SOUND_EMU10K1 is not set
+# CONFIG_SOUND_FUSION is not set
+# CONFIG_SOUND_ES1371 is not set
+CONFIG_SOUND_ICH=y
+# CONFIG_SOUND_TRIDENT is not set
+# CONFIG_SOUND_MSNDCLAS is not set
+# CONFIG_SOUND_MSNDPIN is not set
+# CONFIG_SOUND_VIA82CXXX is not set
+# CONFIG_SOUND_OSS is not set
 
 #
 # USB support
 #
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
 
@@ -1213,17 +1100,19 @@ CONFIG_USB_DEVICEFS=y
 CONFIG_USB_EHCI_HCD=y
 # CONFIG_USB_EHCI_SPLIT_ISO is not set
 # CONFIG_USB_EHCI_ROOT_HUB_TT is not set
+# CONFIG_USB_EHCI_TT_NEWSCHED is not set
 # CONFIG_USB_ISP116X_HCD is not set
-# CONFIG_USB_OHCI_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 CONFIG_USB_UHCI_HCD=y
 # CONFIG_USB_SL811_HCD is not set
 
 #
 # USB Device Class drivers
 #
-# CONFIG_OBSOLETE_OSS_USB_DRIVER is not set
 # CONFIG_USB_ACM is not set
-# CONFIG_USB_PRINTER is not set
+CONFIG_USB_PRINTER=y
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1248,21 +1137,17 @@ CONFIG_USB_STORAGE=y
 #
 # USB Input Devices
 #
-# CONFIG_USB_HID is not set
-
-#
-# USB HID Boot Protocol drivers
-#
-# CONFIG_USB_KBD is not set
-# CONFIG_USB_MOUSE is not set
+CONFIG_USB_HID=y
+CONFIG_USB_HIDINPUT=y
+# CONFIG_USB_HIDINPUT_POWERBOOK is not set
+# CONFIG_HID_FF is not set
+# CONFIG_USB_HIDDEV is not set
 # CONFIG_USB_AIPTEK is not set
 # CONFIG_USB_WACOM is not set
 # CONFIG_USB_ACECAD is not set
 # CONFIG_USB_KBTAB is not set
 # CONFIG_USB_POWERMATE is not set
-# CONFIG_USB_MTOUCH is not set
-# CONFIG_USB_ITMTOUCH is not set
-# CONFIG_USB_EGALAX is not set
+# CONFIG_USB_TOUCHSCREEN is not set
 # CONFIG_USB_YEALINK is not set
 # CONFIG_USB_XPAD is not set
 # CONFIG_USB_ATI_REMOTE is not set
@@ -1277,21 +1162,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_MICROTEK is not set
 
 #
-# USB Multimedia devices
-#
-# CONFIG_USB_DABUSB is not set
-# CONFIG_USB_VICAM is not set
-# CONFIG_USB_DSBR is not set
-# CONFIG_USB_ET61X251 is not set
-# CONFIG_USB_IBMCAM is not set
-# CONFIG_USB_KONICAWC is not set
-# CONFIG_USB_OV511 is not set
-# CONFIG_USB_SE401 is not set
-# CONFIG_USB_SN9C102 is not set
-# CONFIG_USB_STV680 is not set
-# CONFIG_USB_PWC is not set
-
-#
 # USB Network Adapters
 #
 # CONFIG_USB_CATC is not set
@@ -1299,12 +1169,11 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_USBNET is not set
-# CONFIG_USB_MON is not set
+CONFIG_USB_MON=y
 
 #
 # USB port drivers
 #
-# CONFIG_USB_USS720 is not set
 
 #
 # USB Serial Converter support
@@ -1321,10 +1190,12 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
 # CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
 # CONFIG_USB_PHIDGETKIT is not set
 # CONFIG_USB_PHIDGETSERVO is not set
 # CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_APPLEDISPLAY is not set
 # CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_LD is not set
 # CONFIG_USB_TEST is not set
@@ -1344,56 +1215,96 @@ CONFIG_USB_STORAGE=y
 # CONFIG_MMC is not set
 
 #
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
+#
 # InfiniBand support
 #
 # CONFIG_INFINIBAND is not set
 
 #
-# SN Devices
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+#
+# CONFIG_EDAC is not set
+
+#
+# Real Time Clock
 #
+# CONFIG_RTC_CLASS is not set
 
 #
-# EDAC - error detection and reporting (RAS)
+# DMA Engine support
+#
+# CONFIG_DMA_ENGINE is not set
+
+#
+# DMA Clients
+#
+
+#
+# DMA Devices
 #
-# CONFIG_EDAC is not set
 
 #
 # File systems
 #
 CONFIG_EXT2_FS=y
-# CONFIG_EXT2_FS_XATTR is not set
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+# CONFIG_EXT2_FS_SECURITY is not set
 # CONFIG_EXT2_FS_XIP is not set
-# CONFIG_EXT3_FS is not set
-# CONFIG_REISERFS_FS is not set
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_XATTR=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+# CONFIG_EXT3_FS_SECURITY is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+CONFIG_REISERFS_FS=y
+# CONFIG_REISERFS_CHECK is not set
+# CONFIG_REISERFS_PROC_INFO is not set
+CONFIG_REISERFS_FS_XATTR=y
+CONFIG_REISERFS_FS_POSIX_ACL=y
+# CONFIG_REISERFS_FS_SECURITY is not set
 # CONFIG_JFS_FS is not set
-# CONFIG_FS_POSIX_ACL is not set
+CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
-# CONFIG_INOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
-# CONFIG_AUTOFS4_FS is not set
+CONFIG_AUTOFS4_FS=y
 # CONFIG_FUSE_FS is not set
 
 #
 # CD-ROM/DVD Filesystems
 #
 CONFIG_ISO9660_FS=y
-CONFIG_JOLIET=y
-CONFIG_ZISOFS=y
-CONFIG_ZISOFS_FS=y
+# CONFIG_JOLIET is not set
+# CONFIG_ZISOFS is not set
 # CONFIG_UDF_FS is not set
 
 #
 # DOS/FAT/NT Filesystems
 #
 CONFIG_FAT_FS=y
-# CONFIG_MSDOS_FS is not set
+CONFIG_MSDOS_FS=y
 CONFIG_VFAT_FS=y
-CONFIG_FAT_DEFAULT_CODEPAGE=850
+CONFIG_FAT_DEFAULT_CODEPAGE=437
 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 # CONFIG_NTFS_FS is not set
 
@@ -1404,10 +1315,9 @@ CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
-# CONFIG_HUGETLBFS is not set
-# CONFIG_HUGETLB_PAGE is not set
+CONFIG_HUGETLBFS=y
+CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
-# CONFIG_RELAYFS_FS is not set
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -1430,13 +1340,26 @@ CONFIG_RAMFS=y
 #
 # Network File Systems
 #
-# CONFIG_NFS_FS is not set
-# CONFIG_NFSD is not set
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFS_DIRECTIO is not set
+CONFIG_NFSD=y
+CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
+# CONFIG_NFSD_V4 is not set
+CONFIG_NFSD_TCP=y
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
-CONFIG_CIFS=y
-# CONFIG_CIFS_STATS is not set
-# CONFIG_CIFS_XATTR is not set
-# CONFIG_CIFS_EXPERIMENTAL is not set
+# CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
@@ -1445,33 +1368,18 @@ CONFIG_CIFS=y
 #
 # Partition Types
 #
-CONFIG_PARTITION_ADVANCED=y
-# CONFIG_ACORN_PARTITION is not set
-# CONFIG_OSF_PARTITION is not set
-# CONFIG_AMIGA_PARTITION is not set
-# CONFIG_ATARI_PARTITION is not set
-# CONFIG_MAC_PARTITION is not set
+# CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-# CONFIG_BSD_DISKLABEL is not set
-# CONFIG_MINIX_SUBPARTITION is not set
-# CONFIG_SOLARIS_X86_PARTITION is not set
-# CONFIG_UNIXWARE_DISKLABEL is not set
-# CONFIG_LDM_PARTITION is not set
-# CONFIG_SGI_PARTITION is not set
-# CONFIG_ULTRIX_PARTITION is not set
-# CONFIG_SUN_PARTITION is not set
-# CONFIG_KARMA_PARTITION is not set
-# CONFIG_EFI_PARTITION is not set
 
 #
 # Native Language Support
 #
 CONFIG_NLS=y
-CONFIG_NLS_DEFAULT="iso8859-15"
-# CONFIG_NLS_CODEPAGE_437 is not set
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
 # CONFIG_NLS_CODEPAGE_737 is not set
 # CONFIG_NLS_CODEPAGE_775 is not set
-CONFIG_NLS_CODEPAGE_850=y
+# CONFIG_NLS_CODEPAGE_850 is not set
 # CONFIG_NLS_CODEPAGE_852 is not set
 # CONFIG_NLS_CODEPAGE_855 is not set
 # CONFIG_NLS_CODEPAGE_857 is not set
@@ -1491,7 +1399,7 @@ CONFIG_NLS_CODEPAGE_850=y
 # CONFIG_NLS_ISO8859_8 is not set
 # CONFIG_NLS_CODEPAGE_1250 is not set
 # CONFIG_NLS_CODEPAGE_1251 is not set
-# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ASCII=y
 CONFIG_NLS_ISO8859_1=y
 # CONFIG_NLS_ISO8859_2 is not set
 # CONFIG_NLS_ISO8859_3 is not set
@@ -1510,20 +1418,50 @@ CONFIG_NLS_UTF8=y
 #
 # Instrumentation Support
 #
-# CONFIG_PROFILING is not set
-# CONFIG_KPROBES is not set
+CONFIG_PROFILING=y
+CONFIG_OPROFILE=y
+CONFIG_KPROBES=y
 
 #
 # Kernel hacking
 #
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
 CONFIG_MAGIC_SYSRQ=y
-# CONFIG_DEBUG_KERNEL is not set
-CONFIG_LOG_BUF_SHIFT=14
+CONFIG_UNUSED_SYMBOLS=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_LOG_BUF_SHIFT=18
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_RWSEMS is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_HIGHMEM is not set
 CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_FRAME_POINTER is not set
+CONFIG_UNWIND_INFO=y
+CONFIG_STACK_UNWIND=y
+# CONFIG_FORCED_INLINING is not set
+# CONFIG_RCU_TORTURE_TEST is not set
 CONFIG_EARLY_PRINTK=y
+CONFIG_DEBUG_STACKOVERFLOW=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_RODATA is not set
+# CONFIG_4KSTACKS is not set
 CONFIG_X86_FIND_SMP_CONFIG=y
 CONFIG_X86_MPPARSE=y
+CONFIG_DOUBLEFAULT=y
 
 #
 # Security options
@@ -1537,10 +1475,6 @@ CONFIG_X86_MPPARSE=y
 # CONFIG_CRYPTO is not set
 
 #
-# Hardware crypto devices
-#
-
-#
 # Library routines
 #
 # CONFIG_CRC_CCITT is not set
@@ -1548,7 +1482,12 @@ CONFIG_X86_MPPARSE=y
 CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
+CONFIG_PLIST=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_PENDING_IRQ=y
+CONFIG_X86_SMP=y
+CONFIG_X86_HT=y
 CONFIG_X86_BIOS_REBOOT=y
+CONFIG_X86_TRAMPOLINE=y
 CONFIG_KTIME_SCALAR=y
diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index 5427a842e841..1a884b6e6e5c 100644
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -4,7 +4,7 @@
 
 extra-y := head.o init_task.o vmlinux.lds
 
-obj-y	:= process.o semaphore.o signal.o entry.o traps.o irq.o \
+obj-y	:= process.o signal.o entry.o traps.o irq.o \
 		ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \
 		pci-dma.o i386_ksyms.o i387.o bootflag.o \
 		quirks.o i8237.o topology.o alternative.o i8253.o tsc.o
@@ -81,4 +81,5 @@ $(obj)/vsyscall-syms.o: $(src)/vsyscall.lds \
 	$(call if_changed,syscall)
 
 k8-y                      += ../../x86_64/kernel/k8.o
+stacktrace-y		  += ../../x86_64/kernel/stacktrace.o
 
diff --git a/arch/i386/kernel/acpi/Makefile b/arch/i386/kernel/acpi/Makefile
index 7e9ac99354f4..7f7be01f44e6 100644
--- a/arch/i386/kernel/acpi/Makefile
+++ b/arch/i386/kernel/acpi/Makefile
@@ -1,5 +1,7 @@
 obj-$(CONFIG_ACPI)		+= boot.o
+ifneq ($(CONFIG_PCI),)
 obj-$(CONFIG_X86_IO_APIC)	+= earlyquirk.o
+endif
 obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup.o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index ee003bc0e8b1..1aaea6ab8c46 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -26,9 +26,12 @@
 #include <linux/init.h>
 #include <linux/acpi.h>
 #include <linux/efi.h>
+#include <linux/cpumask.h>
 #include <linux/module.h>
 #include <linux/dmi.h>
 #include <linux/irq.h>
+#include <linux/bootmem.h>
+#include <linux/ioport.h>
 
 #include <asm/pgtable.h>
 #include <asm/io_apic.h>
@@ -36,11 +39,17 @@
 #include <asm/io.h>
 #include <asm/mpspec.h>
 
-#ifdef	CONFIG_X86_64
+static int __initdata acpi_force = 0;
 
-extern void __init clustered_apic_check(void);
+#ifdef	CONFIG_ACPI
+int acpi_disabled = 0;
+#else
+int acpi_disabled = 1;
+#endif
+EXPORT_SYMBOL(acpi_disabled);
+
+#ifdef	CONFIG_X86_64
 
-extern int gsi_irq_sharing(int gsi);
 #include <asm/proto.h>
 
 static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return 0; }
@@ -506,16 +515,76 @@ EXPORT_SYMBOL(acpi_register_gsi);
 #ifdef CONFIG_ACPI_HOTPLUG_CPU
 int acpi_map_lsapic(acpi_handle handle, int *pcpu)
 {
-	/* TBD */
-	return -EINVAL;
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	union acpi_object *obj;
+	struct acpi_table_lapic *lapic;
+	cpumask_t tmp_map, new_map;
+	u8 physid;
+	int cpu;
+
+	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
+		return -EINVAL;
+
+	if (!buffer.length || !buffer.pointer)
+		return -EINVAL;
+
+	obj = buffer.pointer;
+	if (obj->type != ACPI_TYPE_BUFFER ||
+	    obj->buffer.length < sizeof(*lapic)) {
+		kfree(buffer.pointer);
+		return -EINVAL;
+	}
+
+	lapic = (struct acpi_table_lapic *)obj->buffer.pointer;
+
+	if ((lapic->header.type != ACPI_MADT_LAPIC) ||
+	    (!lapic->flags.enabled)) {
+		kfree(buffer.pointer);
+		return -EINVAL;
+	}
+
+	physid = lapic->id;
+
+	kfree(buffer.pointer);
+	buffer.length = ACPI_ALLOCATE_BUFFER;
+	buffer.pointer = NULL;
+
+	tmp_map = cpu_present_map;
+	mp_register_lapic(physid, lapic->flags.enabled);
+
+	/*
+	 * If mp_register_lapic successfully generates a new logical cpu
+	 * number, then the following will get us exactly what was mapped
+	 */
+	cpus_andnot(new_map, cpu_present_map, tmp_map);
+	if (cpus_empty(new_map)) {
+		printk ("Unable to map lapic to logical cpu number\n");
+		return -EINVAL;
+	}
+
+	cpu = first_cpu(new_map);
+
+	*pcpu = cpu;
+	return 0;
 }
 
 EXPORT_SYMBOL(acpi_map_lsapic);
 
 int acpi_unmap_lsapic(int cpu)
 {
-	/* TBD */
-	return -EINVAL;
+	int i;
+
+	for_each_possible_cpu(i) {
+		if (x86_acpiid_to_apicid[i] == x86_cpu_to_apicid[cpu]) {
+			x86_acpiid_to_apicid[i] = -1;
+			break;
+		}
+	}
+	x86_cpu_to_apicid[cpu] = -1;
+	cpu_clear(cpu, cpu_present_map);
+	num_processors--;
+
+	return (0);
 }
 
 EXPORT_SYMBOL(acpi_unmap_lsapic);
@@ -579,6 +648,8 @@ static int __init acpi_parse_sbf(unsigned long phys_addr, unsigned long size)
 static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
 {
 	struct acpi_table_hpet *hpet_tbl;
+	struct resource *hpet_res;
+	resource_size_t res_start;
 
 	if (!phys || !size)
 		return -EINVAL;
@@ -594,12 +665,26 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
 		       "memory.\n");
 		return -1;
 	}
+
+#define HPET_RESOURCE_NAME_SIZE 9
+	hpet_res = alloc_bootmem(sizeof(*hpet_res) + HPET_RESOURCE_NAME_SIZE);
+	if (hpet_res) {
+		memset(hpet_res, 0, sizeof(*hpet_res));
+		hpet_res->name = (void *)&hpet_res[1];
+		hpet_res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+		snprintf((char *)hpet_res->name, HPET_RESOURCE_NAME_SIZE,
+			 "HPET %u", hpet_tbl->number);
+		hpet_res->end = (1 * 1024) - 1;
+	}
+
 #ifdef	CONFIG_X86_64
 	vxtime.hpet_address = hpet_tbl->addr.addrl |
 	    ((long)hpet_tbl->addr.addrh << 32);
 
 	printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n",
 	       hpet_tbl->id, vxtime.hpet_address);
+
+	res_start = vxtime.hpet_address;
 #else				/* X86 */
 	{
 		extern unsigned long hpet_address;
@@ -607,9 +692,17 @@ static int __init acpi_parse_hpet(unsigned long phys, unsigned long size)
 		hpet_address = hpet_tbl->addr.addrl;
 		printk(KERN_INFO PREFIX "HPET id: %#x base: %#lx\n",
 		       hpet_tbl->id, hpet_address);
+
+		res_start = hpet_address;
 	}
 #endif				/* X86 */
 
+	if (hpet_res) {
+		hpet_res->start = res_start;
+		hpet_res->end += res_start;
+		insert_resource(&iomem_resource, hpet_res);
+	}
+
 	return 0;
 }
 #else
@@ -860,8 +953,6 @@ static void __init acpi_process_madt(void)
 	return;
 }
 
-extern int acpi_force;
-
 #ifdef __i386__
 
 static int __init disable_acpi_irq(struct dmi_system_id *d)
@@ -1163,3 +1254,75 @@ int __init acpi_boot_init(void)
 
 	return 0;
 }
+
+static int __init parse_acpi(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
+
+	/* "acpi=off" disables both ACPI table parsing and interpreter */
+	if (strcmp(arg, "off") == 0) {
+		disable_acpi();
+	}
+	/* acpi=force to over-ride black-list */
+	else if (strcmp(arg, "force") == 0) {
+		acpi_force = 1;
+		acpi_ht = 1;
+		acpi_disabled = 0;
+	}
+	/* acpi=strict disables out-of-spec workarounds */
+	else if (strcmp(arg, "strict") == 0) {
+		acpi_strict = 1;
+	}
+	/* Limit ACPI just to boot-time to enable HT */
+	else if (strcmp(arg, "ht") == 0) {
+		if (!acpi_force)
+			disable_acpi();
+		acpi_ht = 1;
+	}
+	/* "acpi=noirq" disables ACPI interrupt routing */
+	else if (strcmp(arg, "noirq") == 0) {
+		acpi_noirq_set();
+	} else {
+		/* Core will printk when we return error. */
+		return -EINVAL;
+	}
+	return 0;
+}
+early_param("acpi", parse_acpi);
+
+/* FIXME: Using pci= for an ACPI parameter is a travesty. */
+static int __init parse_pci(char *arg)
+{
+	if (arg && strcmp(arg, "noacpi") == 0)
+		acpi_disable_pci();
+	return 0;
+}
+early_param("pci", parse_pci);
+
+#ifdef CONFIG_X86_IO_APIC
+static int __init parse_acpi_skip_timer_override(char *arg)
+{
+	acpi_skip_timer_override = 1;
+	return 0;
+}
+early_param("acpi_skip_timer_override", parse_acpi_skip_timer_override);
+#endif /* CONFIG_X86_IO_APIC */
+
+static int __init setup_acpi_sci(char *s)
+{
+	if (!s)
+		return -EINVAL;
+	if (!strcmp(s, "edge"))
+		acpi_sci_flags.trigger = 1;
+	else if (!strcmp(s, "level"))
+		acpi_sci_flags.trigger = 3;
+	else if (!strcmp(s, "high"))
+		acpi_sci_flags.polarity = 1;
+	else if (!strcmp(s, "low"))
+		acpi_sci_flags.polarity = 3;
+	else
+		return -EINVAL;
+	return 0;
+}
+early_param("acpi_sci", setup_acpi_sci);
diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
index 1649a175a206..fe799b11ac0a 100644
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ b/arch/i386/kernel/acpi/earlyquirk.c
@@ -48,7 +48,11 @@ void __init check_acpi_pci(void)
 	int num, slot, func;
 
 	/* Assume the machine supports type 1. If not it will 
-	   always read ffffffff and should not have any side effect. */
+	   always read ffffffff and should not have any side effect.
+	   Actually a few buggy systems can machine check. Allow the user
+	   to disable it by command line option at least -AK */
+	if (!early_pci_allowed())
+		return;
 
 	/* Poor man's PCI discovery */
 	for (num = 0; num < 32; num++) {
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 8c844d07862f..90faae5c5d30 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -52,7 +52,18 @@ static cpumask_t timer_bcast_ipi;
 /*
  * Knob to control our willingness to enable the local APIC.
  */
-int enable_local_apic __initdata = 0; /* -1=force-disable, +1=force-enable */
+static int enable_local_apic __initdata = 0; /* -1=force-disable, +1=force-enable */
+
+static inline void lapic_disable(void)
+{
+	enable_local_apic = -1;
+	clear_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability);
+}
+
+static inline void lapic_enable(void)
+{
+	enable_local_apic = 1;
+}
 
 /*
  * Debug level
@@ -586,8 +597,7 @@ void __devinit setup_local_APIC(void)
 			printk("No ESR for 82489DX.\n");
 	}
 
-	if (nmi_watchdog == NMI_LOCAL_APIC)
-		setup_apic_nmi_watchdog();
+	setup_apic_nmi_watchdog(NULL);
 	apic_pm_activate();
 }
 
@@ -1373,3 +1383,18 @@ int __init APIC_init_uniprocessor (void)
 
 	return 0;
 }
+
+static int __init parse_lapic(char *arg)
+{
+	lapic_enable();
+	return 0;
+}
+early_param("lapic", parse_lapic);
+
+static int __init parse_nolapic(char *arg)
+{
+	lapic_disable();
+	return 0;
+}
+early_param("nolapic", parse_nolapic);
+
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index 8591f2fa920c..ff9ce4b5eaa8 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -1154,9 +1154,11 @@ out:
 
 static void set_time(void)
 {
+	struct timespec ts;
 	if (got_clock_diff) {	/* Must know time zone in order to set clock */
-		xtime.tv_sec = get_cmos_time() + clock_cmos_diff;
-		xtime.tv_nsec = 0; 
+		ts.tv_sec = get_cmos_time() + clock_cmos_diff;
+		ts.tv_nsec = 0;
+		do_settimeofday(&ts);
 	} 
 }
 
@@ -1232,13 +1234,8 @@ static int suspend(int vetoable)
 	restore_processor_state();
 
 	local_irq_disable();
-	write_seqlock(&xtime_lock);
-	spin_lock(&i8253_lock);
-	reinit_timer();
 	set_time();
-
-	spin_unlock(&i8253_lock);
-	write_sequnlock(&xtime_lock);
+	reinit_timer();
 
 	if (err == APM_NO_ERROR)
 		err = APM_SUCCESS;
@@ -1365,9 +1362,7 @@ static void check_events(void)
 			ignore_bounce = 1;
 			if ((event != APM_NORMAL_RESUME)
 			    || (ignore_normal_resume == 0)) {
-				write_seqlock_irq(&xtime_lock);
 				set_time();
-				write_sequnlock_irq(&xtime_lock);
 				device_resume();
 				pm_send_all(PM_RESUME, (void *)0);
 				queue_event(event, NULL);
@@ -1383,9 +1378,7 @@ static void check_events(void)
 			break;
 
 		case APM_UPDATE_TIME:
-			write_seqlock_irq(&xtime_lock);
 			set_time();
-			write_sequnlock_irq(&xtime_lock);
 			break;
 
 		case APM_CRITICAL_SUSPEND:
@@ -2339,6 +2332,7 @@ static int __init apm_init(void)
 	ret = kernel_thread(apm, NULL, CLONE_KERNEL | SIGCHLD);
 	if (ret < 0) {
 		printk(KERN_ERR "apm: disabled - Unable to start kernel thread.\n");
+		remove_proc_entry("apm", NULL);
 		return -ENOMEM;
 	}
 
@@ -2348,7 +2342,13 @@ static int __init apm_init(void)
 		return 0;
 	}
 
-	misc_register(&apm_device);
+	/*
+	 * Note we don't actually care if the misc_device cannot be registered.
+	 * this driver can do its job without it, even if userspace can't
+	 * control it.  just log the error
+	 */
+	if (misc_register(&apm_device))
+		printk(KERN_WARNING "apm: Could not register misc device.\n");
 
 	if (HZ != 100)
 		idle_period = (idle_period * HZ) / 100;
diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
index e6a2d6b80cda..e4758095d87a 100644
--- a/arch/i386/kernel/cpu/amd.c
+++ b/arch/i386/kernel/cpu/amd.c
@@ -22,7 +22,7 @@
 extern void vide(void);
 __asm__(".align 4\nvide: ret");
 
-static void __init init_amd(struct cpuinfo_x86 *c)
+static void __cpuinit init_amd(struct cpuinfo_x86 *c)
 {
 	u32 l, h;
 	int mbytes = num_physpages >> (20-PAGE_SHIFT);
@@ -246,7 +246,7 @@ static void __init init_amd(struct cpuinfo_x86 *c)
 		num_cache_leaves = 3;
 }
 
-static unsigned int amd_size_cache(struct cpuinfo_x86 * c, unsigned int size)
+static unsigned int __cpuinit amd_size_cache(struct cpuinfo_x86 * c, unsigned int size)
 {
 	/* AMD errata T13 (order #21922) */
 	if ((c->x86 == 6)) {
@@ -259,7 +259,7 @@ static unsigned int amd_size_cache(struct cpuinfo_x86 * c, unsigned int size)
 	return size;
 }
 
-static struct cpu_dev amd_cpu_dev __initdata = {
+static struct cpu_dev amd_cpu_dev __cpuinitdata = {
 	.c_vendor	= "AMD",
 	.c_ident 	= { "AuthenticAMD" },
 	.c_models = {
@@ -275,7 +275,6 @@ static struct cpu_dev amd_cpu_dev __initdata = {
 		},
 	},
 	.c_init		= init_amd,
-	.c_identify	= generic_identify,
 	.c_size_cache	= amd_size_cache,
 };
 
diff --git a/arch/i386/kernel/cpu/centaur.c b/arch/i386/kernel/cpu/centaur.c
index bd75629dd262..8c25047975c0 100644
--- a/arch/i386/kernel/cpu/centaur.c
+++ b/arch/i386/kernel/cpu/centaur.c
@@ -9,7 +9,7 @@
 
 #ifdef CONFIG_X86_OOSTORE
 
-static u32 __init power2(u32 x)
+static u32 __cpuinit power2(u32 x)
 {
 	u32 s=1;
 	while(s<=x)
@@ -22,7 +22,7 @@ static u32 __init power2(u32 x)
  *	Set up an actual MCR
  */
  
-static void __init centaur_mcr_insert(int reg, u32 base, u32 size, int key)
+static void __cpuinit centaur_mcr_insert(int reg, u32 base, u32 size, int key)
 {
 	u32 lo, hi;
 	
@@ -40,7 +40,7 @@ static void __init centaur_mcr_insert(int reg, u32 base, u32 size, int key)
  *	Shortcut: We know you can't put 4Gig of RAM on a winchip
  */
 
-static u32 __init ramtop(void)		/* 16388 */
+static u32 __cpuinit ramtop(void)		/* 16388 */
 {
 	int i;
 	u32 top = 0;
@@ -91,7 +91,7 @@ static u32 __init ramtop(void)		/* 16388 */
  *	Compute a set of MCR's to give maximum coverage
  */
 
-static int __init centaur_mcr_compute(int nr, int key)
+static int __cpuinit centaur_mcr_compute(int nr, int key)
 {
 	u32 mem = ramtop();
 	u32 root = power2(mem);
@@ -166,7 +166,7 @@ static int __init centaur_mcr_compute(int nr, int key)
 	return ct;
 }
 
-static void __init centaur_create_optimal_mcr(void)
+static void __cpuinit centaur_create_optimal_mcr(void)
 {
 	int i;
 	/*
@@ -189,7 +189,7 @@ static void __init centaur_create_optimal_mcr(void)
 		wrmsr(MSR_IDT_MCR0+i, 0, 0);
 }
 
-static void __init winchip2_create_optimal_mcr(void)
+static void __cpuinit winchip2_create_optimal_mcr(void)
 {
 	u32 lo, hi;
 	int i;
@@ -227,7 +227,7 @@ static void __init winchip2_create_optimal_mcr(void)
  *	Handle the MCR key on the Winchip 2.
  */
 
-static void __init winchip2_unprotect_mcr(void)
+static void __cpuinit winchip2_unprotect_mcr(void)
 {
 	u32 lo, hi;
 	u32 key;
@@ -239,7 +239,7 @@ static void __init winchip2_unprotect_mcr(void)
 	wrmsr(MSR_IDT_MCR_CTRL, lo, hi);
 }
 
-static void __init winchip2_protect_mcr(void)
+static void __cpuinit winchip2_protect_mcr(void)
 {
 	u32 lo, hi;
 	
@@ -257,7 +257,7 @@ static void __init winchip2_protect_mcr(void)
 #define RNG_ENABLED	(1 << 3)
 #define RNG_ENABLE	(1 << 6)	/* MSR_VIA_RNG */
 
-static void __init init_c3(struct cpuinfo_x86 *c)
+static void __cpuinit init_c3(struct cpuinfo_x86 *c)
 {
 	u32  lo, hi;
 
@@ -303,7 +303,7 @@ static void __init init_c3(struct cpuinfo_x86 *c)
 	display_cacheinfo(c);
 }
 
-static void __init init_centaur(struct cpuinfo_x86 *c)
+static void __cpuinit init_centaur(struct cpuinfo_x86 *c)
 {
 	enum {
 		ECX8=1<<1,
@@ -442,7 +442,7 @@ static void __init init_centaur(struct cpuinfo_x86 *c)
 	}
 }
 
-static unsigned int centaur_size_cache(struct cpuinfo_x86 * c, unsigned int size)
+static unsigned int __cpuinit centaur_size_cache(struct cpuinfo_x86 * c, unsigned int size)
 {
 	/* VIA C3 CPUs (670-68F) need further shifting. */
 	if ((c->x86 == 6) && ((c->x86_model == 7) || (c->x86_model == 8)))
@@ -457,7 +457,7 @@ static unsigned int centaur_size_cache(struct cpuinfo_x86 * c, unsigned int size
 	return size;
 }
 
-static struct cpu_dev centaur_cpu_dev __initdata = {
+static struct cpu_dev centaur_cpu_dev __cpuinitdata = {
 	.c_vendor	= "Centaur",
 	.c_ident	= { "CentaurHauls" },
 	.c_init		= init_centaur,
diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c
index 70c87de582c7..2799baaadf45 100644
--- a/arch/i386/kernel/cpu/common.c
+++ b/arch/i386/kernel/cpu/common.c
@@ -36,7 +36,7 @@ struct cpu_dev * cpu_devs[X86_VENDOR_NUM] = {};
 
 extern int disable_pse;
 
-static void default_init(struct cpuinfo_x86 * c)
+static void __cpuinit default_init(struct cpuinfo_x86 * c)
 {
 	/* Not much we can do here... */
 	/* Check if at least it has cpuid */
@@ -49,7 +49,7 @@ static void default_init(struct cpuinfo_x86 * c)
 	}
 }
 
-static struct cpu_dev default_cpu = {
+static struct cpu_dev __cpuinitdata default_cpu = {
 	.c_init	= default_init,
 	.c_vendor = "Unknown",
 };
@@ -265,7 +265,7 @@ static void __init early_cpu_detect(void)
 	}
 }
 
-void __cpuinit generic_identify(struct cpuinfo_x86 * c)
+static void __cpuinit generic_identify(struct cpuinfo_x86 * c)
 {
 	u32 tfms, xlvl;
 	int ebx;
@@ -675,7 +675,7 @@ old_gdt:
 #endif
 
 	/* Clear %fs and %gs. */
-	asm volatile ("xorl %eax, %eax; movl %eax, %fs; movl %eax, %gs");
+	asm volatile ("movl %0, %%fs; movl %0, %%gs" : : "r" (0));
 
 	/* Clear all 6 debug registers: */
 	set_debugreg(0, 0);
diff --git a/arch/i386/kernel/cpu/cpu.h b/arch/i386/kernel/cpu/cpu.h
index 5a1d4f163e84..2f6432cef6ff 100644
--- a/arch/i386/kernel/cpu/cpu.h
+++ b/arch/i386/kernel/cpu/cpu.h
@@ -24,7 +24,5 @@ extern struct cpu_dev * cpu_devs [X86_VENDOR_NUM];
 extern int get_model_name(struct cpuinfo_x86 *c);
 extern void display_cacheinfo(struct cpuinfo_x86 *c);
 
-extern void generic_identify(struct cpuinfo_x86 * c);
-
 extern void early_intel_workaround(struct cpuinfo_x86 *c);
 
diff --git a/arch/i386/kernel/cpu/cyrix.c b/arch/i386/kernel/cpu/cyrix.c
index f03b7f94c304..c0c3b59de32c 100644
--- a/arch/i386/kernel/cpu/cyrix.c
+++ b/arch/i386/kernel/cpu/cyrix.c
@@ -12,7 +12,7 @@
 /*
  * Read NSC/Cyrix DEVID registers (DIR) to get more detailed info. about the CPU
  */
-static void __init do_cyrix_devid(unsigned char *dir0, unsigned char *dir1)
+static void __cpuinit do_cyrix_devid(unsigned char *dir0, unsigned char *dir1)
 {
 	unsigned char ccr2, ccr3;
 	unsigned long flags;
@@ -52,25 +52,25 @@ static void __init do_cyrix_devid(unsigned char *dir0, unsigned char *dir1)
  * Actually since bugs.h doesn't even reference this perhaps someone should
  * fix the documentation ???
  */
-static unsigned char Cx86_dir0_msb __initdata = 0;
+static unsigned char Cx86_dir0_msb __cpuinitdata = 0;
 
-static char Cx86_model[][9] __initdata = {
+static char Cx86_model[][9] __cpuinitdata = {
 	"Cx486", "Cx486", "5x86 ", "6x86", "MediaGX ", "6x86MX ",
 	"M II ", "Unknown"
 };
-static char Cx486_name[][5] __initdata = {
+static char Cx486_name[][5] __cpuinitdata = {
 	"SLC", "DLC", "SLC2", "DLC2", "SRx", "DRx",
 	"SRx2", "DRx2"
 };
-static char Cx486S_name[][4] __initdata = {
+static char Cx486S_name[][4] __cpuinitdata = {
 	"S", "S2", "Se", "S2e"
 };
-static char Cx486D_name[][4] __initdata = {
+static char Cx486D_name[][4] __cpuinitdata = {
 	"DX", "DX2", "?", "?", "?", "DX4"
 };
-static char Cx86_cb[] __initdata = "?.5x Core/Bus Clock";
-static char cyrix_model_mult1[] __initdata = "12??43";
-static char cyrix_model_mult2[] __initdata = "12233445";
+static char Cx86_cb[] __cpuinitdata = "?.5x Core/Bus Clock";
+static char cyrix_model_mult1[] __cpuinitdata = "12??43";
+static char cyrix_model_mult2[] __cpuinitdata = "12233445";
 
 /*
  * Reset the slow-loop (SLOP) bit on the 686(L) which is set by some old
@@ -82,7 +82,7 @@ static char cyrix_model_mult2[] __initdata = "12233445";
 
 extern void calibrate_delay(void) __init;
 
-static void __init check_cx686_slop(struct cpuinfo_x86 *c)
+static void __cpuinit check_cx686_slop(struct cpuinfo_x86 *c)
 {
 	unsigned long flags;
 	
@@ -107,7 +107,7 @@ static void __init check_cx686_slop(struct cpuinfo_x86 *c)
 }
 
 
-static void __init set_cx86_reorder(void)
+static void __cpuinit set_cx86_reorder(void)
 {
 	u8 ccr3;
 
@@ -122,7 +122,7 @@ static void __init set_cx86_reorder(void)
 	setCx86(CX86_CCR3, ccr3);
 }
 
-static void __init set_cx86_memwb(void)
+static void __cpuinit set_cx86_memwb(void)
 {
 	u32 cr0;
 
@@ -137,7 +137,7 @@ static void __init set_cx86_memwb(void)
 	setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x14 );
 }
 
-static void __init set_cx86_inc(void)
+static void __cpuinit set_cx86_inc(void)
 {
 	unsigned char ccr3;
 
@@ -158,7 +158,7 @@ static void __init set_cx86_inc(void)
  *	Configure later MediaGX and/or Geode processor.
  */
 
-static void __init geode_configure(void)
+static void __cpuinit geode_configure(void)
 {
 	unsigned long flags;
 	u8 ccr3, ccr4;
@@ -184,14 +184,14 @@ static void __init geode_configure(void)
 
 
 #ifdef CONFIG_PCI
-static struct pci_device_id __initdata cyrix_55x0[] = {
+static struct pci_device_id __cpuinitdata cyrix_55x0[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5510) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5520) },
 	{ },
 };
 #endif
 
-static void __init init_cyrix(struct cpuinfo_x86 *c)
+static void __cpuinit init_cyrix(struct cpuinfo_x86 *c)
 {
 	unsigned char dir0, dir0_msn, dir0_lsn, dir1 = 0;
 	char *buf = c->x86_model_id;
@@ -346,7 +346,7 @@ static void __init init_cyrix(struct cpuinfo_x86 *c)
 /*
  * Handle National Semiconductor branded processors
  */
-static void __init init_nsc(struct cpuinfo_x86 *c)
+static void __cpuinit init_nsc(struct cpuinfo_x86 *c)
 {
 	/* There may be GX1 processors in the wild that are branded
 	 * NSC and not Cyrix.
@@ -394,7 +394,7 @@ static inline int test_cyrix_52div(void)
 	return (unsigned char) (test >> 8) == 0x02;
 }
 
-static void cyrix_identify(struct cpuinfo_x86 * c)
+static void __cpuinit cyrix_identify(struct cpuinfo_x86 * c)
 {
 	/* Detect Cyrix with disabled CPUID */
 	if ( c->x86 == 4 && test_cyrix_52div() ) {
@@ -427,10 +427,9 @@ static void cyrix_identify(struct cpuinfo_x86 * c)
 			local_irq_restore(flags);
 		}
 	}
-	generic_identify(c);
 }
 
-static struct cpu_dev cyrix_cpu_dev __initdata = {
+static struct cpu_dev cyrix_cpu_dev __cpuinitdata = {
 	.c_vendor	= "Cyrix",
 	.c_ident 	= { "CyrixInstead" },
 	.c_init		= init_cyrix,
@@ -453,11 +452,10 @@ static int __init cyrix_exit_cpu(void)
 
 late_initcall(cyrix_exit_cpu);
 
-static struct cpu_dev nsc_cpu_dev __initdata = {
+static struct cpu_dev nsc_cpu_dev __cpuinitdata = {
 	.c_vendor	= "NSC",
 	.c_ident 	= { "Geode by NSC" },
 	.c_init		= init_nsc,
-	.c_identify	= generic_identify,
 };
 
 int __init nsc_init_cpu(void)
diff --git a/arch/i386/kernel/cpu/intel.c b/arch/i386/kernel/cpu/intel.c
index 5a2e270924b1..94a95aa5227e 100644
--- a/arch/i386/kernel/cpu/intel.c
+++ b/arch/i386/kernel/cpu/intel.c
@@ -198,7 +198,7 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
 }
 
 
-static unsigned int intel_size_cache(struct cpuinfo_x86 * c, unsigned int size)
+static unsigned int __cpuinit intel_size_cache(struct cpuinfo_x86 * c, unsigned int size)
 {
 	/* Intel PIII Tualatin. This comes in two flavours.
 	 * One has 256kb of cache, the other 512. We have no way
@@ -263,7 +263,6 @@ static struct cpu_dev intel_cpu_dev __cpuinitdata = {
 		},
 	},
 	.c_init		= init_intel,
-	.c_identify	= generic_identify,
 	.c_size_cache	= intel_size_cache,
 };
 
diff --git a/arch/i386/kernel/cpu/mcheck/Makefile b/arch/i386/kernel/cpu/mcheck/Makefile
index 30808f3d6715..f1ebe1c1c17a 100644
--- a/arch/i386/kernel/cpu/mcheck/Makefile
+++ b/arch/i386/kernel/cpu/mcheck/Makefile
@@ -1,2 +1,2 @@
-obj-y	=	mce.o k7.o p4.o p5.o p6.o winchip.o
+obj-y	=	mce.o k7.o p4.o p5.o p6.o winchip.o therm_throt.o
 obj-$(CONFIG_X86_MCE_NONFATAL)	+=	non-fatal.o
diff --git a/arch/i386/kernel/cpu/mcheck/p4.c b/arch/i386/kernel/cpu/mcheck/p4.c
index b95f1b3d53aa..504434a46011 100644
--- a/arch/i386/kernel/cpu/mcheck/p4.c
+++ b/arch/i386/kernel/cpu/mcheck/p4.c
@@ -13,6 +13,8 @@
 #include <asm/msr.h>
 #include <asm/apic.h>
 
+#include <asm/therm_throt.h>
+
 #include "mce.h"
 
 /* as supported by the P4/Xeon family */
@@ -44,25 +46,12 @@ static void unexpected_thermal_interrupt(struct pt_regs *regs)
 /* P4/Xeon Thermal transition interrupt handler */
 static void intel_thermal_interrupt(struct pt_regs *regs)
 {
-	u32 l, h;
-	unsigned int cpu = smp_processor_id();
-	static unsigned long next[NR_CPUS];
+	__u64 msr_val;
 
 	ack_APIC_irq();
 
-	if (time_after(next[cpu], jiffies))
-		return;
-
-	next[cpu] = jiffies + HZ*5;
-	rdmsr(MSR_IA32_THERM_STATUS, l, h);
-	if (l & 0x1) {
-		printk(KERN_EMERG "CPU%d: Temperature above threshold\n", cpu);
-		printk(KERN_EMERG "CPU%d: Running in modulated clock mode\n",
-				cpu);
-		add_taint(TAINT_MACHINE_CHECK);
-	} else {
-		printk(KERN_INFO "CPU%d: Temperature/speed normal\n", cpu);
-	}
+	rdmsrl(MSR_IA32_THERM_STATUS, msr_val);
+	therm_throt_process(msr_val & 0x1);
 }
 
 /* Thermal interrupt handler for this CPU setup */
@@ -122,10 +111,13 @@ static void intel_init_thermal(struct cpuinfo_x86 *c)
 	
 	rdmsr (MSR_IA32_MISC_ENABLE, l, h);
 	wrmsr (MSR_IA32_MISC_ENABLE, l | (1<<3), h);
-	
+
 	l = apic_read (APIC_LVTTHMR);
 	apic_write_around (APIC_LVTTHMR, l & ~APIC_LVT_MASKED);
 	printk (KERN_INFO "CPU%d: Thermal monitoring enabled\n", cpu);
+
+	/* enable thermal throttle processing */
+	atomic_set(&therm_throt_en, 1);
 	return;
 }
 #endif /* CONFIG_X86_MCE_P4THERMAL */
diff --git a/arch/i386/kernel/cpu/mcheck/therm_throt.c b/arch/i386/kernel/cpu/mcheck/therm_throt.c
new file mode 100644
index 000000000000..4f43047de406
--- /dev/null
+++ b/arch/i386/kernel/cpu/mcheck/therm_throt.c
@@ -0,0 +1,180 @@
+/*
+ * linux/arch/i386/kerne/cpu/mcheck/therm_throt.c
+ *
+ * Thermal throttle event support code (such as syslog messaging and rate
+ * limiting) that was factored out from x86_64 (mce_intel.c) and i386 (p4.c).
+ * This allows consistent reporting of CPU thermal throttle events.
+ *
+ * Maintains a counter in /sys that keeps track of the number of thermal
+ * events, such that the user knows how bad the thermal problem might be
+ * (since the logging to syslog and mcelog is rate limited).
+ *
+ * Author: Dmitriy Zavin (dmitriyz@google.com)
+ *
+ * Credits: Adapted from Zwane Mwaikambo's original code in mce_intel.c.
+ *          Inspired by Ross Biro's and Al Borchers' counter code.
+ */
+
+#include <linux/percpu.h>
+#include <linux/sysdev.h>
+#include <linux/cpu.h>
+#include <asm/cpu.h>
+#include <linux/notifier.h>
+#include <asm/therm_throt.h>
+
+/* How long to wait between reporting thermal events */
+#define CHECK_INTERVAL              (300 * HZ)
+
+static DEFINE_PER_CPU(__u64, next_check) = INITIAL_JIFFIES;
+static DEFINE_PER_CPU(unsigned long, thermal_throttle_count);
+atomic_t therm_throt_en = ATOMIC_INIT(0);
+
+#ifdef CONFIG_SYSFS
+#define define_therm_throt_sysdev_one_ro(_name)                              \
+        static SYSDEV_ATTR(_name, 0444, therm_throt_sysdev_show_##_name, NULL)
+
+#define define_therm_throt_sysdev_show_func(name)                            \
+static ssize_t therm_throt_sysdev_show_##name(struct sys_device *dev,        \
+                                              char *buf)                     \
+{                                                                            \
+	unsigned int cpu = dev->id;                                          \
+	ssize_t ret;                                                         \
+                                                                             \
+	preempt_disable();              /* CPU hotplug */                    \
+	if (cpu_online(cpu))                                                 \
+		ret = sprintf(buf, "%lu\n",                                  \
+			      per_cpu(thermal_throttle_##name, cpu));        \
+	else                                                                 \
+		ret = 0;                                                     \
+	preempt_enable();                                                    \
+                                                                             \
+	return ret;                                                          \
+}
+
+define_therm_throt_sysdev_show_func(count);
+define_therm_throt_sysdev_one_ro(count);
+
+static struct attribute *thermal_throttle_attrs[] = {
+	&attr_count.attr,
+	NULL
+};
+
+static struct attribute_group thermal_throttle_attr_group = {
+	.attrs = thermal_throttle_attrs,
+	.name = "thermal_throttle"
+};
+#endif /* CONFIG_SYSFS */
+
+/***
+ * therm_throt_process - Process thermal throttling event from interrupt
+ * @curr: Whether the condition is current or not (boolean), since the
+ *        thermal interrupt normally gets called both when the thermal
+ *        event begins and once the event has ended.
+ *
+ * This function is called by the thermal interrupt after the
+ * IRQ has been acknowledged.
+ *
+ * It will take care of rate limiting and printing messages to the syslog.
+ *
+ * Returns: 0 : Event should NOT be further logged, i.e. still in
+ *              "timeout" from previous log message.
+ *          1 : Event should be logged further, and a message has been
+ *              printed to the syslog.
+ */
+int therm_throt_process(int curr)
+{
+	unsigned int cpu = smp_processor_id();
+	__u64 tmp_jiffs = get_jiffies_64();
+
+	if (curr)
+		__get_cpu_var(thermal_throttle_count)++;
+
+	if (time_before64(tmp_jiffs, __get_cpu_var(next_check)))
+		return 0;
+
+	__get_cpu_var(next_check) = tmp_jiffs + CHECK_INTERVAL;
+
+	/* if we just entered the thermal event */
+	if (curr) {
+		printk(KERN_CRIT "CPU%d: Temperature above threshold, "
+		       "cpu clock throttled (total events = %lu)\n", cpu,
+		       __get_cpu_var(thermal_throttle_count));
+
+		add_taint(TAINT_MACHINE_CHECK);
+	} else {
+		printk(KERN_CRIT "CPU%d: Temperature/speed normal\n", cpu);
+	}
+
+	return 1;
+}
+
+#ifdef CONFIG_SYSFS
+/* Add/Remove thermal_throttle interface for CPU device */
+static __cpuinit int thermal_throttle_add_dev(struct sys_device * sys_dev)
+{
+	sysfs_create_group(&sys_dev->kobj, &thermal_throttle_attr_group);
+	return 0;
+}
+
+#ifdef CONFIG_HOTPLUG_CPU
+static __cpuinit int thermal_throttle_remove_dev(struct sys_device * sys_dev)
+{
+	sysfs_remove_group(&sys_dev->kobj, &thermal_throttle_attr_group);
+	return 0;
+}
+
+/* Mutex protecting device creation against CPU hotplug */
+static DEFINE_MUTEX(therm_cpu_lock);
+
+/* Get notified when a cpu comes on/off. Be hotplug friendly. */
+static __cpuinit int thermal_throttle_cpu_callback(struct notifier_block *nfb,
+						   unsigned long action,
+						   void *hcpu)
+{
+	unsigned int cpu = (unsigned long)hcpu;
+	struct sys_device *sys_dev;
+
+	sys_dev = get_cpu_sysdev(cpu);
+	mutex_lock(&therm_cpu_lock);
+	switch (action) {
+	case CPU_ONLINE:
+		thermal_throttle_add_dev(sys_dev);
+		break;
+	case CPU_DEAD:
+		thermal_throttle_remove_dev(sys_dev);
+		break;
+	}
+	mutex_unlock(&therm_cpu_lock);
+	return NOTIFY_OK;
+}
+
+static struct notifier_block thermal_throttle_cpu_notifier =
+{
+	.notifier_call = thermal_throttle_cpu_callback,
+};
+#endif /* CONFIG_HOTPLUG_CPU */
+
+static __init int thermal_throttle_init_device(void)
+{
+	unsigned int cpu = 0;
+
+	if (!atomic_read(&therm_throt_en))
+		return 0;
+
+	register_hotcpu_notifier(&thermal_throttle_cpu_notifier);
+
+#ifdef CONFIG_HOTPLUG_CPU
+	mutex_lock(&therm_cpu_lock);
+#endif
+	/* connect live CPUs to sysfs */
+	for_each_online_cpu(cpu)
+		thermal_throttle_add_dev(get_cpu_sysdev(cpu));
+#ifdef CONFIG_HOTPLUG_CPU
+	mutex_unlock(&therm_cpu_lock);
+#endif
+
+	return 0;
+}
+
+device_initcall(thermal_throttle_init_device);
+#endif /* CONFIG_SYSFS */
diff --git a/arch/i386/kernel/cpu/mtrr/generic.c b/arch/i386/kernel/cpu/mtrr/generic.c
index 169ac8e0db68..0b61eed8bbd8 100644
--- a/arch/i386/kernel/cpu/mtrr/generic.c
+++ b/arch/i386/kernel/cpu/mtrr/generic.c
@@ -243,7 +243,7 @@ static DEFINE_SPINLOCK(set_atomicity_lock);
  * has been called.
  */
 
-static void prepare_set(void)
+static void prepare_set(void) __acquires(set_atomicity_lock)
 {
 	unsigned long cr0;
 
@@ -274,7 +274,7 @@ static void prepare_set(void)
 	mtrr_wrmsr(MTRRdefType_MSR, deftype_lo & 0xf300UL, deftype_hi);
 }
 
-static void post_set(void)
+static void post_set(void) __releases(set_atomicity_lock)
 {
 	/*  Flush TLBs (no need to flush caches - they are disabled)  */
 	__flush_tlb();
diff --git a/arch/i386/kernel/cpu/nexgen.c b/arch/i386/kernel/cpu/nexgen.c
index ad87fa58058d..8bf23cc80c63 100644
--- a/arch/i386/kernel/cpu/nexgen.c
+++ b/arch/i386/kernel/cpu/nexgen.c
@@ -10,7 +10,7 @@
  *	to have CPUID. (Thanks to Herbert Oppmann)
  */
  
-static int __init deep_magic_nexgen_probe(void)
+static int __cpuinit deep_magic_nexgen_probe(void)
 {
 	int ret;
 	
@@ -27,21 +27,20 @@ static int __init deep_magic_nexgen_probe(void)
 	return  ret;
 }
 
-static void __init init_nexgen(struct cpuinfo_x86 * c)
+static void __cpuinit init_nexgen(struct cpuinfo_x86 * c)
 {
 	c->x86_cache_size = 256; /* A few had 1 MB... */
 }
 
-static void __init nexgen_identify(struct cpuinfo_x86 * c)
+static void __cpuinit nexgen_identify(struct cpuinfo_x86 * c)
 {
 	/* Detect NexGen with old hypercode */
 	if ( deep_magic_nexgen_probe() ) {
 		strcpy(c->x86_vendor_id, "NexGenDriven");
 	}
-	generic_identify(c);
 }
 
-static struct cpu_dev nexgen_cpu_dev __initdata = {
+static struct cpu_dev nexgen_cpu_dev __cpuinitdata = {
 	.c_vendor	= "Nexgen",
 	.c_ident	= { "NexGenDriven" },
 	.c_models = {
diff --git a/arch/i386/kernel/cpu/proc.c b/arch/i386/kernel/cpu/proc.c
index f54a15268ed7..76aac088a323 100644
--- a/arch/i386/kernel/cpu/proc.c
+++ b/arch/i386/kernel/cpu/proc.c
@@ -46,8 +46,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 
 		/* Intel-defined (#2) */
 		"pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est",
-		"tm2", NULL, "cid", NULL, NULL, "cx16", "xtpr", NULL,
-		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+		"tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL,
+		NULL, NULL, "dca", NULL, NULL, NULL, NULL, NULL,
 		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 
 		/* VIA/Cyrix/Centaur-defined */
diff --git a/arch/i386/kernel/cpu/rise.c b/arch/i386/kernel/cpu/rise.c
index d08d5a2811c8..9317f7414989 100644
--- a/arch/i386/kernel/cpu/rise.c
+++ b/arch/i386/kernel/cpu/rise.c
@@ -5,7 +5,7 @@
 
 #include "cpu.h"
 
-static void __init init_rise(struct cpuinfo_x86 *c)
+static void __cpuinit init_rise(struct cpuinfo_x86 *c)
 {
 	printk("CPU: Rise iDragon");
 	if (c->x86_model > 2)
@@ -28,7 +28,7 @@ static void __init init_rise(struct cpuinfo_x86 *c)
 	set_bit(X86_FEATURE_CX8, c->x86_capability);
 }
 
-static struct cpu_dev rise_cpu_dev __initdata = {
+static struct cpu_dev rise_cpu_dev __cpuinitdata = {
 	.c_vendor	= "Rise",
 	.c_ident	= { "RiseRiseRise" },
 	.c_models = {
diff --git a/arch/i386/kernel/cpu/transmeta.c b/arch/i386/kernel/cpu/transmeta.c
index 7214c9b577ab..4056fb7d2cdf 100644
--- a/arch/i386/kernel/cpu/transmeta.c
+++ b/arch/i386/kernel/cpu/transmeta.c
@@ -5,7 +5,7 @@
 #include <asm/msr.h>
 #include "cpu.h"
 
-static void __init init_transmeta(struct cpuinfo_x86 *c)
+static void __cpuinit init_transmeta(struct cpuinfo_x86 *c)
 {
 	unsigned int cap_mask, uk, max, dummy;
 	unsigned int cms_rev1, cms_rev2;
@@ -85,10 +85,9 @@ static void __init init_transmeta(struct cpuinfo_x86 *c)
 #endif
 }
 
-static void __init transmeta_identify(struct cpuinfo_x86 * c)
+static void __cpuinit transmeta_identify(struct cpuinfo_x86 * c)
 {
 	u32 xlvl;
-	generic_identify(c);
 
 	/* Transmeta-defined flags: level 0x80860001 */
 	xlvl = cpuid_eax(0x80860000);
@@ -98,7 +97,7 @@ static void __init transmeta_identify(struct cpuinfo_x86 * c)
 	}
 }
 
-static struct cpu_dev transmeta_cpu_dev __initdata = {
+static struct cpu_dev transmeta_cpu_dev __cpuinitdata = {
 	.c_vendor	= "Transmeta",
 	.c_ident	= { "GenuineTMx86", "TransmetaCPU" },
 	.c_init		= init_transmeta,
diff --git a/arch/i386/kernel/cpu/umc.c b/arch/i386/kernel/cpu/umc.c
index 2cd988f6dc55..1bf3f87e9c5b 100644
--- a/arch/i386/kernel/cpu/umc.c
+++ b/arch/i386/kernel/cpu/umc.c
@@ -5,12 +5,8 @@
 
 /* UMC chips appear to be only either 386 or 486, so no special init takes place.
  */
-static void __init init_umc(struct cpuinfo_x86 * c)
-{
-
-}
 
-static struct cpu_dev umc_cpu_dev __initdata = {
+static struct cpu_dev umc_cpu_dev __cpuinitdata = {
 	.c_vendor	= "UMC",
 	.c_ident 	= { "UMC UMC UMC" },
 	.c_models = {
@@ -21,7 +17,6 @@ static struct cpu_dev umc_cpu_dev __initdata = {
 		  }
 		},
 	},
-	.c_init		= init_umc,
 };
 
 int __init umc_init_cpu(void)
diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c
index 5b96f038367f..67d297dc1003 100644
--- a/arch/i386/kernel/crash.c
+++ b/arch/i386/kernel/crash.c
@@ -22,6 +22,8 @@
 #include <asm/nmi.h>
 #include <asm/hw_irq.h>
 #include <asm/apic.h>
+#include <asm/kdebug.h>
+
 #include <mach_ipi.h>
 
 
@@ -93,16 +95,25 @@ static void crash_save_self(struct pt_regs *regs)
 #if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC)
 static atomic_t waiting_for_crash_ipi;
 
-static int crash_nmi_callback(struct pt_regs *regs, int cpu)
+static int crash_nmi_callback(struct notifier_block *self,
+			unsigned long val, void *data)
 {
+	struct pt_regs *regs;
 	struct pt_regs fixed_regs;
+	int cpu;
+
+	if (val != DIE_NMI_IPI)
+		return NOTIFY_OK;
+
+	regs = ((struct die_args *)data)->regs;
+	cpu = raw_smp_processor_id();
 
 	/* Don't do anything if this handler is invoked on crashing cpu.
 	 * Otherwise, system will completely hang. Crashing cpu can get
 	 * an NMI if system was initially booted with nmi_watchdog parameter.
 	 */
 	if (cpu == crashing_cpu)
-		return 1;
+		return NOTIFY_STOP;
 	local_irq_disable();
 
 	if (!user_mode_vm(regs)) {
@@ -125,13 +136,18 @@ static void smp_send_nmi_allbutself(void)
 	send_IPI_allbutself(NMI_VECTOR);
 }
 
+static struct notifier_block crash_nmi_nb = {
+	.notifier_call = crash_nmi_callback,
+};
+
 static void nmi_shootdown_cpus(void)
 {
 	unsigned long msecs;
 
 	atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1);
 	/* Would it be better to replace the trap vector here? */
-	set_nmi_callback(crash_nmi_callback);
+	if (register_die_notifier(&crash_nmi_nb))
+		return;		/* return what? */
 	/* Ensure the new callback function is set before sending
 	 * out the NMI
 	 */
diff --git a/arch/i386/kernel/efi_stub.S b/arch/i386/kernel/efi_stub.S
index d3ee73a3eee3..ef00bb77d7e4 100644
--- a/arch/i386/kernel/efi_stub.S
+++ b/arch/i386/kernel/efi_stub.S
@@ -7,7 +7,6 @@
 
 #include <linux/linkage.h>
 #include <asm/page.h>
-#include <asm/pgtable.h>
 
 /*
  * efi_call_phys(void *, ...) is a function with variable parameters.
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index 87f9f60b803b..5a63d6fdb70e 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -76,8 +76,15 @@ DF_MASK		= 0x00000400
 NT_MASK		= 0x00004000
 VM_MASK		= 0x00020000
 
+/* These are replaces for paravirtualization */
+#define DISABLE_INTERRUPTS		cli
+#define ENABLE_INTERRUPTS		sti
+#define ENABLE_INTERRUPTS_SYSEXIT	sti; sysexit
+#define INTERRUPT_RETURN		iret
+#define GET_CR0_INTO_EAX		movl %cr0, %eax
+
 #ifdef CONFIG_PREEMPT
-#define preempt_stop		cli; TRACE_IRQS_OFF
+#define preempt_stop		DISABLE_INTERRUPTS; TRACE_IRQS_OFF
 #else
 #define preempt_stop
 #define resume_kernel		restore_nocheck
@@ -176,18 +183,21 @@ VM_MASK		= 0x00020000
 
 #define RING0_INT_FRAME \
 	CFI_STARTPROC simple;\
+	CFI_SIGNAL_FRAME;\
 	CFI_DEF_CFA esp, 3*4;\
 	/*CFI_OFFSET cs, -2*4;*/\
 	CFI_OFFSET eip, -3*4
 
 #define RING0_EC_FRAME \
 	CFI_STARTPROC simple;\
+	CFI_SIGNAL_FRAME;\
 	CFI_DEF_CFA esp, 4*4;\
 	/*CFI_OFFSET cs, -2*4;*/\
 	CFI_OFFSET eip, -3*4
 
 #define RING0_PTREGS_FRAME \
 	CFI_STARTPROC simple;\
+	CFI_SIGNAL_FRAME;\
 	CFI_DEF_CFA esp, OLDESP-EBX;\
 	/*CFI_OFFSET cs, CS-OLDESP;*/\
 	CFI_OFFSET eip, EIP-OLDESP;\
@@ -233,10 +243,11 @@ ret_from_intr:
 check_userspace:
 	movl EFLAGS(%esp), %eax		# mix EFLAGS and CS
 	movb CS(%esp), %al
-	testl $(VM_MASK | 3), %eax
-	jz resume_kernel
+	andl $(VM_MASK | SEGMENT_RPL_MASK), %eax
+	cmpl $USER_RPL, %eax
+	jb resume_kernel		# not returning to v8086 or userspace
 ENTRY(resume_userspace)
- 	cli				# make sure we don't miss an interrupt
+ 	DISABLE_INTERRUPTS		# make sure we don't miss an interrupt
 					# setting need_resched or sigpending
 					# between sampling and the iret
 	movl TI_flags(%ebp), %ecx
@@ -247,7 +258,7 @@ ENTRY(resume_userspace)
 
 #ifdef CONFIG_PREEMPT
 ENTRY(resume_kernel)
-	cli
+	DISABLE_INTERRUPTS
 	cmpl $0,TI_preempt_count(%ebp)	# non-zero preempt_count ?
 	jnz restore_nocheck
 need_resched:
@@ -267,6 +278,7 @@ need_resched:
 	# sysenter call handler stub
 ENTRY(sysenter_entry)
 	CFI_STARTPROC simple
+	CFI_SIGNAL_FRAME
 	CFI_DEF_CFA esp, 0
 	CFI_REGISTER esp, ebp
 	movl TSS_sysenter_esp0(%esp),%esp
@@ -275,7 +287,7 @@ sysenter_past_esp:
 	 * No need to follow this irqs on/off section: the syscall
 	 * disabled irqs and here we enable it straight after entry:
 	 */
-	sti
+	ENABLE_INTERRUPTS
 	pushl $(__USER_DS)
 	CFI_ADJUST_CFA_OFFSET 4
 	/*CFI_REL_OFFSET ss, 0*/
@@ -320,7 +332,7 @@ sysenter_past_esp:
 	jae syscall_badsys
 	call *sys_call_table(,%eax,4)
 	movl %eax,EAX(%esp)
-	cli
+	DISABLE_INTERRUPTS
 	TRACE_IRQS_OFF
 	movl TI_flags(%ebp), %ecx
 	testw $_TIF_ALLWORK_MASK, %cx
@@ -330,8 +342,7 @@ sysenter_past_esp:
 	movl OLDESP(%esp), %ecx
 	xorl %ebp,%ebp
 	TRACE_IRQS_ON
-	sti
-	sysexit
+	ENABLE_INTERRUPTS_SYSEXIT
 	CFI_ENDPROC
 
 
@@ -356,7 +367,7 @@ syscall_call:
 	call *sys_call_table(,%eax,4)
 	movl %eax,EAX(%esp)		# store the return value
 syscall_exit:
-	cli				# make sure we don't miss an interrupt
+	DISABLE_INTERRUPTS		# make sure we don't miss an interrupt
 					# setting need_resched or sigpending
 					# between sampling and the iret
 	TRACE_IRQS_OFF
@@ -371,8 +382,8 @@ restore_all:
 	# See comments in process.c:copy_thread() for details.
 	movb OLDSS(%esp), %ah
 	movb CS(%esp), %al
-	andl $(VM_MASK | (4 << 8) | 3), %eax
-	cmpl $((4 << 8) | 3), %eax
+	andl $(VM_MASK | (SEGMENT_TI_MASK << 8) | SEGMENT_RPL_MASK), %eax
+	cmpl $((SEGMENT_LDT << 8) | USER_RPL), %eax
 	CFI_REMEMBER_STATE
 	je ldt_ss			# returning to user-space with LDT SS
 restore_nocheck:
@@ -381,11 +392,11 @@ restore_nocheck_notrace:
 	RESTORE_REGS
 	addl $4, %esp
 	CFI_ADJUST_CFA_OFFSET -4
-1:	iret
+1:	INTERRUPT_RETURN
 .section .fixup,"ax"
 iret_exc:
 	TRACE_IRQS_ON
-	sti
+	ENABLE_INTERRUPTS
 	pushl $0			# no error code
 	pushl $do_iret_error
 	jmp error_code
@@ -409,7 +420,7 @@ ldt_ss:
 	 * dosemu and wine happy. */
 	subl $8, %esp		# reserve space for switch16 pointer
 	CFI_ADJUST_CFA_OFFSET 8
-	cli
+	DISABLE_INTERRUPTS
 	TRACE_IRQS_OFF
 	movl %esp, %eax
 	/* Set up the 16bit stack frame with switch32 pointer on top,
@@ -419,7 +430,7 @@ ldt_ss:
 	TRACE_IRQS_IRET
 	RESTORE_REGS
 	lss 20+4(%esp), %esp	# switch to 16bit stack
-1:	iret
+1:	INTERRUPT_RETURN
 .section __ex_table,"a"
 	.align 4
 	.long 1b,iret_exc
@@ -434,7 +445,7 @@ work_pending:
 	jz work_notifysig
 work_resched:
 	call schedule
-	cli				# make sure we don't miss an interrupt
+	DISABLE_INTERRUPTS		# make sure we don't miss an interrupt
 					# setting need_resched or sigpending
 					# between sampling and the iret
 	TRACE_IRQS_OFF
@@ -490,7 +501,7 @@ syscall_exit_work:
 	testb $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SINGLESTEP), %cl
 	jz work_pending
 	TRACE_IRQS_ON
-	sti				# could let do_syscall_trace() call
+	ENABLE_INTERRUPTS		# could let do_syscall_trace() call
 					# schedule() instead
 	movl %esp, %eax
 	movl $1, %edx
@@ -591,11 +602,9 @@ ENTRY(name)				\
 /* The include is where all of the SMP etc. interrupts come from */
 #include "entry_arch.h"
 
-ENTRY(divide_error)
-	RING0_INT_FRAME
-	pushl $0			# no error code
-	CFI_ADJUST_CFA_OFFSET 4
-	pushl $do_divide_error
+KPROBE_ENTRY(page_fault)
+	RING0_EC_FRAME
+	pushl $do_page_fault
 	CFI_ADJUST_CFA_OFFSET 4
 	ALIGN
 error_code:
@@ -645,6 +654,7 @@ error_code:
 	call *%edi
 	jmp ret_from_exception
 	CFI_ENDPROC
+KPROBE_END(page_fault)
 
 ENTRY(coprocessor_error)
 	RING0_INT_FRAME
@@ -669,7 +679,7 @@ ENTRY(device_not_available)
 	pushl $-1			# mark this as an int
 	CFI_ADJUST_CFA_OFFSET 4
 	SAVE_ALL
-	movl %cr0, %eax
+	GET_CR0_INTO_EAX
 	testl $0x4, %eax		# EM (math emulation bit)
 	jne device_not_available_emulate
 	preempt_stop
@@ -702,9 +712,15 @@ device_not_available_emulate:
 	jne ok;					\
 label:						\
 	movl TSS_sysenter_esp0+offset(%esp),%esp;	\
+	CFI_DEF_CFA esp, 0;			\
+	CFI_UNDEFINED eip;			\
 	pushfl;					\
+	CFI_ADJUST_CFA_OFFSET 4;		\
 	pushl $__KERNEL_CS;			\
-	pushl $sysenter_past_esp
+	CFI_ADJUST_CFA_OFFSET 4;		\
+	pushl $sysenter_past_esp;		\
+	CFI_ADJUST_CFA_OFFSET 4;		\
+	CFI_REL_OFFSET eip, 0
 
 KPROBE_ENTRY(debug)
 	RING0_INT_FRAME
@@ -720,7 +736,8 @@ debug_stack_correct:
 	call do_debug
 	jmp ret_from_exception
 	CFI_ENDPROC
-	.previous .text
+KPROBE_END(debug)
+
 /*
  * NMI is doubly nasty. It can happen _while_ we're handling
  * a debug fault, and the debug fault hasn't yet been able to
@@ -729,7 +746,7 @@ debug_stack_correct:
  * check whether we got an NMI on the debug path where the debug
  * fault happened on the sysenter path.
  */
-ENTRY(nmi)
+KPROBE_ENTRY(nmi)
 	RING0_INT_FRAME
 	pushl %eax
 	CFI_ADJUST_CFA_OFFSET 4
@@ -754,6 +771,7 @@ ENTRY(nmi)
 	cmpl $sysenter_entry,12(%esp)
 	je nmi_debug_stack_check
 nmi_stack_correct:
+	/* We have a RING0_INT_FRAME here */
 	pushl %eax
 	CFI_ADJUST_CFA_OFFSET 4
 	SAVE_ALL
@@ -764,9 +782,12 @@ nmi_stack_correct:
 	CFI_ENDPROC
 
 nmi_stack_fixup:
+	RING0_INT_FRAME
 	FIX_STACK(12,nmi_stack_correct, 1)
 	jmp nmi_stack_correct
+
 nmi_debug_stack_check:
+	/* We have a RING0_INT_FRAME here */
 	cmpw $__KERNEL_CS,16(%esp)
 	jne nmi_stack_correct
 	cmpl $debug,(%esp)
@@ -777,8 +798,10 @@ nmi_debug_stack_check:
 	jmp nmi_stack_correct
 
 nmi_16bit_stack:
-	RING0_INT_FRAME
-	/* create the pointer to lss back */
+	/* We have a RING0_INT_FRAME here.
+	 *
+	 * create the pointer to lss back
+	 */
 	pushl %ss
 	CFI_ADJUST_CFA_OFFSET 4
 	pushl %esp
@@ -799,12 +822,13 @@ nmi_16bit_stack:
 	call do_nmi
 	RESTORE_REGS
 	lss 12+4(%esp), %esp		# back to 16bit stack
-1:	iret
+1:	INTERRUPT_RETURN
 	CFI_ENDPROC
 .section __ex_table,"a"
 	.align 4
 	.long 1b,iret_exc
 .previous
+KPROBE_END(nmi)
 
 KPROBE_ENTRY(int3)
 	RING0_INT_FRAME
@@ -816,7 +840,7 @@ KPROBE_ENTRY(int3)
 	call do_int3
 	jmp ret_from_exception
 	CFI_ENDPROC
-	.previous .text
+KPROBE_END(int3)
 
 ENTRY(overflow)
 	RING0_INT_FRAME
@@ -881,7 +905,7 @@ KPROBE_ENTRY(general_protection)
 	CFI_ADJUST_CFA_OFFSET 4
 	jmp error_code
 	CFI_ENDPROC
-	.previous .text
+KPROBE_END(general_protection)
 
 ENTRY(alignment_check)
 	RING0_EC_FRAME
@@ -890,13 +914,14 @@ ENTRY(alignment_check)
 	jmp error_code
 	CFI_ENDPROC
 
-KPROBE_ENTRY(page_fault)
-	RING0_EC_FRAME
-	pushl $do_page_fault
+ENTRY(divide_error)
+	RING0_INT_FRAME
+	pushl $0			# no error code
+	CFI_ADJUST_CFA_OFFSET 4
+	pushl $do_divide_error
 	CFI_ADJUST_CFA_OFFSET 4
 	jmp error_code
 	CFI_ENDPROC
-	.previous .text
 
 #ifdef CONFIG_X86_MCE
 ENTRY(machine_check)
@@ -949,6 +974,19 @@ ENTRY(arch_unwind_init_running)
 ENDPROC(arch_unwind_init_running)
 #endif
 
+ENTRY(kernel_thread_helper)
+	pushl $0		# fake return address for unwinder
+	CFI_STARTPROC
+	movl %edx,%eax
+	push %edx
+	CFI_ADJUST_CFA_OFFSET 4
+	call *%ebx
+	push %eax
+	CFI_ADJUST_CFA_OFFSET 4
+	call do_exit
+	CFI_ENDPROC
+ENDPROC(kernel_thread_helper)
+
 .section .rodata,"a"
 #include "syscall_table.S"
 
diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S
index a6b8bd89aa27..be9d883c62ce 100644
--- a/arch/i386/kernel/head.S
+++ b/arch/i386/kernel/head.S
@@ -371,8 +371,65 @@ rp_sidt:
 	addl $8,%edi
 	dec %ecx
 	jne rp_sidt
+
+.macro	set_early_handler handler,trapno
+	lea \handler,%edx
+	movl $(__KERNEL_CS << 16),%eax
+	movw %dx,%ax
+	movw $0x8E00,%dx	/* interrupt gate - dpl=0, present */
+	lea idt_table,%edi
+	movl %eax,8*\trapno(%edi)
+	movl %edx,8*\trapno+4(%edi)
+.endm
+
+	set_early_handler handler=early_divide_err,trapno=0
+	set_early_handler handler=early_illegal_opcode,trapno=6
+	set_early_handler handler=early_protection_fault,trapno=13
+	set_early_handler handler=early_page_fault,trapno=14
+
 	ret
 
+early_divide_err:
+	xor %edx,%edx
+	pushl $0	/* fake errcode */
+	jmp early_fault
+
+early_illegal_opcode:
+	movl $6,%edx
+	pushl $0	/* fake errcode */
+	jmp early_fault
+
+early_protection_fault:
+	movl $13,%edx
+	jmp early_fault
+
+early_page_fault:
+	movl $14,%edx
+	jmp early_fault
+
+early_fault:
+	cld
+#ifdef CONFIG_PRINTK
+	movl $(__KERNEL_DS),%eax
+	movl %eax,%ds
+	movl %eax,%es
+	cmpl $2,early_recursion_flag
+	je hlt_loop
+	incl early_recursion_flag
+	movl %cr2,%eax
+	pushl %eax
+	pushl %edx		/* trapno */
+	pushl $fault_msg
+#ifdef CONFIG_EARLY_PRINTK
+	call early_printk
+#else
+	call printk
+#endif
+#endif
+hlt_loop:
+	hlt
+	jmp hlt_loop
+
 /* This is the default interrupt "handler" :-) */
 	ALIGN
 ignore_int:
@@ -386,6 +443,9 @@ ignore_int:
 	movl $(__KERNEL_DS),%eax
 	movl %eax,%ds
 	movl %eax,%es
+	cmpl $2,early_recursion_flag
+	je hlt_loop
+	incl early_recursion_flag
 	pushl 16(%esp)
 	pushl 24(%esp)
 	pushl 32(%esp)
@@ -431,9 +491,16 @@ ENTRY(stack_start)
 
 ready:	.byte 0
 
+early_recursion_flag:
+	.long 0
+
 int_msg:
 	.asciz "Unknown interrupt or fault at EIP %p %p %p\n"
 
+fault_msg:
+	.ascii "Int %d: CR2 %p  err %p  EIP %p  CS %p  flags %p\n"
+	.asciz "Stack: %p %p %p %p %p %p %p %p\n"
+
 /*
  * The IDT and GDT 'descriptors' are a strange 48-bit object
  * only used by the lidt and lgdt instructions. They are not
diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c
index d4756d154f47..ea5f4e7958d8 100644
--- a/arch/i386/kernel/i8259.c
+++ b/arch/i386/kernel/i8259.c
@@ -45,6 +45,8 @@ static void end_8259A_irq (unsigned int irq)
 
 #define shutdown_8259A_irq	disable_8259A_irq
 
+static int i8259A_auto_eoi;
+
 static void mask_and_ack_8259A(unsigned int);
 
 unsigned int startup_8259A_irq(unsigned int irq)
@@ -253,7 +255,7 @@ static void save_ELCR(char *trigger)
 
 static int i8259A_resume(struct sys_device *dev)
 {
-	init_8259A(0);
+	init_8259A(i8259A_auto_eoi);
 	restore_ELCR(irq_trigger);
 	return 0;
 }
@@ -301,6 +303,8 @@ void init_8259A(int auto_eoi)
 {
 	unsigned long flags;
 
+	i8259A_auto_eoi = auto_eoi;
+
 	spin_lock_irqsave(&i8259A_lock, flags);
 
 	outb(0xff, PIC_MASTER_IMR);	/* mask all of 8259A-1 */
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index 4fb32c551fe0..fd0df75cfbda 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -40,6 +40,7 @@
 #include <asm/nmi.h>
 
 #include <mach_apic.h>
+#include <mach_apicdef.h>
 
 #include "io_ports.h"
 
@@ -65,7 +66,7 @@ int sis_apic_bug = -1;
  */
 int nr_ioapic_registers[MAX_IO_APICS];
 
-int disable_timer_pin_1 __initdata;
+static int disable_timer_pin_1 __initdata;
 
 /*
  * Rough estimation of how many shared IRQs there are, can
@@ -93,6 +94,34 @@ int vector_irq[NR_VECTORS] __read_mostly = { [0 ... NR_VECTORS - 1] = -1};
 #define vector_to_irq(vector)	(vector)
 #endif
 
+
+union entry_union {
+	struct { u32 w1, w2; };
+	struct IO_APIC_route_entry entry;
+};
+
+static struct IO_APIC_route_entry ioapic_read_entry(int apic, int pin)
+{
+	union entry_union eu;
+	unsigned long flags;
+	spin_lock_irqsave(&ioapic_lock, flags);
+	eu.w1 = io_apic_read(apic, 0x10 + 2 * pin);
+	eu.w2 = io_apic_read(apic, 0x11 + 2 * pin);
+	spin_unlock_irqrestore(&ioapic_lock, flags);
+	return eu.entry;
+}
+
+static void ioapic_write_entry(int apic, int pin, struct IO_APIC_route_entry e)
+{
+	unsigned long flags;
+	union entry_union eu;
+	eu.entry = e;
+	spin_lock_irqsave(&ioapic_lock, flags);
+	io_apic_write(apic, 0x10 + 2*pin, eu.w1);
+	io_apic_write(apic, 0x11 + 2*pin, eu.w2);
+	spin_unlock_irqrestore(&ioapic_lock, flags);
+}
+
 /*
  * The common case is 1:1 IRQ<->pin mappings. Sometimes there are
  * shared ISA-space IRQs, so we have to support them. We are super
@@ -200,13 +229,9 @@ static void unmask_IO_APIC_irq (unsigned int irq)
 static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin)
 {
 	struct IO_APIC_route_entry entry;
-	unsigned long flags;
 	
 	/* Check delivery_mode to be sure we're not clearing an SMI pin */
-	spin_lock_irqsave(&ioapic_lock, flags);
-	*(((int*)&entry) + 0) = io_apic_read(apic, 0x10 + 2 * pin);
-	*(((int*)&entry) + 1) = io_apic_read(apic, 0x11 + 2 * pin);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	entry = ioapic_read_entry(apic, pin);
 	if (entry.delivery_mode == dest_SMI)
 		return;
 
@@ -215,10 +240,7 @@ static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin)
 	 */
 	memset(&entry, 0, sizeof(entry));
 	entry.mask = 1;
-	spin_lock_irqsave(&ioapic_lock, flags);
-	io_apic_write(apic, 0x10 + 2 * pin, *(((int *)&entry) + 0));
-	io_apic_write(apic, 0x11 + 2 * pin, *(((int *)&entry) + 1));
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	ioapic_write_entry(apic, pin, entry);
 }
 
 static void clear_IO_APIC (void)
@@ -1283,9 +1305,8 @@ static void __init setup_IO_APIC_irqs(void)
 			if (!apic && (irq < 16))
 				disable_8259A_irq(irq);
 		}
+		ioapic_write_entry(apic, pin, entry);
 		spin_lock_irqsave(&ioapic_lock, flags);
-		io_apic_write(apic, 0x11+2*pin, *(((int *)&entry)+1));
-		io_apic_write(apic, 0x10+2*pin, *(((int *)&entry)+0));
 		set_native_irq_info(irq, TARGET_CPUS);
 		spin_unlock_irqrestore(&ioapic_lock, flags);
 	}
@@ -1301,7 +1322,6 @@ static void __init setup_IO_APIC_irqs(void)
 static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, int vector)
 {
 	struct IO_APIC_route_entry entry;
-	unsigned long flags;
 
 	memset(&entry,0,sizeof(entry));
 
@@ -1331,10 +1351,7 @@ static void __init setup_ExtINT_IRQ0_pin(unsigned int apic, unsigned int pin, in
 	/*
 	 * Add it to the IO-APIC irq-routing table:
 	 */
-	spin_lock_irqsave(&ioapic_lock, flags);
-	io_apic_write(apic, 0x11+2*pin, *(((int *)&entry)+1));
-	io_apic_write(apic, 0x10+2*pin, *(((int *)&entry)+0));
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	ioapic_write_entry(apic, pin, entry);
 
 	enable_8259A_irq(0);
 }
@@ -1444,10 +1461,7 @@ void __init print_IO_APIC(void)
 	for (i = 0; i <= reg_01.bits.entries; i++) {
 		struct IO_APIC_route_entry entry;
 
-		spin_lock_irqsave(&ioapic_lock, flags);
-		*(((int *)&entry)+0) = io_apic_read(apic, 0x10+i*2);
-		*(((int *)&entry)+1) = io_apic_read(apic, 0x11+i*2);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
+		entry = ioapic_read_entry(apic, i);
 
 		printk(KERN_DEBUG " %02x %03X %02X  ",
 			i,
@@ -1666,10 +1680,7 @@ static void __init enable_IO_APIC(void)
 		/* See if any of the pins is in ExtINT mode */
 		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
 			struct IO_APIC_route_entry entry;
-			spin_lock_irqsave(&ioapic_lock, flags);
-			*(((int *)&entry) + 0) = io_apic_read(apic, 0x10 + 2 * pin);
-			*(((int *)&entry) + 1) = io_apic_read(apic, 0x11 + 2 * pin);
-			spin_unlock_irqrestore(&ioapic_lock, flags);
+			entry = ioapic_read_entry(apic, pin);
 
 
 			/* If the interrupt line is enabled and in ExtInt mode
@@ -1726,7 +1737,6 @@ void disable_IO_APIC(void)
 	 */
 	if (ioapic_i8259.pin != -1) {
 		struct IO_APIC_route_entry entry;
-		unsigned long flags;
 
 		memset(&entry, 0, sizeof(entry));
 		entry.mask            = 0; /* Enabled */
@@ -1743,12 +1753,7 @@ void disable_IO_APIC(void)
 		/*
 		 * Add it to the IO-APIC irq-routing table:
 		 */
-		spin_lock_irqsave(&ioapic_lock, flags);
-		io_apic_write(ioapic_i8259.apic, 0x11+2*ioapic_i8259.pin,
-			*(((int *)&entry)+1));
-		io_apic_write(ioapic_i8259.apic, 0x10+2*ioapic_i8259.pin,
-			*(((int *)&entry)+0));
-		spin_unlock_irqrestore(&ioapic_lock, flags);
+		ioapic_write_entry(ioapic_i8259.apic, ioapic_i8259.pin, entry);
 	}
 	disconnect_bsp_APIC(ioapic_i8259.pin != -1);
 }
@@ -2213,17 +2218,13 @@ static inline void unlock_ExtINT_logic(void)
 	int apic, pin, i;
 	struct IO_APIC_route_entry entry0, entry1;
 	unsigned char save_control, save_freq_select;
-	unsigned long flags;
 
 	pin  = find_isa_irq_pin(8, mp_INT);
 	apic = find_isa_irq_apic(8, mp_INT);
 	if (pin == -1)
 		return;
 
-	spin_lock_irqsave(&ioapic_lock, flags);
-	*(((int *)&entry0) + 1) = io_apic_read(apic, 0x11 + 2 * pin);
-	*(((int *)&entry0) + 0) = io_apic_read(apic, 0x10 + 2 * pin);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	entry0 = ioapic_read_entry(apic, pin);
 	clear_IO_APIC_pin(apic, pin);
 
 	memset(&entry1, 0, sizeof(entry1));
@@ -2236,10 +2237,7 @@ static inline void unlock_ExtINT_logic(void)
 	entry1.trigger = 0;
 	entry1.vector = 0;
 
-	spin_lock_irqsave(&ioapic_lock, flags);
-	io_apic_write(apic, 0x11 + 2 * pin, *(((int *)&entry1) + 1));
-	io_apic_write(apic, 0x10 + 2 * pin, *(((int *)&entry1) + 0));
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	ioapic_write_entry(apic, pin, entry1);
 
 	save_control = CMOS_READ(RTC_CONTROL);
 	save_freq_select = CMOS_READ(RTC_FREQ_SELECT);
@@ -2258,10 +2256,7 @@ static inline void unlock_ExtINT_logic(void)
 	CMOS_WRITE(save_freq_select, RTC_FREQ_SELECT);
 	clear_IO_APIC_pin(apic, pin);
 
-	spin_lock_irqsave(&ioapic_lock, flags);
-	io_apic_write(apic, 0x11 + 2 * pin, *(((int *)&entry0) + 1));
-	io_apic_write(apic, 0x10 + 2 * pin, *(((int *)&entry0) + 0));
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	ioapic_write_entry(apic, pin, entry0);
 }
 
 int timer_uses_ioapic_pin_0;
@@ -2461,17 +2456,12 @@ static int ioapic_suspend(struct sys_device *dev, pm_message_t state)
 {
 	struct IO_APIC_route_entry *entry;
 	struct sysfs_ioapic_data *data;
-	unsigned long flags;
 	int i;
 	
 	data = container_of(dev, struct sysfs_ioapic_data, dev);
 	entry = data->entry;
-	spin_lock_irqsave(&ioapic_lock, flags);
-	for (i = 0; i < nr_ioapic_registers[dev->id]; i ++, entry ++ ) {
-		*(((int *)entry) + 1) = io_apic_read(dev->id, 0x11 + 2 * i);
-		*(((int *)entry) + 0) = io_apic_read(dev->id, 0x10 + 2 * i);
-	}
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	for (i = 0; i < nr_ioapic_registers[dev->id]; i ++)
+		entry[i] = ioapic_read_entry(dev->id, i);
 
 	return 0;
 }
@@ -2493,11 +2483,9 @@ static int ioapic_resume(struct sys_device *dev)
 		reg_00.bits.ID = mp_ioapics[dev->id].mpc_apicid;
 		io_apic_write(dev->id, 0, reg_00.raw);
 	}
-	for (i = 0; i < nr_ioapic_registers[dev->id]; i ++, entry ++ ) {
-		io_apic_write(dev->id, 0x11+2*i, *(((int *)entry)+1));
-		io_apic_write(dev->id, 0x10+2*i, *(((int *)entry)+0));
-	}
 	spin_unlock_irqrestore(&ioapic_lock, flags);
+	for (i = 0; i < nr_ioapic_registers[dev->id]; i ++)
+		ioapic_write_entry(dev->id, i, entry[i]);
 
 	return 0;
 }
@@ -2694,9 +2682,8 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int a
 	if (!ioapic && (irq < 16))
 		disable_8259A_irq(irq);
 
+	ioapic_write_entry(ioapic, pin, entry);
 	spin_lock_irqsave(&ioapic_lock, flags);
-	io_apic_write(ioapic, 0x11+2*pin, *(((int *)&entry)+1));
-	io_apic_write(ioapic, 0x10+2*pin, *(((int *)&entry)+0));
 	set_native_irq_info(use_pci_vector() ? entry.vector : irq, TARGET_CPUS);
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 
@@ -2704,3 +2691,25 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int a
 }
 
 #endif /* CONFIG_ACPI */
+
+static int __init parse_disable_timer_pin_1(char *arg)
+{
+	disable_timer_pin_1 = 1;
+	return 0;
+}
+early_param("disable_timer_pin_1", parse_disable_timer_pin_1);
+
+static int __init parse_enable_timer_pin_1(char *arg)
+{
+	disable_timer_pin_1 = -1;
+	return 0;
+}
+early_param("enable_timer_pin_1", parse_enable_timer_pin_1);
+
+static int __init parse_noapic(char *arg)
+{
+	/* disable IO-APIC */
+	disable_ioapic_setup();
+	return 0;
+}
+early_param("noapic", parse_noapic);
diff --git a/arch/i386/kernel/machine_kexec.c b/arch/i386/kernel/machine_kexec.c
index 6b1ae6ba76f0..91966bafb3dc 100644
--- a/arch/i386/kernel/machine_kexec.c
+++ b/arch/i386/kernel/machine_kexec.c
@@ -9,6 +9,7 @@
 #include <linux/mm.h>
 #include <linux/kexec.h>
 #include <linux/delay.h>
+#include <linux/init.h>
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
@@ -20,70 +21,13 @@
 #include <asm/system.h>
 
 #define PAGE_ALIGNED __attribute__ ((__aligned__(PAGE_SIZE)))
-
-#define L0_ATTR (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY)
-#define L1_ATTR (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY)
-#define L2_ATTR (_PAGE_PRESENT)
-
-#define LEVEL0_SIZE (1UL << 12UL)
-
-#ifndef CONFIG_X86_PAE
-#define LEVEL1_SIZE (1UL << 22UL)
-static u32 pgtable_level1[1024] PAGE_ALIGNED;
-
-static void identity_map_page(unsigned long address)
-{
-	unsigned long level1_index, level2_index;
-	u32 *pgtable_level2;
-
-	/* Find the current page table */
-	pgtable_level2 = __va(read_cr3());
-
-	/* Find the indexes of the physical address to identity map */
-	level1_index = (address % LEVEL1_SIZE)/LEVEL0_SIZE;
-	level2_index = address / LEVEL1_SIZE;
-
-	/* Identity map the page table entry */
-	pgtable_level1[level1_index] = address | L0_ATTR;
-	pgtable_level2[level2_index] = __pa(pgtable_level1) | L1_ATTR;
-
-	/* Flush the tlb so the new mapping takes effect.
-	 * Global tlb entries are not flushed but that is not an issue.
-	 */
-	load_cr3(pgtable_level2);
-}
-
-#else
-#define LEVEL1_SIZE (1UL << 21UL)
-#define LEVEL2_SIZE (1UL << 30UL)
-static u64 pgtable_level1[512] PAGE_ALIGNED;
-static u64 pgtable_level2[512] PAGE_ALIGNED;
-
-static void identity_map_page(unsigned long address)
-{
-	unsigned long level1_index, level2_index, level3_index;
-	u64 *pgtable_level3;
-
-	/* Find the current page table */
-	pgtable_level3 = __va(read_cr3());
-
-	/* Find the indexes of the physical address to identity map */
-	level1_index = (address % LEVEL1_SIZE)/LEVEL0_SIZE;
-	level2_index = (address % LEVEL2_SIZE)/LEVEL1_SIZE;
-	level3_index = address / LEVEL2_SIZE;
-
-	/* Identity map the page table entry */
-	pgtable_level1[level1_index] = address | L0_ATTR;
-	pgtable_level2[level2_index] = __pa(pgtable_level1) | L1_ATTR;
-	set_64bit(&pgtable_level3[level3_index],
-					       __pa(pgtable_level2) | L2_ATTR);
-
-	/* Flush the tlb so the new mapping takes effect.
-	 * Global tlb entries are not flushed but that is not an issue.
-	 */
-	load_cr3(pgtable_level3);
-}
+static u32 kexec_pgd[1024] PAGE_ALIGNED;
+#ifdef CONFIG_X86_PAE
+static u32 kexec_pmd0[1024] PAGE_ALIGNED;
+static u32 kexec_pmd1[1024] PAGE_ALIGNED;
 #endif
+static u32 kexec_pte0[1024] PAGE_ALIGNED;
+static u32 kexec_pte1[1024] PAGE_ALIGNED;
 
 static void set_idt(void *newidt, __u16 limit)
 {
@@ -127,16 +71,6 @@ static void load_segments(void)
 #undef __STR
 }
 
-typedef asmlinkage NORET_TYPE void (*relocate_new_kernel_t)(
-					unsigned long indirection_page,
-					unsigned long reboot_code_buffer,
-					unsigned long start_address,
-					unsigned int has_pae) ATTRIB_NORET;
-
-extern const unsigned char relocate_new_kernel[];
-extern void relocate_new_kernel_end(void);
-extern const unsigned int relocate_new_kernel_size;
-
 /*
  * A architecture hook called to validate the
  * proposed image and prepare the control pages
@@ -169,25 +103,29 @@ void machine_kexec_cleanup(struct kimage *image)
  */
 NORET_TYPE void machine_kexec(struct kimage *image)
 {
-	unsigned long page_list;
-	unsigned long reboot_code_buffer;
-
-	relocate_new_kernel_t rnk;
+	unsigned long page_list[PAGES_NR];
+	void *control_page;
 
 	/* Interrupts aren't acceptable while we reboot */
 	local_irq_disable();
 
-	/* Compute some offsets */
-	reboot_code_buffer = page_to_pfn(image->control_code_page)
-								<< PAGE_SHIFT;
-	page_list = image->head;
-
-	/* Set up an identity mapping for the reboot_code_buffer */
-	identity_map_page(reboot_code_buffer);
-
-	/* copy it out */
-	memcpy((void *)reboot_code_buffer, relocate_new_kernel,
-						relocate_new_kernel_size);
+	control_page = page_address(image->control_code_page);
+	memcpy(control_page, relocate_kernel, PAGE_SIZE);
+
+	page_list[PA_CONTROL_PAGE] = __pa(control_page);
+	page_list[VA_CONTROL_PAGE] = (unsigned long)relocate_kernel;
+	page_list[PA_PGD] = __pa(kexec_pgd);
+	page_list[VA_PGD] = (unsigned long)kexec_pgd;
+#ifdef CONFIG_X86_PAE
+	page_list[PA_PMD_0] = __pa(kexec_pmd0);
+	page_list[VA_PMD_0] = (unsigned long)kexec_pmd0;
+	page_list[PA_PMD_1] = __pa(kexec_pmd1);
+	page_list[VA_PMD_1] = (unsigned long)kexec_pmd1;
+#endif
+	page_list[PA_PTE_0] = __pa(kexec_pte0);
+	page_list[VA_PTE_0] = (unsigned long)kexec_pte0;
+	page_list[PA_PTE_1] = __pa(kexec_pte1);
+	page_list[VA_PTE_1] = (unsigned long)kexec_pte1;
 
 	/* The segment registers are funny things, they have both a
 	 * visible and an invisible part.  Whenever the visible part is
@@ -206,6 +144,28 @@ NORET_TYPE void machine_kexec(struct kimage *image)
 	set_idt(phys_to_virt(0),0);
 
 	/* now call it */
-	rnk = (relocate_new_kernel_t) reboot_code_buffer;
-	(*rnk)(page_list, reboot_code_buffer, image->start, cpu_has_pae);
+	relocate_kernel((unsigned long)image->head, (unsigned long)page_list,
+			image->start, cpu_has_pae);
+}
+
+/* crashkernel=size@addr specifies the location to reserve for
+ * a crash kernel.  By reserving this memory we guarantee
+ * that linux never sets it up as a DMA target.
+ * Useful for holding code to do something appropriate
+ * after a kernel panic.
+ */
+static int __init parse_crashkernel(char *arg)
+{
+	unsigned long size, base;
+	size = memparse(arg, &arg);
+	if (*arg == '@') {
+		base = memparse(arg+1, &arg);
+		/* FIXME: Do I want a sanity check
+		 * to validate the memory range?
+		 */
+		crashk_res.start = base;
+		crashk_res.end   = base + size - 1;
+	}
+	return 0;
 }
+early_param("crashkernel", parse_crashkernel);
diff --git a/arch/i386/kernel/mca.c b/arch/i386/kernel/mca.c
index cd5456f14af4..eb57a851789d 100644
--- a/arch/i386/kernel/mca.c
+++ b/arch/i386/kernel/mca.c
@@ -42,6 +42,7 @@
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/mca.h>
+#include <linux/kprobes.h>
 #include <asm/system.h>
 #include <asm/io.h>
 #include <linux/proc_fs.h>
@@ -414,7 +415,8 @@ subsys_initcall(mca_init);
 
 /*--------------------------------------------------------------------*/
 
-static void mca_handle_nmi_device(struct mca_device *mca_dev, int check_flag)
+static __kprobes void
+mca_handle_nmi_device(struct mca_device *mca_dev, int check_flag)
 {
 	int slot = mca_dev->slot;
 
@@ -444,7 +446,7 @@ static void mca_handle_nmi_device(struct mca_device *mca_dev, int check_flag)
 
 /*--------------------------------------------------------------------*/
 
-static int mca_handle_nmi_callback(struct device *dev, void *data)
+static int __kprobes mca_handle_nmi_callback(struct device *dev, void *data)
 {
 	struct mca_device *mca_dev = to_mca_device(dev);
 	unsigned char pos5;
@@ -462,7 +464,7 @@ static int mca_handle_nmi_callback(struct device *dev, void *data)
 	return 0;
 }
 
-void mca_handle_nmi(void)
+void __kprobes mca_handle_nmi(void)
 {
 	/* First try - scan the various adapters and see if a specific
 	 * adapter was responsible for the error.
diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index 40b44cc0d14b..9b9479768d5e 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -2,6 +2,7 @@
  *	Intel CPU Microcode Update Driver for Linux
  *
  *	Copyright (C) 2000-2004 Tigran Aivazian
+ *		      2006	Shaohua Li <shaohua.li@intel.com>
  *
  *	This driver allows to upgrade microcode on Intel processors
  *	belonging to IA-32 family - PentiumPro, Pentium II, 
@@ -82,6 +83,9 @@
 #include <linux/spinlock.h>
 #include <linux/mm.h>
 #include <linux/mutex.h>
+#include <linux/cpu.h>
+#include <linux/firmware.h>
+#include <linux/platform_device.h>
 
 #include <asm/msr.h>
 #include <asm/uaccess.h>
@@ -91,9 +95,6 @@ MODULE_DESCRIPTION("Intel CPU (IA-32) Microcode Update Driver");
 MODULE_AUTHOR("Tigran Aivazian <tigran@veritas.com>");
 MODULE_LICENSE("GPL");
 
-static int verbose;
-module_param(verbose, int, 0644);
-
 #define MICROCODE_VERSION 	"1.14a"
 
 #define DEFAULT_UCODE_DATASIZE 	(2000) 	  /* 2000 bytes */
@@ -120,55 +121,40 @@ static DEFINE_SPINLOCK(microcode_update_lock);
 /* no concurrent ->write()s are allowed on /dev/cpu/microcode */
 static DEFINE_MUTEX(microcode_mutex);
 
-static void __user *user_buffer;	/* user area microcode data buffer */
-static unsigned int user_buffer_size;	/* it's size */
-
-typedef enum mc_error_code {
-	MC_SUCCESS 	= 0,
-	MC_IGNORED 	= 1,
-	MC_NOTFOUND 	= 2,
-	MC_MARKED 	= 3,
-	MC_ALLOCATED 	= 4,
-} mc_error_code_t;
-
 static struct ucode_cpu_info {
+	int valid;
 	unsigned int sig;
-	unsigned int pf, orig_pf;
+	unsigned int pf;
 	unsigned int rev;
-	unsigned int cksum;
-	mc_error_code_t err;
 	microcode_t *mc;
 } ucode_cpu_info[NR_CPUS];
-				
-static int microcode_open (struct inode *unused1, struct file *unused2)
-{
-	return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
-}
 
-static void collect_cpu_info (void *unused)
+static void collect_cpu_info(int cpu_num)
 {
-	int cpu_num = smp_processor_id();
 	struct cpuinfo_x86 *c = cpu_data + cpu_num;
 	struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num;
 	unsigned int val[2];
 
-	uci->sig = uci->pf = uci->rev = uci->cksum = 0;
-	uci->err = MC_NOTFOUND; 
+	/* We should bind the task to the CPU */
+	BUG_ON(raw_smp_processor_id() != cpu_num);
+	uci->pf = uci->rev = 0;
 	uci->mc = NULL;
+	uci->valid = 1;
 
 	if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 ||
 	    	cpu_has(c, X86_FEATURE_IA64)) {
-		printk(KERN_ERR "microcode: CPU%d not a capable Intel processor\n", cpu_num);
+		printk(KERN_ERR "microcode: CPU%d not a capable Intel "
+			"processor\n", cpu_num);
+		uci->valid = 0;
 		return;
-	} else {
-		uci->sig = cpuid_eax(0x00000001);
+	}
 
-		if ((c->x86_model >= 5) || (c->x86 > 6)) {
-			/* get processor flags from MSR 0x17 */
-			rdmsr(MSR_IA32_PLATFORM_ID, val[0], val[1]);
-			uci->pf = 1 << ((val[1] >> 18) & 7);
-		}
-		uci->orig_pf = uci->pf;
+	uci->sig = cpuid_eax(0x00000001);
+
+	if ((c->x86_model >= 5) || (c->x86 > 6)) {
+		/* get processor flags from MSR 0x17 */
+		rdmsr(MSR_IA32_PLATFORM_ID, val[0], val[1]);
+		uci->pf = 1 << ((val[1] >> 18) & 7);
 	}
 
 	wrmsr(MSR_IA32_UCODE_REV, 0, 0);
@@ -180,218 +166,159 @@ static void collect_cpu_info (void *unused)
 			uci->sig, uci->pf, uci->rev);
 }
 
-static inline void mark_microcode_update (int cpu_num, microcode_header_t *mc_header, int sig, int pf, int cksum)
+static inline int microcode_update_match(int cpu_num,
+	microcode_header_t *mc_header, int sig, int pf)
 {
 	struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num;
 
-	pr_debug("Microcode Found.\n");
-	pr_debug("   Header Revision 0x%x\n", mc_header->hdrver);
-	pr_debug("   Loader Revision 0x%x\n", mc_header->ldrver);
-	pr_debug("   Revision 0x%x \n", mc_header->rev);
-	pr_debug("   Date %x/%x/%x\n",
-		((mc_header->date >> 24 ) & 0xff),
-		((mc_header->date >> 16 ) & 0xff),
-		(mc_header->date & 0xFFFF));
-	pr_debug("   Signature 0x%x\n", sig);
-	pr_debug("   Type 0x%x Family 0x%x Model 0x%x Stepping 0x%x\n",
-		((sig >> 12) & 0x3),
-		((sig >> 8) & 0xf),
-		((sig >> 4) & 0xf),
-		((sig & 0xf)));
-	pr_debug("   Processor Flags 0x%x\n", pf);
-	pr_debug("   Checksum 0x%x\n", cksum);
-
-	if (mc_header->rev < uci->rev) {
-		if (uci->err == MC_NOTFOUND) {
-			uci->err = MC_IGNORED;
-			uci->cksum = mc_header->rev;
-		} else if (uci->err == MC_IGNORED && uci->cksum < mc_header->rev)
-			uci->cksum = mc_header->rev;
-	} else if (mc_header->rev == uci->rev) {
-		if (uci->err < MC_MARKED) {
-			/* notify the caller of success on this cpu */
-			uci->err = MC_SUCCESS;
-		}
-	} else if (uci->err != MC_ALLOCATED || mc_header->rev > uci->mc->hdr.rev) {
-		pr_debug("microcode: CPU%d found a matching microcode update with "
-			" revision 0x%x (current=0x%x)\n", cpu_num, mc_header->rev, uci->rev);
-		uci->cksum = cksum;
-		uci->pf = pf; /* keep the original mc pf for cksum calculation */
-		uci->err = MC_MARKED; /* found the match */
-		for_each_online_cpu(cpu_num) {
-			if (ucode_cpu_info + cpu_num != uci
-			    && ucode_cpu_info[cpu_num].mc == uci->mc) {
-				uci->mc = NULL;
-				break;
-			}
-		}
-		if (uci->mc != NULL) {
-			vfree(uci->mc);
-			uci->mc = NULL;
-		}
-	}
-	return;
+	if (!sigmatch(sig, uci->sig, pf, uci->pf)
+		|| mc_header->rev <= uci->rev)
+		return 0;
+	return 1;
 }
 
-static int find_matching_ucodes (void) 
+static int microcode_sanity_check(void *mc)
 {
-	int cursor = 0;
-	int error = 0;
-
-	while (cursor + MC_HEADER_SIZE < user_buffer_size) {
-		microcode_header_t mc_header;
-		void *newmc = NULL;
-		int i, sum, cpu_num, allocated_flag, total_size, data_size, ext_table_size;
+	microcode_header_t *mc_header = mc;
+	struct extended_sigtable *ext_header = NULL;
+	struct extended_signature *ext_sig;
+	unsigned long total_size, data_size, ext_table_size;
+	int sum, orig_sum, ext_sigcount = 0, i;
+
+	total_size = get_totalsize(mc_header);
+	data_size = get_datasize(mc_header);
+	if (data_size + MC_HEADER_SIZE > total_size) {
+		printk(KERN_ERR "microcode: error! "
+			"Bad data size in microcode data file\n");
+		return -EINVAL;
+	}
 
-		if (copy_from_user(&mc_header, user_buffer + cursor, MC_HEADER_SIZE)) {
-			printk(KERN_ERR "microcode: error! Can not read user data\n");
-			error = -EFAULT;
-			goto out;
+	if (mc_header->ldrver != 1 || mc_header->hdrver != 1) {
+		printk(KERN_ERR "microcode: error! "
+			"Unknown microcode update format\n");
+		return -EINVAL;
+	}
+	ext_table_size = total_size - (MC_HEADER_SIZE + data_size);
+	if (ext_table_size) {
+		if ((ext_table_size < EXT_HEADER_SIZE)
+		 || ((ext_table_size - EXT_HEADER_SIZE) % EXT_SIGNATURE_SIZE)) {
+			printk(KERN_ERR "microcode: error! "
+				"Small exttable size in microcode data file\n");
+			return -EINVAL;
 		}
-
-		total_size = get_totalsize(&mc_header);
-		if ((cursor + total_size > user_buffer_size) || (total_size < DEFAULT_UCODE_TOTALSIZE)) {
-			printk(KERN_ERR "microcode: error! Bad data in microcode data file\n");
-			error = -EINVAL;
-			goto out;
+		ext_header = mc + MC_HEADER_SIZE + data_size;
+		if (ext_table_size != exttable_size(ext_header)) {
+			printk(KERN_ERR "microcode: error! "
+				"Bad exttable size in microcode data file\n");
+			return -EFAULT;
 		}
+		ext_sigcount = ext_header->count;
+	}
 
-		data_size = get_datasize(&mc_header);
-		if ((data_size + MC_HEADER_SIZE > total_size) || (data_size < DEFAULT_UCODE_DATASIZE)) {
-			printk(KERN_ERR "microcode: error! Bad data in microcode data file\n");
-			error = -EINVAL;
-			goto out;
+	/* check extended table checksum */
+	if (ext_table_size) {
+		int ext_table_sum = 0;
+		int *ext_tablep = (int *)ext_header;
+
+		i = ext_table_size / DWSIZE;
+		while (i--)
+			ext_table_sum += ext_tablep[i];
+		if (ext_table_sum) {
+			printk(KERN_WARNING "microcode: aborting, "
+				"bad extended signature table checksum\n");
+			return -EINVAL;
 		}
+	}
 
-		if (mc_header.ldrver != 1 || mc_header.hdrver != 1) {
-			printk(KERN_ERR "microcode: error! Unknown microcode update format\n");
-			error = -EINVAL;
-			goto out;
+	/* calculate the checksum */
+	orig_sum = 0;
+	i = (MC_HEADER_SIZE + data_size) / DWSIZE;
+	while (i--)
+		orig_sum += ((int *)mc)[i];
+	if (orig_sum) {
+		printk(KERN_ERR "microcode: aborting, bad checksum\n");
+		return -EINVAL;
+	}
+	if (!ext_table_size)
+		return 0;
+	/* check extended signature checksum */
+	for (i = 0; i < ext_sigcount; i++) {
+		ext_sig = (struct extended_signature *)((void *)ext_header
+			+ EXT_HEADER_SIZE + EXT_SIGNATURE_SIZE * i);
+		sum = orig_sum
+			- (mc_header->sig + mc_header->pf + mc_header->cksum)
+			+ (ext_sig->sig + ext_sig->pf + ext_sig->cksum);
+		if (sum) {
+			printk(KERN_ERR "microcode: aborting, bad checksum\n");
+			return -EINVAL;
 		}
+	}
+	return 0;
+}
 
-		for_each_online_cpu(cpu_num) {
-			struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num;
-
-			if (sigmatch(mc_header.sig, uci->sig, mc_header.pf, uci->orig_pf))
-				mark_microcode_update(cpu_num, &mc_header, mc_header.sig, mc_header.pf, mc_header.cksum);
-		}
+/*
+ * return 0 - no update found
+ * return 1 - found update
+ * return < 0 - error
+ */
+static int get_maching_microcode(void *mc, int cpu)
+{
+	struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+	microcode_header_t *mc_header = mc;
+	struct extended_sigtable *ext_header;
+	unsigned long total_size = get_totalsize(mc_header);
+	int ext_sigcount, i;
+	struct extended_signature *ext_sig;
+	void *new_mc;
+
+	if (microcode_update_match(cpu, mc_header,
+			mc_header->sig, mc_header->pf))
+		goto find;
+
+	if (total_size <= get_datasize(mc_header) + MC_HEADER_SIZE)
+		return 0;
+
+	ext_header = (struct extended_sigtable *)(mc +
+			get_datasize(mc_header) + MC_HEADER_SIZE);
+	ext_sigcount = ext_header->count;
+	ext_sig = (struct extended_signature *)((void *)ext_header
+			+ EXT_HEADER_SIZE);
+	for (i = 0; i < ext_sigcount; i++) {
+		if (microcode_update_match(cpu, mc_header,
+				ext_sig->sig, ext_sig->pf))
+			goto find;
+		ext_sig++;
+	}
+	return 0;
+find:
+	pr_debug("microcode: CPU %d found a matching microcode update with"
+		" version 0x%x (current=0x%x)\n", cpu, mc_header->rev,uci->rev);
+	new_mc = vmalloc(total_size);
+	if (!new_mc) {
+		printk(KERN_ERR "microcode: error! Can not allocate memory\n");
+		return -ENOMEM;
+	}
 
-		ext_table_size = total_size - (MC_HEADER_SIZE + data_size);
-		if (ext_table_size) {
-			struct extended_sigtable ext_header;
-			struct extended_signature ext_sig;
-			int ext_sigcount;
+	/* free previous update file */
+	vfree(uci->mc);
 
-			if ((ext_table_size < EXT_HEADER_SIZE) 
-					|| ((ext_table_size - EXT_HEADER_SIZE) % EXT_SIGNATURE_SIZE)) {
-				printk(KERN_ERR "microcode: error! Bad data in microcode data file\n");
-				error = -EINVAL;
-				goto out;
-			}
-			if (copy_from_user(&ext_header, user_buffer + cursor 
-					+ MC_HEADER_SIZE + data_size, EXT_HEADER_SIZE)) {
-				printk(KERN_ERR "microcode: error! Can not read user data\n");
-				error = -EFAULT;
-				goto out;
-			}
-			if (ext_table_size != exttable_size(&ext_header)) {
-				printk(KERN_ERR "microcode: error! Bad data in microcode data file\n");
-				error = -EFAULT;
-				goto out;
-			}
-
-			ext_sigcount = ext_header.count;
-			
-			for (i = 0; i < ext_sigcount; i++) {
-				if (copy_from_user(&ext_sig, user_buffer + cursor + MC_HEADER_SIZE + data_size + EXT_HEADER_SIZE 
-						+ EXT_SIGNATURE_SIZE * i, EXT_SIGNATURE_SIZE)) {
-					printk(KERN_ERR "microcode: error! Can not read user data\n");
-					error = -EFAULT;
-					goto out;
-				}
-				for_each_online_cpu(cpu_num) {
-					struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num;
-
-					if (sigmatch(ext_sig.sig, uci->sig, ext_sig.pf, uci->orig_pf)) {
-						mark_microcode_update(cpu_num, &mc_header, ext_sig.sig, ext_sig.pf, ext_sig.cksum);
-					}
-				}
-			}
-		}
-		/* now check if any cpu has matched */
-		allocated_flag = 0;
-		sum = 0;
-		for_each_online_cpu(cpu_num) {
-			if (ucode_cpu_info[cpu_num].err == MC_MARKED) { 
-				struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num;
-				if (!allocated_flag) {
-					allocated_flag = 1;
-					newmc = vmalloc(total_size);
-					if (!newmc) {
-						printk(KERN_ERR "microcode: error! Can not allocate memory\n");
-						error = -ENOMEM;
-						goto out;
-					}
-					if (copy_from_user(newmc + MC_HEADER_SIZE, 
-								user_buffer + cursor + MC_HEADER_SIZE, 
-								total_size - MC_HEADER_SIZE)) {
-						printk(KERN_ERR "microcode: error! Can not read user data\n");
-						vfree(newmc);
-						error = -EFAULT;
-						goto out;
-					}
-					memcpy(newmc, &mc_header, MC_HEADER_SIZE);
-					/* check extended table checksum */
-					if (ext_table_size) {
-						int ext_table_sum = 0;
-						int * ext_tablep = (((void *) newmc) + MC_HEADER_SIZE + data_size);
-						i = ext_table_size / DWSIZE;
-						while (i--) ext_table_sum += ext_tablep[i];
-						if (ext_table_sum) {
-							printk(KERN_WARNING "microcode: aborting, bad extended signature table checksum\n");
-							vfree(newmc);
-							error = -EINVAL;
-							goto out;
-						}
-					}
-
-					/* calculate the checksum */
-					i = (MC_HEADER_SIZE + data_size) / DWSIZE;
-					while (i--) sum += ((int *)newmc)[i];
-					sum -= (mc_header.sig + mc_header.pf + mc_header.cksum);
-				}
-				ucode_cpu_info[cpu_num].mc = newmc;
-				ucode_cpu_info[cpu_num].err = MC_ALLOCATED; /* mc updated */
-				if (sum + uci->sig + uci->pf + uci->cksum != 0) {
-					printk(KERN_ERR "microcode: CPU%d aborting, bad checksum\n", cpu_num);
-					error = -EINVAL;
-					goto out;
-				}
-			}
-		}
-		cursor += total_size; /* goto the next update patch */
-	} /* end of while */
-out:
-	return error;
+	memcpy(new_mc, mc, total_size);
+	uci->mc = new_mc;
+	return 1;
 }
 
-static void do_update_one (void * unused)
+static void apply_microcode(int cpu)
 {
 	unsigned long flags;
 	unsigned int val[2];
-	int cpu_num = smp_processor_id();
+	int cpu_num = raw_smp_processor_id();
 	struct ucode_cpu_info *uci = ucode_cpu_info + cpu_num;
 
-	if (uci->mc == NULL) {
-		if (verbose) {
-			if (uci->err == MC_SUCCESS)
-				printk(KERN_INFO "microcode: CPU%d already at revision 0x%x\n",
-					cpu_num, uci->rev);
-			else
-				printk(KERN_INFO "microcode: No new microcode data for CPU%d\n", cpu_num);
-		}
+	/* We should bind the task to the CPU */
+	BUG_ON(cpu_num != cpu);
+
+	if (uci->mc == NULL)
 		return;
-	}
 
 	/* serialize access to the physical write to MSR 0x79 */
 	spin_lock_irqsave(&microcode_update_lock, flags);          
@@ -408,68 +335,107 @@ static void do_update_one (void * unused)
 	/* get the current revision from MSR 0x8B */
 	rdmsr(MSR_IA32_UCODE_REV, val[0], val[1]);
 
-	/* notify the caller of success on this cpu */
-	uci->err = MC_SUCCESS;
 	spin_unlock_irqrestore(&microcode_update_lock, flags);
-	printk(KERN_INFO "microcode: CPU%d updated from revision "
+	if (val[1] != uci->mc->hdr.rev) {
+		printk(KERN_ERR "microcode: CPU%d updated from revision "
+			"0x%x to 0x%x failed\n", cpu_num, uci->rev, val[1]);
+		return;
+	}
+	pr_debug("microcode: CPU%d updated from revision "
 	       "0x%x to 0x%x, date = %08x \n", 
 	       cpu_num, uci->rev, val[1], uci->mc->hdr.date);
-	return;
+	uci->rev = val[1];
 }
 
-static int do_microcode_update (void)
-{
-	int i, error;
+#ifdef CONFIG_MICROCODE_OLD_INTERFACE
+static void __user *user_buffer;	/* user area microcode data buffer */
+static unsigned int user_buffer_size;	/* it's size */
 
-	if (on_each_cpu(collect_cpu_info, NULL, 1, 1) != 0) {
-		printk(KERN_ERR "microcode: Error! Could not run on all processors\n");
-		error = -EIO;
-		goto out;
+static long get_next_ucode(void **mc, long offset)
+{
+	microcode_header_t mc_header;
+	unsigned long total_size;
+
+	/* No more data */
+	if (offset >= user_buffer_size)
+		return 0;
+	if (copy_from_user(&mc_header, user_buffer + offset, MC_HEADER_SIZE)) {
+		printk(KERN_ERR "microcode: error! Can not read user data\n");
+		return -EFAULT;
 	}
-
-	if ((error = find_matching_ucodes())) {
-		printk(KERN_ERR "microcode: Error in the microcode data\n");
-		goto out_free;
+	total_size = get_totalsize(&mc_header);
+	if (offset + total_size > user_buffer_size) {
+		printk(KERN_ERR "microcode: error! Bad total size in microcode "
+				"data file\n");
+		return -EINVAL;
 	}
-
-	if (on_each_cpu(do_update_one, NULL, 1, 1) != 0) {
-		printk(KERN_ERR "microcode: Error! Could not run on all processors\n");
-		error = -EIO;
+	*mc = vmalloc(total_size);
+	if (!*mc)
+		return -ENOMEM;
+	if (copy_from_user(*mc, user_buffer + offset, total_size)) {
+		printk(KERN_ERR "microcode: error! Can not read user data\n");
+		vfree(*mc);
+		return -EFAULT;
 	}
+	return offset + total_size;
+}
+
+static int do_microcode_update (void)
+{
+	long cursor = 0;
+	int error = 0;
+	void *new_mc;
+	int cpu;
+	cpumask_t old;
+
+	old = current->cpus_allowed;
 
-out_free:
-	for_each_online_cpu(i) {
-		if (ucode_cpu_info[i].mc) {
-			int j;
-			void *tmp = ucode_cpu_info[i].mc;
-			vfree(tmp);
-			for_each_online_cpu(j) {
-				if (ucode_cpu_info[j].mc == tmp)
-					ucode_cpu_info[j].mc = NULL;
-			}
+	while ((cursor = get_next_ucode(&new_mc, cursor)) > 0) {
+		error = microcode_sanity_check(new_mc);
+		if (error)
+			goto out;
+		/*
+		 * It's possible the data file has multiple matching ucode,
+		 * lets keep searching till the latest version
+		 */
+		for_each_online_cpu(cpu) {
+			struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+
+			if (!uci->valid)
+				continue;
+			set_cpus_allowed(current, cpumask_of_cpu(cpu));
+			error = get_maching_microcode(new_mc, cpu);
+			if (error < 0)
+				goto out;
+			if (error == 1)
+				apply_microcode(cpu);
 		}
-		if (ucode_cpu_info[i].err == MC_IGNORED && verbose)
-			printk(KERN_WARNING "microcode: CPU%d not 'upgrading' to earlier revision"
-			       " 0x%x (current=0x%x)\n", i, ucode_cpu_info[i].cksum, ucode_cpu_info[i].rev);
+		vfree(new_mc);
 	}
 out:
+	if (cursor > 0)
+		vfree(new_mc);
+	if (cursor < 0)
+		error = cursor;
+	set_cpus_allowed(current, old);
 	return error;
 }
 
+static int microcode_open (struct inode *unused1, struct file *unused2)
+{
+	return capable(CAP_SYS_RAWIO) ? 0 : -EPERM;
+}
+
 static ssize_t microcode_write (struct file *file, const char __user *buf, size_t len, loff_t *ppos)
 {
 	ssize_t ret;
 
-	if (len < DEFAULT_UCODE_TOTALSIZE) {
-		printk(KERN_ERR "microcode: not enough data\n"); 
-		return -EINVAL;
-	}
-
 	if ((len >> PAGE_SHIFT) > num_physpages) {
 		printk(KERN_ERR "microcode: too much data (max %ld pages)\n", num_physpages);
 		return -EINVAL;
 	}
 
+	lock_cpu_hotplug();
 	mutex_lock(&microcode_mutex);
 
 	user_buffer = (void __user *) buf;
@@ -480,6 +446,7 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_
 		ret = (ssize_t)len;
 
 	mutex_unlock(&microcode_mutex);
+	unlock_cpu_hotplug();
 
 	return ret;
 }
@@ -496,7 +463,7 @@ static struct miscdevice microcode_dev = {
 	.fops		= &microcode_fops,
 };
 
-static int __init microcode_init (void)
+static int __init microcode_dev_init (void)
 {
 	int error;
 
@@ -508,6 +475,280 @@ static int __init microcode_init (void)
 		return error;
 	}
 
+	return 0;
+}
+
+static void __exit microcode_dev_exit (void)
+{
+	misc_deregister(&microcode_dev);
+}
+
+MODULE_ALIAS_MISCDEV(MICROCODE_MINOR);
+#else
+#define microcode_dev_init() 0
+#define microcode_dev_exit() do { } while(0)
+#endif
+
+static long get_next_ucode_from_buffer(void **mc, void *buf,
+	unsigned long size, long offset)
+{
+	microcode_header_t *mc_header;
+	unsigned long total_size;
+
+	/* No more data */
+	if (offset >= size)
+		return 0;
+	mc_header = (microcode_header_t *)(buf + offset);
+	total_size = get_totalsize(mc_header);
+
+	if (offset + total_size > size) {
+		printk(KERN_ERR "microcode: error! Bad data in microcode data file\n");
+		return -EINVAL;
+	}
+
+	*mc = vmalloc(total_size);
+	if (!*mc) {
+		printk(KERN_ERR "microcode: error! Can not allocate memory\n");
+		return -ENOMEM;
+	}
+	memcpy(*mc, buf + offset, total_size);
+	return offset + total_size;
+}
+
+/* fake device for request_firmware */
+static struct platform_device *microcode_pdev;
+
+static int cpu_request_microcode(int cpu)
+{
+	char name[30];
+	struct cpuinfo_x86 *c = cpu_data + cpu;
+	const struct firmware *firmware;
+	void *buf;
+	unsigned long size;
+	long offset = 0;
+	int error;
+	void *mc;
+
+	/* We should bind the task to the CPU */
+	BUG_ON(cpu != raw_smp_processor_id());
+	sprintf(name,"intel-ucode/%02x-%02x-%02x",
+		c->x86, c->x86_model, c->x86_mask);
+	error = request_firmware(&firmware, name, &microcode_pdev->dev);
+	if (error) {
+		pr_debug("ucode data file %s load failed\n", name);
+		return error;
+	}
+	buf = (void *)firmware->data;
+	size = firmware->size;
+	while ((offset = get_next_ucode_from_buffer(&mc, buf, size, offset))
+			> 0) {
+		error = microcode_sanity_check(mc);
+		if (error)
+			break;
+		error = get_maching_microcode(mc, cpu);
+		if (error < 0)
+			break;
+		/*
+		 * It's possible the data file has multiple matching ucode,
+		 * lets keep searching till the latest version
+		 */
+		if (error == 1) {
+			apply_microcode(cpu);
+			error = 0;
+		}
+		vfree(mc);
+	}
+	if (offset > 0)
+		vfree(mc);
+	if (offset < 0)
+		error = offset;
+	release_firmware(firmware);
+
+	return error;
+}
+
+static void microcode_init_cpu(int cpu)
+{
+	cpumask_t old;
+	struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+
+	old = current->cpus_allowed;
+
+	set_cpus_allowed(current, cpumask_of_cpu(cpu));
+	mutex_lock(&microcode_mutex);
+	collect_cpu_info(cpu);
+	if (uci->valid)
+		cpu_request_microcode(cpu);
+	mutex_unlock(&microcode_mutex);
+	set_cpus_allowed(current, old);
+}
+
+static void microcode_fini_cpu(int cpu)
+{
+	struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+
+	mutex_lock(&microcode_mutex);
+	uci->valid = 0;
+	vfree(uci->mc);
+	uci->mc = NULL;
+	mutex_unlock(&microcode_mutex);
+}
+
+static ssize_t reload_store(struct sys_device *dev, const char *buf, size_t sz)
+{
+	struct ucode_cpu_info *uci = ucode_cpu_info + dev->id;
+	char *end;
+	unsigned long val = simple_strtoul(buf, &end, 0);
+	int err = 0;
+	int cpu = dev->id;
+
+	if (end == buf)
+		return -EINVAL;
+	if (val == 1) {
+		cpumask_t old;
+
+		old = current->cpus_allowed;
+
+		lock_cpu_hotplug();
+		set_cpus_allowed(current, cpumask_of_cpu(cpu));
+
+		mutex_lock(&microcode_mutex);
+		if (uci->valid)
+			err = cpu_request_microcode(cpu);
+		mutex_unlock(&microcode_mutex);
+		unlock_cpu_hotplug();
+		set_cpus_allowed(current, old);
+	}
+	if (err)
+		return err;
+	return sz;
+}
+
+static ssize_t version_show(struct sys_device *dev, char *buf)
+{
+	struct ucode_cpu_info *uci = ucode_cpu_info + dev->id;
+
+	return sprintf(buf, "0x%x\n", uci->rev);
+}
+
+static ssize_t pf_show(struct sys_device *dev, char *buf)
+{
+	struct ucode_cpu_info *uci = ucode_cpu_info + dev->id;
+
+	return sprintf(buf, "0x%x\n", uci->pf);
+}
+
+static SYSDEV_ATTR(reload, 0200, NULL, reload_store);
+static SYSDEV_ATTR(version, 0400, version_show, NULL);
+static SYSDEV_ATTR(processor_flags, 0400, pf_show, NULL);
+
+static struct attribute *mc_default_attrs[] = {
+	&attr_reload.attr,
+	&attr_version.attr,
+	&attr_processor_flags.attr,
+	NULL
+};
+
+static struct attribute_group mc_attr_group = {
+	.attrs = mc_default_attrs,
+	.name = "microcode",
+};
+
+static int mc_sysdev_add(struct sys_device *sys_dev)
+{
+	int cpu = sys_dev->id;
+	struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
+
+	if (!cpu_online(cpu))
+		return 0;
+	pr_debug("Microcode:CPU %d added\n", cpu);
+	memset(uci, 0, sizeof(*uci));
+	sysfs_create_group(&sys_dev->kobj, &mc_attr_group);
+
+	microcode_init_cpu(cpu);
+	return 0;
+}
+
+static int mc_sysdev_remove(struct sys_device *sys_dev)
+{
+	int cpu = sys_dev->id;
+
+	if (!cpu_online(cpu))
+		return 0;
+	pr_debug("Microcode:CPU %d removed\n", cpu);
+	microcode_fini_cpu(cpu);
+	sysfs_remove_group(&sys_dev->kobj, &mc_attr_group);
+	return 0;
+}
+
+static int mc_sysdev_resume(struct sys_device *dev)
+{
+	int cpu = dev->id;
+
+	if (!cpu_online(cpu))
+		return 0;
+	pr_debug("Microcode:CPU %d resumed\n", cpu);
+	/* only CPU 0 will apply ucode here */
+	apply_microcode(0);
+	return 0;
+}
+
+static struct sysdev_driver mc_sysdev_driver = {
+	.add = mc_sysdev_add,
+	.remove = mc_sysdev_remove,
+	.resume = mc_sysdev_resume,
+};
+
+#ifdef CONFIG_HOTPLUG_CPU
+static __cpuinit int
+mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
+{
+	unsigned int cpu = (unsigned long)hcpu;
+	struct sys_device *sys_dev;
+
+	sys_dev = get_cpu_sysdev(cpu);
+	switch (action) {
+	case CPU_ONLINE:
+	case CPU_DOWN_FAILED:
+		mc_sysdev_add(sys_dev);
+		break;
+	case CPU_DOWN_PREPARE:
+		mc_sysdev_remove(sys_dev);
+		break;
+	}
+	return NOTIFY_OK;
+}
+
+static struct notifier_block mc_cpu_notifier = {
+	.notifier_call = mc_cpu_callback,
+};
+#endif
+
+static int __init microcode_init (void)
+{
+	int error;
+
+	error = microcode_dev_init();
+	if (error)
+		return error;
+	microcode_pdev = platform_device_register_simple("microcode", -1,
+							 NULL, 0);
+	if (IS_ERR(microcode_pdev)) {
+		microcode_dev_exit();
+		return PTR_ERR(microcode_pdev);
+	}
+
+	lock_cpu_hotplug();
+	error = sysdev_driver_register(&cpu_sysdev_class, &mc_sysdev_driver);
+	unlock_cpu_hotplug();
+	if (error) {
+		microcode_dev_exit();
+		platform_device_unregister(microcode_pdev);
+		return error;
+	}
+
+	register_hotcpu_notifier(&mc_cpu_notifier);
+
 	printk(KERN_INFO 
 		"IA-32 Microcode Update Driver: v" MICROCODE_VERSION " <tigran@veritas.com>\n");
 	return 0;
@@ -515,9 +756,16 @@ static int __init microcode_init (void)
 
 static void __exit microcode_exit (void)
 {
-	misc_deregister(&microcode_dev);
+	microcode_dev_exit();
+
+	unregister_hotcpu_notifier(&mc_cpu_notifier);
+
+	lock_cpu_hotplug();
+	sysdev_driver_unregister(&cpu_sysdev_class, &mc_sysdev_driver);
+	unlock_cpu_hotplug();
+
+	platform_device_unregister(microcode_pdev);
 }
 
 module_init(microcode_init)
 module_exit(microcode_exit)
-MODULE_ALIAS_MISCDEV(MICROCODE_MINOR);
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index a70b5fa0ef06..442aaf8c77eb 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -30,6 +30,7 @@
 #include <asm/io_apic.h>
 
 #include <mach_apic.h>
+#include <mach_apicdef.h>
 #include <mach_mpparse.h>
 #include <bios_ebda.h>
 
@@ -68,7 +69,7 @@ unsigned int def_to_bigsmp = 0;
 /* Processor that is doing the boot up */
 unsigned int boot_cpu_physical_apicid = -1U;
 /* Internal processor count */
-static unsigned int __devinitdata num_processors;
+unsigned int __cpuinitdata num_processors;
 
 /* Bitmask of physically existing CPUs */
 physid_mask_t phys_cpu_present_map;
@@ -228,12 +229,14 @@ static void __init MP_bus_info (struct mpc_config_bus *m)
 
 	mpc_oem_bus_info(m, str, translation_table[mpc_record]);
 
+#if MAX_MP_BUSSES < 256
 	if (m->mpc_busid >= MAX_MP_BUSSES) {
 		printk(KERN_WARNING "MP table busid value (%d) for bustype %s "
 			" is too large, max. supported is %d\n",
 			m->mpc_busid, str, MAX_MP_BUSSES - 1);
 		return;
 	}
+#endif
 
 	if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA)-1) == 0) {
 		mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA;
@@ -293,19 +296,6 @@ static void __init MP_lintsrc_info (struct mpc_config_lintsrc *m)
 			m->mpc_irqtype, m->mpc_irqflag & 3,
 			(m->mpc_irqflag >> 2) &3, m->mpc_srcbusid,
 			m->mpc_srcbusirq, m->mpc_destapic, m->mpc_destapiclint);
-	/*
-	 * Well it seems all SMP boards in existence
-	 * use ExtINT/LVT1 == LINT0 and
-	 * NMI/LVT2 == LINT1 - the following check
-	 * will show us if this assumptions is false.
-	 * Until then we do not have to add baggage.
-	 */
-	if ((m->mpc_irqtype == mp_ExtINT) &&
-		(m->mpc_destapiclint != 0))
-			BUG();
-	if ((m->mpc_irqtype == mp_NMI) &&
-		(m->mpc_destapiclint != 1))
-			BUG();
 }
 
 #ifdef CONFIG_X86_NUMAQ
@@ -822,8 +812,7 @@ int es7000_plat;
 
 #ifdef CONFIG_ACPI
 
-void __init mp_register_lapic_address (
-	u64			address)
+void __init mp_register_lapic_address(u64 address)
 {
 	mp_lapic_addr = (unsigned long) address;
 
@@ -835,13 +824,10 @@ void __init mp_register_lapic_address (
 	Dprintk("Boot CPU = %d\n", boot_cpu_physical_apicid);
 }
 
-
-void __devinit mp_register_lapic (
-	u8			id, 
-	u8			enabled)
+void __devinit mp_register_lapic (u8 id, u8 enabled)
 {
 	struct mpc_config_processor processor;
-	int			boot_cpu = 0;
+	int boot_cpu = 0;
 	
 	if (MAX_APICS - id <= 0) {
 		printk(KERN_WARNING "Processor #%d invalid (max %d)\n",
@@ -878,11 +864,9 @@ static struct mp_ioapic_routing {
 	u32			pin_programmed[4];
 } mp_ioapic_routing[MAX_IO_APICS];
 
-
-static int mp_find_ioapic (
-	int			gsi)
+static int mp_find_ioapic (int gsi)
 {
-	int			i = 0;
+	int i = 0;
 
 	/* Find the IOAPIC that manages this GSI. */
 	for (i = 0; i < nr_ioapics; i++) {
@@ -895,15 +879,11 @@ static int mp_find_ioapic (
 
 	return -1;
 }
-	
 
-void __init mp_register_ioapic (
-	u8			id, 
-	u32			address,
-	u32			gsi_base)
+void __init mp_register_ioapic(u8 id, u32 address, u32 gsi_base)
 {
-	int			idx = 0;
-	int			tmpid;
+	int idx = 0;
+	int tmpid;
 
 	if (nr_ioapics >= MAX_IO_APICS) {
 		printk(KERN_ERR "ERROR: Max # of I/O APICs (%d) exceeded "
@@ -949,16 +929,10 @@ void __init mp_register_ioapic (
 		mp_ioapics[idx].mpc_apicver, mp_ioapics[idx].mpc_apicaddr,
 		mp_ioapic_routing[idx].gsi_base,
 		mp_ioapic_routing[idx].gsi_end);
-
-	return;
 }
 
-
-void __init mp_override_legacy_irq (
-	u8			bus_irq,
-	u8			polarity, 
-	u8			trigger, 
-	u32			gsi)
+void __init
+mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32 gsi)
 {
 	struct mpc_config_intsrc intsrc;
 	int			ioapic = -1;
@@ -996,15 +970,13 @@ void __init mp_override_legacy_irq (
 	mp_irqs[mp_irq_entries] = intsrc;
 	if (++mp_irq_entries == MAX_IRQ_SOURCES)
 		panic("Max # of irq sources exceeded!\n");
-
-	return;
 }
 
 void __init mp_config_acpi_legacy_irqs (void)
 {
 	struct mpc_config_intsrc intsrc;
-	int			i = 0;
-	int			ioapic = -1;
+	int i = 0;
+	int ioapic = -1;
 
 	/* 
 	 * Fabricate the legacy ISA bus (bus #31).
@@ -1073,12 +1045,12 @@ void __init mp_config_acpi_legacy_irqs (void)
 
 #define MAX_GSI_NUM	4096
 
-int mp_register_gsi (u32 gsi, int triggering, int polarity)
+int mp_register_gsi(u32 gsi, int triggering, int polarity)
 {
-	int			ioapic = -1;
-	int			ioapic_pin = 0;
-	int			idx, bit = 0;
-	static int		pci_irq = 16;
+	int ioapic = -1;
+	int ioapic_pin = 0;
+	int idx, bit = 0;
+	static int pci_irq = 16;
 	/*
 	 * Mapping between Global System Interrups, which
 	 * represent all possible interrupts, and IRQs
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index acb351478e42..dbda706fdd14 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -21,83 +21,174 @@
 #include <linux/sysdev.h>
 #include <linux/sysctl.h>
 #include <linux/percpu.h>
+#include <linux/dmi.h>
+#include <linux/kprobes.h>
 
 #include <asm/smp.h>
 #include <asm/nmi.h>
+#include <asm/kdebug.h>
 #include <asm/intel_arch_perfmon.h>
 
 #include "mach_traps.h"
 
-unsigned int nmi_watchdog = NMI_NONE;
-extern int unknown_nmi_panic;
-static unsigned int nmi_hz = HZ;
-static unsigned int nmi_perfctr_msr;	/* the MSR to reset in NMI handler */
-static unsigned int nmi_p4_cccr_val;
-extern void show_registers(struct pt_regs *regs);
+/* perfctr_nmi_owner tracks the ownership of the perfctr registers:
+ * evtsel_nmi_owner tracks the ownership of the event selection
+ * - different performance counters/ event selection may be reserved for
+ *   different subsystems this reservation system just tries to coordinate
+ *   things a little
+ */
+static DEFINE_PER_CPU(unsigned long, perfctr_nmi_owner);
+static DEFINE_PER_CPU(unsigned long, evntsel_nmi_owner[3]);
 
-/*
- * lapic_nmi_owner tracks the ownership of the lapic NMI hardware:
- * - it may be reserved by some other driver, or not
- * - when not reserved by some other driver, it may be used for
- *   the NMI watchdog, or not
- *
- * This is maintained separately from nmi_active because the NMI
- * watchdog may also be driven from the I/O APIC timer.
+/* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's
+ * offset from MSR_P4_BSU_ESCR0.  It will be the max for all platforms (for now)
  */
-static DEFINE_SPINLOCK(lapic_nmi_owner_lock);
-static unsigned int lapic_nmi_owner;
-#define LAPIC_NMI_WATCHDOG	(1<<0)
-#define LAPIC_NMI_RESERVED	(1<<1)
+#define NMI_MAX_COUNTER_BITS 66
 
 /* nmi_active:
- * +1: the lapic NMI watchdog is active, but can be disabled
- *  0: the lapic NMI watchdog has not been set up, and cannot
+ * >0: the lapic NMI watchdog is active, but can be disabled
+ * <0: the lapic NMI watchdog has not been set up, and cannot
  *     be enabled
- * -1: the lapic NMI watchdog is disabled, but can be enabled
+ *  0: the lapic NMI watchdog is disabled, but can be enabled
  */
-int nmi_active;
+atomic_t nmi_active = ATOMIC_INIT(0);		/* oprofile uses this */
 
-#define K7_EVNTSEL_ENABLE	(1 << 22)
-#define K7_EVNTSEL_INT		(1 << 20)
-#define K7_EVNTSEL_OS		(1 << 17)
-#define K7_EVNTSEL_USR		(1 << 16)
-#define K7_EVENT_CYCLES_PROCESSOR_IS_RUNNING	0x76
-#define K7_NMI_EVENT		K7_EVENT_CYCLES_PROCESSOR_IS_RUNNING
+unsigned int nmi_watchdog = NMI_DEFAULT;
+static unsigned int nmi_hz = HZ;
 
-#define P6_EVNTSEL0_ENABLE	(1 << 22)
-#define P6_EVNTSEL_INT		(1 << 20)
-#define P6_EVNTSEL_OS		(1 << 17)
-#define P6_EVNTSEL_USR		(1 << 16)
-#define P6_EVENT_CPU_CLOCKS_NOT_HALTED	0x79
-#define P6_NMI_EVENT		P6_EVENT_CPU_CLOCKS_NOT_HALTED
+struct nmi_watchdog_ctlblk {
+	int enabled;
+	u64 check_bit;
+	unsigned int cccr_msr;
+	unsigned int perfctr_msr;  /* the MSR to reset in NMI handler */
+	unsigned int evntsel_msr;  /* the MSR to select the events to handle */
+};
+static DEFINE_PER_CPU(struct nmi_watchdog_ctlblk, nmi_watchdog_ctlblk);
 
-#define MSR_P4_MISC_ENABLE	0x1A0
-#define MSR_P4_MISC_ENABLE_PERF_AVAIL	(1<<7)
-#define MSR_P4_MISC_ENABLE_PEBS_UNAVAIL	(1<<12)
-#define MSR_P4_PERFCTR0		0x300
-#define MSR_P4_CCCR0		0x360
-#define P4_ESCR_EVENT_SELECT(N)	((N)<<25)
-#define P4_ESCR_OS		(1<<3)
-#define P4_ESCR_USR		(1<<2)
-#define P4_CCCR_OVF_PMI0	(1<<26)
-#define P4_CCCR_OVF_PMI1	(1<<27)
-#define P4_CCCR_THRESHOLD(N)	((N)<<20)
-#define P4_CCCR_COMPLEMENT	(1<<19)
-#define P4_CCCR_COMPARE		(1<<18)
-#define P4_CCCR_REQUIRED	(3<<16)
-#define P4_CCCR_ESCR_SELECT(N)	((N)<<13)
-#define P4_CCCR_ENABLE		(1<<12)
-/* Set up IQ_COUNTER0 to behave like a clock, by having IQ_CCCR0 filter
-   CRU_ESCR0 (with any non-null event selector) through a complemented
-   max threshold. [IA32-Vol3, Section 14.9.9] */
-#define MSR_P4_IQ_COUNTER0	0x30C
-#define P4_NMI_CRU_ESCR0	(P4_ESCR_EVENT_SELECT(0x3F)|P4_ESCR_OS|P4_ESCR_USR)
-#define P4_NMI_IQ_CCCR0	\
-	(P4_CCCR_OVF_PMI0|P4_CCCR_THRESHOLD(15)|P4_CCCR_COMPLEMENT|	\
-	 P4_CCCR_COMPARE|P4_CCCR_REQUIRED|P4_CCCR_ESCR_SELECT(4)|P4_CCCR_ENABLE)
+/* local prototypes */
+static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu);
 
-#define ARCH_PERFMON_NMI_EVENT_SEL	ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL
-#define ARCH_PERFMON_NMI_EVENT_UMASK	ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK
+extern void show_registers(struct pt_regs *regs);
+extern int unknown_nmi_panic;
+
+/* converts an msr to an appropriate reservation bit */
+static inline unsigned int nmi_perfctr_msr_to_bit(unsigned int msr)
+{
+	/* returns the bit offset of the performance counter register */
+	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_AMD:
+		return (msr - MSR_K7_PERFCTR0);
+	case X86_VENDOR_INTEL:
+		if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON))
+			return (msr - MSR_ARCH_PERFMON_PERFCTR0);
+
+		switch (boot_cpu_data.x86) {
+		case 6:
+			return (msr - MSR_P6_PERFCTR0);
+		case 15:
+			return (msr - MSR_P4_BPU_PERFCTR0);
+		}
+	}
+	return 0;
+}
+
+/* converts an msr to an appropriate reservation bit */
+static inline unsigned int nmi_evntsel_msr_to_bit(unsigned int msr)
+{
+	/* returns the bit offset of the event selection register */
+	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_AMD:
+		return (msr - MSR_K7_EVNTSEL0);
+	case X86_VENDOR_INTEL:
+		if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON))
+			return (msr - MSR_ARCH_PERFMON_EVENTSEL0);
+
+		switch (boot_cpu_data.x86) {
+		case 6:
+			return (msr - MSR_P6_EVNTSEL0);
+		case 15:
+			return (msr - MSR_P4_BSU_ESCR0);
+		}
+	}
+	return 0;
+}
+
+/* checks for a bit availability (hack for oprofile) */
+int avail_to_resrv_perfctr_nmi_bit(unsigned int counter)
+{
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	return (!test_bit(counter, &__get_cpu_var(perfctr_nmi_owner)));
+}
+
+/* checks the an msr for availability */
+int avail_to_resrv_perfctr_nmi(unsigned int msr)
+{
+	unsigned int counter;
+
+	counter = nmi_perfctr_msr_to_bit(msr);
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	return (!test_bit(counter, &__get_cpu_var(perfctr_nmi_owner)));
+}
+
+int reserve_perfctr_nmi(unsigned int msr)
+{
+	unsigned int counter;
+
+	counter = nmi_perfctr_msr_to_bit(msr);
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	if (!test_and_set_bit(counter, &__get_cpu_var(perfctr_nmi_owner)))
+		return 1;
+	return 0;
+}
+
+void release_perfctr_nmi(unsigned int msr)
+{
+	unsigned int counter;
+
+	counter = nmi_perfctr_msr_to_bit(msr);
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	clear_bit(counter, &__get_cpu_var(perfctr_nmi_owner));
+}
+
+int reserve_evntsel_nmi(unsigned int msr)
+{
+	unsigned int counter;
+
+	counter = nmi_evntsel_msr_to_bit(msr);
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	if (!test_and_set_bit(counter, &__get_cpu_var(evntsel_nmi_owner)[0]))
+		return 1;
+	return 0;
+}
+
+void release_evntsel_nmi(unsigned int msr)
+{
+	unsigned int counter;
+
+	counter = nmi_evntsel_msr_to_bit(msr);
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	clear_bit(counter, &__get_cpu_var(evntsel_nmi_owner)[0]);
+}
+
+static __cpuinit inline int nmi_known_cpu(void)
+{
+	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_AMD:
+		return ((boot_cpu_data.x86 == 15) || (boot_cpu_data.x86 == 6));
+	case X86_VENDOR_INTEL:
+		if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON))
+			return 1;
+		else
+			return ((boot_cpu_data.x86 == 15) || (boot_cpu_data.x86 == 6));
+	}
+	return 0;
+}
 
 #ifdef CONFIG_SMP
 /* The performance counters used by NMI_LOCAL_APIC don't trigger when
@@ -125,7 +216,18 @@ static int __init check_nmi_watchdog(void)
 	unsigned int *prev_nmi_count;
 	int cpu;
 
-	if (nmi_watchdog == NMI_NONE)
+	/* Enable NMI watchdog for newer systems.
+           Actually it should be safe for most systems before 2004 too except
+	   for some IBM systems that corrupt registers when NMI happens
+	   during SMM. Unfortunately we don't have more exact information
+ 	   on these and use this coarse check. */
+	if (nmi_watchdog == NMI_DEFAULT && dmi_get_year(DMI_BIOS_DATE) >= 2004)
+		nmi_watchdog = NMI_LOCAL_APIC;
+
+	if ((nmi_watchdog == NMI_NONE) || (nmi_watchdog == NMI_DEFAULT))
+		return 0;
+
+	if (!atomic_read(&nmi_active))
 		return 0;
 
 	prev_nmi_count = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL);
@@ -149,25 +251,45 @@ static int __init check_nmi_watchdog(void)
 		if (!cpu_isset(cpu, cpu_callin_map))
 			continue;
 #endif
+		if (!per_cpu(nmi_watchdog_ctlblk, cpu).enabled)
+			continue;
 		if (nmi_count(cpu) - prev_nmi_count[cpu] <= 5) {
-			endflag = 1;
 			printk("CPU#%d: NMI appears to be stuck (%d->%d)!\n",
 				cpu,
 				prev_nmi_count[cpu],
 				nmi_count(cpu));
-			nmi_active = 0;
-			lapic_nmi_owner &= ~LAPIC_NMI_WATCHDOG;
-			kfree(prev_nmi_count);
-			return -1;
+			per_cpu(nmi_watchdog_ctlblk, cpu).enabled = 0;
+			atomic_dec(&nmi_active);
 		}
 	}
+	if (!atomic_read(&nmi_active)) {
+		kfree(prev_nmi_count);
+		atomic_set(&nmi_active, -1);
+		return -1;
+	}
 	endflag = 1;
 	printk("OK.\n");
 
 	/* now that we know it works we can reduce NMI frequency to
 	   something more reasonable; makes a difference in some configs */
-	if (nmi_watchdog == NMI_LOCAL_APIC)
+	if (nmi_watchdog == NMI_LOCAL_APIC) {
+		struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
 		nmi_hz = 1;
+		/*
+		 * On Intel CPUs with ARCH_PERFMON only 32 bits in the counter
+		 * are writable, with higher bits sign extending from bit 31.
+		 * So, we can only program the counter with 31 bit values and
+		 * 32nd bit should be 1, for 33.. to be 1.
+		 * Find the appropriate nmi_hz
+		 */
+	 	if (wd->perfctr_msr == MSR_ARCH_PERFMON_PERFCTR0 &&
+			((u64)cpu_khz * 1000) > 0x7fffffffULL) {
+			u64 count = (u64)cpu_khz * 1000;
+			do_div(count, 0x7fffffffUL);
+			nmi_hz = count + 1;
+		}
+	}
 
 	kfree(prev_nmi_count);
 	return 0;
@@ -181,124 +303,70 @@ static int __init setup_nmi_watchdog(char *str)
 
 	get_option(&str, &nmi);
 
-	if (nmi >= NMI_INVALID)
+	if ((nmi >= NMI_INVALID) || (nmi < NMI_NONE))
 		return 0;
-	if (nmi == NMI_NONE)
-		nmi_watchdog = nmi;
 	/*
 	 * If any other x86 CPU has a local APIC, then
 	 * please test the NMI stuff there and send me the
 	 * missing bits. Right now Intel P6/P4 and AMD K7 only.
 	 */
-	if ((nmi == NMI_LOCAL_APIC) &&
-			(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) &&
-			(boot_cpu_data.x86 == 6 || boot_cpu_data.x86 == 15))
-		nmi_watchdog = nmi;
-	if ((nmi == NMI_LOCAL_APIC) &&
-			(boot_cpu_data.x86_vendor == X86_VENDOR_AMD) &&
-	  		(boot_cpu_data.x86 == 6 || boot_cpu_data.x86 == 15))
-		nmi_watchdog = nmi;
-	/*
-	 * We can enable the IO-APIC watchdog
-	 * unconditionally.
-	 */
-	if (nmi == NMI_IO_APIC) {
-		nmi_active = 1;
-		nmi_watchdog = nmi;
-	}
+	if ((nmi == NMI_LOCAL_APIC) && (nmi_known_cpu() == 0))
+		return 0;  /* no lapic support */
+	nmi_watchdog = nmi;
 	return 1;
 }
 
 __setup("nmi_watchdog=", setup_nmi_watchdog);
 
-static void disable_intel_arch_watchdog(void);
-
 static void disable_lapic_nmi_watchdog(void)
 {
-	if (nmi_active <= 0)
+	BUG_ON(nmi_watchdog != NMI_LOCAL_APIC);
+
+	if (atomic_read(&nmi_active) <= 0)
 		return;
-	switch (boot_cpu_data.x86_vendor) {
-	case X86_VENDOR_AMD:
-		wrmsr(MSR_K7_EVNTSEL0, 0, 0);
-		break;
-	case X86_VENDOR_INTEL:
-		if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
-			disable_intel_arch_watchdog();
-			break;
-		}
-		switch (boot_cpu_data.x86) {
-		case 6:
-			if (boot_cpu_data.x86_model > 0xd)
-				break;
 
-			wrmsr(MSR_P6_EVNTSEL0, 0, 0);
-			break;
-		case 15:
-			if (boot_cpu_data.x86_model > 0x4)
-				break;
+	on_each_cpu(stop_apic_nmi_watchdog, NULL, 0, 1);
 
-			wrmsr(MSR_P4_IQ_CCCR0, 0, 0);
-			wrmsr(MSR_P4_CRU_ESCR0, 0, 0);
-			break;
-		}
-		break;
-	}
-	nmi_active = -1;
-	/* tell do_nmi() and others that we're not active any more */
-	nmi_watchdog = 0;
+	BUG_ON(atomic_read(&nmi_active) != 0);
 }
 
 static void enable_lapic_nmi_watchdog(void)
 {
-	if (nmi_active < 0) {
-		nmi_watchdog = NMI_LOCAL_APIC;
-		setup_apic_nmi_watchdog();
-	}
-}
+	BUG_ON(nmi_watchdog != NMI_LOCAL_APIC);
 
-int reserve_lapic_nmi(void)
-{
-	unsigned int old_owner;
-
-	spin_lock(&lapic_nmi_owner_lock);
-	old_owner = lapic_nmi_owner;
-	lapic_nmi_owner |= LAPIC_NMI_RESERVED;
-	spin_unlock(&lapic_nmi_owner_lock);
-	if (old_owner & LAPIC_NMI_RESERVED)
-		return -EBUSY;
-	if (old_owner & LAPIC_NMI_WATCHDOG)
-		disable_lapic_nmi_watchdog();
-	return 0;
-}
+	/* are we already enabled */
+	if (atomic_read(&nmi_active) != 0)
+		return;
 
-void release_lapic_nmi(void)
-{
-	unsigned int new_owner;
+	/* are we lapic aware */
+	if (nmi_known_cpu() <= 0)
+		return;
 
-	spin_lock(&lapic_nmi_owner_lock);
-	new_owner = lapic_nmi_owner & ~LAPIC_NMI_RESERVED;
-	lapic_nmi_owner = new_owner;
-	spin_unlock(&lapic_nmi_owner_lock);
-	if (new_owner & LAPIC_NMI_WATCHDOG)
-		enable_lapic_nmi_watchdog();
+	on_each_cpu(setup_apic_nmi_watchdog, NULL, 0, 1);
+	touch_nmi_watchdog();
 }
 
 void disable_timer_nmi_watchdog(void)
 {
-	if ((nmi_watchdog != NMI_IO_APIC) || (nmi_active <= 0))
+	BUG_ON(nmi_watchdog != NMI_IO_APIC);
+
+	if (atomic_read(&nmi_active) <= 0)
 		return;
 
-	unset_nmi_callback();
-	nmi_active = -1;
-	nmi_watchdog = NMI_NONE;
+	disable_irq(0);
+	on_each_cpu(stop_apic_nmi_watchdog, NULL, 0, 1);
+
+	BUG_ON(atomic_read(&nmi_active) != 0);
 }
 
 void enable_timer_nmi_watchdog(void)
 {
-	if (nmi_active < 0) {
-		nmi_watchdog = NMI_IO_APIC;
+	BUG_ON(nmi_watchdog != NMI_IO_APIC);
+
+	if (atomic_read(&nmi_active) == 0) {
 		touch_nmi_watchdog();
-		nmi_active = 1;
+		on_each_cpu(setup_apic_nmi_watchdog, NULL, 0, 1);
+		enable_irq(0);
 	}
 }
 
@@ -308,15 +376,20 @@ static int nmi_pm_active; /* nmi_active before suspend */
 
 static int lapic_nmi_suspend(struct sys_device *dev, pm_message_t state)
 {
-	nmi_pm_active = nmi_active;
-	disable_lapic_nmi_watchdog();
+	/* only CPU0 goes here, other CPUs should be offline */
+	nmi_pm_active = atomic_read(&nmi_active);
+	stop_apic_nmi_watchdog(NULL);
+	BUG_ON(atomic_read(&nmi_active) != 0);
 	return 0;
 }
 
 static int lapic_nmi_resume(struct sys_device *dev)
 {
-	if (nmi_pm_active > 0)
-		enable_lapic_nmi_watchdog();
+	/* only CPU0 goes here, other CPUs should be offline */
+	if (nmi_pm_active > 0) {
+		setup_apic_nmi_watchdog(NULL);
+		touch_nmi_watchdog();
+	}
 	return 0;
 }
 
@@ -336,7 +409,13 @@ static int __init init_lapic_nmi_sysfs(void)
 {
 	int error;
 
-	if (nmi_active == 0 || nmi_watchdog != NMI_LOCAL_APIC)
+	/* should really be a BUG_ON but b/c this is an
+	 * init call, it just doesn't work.  -dcz
+	 */
+	if (nmi_watchdog != NMI_LOCAL_APIC)
+		return 0;
+
+	if ( atomic_read(&nmi_active) < 0 )
 		return 0;
 
 	error = sysdev_class_register(&nmi_sysclass);
@@ -354,138 +433,269 @@ late_initcall(init_lapic_nmi_sysfs);
  * Original code written by Keith Owens.
  */
 
-static void clear_msr_range(unsigned int base, unsigned int n)
-{
-	unsigned int i;
-
-	for(i = 0; i < n; ++i)
-		wrmsr(base+i, 0, 0);
-}
-
-static void write_watchdog_counter(const char *descr)
+static void write_watchdog_counter(unsigned int perfctr_msr, const char *descr)
 {
 	u64 count = (u64)cpu_khz * 1000;
 
 	do_div(count, nmi_hz);
 	if(descr)
 		Dprintk("setting %s to -0x%08Lx\n", descr, count);
-	wrmsrl(nmi_perfctr_msr, 0 - count);
+	wrmsrl(perfctr_msr, 0 - count);
 }
 
-static void setup_k7_watchdog(void)
+/* Note that these events don't tick when the CPU idles. This means
+   the frequency varies with CPU load. */
+
+#define K7_EVNTSEL_ENABLE	(1 << 22)
+#define K7_EVNTSEL_INT		(1 << 20)
+#define K7_EVNTSEL_OS		(1 << 17)
+#define K7_EVNTSEL_USR		(1 << 16)
+#define K7_EVENT_CYCLES_PROCESSOR_IS_RUNNING	0x76
+#define K7_NMI_EVENT		K7_EVENT_CYCLES_PROCESSOR_IS_RUNNING
+
+static int setup_k7_watchdog(void)
 {
+	unsigned int perfctr_msr, evntsel_msr;
 	unsigned int evntsel;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
+	perfctr_msr = MSR_K7_PERFCTR0;
+	evntsel_msr = MSR_K7_EVNTSEL0;
+	if (!reserve_perfctr_nmi(perfctr_msr))
+		goto fail;
 
-	nmi_perfctr_msr = MSR_K7_PERFCTR0;
+	if (!reserve_evntsel_nmi(evntsel_msr))
+		goto fail1;
 
-	clear_msr_range(MSR_K7_EVNTSEL0, 4);
-	clear_msr_range(MSR_K7_PERFCTR0, 4);
+	wrmsrl(perfctr_msr, 0UL);
 
 	evntsel = K7_EVNTSEL_INT
 		| K7_EVNTSEL_OS
 		| K7_EVNTSEL_USR
 		| K7_NMI_EVENT;
 
-	wrmsr(MSR_K7_EVNTSEL0, evntsel, 0);
-	write_watchdog_counter("K7_PERFCTR0");
+	/* setup the timer */
+	wrmsr(evntsel_msr, evntsel, 0);
+	write_watchdog_counter(perfctr_msr, "K7_PERFCTR0");
 	apic_write(APIC_LVTPC, APIC_DM_NMI);
 	evntsel |= K7_EVNTSEL_ENABLE;
-	wrmsr(MSR_K7_EVNTSEL0, evntsel, 0);
+	wrmsr(evntsel_msr, evntsel, 0);
+
+	wd->perfctr_msr = perfctr_msr;
+	wd->evntsel_msr = evntsel_msr;
+	wd->cccr_msr = 0;  //unused
+	wd->check_bit = 1ULL<<63;
+	return 1;
+fail1:
+	release_perfctr_nmi(perfctr_msr);
+fail:
+	return 0;
+}
+
+static void stop_k7_watchdog(void)
+{
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
+	wrmsr(wd->evntsel_msr, 0, 0);
+
+	release_evntsel_nmi(wd->evntsel_msr);
+	release_perfctr_nmi(wd->perfctr_msr);
 }
 
-static void setup_p6_watchdog(void)
+#define P6_EVNTSEL0_ENABLE	(1 << 22)
+#define P6_EVNTSEL_INT		(1 << 20)
+#define P6_EVNTSEL_OS		(1 << 17)
+#define P6_EVNTSEL_USR		(1 << 16)
+#define P6_EVENT_CPU_CLOCKS_NOT_HALTED	0x79
+#define P6_NMI_EVENT		P6_EVENT_CPU_CLOCKS_NOT_HALTED
+
+static int setup_p6_watchdog(void)
 {
+	unsigned int perfctr_msr, evntsel_msr;
 	unsigned int evntsel;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
+	perfctr_msr = MSR_P6_PERFCTR0;
+	evntsel_msr = MSR_P6_EVNTSEL0;
+	if (!reserve_perfctr_nmi(perfctr_msr))
+		goto fail;
 
-	nmi_perfctr_msr = MSR_P6_PERFCTR0;
+	if (!reserve_evntsel_nmi(evntsel_msr))
+		goto fail1;
 
-	clear_msr_range(MSR_P6_EVNTSEL0, 2);
-	clear_msr_range(MSR_P6_PERFCTR0, 2);
+	wrmsrl(perfctr_msr, 0UL);
 
 	evntsel = P6_EVNTSEL_INT
 		| P6_EVNTSEL_OS
 		| P6_EVNTSEL_USR
 		| P6_NMI_EVENT;
 
-	wrmsr(MSR_P6_EVNTSEL0, evntsel, 0);
-	write_watchdog_counter("P6_PERFCTR0");
+	/* setup the timer */
+	wrmsr(evntsel_msr, evntsel, 0);
+	write_watchdog_counter(perfctr_msr, "P6_PERFCTR0");
 	apic_write(APIC_LVTPC, APIC_DM_NMI);
 	evntsel |= P6_EVNTSEL0_ENABLE;
-	wrmsr(MSR_P6_EVNTSEL0, evntsel, 0);
+	wrmsr(evntsel_msr, evntsel, 0);
+
+	wd->perfctr_msr = perfctr_msr;
+	wd->evntsel_msr = evntsel_msr;
+	wd->cccr_msr = 0;  //unused
+	wd->check_bit = 1ULL<<39;
+	return 1;
+fail1:
+	release_perfctr_nmi(perfctr_msr);
+fail:
+	return 0;
+}
+
+static void stop_p6_watchdog(void)
+{
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
+	wrmsr(wd->evntsel_msr, 0, 0);
+
+	release_evntsel_nmi(wd->evntsel_msr);
+	release_perfctr_nmi(wd->perfctr_msr);
 }
 
+/* Note that these events don't tick when the CPU idles. This means
+   the frequency varies with CPU load. */
+
+#define MSR_P4_MISC_ENABLE_PERF_AVAIL	(1<<7)
+#define P4_ESCR_EVENT_SELECT(N)	((N)<<25)
+#define P4_ESCR_OS		(1<<3)
+#define P4_ESCR_USR		(1<<2)
+#define P4_CCCR_OVF_PMI0	(1<<26)
+#define P4_CCCR_OVF_PMI1	(1<<27)
+#define P4_CCCR_THRESHOLD(N)	((N)<<20)
+#define P4_CCCR_COMPLEMENT	(1<<19)
+#define P4_CCCR_COMPARE		(1<<18)
+#define P4_CCCR_REQUIRED	(3<<16)
+#define P4_CCCR_ESCR_SELECT(N)	((N)<<13)
+#define P4_CCCR_ENABLE		(1<<12)
+#define P4_CCCR_OVF 		(1<<31)
+/* Set up IQ_COUNTER0 to behave like a clock, by having IQ_CCCR0 filter
+   CRU_ESCR0 (with any non-null event selector) through a complemented
+   max threshold. [IA32-Vol3, Section 14.9.9] */
+
 static int setup_p4_watchdog(void)
 {
+	unsigned int perfctr_msr, evntsel_msr, cccr_msr;
+	unsigned int evntsel, cccr_val;
 	unsigned int misc_enable, dummy;
+	unsigned int ht_num;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
 
-	rdmsr(MSR_P4_MISC_ENABLE, misc_enable, dummy);
+	rdmsr(MSR_IA32_MISC_ENABLE, misc_enable, dummy);
 	if (!(misc_enable & MSR_P4_MISC_ENABLE_PERF_AVAIL))
 		return 0;
 
-	nmi_perfctr_msr = MSR_P4_IQ_COUNTER0;
-	nmi_p4_cccr_val = P4_NMI_IQ_CCCR0;
 #ifdef CONFIG_SMP
-	if (smp_num_siblings == 2)
-		nmi_p4_cccr_val |= P4_CCCR_OVF_PMI1;
+	/* detect which hyperthread we are on */
+	if (smp_num_siblings == 2) {
+		unsigned int ebx, apicid;
+
+        	ebx = cpuid_ebx(1);
+	        apicid = (ebx >> 24) & 0xff;
+        	ht_num = apicid & 1;
+	} else
 #endif
+		ht_num = 0;
 
-	if (!(misc_enable & MSR_P4_MISC_ENABLE_PEBS_UNAVAIL))
-		clear_msr_range(0x3F1, 2);
-	/* MSR 0x3F0 seems to have a default value of 0xFC00, but current
-	   docs doesn't fully define it, so leave it alone for now. */
-	if (boot_cpu_data.x86_model >= 0x3) {
-		/* MSR_P4_IQ_ESCR0/1 (0x3ba/0x3bb) removed */
-		clear_msr_range(0x3A0, 26);
-		clear_msr_range(0x3BC, 3);
+	/* performance counters are shared resources
+	 * assign each hyperthread its own set
+	 * (re-use the ESCR0 register, seems safe
+	 * and keeps the cccr_val the same)
+	 */
+	if (!ht_num) {
+		/* logical cpu 0 */
+		perfctr_msr = MSR_P4_IQ_PERFCTR0;
+		evntsel_msr = MSR_P4_CRU_ESCR0;
+		cccr_msr = MSR_P4_IQ_CCCR0;
+		cccr_val = P4_CCCR_OVF_PMI0 | P4_CCCR_ESCR_SELECT(4);
 	} else {
-		clear_msr_range(0x3A0, 31);
+		/* logical cpu 1 */
+		perfctr_msr = MSR_P4_IQ_PERFCTR1;
+		evntsel_msr = MSR_P4_CRU_ESCR0;
+		cccr_msr = MSR_P4_IQ_CCCR1;
+		cccr_val = P4_CCCR_OVF_PMI1 | P4_CCCR_ESCR_SELECT(4);
 	}
-	clear_msr_range(0x3C0, 6);
-	clear_msr_range(0x3C8, 6);
-	clear_msr_range(0x3E0, 2);
-	clear_msr_range(MSR_P4_CCCR0, 18);
-	clear_msr_range(MSR_P4_PERFCTR0, 18);
-
-	wrmsr(MSR_P4_CRU_ESCR0, P4_NMI_CRU_ESCR0, 0);
-	wrmsr(MSR_P4_IQ_CCCR0, P4_NMI_IQ_CCCR0 & ~P4_CCCR_ENABLE, 0);
-	write_watchdog_counter("P4_IQ_COUNTER0");
+
+	if (!reserve_perfctr_nmi(perfctr_msr))
+		goto fail;
+
+	if (!reserve_evntsel_nmi(evntsel_msr))
+		goto fail1;
+
+	evntsel = P4_ESCR_EVENT_SELECT(0x3F)
+	 	| P4_ESCR_OS
+		| P4_ESCR_USR;
+
+	cccr_val |= P4_CCCR_THRESHOLD(15)
+		 | P4_CCCR_COMPLEMENT
+		 | P4_CCCR_COMPARE
+		 | P4_CCCR_REQUIRED;
+
+	wrmsr(evntsel_msr, evntsel, 0);
+	wrmsr(cccr_msr, cccr_val, 0);
+	write_watchdog_counter(perfctr_msr, "P4_IQ_COUNTER0");
 	apic_write(APIC_LVTPC, APIC_DM_NMI);
-	wrmsr(MSR_P4_IQ_CCCR0, nmi_p4_cccr_val, 0);
+	cccr_val |= P4_CCCR_ENABLE;
+	wrmsr(cccr_msr, cccr_val, 0);
+	wd->perfctr_msr = perfctr_msr;
+	wd->evntsel_msr = evntsel_msr;
+	wd->cccr_msr = cccr_msr;
+	wd->check_bit = 1ULL<<39;
 	return 1;
+fail1:
+	release_perfctr_nmi(perfctr_msr);
+fail:
+	return 0;
 }
 
-static void disable_intel_arch_watchdog(void)
+static void stop_p4_watchdog(void)
 {
-	unsigned ebx;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
 
-	/*
-	 * Check whether the Architectural PerfMon supports
-	 * Unhalted Core Cycles Event or not.
-	 * NOTE: Corresponding bit = 0 in ebp indicates event present.
-	 */
-	ebx = cpuid_ebx(10);
-	if (!(ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT))
-		wrmsr(MSR_ARCH_PERFMON_EVENTSEL0, 0, 0);
+	wrmsr(wd->cccr_msr, 0, 0);
+	wrmsr(wd->evntsel_msr, 0, 0);
+
+	release_evntsel_nmi(wd->evntsel_msr);
+	release_perfctr_nmi(wd->perfctr_msr);
 }
 
+#define ARCH_PERFMON_NMI_EVENT_SEL	ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL
+#define ARCH_PERFMON_NMI_EVENT_UMASK	ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK
+
 static int setup_intel_arch_watchdog(void)
 {
+	unsigned int ebx;
+	union cpuid10_eax eax;
+	unsigned int unused;
+	unsigned int perfctr_msr, evntsel_msr;
 	unsigned int evntsel;
-	unsigned ebx;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
 
 	/*
 	 * Check whether the Architectural PerfMon supports
 	 * Unhalted Core Cycles Event or not.
-	 * NOTE: Corresponding bit = 0 in ebp indicates event present.
+	 * NOTE: Corresponding bit = 0 in ebx indicates event present.
 	 */
-	ebx = cpuid_ebx(10);
-	if ((ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT))
-		return 0;
+	cpuid(10, &(eax.full), &ebx, &unused, &unused);
+	if ((eax.split.mask_length < (ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX+1)) ||
+	    (ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT))
+		goto fail;
+
+	perfctr_msr = MSR_ARCH_PERFMON_PERFCTR0;
+	evntsel_msr = MSR_ARCH_PERFMON_EVENTSEL0;
 
-	nmi_perfctr_msr = MSR_ARCH_PERFMON_PERFCTR0;
+	if (!reserve_perfctr_nmi(perfctr_msr))
+		goto fail;
 
-	clear_msr_range(MSR_ARCH_PERFMON_EVENTSEL0, 2);
-	clear_msr_range(MSR_ARCH_PERFMON_PERFCTR0, 2);
+	if (!reserve_evntsel_nmi(evntsel_msr))
+		goto fail1;
+
+	wrmsrl(perfctr_msr, 0UL);
 
 	evntsel = ARCH_PERFMON_EVENTSEL_INT
 		| ARCH_PERFMON_EVENTSEL_OS
@@ -493,51 +703,145 @@ static int setup_intel_arch_watchdog(void)
 		| ARCH_PERFMON_NMI_EVENT_SEL
 		| ARCH_PERFMON_NMI_EVENT_UMASK;
 
-	wrmsr(MSR_ARCH_PERFMON_EVENTSEL0, evntsel, 0);
-	write_watchdog_counter("INTEL_ARCH_PERFCTR0");
+	/* setup the timer */
+	wrmsr(evntsel_msr, evntsel, 0);
+	write_watchdog_counter(perfctr_msr, "INTEL_ARCH_PERFCTR0");
 	apic_write(APIC_LVTPC, APIC_DM_NMI);
 	evntsel |= ARCH_PERFMON_EVENTSEL0_ENABLE;
-	wrmsr(MSR_ARCH_PERFMON_EVENTSEL0, evntsel, 0);
+	wrmsr(evntsel_msr, evntsel, 0);
+
+	wd->perfctr_msr = perfctr_msr;
+	wd->evntsel_msr = evntsel_msr;
+	wd->cccr_msr = 0;  //unused
+	wd->check_bit = 1ULL << (eax.split.bit_width - 1);
 	return 1;
+fail1:
+	release_perfctr_nmi(perfctr_msr);
+fail:
+	return 0;
 }
 
-void setup_apic_nmi_watchdog (void)
+static void stop_intel_arch_watchdog(void)
 {
-	switch (boot_cpu_data.x86_vendor) {
-	case X86_VENDOR_AMD:
-		if (boot_cpu_data.x86 != 6 && boot_cpu_data.x86 != 15)
-			return;
-		setup_k7_watchdog();
-		break;
-	case X86_VENDOR_INTEL:
-		if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
-			if (!setup_intel_arch_watchdog())
+	unsigned int ebx;
+	union cpuid10_eax eax;
+	unsigned int unused;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
+	/*
+	 * Check whether the Architectural PerfMon supports
+	 * Unhalted Core Cycles Event or not.
+	 * NOTE: Corresponding bit = 0 in ebx indicates event present.
+	 */
+	cpuid(10, &(eax.full), &ebx, &unused, &unused);
+	if ((eax.split.mask_length < (ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX+1)) ||
+	    (ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT))
+		return;
+
+	wrmsr(wd->evntsel_msr, 0, 0);
+	release_evntsel_nmi(wd->evntsel_msr);
+	release_perfctr_nmi(wd->perfctr_msr);
+}
+
+void setup_apic_nmi_watchdog (void *unused)
+{
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
+	/* only support LOCAL and IO APICs for now */
+	if ((nmi_watchdog != NMI_LOCAL_APIC) &&
+	    (nmi_watchdog != NMI_IO_APIC))
+	    	return;
+
+	if (wd->enabled == 1)
+		return;
+
+	/* cheap hack to support suspend/resume */
+	/* if cpu0 is not active neither should the other cpus */
+	if ((smp_processor_id() != 0) && (atomic_read(&nmi_active) <= 0))
+		return;
+
+	if (nmi_watchdog == NMI_LOCAL_APIC) {
+		switch (boot_cpu_data.x86_vendor) {
+		case X86_VENDOR_AMD:
+			if (boot_cpu_data.x86 != 6 && boot_cpu_data.x86 != 15)
 				return;
-			break;
-		}
-		switch (boot_cpu_data.x86) {
-		case 6:
-			if (boot_cpu_data.x86_model > 0xd)
+			if (!setup_k7_watchdog())
 				return;
-
-			setup_p6_watchdog();
 			break;
-		case 15:
-			if (boot_cpu_data.x86_model > 0x4)
-				return;
+		case X86_VENDOR_INTEL:
+			if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
+				if (!setup_intel_arch_watchdog())
+					return;
+				break;
+			}
+			switch (boot_cpu_data.x86) {
+			case 6:
+				if (boot_cpu_data.x86_model > 0xd)
+					return;
+
+				if (!setup_p6_watchdog())
+					return;
+				break;
+			case 15:
+				if (boot_cpu_data.x86_model > 0x4)
+					return;
 
-			if (!setup_p4_watchdog())
+				if (!setup_p4_watchdog())
+					return;
+				break;
+			default:
 				return;
+			}
 			break;
 		default:
 			return;
 		}
-		break;
-	default:
+	}
+	wd->enabled = 1;
+	atomic_inc(&nmi_active);
+}
+
+void stop_apic_nmi_watchdog(void *unused)
+{
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
+	/* only support LOCAL and IO APICs for now */
+	if ((nmi_watchdog != NMI_LOCAL_APIC) &&
+	    (nmi_watchdog != NMI_IO_APIC))
+	    	return;
+
+	if (wd->enabled == 0)
 		return;
+
+	if (nmi_watchdog == NMI_LOCAL_APIC) {
+		switch (boot_cpu_data.x86_vendor) {
+		case X86_VENDOR_AMD:
+			stop_k7_watchdog();
+			break;
+		case X86_VENDOR_INTEL:
+			if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
+				stop_intel_arch_watchdog();
+				break;
+			}
+			switch (boot_cpu_data.x86) {
+			case 6:
+				if (boot_cpu_data.x86_model > 0xd)
+					break;
+				stop_p6_watchdog();
+				break;
+			case 15:
+				if (boot_cpu_data.x86_model > 0x4)
+					break;
+				stop_p4_watchdog();
+				break;
+			}
+			break;
+		default:
+			return;
+		}
 	}
-	lapic_nmi_owner = LAPIC_NMI_WATCHDOG;
-	nmi_active = 1;
+	wd->enabled = 0;
+	atomic_dec(&nmi_active);
 }
 
 /*
@@ -579,7 +883,7 @@ EXPORT_SYMBOL(touch_nmi_watchdog);
 
 extern void die_nmi(struct pt_regs *, const char *msg);
 
-void nmi_watchdog_tick (struct pt_regs * regs)
+__kprobes int nmi_watchdog_tick(struct pt_regs * regs, unsigned reason)
 {
 
 	/*
@@ -588,11 +892,23 @@ void nmi_watchdog_tick (struct pt_regs * regs)
 	 * smp_processor_id().
 	 */
 	unsigned int sum;
+	int touched = 0;
 	int cpu = smp_processor_id();
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+	u64 dummy;
+	int rc=0;
+
+	/* check for other users first */
+	if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT)
+			== NOTIFY_STOP) {
+		rc = 1;
+		touched = 1;
+	}
 
 	sum = per_cpu(irq_stat, cpu).apic_timer_irqs;
 
-	if (last_irq_sums[cpu] == sum) {
+	/* if the apic timer isn't firing, this cpu isn't doing much */
+	if (!touched && last_irq_sums[cpu] == sum) {
 		/*
 		 * Ayiee, looks like this CPU is stuck ...
 		 * wait a few IRQs (5 seconds) before doing the oops ...
@@ -607,27 +923,59 @@ void nmi_watchdog_tick (struct pt_regs * regs)
 		last_irq_sums[cpu] = sum;
 		alert_counter[cpu] = 0;
 	}
-	if (nmi_perfctr_msr) {
-		if (nmi_perfctr_msr == MSR_P4_IQ_COUNTER0) {
-			/*
-			 * P4 quirks:
-			 * - An overflown perfctr will assert its interrupt
-			 *   until the OVF flag in its CCCR is cleared.
-			 * - LVTPC is masked on interrupt and must be
-			 *   unmasked by the LVTPC handler.
+	/* see if the nmi watchdog went off */
+	if (wd->enabled) {
+		if (nmi_watchdog == NMI_LOCAL_APIC) {
+			rdmsrl(wd->perfctr_msr, dummy);
+			if (dummy & wd->check_bit){
+				/* this wasn't a watchdog timer interrupt */
+				goto done;
+			}
+
+			/* only Intel P4 uses the cccr msr */
+	 		if (wd->cccr_msr != 0) {
+	 			/*
+	 			 * P4 quirks:
+	 			 * - An overflown perfctr will assert its interrupt
+	 			 *   until the OVF flag in its CCCR is cleared.
+	 			 * - LVTPC is masked on interrupt and must be
+	 			 *   unmasked by the LVTPC handler.
+	 			 */
+				rdmsrl(wd->cccr_msr, dummy);
+				dummy &= ~P4_CCCR_OVF;
+	 			wrmsrl(wd->cccr_msr, dummy);
+	 			apic_write(APIC_LVTPC, APIC_DM_NMI);
+	 		}
+			else if (wd->perfctr_msr == MSR_P6_PERFCTR0 ||
+				 wd->perfctr_msr == MSR_ARCH_PERFMON_PERFCTR0) {
+				/* P6 based Pentium M need to re-unmask
+				 * the apic vector but it doesn't hurt
+				 * other P6 variant.
+				 * ArchPerfom/Core Duo also needs this */
+				apic_write(APIC_LVTPC, APIC_DM_NMI);
+			}
+			/* start the cycle over again */
+			write_watchdog_counter(wd->perfctr_msr, NULL);
+			rc = 1;
+		} else if (nmi_watchdog == NMI_IO_APIC) {
+			/* don't know how to accurately check for this.
+			 * just assume it was a watchdog timer interrupt
+			 * This matches the old behaviour.
 			 */
-			wrmsr(MSR_P4_IQ_CCCR0, nmi_p4_cccr_val, 0);
-			apic_write(APIC_LVTPC, APIC_DM_NMI);
+			rc = 1;
 		}
-		else if (nmi_perfctr_msr == MSR_P6_PERFCTR0 ||
-		         nmi_perfctr_msr == MSR_ARCH_PERFMON_PERFCTR0) {
-			/* Only P6 based Pentium M need to re-unmask
-			 * the apic vector but it doesn't hurt
-			 * other P6 variant */
-			apic_write(APIC_LVTPC, APIC_DM_NMI);
-		}
-		write_watchdog_counter(NULL);
 	}
+done:
+	return rc;
+}
+
+int do_nmi_callback(struct pt_regs * regs, int cpu)
+{
+#ifdef CONFIG_SYSCTL
+	if (unknown_nmi_panic)
+		return unknown_nmi_panic_callback(regs, cpu);
+#endif
+	return 0;
 }
 
 #ifdef CONFIG_SYSCTL
@@ -637,36 +985,46 @@ static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu)
 	unsigned char reason = get_nmi_reason();
 	char buf[64];
 
-	if (!(reason & 0xc0)) {
-		sprintf(buf, "NMI received for unknown reason %02x\n", reason);
-		die_nmi(regs, buf);
-	}
+	sprintf(buf, "NMI received for unknown reason %02x\n", reason);
+	die_nmi(regs, buf);
 	return 0;
 }
 
 /*
- * proc handler for /proc/sys/kernel/unknown_nmi_panic
+ * proc handler for /proc/sys/kernel/nmi
  */
-int proc_unknown_nmi_panic(ctl_table *table, int write, struct file *file,
+int proc_nmi_enabled(struct ctl_table *table, int write, struct file *file,
 			void __user *buffer, size_t *length, loff_t *ppos)
 {
 	int old_state;
 
-	old_state = unknown_nmi_panic;
+	nmi_watchdog_enabled = (atomic_read(&nmi_active) > 0) ? 1 : 0;
+	old_state = nmi_watchdog_enabled;
 	proc_dointvec(table, write, file, buffer, length, ppos);
-	if (!!old_state == !!unknown_nmi_panic)
+	if (!!old_state == !!nmi_watchdog_enabled)
 		return 0;
 
-	if (unknown_nmi_panic) {
-		if (reserve_lapic_nmi() < 0) {
-			unknown_nmi_panic = 0;
-			return -EBUSY;
-		} else {
-			set_nmi_callback(unknown_nmi_panic_callback);
-		}
+	if (atomic_read(&nmi_active) < 0) {
+		printk( KERN_WARNING "NMI watchdog is permanently disabled\n");
+		return -EIO;
+	}
+
+	if (nmi_watchdog == NMI_DEFAULT) {
+		if (nmi_known_cpu() > 0)
+			nmi_watchdog = NMI_LOCAL_APIC;
+		else
+			nmi_watchdog = NMI_IO_APIC;
+	}
+
+	if (nmi_watchdog == NMI_LOCAL_APIC) {
+		if (nmi_watchdog_enabled)
+			enable_lapic_nmi_watchdog();
+		else
+			disable_lapic_nmi_watchdog();
 	} else {
-		release_lapic_nmi();
-		unset_nmi_callback();
+		printk( KERN_WARNING
+			"NMI watchdog doesn't know what hardware to touch\n");
+		return -EIO;
 	}
 	return 0;
 }
@@ -675,7 +1033,11 @@ int proc_unknown_nmi_panic(ctl_table *table, int write, struct file *file,
 
 EXPORT_SYMBOL(nmi_active);
 EXPORT_SYMBOL(nmi_watchdog);
-EXPORT_SYMBOL(reserve_lapic_nmi);
-EXPORT_SYMBOL(release_lapic_nmi);
+EXPORT_SYMBOL(avail_to_resrv_perfctr_nmi);
+EXPORT_SYMBOL(avail_to_resrv_perfctr_nmi_bit);
+EXPORT_SYMBOL(reserve_perfctr_nmi);
+EXPORT_SYMBOL(release_perfctr_nmi);
+EXPORT_SYMBOL(reserve_evntsel_nmi);
+EXPORT_SYMBOL(release_evntsel_nmi);
 EXPORT_SYMBOL(disable_timer_nmi_watchdog);
 EXPORT_SYMBOL(enable_timer_nmi_watchdog);
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index 8657c739656a..8c190ca7ae44 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -37,6 +37,7 @@
 #include <linux/kallsyms.h>
 #include <linux/ptrace.h>
 #include <linux/random.h>
+#include <linux/personality.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -320,15 +321,6 @@ void show_regs(struct pt_regs * regs)
  * the "args".
  */
 extern void kernel_thread_helper(void);
-__asm__(".section .text\n"
-	".align 4\n"
-	"kernel_thread_helper:\n\t"
-	"movl %edx,%eax\n\t"
-	"pushl %edx\n\t"
-	"call *%ebx\n\t"
-	"pushl %eax\n\t"
-	"call do_exit\n"
-	".previous");
 
 /*
  * Create a kernel thread
@@ -346,7 +338,7 @@ int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 	regs.xes = __USER_DS;
 	regs.orig_eax = -1;
 	regs.eip = (unsigned long) kernel_thread_helper;
-	regs.xcs = __KERNEL_CS;
+	regs.xcs = __KERNEL_CS | get_kernel_rpl();
 	regs.eflags = X86_EFLAGS_IF | X86_EFLAGS_SF | X86_EFLAGS_PF | 0x2;
 
 	/* Ok, create the new process.. */
@@ -905,7 +897,7 @@ asmlinkage int sys_get_thread_area(struct user_desc __user *u_info)
 
 unsigned long arch_align_stack(unsigned long sp)
 {
-	if (randomize_va_space)
+	if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
 		sp -= get_random_int() % 8192;
 	return sp & ~0xf;
 }
diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c
index d3db03f4085d..775f50e9395b 100644
--- a/arch/i386/kernel/ptrace.c
+++ b/arch/i386/kernel/ptrace.c
@@ -185,17 +185,17 @@ static unsigned long convert_eip_to_linear(struct task_struct *child, struct pt_
 	return addr;
 }
 
-static inline int is_at_popf(struct task_struct *child, struct pt_regs *regs)
+static inline int is_setting_trap_flag(struct task_struct *child, struct pt_regs *regs)
 {
 	int i, copied;
-	unsigned char opcode[16];
+	unsigned char opcode[15];
 	unsigned long addr = convert_eip_to_linear(child, regs);
 
 	copied = access_process_vm(child, addr, opcode, sizeof(opcode), 0);
 	for (i = 0; i < copied; i++) {
 		switch (opcode[i]) {
-		/* popf */
-		case 0x9d:
+		/* popf and iret */
+		case 0x9d: case 0xcf:
 			return 1;
 		/* opcode and address size prefixes */
 		case 0x66: case 0x67:
@@ -247,7 +247,7 @@ static void set_singlestep(struct task_struct *child)
 	 * don't mark it as being "us" that set it, so that we
 	 * won't clear it by hand later.
 	 */
-	if (is_at_popf(child, regs))
+	if (is_setting_trap_flag(child, regs))
 		return;
 	
 	child->ptrace |= PT_DTRACE;
diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c
index 54cfeabbc5e4..84278e0093a2 100644
--- a/arch/i386/kernel/reboot.c
+++ b/arch/i386/kernel/reboot.c
@@ -145,14 +145,10 @@ real_mode_gdt_entries [3] =
 	0x000092000100ffffULL	/* 16-bit real-mode 64k data at 0x00000100 */
 };
 
-static struct
-{
-	unsigned short       size __attribute__ ((packed));
-	unsigned long long * base __attribute__ ((packed));
-}
-real_mode_gdt = { sizeof (real_mode_gdt_entries) - 1, real_mode_gdt_entries },
-real_mode_idt = { 0x3ff, NULL },
-no_idt = { 0, NULL };
+static struct Xgt_desc_struct
+real_mode_gdt = { sizeof (real_mode_gdt_entries) - 1, (long)real_mode_gdt_entries },
+real_mode_idt = { 0x3ff, 0 },
+no_idt = { 0, 0 };
 
 
 /* This is 16-bit protected mode code to disable paging and the cache,
diff --git a/arch/i386/kernel/relocate_kernel.S b/arch/i386/kernel/relocate_kernel.S
index d312616effa1..f151d6fae462 100644
--- a/arch/i386/kernel/relocate_kernel.S
+++ b/arch/i386/kernel/relocate_kernel.S
@@ -7,16 +7,138 @@
  */
 
 #include <linux/linkage.h>
+#include <asm/page.h>
+#include <asm/kexec.h>
+
+/*
+ * Must be relocatable PIC code callable as a C function
+ */
+
+#define PTR(x) (x << 2)
+#define PAGE_ALIGNED (1 << PAGE_SHIFT)
+#define PAGE_ATTR 0x63 /* _PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY */
+#define PAE_PGD_ATTR 0x01 /* _PAGE_PRESENT */
+
+	.text
+	.align PAGE_ALIGNED
+	.globl relocate_kernel
+relocate_kernel:
+	movl	8(%esp), %ebp /* list of pages */
+
+#ifdef CONFIG_X86_PAE
+	/* map the control page at its virtual address */
+
+	movl	PTR(VA_PGD)(%ebp), %edi
+	movl	PTR(VA_CONTROL_PAGE)(%ebp), %eax
+	andl	$0xc0000000, %eax
+	shrl	$27, %eax
+	addl	%edi, %eax
+
+	movl	PTR(PA_PMD_0)(%ebp), %edx
+	orl	$PAE_PGD_ATTR, %edx
+	movl	%edx, (%eax)
+
+	movl	PTR(VA_PMD_0)(%ebp), %edi
+	movl	PTR(VA_CONTROL_PAGE)(%ebp), %eax
+	andl	$0x3fe00000, %eax
+	shrl	$18, %eax
+	addl	%edi, %eax
+
+	movl	PTR(PA_PTE_0)(%ebp), %edx
+	orl	$PAGE_ATTR, %edx
+	movl	%edx, (%eax)
+
+	movl	PTR(VA_PTE_0)(%ebp), %edi
+	movl	PTR(VA_CONTROL_PAGE)(%ebp), %eax
+	andl	$0x001ff000, %eax
+	shrl	$9, %eax
+	addl	%edi, %eax
+
+	movl	PTR(PA_CONTROL_PAGE)(%ebp), %edx
+	orl	$PAGE_ATTR, %edx
+	movl	%edx, (%eax)
+
+	/* identity map the control page at its physical address */
+
+	movl	PTR(VA_PGD)(%ebp), %edi
+	movl	PTR(PA_CONTROL_PAGE)(%ebp), %eax
+	andl	$0xc0000000, %eax
+	shrl	$27, %eax
+	addl	%edi, %eax
+
+	movl	PTR(PA_PMD_1)(%ebp), %edx
+	orl	$PAE_PGD_ATTR, %edx
+	movl	%edx, (%eax)
+
+	movl	PTR(VA_PMD_1)(%ebp), %edi
+	movl	PTR(PA_CONTROL_PAGE)(%ebp), %eax
+	andl	$0x3fe00000, %eax
+	shrl	$18, %eax
+	addl	%edi, %eax
+
+	movl	PTR(PA_PTE_1)(%ebp), %edx
+	orl	$PAGE_ATTR, %edx
+	movl	%edx, (%eax)
+
+	movl	PTR(VA_PTE_1)(%ebp), %edi
+	movl	PTR(PA_CONTROL_PAGE)(%ebp), %eax
+	andl	$0x001ff000, %eax
+	shrl	$9, %eax
+	addl	%edi, %eax
+
+	movl	PTR(PA_CONTROL_PAGE)(%ebp), %edx
+	orl	$PAGE_ATTR, %edx
+	movl	%edx, (%eax)
+#else
+	/* map the control page at its virtual address */
+
+	movl	PTR(VA_PGD)(%ebp), %edi
+	movl	PTR(VA_CONTROL_PAGE)(%ebp), %eax
+	andl	$0xffc00000, %eax
+	shrl	$20, %eax
+	addl	%edi, %eax
+
+	movl	PTR(PA_PTE_0)(%ebp), %edx
+	orl	$PAGE_ATTR, %edx
+	movl	%edx, (%eax)
+
+	movl	PTR(VA_PTE_0)(%ebp), %edi
+	movl	PTR(VA_CONTROL_PAGE)(%ebp), %eax
+	andl	$0x003ff000, %eax
+	shrl	$10, %eax
+	addl	%edi, %eax
+
+	movl	PTR(PA_CONTROL_PAGE)(%ebp), %edx
+	orl	$PAGE_ATTR, %edx
+	movl	%edx, (%eax)
+
+	/* identity map the control page at its physical address */
+
+	movl	PTR(VA_PGD)(%ebp), %edi
+	movl	PTR(PA_CONTROL_PAGE)(%ebp), %eax
+	andl	$0xffc00000, %eax
+	shrl	$20, %eax
+	addl	%edi, %eax
+
+	movl	PTR(PA_PTE_1)(%ebp), %edx
+	orl	$PAGE_ATTR, %edx
+	movl	%edx, (%eax)
+
+	movl	PTR(VA_PTE_1)(%ebp), %edi
+	movl	PTR(PA_CONTROL_PAGE)(%ebp), %eax
+	andl	$0x003ff000, %eax
+	shrl	$10, %eax
+	addl	%edi, %eax
+
+	movl	PTR(PA_CONTROL_PAGE)(%ebp), %edx
+	orl	$PAGE_ATTR, %edx
+	movl	%edx, (%eax)
+#endif
 
-	/*
-	 * Must be relocatable PIC code callable as a C function, that once
-	 * it starts can not use the previous processes stack.
-	 */
-	.globl relocate_new_kernel
 relocate_new_kernel:
 	/* read the arguments and say goodbye to the stack */
 	movl  4(%esp), %ebx /* page_list */
-	movl  8(%esp), %ebp /* reboot_code_buffer */
+	movl  8(%esp), %ebp /* list of pages */
 	movl  12(%esp), %edx /* start address */
 	movl  16(%esp), %ecx /* cpu_has_pae */
 
@@ -24,11 +146,26 @@ relocate_new_kernel:
 	pushl $0
 	popfl
 
-	/* set a new stack at the bottom of our page... */
-	lea   4096(%ebp), %esp
+	/* get physical address of control page now */
+	/* this is impossible after page table switch */
+	movl	PTR(PA_CONTROL_PAGE)(%ebp), %edi
 
-	/* store the parameters back on the stack */
-	pushl   %edx /* store the start address */
+	/* switch to new set of page tables */
+	movl	PTR(PA_PGD)(%ebp), %eax
+	movl	%eax, %cr3
+
+	/* setup a new stack at the end of the physical control page */
+	lea	4096(%edi), %esp
+
+	/* jump to identity mapped page */
+	movl    %edi, %eax
+	addl    $(identity_mapped - relocate_kernel), %eax
+	pushl   %eax
+	ret
+
+identity_mapped:
+	/* store the start address on the stack */
+	pushl   %edx
 
 	/* Set cr0 to a known state:
 	 * 31 0 == Paging disabled
@@ -113,8 +250,3 @@ relocate_new_kernel:
 	xorl    %edi, %edi
 	xorl    %ebp, %ebp
 	ret
-relocate_new_kernel_end:
-
-	.globl relocate_new_kernel_size
-relocate_new_kernel_size:
-	.long relocate_new_kernel_end - relocate_new_kernel
diff --git a/arch/i386/kernel/semaphore.c b/arch/i386/kernel/semaphore.c
deleted file mode 100644
index 98352c374c76..000000000000
--- a/arch/i386/kernel/semaphore.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- * i386 semaphore implementation.
- *
- * (C) Copyright 1999 Linus Torvalds
- *
- * Portions Copyright 1999 Red Hat, Inc.
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License
- *	as published by the Free Software Foundation; either version
- *	2 of the License, or (at your option) any later version.
- *
- * rw semaphores implemented November 1999 by Benjamin LaHaise <bcrl@kvack.org>
- */
-#include <asm/semaphore.h>
-
-/*
- * The semaphore operations have a special calling sequence that
- * allow us to do a simpler in-line version of them. These routines
- * need to convert that sequence back into the C sequence when
- * there is contention on the semaphore.
- *
- * %eax contains the semaphore pointer on entry. Save the C-clobbered
- * registers (%eax, %edx and %ecx) except %eax whish is either a return
- * value or just clobbered..
- */
-asm(
-".section .sched.text\n"
-".align 4\n"
-".globl __down_failed\n"
-"__down_failed:\n\t"
-#if defined(CONFIG_FRAME_POINTER)
-	"pushl %ebp\n\t"
-	"movl  %esp,%ebp\n\t"
-#endif
-	"pushl %edx\n\t"
-	"pushl %ecx\n\t"
-	"call __down\n\t"
-	"popl %ecx\n\t"
-	"popl %edx\n\t"
-#if defined(CONFIG_FRAME_POINTER)
-	"movl %ebp,%esp\n\t"
-	"popl %ebp\n\t"
-#endif
-	"ret"
-);
-
-asm(
-".section .sched.text\n"
-".align 4\n"
-".globl __down_failed_interruptible\n"
-"__down_failed_interruptible:\n\t"
-#if defined(CONFIG_FRAME_POINTER)
-	"pushl %ebp\n\t"
-	"movl  %esp,%ebp\n\t"
-#endif
-	"pushl %edx\n\t"
-	"pushl %ecx\n\t"
-	"call __down_interruptible\n\t"
-	"popl %ecx\n\t"
-	"popl %edx\n\t"
-#if defined(CONFIG_FRAME_POINTER)
-	"movl %ebp,%esp\n\t"
-	"popl %ebp\n\t"
-#endif
-	"ret"
-);
-
-asm(
-".section .sched.text\n"
-".align 4\n"
-".globl __down_failed_trylock\n"
-"__down_failed_trylock:\n\t"
-#if defined(CONFIG_FRAME_POINTER)
-	"pushl %ebp\n\t"
-	"movl  %esp,%ebp\n\t"
-#endif
-	"pushl %edx\n\t"
-	"pushl %ecx\n\t"
-	"call __down_trylock\n\t"
-	"popl %ecx\n\t"
-	"popl %edx\n\t"
-#if defined(CONFIG_FRAME_POINTER)
-	"movl %ebp,%esp\n\t"
-	"popl %ebp\n\t"
-#endif
-	"ret"
-);
-
-asm(
-".section .sched.text\n"
-".align 4\n"
-".globl __up_wakeup\n"
-"__up_wakeup:\n\t"
-	"pushl %edx\n\t"
-	"pushl %ecx\n\t"
-	"call __up\n\t"
-	"popl %ecx\n\t"
-	"popl %edx\n\t"
-	"ret"
-);
-
-/*
- * rw spinlock fallbacks
- */
-#if defined(CONFIG_SMP)
-asm(
-".section .sched.text\n"
-".align	4\n"
-".globl	__write_lock_failed\n"
-"__write_lock_failed:\n\t"
-	LOCK_PREFIX "addl	$" RW_LOCK_BIAS_STR ",(%eax)\n"
-"1:	rep; nop\n\t"
-	"cmpl	$" RW_LOCK_BIAS_STR ",(%eax)\n\t"
-	"jne	1b\n\t"
-	LOCK_PREFIX "subl	$" RW_LOCK_BIAS_STR ",(%eax)\n\t"
-	"jnz	__write_lock_failed\n\t"
-	"ret"
-);
-
-asm(
-".section .sched.text\n"
-".align	4\n"
-".globl	__read_lock_failed\n"
-"__read_lock_failed:\n\t"
-	LOCK_PREFIX "incl	(%eax)\n"
-"1:	rep; nop\n\t"
-	"cmpl	$1,(%eax)\n\t"
-	"js	1b\n\t"
-	LOCK_PREFIX "decl	(%eax)\n\t"
-	"js	__read_lock_failed\n\t"
-	"ret"
-);
-#endif
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index f1682206d304..814cdebf7377 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -53,6 +53,7 @@
 #include <asm/apic.h>
 #include <asm/e820.h>
 #include <asm/mpspec.h>
+#include <asm/mmzone.h>
 #include <asm/setup.h>
 #include <asm/arch_hooks.h>
 #include <asm/sections.h>
@@ -89,18 +90,6 @@ EXPORT_SYMBOL(boot_cpu_data);
 
 unsigned long mmu_cr4_features;
 
-#ifdef	CONFIG_ACPI
-	int acpi_disabled = 0;
-#else
-	int acpi_disabled = 1;
-#endif
-EXPORT_SYMBOL(acpi_disabled);
-
-#ifdef	CONFIG_ACPI
-int __initdata acpi_force = 0;
-extern acpi_interrupt_flags	acpi_sci_flags;
-#endif
-
 /* for MCA, but anyone else can use it if they want */
 unsigned int machine_id;
 #ifdef CONFIG_MCA
@@ -148,7 +137,6 @@ EXPORT_SYMBOL(ist_info);
 struct e820map e820;
 
 extern void early_cpu_init(void);
-extern void generic_apic_probe(char *);
 extern int root_mountflags;
 
 unsigned long saved_videomode;
@@ -700,238 +688,150 @@ static inline void copy_edd(void)
 }
 #endif
 
-static void __init parse_cmdline_early (char ** cmdline_p)
-{
-	char c = ' ', *to = command_line, *from = saved_command_line;
-	int len = 0;
-	int userdef = 0;
+static int __initdata user_defined_memmap = 0;
 
-	/* Save unparsed command line copy for /proc/cmdline */
-	saved_command_line[COMMAND_LINE_SIZE-1] = '\0';
+/*
+ * "mem=nopentium" disables the 4MB page tables.
+ * "mem=XXX[kKmM]" defines a memory region from HIGH_MEM
+ * to <mem>, overriding the bios size.
+ * "memmap=XXX[KkmM]@XXX[KkmM]" defines a memory region from
+ * <start> to <start>+<mem>, overriding the bios size.
+ *
+ * HPA tells me bootloaders need to parse mem=, so no new
+ * option should be mem=  [also see Documentation/i386/boot.txt]
+ */
+static int __init parse_mem(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
 
-	for (;;) {
-		if (c != ' ')
-			goto next_char;
-		/*
-		 * "mem=nopentium" disables the 4MB page tables.
-		 * "mem=XXX[kKmM]" defines a memory region from HIGH_MEM
-		 * to <mem>, overriding the bios size.
-		 * "memmap=XXX[KkmM]@XXX[KkmM]" defines a memory region from
-		 * <start> to <start>+<mem>, overriding the bios size.
-		 *
-		 * HPA tells me bootloaders need to parse mem=, so no new
-		 * option should be mem=  [also see Documentation/i386/boot.txt]
+	if (strcmp(arg, "nopentium") == 0) {
+		clear_bit(X86_FEATURE_PSE, boot_cpu_data.x86_capability);
+		disable_pse = 1;
+	} else {
+		/* If the user specifies memory size, we
+		 * limit the BIOS-provided memory map to
+		 * that size. exactmap can be used to specify
+		 * the exact map. mem=number can be used to
+		 * trim the existing memory map.
 		 */
-		if (!memcmp(from, "mem=", 4)) {
-			if (to != command_line)
-				to--;
-			if (!memcmp(from+4, "nopentium", 9)) {
-				from += 9+4;
-				clear_bit(X86_FEATURE_PSE, boot_cpu_data.x86_capability);
-				disable_pse = 1;
-			} else {
-				/* If the user specifies memory size, we
-				 * limit the BIOS-provided memory map to
-				 * that size. exactmap can be used to specify
-				 * the exact map. mem=number can be used to
-				 * trim the existing memory map.
-				 */
-				unsigned long long mem_size;
- 
-				mem_size = memparse(from+4, &from);
-				limit_regions(mem_size);
-				userdef=1;
-			}
-		}
-
-		else if (!memcmp(from, "memmap=", 7)) {
-			if (to != command_line)
-				to--;
-			if (!memcmp(from+7, "exactmap", 8)) {
-#ifdef CONFIG_CRASH_DUMP
-				/* If we are doing a crash dump, we
-				 * still need to know the real mem
-				 * size before original memory map is
-				 * reset.
-				 */
-				find_max_pfn();
-				saved_max_pfn = max_pfn;
-#endif
-				from += 8+7;
-				e820.nr_map = 0;
-				userdef = 1;
-			} else {
-				/* If the user specifies memory size, we
-				 * limit the BIOS-provided memory map to
-				 * that size. exactmap can be used to specify
-				 * the exact map. mem=number can be used to
-				 * trim the existing memory map.
-				 */
-				unsigned long long start_at, mem_size;
+		unsigned long long mem_size;
  
-				mem_size = memparse(from+7, &from);
-				if (*from == '@') {
-					start_at = memparse(from+1, &from);
-					add_memory_region(start_at, mem_size, E820_RAM);
-				} else if (*from == '#') {
-					start_at = memparse(from+1, &from);
-					add_memory_region(start_at, mem_size, E820_ACPI);
-				} else if (*from == '$') {
-					start_at = memparse(from+1, &from);
-					add_memory_region(start_at, mem_size, E820_RESERVED);
-				} else {
-					limit_regions(mem_size);
-					userdef=1;
-				}
-			}
-		}
-
-		else if (!memcmp(from, "noexec=", 7))
-			noexec_setup(from + 7);
+		mem_size = memparse(arg, &arg);
+		limit_regions(mem_size);
+		user_defined_memmap = 1;
+	}
+	return 0;
+}
+early_param("mem", parse_mem);
 
+static int __init parse_memmap(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
 
-#ifdef  CONFIG_X86_SMP
-		/*
-		 * If the BIOS enumerates physical processors before logical,
-		 * maxcpus=N at enumeration-time can be used to disable HT.
+	if (strcmp(arg, "exactmap") == 0) {
+#ifdef CONFIG_CRASH_DUMP
+		/* If we are doing a crash dump, we
+		 * still need to know the real mem
+		 * size before original memory map is
+		 * reset.
 		 */
-		else if (!memcmp(from, "maxcpus=", 8)) {
-			extern unsigned int maxcpus;
-
-			maxcpus = simple_strtoul(from + 8, NULL, 0);
-		}
+		find_max_pfn();
+		saved_max_pfn = max_pfn;
 #endif
-
-#ifdef CONFIG_ACPI
-		/* "acpi=off" disables both ACPI table parsing and interpreter */
-		else if (!memcmp(from, "acpi=off", 8)) {
-			disable_acpi();
-		}
-
-		/* acpi=force to over-ride black-list */
-		else if (!memcmp(from, "acpi=force", 10)) {
-			acpi_force = 1;
-			acpi_ht = 1;
-			acpi_disabled = 0;
-		}
-
-		/* acpi=strict disables out-of-spec workarounds */
-		else if (!memcmp(from, "acpi=strict", 11)) {
-			acpi_strict = 1;
-		}
-
-		/* Limit ACPI just to boot-time to enable HT */
-		else if (!memcmp(from, "acpi=ht", 7)) {
-			if (!acpi_force)
-				disable_acpi();
-			acpi_ht = 1;
-		}
-		
-		/* "pci=noacpi" disable ACPI IRQ routing and PCI scan */
-		else if (!memcmp(from, "pci=noacpi", 10)) {
-			acpi_disable_pci();
-		}
-		/* "acpi=noirq" disables ACPI interrupt routing */
-		else if (!memcmp(from, "acpi=noirq", 10)) {
-			acpi_noirq_set();
+		e820.nr_map = 0;
+		user_defined_memmap = 1;
+	} else {
+		/* If the user specifies memory size, we
+		 * limit the BIOS-provided memory map to
+		 * that size. exactmap can be used to specify
+		 * the exact map. mem=number can be used to
+		 * trim the existing memory map.
+		 */
+		unsigned long long start_at, mem_size;
+
+		mem_size = memparse(arg, &arg);
+		if (*arg == '@') {
+			start_at = memparse(arg+1, &arg);
+			add_memory_region(start_at, mem_size, E820_RAM);
+		} else if (*arg == '#') {
+			start_at = memparse(arg+1, &arg);
+			add_memory_region(start_at, mem_size, E820_ACPI);
+		} else if (*arg == '$') {
+			start_at = memparse(arg+1, &arg);
+			add_memory_region(start_at, mem_size, E820_RESERVED);
+		} else {
+			limit_regions(mem_size);
+			user_defined_memmap = 1;
 		}
+	}
+	return 0;
+}
+early_param("memmap", parse_memmap);
 
-		else if (!memcmp(from, "acpi_sci=edge", 13))
-			acpi_sci_flags.trigger =  1;
-
-		else if (!memcmp(from, "acpi_sci=level", 14))
-			acpi_sci_flags.trigger = 3;
-
-		else if (!memcmp(from, "acpi_sci=high", 13))
-			acpi_sci_flags.polarity = 1;
+#ifdef CONFIG_PROC_VMCORE
+/* elfcorehdr= specifies the location of elf core header
+ * stored by the crashed kernel.
+ */
+static int __init parse_elfcorehdr(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
 
-		else if (!memcmp(from, "acpi_sci=low", 12))
-			acpi_sci_flags.polarity = 3;
+	elfcorehdr_addr = memparse(arg, &arg);
+	return 0;
+}
+early_param("elfcorehdr", parse_elfcorehdr);
+#endif /* CONFIG_PROC_VMCORE */
 
-#ifdef CONFIG_X86_IO_APIC
-		else if (!memcmp(from, "acpi_skip_timer_override", 24))
-			acpi_skip_timer_override = 1;
+/*
+ * highmem=size forces highmem to be exactly 'size' bytes.
+ * This works even on boxes that have no highmem otherwise.
+ * This also works to reduce highmem size on bigger boxes.
+ */
+static int __init parse_highmem(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
 
-		if (!memcmp(from, "disable_timer_pin_1", 19))
-			disable_timer_pin_1 = 1;
-		if (!memcmp(from, "enable_timer_pin_1", 18))
-			disable_timer_pin_1 = -1;
+	highmem_pages = memparse(arg, &arg) >> PAGE_SHIFT;
+	return 0;
+}
+early_param("highmem", parse_highmem);
 
-		/* disable IO-APIC */
-		else if (!memcmp(from, "noapic", 6))
-			disable_ioapic_setup();
-#endif /* CONFIG_X86_IO_APIC */
-#endif /* CONFIG_ACPI */
+/*
+ * vmalloc=size forces the vmalloc area to be exactly 'size'
+ * bytes. This can be used to increase (or decrease) the
+ * vmalloc area - the default is 128m.
+ */
+static int __init parse_vmalloc(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
 
-#ifdef CONFIG_X86_LOCAL_APIC
-		/* enable local APIC */
-		else if (!memcmp(from, "lapic", 5))
-			lapic_enable();
+	__VMALLOC_RESERVE = memparse(arg, &arg);
+	return 0;
+}
+early_param("vmalloc", parse_vmalloc);
 
-		/* disable local APIC */
-		else if (!memcmp(from, "nolapic", 6))
-			lapic_disable();
-#endif /* CONFIG_X86_LOCAL_APIC */
+/*
+ * reservetop=size reserves a hole at the top of the kernel address space which
+ * a hypervisor can load into later.  Needed for dynamically loaded hypervisors,
+ * so relocating the fixmap can be done before paging initialization.
+ */
+static int __init parse_reservetop(char *arg)
+{
+	unsigned long address;
 
-#ifdef CONFIG_KEXEC
-		/* crashkernel=size@addr specifies the location to reserve for
-		 * a crash kernel.  By reserving this memory we guarantee
-		 * that linux never set's it up as a DMA target.
-		 * Useful for holding code to do something appropriate
-		 * after a kernel panic.
-		 */
-		else if (!memcmp(from, "crashkernel=", 12)) {
-			unsigned long size, base;
-			size = memparse(from+12, &from);
-			if (*from == '@') {
-				base = memparse(from+1, &from);
-				/* FIXME: Do I want a sanity check
-				 * to validate the memory range?
-				 */
-				crashk_res.start = base;
-				crashk_res.end   = base + size - 1;
-			}
-		}
-#endif
-#ifdef CONFIG_PROC_VMCORE
-		/* elfcorehdr= specifies the location of elf core header
-		 * stored by the crashed kernel.
-		 */
-		else if (!memcmp(from, "elfcorehdr=", 11))
-			elfcorehdr_addr = memparse(from+11, &from);
-#endif
+	if (!arg)
+		return -EINVAL;
 
-		/*
-		 * highmem=size forces highmem to be exactly 'size' bytes.
-		 * This works even on boxes that have no highmem otherwise.
-		 * This also works to reduce highmem size on bigger boxes.
-		 */
-		else if (!memcmp(from, "highmem=", 8))
-			highmem_pages = memparse(from+8, &from) >> PAGE_SHIFT;
-	
-		/*
-		 * vmalloc=size forces the vmalloc area to be exactly 'size'
-		 * bytes. This can be used to increase (or decrease) the
-		 * vmalloc area - the default is 128m.
-		 */
-		else if (!memcmp(from, "vmalloc=", 8))
-			__VMALLOC_RESERVE = memparse(from+8, &from);
-
-	next_char:
-		c = *(from++);
-		if (!c)
-			break;
-		if (COMMAND_LINE_SIZE <= ++len)
-			break;
-		*(to++) = c;
-	}
-	*to = '\0';
-	*cmdline_p = command_line;
-	if (userdef) {
-		printk(KERN_INFO "user-defined physical RAM map:\n");
-		print_memory_map("user");
-	}
+	address = memparse(arg, &arg);
+	reserve_top_address(address);
+	return 0;
 }
+early_param("reservetop", parse_reservetop);
 
 /*
  * Callback for efi_memory_walk.
@@ -1170,6 +1070,14 @@ static unsigned long __init setup_memory(void)
 	}
 	printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
 		pages_to_mb(highend_pfn - highstart_pfn));
+	num_physpages = highend_pfn;
+	high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
+#else
+	num_physpages = max_low_pfn;
+	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
+#endif
+#ifdef CONFIG_FLATMEM
+	max_mapnr = num_physpages;
 #endif
 	printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
 			pages_to_mb(max_low_pfn));
@@ -1181,22 +1089,20 @@ static unsigned long __init setup_memory(void)
 
 void __init zone_sizes_init(void)
 {
-	unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
-	unsigned int max_dma, low;
-
-	max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
-	low = max_low_pfn;
-
-	if (low < max_dma)
-		zones_size[ZONE_DMA] = low;
-	else {
-		zones_size[ZONE_DMA] = max_dma;
-		zones_size[ZONE_NORMAL] = low - max_dma;
 #ifdef CONFIG_HIGHMEM
-		zones_size[ZONE_HIGHMEM] = highend_pfn - low;
+	unsigned long max_zone_pfns[MAX_NR_ZONES] = {
+			virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT,
+			max_low_pfn,
+			highend_pfn};
+	add_active_range(0, 0, highend_pfn);
+#else
+	unsigned long max_zone_pfns[MAX_NR_ZONES] = {
+			virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT,
+			max_low_pfn};
+	add_active_range(0, 0, max_low_pfn);
 #endif
-	}
-	free_area_init(zones_size);
+
+	free_area_init_nodes(max_zone_pfns);
 }
 #else
 extern unsigned long __init setup_memory(void);
@@ -1258,7 +1164,7 @@ void __init setup_bootmem_allocator(void)
 	 */
 	find_smp_config();
 #endif
-
+	numa_kva_reserve();
 #ifdef CONFIG_BLK_DEV_INITRD
 	if (LOADER_TYPE && INITRD_START) {
 		if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
@@ -1499,17 +1405,15 @@ void __init setup_arch(char **cmdline_p)
 	data_resource.start = virt_to_phys(_etext);
 	data_resource.end = virt_to_phys(_edata)-1;
 
-	parse_cmdline_early(cmdline_p);
+	parse_early_param();
 
-#ifdef CONFIG_EARLY_PRINTK
-	{
-		char *s = strstr(*cmdline_p, "earlyprintk=");
-		if (s) {
-			setup_early_printk(strchr(s, '=') + 1);
-			printk("early console enabled\n");
-		}
+	if (user_defined_memmap) {
+		printk(KERN_INFO "user-defined physical RAM map:\n");
+		print_memory_map("user");
 	}
-#endif
+
+	strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE);
+	*cmdline_p = command_line;
 
 	max_low_pfn = setup_memory();
 
@@ -1538,7 +1442,7 @@ void __init setup_arch(char **cmdline_p)
 	dmi_scan_machine();
 
 #ifdef CONFIG_X86_GENERICARCH
-	generic_apic_probe(*cmdline_p);
+	generic_apic_probe();
 #endif	
 	if (efi_enabled)
 		efi_map_memmap();
@@ -1550,9 +1454,11 @@ void __init setup_arch(char **cmdline_p)
 	acpi_boot_table_init();
 #endif
 
+#ifdef CONFIG_PCI
 #ifdef CONFIG_X86_IO_APIC
 	check_acpi_pci();	/* Checks more than just ACPI actually */
 #endif
+#endif
 
 #ifdef CONFIG_ACPI
 	acpi_boot_init();
diff --git a/arch/i386/kernel/smp.c b/arch/i386/kernel/smp.c
index c10789d7a9d3..465188e2d701 100644
--- a/arch/i386/kernel/smp.c
+++ b/arch/i386/kernel/smp.c
@@ -634,3 +634,69 @@ fastcall void smp_call_function_interrupt(struct pt_regs *regs)
 	}
 }
 
+/*
+ * this function sends a 'generic call function' IPI to one other CPU
+ * in the system.
+ *
+ * cpu is a standard Linux logical CPU number.
+ */
+static void
+__smp_call_function_single(int cpu, void (*func) (void *info), void *info,
+				int nonatomic, int wait)
+{
+	struct call_data_struct data;
+	int cpus = 1;
+
+	data.func = func;
+	data.info = info;
+	atomic_set(&data.started, 0);
+	data.wait = wait;
+	if (wait)
+		atomic_set(&data.finished, 0);
+
+	call_data = &data;
+	wmb();
+	/* Send a message to all other CPUs and wait for them to respond */
+	send_IPI_mask(cpumask_of_cpu(cpu), CALL_FUNCTION_VECTOR);
+
+	/* Wait for response */
+	while (atomic_read(&data.started) != cpus)
+		cpu_relax();
+
+	if (!wait)
+		return;
+
+	while (atomic_read(&data.finished) != cpus)
+		cpu_relax();
+}
+
+/*
+ * smp_call_function_single - Run a function on another CPU
+ * @func: The function to run. This must be fast and non-blocking.
+ * @info: An arbitrary pointer to pass to the function.
+ * @nonatomic: Currently unused.
+ * @wait: If true, wait until function has completed on other CPUs.
+ *
+ * Retrurns 0 on success, else a negative status code.
+ *
+ * Does not return until the remote CPU is nearly ready to execute <func>
+ * or is or has executed.
+ */
+
+int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
+			int nonatomic, int wait)
+{
+	/* prevent preemption and reschedule on another processor */
+	int me = get_cpu();
+	if (cpu == me) {
+		WARN_ON(1);
+		put_cpu();
+		return -EBUSY;
+	}
+	spin_lock_bh(&call_lock);
+	__smp_call_function_single(cpu, func, info, nonatomic, wait);
+	spin_unlock_bh(&call_lock);
+	put_cpu();
+	return 0;
+}
+EXPORT_SYMBOL(smp_call_function_single);
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index f948419c888a..020d873b7d21 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -177,6 +177,9 @@ static void __devinit smp_store_cpu_info(int id)
 	 */
 	if ((c->x86_vendor == X86_VENDOR_AMD) && (c->x86 == 6)) {
 
+		if (num_possible_cpus() == 1)
+			goto valid_k7;
+
 		/* Athlon 660/661 is valid. */	
 		if ((c->x86_model==6) && ((c->x86_mask==0) || (c->x86_mask==1)))
 			goto valid_k7;
@@ -642,9 +645,13 @@ static void map_cpu_to_logical_apicid(void)
 {
 	int cpu = smp_processor_id();
 	int apicid = logical_smp_processor_id();
+	int node = apicid_to_node(apicid);
+
+	if (!node_online(node))
+		node = first_online_node;
 
 	cpu_2_logical_apicid[cpu] = apicid;
-	map_cpu_to_node(cpu, apicid_to_node(apicid));
+	map_cpu_to_node(cpu, node);
 }
 
 static void unmap_cpu_to_logical_apicid(int cpu)
@@ -1372,7 +1379,8 @@ int __cpu_disable(void)
 	 */
 	if (cpu == 0)
 		return -EBUSY;
-
+	if (nmi_watchdog == NMI_LOCAL_APIC)
+		stop_apic_nmi_watchdog(NULL);
 	clear_local_APIC();
 	/* Allow any queued timer interrupts to get serviced */
 	local_irq_enable();
@@ -1486,3 +1494,16 @@ void __init smp_intr_init(void)
 	/* IPI for generic function call */
 	set_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
 }
+
+/*
+ * If the BIOS enumerates physical processors before logical,
+ * maxcpus=N at enumeration-time can be used to disable HT.
+ */
+static int __init parse_maxcpus(char *arg)
+{
+	extern unsigned int maxcpus;
+
+	maxcpus = simple_strtoul(arg, NULL, 0);
+	return 0;
+}
+early_param("maxcpus", parse_maxcpus);
diff --git a/arch/i386/kernel/srat.c b/arch/i386/kernel/srat.c
index b1809c9a0899..32413122c4c2 100644
--- a/arch/i386/kernel/srat.c
+++ b/arch/i386/kernel/srat.c
@@ -42,7 +42,7 @@
 #define PXM_BITMAP_LEN (MAX_PXM_DOMAINS / 8) 
 static u8 pxm_bitmap[PXM_BITMAP_LEN];	/* bitmap of proximity domains */
 
-#define MAX_CHUNKS_PER_NODE	4
+#define MAX_CHUNKS_PER_NODE	3
 #define MAXCHUNKS		(MAX_CHUNKS_PER_NODE * MAX_NUMNODES)
 struct node_memory_chunk_s {
 	unsigned long	start_pfn;
@@ -54,8 +54,6 @@ struct node_memory_chunk_s {
 static struct node_memory_chunk_s node_memory_chunk[MAXCHUNKS];
 
 static int num_memory_chunks;		/* total number of memory chunks */
-static int zholes_size_init;
-static unsigned long zholes_size[MAX_NUMNODES * MAX_NR_ZONES];
 
 extern void * boot_ioremap(unsigned long, unsigned long);
 
@@ -135,50 +133,6 @@ static void __init parse_memory_affinity_structure (char *sratp)
 		 "enabled and removable" : "enabled" ) );
 }
 
-#if MAX_NR_ZONES != 4
-#error "MAX_NR_ZONES != 4, chunk_to_zone requires review"
-#endif
-/* Take a chunk of pages from page frame cstart to cend and count the number
- * of pages in each zone, returned via zones[].
- */
-static __init void chunk_to_zones(unsigned long cstart, unsigned long cend, 
-		unsigned long *zones)
-{
-	unsigned long max_dma;
-	extern unsigned long max_low_pfn;
-
-	int z;
-	unsigned long rend;
-
-	/* FIXME: MAX_DMA_ADDRESS and max_low_pfn are trying to provide
-	 * similarly scoped information and should be handled in a consistant
-	 * manner.
-	 */
-	max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
-
-	/* Split the hole into the zones in which it falls.  Repeatedly
-	 * take the segment in which the remaining hole starts, round it
-	 * to the end of that zone.
-	 */
-	memset(zones, 0, MAX_NR_ZONES * sizeof(long));
-	while (cstart < cend) {
-		if (cstart < max_dma) {
-			z = ZONE_DMA;
-			rend = (cend < max_dma)? cend : max_dma;
-
-		} else if (cstart < max_low_pfn) {
-			z = ZONE_NORMAL;
-			rend = (cend < max_low_pfn)? cend : max_low_pfn;
-
-		} else {
-			z = ZONE_HIGHMEM;
-			rend = cend;
-		}
-		zones[z] += rend - cstart;
-		cstart = rend;
-	}
-}
-
 /*
  * The SRAT table always lists ascending addresses, so can always
  * assume that the first "start" address that you see is the real
@@ -223,7 +177,6 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp)
 
 	memset(pxm_bitmap, 0, sizeof(pxm_bitmap));	/* init proximity domain bitmap */
 	memset(node_memory_chunk, 0, sizeof(node_memory_chunk));
-	memset(zholes_size, 0, sizeof(zholes_size));
 
 	num_memory_chunks = 0;
 	while (p < end) {
@@ -287,6 +240,7 @@ static int __init acpi20_parse_srat(struct acpi_table_srat *sratp)
 		printk("chunk %d nid %d start_pfn %08lx end_pfn %08lx\n",
 		       j, chunk->nid, chunk->start_pfn, chunk->end_pfn);
 		node_read_chunk(chunk->nid, chunk);
+		add_active_range(chunk->nid, chunk->start_pfn, chunk->end_pfn);
 	}
  
 	for_each_online_node(nid) {
@@ -395,57 +349,7 @@ int __init get_memcfg_from_srat(void)
 		return acpi20_parse_srat((struct acpi_table_srat *)header);
 	}
 out_err:
+	remove_all_active_ranges();
 	printk("failed to get NUMA memory information from SRAT table\n");
 	return 0;
 }
-
-/* For each node run the memory list to determine whether there are
- * any memory holes.  For each hole determine which ZONE they fall
- * into.
- *
- * NOTE#1: this requires knowledge of the zone boundries and so
- * _cannot_ be performed before those are calculated in setup_memory.
- * 
- * NOTE#2: we rely on the fact that the memory chunks are ordered by
- * start pfn number during setup.
- */
-static void __init get_zholes_init(void)
-{
-	int nid;
-	int c;
-	int first;
-	unsigned long end = 0;
-
-	for_each_online_node(nid) {
-		first = 1;
-		for (c = 0; c < num_memory_chunks; c++){
-			if (node_memory_chunk[c].nid == nid) {
-				if (first) {
-					end = node_memory_chunk[c].end_pfn;
-					first = 0;
-
-				} else {
-					/* Record any gap between this chunk
-					 * and the previous chunk on this node
-					 * against the zones it spans.
-					 */
-					chunk_to_zones(end,
-						node_memory_chunk[c].start_pfn,
-						&zholes_size[nid * MAX_NR_ZONES]);
-				}
-			}
-		}
-	}
-}
-
-unsigned long * __init get_zholes_size(int nid)
-{
-	if (!zholes_size_init) {
-		zholes_size_init++;
-		get_zholes_init();
-	}
-	if (nid >= MAX_NUMNODES || !node_online(nid))
-		printk("%s: nid = %d is invalid/offline. num_online_nodes = %d",
-		       __FUNCTION__, nid, num_online_nodes());
-	return &zholes_size[nid * MAX_NR_ZONES];
-}
diff --git a/arch/i386/kernel/stacktrace.c b/arch/i386/kernel/stacktrace.c
deleted file mode 100644
index e62a037ab399..000000000000
--- a/arch/i386/kernel/stacktrace.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * arch/i386/kernel/stacktrace.c
- *
- * Stack trace management functions
- *
- *  Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
- */
-#include <linux/sched.h>
-#include <linux/stacktrace.h>
-
-static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
-{
-	return	p > (void *)tinfo &&
-		p < (void *)tinfo + THREAD_SIZE - 3;
-}
-
-/*
- * Save stack-backtrace addresses into a stack_trace buffer:
- */
-static inline unsigned long
-save_context_stack(struct stack_trace *trace, unsigned int skip,
-		   struct thread_info *tinfo, unsigned long *stack,
-		   unsigned long ebp)
-{
-	unsigned long addr;
-
-#ifdef CONFIG_FRAME_POINTER
-	while (valid_stack_ptr(tinfo, (void *)ebp)) {
-		addr = *(unsigned long *)(ebp + 4);
-		if (!skip)
-			trace->entries[trace->nr_entries++] = addr;
-		else
-			skip--;
-		if (trace->nr_entries >= trace->max_entries)
-			break;
-		/*
-		 * break out of recursive entries (such as
-		 * end_of_stack_stop_unwind_function):
-	 	 */
-		if (ebp == *(unsigned long *)ebp)
-			break;
-
-		ebp = *(unsigned long *)ebp;
-	}
-#else
-	while (valid_stack_ptr(tinfo, stack)) {
-		addr = *stack++;
-		if (__kernel_text_address(addr)) {
-			if (!skip)
-				trace->entries[trace->nr_entries++] = addr;
-			else
-				skip--;
-			if (trace->nr_entries >= trace->max_entries)
-				break;
-		}
-	}
-#endif
-
-	return ebp;
-}
-
-/*
- * Save stack-backtrace addresses into a stack_trace buffer.
- * If all_contexts is set, all contexts (hardirq, softirq and process)
- * are saved. If not set then only the current context is saved.
- */
-void save_stack_trace(struct stack_trace *trace,
-		      struct task_struct *task, int all_contexts,
-		      unsigned int skip)
-{
-	unsigned long ebp;
-	unsigned long *stack = &ebp;
-
-	WARN_ON(trace->nr_entries || !trace->max_entries);
-
-	if (!task || task == current) {
-		/* Grab ebp right from our regs: */
-		asm ("movl %%ebp, %0" : "=r" (ebp));
-	} else {
-		/* ebp is the last reg pushed by switch_to(): */
-		ebp = *(unsigned long *) task->thread.esp;
-	}
-
-	while (1) {
-		struct thread_info *context = (struct thread_info *)
-				((unsigned long)stack & (~(THREAD_SIZE - 1)));
-
-		ebp = save_context_stack(trace, skip, context, stack, ebp);
-		stack = (unsigned long *)context->previous_esp;
-		if (!all_contexts || !stack ||
-				trace->nr_entries >= trace->max_entries)
-			break;
-		trace->entries[trace->nr_entries++] = ULONG_MAX;
-		if (trace->nr_entries >= trace->max_entries)
-			break;
-	}
-}
-
diff --git a/arch/i386/kernel/syscall_table.S b/arch/i386/kernel/syscall_table.S
index dd63d4775398..7e639f78b0b9 100644
--- a/arch/i386/kernel/syscall_table.S
+++ b/arch/i386/kernel/syscall_table.S
@@ -317,3 +317,4 @@ ENTRY(sys_call_table)
 	.long sys_tee			/* 315 */
 	.long sys_vmsplice
 	.long sys_move_pages
+	.long sys_getcpu
diff --git a/arch/i386/kernel/time.c b/arch/i386/kernel/time.c
index edd00f6cee37..86944acfb647 100644
--- a/arch/i386/kernel/time.c
+++ b/arch/i386/kernel/time.c
@@ -130,18 +130,33 @@ static int set_rtc_mmss(unsigned long nowtime)
 
 int timer_ack;
 
-#if defined(CONFIG_SMP) && defined(CONFIG_FRAME_POINTER)
 unsigned long profile_pc(struct pt_regs *regs)
 {
 	unsigned long pc = instruction_pointer(regs);
 
-	if (!user_mode_vm(regs) && in_lock_functions(pc))
+#ifdef CONFIG_SMP
+	if (!user_mode_vm(regs) && in_lock_functions(pc)) {
+#ifdef CONFIG_FRAME_POINTER
 		return *(unsigned long *)(regs->ebp + 4);
-
+#else
+		unsigned long *sp;
+		if ((regs->xcs & 3) == 0)
+			sp = (unsigned long *)&regs->esp;
+		else
+			sp = (unsigned long *)regs->esp;
+		/* Return address is either directly at stack pointer
+		   or above a saved eflags. Eflags has bits 22-31 zero,
+		   kernel addresses don't. */
+ 		if (sp[0] >> 22)
+			return sp[0];
+		if (sp[1] >> 22)
+			return sp[1];
+#endif
+	}
+#endif
 	return pc;
 }
 EXPORT_SYMBOL(profile_pc);
-#endif
 
 /*
  * This is the same as the above, except we _also_ save the current
@@ -270,16 +285,19 @@ void notify_arch_cmos_timer(void)
 	mod_timer(&sync_cmos_timer, jiffies + 1);
 }
 
-static long clock_cmos_diff, sleep_start;
+static long clock_cmos_diff;
+static unsigned long sleep_start;
 
 static int timer_suspend(struct sys_device *dev, pm_message_t state)
 {
 	/*
 	 * Estimate time zone so that set_time can update the clock
 	 */
-	clock_cmos_diff = -get_cmos_time();
+	unsigned long ctime =  get_cmos_time();
+
+	clock_cmos_diff = -ctime;
 	clock_cmos_diff += get_seconds();
-	sleep_start = get_cmos_time();
+	sleep_start = ctime;
 	return 0;
 }
 
@@ -287,18 +305,29 @@ static int timer_resume(struct sys_device *dev)
 {
 	unsigned long flags;
 	unsigned long sec;
-	unsigned long sleep_length;
-
+	unsigned long ctime = get_cmos_time();
+	long sleep_length = (ctime - sleep_start) * HZ;
+	struct timespec ts;
+
+	if (sleep_length < 0) {
+		printk(KERN_WARNING "CMOS clock skew detected in timer resume!\n");
+		/* The time after the resume must not be earlier than the time
+		 * before the suspend or some nasty things will happen
+		 */
+		sleep_length = 0;
+		ctime = sleep_start;
+	}
 #ifdef CONFIG_HPET_TIMER
 	if (is_hpet_enabled())
 		hpet_reenable();
 #endif
 	setup_pit_timer();
-	sec = get_cmos_time() + clock_cmos_diff;
-	sleep_length = (get_cmos_time() - sleep_start) * HZ;
+
+	sec = ctime + clock_cmos_diff;
+	ts.tv_sec = sec;
+	ts.tv_nsec = 0;
+	do_settimeofday(&ts);
 	write_seqlock_irqsave(&xtime_lock, flags);
-	xtime.tv_sec = sec;
-	xtime.tv_nsec = 0;
 	jiffies_64 += sleep_length;
 	wall_jiffies += sleep_length;
 	write_sequnlock_irqrestore(&xtime_lock, flags);
@@ -334,10 +363,11 @@ extern void (*late_time_init)(void);
 /* Duplicate of time_init() below, with hpet_enable part added */
 static void __init hpet_time_init(void)
 {
-	xtime.tv_sec = get_cmos_time();
-	xtime.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ);
-	set_normalized_timespec(&wall_to_monotonic,
-		-xtime.tv_sec, -xtime.tv_nsec);
+	struct timespec ts;
+	ts.tv_sec = get_cmos_time();
+	ts.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ);
+
+	do_settimeofday(&ts);
 
 	if ((hpet_enable() >= 0) && hpet_use_timer) {
 		printk("Using HPET for base-timer\n");
@@ -349,6 +379,7 @@ static void __init hpet_time_init(void)
 
 void __init time_init(void)
 {
+	struct timespec ts;
 #ifdef CONFIG_HPET_TIMER
 	if (is_hpet_capable()) {
 		/*
@@ -359,10 +390,10 @@ void __init time_init(void)
 		return;
 	}
 #endif
-	xtime.tv_sec = get_cmos_time();
-	xtime.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ);
-	set_normalized_timespec(&wall_to_monotonic,
-		-xtime.tv_sec, -xtime.tv_nsec);
+	ts.tv_sec = get_cmos_time();
+	ts.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ);
+
+	do_settimeofday(&ts);
 
 	time_init_hook();
 }
diff --git a/arch/i386/kernel/time_hpet.c b/arch/i386/kernel/time_hpet.c
index 14a1376fedd1..6bf14a4e995e 100644
--- a/arch/i386/kernel/time_hpet.c
+++ b/arch/i386/kernel/time_hpet.c
@@ -301,23 +301,25 @@ int hpet_rtc_timer_init(void)
 		hpet_rtc_int_freq = DEFAULT_RTC_INT_FREQ;
 
 	local_irq_save(flags);
+
 	cnt = hpet_readl(HPET_COUNTER);
 	cnt += ((hpet_tick*HZ)/hpet_rtc_int_freq);
 	hpet_writel(cnt, HPET_T1_CMP);
 	hpet_t1_cmp = cnt;
-	local_irq_restore(flags);
 
 	cfg = hpet_readl(HPET_T1_CFG);
 	cfg &= ~HPET_TN_PERIODIC;
 	cfg |= HPET_TN_ENABLE | HPET_TN_32BIT;
 	hpet_writel(cfg, HPET_T1_CFG);
 
+	local_irq_restore(flags);
+
 	return 1;
 }
 
 static void hpet_rtc_timer_reinit(void)
 {
-	unsigned int cfg, cnt;
+	unsigned int cfg, cnt, ticks_per_int, lost_ints;
 
 	if (unlikely(!(PIE_on | AIE_on | UIE_on))) {
 		cfg = hpet_readl(HPET_T1_CFG);
@@ -332,10 +334,33 @@ static void hpet_rtc_timer_reinit(void)
 		hpet_rtc_int_freq = DEFAULT_RTC_INT_FREQ;
 
 	/* It is more accurate to use the comparator value than current count.*/
-	cnt = hpet_t1_cmp;
-	cnt += hpet_tick*HZ/hpet_rtc_int_freq;
-	hpet_writel(cnt, HPET_T1_CMP);
-	hpet_t1_cmp = cnt;
+	ticks_per_int = hpet_tick * HZ / hpet_rtc_int_freq;
+	hpet_t1_cmp += ticks_per_int;
+	hpet_writel(hpet_t1_cmp, HPET_T1_CMP);
+
+	/*
+	 * If the interrupt handler was delayed too long, the write above tries
+	 * to schedule the next interrupt in the past and the hardware would
+	 * not interrupt until the counter had wrapped around.
+	 * So we have to check that the comparator wasn't set to a past time.
+	 */
+	cnt = hpet_readl(HPET_COUNTER);
+	if (unlikely((int)(cnt - hpet_t1_cmp) > 0)) {
+		lost_ints = (cnt - hpet_t1_cmp) / ticks_per_int + 1;
+		/* Make sure that, even with the time needed to execute
+		 * this code, the next scheduled interrupt has been moved
+		 * back to the future: */
+		lost_ints++;
+
+		hpet_t1_cmp += lost_ints * ticks_per_int;
+		hpet_writel(hpet_t1_cmp, HPET_T1_CMP);
+
+		if (PIE_on)
+			PIE_count += lost_ints;
+
+		printk(KERN_WARNING "rtc: lost some interrupts at %ldHz.\n",
+		       hpet_rtc_int_freq);
+	}
 }
 
 /*
diff --git a/arch/i386/kernel/topology.c b/arch/i386/kernel/topology.c
index e2e281d4bcc8..07d6da36a825 100644
--- a/arch/i386/kernel/topology.c
+++ b/arch/i386/kernel/topology.c
@@ -28,6 +28,7 @@
 #include <linux/init.h>
 #include <linux/smp.h>
 #include <linux/nodemask.h>
+#include <linux/mmzone.h>
 #include <asm/cpu.h>
 
 static struct i386_cpu cpu_devices[NR_CPUS];
@@ -55,34 +56,18 @@ EXPORT_SYMBOL(arch_register_cpu);
 EXPORT_SYMBOL(arch_unregister_cpu);
 #endif /*CONFIG_HOTPLUG_CPU*/
 
-
-
-#ifdef CONFIG_NUMA
-#include <linux/mmzone.h>
-
 static int __init topology_init(void)
 {
 	int i;
 
+#ifdef CONFIG_NUMA
 	for_each_online_node(i)
 		register_one_node(i);
+#endif /* CONFIG_NUMA */
 
 	for_each_present_cpu(i)
 		arch_register_cpu(i);
 	return 0;
 }
 
-#else /* !CONFIG_NUMA */
-
-static int __init topology_init(void)
-{
-	int i;
-
-	for_each_present_cpu(i)
-		arch_register_cpu(i);
-	return 0;
-}
-
-#endif /* CONFIG_NUMA */
-
 subsys_initcall(topology_init);
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 7e9edafffd8a..a13037fe0ee3 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -28,6 +28,7 @@
 #include <linux/kprobes.h>
 #include <linux/kexec.h>
 #include <linux/unwind.h>
+#include <linux/uaccess.h>
 
 #ifdef CONFIG_EISA
 #include <linux/ioport.h>
@@ -40,7 +41,6 @@
 
 #include <asm/processor.h>
 #include <asm/system.h>
-#include <asm/uaccess.h>
 #include <asm/io.h>
 #include <asm/atomic.h>
 #include <asm/debugreg.h>
@@ -51,6 +51,7 @@
 #include <asm/smp.h>
 #include <asm/arch_hooks.h>
 #include <asm/kdebug.h>
+#include <asm/stacktrace.h>
 
 #include <linux/module.h>
 
@@ -118,26 +119,16 @@ static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
 		p < (void *)tinfo + THREAD_SIZE - 3;
 }
 
-/*
- * Print one address/symbol entries per line.
- */
-static inline void print_addr_and_symbol(unsigned long addr, char *log_lvl)
-{
-	printk(" [<%08lx>] ", addr);
-
-	print_symbol("%s\n", addr);
-}
-
 static inline unsigned long print_context_stack(struct thread_info *tinfo,
 				unsigned long *stack, unsigned long ebp,
-				char *log_lvl)
+				struct stacktrace_ops *ops, void *data)
 {
 	unsigned long addr;
 
 #ifdef	CONFIG_FRAME_POINTER
 	while (valid_stack_ptr(tinfo, (void *)ebp)) {
 		addr = *(unsigned long *)(ebp + 4);
-		print_addr_and_symbol(addr, log_lvl);
+		ops->address(data, addr);
 		/*
 		 * break out of recursive entries (such as
 		 * end_of_stack_stop_unwind_function):
@@ -150,30 +141,37 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo,
 	while (valid_stack_ptr(tinfo, stack)) {
 		addr = *stack++;
 		if (__kernel_text_address(addr))
-			print_addr_and_symbol(addr, log_lvl);
+			ops->address(data, addr);
 	}
 #endif
 	return ebp;
 }
 
+struct ops_and_data {
+	struct stacktrace_ops *ops;
+	void *data;
+};
+
 static asmlinkage int
-show_trace_unwind(struct unwind_frame_info *info, void *log_lvl)
+dump_trace_unwind(struct unwind_frame_info *info, void *data)
 {
+	struct ops_and_data *oad = (struct ops_and_data *)data;
 	int n = 0;
 
 	while (unwind(info) == 0 && UNW_PC(info)) {
 		n++;
-		print_addr_and_symbol(UNW_PC(info), log_lvl);
+		oad->ops->address(oad->data, UNW_PC(info));
 		if (arch_unw_user_mode(info))
 			break;
 	}
 	return n;
 }
 
-static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
-			       unsigned long *stack, char *log_lvl)
+void dump_trace(struct task_struct *task, struct pt_regs *regs,
+	        unsigned long *stack,
+		struct stacktrace_ops *ops, void *data)
 {
-	unsigned long ebp;
+	unsigned long ebp = 0;
 
 	if (!task)
 		task = current;
@@ -181,54 +179,116 @@ static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
 	if (call_trace >= 0) {
 		int unw_ret = 0;
 		struct unwind_frame_info info;
+		struct ops_and_data oad = { .ops = ops, .data = data };
 
 		if (regs) {
 			if (unwind_init_frame_info(&info, task, regs) == 0)
-				unw_ret = show_trace_unwind(&info, log_lvl);
+				unw_ret = dump_trace_unwind(&info, &oad);
 		} else if (task == current)
-			unw_ret = unwind_init_running(&info, show_trace_unwind, log_lvl);
+			unw_ret = unwind_init_running(&info, dump_trace_unwind, &oad);
 		else {
 			if (unwind_init_blocked(&info, task) == 0)
-				unw_ret = show_trace_unwind(&info, log_lvl);
+				unw_ret = dump_trace_unwind(&info, &oad);
 		}
 		if (unw_ret > 0) {
 			if (call_trace == 1 && !arch_unw_user_mode(&info)) {
-				print_symbol("DWARF2 unwinder stuck at %s\n",
+				ops->warning_symbol(data, "DWARF2 unwinder stuck at %s\n",
 					     UNW_PC(&info));
 				if (UNW_SP(&info) >= PAGE_OFFSET) {
-					printk("Leftover inexact backtrace:\n");
+					ops->warning(data, "Leftover inexact backtrace:\n");
 					stack = (void *)UNW_SP(&info);
+					if (!stack)
+						return;
+					ebp = UNW_FP(&info);
 				} else
-					printk("Full inexact backtrace again:\n");
+					ops->warning(data, "Full inexact backtrace again:\n");
 			} else if (call_trace >= 1)
 				return;
 			else
-				printk("Full inexact backtrace again:\n");
+				ops->warning(data, "Full inexact backtrace again:\n");
 		} else
-			printk("Inexact backtrace:\n");
+			ops->warning(data, "Inexact backtrace:\n");
+	}
+	if (!stack) {
+		unsigned long dummy;
+		stack = &dummy;
+		if (task && task != current)
+			stack = (unsigned long *)task->thread.esp;
 	}
 
-	if (task == current) {
-		/* Grab ebp right from our regs */
-		asm ("movl %%ebp, %0" : "=r" (ebp) : );
-	} else {
-		/* ebp is the last reg pushed by switch_to */
-		ebp = *(unsigned long *) task->thread.esp;
+#ifdef CONFIG_FRAME_POINTER
+	if (!ebp) {
+		if (task == current) {
+			/* Grab ebp right from our regs */
+			asm ("movl %%ebp, %0" : "=r" (ebp) : );
+		} else {
+			/* ebp is the last reg pushed by switch_to */
+			ebp = *(unsigned long *) task->thread.esp;
+		}
 	}
+#endif
 
 	while (1) {
 		struct thread_info *context;
 		context = (struct thread_info *)
 			((unsigned long)stack & (~(THREAD_SIZE - 1)));
-		ebp = print_context_stack(context, stack, ebp, log_lvl);
+		ebp = print_context_stack(context, stack, ebp, ops, data);
+		/* Should be after the line below, but somewhere
+		   in early boot context comes out corrupted and we
+		   can't reference it -AK */
+		if (ops->stack(data, "IRQ") < 0)
+			break;
 		stack = (unsigned long*)context->previous_esp;
 		if (!stack)
 			break;
-		printk("%s =======================\n", log_lvl);
 	}
 }
+EXPORT_SYMBOL(dump_trace);
+
+static void
+print_trace_warning_symbol(void *data, char *msg, unsigned long symbol)
+{
+	printk(data);
+	print_symbol(msg, symbol);
+	printk("\n");
+}
+
+static void print_trace_warning(void *data, char *msg)
+{
+	printk("%s%s\n", (char *)data, msg);
+}
+
+static int print_trace_stack(void *data, char *name)
+{
+	return 0;
+}
+
+/*
+ * Print one address/symbol entries per line.
+ */
+static void print_trace_address(void *data, unsigned long addr)
+{
+	printk("%s [<%08lx>] ", (char *)data, addr);
+	print_symbol("%s\n", addr);
+}
+
+static struct stacktrace_ops print_trace_ops = {
+	.warning = print_trace_warning,
+	.warning_symbol = print_trace_warning_symbol,
+	.stack = print_trace_stack,
+	.address = print_trace_address,
+};
+
+static void
+show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
+		   unsigned long * stack, char *log_lvl)
+{
+	dump_trace(task, regs, stack, &print_trace_ops, log_lvl);
+	printk("%s =======================\n", log_lvl);
+}
 
-void show_trace(struct task_struct *task, struct pt_regs *regs, unsigned long * stack)
+void show_trace(struct task_struct *task, struct pt_regs *regs,
+		unsigned long * stack)
 {
 	show_trace_log_lvl(task, regs, stack, "");
 }
@@ -291,8 +351,9 @@ void show_registers(struct pt_regs *regs)
 		ss = regs->xss & 0xffff;
 	}
 	print_modules();
-	printk(KERN_EMERG "CPU:    %d\nEIP:    %04x:[<%08lx>]    %s VLI\n"
-			"EFLAGS: %08lx   (%s %.*s) \n",
+	printk(KERN_EMERG "CPU:    %d\n"
+		KERN_EMERG "EIP:    %04x:[<%08lx>]    %s VLI\n"
+		KERN_EMERG "EFLAGS: %08lx   (%s %.*s)\n",
 		smp_processor_id(), 0xffff & regs->xcs, regs->eip,
 		print_tainted(), regs->eflags, system_utsname.release,
 		(int)strcspn(system_utsname.version, " "),
@@ -313,6 +374,8 @@ void show_registers(struct pt_regs *regs)
 	 */
 	if (in_kernel) {
 		u8 __user *eip;
+		int code_bytes = 64;
+		unsigned char c;
 
 		printk("\n" KERN_EMERG "Stack: ");
 		show_stack_log_lvl(NULL, regs, (unsigned long *)esp, KERN_EMERG);
@@ -320,9 +383,12 @@ void show_registers(struct pt_regs *regs)
 		printk(KERN_EMERG "Code: ");
 
 		eip = (u8 __user *)regs->eip - 43;
-		for (i = 0; i < 64; i++, eip++) {
-			unsigned char c;
-
+		if (eip < (u8 __user *)PAGE_OFFSET || __get_user(c, eip)) {
+			/* try starting at EIP */
+			eip = (u8 __user *)regs->eip;
+			code_bytes = 32;
+		}
+		for (i = 0; i < code_bytes; i++, eip++) {
 			if (eip < (u8 __user *)PAGE_OFFSET || __get_user(c, eip)) {
 				printk(" Bad EIP value.");
 				break;
@@ -343,7 +409,7 @@ static void handle_BUG(struct pt_regs *regs)
 
 	if (eip < PAGE_OFFSET)
 		return;
-	if (__get_user(ud2, (unsigned short __user *)eip))
+	if (probe_kernel_address((unsigned short __user *)eip, ud2))
 		return;
 	if (ud2 != 0x0b0f)
 		return;
@@ -356,7 +422,8 @@ static void handle_BUG(struct pt_regs *regs)
 		char *file;
 		char c;
 
-		if (__get_user(line, (unsigned short __user *)(eip + 2)))
+		if (probe_kernel_address((unsigned short __user *)(eip + 2),
+					line))
 			break;
 		if (__get_user(file, (char * __user *)(eip + 4)) ||
 		    (unsigned long)file < PAGE_OFFSET || __get_user(c, file))
@@ -629,18 +696,24 @@ gp_in_kernel:
 	}
 }
 
-static void mem_parity_error(unsigned char reason, struct pt_regs * regs)
+static __kprobes void
+mem_parity_error(unsigned char reason, struct pt_regs * regs)
 {
-	printk(KERN_EMERG "Uhhuh. NMI received. Dazed and confused, but trying "
-			"to continue\n");
+	printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x on "
+		"CPU %d.\n", reason, smp_processor_id());
 	printk(KERN_EMERG "You probably have a hardware problem with your RAM "
 			"chips\n");
+	if (panic_on_unrecovered_nmi)
+                panic("NMI: Not continuing");
+
+	printk(KERN_EMERG "Dazed and confused, but trying to continue\n");
 
 	/* Clear and disable the memory parity error line. */
 	clear_mem_error(reason);
 }
 
-static void io_check_error(unsigned char reason, struct pt_regs * regs)
+static __kprobes void
+io_check_error(unsigned char reason, struct pt_regs * regs)
 {
 	unsigned long i;
 
@@ -656,7 +729,8 @@ static void io_check_error(unsigned char reason, struct pt_regs * regs)
 	outb(reason, 0x61);
 }
 
-static void unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
+static __kprobes void
+unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
 {
 #ifdef CONFIG_MCA
 	/* Might actually be able to figure out what the guilty party
@@ -666,15 +740,18 @@ static void unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
 		return;
 	}
 #endif
-	printk("Uhhuh. NMI received for unknown reason %02x on CPU %d.\n",
-		reason, smp_processor_id());
-	printk("Dazed and confused, but trying to continue\n");
-	printk("Do you have a strange power saving mode enabled?\n");
+	printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x on "
+		"CPU %d.\n", reason, smp_processor_id());
+	printk(KERN_EMERG "Do you have a strange power saving mode enabled?\n");
+	if (panic_on_unrecovered_nmi)
+                panic("NMI: Not continuing");
+
+	printk(KERN_EMERG "Dazed and confused, but trying to continue\n");
 }
 
 static DEFINE_SPINLOCK(nmi_print_lock);
 
-void die_nmi (struct pt_regs *regs, const char *msg)
+void __kprobes die_nmi(struct pt_regs *regs, const char *msg)
 {
 	if (notify_die(DIE_NMIWATCHDOG, msg, regs, 0, 2, SIGINT) ==
 	    NOTIFY_STOP)
@@ -706,7 +783,7 @@ void die_nmi (struct pt_regs *regs, const char *msg)
 	do_exit(SIGSEGV);
 }
 
-static void default_do_nmi(struct pt_regs * regs)
+static __kprobes void default_do_nmi(struct pt_regs * regs)
 {
 	unsigned char reason = 0;
 
@@ -723,12 +800,12 @@ static void default_do_nmi(struct pt_regs * regs)
 		 * Ok, so this is none of the documented NMI sources,
 		 * so it must be the NMI watchdog.
 		 */
-		if (nmi_watchdog) {
-			nmi_watchdog_tick(regs);
+		if (nmi_watchdog_tick(regs, reason))
 			return;
-		}
+		if (!do_nmi_callback(regs, smp_processor_id()))
 #endif
-		unknown_nmi_error(reason, regs);
+			unknown_nmi_error(reason, regs);
+
 		return;
 	}
 	if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT) == NOTIFY_STOP)
@@ -744,14 +821,7 @@ static void default_do_nmi(struct pt_regs * regs)
 	reassert_nmi();
 }
 
-static int dummy_nmi_callback(struct pt_regs * regs, int cpu)
-{
-	return 0;
-}
- 
-static nmi_callback_t nmi_callback = dummy_nmi_callback;
- 
-fastcall void do_nmi(struct pt_regs * regs, long error_code)
+fastcall __kprobes void do_nmi(struct pt_regs * regs, long error_code)
 {
 	int cpu;
 
@@ -761,25 +831,11 @@ fastcall void do_nmi(struct pt_regs * regs, long error_code)
 
 	++nmi_count(cpu);
 
-	if (!rcu_dereference(nmi_callback)(regs, cpu))
-		default_do_nmi(regs);
+	default_do_nmi(regs);
 
 	nmi_exit();
 }
 
-void set_nmi_callback(nmi_callback_t callback)
-{
-	vmalloc_sync_all();
-	rcu_assign_pointer(nmi_callback, callback);
-}
-EXPORT_SYMBOL_GPL(set_nmi_callback);
-
-void unset_nmi_callback(void)
-{
-	nmi_callback = dummy_nmi_callback;
-}
-EXPORT_SYMBOL_GPL(unset_nmi_callback);
-
 #ifdef CONFIG_KPROBES
 fastcall void __kprobes do_int3(struct pt_regs *regs, long error_code)
 {
@@ -1119,20 +1175,6 @@ void __init trap_init_f00f_bug(void)
 }
 #endif
 
-#define _set_gate(gate_addr,type,dpl,addr,seg) \
-do { \
-  int __d0, __d1; \
-  __asm__ __volatile__ ("movw %%dx,%%ax\n\t" \
-	"movw %4,%%dx\n\t" \
-	"movl %%eax,%0\n\t" \
-	"movl %%edx,%1" \
-	:"=m" (*((long *) (gate_addr))), \
-	 "=m" (*(1+(long *) (gate_addr))), "=&a" (__d0), "=&d" (__d1) \
-	:"i" ((short) (0x8000+(dpl<<13)+(type<<8))), \
-	 "3" ((char *) (addr)),"2" ((seg) << 16)); \
-} while (0)
-
-
 /*
  * This needs to use 'idt_table' rather than 'idt', and
  * thus use the _nonmapped_ version of the IDT, as the
@@ -1141,7 +1183,7 @@ do { \
  */
 void set_intr_gate(unsigned int n, void *addr)
 {
-	_set_gate(idt_table+n,14,0,addr,__KERNEL_CS);
+	_set_gate(n, DESCTYPE_INT, addr, __KERNEL_CS);
 }
 
 /*
@@ -1149,22 +1191,22 @@ void set_intr_gate(unsigned int n, void *addr)
  */
 static inline void set_system_intr_gate(unsigned int n, void *addr)
 {
-	_set_gate(idt_table+n, 14, 3, addr, __KERNEL_CS);
+	_set_gate(n, DESCTYPE_INT | DESCTYPE_DPL3, addr, __KERNEL_CS);
 }
 
 static void __init set_trap_gate(unsigned int n, void *addr)
 {
-	_set_gate(idt_table+n,15,0,addr,__KERNEL_CS);
+	_set_gate(n, DESCTYPE_TRAP, addr, __KERNEL_CS);
 }
 
 static void __init set_system_gate(unsigned int n, void *addr)
 {
-	_set_gate(idt_table+n,15,3,addr,__KERNEL_CS);
+	_set_gate(n, DESCTYPE_TRAP | DESCTYPE_DPL3, addr, __KERNEL_CS);
 }
 
 static void __init set_task_gate(unsigned int n, unsigned int gdt_entry)
 {
-	_set_gate(idt_table+n,5,0,0,(gdt_entry<<3));
+	_set_gate(n, DESCTYPE_TASK, (void *)0, (gdt_entry<<3));
 }
 
 
diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c
index 7e0d8dab2075..b8fa0a8b2e47 100644
--- a/arch/i386/kernel/tsc.c
+++ b/arch/i386/kernel/tsc.c
@@ -192,7 +192,7 @@ int recalibrate_cpu_khz(void)
 
 EXPORT_SYMBOL(recalibrate_cpu_khz);
 
-void tsc_init(void)
+void __init tsc_init(void)
 {
 	if (!cpu_has_tsc || tsc_disable)
 		return;
diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S
index 2d4f1386e2b1..1e7ac1c44ddc 100644
--- a/arch/i386/kernel/vmlinux.lds.S
+++ b/arch/i386/kernel/vmlinux.lds.S
@@ -13,6 +13,12 @@ OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
 OUTPUT_ARCH(i386)
 ENTRY(phys_startup_32)
 jiffies = jiffies_64;
+
+PHDRS {
+	text PT_LOAD FLAGS(5);	/* R_E */
+	data PT_LOAD FLAGS(7);	/* RWE */
+	note PT_NOTE FLAGS(4);	/* R__ */
+}
 SECTIONS
 {
   . = __KERNEL_START;
@@ -26,7 +32,7 @@ SECTIONS
 	KPROBES_TEXT
 	*(.fixup)
 	*(.gnu.warning)
-	} = 0x9090
+	} :text = 0x9090
 
   _etext = .;			/* End of text section */
 
@@ -48,7 +54,7 @@ SECTIONS
   .data : AT(ADDR(.data) - LOAD_OFFSET) {	/* Data */
 	*(.data)
 	CONSTRUCTORS
-	}
+	} :data
 
   . = ALIGN(4096);
   __nosave_begin = .;
@@ -184,4 +190,6 @@ SECTIONS
   STABS_DEBUG
 
   DWARF_DEBUG
+
+  NOTES
 }
diff --git a/arch/i386/lib/Makefile b/arch/i386/lib/Makefile
index 914933e9ec3d..d86a548b8d54 100644
--- a/arch/i386/lib/Makefile
+++ b/arch/i386/lib/Makefile
@@ -4,6 +4,6 @@
 
 
 lib-y = checksum.o delay.o usercopy.o getuser.o putuser.o memcpy.o strstr.o \
-	bitops.o
+	bitops.o semaphore.o
 
 lib-$(CONFIG_X86_USE_3DNOW) += mmx.o
diff --git a/arch/i386/lib/semaphore.S b/arch/i386/lib/semaphore.S
new file mode 100644
index 000000000000..01f80b5c45d2
--- /dev/null
+++ b/arch/i386/lib/semaphore.S
@@ -0,0 +1,217 @@
+/*
+ * i386 semaphore implementation.
+ *
+ * (C) Copyright 1999 Linus Torvalds
+ *
+ * Portions Copyright 1999 Red Hat, Inc.
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License
+ *	as published by the Free Software Foundation; either version
+ *	2 of the License, or (at your option) any later version.
+ *
+ * rw semaphores implemented November 1999 by Benjamin LaHaise <bcrl@kvack.org>
+ */
+
+#include <linux/config.h>
+#include <linux/linkage.h>
+#include <asm/rwlock.h>
+#include <asm/alternative-asm.i>
+#include <asm/frame.i>
+#include <asm/dwarf2.h>
+
+/*
+ * The semaphore operations have a special calling sequence that
+ * allow us to do a simpler in-line version of them. These routines
+ * need to convert that sequence back into the C sequence when
+ * there is contention on the semaphore.
+ *
+ * %eax contains the semaphore pointer on entry. Save the C-clobbered
+ * registers (%eax, %edx and %ecx) except %eax whish is either a return
+ * value or just clobbered..
+ */
+	.section .sched.text
+ENTRY(__down_failed)
+	CFI_STARTPROC
+	FRAME
+	pushl %edx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET edx,0
+	pushl %ecx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET ecx,0
+	call __down
+	popl %ecx
+	CFI_ADJUST_CFA_OFFSET -4
+	CFI_RESTORE ecx
+	popl %edx
+	CFI_ADJUST_CFA_OFFSET -4
+	CFI_RESTORE edx
+	ENDFRAME
+	ret
+	CFI_ENDPROC
+	END(__down_failed)
+
+ENTRY(__down_failed_interruptible)
+	CFI_STARTPROC
+	FRAME
+	pushl %edx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET edx,0
+	pushl %ecx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET ecx,0
+	call __down_interruptible
+	popl %ecx
+	CFI_ADJUST_CFA_OFFSET -4
+	CFI_RESTORE ecx
+	popl %edx
+	CFI_ADJUST_CFA_OFFSET -4
+	CFI_RESTORE edx
+	ENDFRAME
+	ret
+	CFI_ENDPROC
+	END(__down_failed_interruptible)
+
+ENTRY(__down_failed_trylock)
+	CFI_STARTPROC
+	FRAME
+	pushl %edx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET edx,0
+	pushl %ecx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET ecx,0
+	call __down_trylock
+	popl %ecx
+	CFI_ADJUST_CFA_OFFSET -4
+	CFI_RESTORE ecx
+	popl %edx
+	CFI_ADJUST_CFA_OFFSET -4
+	CFI_RESTORE edx
+	ENDFRAME
+	ret
+	CFI_ENDPROC
+	END(__down_failed_trylock)
+
+ENTRY(__up_wakeup)
+	CFI_STARTPROC
+	FRAME
+	pushl %edx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET edx,0
+	pushl %ecx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET ecx,0
+	call __up
+	popl %ecx
+	CFI_ADJUST_CFA_OFFSET -4
+	CFI_RESTORE ecx
+	popl %edx
+	CFI_ADJUST_CFA_OFFSET -4
+	CFI_RESTORE edx
+	ENDFRAME
+	ret
+	CFI_ENDPROC
+	END(__up_wakeup)
+
+/*
+ * rw spinlock fallbacks
+ */
+#ifdef CONFIG_SMP
+ENTRY(__write_lock_failed)
+	CFI_STARTPROC simple
+	FRAME
+2: 	LOCK_PREFIX
+	addl	$ RW_LOCK_BIAS,(%eax)
+1:	rep; nop
+	cmpl	$ RW_LOCK_BIAS,(%eax)
+	jne	1b
+	LOCK_PREFIX
+	subl	$ RW_LOCK_BIAS,(%eax)
+	jnz	2b
+	ENDFRAME
+	ret
+	CFI_ENDPROC
+	END(__write_lock_failed)
+
+ENTRY(__read_lock_failed)
+	CFI_STARTPROC
+	FRAME
+2: 	LOCK_PREFIX
+	incl	(%eax)
+1:	rep; nop
+	cmpl	$1,(%eax)
+	js	1b
+	LOCK_PREFIX
+	decl	(%eax)
+	js	2b
+	ENDFRAME
+	ret
+	CFI_ENDPROC
+	END(__read_lock_failed)
+
+#endif
+
+/* Fix up special calling conventions */
+ENTRY(call_rwsem_down_read_failed)
+	CFI_STARTPROC
+	push %ecx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET ecx,0
+	push %edx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET edx,0
+	call rwsem_down_read_failed
+	pop %edx
+	CFI_ADJUST_CFA_OFFSET -4
+	pop %ecx
+	CFI_ADJUST_CFA_OFFSET -4
+	ret
+	CFI_ENDPROC
+	END(call_rwsem_down_read_failed)
+
+ENTRY(call_rwsem_down_write_failed)
+	CFI_STARTPROC
+	push %ecx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET ecx,0
+	calll rwsem_down_write_failed
+	pop %ecx
+	CFI_ADJUST_CFA_OFFSET -4
+	ret
+	CFI_ENDPROC
+	END(call_rwsem_down_write_failed)
+
+ENTRY(call_rwsem_wake)
+	CFI_STARTPROC
+	decw %dx    /* do nothing if still outstanding active readers */
+	jnz 1f
+	push %ecx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET ecx,0
+	call rwsem_wake
+	pop %ecx
+	CFI_ADJUST_CFA_OFFSET -4
+1:	ret
+	CFI_ENDPROC
+	END(call_rwsem_wake)
+
+/* Fix up special calling conventions */
+ENTRY(call_rwsem_downgrade_wake)
+	CFI_STARTPROC
+	push %ecx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET ecx,0
+	push %edx
+	CFI_ADJUST_CFA_OFFSET 4
+	CFI_REL_OFFSET edx,0
+	call rwsem_downgrade_wake
+	pop %edx
+	CFI_ADJUST_CFA_OFFSET -4
+	pop %ecx
+	CFI_ADJUST_CFA_OFFSET -4
+	ret
+	CFI_ENDPROC
+	END(call_rwsem_downgrade_wake)
+
diff --git a/arch/i386/mach-generic/bigsmp.c b/arch/i386/mach-generic/bigsmp.c
index ef7a6e6fcb9f..33d9f93557ba 100644
--- a/arch/i386/mach-generic/bigsmp.c
+++ b/arch/i386/mach-generic/bigsmp.c
@@ -5,6 +5,7 @@
 #define APIC_DEFINITION 1
 #include <linux/threads.h>
 #include <linux/cpumask.h>
+#include <asm/smp.h>
 #include <asm/mpspec.h>
 #include <asm/genapic.h>
 #include <asm/fixmap.h>
diff --git a/arch/i386/mach-generic/es7000.c b/arch/i386/mach-generic/es7000.c
index 845cdd0b3593..aa144d82334d 100644
--- a/arch/i386/mach-generic/es7000.c
+++ b/arch/i386/mach-generic/es7000.c
@@ -4,6 +4,7 @@
 #define APIC_DEFINITION 1
 #include <linux/threads.h>
 #include <linux/cpumask.h>
+#include <asm/smp.h>
 #include <asm/mpspec.h>
 #include <asm/genapic.h>
 #include <asm/fixmap.h>
diff --git a/arch/i386/mach-generic/probe.c b/arch/i386/mach-generic/probe.c
index bcd1bcfaa723..94b1fd9cbe3c 100644
--- a/arch/i386/mach-generic/probe.c
+++ b/arch/i386/mach-generic/probe.c
@@ -9,6 +9,7 @@
 #include <linux/kernel.h>
 #include <linux/ctype.h>
 #include <linux/init.h>
+#include <linux/errno.h>
 #include <asm/fixmap.h>
 #include <asm/mpspec.h>
 #include <asm/apicdef.h>
@@ -29,7 +30,24 @@ struct genapic *apic_probe[] __initdata = {
 	NULL,
 };
 
-static int cmdline_apic;
+static int cmdline_apic __initdata;
+static int __init parse_apic(char *arg)
+{
+	int i;
+
+	if (!arg)
+		return -EINVAL;
+
+	for (i = 0; apic_probe[i]; i++) {
+		if (!strcmp(apic_probe[i]->name, arg)) {
+			genapic = apic_probe[i];
+			cmdline_apic = 1;
+			return 0;
+		}
+	}
+	return -ENOENT;
+}
+early_param("apic", parse_apic);
 
 void __init generic_bigsmp_probe(void)
 {
@@ -48,40 +66,20 @@ void __init generic_bigsmp_probe(void)
 		}
 }
 
-void __init generic_apic_probe(char *command_line) 
+void __init generic_apic_probe(void)
 { 
-	char *s;
-	int i;
-	int changed = 0;
-
-	s = strstr(command_line, "apic=");
-	if (s && (s == command_line || isspace(s[-1]))) { 
-		char *p = strchr(s, ' '), old; 
-		if (!p)
-			p = strchr(s, '\0'); 
-		old = *p; 
-		*p = 0; 
-		for (i = 0; !changed && apic_probe[i]; i++) {
-			if (!strcmp(apic_probe[i]->name, s+5)) { 
-				changed = 1;
+	if (!cmdline_apic) {
+		int i;
+		for (i = 0; apic_probe[i]; i++) {
+			if (apic_probe[i]->probe()) {
 				genapic = apic_probe[i];
+				break;
 			}
 		}
-		if (!changed)
-			printk(KERN_ERR "Unknown genapic `%s' specified.\n", s);
-		*p = old;
-		cmdline_apic = changed;
-	} 
-	for (i = 0; !changed && apic_probe[i]; i++) { 
-		if (apic_probe[i]->probe()) {
-			changed = 1;
-			genapic = apic_probe[i]; 
-		} 
+		/* Not visible without early console */
+		if (!apic_probe[i])
+			panic("Didn't find an APIC driver");
 	}
-	/* Not visible without early console */ 
-	if (!changed) 
-		panic("Didn't find an APIC driver"); 
-
 	printk(KERN_INFO "Using APIC driver %s\n", genapic->name);
 } 
 
@@ -119,7 +117,9 @@ int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 	return 0;	
 }
 
+#ifdef CONFIG_SMP
 int hard_smp_processor_id(void)
 {
 	return genapic->get_apic_id(*(unsigned long *)(APIC_BASE+APIC_ID));
 }
+#endif
diff --git a/arch/i386/mach-generic/summit.c b/arch/i386/mach-generic/summit.c
index b73501ddd653..f7e5d66648dc 100644
--- a/arch/i386/mach-generic/summit.c
+++ b/arch/i386/mach-generic/summit.c
@@ -4,6 +4,7 @@
 #define APIC_DEFINITION 1
 #include <linux/threads.h>
 #include <linux/cpumask.h>
+#include <asm/smp.h>
 #include <asm/mpspec.h>
 #include <asm/genapic.h>
 #include <asm/fixmap.h>
diff --git a/arch/i386/mach-voyager/voyager_thread.c b/arch/i386/mach-voyager/voyager_thread.c
index 50f6de6ff64d..f39887359e8e 100644
--- a/arch/i386/mach-voyager/voyager_thread.c
+++ b/arch/i386/mach-voyager/voyager_thread.c
@@ -130,7 +130,6 @@ thread(void *unused)
 	init_timer(&wakeup_timer);
 
 	sigfillset(&current->blocked);
-	current->signal->tty = NULL;
 
 	printk(KERN_NOTICE "Voyager starting monitor thread\n");
 
diff --git a/arch/i386/mm/boot_ioremap.c b/arch/i386/mm/boot_ioremap.c
index 5d44f4f5ff59..4de11f508c3a 100644
--- a/arch/i386/mm/boot_ioremap.c
+++ b/arch/i386/mm/boot_ioremap.c
@@ -29,8 +29,11 @@
  */
 
 #define BOOT_PTE_PTRS (PTRS_PER_PTE*2)
-#define boot_pte_index(address) \
-	     (((address) >> PAGE_SHIFT) & (BOOT_PTE_PTRS - 1))
+
+static unsigned long boot_pte_index(unsigned long vaddr) 
+{
+	return __pa(vaddr) >> PAGE_SHIFT;
+}
 
 static inline boot_pte_t* boot_vaddr_to_pte(void *address)
 {
diff --git a/arch/i386/mm/discontig.c b/arch/i386/mm/discontig.c
index 7c392dc553b8..51e3739dd227 100644
--- a/arch/i386/mm/discontig.c
+++ b/arch/i386/mm/discontig.c
@@ -117,7 +117,8 @@ void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags);
 
 void *node_remap_end_vaddr[MAX_NUMNODES];
 void *node_remap_alloc_vaddr[MAX_NUMNODES];
-
+static unsigned long kva_start_pfn;
+static unsigned long kva_pages;
 /*
  * FLAT - support for basic PC memory model with discontig enabled, essentially
  *        a single node with all available processors in it with a flat
@@ -156,21 +157,6 @@ static void __init find_max_pfn_node(int nid)
 		BUG();
 }
 
-/* Find the owning node for a pfn. */
-int early_pfn_to_nid(unsigned long pfn)
-{
-	int nid;
-
-	for_each_node(nid) {
-		if (node_end_pfn[nid] == 0)
-			break;
-		if (node_start_pfn[nid] <= pfn && node_end_pfn[nid] >= pfn)
-			return nid;
-	}
-
-	return 0;
-}
-
 /* 
  * Allocate memory for the pg_data_t for this node via a crude pre-bootmem
  * method.  For node zero take this from the bottom of memory, for
@@ -226,6 +212,8 @@ static unsigned long calculate_numa_remap_pages(void)
 	unsigned long pfn;
 
 	for_each_online_node(nid) {
+		unsigned old_end_pfn = node_end_pfn[nid];
+
 		/*
 		 * The acpi/srat node info can show hot-add memroy zones
 		 * where memory could be added but not currently present.
@@ -275,6 +263,7 @@ static unsigned long calculate_numa_remap_pages(void)
 
 		node_end_pfn[nid] -= size;
 		node_remap_start_pfn[nid] = node_end_pfn[nid];
+		shrink_active_range(nid, old_end_pfn, node_end_pfn[nid]);
 	}
 	printk("Reserving total of %ld pages for numa KVA remap\n",
 			reserve_pages);
@@ -286,7 +275,6 @@ unsigned long __init setup_memory(void)
 {
 	int nid;
 	unsigned long system_start_pfn, system_max_low_pfn;
-	unsigned long reserve_pages;
 
 	/*
 	 * When mapping a NUMA machine we allocate the node_mem_map arrays
@@ -298,14 +286,23 @@ unsigned long __init setup_memory(void)
 	find_max_pfn();
 	get_memcfg_numa();
 
-	reserve_pages = calculate_numa_remap_pages();
+	kva_pages = calculate_numa_remap_pages();
 
 	/* partially used pages are not usable - thus round upwards */
 	system_start_pfn = min_low_pfn = PFN_UP(init_pg_tables_end);
 
-	system_max_low_pfn = max_low_pfn = find_max_low_pfn() - reserve_pages;
-	printk("reserve_pages = %ld find_max_low_pfn() ~ %ld\n",
-			reserve_pages, max_low_pfn + reserve_pages);
+	kva_start_pfn = find_max_low_pfn() - kva_pages;
+
+#ifdef CONFIG_BLK_DEV_INITRD
+	/* Numa kva area is below the initrd */
+	if (LOADER_TYPE && INITRD_START)
+		kva_start_pfn = PFN_DOWN(INITRD_START)  - kva_pages;
+#endif
+	kva_start_pfn -= kva_start_pfn & (PTRS_PER_PTE-1);
+
+	system_max_low_pfn = max_low_pfn = find_max_low_pfn();
+	printk("kva_start_pfn ~ %ld find_max_low_pfn() ~ %ld\n",
+		kva_start_pfn, max_low_pfn);
 	printk("max_pfn = %ld\n", max_pfn);
 #ifdef CONFIG_HIGHMEM
 	highstart_pfn = highend_pfn = max_pfn;
@@ -313,6 +310,11 @@ unsigned long __init setup_memory(void)
 		highstart_pfn = system_max_low_pfn;
 	printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
 	       pages_to_mb(highend_pfn - highstart_pfn));
+	num_physpages = highend_pfn;
+	high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
+#else
+	num_physpages = system_max_low_pfn;
+	high_memory = (void *) __va(system_max_low_pfn * PAGE_SIZE - 1) + 1;
 #endif
 	printk(KERN_NOTICE "%ldMB LOWMEM available.\n",
 			pages_to_mb(system_max_low_pfn));
@@ -323,7 +325,7 @@ unsigned long __init setup_memory(void)
 			(ulong) pfn_to_kaddr(max_low_pfn));
 	for_each_online_node(nid) {
 		node_remap_start_vaddr[nid] = pfn_to_kaddr(
-				highstart_pfn + node_remap_offset[nid]);
+				kva_start_pfn + node_remap_offset[nid]);
 		/* Init the node remap allocator */
 		node_remap_end_vaddr[nid] = node_remap_start_vaddr[nid] +
 			(node_remap_size[nid] * PAGE_SIZE);
@@ -338,7 +340,6 @@ unsigned long __init setup_memory(void)
 	}
 	printk("High memory starts at vaddr %08lx\n",
 			(ulong) pfn_to_kaddr(highstart_pfn));
-	vmalloc_earlyreserve = reserve_pages * PAGE_SIZE;
 	for_each_online_node(nid)
 		find_max_pfn_node(nid);
 
@@ -348,48 +349,30 @@ unsigned long __init setup_memory(void)
 	return max_low_pfn;
 }
 
+void __init numa_kva_reserve(void)
+{
+	reserve_bootmem(PFN_PHYS(kva_start_pfn),PFN_PHYS(kva_pages));
+}
+
 void __init zone_sizes_init(void)
 {
 	int nid;
-
-
-	for_each_online_node(nid) {
-		unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
-		unsigned long *zholes_size;
-		unsigned int max_dma;
-
-		unsigned long low = max_low_pfn;
-		unsigned long start = node_start_pfn[nid];
-		unsigned long high = node_end_pfn[nid];
-
-		max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
-
-		if (node_has_online_mem(nid)){
-			if (start > low) {
-#ifdef CONFIG_HIGHMEM
-				BUG_ON(start > high);
-				zones_size[ZONE_HIGHMEM] = high - start;
-#endif
-			} else {
-				if (low < max_dma)
-					zones_size[ZONE_DMA] = low;
-				else {
-					BUG_ON(max_dma > low);
-					BUG_ON(low > high);
-					zones_size[ZONE_DMA] = max_dma;
-					zones_size[ZONE_NORMAL] = low - max_dma;
-#ifdef CONFIG_HIGHMEM
-					zones_size[ZONE_HIGHMEM] = high - low;
-#endif
-				}
-			}
+	unsigned long max_zone_pfns[MAX_NR_ZONES] = {
+		virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT,
+		max_low_pfn,
+		highend_pfn
+	};
+
+	/* If SRAT has not registered memory, register it now */
+	if (find_max_pfn_with_active_regions() == 0) {
+		for_each_online_node(nid) {
+			if (node_has_online_mem(nid))
+				add_active_range(nid, node_start_pfn[nid],
+							node_end_pfn[nid]);
 		}
-
-		zholes_size = get_zholes_size(nid);
-
-		free_area_init_node(nid, NODE_DATA(nid), zones_size, start,
-				zholes_size);
 	}
+
+	free_area_init_nodes(max_zone_pfns);
 	return;
 }
 
@@ -409,7 +392,7 @@ void __init set_highmem_pages_init(int bad_ppro)
 		zone_end_pfn = zone_start_pfn + zone->spanned_pages;
 
 		printk("Initializing %s for node %d (%08lx:%08lx)\n",
-				zone->name, zone->zone_pgdat->node_id,
+				zone->name, zone_to_nid(zone),
 				zone_start_pfn, zone_end_pfn);
 
 		for (node_pfn = zone_start_pfn; node_pfn < zone_end_pfn; node_pfn++) {
diff --git a/arch/i386/mm/extable.c b/arch/i386/mm/extable.c
index de03c5430abc..0ce4f22a2635 100644
--- a/arch/i386/mm/extable.c
+++ b/arch/i386/mm/extable.c
@@ -11,7 +11,7 @@ int fixup_exception(struct pt_regs *regs)
 	const struct exception_table_entry *fixup;
 
 #ifdef CONFIG_PNPBIOS
-	if (unlikely((regs->xcs & ~15) == (GDT_ENTRY_PNPBIOS_BASE << 3)))
+	if (unlikely(SEGMENT_IS_PNP_CODE(regs->xcs)))
 	{
 		extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp;
 		extern u32 pnp_bios_is_utter_crap;
diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c
index f7279468323a..5e17a3f43b41 100644
--- a/arch/i386/mm/fault.c
+++ b/arch/i386/mm/fault.c
@@ -27,21 +27,24 @@
 #include <asm/uaccess.h>
 #include <asm/desc.h>
 #include <asm/kdebug.h>
+#include <asm/segment.h>
 
 extern void die(const char *,struct pt_regs *,long);
 
-#ifdef CONFIG_KPROBES
-ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
+static ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
+
 int register_page_fault_notifier(struct notifier_block *nb)
 {
 	vmalloc_sync_all();
 	return atomic_notifier_chain_register(&notify_page_fault_chain, nb);
 }
+EXPORT_SYMBOL_GPL(register_page_fault_notifier);
 
 int unregister_page_fault_notifier(struct notifier_block *nb)
 {
 	return atomic_notifier_chain_unregister(&notify_page_fault_chain, nb);
 }
+EXPORT_SYMBOL_GPL(unregister_page_fault_notifier);
 
 static inline int notify_page_fault(enum die_val val, const char *str,
 			struct pt_regs *regs, long err, int trap, int sig)
@@ -55,14 +58,6 @@ static inline int notify_page_fault(enum die_val val, const char *str,
 	};
 	return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args);
 }
-#else
-static inline int notify_page_fault(enum die_val val, const char *str,
-			struct pt_regs *regs, long err, int trap, int sig)
-{
-	return NOTIFY_DONE;
-}
-#endif
-
 
 /*
  * Unlock any spinlocks which will prevent us from getting the
@@ -119,10 +114,10 @@ static inline unsigned long get_segment_eip(struct pt_regs *regs,
 	}
 
 	/* The standard kernel/user address space limit. */
-	*eip_limit = (seg & 3) ? USER_DS.seg : KERNEL_DS.seg;
+	*eip_limit = user_mode(regs) ? USER_DS.seg : KERNEL_DS.seg;
 	
 	/* By far the most common cases. */
-	if (likely(seg == __USER_CS || seg == __KERNEL_CS))
+	if (likely(SEGMENT_IS_FLAT_CODE(seg)))
 		return eip;
 
 	/* Check the segment exists, is within the current LDT/GDT size,
@@ -436,11 +431,7 @@ good_area:
 	write = 0;
 	switch (error_code & 3) {
 		default:	/* 3: write, present */
-#ifdef TEST_VERIFY_AREA
-			if (regs->cs == KERNEL_CS)
-				printk("WP fault at %08lx\n", regs->eip);
-#endif
-			/* fall through */
+				/* fall through */
 		case 2:		/* write, not present */
 			if (!(vma->vm_flags & VM_WRITE))
 				goto bad_area;
diff --git a/arch/i386/mm/highmem.c b/arch/i386/mm/highmem.c
index b6eb4dcb8777..ba44000b9069 100644
--- a/arch/i386/mm/highmem.c
+++ b/arch/i386/mm/highmem.c
@@ -54,7 +54,7 @@ void kunmap_atomic(void *kvaddr, enum km_type type)
 	unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
 	enum fixed_addresses idx = type + KM_TYPE_NR*smp_processor_id();
 
-	if (vaddr < FIXADDR_START) { // FIXME
+	if (vaddr >= PAGE_OFFSET && vaddr < (unsigned long)high_memory) {
 		dec_preempt_count();
 		preempt_check_resched();
 		return;
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 89e8486aac34..4a5a914b3432 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -435,16 +435,22 @@ u64 __supported_pte_mask __read_mostly = ~_PAGE_NX;
  * on      Enable
  * off     Disable
  */
-void __init noexec_setup(const char *str)
+static int __init noexec_setup(char *str)
 {
-	if (!strncmp(str, "on",2) && cpu_has_nx) {
-		__supported_pte_mask |= _PAGE_NX;
-		disable_nx = 0;
-	} else if (!strncmp(str,"off",3)) {
+	if (!str || !strcmp(str, "on")) {
+		if (cpu_has_nx) {
+			__supported_pte_mask |= _PAGE_NX;
+			disable_nx = 0;
+		}
+	} else if (!strcmp(str,"off")) {
 		disable_nx = 1;
 		__supported_pte_mask &= ~_PAGE_NX;
-	}
+	} else
+		return -EINVAL;
+
+	return 0;
 }
+early_param("noexec", noexec_setup);
 
 int nx_enabled = 0;
 #ifdef CONFIG_X86_PAE
@@ -552,18 +558,6 @@ static void __init test_wp_bit(void)
 	}
 }
 
-static void __init set_max_mapnr_init(void)
-{
-#ifdef CONFIG_HIGHMEM
-	num_physpages = highend_pfn;
-#else
-	num_physpages = max_low_pfn;
-#endif
-#ifdef CONFIG_FLATMEM
-	max_mapnr = num_physpages;
-#endif
-}
-
 static struct kcore_list kcore_mem, kcore_vmalloc; 
 
 void __init mem_init(void)
@@ -590,14 +584,6 @@ void __init mem_init(void)
 	}
 #endif
  
-	set_max_mapnr_init();
-
-#ifdef CONFIG_HIGHMEM
-	high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
-#else
-	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
-#endif
-
 	/* this will put all low memory onto the freelists */
 	totalram_pages += free_all_bootmem();
 
@@ -629,6 +615,48 @@ void __init mem_init(void)
 		(unsigned long) (totalhigh_pages << (PAGE_SHIFT-10))
 	       );
 
+#if 1 /* double-sanity-check paranoia */
+	printk("virtual kernel memory layout:\n"
+	       "    fixmap  : 0x%08lx - 0x%08lx   (%4ld kB)\n"
+#ifdef CONFIG_HIGHMEM
+	       "    pkmap   : 0x%08lx - 0x%08lx   (%4ld kB)\n"
+#endif
+	       "    vmalloc : 0x%08lx - 0x%08lx   (%4ld MB)\n"
+	       "    lowmem  : 0x%08lx - 0x%08lx   (%4ld MB)\n"
+	       "      .init : 0x%08lx - 0x%08lx   (%4ld kB)\n"
+	       "      .data : 0x%08lx - 0x%08lx   (%4ld kB)\n"
+	       "      .text : 0x%08lx - 0x%08lx   (%4ld kB)\n",
+	       FIXADDR_START, FIXADDR_TOP,
+	       (FIXADDR_TOP - FIXADDR_START) >> 10,
+
+#ifdef CONFIG_HIGHMEM
+	       PKMAP_BASE, PKMAP_BASE+LAST_PKMAP*PAGE_SIZE,
+	       (LAST_PKMAP*PAGE_SIZE) >> 10,
+#endif
+
+	       VMALLOC_START, VMALLOC_END,
+	       (VMALLOC_END - VMALLOC_START) >> 20,
+
+	       (unsigned long)__va(0), (unsigned long)high_memory,
+	       ((unsigned long)high_memory - (unsigned long)__va(0)) >> 20,
+
+	       (unsigned long)&__init_begin, (unsigned long)&__init_end,
+	       ((unsigned long)&__init_end - (unsigned long)&__init_begin) >> 10,
+
+	       (unsigned long)&_etext, (unsigned long)&_edata,
+	       ((unsigned long)&_edata - (unsigned long)&_etext) >> 10,
+
+	       (unsigned long)&_text, (unsigned long)&_etext,
+	       ((unsigned long)&_etext - (unsigned long)&_text) >> 10);
+
+#ifdef CONFIG_HIGHMEM
+	BUG_ON(PKMAP_BASE+LAST_PKMAP*PAGE_SIZE > FIXADDR_START);
+	BUG_ON(VMALLOC_END                     > PKMAP_BASE);
+#endif
+	BUG_ON(VMALLOC_START                   > VMALLOC_END);
+	BUG_ON((unsigned long)high_memory      > VMALLOC_START);
+#endif /* double-sanity-check paranoia */
+
 #ifdef CONFIG_X86_PAE
 	if (!cpu_has_pae)
 		panic("cannot execute a PAE-enabled kernel on a PAE-less CPU!");
@@ -657,7 +685,7 @@ void __init mem_init(void)
 int arch_add_memory(int nid, u64 start, u64 size)
 {
 	struct pglist_data *pgdata = &contig_page_data;
-	struct zone *zone = pgdata->node_zones + MAX_NR_ZONES-1;
+	struct zone *zone = pgdata->node_zones + ZONE_HIGHMEM;
 	unsigned long start_pfn = start >> PAGE_SHIFT;
 	unsigned long nr_pages = size >> PAGE_SHIFT;
 
diff --git a/arch/i386/mm/pgtable.c b/arch/i386/mm/pgtable.c
index bd98768d8764..10126e3f8174 100644
--- a/arch/i386/mm/pgtable.c
+++ b/arch/i386/mm/pgtable.c
@@ -12,6 +12,7 @@
 #include <linux/slab.h>
 #include <linux/pagemap.h>
 #include <linux/spinlock.h>
+#include <linux/module.h>
 
 #include <asm/system.h>
 #include <asm/pgtable.h>
@@ -60,7 +61,9 @@ void show_mem(void)
 	printk(KERN_INFO "%lu pages writeback\n",
 					global_page_state(NR_WRITEBACK));
 	printk(KERN_INFO "%lu pages mapped\n", global_page_state(NR_FILE_MAPPED));
-	printk(KERN_INFO "%lu pages slab\n", global_page_state(NR_SLAB));
+	printk(KERN_INFO "%lu pages slab\n",
+		global_page_state(NR_SLAB_RECLAIMABLE) +
+		global_page_state(NR_SLAB_UNRECLAIMABLE));
 	printk(KERN_INFO "%lu pages pagetables\n",
 					global_page_state(NR_PAGETABLE));
 }
@@ -137,6 +140,12 @@ void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags)
 	__flush_tlb_one(vaddr);
 }
 
+static int fixmaps;
+#ifndef CONFIG_COMPAT_VDSO
+unsigned long __FIXADDR_TOP = 0xfffff000;
+EXPORT_SYMBOL(__FIXADDR_TOP);
+#endif
+
 void __set_fixmap (enum fixed_addresses idx, unsigned long phys, pgprot_t flags)
 {
 	unsigned long address = __fix_to_virt(idx);
@@ -146,6 +155,25 @@ void __set_fixmap (enum fixed_addresses idx, unsigned long phys, pgprot_t flags)
 		return;
 	}
 	set_pte_pfn(address, phys >> PAGE_SHIFT, flags);
+	fixmaps++;
+}
+
+/**
+ * reserve_top_address - reserves a hole in the top of kernel address space
+ * @reserve - size of hole to reserve
+ *
+ * Can be used to relocate the fixmap area and poke a hole in the top
+ * of kernel address space to make room for a hypervisor.
+ */
+void reserve_top_address(unsigned long reserve)
+{
+	BUG_ON(fixmaps > 0);
+#ifdef CONFIG_COMPAT_VDSO
+	BUG_ON(reserve != 0);
+#else
+	__FIXADDR_TOP = -reserve - PAGE_SIZE;
+	__VMALLOC_RESERVE += reserve;
+#endif
 }
 
 pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c
index 5f8dc8a21bd7..3700eef78743 100644
--- a/arch/i386/oprofile/nmi_int.c
+++ b/arch/i386/oprofile/nmi_int.c
@@ -17,14 +17,15 @@
 #include <asm/nmi.h>
 #include <asm/msr.h>
 #include <asm/apic.h>
+#include <asm/kdebug.h>
  
 #include "op_counter.h"
 #include "op_x86_model.h"
- 
+
 static struct op_x86_model_spec const * model;
 static struct op_msrs cpu_msrs[NR_CPUS];
 static unsigned long saved_lvtpc[NR_CPUS];
- 
+
 static int nmi_start(void);
 static void nmi_stop(void);
 
@@ -82,13 +83,24 @@ static void exit_driverfs(void)
 #define exit_driverfs() do { } while (0)
 #endif /* CONFIG_PM */
 
-
-static int nmi_callback(struct pt_regs * regs, int cpu)
+static int profile_exceptions_notify(struct notifier_block *self,
+				     unsigned long val, void *data)
 {
-	return model->check_ctrs(regs, &cpu_msrs[cpu]);
+	struct die_args *args = (struct die_args *)data;
+	int ret = NOTIFY_DONE;
+	int cpu = smp_processor_id();
+
+	switch(val) {
+	case DIE_NMI:
+		if (model->check_ctrs(args->regs, &cpu_msrs[cpu]))
+			ret = NOTIFY_STOP;
+		break;
+	default:
+		break;
+	}
+	return ret;
 }
- 
- 
+
 static void nmi_cpu_save_registers(struct op_msrs * msrs)
 {
 	unsigned int const nr_ctrs = model->num_counters;
@@ -98,15 +110,19 @@ static void nmi_cpu_save_registers(struct op_msrs * msrs)
 	unsigned int i;
 
 	for (i = 0; i < nr_ctrs; ++i) {
-		rdmsr(counters[i].addr,
-			counters[i].saved.low,
-			counters[i].saved.high);
+		if (counters[i].addr){
+			rdmsr(counters[i].addr,
+				counters[i].saved.low,
+				counters[i].saved.high);
+		}
 	}
  
 	for (i = 0; i < nr_ctrls; ++i) {
-		rdmsr(controls[i].addr,
-			controls[i].saved.low,
-			controls[i].saved.high);
+		if (controls[i].addr){
+			rdmsr(controls[i].addr,
+				controls[i].saved.low,
+				controls[i].saved.high);
+		}
 	}
 }
 
@@ -170,27 +186,29 @@ static void nmi_cpu_setup(void * dummy)
 	apic_write(APIC_LVTPC, APIC_DM_NMI);
 }
 
+static struct notifier_block profile_exceptions_nb = {
+	.notifier_call = profile_exceptions_notify,
+	.next = NULL,
+	.priority = 0
+};
 
 static int nmi_setup(void)
 {
+	int err=0;
+
 	if (!allocate_msrs())
 		return -ENOMEM;
 
-	/* We walk a thin line between law and rape here.
-	 * We need to be careful to install our NMI handler
-	 * without actually triggering any NMIs as this will
-	 * break the core code horrifically.
-	 */
-	if (reserve_lapic_nmi() < 0) {
+	if ((err = register_die_notifier(&profile_exceptions_nb))){
 		free_msrs();
-		return -EBUSY;
+		return err;
 	}
+
 	/* We need to serialize save and setup for HT because the subset
 	 * of msrs are distinct for save and setup operations
 	 */
 	on_each_cpu(nmi_save_registers, NULL, 0, 1);
 	on_each_cpu(nmi_cpu_setup, NULL, 0, 1);
-	set_nmi_callback(nmi_callback);
 	nmi_enabled = 1;
 	return 0;
 }
@@ -205,15 +223,19 @@ static void nmi_restore_registers(struct op_msrs * msrs)
 	unsigned int i;
 
 	for (i = 0; i < nr_ctrls; ++i) {
-		wrmsr(controls[i].addr,
-			controls[i].saved.low,
-			controls[i].saved.high);
+		if (controls[i].addr){
+			wrmsr(controls[i].addr,
+				controls[i].saved.low,
+				controls[i].saved.high);
+		}
 	}
  
 	for (i = 0; i < nr_ctrs; ++i) {
-		wrmsr(counters[i].addr,
-			counters[i].saved.low,
-			counters[i].saved.high);
+		if (counters[i].addr){
+			wrmsr(counters[i].addr,
+				counters[i].saved.low,
+				counters[i].saved.high);
+		}
 	}
 }
  
@@ -234,6 +256,7 @@ static void nmi_cpu_shutdown(void * dummy)
 	apic_write(APIC_LVTPC, saved_lvtpc[cpu]);
 	apic_write(APIC_LVTERR, v);
 	nmi_restore_registers(msrs);
+	model->shutdown(msrs);
 }
 
  
@@ -241,8 +264,7 @@ static void nmi_shutdown(void)
 {
 	nmi_enabled = 0;
 	on_each_cpu(nmi_cpu_shutdown, NULL, 0, 1);
-	unset_nmi_callback();
-	release_lapic_nmi();
+	unregister_die_notifier(&profile_exceptions_nb);
 	free_msrs();
 }
 
@@ -284,6 +306,14 @@ static int nmi_create_files(struct super_block * sb, struct dentry * root)
 		struct dentry * dir;
 		char buf[4];
  
+ 		/* quick little hack to _not_ expose a counter if it is not
+		 * available for use.  This should protect userspace app.
+		 * NOTE:  assumes 1:1 mapping here (that counters are organized
+		 *        sequentially in their struct assignment).
+		 */
+		if (unlikely(!avail_to_resrv_perfctr_nmi_bit(i)))
+			continue;
+
 		snprintf(buf,  sizeof(buf), "%d", i);
 		dir = oprofilefs_mkdir(sb, root, buf);
 		oprofilefs_create_ulong(sb, dir, "enabled", &counter_config[i].enabled); 
diff --git a/arch/i386/oprofile/nmi_timer_int.c b/arch/i386/oprofile/nmi_timer_int.c
index 930a1127bb30..abf0ba52a635 100644
--- a/arch/i386/oprofile/nmi_timer_int.c
+++ b/arch/i386/oprofile/nmi_timer_int.c
@@ -17,34 +17,49 @@
 #include <asm/nmi.h>
 #include <asm/apic.h>
 #include <asm/ptrace.h>
+#include <asm/kdebug.h>
  
-static int nmi_timer_callback(struct pt_regs * regs, int cpu)
+static int profile_timer_exceptions_notify(struct notifier_block *self,
+					   unsigned long val, void *data)
 {
-	oprofile_add_sample(regs, 0);
-	return 1;
+	struct die_args *args = (struct die_args *)data;
+	int ret = NOTIFY_DONE;
+
+	switch(val) {
+	case DIE_NMI:
+		oprofile_add_sample(args->regs, 0);
+		ret = NOTIFY_STOP;
+		break;
+	default:
+		break;
+	}
+	return ret;
 }
 
+static struct notifier_block profile_timer_exceptions_nb = {
+	.notifier_call = profile_timer_exceptions_notify,
+	.next = NULL,
+	.priority = 0
+};
+
 static int timer_start(void)
 {
-	disable_timer_nmi_watchdog();
-	set_nmi_callback(nmi_timer_callback);
+	if (register_die_notifier(&profile_timer_exceptions_nb))
+		return 1;
 	return 0;
 }
 
 
 static void timer_stop(void)
 {
-	enable_timer_nmi_watchdog();
-	unset_nmi_callback();
+	unregister_die_notifier(&profile_timer_exceptions_nb);
 	synchronize_sched();  /* Allow already-started NMIs to complete. */
 }
 
 
 int __init op_nmi_timer_init(struct oprofile_operations * ops)
 {
-	extern int nmi_active;
-
-	if (nmi_active <= 0)
+	if ((nmi_watchdog != NMI_IO_APIC) || (atomic_read(&nmi_active) <= 0))
 		return -ENODEV;
 
 	ops->start = timer_start;
diff --git a/arch/i386/oprofile/op_model_athlon.c b/arch/i386/oprofile/op_model_athlon.c
index 693bdea4a52b..3057a19e4641 100644
--- a/arch/i386/oprofile/op_model_athlon.c
+++ b/arch/i386/oprofile/op_model_athlon.c
@@ -21,10 +21,12 @@
 #define NUM_COUNTERS 4
 #define NUM_CONTROLS 4
 
+#define CTR_IS_RESERVED(msrs,c) (msrs->counters[(c)].addr ? 1 : 0)
 #define CTR_READ(l,h,msrs,c) do {rdmsr(msrs->counters[(c)].addr, (l), (h));} while (0)
 #define CTR_WRITE(l,msrs,c) do {wrmsr(msrs->counters[(c)].addr, -(unsigned int)(l), -1);} while (0)
 #define CTR_OVERFLOWED(n) (!((n) & (1U<<31)))
 
+#define CTRL_IS_RESERVED(msrs,c) (msrs->controls[(c)].addr ? 1 : 0)
 #define CTRL_READ(l,h,msrs,c) do {rdmsr(msrs->controls[(c)].addr, (l), (h));} while (0)
 #define CTRL_WRITE(l,h,msrs,c) do {wrmsr(msrs->controls[(c)].addr, (l), (h));} while (0)
 #define CTRL_SET_ACTIVE(n) (n |= (1<<22))
@@ -40,15 +42,21 @@ static unsigned long reset_value[NUM_COUNTERS];
  
 static void athlon_fill_in_addresses(struct op_msrs * const msrs)
 {
-	msrs->counters[0].addr = MSR_K7_PERFCTR0;
-	msrs->counters[1].addr = MSR_K7_PERFCTR1;
-	msrs->counters[2].addr = MSR_K7_PERFCTR2;
-	msrs->counters[3].addr = MSR_K7_PERFCTR3;
-
-	msrs->controls[0].addr = MSR_K7_EVNTSEL0;
-	msrs->controls[1].addr = MSR_K7_EVNTSEL1;
-	msrs->controls[2].addr = MSR_K7_EVNTSEL2;
-	msrs->controls[3].addr = MSR_K7_EVNTSEL3;
+	int i;
+
+	for (i=0; i < NUM_COUNTERS; i++) {
+		if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i))
+			msrs->counters[i].addr = MSR_K7_PERFCTR0 + i;
+		else
+			msrs->counters[i].addr = 0;
+	}
+
+	for (i=0; i < NUM_CONTROLS; i++) {
+		if (reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i))
+			msrs->controls[i].addr = MSR_K7_EVNTSEL0 + i;
+		else
+			msrs->controls[i].addr = 0;
+	}
 }
 
  
@@ -59,19 +67,23 @@ static void athlon_setup_ctrs(struct op_msrs const * const msrs)
  
 	/* clear all counters */
 	for (i = 0 ; i < NUM_CONTROLS; ++i) {
+		if (unlikely(!CTRL_IS_RESERVED(msrs,i)))
+			continue;
 		CTRL_READ(low, high, msrs, i);
 		CTRL_CLEAR(low);
 		CTRL_WRITE(low, high, msrs, i);
 	}
-	
+
 	/* avoid a false detection of ctr overflows in NMI handler */
 	for (i = 0; i < NUM_COUNTERS; ++i) {
+		if (unlikely(!CTR_IS_RESERVED(msrs,i)))
+			continue;
 		CTR_WRITE(1, msrs, i);
 	}
 
 	/* enable active counters */
 	for (i = 0; i < NUM_COUNTERS; ++i) {
-		if (counter_config[i].enabled) {
+		if ((counter_config[i].enabled) && (CTR_IS_RESERVED(msrs,i))) {
 			reset_value[i] = counter_config[i].count;
 
 			CTR_WRITE(counter_config[i].count, msrs, i);
@@ -98,6 +110,8 @@ static int athlon_check_ctrs(struct pt_regs * const regs,
 	int i;
 
 	for (i = 0 ; i < NUM_COUNTERS; ++i) {
+		if (!reset_value[i])
+			continue;
 		CTR_READ(low, high, msrs, i);
 		if (CTR_OVERFLOWED(low)) {
 			oprofile_add_sample(regs, i);
@@ -132,12 +146,27 @@ static void athlon_stop(struct op_msrs const * const msrs)
 	/* Subtle: stop on all counters to avoid race with
 	 * setting our pm callback */
 	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
+		if (!reset_value[i])
+			continue;
 		CTRL_READ(low, high, msrs, i);
 		CTRL_SET_INACTIVE(low);
 		CTRL_WRITE(low, high, msrs, i);
 	}
 }
 
+static void athlon_shutdown(struct op_msrs const * const msrs)
+{
+	int i;
+
+	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
+		if (CTR_IS_RESERVED(msrs,i))
+			release_perfctr_nmi(MSR_K7_PERFCTR0 + i);
+	}
+	for (i = 0 ; i < NUM_CONTROLS ; ++i) {
+		if (CTRL_IS_RESERVED(msrs,i))
+			release_evntsel_nmi(MSR_K7_EVNTSEL0 + i);
+	}
+}
 
 struct op_x86_model_spec const op_athlon_spec = {
 	.num_counters = NUM_COUNTERS,
@@ -146,5 +175,6 @@ struct op_x86_model_spec const op_athlon_spec = {
 	.setup_ctrs = &athlon_setup_ctrs,
 	.check_ctrs = &athlon_check_ctrs,
 	.start = &athlon_start,
-	.stop = &athlon_stop
+	.stop = &athlon_stop,
+	.shutdown = &athlon_shutdown
 };
diff --git a/arch/i386/oprofile/op_model_p4.c b/arch/i386/oprofile/op_model_p4.c
index 7c61d357b82b..47925927b12f 100644
--- a/arch/i386/oprofile/op_model_p4.c
+++ b/arch/i386/oprofile/op_model_p4.c
@@ -32,7 +32,7 @@
 #define NUM_CONTROLS_HT2 (NUM_ESCRS_HT2 + NUM_CCCRS_HT2)
 
 static unsigned int num_counters = NUM_COUNTERS_NON_HT;
-
+static unsigned int num_controls = NUM_CONTROLS_NON_HT;
 
 /* this has to be checked dynamically since the
    hyper-threadedness of a chip is discovered at
@@ -40,8 +40,10 @@ static unsigned int num_counters = NUM_COUNTERS_NON_HT;
 static inline void setup_num_counters(void)
 {
 #ifdef CONFIG_SMP
-	if (smp_num_siblings == 2)
+	if (smp_num_siblings == 2){
 		num_counters = NUM_COUNTERS_HT2;
+		num_controls = NUM_CONTROLS_HT2;
+	}
 #endif
 }
 
@@ -97,15 +99,6 @@ static struct p4_counter_binding p4_counters [NUM_COUNTERS_NON_HT] = {
 
 #define NUM_UNUSED_CCCRS	NUM_CCCRS_NON_HT - NUM_COUNTERS_NON_HT
 
-/* All cccr we don't use. */
-static int p4_unused_cccr[NUM_UNUSED_CCCRS] = {
-	MSR_P4_BPU_CCCR1,	MSR_P4_BPU_CCCR3,
-	MSR_P4_MS_CCCR1,	MSR_P4_MS_CCCR3,
-	MSR_P4_FLAME_CCCR1,	MSR_P4_FLAME_CCCR3,
-	MSR_P4_IQ_CCCR0,	MSR_P4_IQ_CCCR1,
-	MSR_P4_IQ_CCCR2,	MSR_P4_IQ_CCCR3
-};
-
 /* p4 event codes in libop/op_event.h are indices into this table. */
 
 static struct p4_event_binding p4_events[NUM_EVENTS] = {
@@ -372,6 +365,8 @@ static struct p4_event_binding p4_events[NUM_EVENTS] = {
 #define CCCR_OVF_P(cccr) ((cccr) & (1U<<31))
 #define CCCR_CLEAR_OVF(cccr) ((cccr) &= (~(1U<<31)))
 
+#define CTRL_IS_RESERVED(msrs,c) (msrs->controls[(c)].addr ? 1 : 0)
+#define CTR_IS_RESERVED(msrs,c) (msrs->counters[(c)].addr ? 1 : 0)
 #define CTR_READ(l,h,i) do {rdmsr(p4_counters[(i)].counter_address, (l), (h));} while (0)
 #define CTR_WRITE(l,i) do {wrmsr(p4_counters[(i)].counter_address, -(u32)(l), -1);} while (0)
 #define CTR_OVERFLOW_P(ctr) (!((ctr) & 0x80000000))
@@ -401,29 +396,34 @@ static unsigned long reset_value[NUM_COUNTERS_NON_HT];
 static void p4_fill_in_addresses(struct op_msrs * const msrs)
 {
 	unsigned int i; 
-	unsigned int addr, stag;
+	unsigned int addr, cccraddr, stag;
 
 	setup_num_counters();
 	stag = get_stagger();
 
-	/* the counter registers we pay attention to */
+	/* initialize some registers */
 	for (i = 0; i < num_counters; ++i) {
-		msrs->counters[i].addr = 
-			p4_counters[VIRT_CTR(stag, i)].counter_address;
+		msrs->counters[i].addr = 0;
 	}
-
-	/* FIXME: bad feeling, we don't save the 10 counters we don't use. */
-
-	/* 18 CCCR registers */
-	for (i = 0, addr = MSR_P4_BPU_CCCR0 + stag;
-	     addr <= MSR_P4_IQ_CCCR5; ++i, addr += addr_increment()) {
-		msrs->controls[i].addr = addr;
+	for (i = 0; i < num_controls; ++i) {
+		msrs->controls[i].addr = 0;
 	}
 	
+	/* the counter & cccr registers we pay attention to */
+	for (i = 0; i < num_counters; ++i) {
+		addr = p4_counters[VIRT_CTR(stag, i)].counter_address;
+		cccraddr = p4_counters[VIRT_CTR(stag, i)].cccr_address;
+		if (reserve_perfctr_nmi(addr)){
+			msrs->counters[i].addr = addr;
+			msrs->controls[i].addr = cccraddr;
+		}
+	}
+
 	/* 43 ESCR registers in three or four discontiguous group */
 	for (addr = MSR_P4_BSU_ESCR0 + stag;
 	     addr < MSR_P4_IQ_ESCR0; ++i, addr += addr_increment()) {
-		msrs->controls[i].addr = addr;
+		if (reserve_evntsel_nmi(addr))
+			msrs->controls[i].addr = addr;
 	}
 
 	/* no IQ_ESCR0/1 on some models, we save a seconde time BSU_ESCR0/1
@@ -431,47 +431,57 @@ static void p4_fill_in_addresses(struct op_msrs * const msrs)
 	if (boot_cpu_data.x86_model >= 0x3) {
 		for (addr = MSR_P4_BSU_ESCR0 + stag;
 		     addr <= MSR_P4_BSU_ESCR1; ++i, addr += addr_increment()) {
-			msrs->controls[i].addr = addr;
+			if (reserve_evntsel_nmi(addr))
+				msrs->controls[i].addr = addr;
 		}
 	} else {
 		for (addr = MSR_P4_IQ_ESCR0 + stag;
 		     addr <= MSR_P4_IQ_ESCR1; ++i, addr += addr_increment()) {
-			msrs->controls[i].addr = addr;
+			if (reserve_evntsel_nmi(addr))
+				msrs->controls[i].addr = addr;
 		}
 	}
 
 	for (addr = MSR_P4_RAT_ESCR0 + stag;
 	     addr <= MSR_P4_SSU_ESCR0; ++i, addr += addr_increment()) {
-		msrs->controls[i].addr = addr;
+		if (reserve_evntsel_nmi(addr))
+			msrs->controls[i].addr = addr;
 	}
 	
 	for (addr = MSR_P4_MS_ESCR0 + stag;
 	     addr <= MSR_P4_TC_ESCR1; ++i, addr += addr_increment()) { 
-		msrs->controls[i].addr = addr;
+		if (reserve_evntsel_nmi(addr))
+			msrs->controls[i].addr = addr;
 	}
 	
 	for (addr = MSR_P4_IX_ESCR0 + stag;
 	     addr <= MSR_P4_CRU_ESCR3; ++i, addr += addr_increment()) { 
-		msrs->controls[i].addr = addr;
+		if (reserve_evntsel_nmi(addr))
+			msrs->controls[i].addr = addr;
 	}
 
 	/* there are 2 remaining non-contiguously located ESCRs */
 
 	if (num_counters == NUM_COUNTERS_NON_HT) {		
 		/* standard non-HT CPUs handle both remaining ESCRs*/
-		msrs->controls[i++].addr = MSR_P4_CRU_ESCR5;
-		msrs->controls[i++].addr = MSR_P4_CRU_ESCR4;
+		if (reserve_evntsel_nmi(MSR_P4_CRU_ESCR5))
+			msrs->controls[i++].addr = MSR_P4_CRU_ESCR5;
+		if (reserve_evntsel_nmi(MSR_P4_CRU_ESCR4))
+			msrs->controls[i++].addr = MSR_P4_CRU_ESCR4;
 
 	} else if (stag == 0) {
 		/* HT CPUs give the first remainder to the even thread, as
 		   the 32nd control register */
-		msrs->controls[i++].addr = MSR_P4_CRU_ESCR4;
+		if (reserve_evntsel_nmi(MSR_P4_CRU_ESCR4))
+			msrs->controls[i++].addr = MSR_P4_CRU_ESCR4;
 
 	} else {
 		/* and two copies of the second to the odd thread,
 		   for the 22st and 23nd control registers */
-		msrs->controls[i++].addr = MSR_P4_CRU_ESCR5;
-		msrs->controls[i++].addr = MSR_P4_CRU_ESCR5;
+		if (reserve_evntsel_nmi(MSR_P4_CRU_ESCR5)) {
+			msrs->controls[i++].addr = MSR_P4_CRU_ESCR5;
+			msrs->controls[i++].addr = MSR_P4_CRU_ESCR5;
+		}
 	}
 }
 
@@ -544,7 +554,6 @@ static void p4_setup_ctrs(struct op_msrs const * const msrs)
 {
 	unsigned int i;
 	unsigned int low, high;
-	unsigned int addr;
 	unsigned int stag;
 
 	stag = get_stagger();
@@ -557,59 +566,24 @@ static void p4_setup_ctrs(struct op_msrs const * const msrs)
 
 	/* clear the cccrs we will use */
 	for (i = 0 ; i < num_counters ; i++) {
+		if (unlikely(!CTRL_IS_RESERVED(msrs,i)))
+			continue;
 		rdmsr(p4_counters[VIRT_CTR(stag, i)].cccr_address, low, high);
 		CCCR_CLEAR(low);
 		CCCR_SET_REQUIRED_BITS(low);
 		wrmsr(p4_counters[VIRT_CTR(stag, i)].cccr_address, low, high);
 	}
 
-	/* clear cccrs outside our concern */
-	for (i = stag ; i < NUM_UNUSED_CCCRS ; i += addr_increment()) {
-		rdmsr(p4_unused_cccr[i], low, high);
-		CCCR_CLEAR(low);
-		CCCR_SET_REQUIRED_BITS(low);
-		wrmsr(p4_unused_cccr[i], low, high);
-	}
-
 	/* clear all escrs (including those outside our concern) */
-	for (addr = MSR_P4_BSU_ESCR0 + stag;
-	     addr <  MSR_P4_IQ_ESCR0; addr += addr_increment()) {
-		wrmsr(addr, 0, 0);
-	}
-
-	/* On older models clear also MSR_P4_IQ_ESCR0/1 */
-	if (boot_cpu_data.x86_model < 0x3) {
-		wrmsr(MSR_P4_IQ_ESCR0, 0, 0);
-		wrmsr(MSR_P4_IQ_ESCR1, 0, 0);
-	}
-
-	for (addr = MSR_P4_RAT_ESCR0 + stag;
-	     addr <= MSR_P4_SSU_ESCR0; ++i, addr += addr_increment()) {
-		wrmsr(addr, 0, 0);
-	}
-	
-	for (addr = MSR_P4_MS_ESCR0 + stag;
-	     addr <= MSR_P4_TC_ESCR1; addr += addr_increment()){ 
-		wrmsr(addr, 0, 0);
-	}
-	
-	for (addr = MSR_P4_IX_ESCR0 + stag;
-	     addr <= MSR_P4_CRU_ESCR3; addr += addr_increment()){ 
-		wrmsr(addr, 0, 0);
+	for (i = num_counters; i < num_controls; i++) {
+		if (unlikely(!CTRL_IS_RESERVED(msrs,i)))
+			continue;
+		wrmsr(msrs->controls[i].addr, 0, 0);
 	}
 
-	if (num_counters == NUM_COUNTERS_NON_HT) {		
-		wrmsr(MSR_P4_CRU_ESCR4, 0, 0);
-		wrmsr(MSR_P4_CRU_ESCR5, 0, 0);
-	} else if (stag == 0) {
-		wrmsr(MSR_P4_CRU_ESCR4, 0, 0);
-	} else {
-		wrmsr(MSR_P4_CRU_ESCR5, 0, 0);
-	}		
-	
 	/* setup all counters */
 	for (i = 0 ; i < num_counters ; ++i) {
-		if (counter_config[i].enabled) {
+		if ((counter_config[i].enabled) && (CTRL_IS_RESERVED(msrs,i))) {
 			reset_value[i] = counter_config[i].count;
 			pmc_setup_one_p4_counter(i);
 			CTR_WRITE(counter_config[i].count, VIRT_CTR(stag, i));
@@ -696,12 +670,32 @@ static void p4_stop(struct op_msrs const * const msrs)
 	stag = get_stagger();
 
 	for (i = 0; i < num_counters; ++i) {
+		if (!reset_value[i])
+			continue;
 		CCCR_READ(low, high, VIRT_CTR(stag, i));
 		CCCR_SET_DISABLE(low);
 		CCCR_WRITE(low, high, VIRT_CTR(stag, i));
 	}
 }
 
+static void p4_shutdown(struct op_msrs const * const msrs)
+{
+	int i;
+
+	for (i = 0 ; i < num_counters ; ++i) {
+		if (CTR_IS_RESERVED(msrs,i))
+			release_perfctr_nmi(msrs->counters[i].addr);
+	}
+	/* some of the control registers are specially reserved in
+	 * conjunction with the counter registers (hence the starting offset).
+	 * This saves a few bits.
+	 */
+	for (i = num_counters ; i < num_controls ; ++i) {
+		if (CTRL_IS_RESERVED(msrs,i))
+			release_evntsel_nmi(msrs->controls[i].addr);
+	}
+}
+
 
 #ifdef CONFIG_SMP
 struct op_x86_model_spec const op_p4_ht2_spec = {
@@ -711,7 +705,8 @@ struct op_x86_model_spec const op_p4_ht2_spec = {
 	.setup_ctrs = &p4_setup_ctrs,
 	.check_ctrs = &p4_check_ctrs,
 	.start = &p4_start,
-	.stop = &p4_stop
+	.stop = &p4_stop,
+	.shutdown = &p4_shutdown
 };
 #endif
 
@@ -722,5 +717,6 @@ struct op_x86_model_spec const op_p4_spec = {
 	.setup_ctrs = &p4_setup_ctrs,
 	.check_ctrs = &p4_check_ctrs,
 	.start = &p4_start,
-	.stop = &p4_stop
+	.stop = &p4_stop,
+	.shutdown = &p4_shutdown
 };
diff --git a/arch/i386/oprofile/op_model_ppro.c b/arch/i386/oprofile/op_model_ppro.c
index 5c3ab4b027ad..f88e05ba8eb3 100644
--- a/arch/i386/oprofile/op_model_ppro.c
+++ b/arch/i386/oprofile/op_model_ppro.c
@@ -22,10 +22,12 @@
 #define NUM_COUNTERS 2
 #define NUM_CONTROLS 2
 
+#define CTR_IS_RESERVED(msrs,c) (msrs->counters[(c)].addr ? 1 : 0)
 #define CTR_READ(l,h,msrs,c) do {rdmsr(msrs->counters[(c)].addr, (l), (h));} while (0)
 #define CTR_WRITE(l,msrs,c) do {wrmsr(msrs->counters[(c)].addr, -(u32)(l), -1);} while (0)
 #define CTR_OVERFLOWED(n) (!((n) & (1U<<31)))
 
+#define CTRL_IS_RESERVED(msrs,c) (msrs->controls[(c)].addr ? 1 : 0)
 #define CTRL_READ(l,h,msrs,c) do {rdmsr((msrs->controls[(c)].addr), (l), (h));} while (0)
 #define CTRL_WRITE(l,h,msrs,c) do {wrmsr((msrs->controls[(c)].addr), (l), (h));} while (0)
 #define CTRL_SET_ACTIVE(n) (n |= (1<<22))
@@ -41,11 +43,21 @@ static unsigned long reset_value[NUM_COUNTERS];
  
 static void ppro_fill_in_addresses(struct op_msrs * const msrs)
 {
-	msrs->counters[0].addr = MSR_P6_PERFCTR0;
-	msrs->counters[1].addr = MSR_P6_PERFCTR1;
+	int i;
+
+	for (i=0; i < NUM_COUNTERS; i++) {
+		if (reserve_perfctr_nmi(MSR_P6_PERFCTR0 + i))
+			msrs->counters[i].addr = MSR_P6_PERFCTR0 + i;
+		else
+			msrs->counters[i].addr = 0;
+	}
 	
-	msrs->controls[0].addr = MSR_P6_EVNTSEL0;
-	msrs->controls[1].addr = MSR_P6_EVNTSEL1;
+	for (i=0; i < NUM_CONTROLS; i++) {
+		if (reserve_evntsel_nmi(MSR_P6_EVNTSEL0 + i))
+			msrs->controls[i].addr = MSR_P6_EVNTSEL0 + i;
+		else
+			msrs->controls[i].addr = 0;
+	}
 }
 
 
@@ -56,6 +68,8 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs)
 
 	/* clear all counters */
 	for (i = 0 ; i < NUM_CONTROLS; ++i) {
+		if (unlikely(!CTRL_IS_RESERVED(msrs,i)))
+			continue;
 		CTRL_READ(low, high, msrs, i);
 		CTRL_CLEAR(low);
 		CTRL_WRITE(low, high, msrs, i);
@@ -63,12 +77,14 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs)
 	
 	/* avoid a false detection of ctr overflows in NMI handler */
 	for (i = 0; i < NUM_COUNTERS; ++i) {
+		if (unlikely(!CTR_IS_RESERVED(msrs,i)))
+			continue;
 		CTR_WRITE(1, msrs, i);
 	}
 
 	/* enable active counters */
 	for (i = 0; i < NUM_COUNTERS; ++i) {
-		if (counter_config[i].enabled) {
+		if ((counter_config[i].enabled) && (CTR_IS_RESERVED(msrs,i))) {
 			reset_value[i] = counter_config[i].count;
 
 			CTR_WRITE(counter_config[i].count, msrs, i);
@@ -81,6 +97,8 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs)
 			CTRL_SET_UM(low, counter_config[i].unit_mask);
 			CTRL_SET_EVENT(low, counter_config[i].event);
 			CTRL_WRITE(low, high, msrs, i);
+		} else {
+			reset_value[i] = 0;
 		}
 	}
 }
@@ -93,6 +111,8 @@ static int ppro_check_ctrs(struct pt_regs * const regs,
 	int i;
  
 	for (i = 0 ; i < NUM_COUNTERS; ++i) {
+		if (!reset_value[i])
+			continue;
 		CTR_READ(low, high, msrs, i);
 		if (CTR_OVERFLOWED(low)) {
 			oprofile_add_sample(regs, i);
@@ -118,18 +138,38 @@ static int ppro_check_ctrs(struct pt_regs * const regs,
 static void ppro_start(struct op_msrs const * const msrs)
 {
 	unsigned int low,high;
-	CTRL_READ(low, high, msrs, 0);
-	CTRL_SET_ACTIVE(low);
-	CTRL_WRITE(low, high, msrs, 0);
+
+	if (reset_value[0]) {
+		CTRL_READ(low, high, msrs, 0);
+		CTRL_SET_ACTIVE(low);
+		CTRL_WRITE(low, high, msrs, 0);
+	}
 }
 
 
 static void ppro_stop(struct op_msrs const * const msrs)
 {
 	unsigned int low,high;
-	CTRL_READ(low, high, msrs, 0);
-	CTRL_SET_INACTIVE(low);
-	CTRL_WRITE(low, high, msrs, 0);
+
+	if (reset_value[0]) {
+		CTRL_READ(low, high, msrs, 0);
+		CTRL_SET_INACTIVE(low);
+		CTRL_WRITE(low, high, msrs, 0);
+	}
+}
+
+static void ppro_shutdown(struct op_msrs const * const msrs)
+{
+	int i;
+
+	for (i = 0 ; i < NUM_COUNTERS ; ++i) {
+		if (CTR_IS_RESERVED(msrs,i))
+			release_perfctr_nmi(MSR_P6_PERFCTR0 + i);
+	}
+	for (i = 0 ; i < NUM_CONTROLS ; ++i) {
+		if (CTRL_IS_RESERVED(msrs,i))
+			release_evntsel_nmi(MSR_P6_EVNTSEL0 + i);
+	}
 }
 
 
@@ -140,5 +180,6 @@ struct op_x86_model_spec const op_ppro_spec = {
 	.setup_ctrs = &ppro_setup_ctrs,
 	.check_ctrs = &ppro_check_ctrs,
 	.start = &ppro_start,
-	.stop = &ppro_stop
+	.stop = &ppro_stop,
+	.shutdown = &ppro_shutdown
 };
diff --git a/arch/i386/oprofile/op_x86_model.h b/arch/i386/oprofile/op_x86_model.h
index 123b7e90a9ee..abb1aa95b979 100644
--- a/arch/i386/oprofile/op_x86_model.h
+++ b/arch/i386/oprofile/op_x86_model.h
@@ -40,6 +40,7 @@ struct op_x86_model_spec {
 		struct op_msrs const * const msrs);
 	void (*start)(struct op_msrs const * const msrs);
 	void (*stop)(struct op_msrs const * const msrs);
+	void (*shutdown)(struct op_msrs const * const msrs);
 };
 
 extern struct op_x86_model_spec const op_ppro_spec;
diff --git a/arch/i386/pci/Makefile b/arch/i386/pci/Makefile
index 62ad75c57e6a..1594d2f55c8f 100644
--- a/arch/i386/pci/Makefile
+++ b/arch/i386/pci/Makefile
@@ -11,4 +11,4 @@ pci-y				+= legacy.o irq.o
 pci-$(CONFIG_X86_VISWS)		:= visws.o fixup.o
 pci-$(CONFIG_X86_NUMAQ)		:= numa.o irq.o
 
-obj-y				+= $(pci-y) common.o
+obj-y				+= $(pci-y) common.o early.o
diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index 0a362e3aeac5..68bce194e688 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -242,6 +242,10 @@ char * __devinit  pcibios_setup(char *str)
 		acpi_noirq_set();
 		return NULL;
 	}
+	else if (!strcmp(str, "noearly")) {
+		pci_probe |= PCI_PROBE_NOEARLY;
+		return NULL;
+	}
 #ifndef CONFIG_X86_VISWS
 	else if (!strcmp(str, "usepirqmask")) {
 		pci_probe |= PCI_USE_PIRQ_MASK;
diff --git a/arch/i386/pci/direct.c b/arch/i386/pci/direct.c
index 5d81fb510375..5acf0b4743cf 100644
--- a/arch/i386/pci/direct.c
+++ b/arch/i386/pci/direct.c
@@ -254,7 +254,16 @@ static int __init pci_check_type2(void)
 	return works;
 }
 
-void __init pci_direct_init(void)
+void __init pci_direct_init(int type)
+{
+	printk(KERN_INFO "PCI: Using configuration type %d\n", type);
+	if (type == 1)
+		raw_pci_ops = &pci_direct_conf1;
+	else
+		raw_pci_ops = &pci_direct_conf2;
+}
+
+int __init pci_direct_probe(void)
 {
 	struct resource *region, *region2;
 
@@ -264,19 +273,16 @@ void __init pci_direct_init(void)
 	if (!region)
 		goto type2;
 
-	if (pci_check_type1()) {
-		printk(KERN_INFO "PCI: Using configuration type 1\n");
-		raw_pci_ops = &pci_direct_conf1;
-		return;
-	}
+	if (pci_check_type1())
+		return 1;
 	release_resource(region);
 
  type2:
 	if ((pci_probe & PCI_PROBE_CONF2) == 0)
-		return;
+		return 0;
 	region = request_region(0xCF8, 4, "PCI conf2");
 	if (!region)
-		return;
+		return 0;
 	region2 = request_region(0xC000, 0x1000, "PCI conf2");
 	if (!region2)
 		goto fail2;
@@ -284,10 +290,11 @@ void __init pci_direct_init(void)
 	if (pci_check_type2()) {
 		printk(KERN_INFO "PCI: Using configuration type 2\n");
 		raw_pci_ops = &pci_direct_conf2;
-		return;
+		return 2;
 	}
 
 	release_resource(region2);
  fail2:
 	release_resource(region);
+	return 0;
 }
diff --git a/arch/i386/pci/early.c b/arch/i386/pci/early.c
new file mode 100644
index 000000000000..713d6c866cae
--- /dev/null
+++ b/arch/i386/pci/early.c
@@ -0,0 +1,52 @@
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <asm/pci-direct.h>
+#include <asm/io.h>
+#include "pci.h"
+
+/* Direct PCI access. This is used for PCI accesses in early boot before
+   the PCI subsystem works. */
+
+#define PDprintk(x...)
+
+u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset)
+{
+	u32 v;
+	outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
+	v = inl(0xcfc);
+	if (v != 0xffffffff)
+		PDprintk("%x reading 4 from %x: %x\n", slot, offset, v);
+	return v;
+}
+
+u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset)
+{
+	u8 v;
+	outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
+	v = inb(0xcfc + (offset&3));
+	PDprintk("%x reading 1 from %x: %x\n", slot, offset, v);
+	return v;
+}
+
+u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset)
+{
+	u16 v;
+	outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
+	v = inw(0xcfc + (offset&2));
+	PDprintk("%x reading 2 from %x: %x\n", slot, offset, v);
+	return v;
+}
+
+void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset,
+				    u32 val)
+{
+	PDprintk("%x writing to %x: %x\n", slot, offset, val);
+	outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
+	outl(val, 0xcfc);
+}
+
+int early_pci_allowed(void)
+{
+	return (pci_probe & (PCI_PROBE_CONF1|PCI_PROBE_NOEARLY)) ==
+			PCI_PROBE_CONF1;
+}
diff --git a/arch/i386/pci/init.c b/arch/i386/pci/init.c
index 51087a9d9172..d028e1b05c36 100644
--- a/arch/i386/pci/init.c
+++ b/arch/i386/pci/init.c
@@ -6,8 +6,13 @@
    in the right sequence from here. */
 static __init int pci_access_init(void)
 {
+	int type = 0;
+
+#ifdef CONFIG_PCI_DIRECT
+	type = pci_direct_probe();
+#endif
 #ifdef CONFIG_PCI_MMCONFIG
-	pci_mmcfg_init();
+	pci_mmcfg_init(type);
 #endif
 	if (raw_pci_ops)
 		return 0;
@@ -21,7 +26,7 @@ static __init int pci_access_init(void)
 	 * fails.
 	 */
 #ifdef CONFIG_PCI_DIRECT
-	pci_direct_init();
+	pci_direct_init(type);
 #endif
 	return 0;
 }
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index 972180f738d9..05be8db58a8c 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -151,6 +151,38 @@ static struct pci_raw_ops pci_mmcfg = {
 	.write =	pci_mmcfg_write,
 };
 
+
+static __init void pci_mmcfg_insert_resources(void)
+{
+#define PCI_MMCFG_RESOURCE_NAME_LEN 19
+	int i;
+	struct resource *res;
+	char *names;
+	unsigned num_buses;
+
+	res = kcalloc(PCI_MMCFG_RESOURCE_NAME_LEN + sizeof(*res),
+			pci_mmcfg_config_num, GFP_KERNEL);
+
+	if (!res) {
+		printk(KERN_ERR "PCI: Unable to allocate MMCONFIG resources\n");
+		return;
+	}
+
+	names = (void *)&res[pci_mmcfg_config_num];
+	for (i = 0; i < pci_mmcfg_config_num; i++, res++) {
+		num_buses = pci_mmcfg_config[i].end_bus_number -
+		    pci_mmcfg_config[i].start_bus_number + 1;
+		res->name = names;
+		snprintf(names, PCI_MMCFG_RESOURCE_NAME_LEN, "PCI MMCONFIG %u",
+			pci_mmcfg_config[i].pci_segment_group_number);
+		res->start = pci_mmcfg_config[i].base_address;
+		res->end = res->start + (num_buses << 20) - 1;
+		res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+		insert_resource(&iomem_resource, res);
+		names += PCI_MMCFG_RESOURCE_NAME_LEN;
+	}
+}
+
 /* K8 systems have some devices (typically in the builtin northbridge)
    that are only accessible using type1
    Normally this can be expressed in the MCFG by not listing them
@@ -187,7 +219,9 @@ static __init void unreachable_devices(void)
 	}
 }
 
-void __init pci_mmcfg_init(void)
+
+
+void __init pci_mmcfg_init(int type)
 {
 	if ((pci_probe & PCI_PROBE_MMCONF) == 0)
 		return;
@@ -198,7 +232,9 @@ void __init pci_mmcfg_init(void)
 	    (pci_mmcfg_config[0].base_address == 0))
 		return;
 
-	if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
+	/* Only do this check when type 1 works. If it doesn't work
+	   assume we run on a Mac and always use MCFG */
+	if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].base_address,
 			pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
 			E820_RESERVED)) {
 		printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
@@ -212,4 +248,5 @@ void __init pci_mmcfg_init(void)
 	pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
 
 	unreachable_devices();
+	pci_mmcfg_insert_resources();
 }
diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h
index bf4e79335388..1814f74569c6 100644
--- a/arch/i386/pci/pci.h
+++ b/arch/i386/pci/pci.h
@@ -17,6 +17,7 @@
 #define PCI_PROBE_CONF2		0x0004
 #define PCI_PROBE_MMCONF	0x0008
 #define PCI_PROBE_MASK		0x000f
+#define PCI_PROBE_NOEARLY	0x0010
 
 #define PCI_NO_SORT		0x0100
 #define PCI_BIOS_SORT		0x0200
@@ -81,7 +82,9 @@ extern int pci_conf1_write(unsigned int seg, unsigned int bus,
 extern int pci_conf1_read(unsigned int seg, unsigned int bus,
 			  unsigned int devfn, int reg, int len, u32 *value);
 
-extern void pci_direct_init(void);
+extern int pci_direct_probe(void);
+extern void pci_direct_init(int type);
 extern void pci_pcbios_init(void);
-extern void pci_mmcfg_init(void);
+extern void pci_mmcfg_init(int type);
 extern void pcibios_sort(void);
+
diff --git a/arch/i386/power/swsusp.S b/arch/i386/power/swsusp.S
index c893b897217f..8a2b50a0aaad 100644
--- a/arch/i386/power/swsusp.S
+++ b/arch/i386/power/swsusp.S
@@ -32,7 +32,7 @@ ENTRY(swsusp_arch_resume)
 	movl	$swsusp_pg_dir-__PAGE_OFFSET, %ecx
 	movl	%ecx, %cr3
 
-	movl	pagedir_nosave, %edx
+	movl	restore_pblist, %edx
 	.p2align 4,,7
 
 copy_loop:
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index db274da7dba1..0b7f701d5cf7 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -66,15 +66,6 @@ config IA64_UNCACHED_ALLOCATOR
 	bool
 	select GENERIC_ALLOCATOR
 
-config DMA_IS_DMA32
-	bool
-	default y
-
-config DMA_IS_NORMAL
-	bool
-	depends on IA64_SGI_SN2
-	default y
-
 config AUDIT_ARCH
 	bool
 	default y
@@ -365,6 +356,9 @@ config NODES_SHIFT
 	  MAX_NUMNODES will be 2^(This value).
 	  If in doubt, use the default.
 
+config ARCH_POPULATES_NODE_MAP
+	def_bool y
+
 # VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
 # VIRTUAL_MEM_MAP has been retained for historical reasons.
 config VIRTUAL_MEM_MAP
@@ -429,6 +423,14 @@ config IA64_PALINFO
 config SGI_SN
 	def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
 
+config IA64_ESI
+	bool "ESI (Extensible SAL Interface) support"
+	help
+	  If you say Y here, support is built into the kernel to
+	  make ESI calls.  ESI calls are used to support vendor-specific
+	  firmware extensions, such as the ability to inject memory-errors
+	  for test-purposes.  If you're unsure, say N.
+
 source "drivers/sn/Kconfig"
 
 source "drivers/firmware/Kconfig"
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 6aa3c51619ca..bddbd22706ed 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -1942,7 +1942,7 @@ struct sysctl32 {
 	unsigned int	__unused[4];
 };
 
-#ifdef CONFIG_SYSCTL
+#ifdef CONFIG_SYSCTL_SYSCALL
 asmlinkage long
 sys32_sysctl (struct sysctl32 __user *args)
 {
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index ad8215a3c586..31497496eb4b 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -32,6 +32,11 @@ obj-$(CONFIG_IA64_UNCACHED_ALLOCATOR)	+= uncached.o
 obj-$(CONFIG_AUDIT)		+= audit.o
 mca_recovery-y			+= mca_drv.o mca_drv_asm.o
 
+obj-$(CONFIG_IA64_ESI)		+= esi.o
+ifneq ($(CONFIG_IA64_ESI),)
+obj-y				+= esi_stub.o	# must be in kernel proper
+endif
+
 # The gate DSO image is built using a special linker script.
 targets += gate.so gate-syms.o
 
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 0176556aeecc..32c3abededc6 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -771,16 +771,19 @@ int acpi_map_cpu2node(acpi_handle handle, int cpu, long physid)
 {
 #ifdef CONFIG_ACPI_NUMA
 	int pxm_id;
+	int nid;
 
 	pxm_id = acpi_get_pxm(handle);
-
 	/*
-	 * Assuming that the container driver would have set the proximity
-	 * domain and would have initialized pxm_to_node(pxm_id) && pxm_flag
+	 * We don't have cpu-only-node hotadd. But if the system equips
+	 * SRAT table, pxm is already found and node is ready.
+  	 * So, just pxm_to_nid(pxm) is OK.
+	 * This code here is for the system which doesn't have full SRAT
+  	 * table for possible cpus.
 	 */
-	node_cpuid[cpu].nid = (pxm_id < 0) ? 0 : pxm_to_node(pxm_id);
-
+	nid = acpi_map_pxm_to_node(pxm_id);
 	node_cpuid[cpu].phys_id = physid;
+	node_cpuid[cpu].nid = nid;
 #endif
 	return (0);
 }
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index fef06571be99..12701cf32d99 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1605,8 +1605,8 @@ sys_call_table:
 	data8 sys_ni_syscall			// 1295 reserved for ppoll
 	data8 sys_unshare
 	data8 sys_splice
-	data8 sys_ni_syscall			// reserved for set_robust_list
-	data8 sys_ni_syscall			// reserved for get_robust_list
+	data8 sys_set_robust_list
+	data8 sys_get_robust_list
 	data8 sys_sync_file_range		// 1300
 	data8 sys_tee
 	data8 sys_vmsplice
diff --git a/arch/ia64/kernel/esi.c b/arch/ia64/kernel/esi.c
new file mode 100644
index 000000000000..ebf4e988e78c
--- /dev/null
+++ b/arch/ia64/kernel/esi.c
@@ -0,0 +1,205 @@
+/*
+ * Extensible SAL Interface (ESI) support routines.
+ *
+ * Copyright (C) 2006 Hewlett-Packard Co
+ * 	Alex Williamson <alex.williamson@hp.com>
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/string.h>
+
+#include <asm/esi.h>
+#include <asm/sal.h>
+
+MODULE_AUTHOR("Alex Williamson <alex.williamson@hp.com>");
+MODULE_DESCRIPTION("Extensible SAL Interface (ESI) support");
+MODULE_LICENSE("GPL");
+
+#define MODULE_NAME	"esi"
+
+#define ESI_TABLE_GUID					\
+    EFI_GUID(0x43EA58DC, 0xCF28, 0x4b06, 0xB3,		\
+	     0x91, 0xB7, 0x50, 0x59, 0x34, 0x2B, 0xD4)
+
+enum esi_systab_entry_type {
+	ESI_DESC_ENTRY_POINT = 0
+};
+
+/*
+ * Entry type:	Size:
+ *	0	48
+ */
+#define ESI_DESC_SIZE(type)	"\060"[(unsigned) (type)]
+
+typedef struct ia64_esi_desc_entry_point {
+	u8 type;
+	u8 reserved1[15];
+	u64 esi_proc;
+	u64 gp;
+	efi_guid_t guid;
+} ia64_esi_desc_entry_point_t;
+
+struct pdesc {
+	void *addr;
+	void *gp;
+};
+
+static struct ia64_sal_systab *esi_systab;
+
+static int __init esi_init (void)
+{
+	efi_config_table_t *config_tables;
+	struct ia64_sal_systab *systab;
+	unsigned long esi = 0;
+	char *p;
+	int i;
+
+	config_tables = __va(efi.systab->tables);
+
+	for (i = 0; i < (int) efi.systab->nr_tables; ++i) {
+		if (efi_guidcmp(config_tables[i].guid, ESI_TABLE_GUID) == 0) {
+			esi = config_tables[i].table;
+			break;
+		}
+	}
+
+	if (!esi)
+		return -ENODEV;;
+
+	systab = __va(esi);
+
+	if (strncmp(systab->signature, "ESIT", 4) != 0) {
+		printk(KERN_ERR "bad signature in ESI system table!");
+		return -ENODEV;
+	}
+
+	p = (char *) (systab + 1);
+	for (i = 0; i < systab->entry_count; i++) {
+		/*
+		 * The first byte of each entry type contains the type
+		 * descriptor.
+		 */
+		switch (*p) {
+		      case ESI_DESC_ENTRY_POINT:
+			break;
+		      default:
+			printk(KERN_WARNING "Unkown table type %d found in "
+			       "ESI table, ignoring rest of table\n", *p);
+			return -ENODEV;
+		}
+
+		p += ESI_DESC_SIZE(*p);
+	}
+
+	esi_systab = systab;
+	return 0;
+}
+
+
+int ia64_esi_call (efi_guid_t guid, struct ia64_sal_retval *isrvp,
+		   enum esi_proc_type proc_type, u64 func,
+		   u64 arg1, u64 arg2, u64 arg3, u64 arg4, u64 arg5, u64 arg6,
+		   u64 arg7)
+{
+	struct ia64_fpreg fr[6];
+	unsigned long flags = 0;
+	int i;
+	char *p;
+
+	if (!esi_systab)
+		return -1;
+
+	p = (char *) (esi_systab + 1);
+	for (i = 0; i < esi_systab->entry_count; i++) {
+		if (*p == ESI_DESC_ENTRY_POINT) {
+			ia64_esi_desc_entry_point_t *esi = (void *)p;
+			if (!efi_guidcmp(guid, esi->guid)) {
+				ia64_sal_handler esi_proc;
+				struct pdesc pdesc;
+
+				pdesc.addr = __va(esi->esi_proc);
+				pdesc.gp = __va(esi->gp);
+
+				esi_proc = (ia64_sal_handler) &pdesc;
+
+				ia64_save_scratch_fpregs(fr);
+				if (proc_type == ESI_PROC_SERIALIZED)
+					spin_lock_irqsave(&sal_lock, flags);
+				else if (proc_type == ESI_PROC_MP_SAFE)
+					local_irq_save(flags);
+				else
+					preempt_disable();
+				*isrvp = (*esi_proc)(func, arg1, arg2, arg3,
+						     arg4, arg5, arg6, arg7);
+				if (proc_type == ESI_PROC_SERIALIZED)
+					spin_unlock_irqrestore(&sal_lock,
+							       flags);
+				else if (proc_type == ESI_PROC_MP_SAFE)
+					local_irq_restore(flags);
+				else
+					preempt_enable();
+				ia64_load_scratch_fpregs(fr);
+				return 0;
+			}
+		}
+		p += ESI_DESC_SIZE(*p);
+	}
+	return -1;
+}
+EXPORT_SYMBOL_GPL(ia64_esi_call);
+
+int ia64_esi_call_phys (efi_guid_t guid, struct ia64_sal_retval *isrvp,
+			u64 func, u64 arg1, u64 arg2, u64 arg3, u64 arg4,
+			u64 arg5, u64 arg6, u64 arg7)
+{
+	struct ia64_fpreg fr[6];
+	unsigned long flags;
+	u64 esi_params[8];
+	char *p;
+	int i;
+
+	if (!esi_systab)
+		return -1;
+
+	p = (char *) (esi_systab + 1);
+	for (i = 0; i < esi_systab->entry_count; i++) {
+		if (*p == ESI_DESC_ENTRY_POINT) {
+			ia64_esi_desc_entry_point_t *esi = (void *)p;
+			if (!efi_guidcmp(guid, esi->guid)) {
+				ia64_sal_handler esi_proc;
+				struct pdesc pdesc;
+
+				pdesc.addr = (void *)esi->esi_proc;
+				pdesc.gp = (void *)esi->gp;
+
+				esi_proc = (ia64_sal_handler) &pdesc;
+
+				esi_params[0] = func;
+				esi_params[1] = arg1;
+				esi_params[2] = arg2;
+				esi_params[3] = arg3;
+				esi_params[4] = arg4;
+				esi_params[5] = arg5;
+				esi_params[6] = arg6;
+				esi_params[7] = arg7;
+				ia64_save_scratch_fpregs(fr);
+				spin_lock_irqsave(&sal_lock, flags);
+				*isrvp = esi_call_phys(esi_proc, esi_params);
+				spin_unlock_irqrestore(&sal_lock, flags);
+				ia64_load_scratch_fpregs(fr);
+				return 0;
+			}
+		}
+		p += ESI_DESC_SIZE(*p);
+	}
+	return -1;
+}
+EXPORT_SYMBOL_GPL(ia64_esi_call_phys);
+
+static void __exit esi_exit (void)
+{
+}
+
+module_init(esi_init);
+module_exit(esi_exit);	/* makes module removable... */
diff --git a/arch/ia64/kernel/esi_stub.S b/arch/ia64/kernel/esi_stub.S
new file mode 100644
index 000000000000..6b3d6c1f99b6
--- /dev/null
+++ b/arch/ia64/kernel/esi_stub.S
@@ -0,0 +1,96 @@
+/*
+ * ESI call stub.
+ *
+ * Copyright (C) 2005 Hewlett-Packard Co
+ *	Alex Williamson <alex.williamson@hp.com>
+ *
+ * Based on EFI call stub by David Mosberger.  The stub is virtually
+ * identical to the one for EFI phys-mode calls, except that ESI
+ * calls may have up to 8 arguments, so they get passed to this routine
+ * through memory.
+ *
+ * This stub allows us to make ESI calls in physical mode with interrupts
+ * turned off.  ESI calls may not support calling from virtual mode.
+ *
+ * Google for "Extensible SAL specification" for a document describing the
+ * ESI standard.
+ */
+
+/*
+ * PSR settings as per SAL spec (Chapter 8 in the "IA-64 System
+ * Abstraction Layer Specification", revision 2.6e).  Note that
+ * psr.dfl and psr.dfh MUST be cleared, despite what this manual says.
+ * Otherwise, SAL dies whenever it's trying to do an IA-32 BIOS call
+ * (the br.ia instruction fails unless psr.dfl and psr.dfh are
+ * cleared).  Fortunately, SAL promises not to touch the floating
+ * point regs, so at least we don't have to save f2-f127.
+ */
+#define PSR_BITS_TO_CLEAR						\
+	(IA64_PSR_I | IA64_PSR_IT | IA64_PSR_DT | IA64_PSR_RT |		\
+	 IA64_PSR_DD | IA64_PSR_SS | IA64_PSR_RI | IA64_PSR_ED |	\
+	 IA64_PSR_DFL | IA64_PSR_DFH)
+
+#define PSR_BITS_TO_SET							\
+	(IA64_PSR_BN)
+
+#include <asm/processor.h>
+#include <asm/asmmacro.h>
+
+/*
+ * Inputs:
+ *	in0 = address of function descriptor of ESI routine to call
+ *	in1 = address of array of ESI parameters
+ *
+ * Outputs:
+ *	r8 = result returned by called function
+ */
+GLOBAL_ENTRY(esi_call_phys)
+	.prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(2)
+	alloc loc1=ar.pfs,2,7,8,0
+	ld8 r2=[in0],8			// load ESI function's entry point
+	mov loc0=rp
+	.body
+	;;
+	ld8 out0=[in1],8		// ESI params loaded from array
+	;;				// passing all as inputs doesn't work
+	ld8 out1=[in1],8
+	;;
+	ld8 out2=[in1],8
+	;;
+	ld8 out3=[in1],8
+	;;
+	ld8 out4=[in1],8
+	;;
+	ld8 out5=[in1],8
+	;;
+	ld8 out6=[in1],8
+	;;
+	ld8 out7=[in1]
+	mov loc2=gp			// save global pointer
+	mov loc4=ar.rsc			// save RSE configuration
+	mov ar.rsc=0			// put RSE in enforced lazy, LE mode
+	;;
+	ld8 gp=[in0]			// load ESI function's global pointer
+	movl r16=PSR_BITS_TO_CLEAR
+	mov loc3=psr			// save processor status word
+	movl r17=PSR_BITS_TO_SET
+	;;
+	or loc3=loc3,r17
+	mov b6=r2
+	;;
+	andcm r16=loc3,r16	// get psr with IT, DT, and RT bits cleared
+	br.call.sptk.many rp=ia64_switch_mode_phys
+.ret0:	mov loc5=r19			// old ar.bsp
+	mov loc6=r20			// old sp
+	br.call.sptk.many rp=b6		// call the ESI function
+.ret1:	mov ar.rsc=0			// put RSE in enforced lazy, LE mode
+	mov r16=loc3			// save virtual mode psr
+	mov r19=loc5			// save virtual mode bspstore
+	mov r20=loc6			// save virtual mode sp
+	br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode
+.ret2:	mov ar.rsc=loc4			// restore RSE configuration
+	mov ar.pfs=loc1
+	mov rp=loc0
+	mov gp=loc2
+	br.ret.sptk.many rp
+END(esi_call_phys)
diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c
index 3ead20fb6f4b..879c1817bd1c 100644
--- a/arch/ia64/kernel/ia64_ksyms.c
+++ b/arch/ia64/kernel/ia64_ksyms.c
@@ -105,5 +105,9 @@ EXPORT_SYMBOL(ia64_spinlock_contention);
 # endif
 #endif
 
+#if defined(CONFIG_IA64_ESI) || defined(CONFIG_IA64_ESI_MODULE)
+extern void esi_call_phys (void);
+EXPORT_SYMBOL_GPL(esi_call_phys);
+#endif
 extern char ia64_ivt[];
 EXPORT_SYMBOL(ia64_ivt);
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index 781960f80b6f..169ec3a7156c 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -136,10 +136,8 @@ static void __kprobes update_kprobe_inst_flag(uint template, uint  slot,
 static int __kprobes unsupported_inst(uint template, uint  slot,
 				      uint major_opcode,
 				      unsigned long kprobe_inst,
-				      struct kprobe *p)
+				      unsigned long addr)
 {
-	unsigned long addr = (unsigned long)p->addr;
-
 	if (bundle_encoding[template][slot] == I) {
 		switch (major_opcode) {
 			case 0x0: //I_UNIT_MISC_OPCODE:
@@ -217,7 +215,7 @@ static void __kprobes prepare_break_inst(uint template, uint  slot,
 					 struct kprobe *p)
 {
 	unsigned long break_inst = BREAK_INST;
-	bundle_t *bundle = &p->ainsn.insn.bundle;
+	bundle_t *bundle = &p->opcode.bundle;
 
 	/*
 	 * Copy the original kprobe_inst qualifying predicate(qp)
@@ -423,11 +421,9 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
 	unsigned long *kprobe_addr = (unsigned long *)(addr & ~0xFULL);
 	unsigned long kprobe_inst=0;
 	unsigned int slot = addr & 0xf, template, major_opcode = 0;
-	bundle_t *bundle = &p->ainsn.insn.bundle;
-
-	memcpy(&p->opcode.bundle, kprobe_addr, sizeof(bundle_t));
-	memcpy(&p->ainsn.insn.bundle, kprobe_addr, sizeof(bundle_t));
+	bundle_t *bundle;
 
+	bundle = &((kprobe_opcode_t *)kprobe_addr)->bundle;
  	template = bundle->quad0.template;
 
 	if(valid_kprobe_addr(template, slot, addr))
@@ -440,20 +436,19 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
 	/* Get kprobe_inst and major_opcode from the bundle */
 	get_kprobe_inst(bundle, slot, &kprobe_inst, &major_opcode);
 
-	if (unsupported_inst(template, slot, major_opcode, kprobe_inst, p))
+	if (unsupported_inst(template, slot, major_opcode, kprobe_inst, addr))
 			return -EINVAL;
 
-	prepare_break_inst(template, slot, major_opcode, kprobe_inst, p);
 
-	return 0;
-}
+	p->ainsn.insn = get_insn_slot();
+	if (!p->ainsn.insn)
+		return -ENOMEM;
+	memcpy(&p->opcode, kprobe_addr, sizeof(kprobe_opcode_t));
+	memcpy(p->ainsn.insn, kprobe_addr, sizeof(kprobe_opcode_t));
 
-void __kprobes flush_insn_slot(struct kprobe *p)
-{
-	unsigned long arm_addr;
+	prepare_break_inst(template, slot, major_opcode, kprobe_inst, p);
 
-	arm_addr = ((unsigned long)&p->opcode.bundle) & ~0xFULL;
-	flush_icache_range(arm_addr, arm_addr + sizeof(bundle_t));
+	return 0;
 }
 
 void __kprobes arch_arm_kprobe(struct kprobe *p)
@@ -461,9 +456,10 @@ void __kprobes arch_arm_kprobe(struct kprobe *p)
 	unsigned long addr = (unsigned long)p->addr;
 	unsigned long arm_addr = addr & ~0xFULL;
 
-	flush_insn_slot(p);
-	memcpy((char *)arm_addr, &p->ainsn.insn.bundle, sizeof(bundle_t));
-	flush_icache_range(arm_addr, arm_addr + sizeof(bundle_t));
+	flush_icache_range((unsigned long)p->ainsn.insn,
+			(unsigned long)p->ainsn.insn + sizeof(kprobe_opcode_t));
+	memcpy((char *)arm_addr, &p->opcode, sizeof(kprobe_opcode_t));
+	flush_icache_range(arm_addr, arm_addr + sizeof(kprobe_opcode_t));
 }
 
 void __kprobes arch_disarm_kprobe(struct kprobe *p)
@@ -471,11 +467,18 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
 	unsigned long addr = (unsigned long)p->addr;
 	unsigned long arm_addr = addr & ~0xFULL;
 
-	/* p->opcode contains the original unaltered bundle */
-	memcpy((char *) arm_addr, (char *) &p->opcode.bundle, sizeof(bundle_t));
-	flush_icache_range(arm_addr, arm_addr + sizeof(bundle_t));
+	/* p->ainsn.insn contains the original unaltered kprobe_opcode_t */
+	memcpy((char *) arm_addr, (char *) p->ainsn.insn,
+					 sizeof(kprobe_opcode_t));
+	flush_icache_range(arm_addr, arm_addr + sizeof(kprobe_opcode_t));
 }
 
+void __kprobes arch_remove_kprobe(struct kprobe *p)
+{
+	mutex_lock(&kprobe_mutex);
+	free_insn_slot(p->ainsn.insn);
+	mutex_unlock(&kprobe_mutex);
+}
 /*
  * We are resuming execution after a single step fault, so the pt_regs
  * structure reflects the register state after we executed the instruction
@@ -486,12 +489,12 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
  */
 static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs)
 {
-  	unsigned long bundle_addr = ((unsigned long) (&p->opcode.bundle)) & ~0xFULL;
+  	unsigned long bundle_addr = (unsigned long) (&p->ainsn.insn->bundle);
   	unsigned long resume_addr = (unsigned long)p->addr & ~0xFULL;
  	unsigned long template;
  	int slot = ((unsigned long)p->addr & 0xf);
 
-	template = p->opcode.bundle.quad0.template;
+	template = p->ainsn.insn->bundle.quad0.template;
 
  	if (slot == 1 && bundle_encoding[template][1] == L)
  		slot = 2;
@@ -553,7 +556,7 @@ turn_ss_off:
 
 static void __kprobes prepare_ss(struct kprobe *p, struct pt_regs *regs)
 {
-	unsigned long bundle_addr = (unsigned long) &p->opcode.bundle;
+	unsigned long bundle_addr = (unsigned long) &p->ainsn.insn->bundle;
 	unsigned long slot = (unsigned long)p->addr & 0xf;
 
 	/* single step inline if break instruction */
@@ -768,6 +771,12 @@ static int __kprobes kprobes_fault_handler(struct pt_regs *regs, int trapnr)
 		 */
 		if (cur->fault_handler && cur->fault_handler(cur, regs, trapnr))
 			return 1;
+		/*
+		 * In case the user-specified fault handler returned
+		 * zero, try to fix up.
+		 */
+		if (ia64_done_with_exception(regs))
+			return 1;
 
 		/*
 		 * Let ia64_do_page_fault() fix it.
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 2fbe4536fe18..bfbd8986153b 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -54,6 +54,9 @@
  *
  * 2005-10-07 Keith Owens <kaos@sgi.com>
  *	      Add notify_die() hooks.
+ *
+ * 2006-09-15 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
+ * 	      Add printing support for MCA/INIT.
  */
 #include <linux/types.h>
 #include <linux/init.h>
@@ -136,11 +139,175 @@ extern void salinfo_log_wakeup(int type, u8 *buffer, u64 size, int irqsafe);
 
 static int mca_init __initdata;
 
+/*
+ * limited & delayed printing support for MCA/INIT handler
+ */
+
+#define mprintk(fmt...) ia64_mca_printk(fmt)
+
+#define MLOGBUF_SIZE (512+256*NR_CPUS)
+#define MLOGBUF_MSGMAX 256
+static char mlogbuf[MLOGBUF_SIZE];
+static DEFINE_SPINLOCK(mlogbuf_wlock);	/* mca context only */
+static DEFINE_SPINLOCK(mlogbuf_rlock);	/* normal context only */
+static unsigned long mlogbuf_start;
+static unsigned long mlogbuf_end;
+static unsigned int mlogbuf_finished = 0;
+static unsigned long mlogbuf_timestamp = 0;
+
+static int loglevel_save = -1;
+#define BREAK_LOGLEVEL(__console_loglevel)		\
+	oops_in_progress = 1;				\
+	if (loglevel_save < 0)				\
+		loglevel_save = __console_loglevel;	\
+	__console_loglevel = 15;
+
+#define RESTORE_LOGLEVEL(__console_loglevel)		\
+	if (loglevel_save >= 0) {			\
+		__console_loglevel = loglevel_save;	\
+		loglevel_save = -1;			\
+	}						\
+	mlogbuf_finished = 0;				\
+	oops_in_progress = 0;
+
+/*
+ * Push messages into buffer, print them later if not urgent.
+ */
+void ia64_mca_printk(const char *fmt, ...)
+{
+	va_list args;
+	int printed_len;
+	char temp_buf[MLOGBUF_MSGMAX];
+	char *p;
+
+	va_start(args, fmt);
+	printed_len = vscnprintf(temp_buf, sizeof(temp_buf), fmt, args);
+	va_end(args);
+
+	/* Copy the output into mlogbuf */
+	if (oops_in_progress) {
+		/* mlogbuf was abandoned, use printk directly instead. */
+		printk(temp_buf);
+	} else {
+		spin_lock(&mlogbuf_wlock);
+		for (p = temp_buf; *p; p++) {
+			unsigned long next = (mlogbuf_end + 1) % MLOGBUF_SIZE;
+			if (next != mlogbuf_start) {
+				mlogbuf[mlogbuf_end] = *p;
+				mlogbuf_end = next;
+			} else {
+				/* buffer full */
+				break;
+			}
+		}
+		mlogbuf[mlogbuf_end] = '\0';
+		spin_unlock(&mlogbuf_wlock);
+	}
+}
+EXPORT_SYMBOL(ia64_mca_printk);
+
+/*
+ * Print buffered messages.
+ *  NOTE: call this after returning normal context. (ex. from salinfod)
+ */
+void ia64_mlogbuf_dump(void)
+{
+	char temp_buf[MLOGBUF_MSGMAX];
+	char *p;
+	unsigned long index;
+	unsigned long flags;
+	unsigned int printed_len;
+
+	/* Get output from mlogbuf */
+	while (mlogbuf_start != mlogbuf_end) {
+		temp_buf[0] = '\0';
+		p = temp_buf;
+		printed_len = 0;
+
+		spin_lock_irqsave(&mlogbuf_rlock, flags);
+
+		index = mlogbuf_start;
+		while (index != mlogbuf_end) {
+			*p = mlogbuf[index];
+			index = (index + 1) % MLOGBUF_SIZE;
+			if (!*p)
+				break;
+			p++;
+			if (++printed_len >= MLOGBUF_MSGMAX - 1)
+				break;
+		}
+		*p = '\0';
+		if (temp_buf[0])
+			printk(temp_buf);
+		mlogbuf_start = index;
+
+		mlogbuf_timestamp = 0;
+		spin_unlock_irqrestore(&mlogbuf_rlock, flags);
+	}
+}
+EXPORT_SYMBOL(ia64_mlogbuf_dump);
+
+/*
+ * Call this if system is going to down or if immediate flushing messages to
+ * console is required. (ex. recovery was failed, crash dump is going to be
+ * invoked, long-wait rendezvous etc.)
+ *  NOTE: this should be called from monarch.
+ */
+static void ia64_mlogbuf_finish(int wait)
+{
+	BREAK_LOGLEVEL(console_loglevel);
+
+	spin_lock_init(&mlogbuf_rlock);
+	ia64_mlogbuf_dump();
+	printk(KERN_EMERG "mlogbuf_finish: printing switched to urgent mode, "
+		"MCA/INIT might be dodgy or fail.\n");
+
+	if (!wait)
+		return;
+
+	/* wait for console */
+	printk("Delaying for 5 seconds...\n");
+	udelay(5*1000000);
+
+	mlogbuf_finished = 1;
+}
+EXPORT_SYMBOL(ia64_mlogbuf_finish);
+
+/*
+ * Print buffered messages from INIT context.
+ */
+static void ia64_mlogbuf_dump_from_init(void)
+{
+	if (mlogbuf_finished)
+		return;
+
+	if (mlogbuf_timestamp && (mlogbuf_timestamp + 30*HZ > jiffies)) {
+		printk(KERN_ERR "INIT: mlogbuf_dump is interrupted by INIT "
+			" and the system seems to be messed up.\n");
+		ia64_mlogbuf_finish(0);
+		return;
+	}
+
+	if (!spin_trylock(&mlogbuf_rlock)) {
+		printk(KERN_ERR "INIT: mlogbuf_dump is interrupted by INIT. "
+			"Generated messages other than stack dump will be "
+			"buffered to mlogbuf and will be printed later.\n");
+		printk(KERN_ERR "INIT: If messages would not printed after "
+			"this INIT, wait 30sec and assert INIT again.\n");
+		if (!mlogbuf_timestamp)
+			mlogbuf_timestamp = jiffies;
+		return;
+	}
+	spin_unlock(&mlogbuf_rlock);
+	ia64_mlogbuf_dump();
+}
 
 static void inline
 ia64_mca_spin(const char *func)
 {
-	printk(KERN_EMERG "%s: spinning here, not returning to SAL\n", func);
+	if (monarch_cpu == smp_processor_id())
+		ia64_mlogbuf_finish(0);
+	mprintk(KERN_EMERG "%s: spinning here, not returning to SAL\n", func);
 	while (1)
 		cpu_relax();
 }
@@ -344,9 +511,6 @@ ia64_mca_cpe_int_handler (int cpe_irq, void *arg, struct pt_regs *ptregs)
 	/* SAL spec states this should run w/ interrupts enabled */
 	local_irq_enable();
 
-	/* Get the CPE error record and log it */
-	ia64_mca_log_sal_error_record(SAL_INFO_TYPE_CPE);
-
 	spin_lock(&cpe_history_lock);
 	if (!cpe_poll_enabled && cpe_vector >= 0) {
 
@@ -375,7 +539,7 @@ ia64_mca_cpe_int_handler (int cpe_irq, void *arg, struct pt_regs *ptregs)
 			mod_timer(&cpe_poll_timer, jiffies + MIN_CPE_POLL_INTERVAL);
 
 			/* lock already released, get out now */
-			return IRQ_HANDLED;
+			goto out;
 		} else {
 			cpe_history[index++] = now;
 			if (index == CPE_HISTORY_LENGTH)
@@ -383,6 +547,10 @@ ia64_mca_cpe_int_handler (int cpe_irq, void *arg, struct pt_regs *ptregs)
 		}
 	}
 	spin_unlock(&cpe_history_lock);
+out:
+	/* Get the CPE error record and log it */
+	ia64_mca_log_sal_error_record(SAL_INFO_TYPE_CPE);
+
 	return IRQ_HANDLED;
 }
 
@@ -988,18 +1156,22 @@ ia64_wait_for_slaves(int monarch, const char *type)
 	}
 	if (!missing)
 		goto all_in;
-	printk(KERN_INFO "OS %s slave did not rendezvous on cpu", type);
+	/*
+	 * Maybe slave(s) dead. Print buffered messages immediately.
+	 */
+	ia64_mlogbuf_finish(0);
+	mprintk(KERN_INFO "OS %s slave did not rendezvous on cpu", type);
 	for_each_online_cpu(c) {
 		if (c == monarch)
 			continue;
 		if (ia64_mc_info.imi_rendez_checkin[c] == IA64_MCA_RENDEZ_CHECKIN_NOTDONE)
-			printk(" %d", c);
+			mprintk(" %d", c);
 	}
-	printk("\n");
+	mprintk("\n");
 	return;
 
 all_in:
-	printk(KERN_INFO "All OS %s slaves have reached rendezvous\n", type);
+	mprintk(KERN_INFO "All OS %s slaves have reached rendezvous\n", type);
 	return;
 }
 
@@ -1027,10 +1199,8 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
 	struct ia64_mca_notify_die nd =
 		{ .sos = sos, .monarch_cpu = &monarch_cpu };
 
-	oops_in_progress = 1;	/* FIXME: make printk NMI/MCA/INIT safe */
-	console_loglevel = 15;	/* make sure printks make it to console */
-	printk(KERN_INFO "Entered OS MCA handler. PSP=%lx cpu=%d monarch=%ld\n",
-		sos->proc_state_param, cpu, sos->monarch);
+	mprintk(KERN_INFO "Entered OS MCA handler. PSP=%lx cpu=%d "
+		"monarch=%ld\n", sos->proc_state_param, cpu, sos->monarch);
 
 	previous_current = ia64_mca_modify_original_stack(regs, sw, sos, "MCA");
 	monarch_cpu = cpu;
@@ -1066,6 +1236,9 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
 		rh->severity = sal_log_severity_corrected;
 		ia64_sal_clear_state_info(SAL_INFO_TYPE_MCA);
 		sos->os_status = IA64_MCA_CORRECTED;
+	} else {
+		/* Dump buffered message to console */
+		ia64_mlogbuf_finish(1);
 	}
 	if (notify_die(DIE_MCA_MONARCH_LEAVE, "MCA", regs, (long)&nd, 0, recover)
 			== NOTIFY_STOP)
@@ -1106,9 +1279,6 @@ ia64_mca_cmc_int_handler(int cmc_irq, void *arg, struct pt_regs *ptregs)
 	/* SAL spec states this should run w/ interrupts enabled */
 	local_irq_enable();
 
-	/* Get the CMC error record and log it */
-	ia64_mca_log_sal_error_record(SAL_INFO_TYPE_CMC);
-
 	spin_lock(&cmc_history_lock);
 	if (!cmc_polling_enabled) {
 		int i, count = 1; /* we know 1 happened now */
@@ -1141,7 +1311,7 @@ ia64_mca_cmc_int_handler(int cmc_irq, void *arg, struct pt_regs *ptregs)
 			mod_timer(&cmc_poll_timer, jiffies + CMC_POLL_INTERVAL);
 
 			/* lock already released, get out now */
-			return IRQ_HANDLED;
+			goto out;
 		} else {
 			cmc_history[index++] = now;
 			if (index == CMC_HISTORY_LENGTH)
@@ -1149,6 +1319,10 @@ ia64_mca_cmc_int_handler(int cmc_irq, void *arg, struct pt_regs *ptregs)
 		}
 	}
 	spin_unlock(&cmc_history_lock);
+out:
+	/* Get the CMC error record and log it */
+	ia64_mca_log_sal_error_record(SAL_INFO_TYPE_CMC);
+
 	return IRQ_HANDLED;
 }
 
@@ -1305,6 +1479,15 @@ default_monarch_init_process(struct notifier_block *self, unsigned long val, voi
 	struct task_struct *g, *t;
 	if (val != DIE_INIT_MONARCH_PROCESS)
 		return NOTIFY_DONE;
+
+	/*
+	 * FIXME: mlogbuf will brim over with INIT stack dumps.
+	 * To enable show_stack from INIT, we use oops_in_progress which should
+	 * be used in real oops. This would cause something wrong after INIT.
+	 */
+	BREAK_LOGLEVEL(console_loglevel);
+	ia64_mlogbuf_dump_from_init();
+
 	printk(KERN_ERR "Processes interrupted by INIT -");
 	for_each_online_cpu(c) {
 		struct ia64_sal_os_state *s;
@@ -1326,6 +1509,8 @@ default_monarch_init_process(struct notifier_block *self, unsigned long val, voi
 		} while_each_thread (g, t);
 		read_unlock(&tasklist_lock);
 	}
+	/* FIXME: This will not restore zapped printk locks. */
+	RESTORE_LOGLEVEL(console_loglevel);
 	return NOTIFY_DONE;
 }
 
@@ -1357,12 +1542,9 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 	struct ia64_mca_notify_die nd =
 		{ .sos = sos, .monarch_cpu = &monarch_cpu };
 
-	oops_in_progress = 1;	/* FIXME: make printk NMI/MCA/INIT safe */
-	console_loglevel = 15;	/* make sure printks make it to console */
-
 	(void) notify_die(DIE_INIT_ENTER, "INIT", regs, (long)&nd, 0, 0);
 
-	printk(KERN_INFO "Entered OS INIT handler. PSP=%lx cpu=%d monarch=%ld\n",
+	mprintk(KERN_INFO "Entered OS INIT handler. PSP=%lx cpu=%d monarch=%ld\n",
 		sos->proc_state_param, cpu, sos->monarch);
 	salinfo_log_wakeup(SAL_INFO_TYPE_INIT, NULL, 0, 0);
 
@@ -1375,7 +1557,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 	 * fix their proms and get their customers updated.
 	 */
 	if (!sos->monarch && atomic_add_return(1, &slaves) == num_online_cpus()) {
-		printk(KERN_WARNING "%s: Promoting cpu %d to monarch.\n",
+		mprintk(KERN_WARNING "%s: Promoting cpu %d to monarch.\n",
 		       __FUNCTION__, cpu);
 		atomic_dec(&slaves);
 		sos->monarch = 1;
@@ -1387,7 +1569,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 	 * fix their proms and get their customers updated.
 	 */
 	if (sos->monarch && atomic_add_return(1, &monarchs) > 1) {
-		printk(KERN_WARNING "%s: Demoting cpu %d to slave.\n",
+		mprintk(KERN_WARNING "%s: Demoting cpu %d to slave.\n",
 			       __FUNCTION__, cpu);
 		atomic_dec(&monarchs);
 		sos->monarch = 0;
@@ -1408,7 +1590,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 		if (notify_die(DIE_INIT_SLAVE_LEAVE, "INIT", regs, (long)&nd, 0, 0)
 				== NOTIFY_STOP)
 			ia64_mca_spin(__FUNCTION__);
-		printk("Slave on cpu %d returning to normal service.\n", cpu);
+		mprintk("Slave on cpu %d returning to normal service.\n", cpu);
 		set_curr_task(cpu, previous_current);
 		ia64_mc_info.imi_rendez_checkin[cpu] = IA64_MCA_RENDEZ_CHECKIN_NOTDONE;
 		atomic_dec(&slaves);
@@ -1426,7 +1608,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 	 * same serial line, the user will need some time to switch out of the BMC before
 	 * the dump begins.
 	 */
-	printk("Delaying for 5 seconds...\n");
+	mprintk("Delaying for 5 seconds...\n");
 	udelay(5*1000000);
 	ia64_wait_for_slaves(cpu, "INIT");
 	/* If nobody intercepts DIE_INIT_MONARCH_PROCESS then we drop through
@@ -1439,7 +1621,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
 	if (notify_die(DIE_INIT_MONARCH_LEAVE, "INIT", regs, (long)&nd, 0, 0)
 			== NOTIFY_STOP)
 		ia64_mca_spin(__FUNCTION__);
-	printk("\nINIT dump complete.  Monarch on cpu %d returning to normal service.\n", cpu);
+	mprintk("\nINIT dump complete.  Monarch on cpu %d returning to normal service.\n", cpu);
 	atomic_dec(&monarchs);
 	set_curr_task(cpu, previous_current);
 	monarch_cpu = -1;
diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index 96047491d1b9..c6b607c00dee 100644
--- a/arch/ia64/kernel/mca_asm.S
+++ b/arch/ia64/kernel/mca_asm.S
@@ -1025,18 +1025,13 @@ ia64_old_stack:
 
 ia64_set_kernel_registers:
 	add temp3=MCA_SP_OFFSET, r3
-	add temp4=MCA_SOS_OFFSET+SOS(OS_GP), r3
 	mov b0=r2		// save return address
 	GET_IA64_MCA_DATA(temp1)
 	;;
-	add temp4=temp4, temp1	// &struct ia64_sal_os_state.os_gp
 	add r12=temp1, temp3	// kernel stack pointer on MCA/INIT stack
 	add r13=temp1, r3	// set current to start of MCA/INIT stack
 	add r20=temp1, r3	// physical start of MCA/INIT stack
 	;;
-	ld8 r1=[temp4]		// OS GP from SAL OS state
-	;;
-	DATA_PA_TO_VA(r1,temp1)
 	DATA_PA_TO_VA(r12,temp2)
 	DATA_PA_TO_VA(r13,temp3)
 	;;
@@ -1067,6 +1062,10 @@ ia64_set_kernel_registers:
 	mov cr.itir=r18
 	mov cr.ifa=r13
 	mov r20=IA64_TR_CURRENT_STACK
+
+	movl r17=FPSR_DEFAULT
+	;;
+	mov.m ar.fpsr=r17			// set ar.fpsr to kernel default value
 	;;
 	itr.d dtr[r20]=r21
 	;;
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 8db6e0cedadc..a45009d2bc90 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -79,14 +79,30 @@ static int
 fatal_mca(const char *fmt, ...)
 {
 	va_list args;
+	char buf[256];
 
 	va_start(args, fmt);
-	vprintk(fmt, args);
+	vsnprintf(buf, sizeof(buf), fmt, args);
 	va_end(args);
+	ia64_mca_printk(KERN_ALERT "MCA: %s\n", buf);
 
 	return MCA_NOT_RECOVERED;
 }
 
+static int
+mca_recovered(const char *fmt, ...)
+{
+	va_list args;
+	char buf[256];
+
+	va_start(args, fmt);
+	vsnprintf(buf, sizeof(buf), fmt, args);
+	va_end(args);
+	ia64_mca_printk(KERN_INFO "MCA: %s\n", buf);
+
+	return MCA_RECOVERED;
+}
+
 /**
  * mca_page_isolate - isolate a poisoned page in order not to use it later
  * @paddr:	poisoned memory location
@@ -140,6 +156,7 @@ mca_page_isolate(unsigned long paddr)
 void
 mca_handler_bh(unsigned long paddr, void *iip, unsigned long ipsr)
 {
+	ia64_mlogbuf_dump();
 	printk(KERN_ERR "OS_MCA: process [cpu %d, pid: %d, uid: %d, "
 		"iip: %p, psr: 0x%lx,paddr: 0x%lx](%s) encounters MCA.\n",
 		raw_smp_processor_id(), current->pid, current->uid,
@@ -440,7 +457,7 @@ recover_from_read_error(slidx_table_t *slidx,
 
 	/* Is target address valid? */
 	if (!pbci->tv)
-		return fatal_mca(KERN_ALERT "MCA: target address not valid\n");
+		return fatal_mca("target address not valid");
 
 	/*
 	 * cpu read or memory-mapped io read
@@ -458,7 +475,7 @@ recover_from_read_error(slidx_table_t *slidx,
 
 	/* Is minstate valid? */
 	if (!peidx_bottom(peidx) || !(peidx_bottom(peidx)->valid.minstate))
-		return fatal_mca(KERN_ALERT "MCA: minstate not valid\n");
+		return fatal_mca("minstate not valid");
 	psr1 =(struct ia64_psr *)&(peidx_minstate_area(peidx)->pmsa_ipsr);
 	psr2 =(struct ia64_psr *)&(peidx_minstate_area(peidx)->pmsa_xpsr);
 
@@ -492,13 +509,14 @@ recover_from_read_error(slidx_table_t *slidx,
 			psr2->bn  = 1;
 			psr2->i  = 0;
 
-			return MCA_RECOVERED;
+			return mca_recovered("user memory corruption. "
+				"kill affected process - recovered.");
 		}
 
 	}
 
-	return fatal_mca(KERN_ALERT "MCA: kernel context not recovered,"
-			  " iip 0x%lx\n", pmsa->pmsa_iip);
+	return fatal_mca("kernel context not recovered, iip 0x%lx\n",
+			 pmsa->pmsa_iip);
 }
 
 /**
@@ -584,13 +602,13 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
 	 * The machine check is corrected.
 	 */
 	if (psp->cm == 1)
-		return MCA_RECOVERED;
+		return mca_recovered("machine check is already corrected.");
 
 	/*
 	 * The error was not contained.  Software must be reset.
 	 */
 	if (psp->us || psp->ci == 0)
-		return fatal_mca(KERN_ALERT "MCA: error not contained\n");
+		return fatal_mca("error not contained");
 
 	/*
 	 * The cache check and bus check bits have four possible states
@@ -601,22 +619,22 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
 	 *    1  1	Memory error, attempt recovery
 	 */
 	if (psp->bc == 0 || pbci == NULL)
-		return fatal_mca(KERN_ALERT "MCA: No bus check\n");
+		return fatal_mca("No bus check");
 
 	/*
 	 * Sorry, we cannot handle so many.
 	 */
 	if (peidx_bus_check_num(peidx) > 1)
-		return fatal_mca(KERN_ALERT "MCA: Too many bus checks\n");
+		return fatal_mca("Too many bus checks");
 	/*
 	 * Well, here is only one bus error.
 	 */
 	if (pbci->ib)
-		return fatal_mca(KERN_ALERT "MCA: Internal Bus error\n");
+		return fatal_mca("Internal Bus error");
 	if (pbci->cc)
-		return fatal_mca(KERN_ALERT "MCA: Cache-cache error\n");
+		return fatal_mca("Cache-cache error");
 	if (pbci->eb && pbci->bsi > 0)
-		return fatal_mca(KERN_ALERT "MCA: External bus check fatal status\n");
+		return fatal_mca("External bus check fatal status");
 
 	/*
 	 * This is a local MCA and estimated as recoverble external bus error.
@@ -628,7 +646,7 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
 	/*
 	 * On account of strange SAL error record, we cannot recover.
 	 */
-	return fatal_mca(KERN_ALERT "MCA: Strange SAL record\n");
+	return fatal_mca("Strange SAL record");
 }
 
 /**
@@ -657,10 +675,10 @@ mca_try_to_recover(void *rec, struct ia64_sal_os_state *sos)
 
 	 /* Now, OS can recover when there is one processor error section */
 	if (n_proc_err > 1)
-		return fatal_mca(KERN_ALERT "MCA: Too Many Errors\n");
+		return fatal_mca("Too Many Errors");
 	else if (n_proc_err == 0)
-		/* Weird SAL record ... We need not to recover */
-		return fatal_mca(KERN_ALERT "MCA: Weird SAL record\n");
+		/* Weird SAL record ... We can't do anything */
+		return fatal_mca("Weird SAL record");
 
 	/* Make index of processor error section */
 	mca_make_peidx((sal_log_processor_info_t*)
@@ -671,7 +689,7 @@ mca_try_to_recover(void *rec, struct ia64_sal_os_state *sos)
 
 	/* Check whether MCA is global or not */
 	if (is_mca_global(&peidx, &pbci, sos))
-		return fatal_mca(KERN_ALERT "MCA: global MCA\n");
+		return fatal_mca("global MCA");
 	
 	/* Try to recover a processor error */
 	return recover_from_processor_error(platform_err, &slidx, &peidx,
diff --git a/arch/ia64/kernel/mca_drv.h b/arch/ia64/kernel/mca_drv.h
index 31a2e52bb16f..c85e943ba5fd 100644
--- a/arch/ia64/kernel/mca_drv.h
+++ b/arch/ia64/kernel/mca_drv.h
@@ -118,3 +118,7 @@ struct mca_table_entry {
 
 extern const struct mca_table_entry *search_mca_tables (unsigned long addr);
 extern int mca_recover_range(unsigned long);
+extern void ia64_mca_printk(const char * fmt, ...)
+	 __attribute__ ((format (printf, 1, 2)));
+extern void ia64_mlogbuf_dump(void);
+
diff --git a/arch/ia64/kernel/numa.c b/arch/ia64/kernel/numa.c
index 1cc360c83e7a..20340631179f 100644
--- a/arch/ia64/kernel/numa.c
+++ b/arch/ia64/kernel/numa.c
@@ -29,6 +29,36 @@ EXPORT_SYMBOL(cpu_to_node_map);
 
 cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned;
 
+void __cpuinit map_cpu_to_node(int cpu, int nid)
+{
+	int oldnid;
+	if (nid < 0) { /* just initialize by zero */
+		cpu_to_node_map[cpu] = 0;
+		return;
+	}
+	/* sanity check first */
+	oldnid = cpu_to_node_map[cpu];
+	if (cpu_isset(cpu, node_to_cpu_mask[oldnid])) {
+		return; /* nothing to do */
+	}
+	/* we don't have cpu-driven node hot add yet...
+	   In usual case, node is created from SRAT at boot time. */
+	if (!node_online(nid))
+		nid = first_online_node;
+	cpu_to_node_map[cpu] = nid;
+	cpu_set(cpu, node_to_cpu_mask[nid]);
+	return;
+}
+
+void __cpuinit unmap_cpu_from_node(int cpu, int nid)
+{
+	WARN_ON(!cpu_isset(cpu, node_to_cpu_mask[nid]));
+	WARN_ON(cpu_to_node_map[cpu] != nid);
+	cpu_to_node_map[cpu] = 0;
+	cpu_clear(cpu, node_to_cpu_mask[nid]);
+}
+
+
 /**
  * build_cpu_to_node_map - setup cpu to node and node to cpumask arrays
  *
@@ -49,8 +79,6 @@ void __init build_cpu_to_node_map(void)
 				node = node_cpuid[i].nid;
 				break;
 			}
-		cpu_to_node_map[cpu] = (node >= 0) ? node : 0;
-		if (node >= 0)
-			cpu_set(cpu, node_to_cpu_mask[node]);
+		map_cpu_to_node(cpu, node);
 	}
 }
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 84a7e52f56f6..281004ff7b00 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -34,6 +34,7 @@
 #include <linux/file.h>
 #include <linux/poll.h>
 #include <linux/vfs.h>
+#include <linux/smp.h>
 #include <linux/pagemap.h>
 #include <linux/mount.h>
 #include <linux/bitops.h>
@@ -62,6 +63,9 @@
 
 #define PFM_INVALID_ACTIVATION	(~0UL)
 
+#define PFM_NUM_PMC_REGS	64	/* PMC save area for ctxsw */
+#define PFM_NUM_PMD_REGS	64	/* PMD save area for ctxsw */
+
 /*
  * depth of message queue
  */
@@ -296,14 +300,17 @@ typedef struct pfm_context {
 	unsigned long		ctx_reload_pmcs[4];	/* bitmask of force reload PMC on ctxsw in */
 	unsigned long		ctx_used_monitors[4];	/* bitmask of monitor PMC being used */
 
-	unsigned long		ctx_pmcs[IA64_NUM_PMC_REGS];	/*  saved copies of PMC values */
+	unsigned long		ctx_pmcs[PFM_NUM_PMC_REGS];	/*  saved copies of PMC values */
 
 	unsigned int		ctx_used_ibrs[1];		/* bitmask of used IBR (speedup ctxsw in) */
 	unsigned int		ctx_used_dbrs[1];		/* bitmask of used DBR (speedup ctxsw in) */
 	unsigned long		ctx_dbrs[IA64_NUM_DBG_REGS];	/* DBR values (cache) when not loaded */
 	unsigned long		ctx_ibrs[IA64_NUM_DBG_REGS];	/* IBR values (cache) when not loaded */
 
-	pfm_counter_t		ctx_pmds[IA64_NUM_PMD_REGS]; /* software state for PMDS */
+	pfm_counter_t		ctx_pmds[PFM_NUM_PMD_REGS]; /* software state for PMDS */
+
+	unsigned long		th_pmcs[PFM_NUM_PMC_REGS];	/* PMC thread save state */
+	unsigned long		th_pmds[PFM_NUM_PMD_REGS];	/* PMD thread save state */
 
 	u64			ctx_saved_psr_up;	/* only contains psr.up value */
 
@@ -867,7 +874,6 @@ static void
 pfm_mask_monitoring(struct task_struct *task)
 {
 	pfm_context_t *ctx = PFM_GET_CTX(task);
-	struct thread_struct *th = &task->thread;
 	unsigned long mask, val, ovfl_mask;
 	int i;
 
@@ -888,7 +894,7 @@ pfm_mask_monitoring(struct task_struct *task)
 	 * So in both cases, the live register contains the owner's
 	 * state. We can ONLY touch the PMU registers and NOT the PSR.
 	 *
-	 * As a consequence to this call, the thread->pmds[] array
+	 * As a consequence to this call, the ctx->th_pmds[] array
 	 * contains stale information which must be ignored
 	 * when context is reloaded AND monitoring is active (see
 	 * pfm_restart).
@@ -923,9 +929,9 @@ pfm_mask_monitoring(struct task_struct *task)
 	mask = ctx->ctx_used_monitors[0] >> PMU_FIRST_COUNTER;
 	for(i= PMU_FIRST_COUNTER; mask; i++, mask>>=1) {
 		if ((mask & 0x1) == 0UL) continue;
-		ia64_set_pmc(i, th->pmcs[i] & ~0xfUL);
-		th->pmcs[i] &= ~0xfUL;
-		DPRINT_ovfl(("pmc[%d]=0x%lx\n", i, th->pmcs[i]));
+		ia64_set_pmc(i, ctx->th_pmcs[i] & ~0xfUL);
+		ctx->th_pmcs[i] &= ~0xfUL;
+		DPRINT_ovfl(("pmc[%d]=0x%lx\n", i, ctx->th_pmcs[i]));
 	}
 	/*
 	 * make all of this visible
@@ -942,7 +948,6 @@ static void
 pfm_restore_monitoring(struct task_struct *task)
 {
 	pfm_context_t *ctx = PFM_GET_CTX(task);
-	struct thread_struct *th = &task->thread;
 	unsigned long mask, ovfl_mask;
 	unsigned long psr, val;
 	int i, is_system;
@@ -1008,9 +1013,9 @@ pfm_restore_monitoring(struct task_struct *task)
 	mask = ctx->ctx_used_monitors[0] >> PMU_FIRST_COUNTER;
 	for(i= PMU_FIRST_COUNTER; mask; i++, mask>>=1) {
 		if ((mask & 0x1) == 0UL) continue;
-		th->pmcs[i] = ctx->ctx_pmcs[i];
-		ia64_set_pmc(i, th->pmcs[i]);
-		DPRINT(("[%d] pmc[%d]=0x%lx\n", task->pid, i, th->pmcs[i]));
+		ctx->th_pmcs[i] = ctx->ctx_pmcs[i];
+		ia64_set_pmc(i, ctx->th_pmcs[i]);
+		DPRINT(("[%d] pmc[%d]=0x%lx\n", task->pid, i, ctx->th_pmcs[i]));
 	}
 	ia64_srlz_d();
 
@@ -1069,7 +1074,6 @@ pfm_restore_pmds(unsigned long *pmds, unsigned long mask)
 static inline void
 pfm_copy_pmds(struct task_struct *task, pfm_context_t *ctx)
 {
-	struct thread_struct *thread = &task->thread;
 	unsigned long ovfl_val = pmu_conf->ovfl_val;
 	unsigned long mask = ctx->ctx_all_pmds[0];
 	unsigned long val;
@@ -1091,11 +1095,11 @@ pfm_copy_pmds(struct task_struct *task, pfm_context_t *ctx)
 			ctx->ctx_pmds[i].val = val & ~ovfl_val;
 			 val &= ovfl_val;
 		}
-		thread->pmds[i] = val;
+		ctx->th_pmds[i] = val;
 
 		DPRINT(("pmd[%d]=0x%lx soft_val=0x%lx\n",
 			i,
-			thread->pmds[i],
+			ctx->th_pmds[i],
 			ctx->ctx_pmds[i].val));
 	}
 }
@@ -1106,7 +1110,6 @@ pfm_copy_pmds(struct task_struct *task, pfm_context_t *ctx)
 static inline void
 pfm_copy_pmcs(struct task_struct *task, pfm_context_t *ctx)
 {
-	struct thread_struct *thread = &task->thread;
 	unsigned long mask = ctx->ctx_all_pmcs[0];
 	int i;
 
@@ -1114,8 +1117,8 @@ pfm_copy_pmcs(struct task_struct *task, pfm_context_t *ctx)
 
 	for (i=0; mask; i++, mask>>=1) {
 		/* masking 0 with ovfl_val yields 0 */
-		thread->pmcs[i] = ctx->ctx_pmcs[i];
-		DPRINT(("pmc[%d]=0x%lx\n", i, thread->pmcs[i]));
+		ctx->th_pmcs[i] = ctx->ctx_pmcs[i];
+		DPRINT(("pmc[%d]=0x%lx\n", i, ctx->th_pmcs[i]));
 	}
 }
 
@@ -2859,7 +2862,6 @@ pfm_reset_regs(pfm_context_t *ctx, unsigned long *ovfl_regs, int is_long_reset)
 static int
 pfm_write_pmcs(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 {
-	struct thread_struct *thread = NULL;
 	struct task_struct *task;
 	pfarg_reg_t *req = (pfarg_reg_t *)arg;
 	unsigned long value, pmc_pm;
@@ -2880,7 +2882,6 @@ pfm_write_pmcs(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 	if (state == PFM_CTX_ZOMBIE) return -EINVAL;
 
 	if (is_loaded) {
-		thread = &task->thread;
 		/*
 		 * In system wide and when the context is loaded, access can only happen
 		 * when the caller is running on the CPU being monitored by the session.
@@ -3035,7 +3036,7 @@ pfm_write_pmcs(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 		 *
 		 * The value in ctx_pmcs[] can only be changed in pfm_write_pmcs().
 		 *
-		 * The value in thread->pmcs[] may be modified on overflow, i.e.,  when
+		 * The value in th_pmcs[] may be modified on overflow, i.e.,  when
 		 * monitoring needs to be stopped.
 		 */
 		if (is_monitor) CTX_USED_MONITOR(ctx, 1UL << cnum);
@@ -3049,7 +3050,7 @@ pfm_write_pmcs(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 			/*
 			 * write thread state
 			 */
-			if (is_system == 0) thread->pmcs[cnum] = value;
+			if (is_system == 0) ctx->th_pmcs[cnum] = value;
 
 			/*
 			 * write hardware register if we can
@@ -3101,7 +3102,6 @@ error:
 static int
 pfm_write_pmds(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 {
-	struct thread_struct *thread = NULL;
 	struct task_struct *task;
 	pfarg_reg_t *req = (pfarg_reg_t *)arg;
 	unsigned long value, hw_value, ovfl_mask;
@@ -3125,7 +3125,6 @@ pfm_write_pmds(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 	 * the owner of the local PMU.
 	 */
 	if (likely(is_loaded)) {
-		thread = &task->thread;
 		/*
 		 * In system wide and when the context is loaded, access can only happen
 		 * when the caller is running on the CPU being monitored by the session.
@@ -3233,7 +3232,7 @@ pfm_write_pmds(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 			/*
 		 	 * write thread state
 		 	 */
-			if (is_system == 0) thread->pmds[cnum] = hw_value;
+			if (is_system == 0) ctx->th_pmds[cnum] = hw_value;
 
 			/*
 			 * write hardware register if we can
@@ -3299,7 +3298,6 @@ abort_mission:
 static int
 pfm_read_pmds(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 {
-	struct thread_struct *thread = NULL;
 	struct task_struct *task;
 	unsigned long val = 0UL, lval, ovfl_mask, sval;
 	pfarg_reg_t *req = (pfarg_reg_t *)arg;
@@ -3323,7 +3321,6 @@ pfm_read_pmds(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 	if (state == PFM_CTX_ZOMBIE) return -EINVAL;
 
 	if (likely(is_loaded)) {
-		thread = &task->thread;
 		/*
 		 * In system wide and when the context is loaded, access can only happen
 		 * when the caller is running on the CPU being monitored by the session.
@@ -3385,7 +3382,7 @@ pfm_read_pmds(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 			 * if context is zombie, then task does not exist anymore.
 			 * In this case, we use the full value saved in the context (pfm_flush_regs()).
 			 */
-			val = is_loaded ? thread->pmds[cnum] : 0UL;
+			val = is_loaded ? ctx->th_pmds[cnum] : 0UL;
 		}
 		rd_func = pmu_conf->pmd_desc[cnum].read_check;
 
@@ -4354,8 +4351,8 @@ pfm_context_load(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
 	pfm_copy_pmds(task, ctx);
 	pfm_copy_pmcs(task, ctx);
 
-	pmcs_source = thread->pmcs;
-	pmds_source = thread->pmds;
+	pmcs_source = ctx->th_pmcs;
+	pmds_source = ctx->th_pmds;
 
 	/*
 	 * always the case for system-wide
@@ -5864,14 +5861,12 @@ void
 pfm_save_regs(struct task_struct *task)
 {
 	pfm_context_t *ctx;
-	struct thread_struct *t;
 	unsigned long flags;
 	u64 psr;
 
 
 	ctx = PFM_GET_CTX(task);
 	if (ctx == NULL) return;
-	t = &task->thread;
 
 	/*
  	 * we always come here with interrupts ALREADY disabled by
@@ -5929,19 +5924,19 @@ pfm_save_regs(struct task_struct *task)
 	 * guarantee we will be schedule at that same
 	 * CPU again.
 	 */
-	pfm_save_pmds(t->pmds, ctx->ctx_used_pmds[0]);
+	pfm_save_pmds(ctx->th_pmds, ctx->ctx_used_pmds[0]);
 
 	/*
 	 * save pmc0 ia64_srlz_d() done in pfm_save_pmds()
 	 * we will need it on the restore path to check
 	 * for pending overflow.
 	 */
-	t->pmcs[0] = ia64_get_pmc(0);
+	ctx->th_pmcs[0] = ia64_get_pmc(0);
 
 	/*
 	 * unfreeze PMU if had pending overflows
 	 */
-	if (t->pmcs[0] & ~0x1UL) pfm_unfreeze_pmu();
+	if (ctx->th_pmcs[0] & ~0x1UL) pfm_unfreeze_pmu();
 
 	/*
 	 * finally, allow context access.
@@ -5986,7 +5981,6 @@ static void
 pfm_lazy_save_regs (struct task_struct *task)
 {
 	pfm_context_t *ctx;
-	struct thread_struct *t;
 	unsigned long flags;
 
 	{ u64 psr  = pfm_get_psr();
@@ -5994,7 +5988,6 @@ pfm_lazy_save_regs (struct task_struct *task)
 	}
 
 	ctx = PFM_GET_CTX(task);
-	t   = &task->thread;
 
 	/*
 	 * we need to mask PMU overflow here to
@@ -6019,19 +6012,19 @@ pfm_lazy_save_regs (struct task_struct *task)
 	/*
 	 * save all the pmds we use
 	 */
-	pfm_save_pmds(t->pmds, ctx->ctx_used_pmds[0]);
+	pfm_save_pmds(ctx->th_pmds, ctx->ctx_used_pmds[0]);
 
 	/*
 	 * save pmc0 ia64_srlz_d() done in pfm_save_pmds()
 	 * it is needed to check for pended overflow
 	 * on the restore path
 	 */
-	t->pmcs[0] = ia64_get_pmc(0);
+	ctx->th_pmcs[0] = ia64_get_pmc(0);
 
 	/*
 	 * unfreeze PMU if had pending overflows
 	 */
-	if (t->pmcs[0] & ~0x1UL) pfm_unfreeze_pmu();
+	if (ctx->th_pmcs[0] & ~0x1UL) pfm_unfreeze_pmu();
 
 	/*
 	 * now get can unmask PMU interrupts, they will
@@ -6050,7 +6043,6 @@ void
 pfm_load_regs (struct task_struct *task)
 {
 	pfm_context_t *ctx;
-	struct thread_struct *t;
 	unsigned long pmc_mask = 0UL, pmd_mask = 0UL;
 	unsigned long flags;
 	u64 psr, psr_up;
@@ -6061,11 +6053,10 @@ pfm_load_regs (struct task_struct *task)
 
 	BUG_ON(GET_PMU_OWNER());
 
-	t     = &task->thread;
 	/*
 	 * possible on unload
 	 */
-	if (unlikely((t->flags & IA64_THREAD_PM_VALID) == 0)) return;
+	if (unlikely((task->thread.flags & IA64_THREAD_PM_VALID) == 0)) return;
 
 	/*
  	 * we always come here with interrupts ALREADY disabled by
@@ -6147,21 +6138,21 @@ pfm_load_regs (struct task_struct *task)
 	 *
 	 * XXX: optimize here
 	 */
-	if (pmd_mask) pfm_restore_pmds(t->pmds, pmd_mask);
-	if (pmc_mask) pfm_restore_pmcs(t->pmcs, pmc_mask);
+	if (pmd_mask) pfm_restore_pmds(ctx->th_pmds, pmd_mask);
+	if (pmc_mask) pfm_restore_pmcs(ctx->th_pmcs, pmc_mask);
 
 	/*
 	 * check for pending overflow at the time the state
 	 * was saved.
 	 */
-	if (unlikely(PMC0_HAS_OVFL(t->pmcs[0]))) {
+	if (unlikely(PMC0_HAS_OVFL(ctx->th_pmcs[0]))) {
 		/*
 		 * reload pmc0 with the overflow information
 		 * On McKinley PMU, this will trigger a PMU interrupt
 		 */
-		ia64_set_pmc(0, t->pmcs[0]);
+		ia64_set_pmc(0, ctx->th_pmcs[0]);
 		ia64_srlz_d();
-		t->pmcs[0] = 0UL;
+		ctx->th_pmcs[0] = 0UL;
 
 		/*
 		 * will replay the PMU interrupt
@@ -6214,7 +6205,6 @@ pfm_load_regs (struct task_struct *task)
 void
 pfm_load_regs (struct task_struct *task)
 {
-	struct thread_struct *t;
 	pfm_context_t *ctx;
 	struct task_struct *owner;
 	unsigned long pmd_mask, pmc_mask;
@@ -6223,7 +6213,6 @@ pfm_load_regs (struct task_struct *task)
 
 	owner = GET_PMU_OWNER();
 	ctx   = PFM_GET_CTX(task);
-	t     = &task->thread;
 	psr   = pfm_get_psr();
 
 	BUG_ON(psr & (IA64_PSR_UP|IA64_PSR_PP));
@@ -6286,22 +6275,22 @@ pfm_load_regs (struct task_struct *task)
 	 */
 	pmc_mask = ctx->ctx_all_pmcs[0];
 
-	pfm_restore_pmds(t->pmds, pmd_mask);
-	pfm_restore_pmcs(t->pmcs, pmc_mask);
+	pfm_restore_pmds(ctx->th_pmds, pmd_mask);
+	pfm_restore_pmcs(ctx->th_pmcs, pmc_mask);
 
 	/*
 	 * check for pending overflow at the time the state
 	 * was saved.
 	 */
-	if (unlikely(PMC0_HAS_OVFL(t->pmcs[0]))) {
+	if (unlikely(PMC0_HAS_OVFL(ctx->th_pmcs[0]))) {
 		/*
 		 * reload pmc0 with the overflow information
 		 * On McKinley PMU, this will trigger a PMU interrupt
 		 */
-		ia64_set_pmc(0, t->pmcs[0]);
+		ia64_set_pmc(0, ctx->th_pmcs[0]);
 		ia64_srlz_d();
 
-		t->pmcs[0] = 0UL;
+		ctx->th_pmcs[0] = 0UL;
 
 		/*
 		 * will replay the PMU interrupt
@@ -6376,11 +6365,11 @@ pfm_flush_pmds(struct task_struct *task, pfm_context_t *ctx)
 		 */
 		pfm_unfreeze_pmu();
 	} else {
-		pmc0 = task->thread.pmcs[0];
+		pmc0 = ctx->th_pmcs[0];
 		/*
 		 * clear whatever overflow status bits there were
 		 */
-		task->thread.pmcs[0] = 0;
+		ctx->th_pmcs[0] = 0;
 	}
 	ovfl_val = pmu_conf->ovfl_val;
 	/*
@@ -6401,7 +6390,7 @@ pfm_flush_pmds(struct task_struct *task, pfm_context_t *ctx)
 		/*
 		 * can access PMU always true in system wide mode
 		 */
-		val = pmd_val = can_access_pmu ? ia64_get_pmd(i) : task->thread.pmds[i];
+		val = pmd_val = can_access_pmu ? ia64_get_pmd(i) : ctx->th_pmds[i];
 
 		if (PMD_IS_COUNTING(i)) {
 			DPRINT(("[%d] pmd[%d] ctx_pmd=0x%lx hw_pmd=0x%lx\n",
@@ -6433,7 +6422,7 @@ pfm_flush_pmds(struct task_struct *task, pfm_context_t *ctx)
 
 		DPRINT(("[%d] ctx_pmd[%d]=0x%lx  pmd_val=0x%lx\n", task->pid, i, val, pmd_val));
 
-		if (is_self) task->thread.pmds[i] = pmd_val;
+		if (is_self) ctx->th_pmds[i] = pmd_val;
 
 		ctx->ctx_pmds[i].val = val;
 	}
@@ -6677,7 +6666,7 @@ pfm_init(void)
 	       ffz(pmu_conf->ovfl_val));
 
 	/* sanity check */
-	if (pmu_conf->num_pmds >= IA64_NUM_PMD_REGS || pmu_conf->num_pmcs >= IA64_NUM_PMC_REGS) {
+	if (pmu_conf->num_pmds >= PFM_NUM_PMD_REGS || pmu_conf->num_pmcs >= PFM_NUM_PMC_REGS) {
 		printk(KERN_ERR "perfmon: not enough pmc/pmd, perfmon disabled\n");
 		pmu_conf = NULL;
 		return -1;
@@ -6752,7 +6741,6 @@ void
 dump_pmu_state(const char *from)
 {
 	struct task_struct *task;
-	struct thread_struct *t;
 	struct pt_regs *regs;
 	pfm_context_t *ctx;
 	unsigned long psr, dcr, info, flags;
@@ -6797,16 +6785,14 @@ dump_pmu_state(const char *from)
 	ia64_psr(regs)->up = 0;
 	ia64_psr(regs)->pp = 0;
 
-	t = &current->thread;
-
 	for (i=1; PMC_IS_LAST(i) == 0; i++) {
 		if (PMC_IS_IMPL(i) == 0) continue;
-		printk("->CPU%d pmc[%d]=0x%lx thread_pmc[%d]=0x%lx\n", this_cpu, i, ia64_get_pmc(i), i, t->pmcs[i]);
+		printk("->CPU%d pmc[%d]=0x%lx thread_pmc[%d]=0x%lx\n", this_cpu, i, ia64_get_pmc(i), i, ctx->th_pmcs[i]);
 	}
 
 	for (i=1; PMD_IS_LAST(i) == 0; i++) {
 		if (PMD_IS_IMPL(i) == 0) continue;
-		printk("->CPU%d pmd[%d]=0x%lx thread_pmd[%d]=0x%lx\n", this_cpu, i, ia64_get_pmd(i), i, t->pmds[i]);
+		printk("->CPU%d pmd[%d]=0x%lx thread_pmd[%d]=0x%lx\n", this_cpu, i, ia64_get_pmd(i), i, ctx->th_pmds[i]);
 	}
 
 	if (ctx) {
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index 9065f0f01ba3..e63b8ca5344a 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -266,6 +266,7 @@ salinfo_log_wakeup(int type, u8 *buffer, u64 size, int irqsafe)
 /* Check for outstanding MCA/INIT records every minute (arbitrary) */
 #define SALINFO_TIMER_DELAY (60*HZ)
 static struct timer_list salinfo_timer;
+extern void ia64_mlogbuf_dump(void);
 
 static void
 salinfo_timeout_check(struct salinfo_data *data)
@@ -283,6 +284,7 @@ salinfo_timeout_check(struct salinfo_data *data)
 static void
 salinfo_timeout (unsigned long arg)
 {
+	ia64_mlogbuf_dump();
 	salinfo_timeout_check(salinfo_data + SAL_INFO_TYPE_MCA);
 	salinfo_timeout_check(salinfo_data + SAL_INFO_TYPE_INIT);
 	salinfo_timer.expires = jiffies + SALINFO_TIMER_DELAY;
@@ -332,6 +334,8 @@ retry:
 	if (cpu == -1)
 		goto retry;
 
+	ia64_mlogbuf_dump();
+
 	/* for next read, start checking at next CPU */
 	data->cpu_check = cpu;
 	if (++data->cpu_check == NR_CPUS)
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 7ad0d9cc6db6..84f93c0f2c66 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -509,7 +509,7 @@ show_cpuinfo (struct seq_file *m, void *v)
 		{ 1UL << 1, "spontaneous deferral"},
 		{ 1UL << 2, "16-byte atomic ops" }
 	};
-	char family[32], features[128], *cp, sep;
+	char features[128], *cp, sep;
 	struct cpuinfo_ia64 *c = v;
 	unsigned long mask;
 	unsigned long proc_freq;
@@ -517,12 +517,6 @@ show_cpuinfo (struct seq_file *m, void *v)
 
 	mask = c->features;
 
-	switch (c->family) {
-	      case 0x07:	memcpy(family, "Itanium", 8); break;
-	      case 0x1f:	memcpy(family, "Itanium 2", 10); break;
-	      default:		sprintf(family, "%u", c->family); break;
-	}
-
 	/* build the feature string: */
 	memcpy(features, " standard", 10);
 	cp = features;
@@ -553,8 +547,9 @@ show_cpuinfo (struct seq_file *m, void *v)
 		   "processor  : %d\n"
 		   "vendor     : %s\n"
 		   "arch       : IA-64\n"
-		   "family     : %s\n"
+		   "family     : %u\n"
 		   "model      : %u\n"
+		   "model name : %s\n"
 		   "revision   : %u\n"
 		   "archrev    : %u\n"
 		   "features   :%s\n"	/* don't change this---it _is_ right! */
@@ -563,7 +558,8 @@ show_cpuinfo (struct seq_file *m, void *v)
 		   "cpu MHz    : %lu.%06lu\n"
 		   "itc MHz    : %lu.%06lu\n"
 		   "BogoMIPS   : %lu.%02lu\n",
-		   cpunum, c->vendor, family, c->model, c->revision, c->archrev,
+		   cpunum, c->vendor, c->family, c->model,
+		   c->model_name, c->revision, c->archrev,
 		   features, c->ppn, c->number,
 		   proc_freq / 1000, proc_freq % 1000,
 		   c->itc_freq / 1000000, c->itc_freq % 1000000,
@@ -611,6 +607,31 @@ struct seq_operations cpuinfo_op = {
 	.show =		show_cpuinfo
 };
 
+static char brandname[128];
+
+static char * __cpuinit
+get_model_name(__u8 family, __u8 model)
+{
+	char brand[128];
+
+	if (ia64_pal_get_brand_info(brand)) {
+		if (family == 0x7)
+			memcpy(brand, "Merced", 7);
+		else if (family == 0x1f) switch (model) {
+			case 0: memcpy(brand, "McKinley", 9); break;
+			case 1: memcpy(brand, "Madison", 8); break;
+			case 2: memcpy(brand, "Madison up to 9M cache", 23); break;
+		} else
+			memcpy(brand, "Unknown", 8);
+	}
+	if (brandname[0] == '\0')
+		return strcpy(brandname, brand);
+	else if (strcmp(brandname, brand) == 0)
+		return brandname;
+	else
+		return kstrdup(brand, GFP_KERNEL);
+}
+
 static void __cpuinit
 identify_cpu (struct cpuinfo_ia64 *c)
 {
@@ -640,7 +661,6 @@ identify_cpu (struct cpuinfo_ia64 *c)
 	pal_status_t status;
 	unsigned long impl_va_msb = 50, phys_addr_size = 44;	/* Itanium defaults */
 	int i;
-
 	for (i = 0; i < 5; ++i)
 		cpuid.bits[i] = ia64_get_cpuid(i);
 
@@ -663,6 +683,7 @@ identify_cpu (struct cpuinfo_ia64 *c)
 	c->family = cpuid.field.family;
 	c->archrev = cpuid.field.archrev;
 	c->features = cpuid.field.features;
+	c->model_name = get_model_name(c->family, c->model);
 
 	status = ia64_pal_vm_summary(&vm1, &vm2);
 	if (status == PAL_STATUS_SUCCESS) {
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 6203ed4ec8cf..f7d7f5668144 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -879,3 +879,27 @@ identify_siblings(struct cpuinfo_ia64 *c)
 	c->core_id = info.log1_cid;
 	c->thread_id = info.log1_tid;
 }
+
+/*
+ * returns non zero, if multi-threading is enabled
+ * on at least one physical package. Due to hotplug cpu
+ * and (maxcpus=), all threads may not necessarily be enabled
+ * even though the processor supports multi-threading.
+ */
+int is_multithreading_enabled(void)
+{
+	int i, j;
+
+	for_each_present_cpu(i) {
+		for_each_present_cpu(j) {
+			if (j == i)
+				continue;
+			if ((cpu_data(j)->socket_id == cpu_data(i)->socket_id)) {
+				if (cpu_data(j)->core_id == cpu_data(i)->core_id)
+					return 1;
+			}
+		}
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(is_multithreading_enabled);
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index f648c610b10c..5629b45e89c6 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -36,6 +36,7 @@ int arch_register_cpu(int num)
 	 */
 	if (!can_cpei_retarget() && is_cpu_cpei_target(num))
 		sysfs_cpus[num].cpu.no_control = 1;
+	map_cpu_to_node(num, node_cpuid[num].nid);
 #endif
 
 	return register_cpu(&sysfs_cpus[num].cpu, num);
@@ -45,7 +46,8 @@ int arch_register_cpu(int num)
 
 void arch_unregister_cpu(int num)
 {
-	return unregister_cpu(&sysfs_cpus[num].cpu);
+	unregister_cpu(&sysfs_cpus[num].cpu);
+	unmap_cpu_from_node(num, cpu_to_node(num));
 }
 EXPORT_SYMBOL(arch_register_cpu);
 EXPORT_SYMBOL(arch_unregister_cpu);
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index 4c73a6763669..c58e933694d5 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -98,7 +98,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
 
 	/* attempt to allocate a granule's worth of cached memory pages */
 
-	page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO,
+	page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO | GFP_THISNODE,
 				IA64_GRANULE_SHIFT-PAGE_SHIFT);
 	if (!page) {
 		mutex_unlock(&uc_pool->add_chunk_mutex);
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 5b0d5f64a9b1..b3b2e389d6b2 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -184,7 +184,9 @@ SECTIONS
 	  *(.data.gate)
 	  __stop_gate_section = .;
 	}
-  . = ALIGN(PAGE_SIZE);		/* make sure the gate page doesn't expose kernel data */
+  . = ALIGN(PAGE_SIZE);		/* make sure the gate page doesn't expose
+  				 * kernel data
+				 */
 
   .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET)
         { *(.data.read_mostly) }
@@ -202,7 +204,9 @@ SECTIONS
 		*(.data.percpu)
 		__per_cpu_end = .;
 	}
-  . = __phys_per_cpu_start + PERCPU_PAGE_SIZE;	/* ensure percpu data fits into percpu page size */
+  . = __phys_per_cpu_start + PERCPU_PAGE_SIZE;	/* ensure percpu data fits
+  						 * into percpu page size
+						 */
 
   data : { } :data
   .data : AT(ADDR(.data) - LOAD_OFFSET)
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index e004143ba86b..daf977ff2920 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -26,7 +26,6 @@
 #include <asm/mca.h>
 
 #ifdef CONFIG_VIRTUAL_MEM_MAP
-static unsigned long num_dma_physpages;
 static unsigned long max_gap;
 #endif
 
@@ -41,10 +40,11 @@ show_mem (void)
 	int i, total = 0, reserved = 0;
 	int shared = 0, cached = 0;
 
-	printk("Mem-info:\n");
+	printk(KERN_INFO "Mem-info:\n");
 	show_free_areas();
 
-	printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
+	printk(KERN_INFO "Free swap:       %6ldkB\n",
+	       nr_swap_pages<<(PAGE_SHIFT-10));
 	i = max_mapnr;
 	for (i = 0; i < max_mapnr; i++) {
 		if (!pfn_valid(i)) {
@@ -63,12 +63,12 @@ show_mem (void)
 		else if (page_count(mem_map + i))
 			shared += page_count(mem_map + i) - 1;
 	}
-	printk("%d pages of RAM\n", total);
-	printk("%d reserved pages\n", reserved);
-	printk("%d pages shared\n", shared);
-	printk("%d pages swap cached\n", cached);
-	printk("%ld pages in page table cache\n",
-		pgtable_quicklist_total_size());
+	printk(KERN_INFO "%d pages of RAM\n", total);
+	printk(KERN_INFO "%d reserved pages\n", reserved);
+	printk(KERN_INFO "%d pages shared\n", shared);
+	printk(KERN_INFO "%d pages swap cached\n", cached);
+	printk(KERN_INFO "%ld pages in page table cache\n",
+	       pgtable_quicklist_total_size());
 }
 
 /* physical address where the bootmem map is located */
@@ -218,18 +218,6 @@ count_pages (u64 start, u64 end, void *arg)
 	return 0;
 }
 
-#ifdef CONFIG_VIRTUAL_MEM_MAP
-static int
-count_dma_pages (u64 start, u64 end, void *arg)
-{
-	unsigned long *count = arg;
-
-	if (start < MAX_DMA_ADDRESS)
-		*count += (min(end, MAX_DMA_ADDRESS) - start) >> PAGE_SHIFT;
-	return 0;
-}
-#endif
-
 /*
  * Set up the page tables.
  */
@@ -238,45 +226,22 @@ void __init
 paging_init (void)
 {
 	unsigned long max_dma;
-	unsigned long zones_size[MAX_NR_ZONES];
-#ifdef CONFIG_VIRTUAL_MEM_MAP
-	unsigned long zholes_size[MAX_NR_ZONES];
-#endif
-
-	/* initialize mem_map[] */
-
-	memset(zones_size, 0, sizeof(zones_size));
+	unsigned long nid = 0;
+	unsigned long max_zone_pfns[MAX_NR_ZONES];
 
 	num_physpages = 0;
 	efi_memmap_walk(count_pages, &num_physpages);
 
 	max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
+	max_zone_pfns[ZONE_DMA] = max_dma;
+	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
 
 #ifdef CONFIG_VIRTUAL_MEM_MAP
-	memset(zholes_size, 0, sizeof(zholes_size));
-
-	num_dma_physpages = 0;
-	efi_memmap_walk(count_dma_pages, &num_dma_physpages);
-
-	if (max_low_pfn < max_dma) {
-		zones_size[ZONE_DMA] = max_low_pfn;
-		zholes_size[ZONE_DMA] = max_low_pfn - num_dma_physpages;
-	} else {
-		zones_size[ZONE_DMA] = max_dma;
-		zholes_size[ZONE_DMA] = max_dma - num_dma_physpages;
-		if (num_physpages > num_dma_physpages) {
-			zones_size[ZONE_NORMAL] = max_low_pfn - max_dma;
-			zholes_size[ZONE_NORMAL] =
-				((max_low_pfn - max_dma) -
-				 (num_physpages - num_dma_physpages));
-		}
-	}
-
+	efi_memmap_walk(register_active_ranges, &nid);
 	efi_memmap_walk(find_largest_hole, (u64 *)&max_gap);
 	if (max_gap < LARGE_GAP) {
 		vmem_map = (struct page *) 0;
-		free_area_init_node(0, NODE_DATA(0), zones_size, 0,
-				    zholes_size);
+		free_area_init_nodes(max_zone_pfns);
 	} else {
 		unsigned long map_size;
 
@@ -288,20 +253,19 @@ paging_init (void)
 		vmem_map = (struct page *) vmalloc_end;
 		efi_memmap_walk(create_mem_map_page_table, NULL);
 
-		NODE_DATA(0)->node_mem_map = vmem_map;
-		free_area_init_node(0, NODE_DATA(0), zones_size,
-				    0, zholes_size);
+		/*
+		 * alloc_node_mem_map makes an adjustment for mem_map
+		 * which isn't compatible with vmem_map.
+		 */
+		NODE_DATA(0)->node_mem_map = vmem_map +
+			find_min_pfn_with_active_regions();
+		free_area_init_nodes(max_zone_pfns);
 
 		printk("Virtual mem_map starts at 0x%p\n", mem_map);
 	}
 #else /* !CONFIG_VIRTUAL_MEM_MAP */
-	if (max_low_pfn < max_dma)
-		zones_size[ZONE_DMA] = max_low_pfn;
-	else {
-		zones_size[ZONE_DMA] = max_dma;
-		zones_size[ZONE_NORMAL] = max_low_pfn - max_dma;
-	}
-	free_area_init(zones_size);
+	add_active_range(0, 0, max_low_pfn);
+	free_area_init_nodes(max_zone_pfns);
 #endif /* !CONFIG_VIRTUAL_MEM_MAP */
 	zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
 }
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index d260bffa01ab..d497b6b0f5b2 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -547,15 +547,16 @@ void show_mem(void)
 	unsigned long total_present = 0;
 	pg_data_t *pgdat;
 
-	printk("Mem-info:\n");
+	printk(KERN_INFO "Mem-info:\n");
 	show_free_areas();
-	printk("Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
+	printk(KERN_INFO "Free swap:       %6ldkB\n",
+	       nr_swap_pages<<(PAGE_SHIFT-10));
+	printk(KERN_INFO "Node memory in pages:\n");
 	for_each_online_pgdat(pgdat) {
 		unsigned long present;
 		unsigned long flags;
 		int shared = 0, cached = 0, reserved = 0;
 
-		printk("Node ID: %d\n", pgdat->node_id);
 		pgdat_resize_lock(pgdat, &flags);
 		present = pgdat->node_present_pages;
 		for(i = 0; i < pgdat->node_spanned_pages; i++) {
@@ -579,18 +580,17 @@ void show_mem(void)
 		total_reserved += reserved;
 		total_cached += cached;
 		total_shared += shared;
-		printk("\t%ld pages of RAM\n", present);
-		printk("\t%d reserved pages\n", reserved);
-		printk("\t%d pages shared\n", shared);
-		printk("\t%d pages swap cached\n", cached);
+		printk(KERN_INFO "Node %4d:  RAM: %11ld, rsvd: %8d, "
+		       "shrd: %10d, swpd: %10d\n", pgdat->node_id,
+		       present, reserved, shared, cached);
 	}
-	printk("%ld pages of RAM\n", total_present);
-	printk("%d reserved pages\n", total_reserved);
-	printk("%d pages shared\n", total_shared);
-	printk("%d pages swap cached\n", total_cached);
-	printk("Total of %ld pages in page table cache\n",
-		pgtable_quicklist_total_size());
-	printk("%d free buffer pages\n", nr_free_buffer_pages());
+	printk(KERN_INFO "%ld pages of RAM\n", total_present);
+	printk(KERN_INFO "%d reserved pages\n", total_reserved);
+	printk(KERN_INFO "%d pages shared\n", total_shared);
+	printk(KERN_INFO "%d pages swap cached\n", total_cached);
+	printk(KERN_INFO "Total of %ld pages in page table cache\n",
+	       pgtable_quicklist_total_size());
+	printk(KERN_INFO "%d free buffer pages\n", nr_free_buffer_pages());
 }
 
 /**
@@ -654,6 +654,7 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
 {
 	unsigned long end = start + len;
 
+	add_active_range(node, start >> PAGE_SHIFT, end >> PAGE_SHIFT);
 	mem_data[node].num_physpages += len >> PAGE_SHIFT;
 	if (start <= __pa(MAX_DMA_ADDRESS))
 		mem_data[node].num_dma_physpages +=
@@ -678,10 +679,10 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
 void __init paging_init(void)
 {
 	unsigned long max_dma;
-	unsigned long zones_size[MAX_NR_ZONES];
-	unsigned long zholes_size[MAX_NR_ZONES];
 	unsigned long pfn_offset = 0;
+	unsigned long max_pfn = 0;
 	int node;
+	unsigned long max_zone_pfns[MAX_NR_ZONES];
 
 	max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
 
@@ -698,47 +699,20 @@ void __init paging_init(void)
 #endif
 
 	for_each_online_node(node) {
-		memset(zones_size, 0, sizeof(zones_size));
-		memset(zholes_size, 0, sizeof(zholes_size));
-
 		num_physpages += mem_data[node].num_physpages;
-
-		if (mem_data[node].min_pfn >= max_dma) {
-			/* All of this node's memory is above ZONE_DMA */
-			zones_size[ZONE_NORMAL] = mem_data[node].max_pfn -
-				mem_data[node].min_pfn;
-			zholes_size[ZONE_NORMAL] = mem_data[node].max_pfn -
-				mem_data[node].min_pfn -
-				mem_data[node].num_physpages;
-		} else if (mem_data[node].max_pfn < max_dma) {
-			/* All of this node's memory is in ZONE_DMA */
-			zones_size[ZONE_DMA] = mem_data[node].max_pfn -
-				mem_data[node].min_pfn;
-			zholes_size[ZONE_DMA] = mem_data[node].max_pfn -
-				mem_data[node].min_pfn -
-				mem_data[node].num_dma_physpages;
-		} else {
-			/* This node has memory in both zones */
-			zones_size[ZONE_DMA] = max_dma -
-				mem_data[node].min_pfn;
-			zholes_size[ZONE_DMA] = zones_size[ZONE_DMA] -
-				mem_data[node].num_dma_physpages;
-			zones_size[ZONE_NORMAL] = mem_data[node].max_pfn -
-				max_dma;
-			zholes_size[ZONE_NORMAL] = zones_size[ZONE_NORMAL] -
-				(mem_data[node].num_physpages -
-				 mem_data[node].num_dma_physpages);
-		}
-
 		pfn_offset = mem_data[node].min_pfn;
 
 #ifdef CONFIG_VIRTUAL_MEM_MAP
 		NODE_DATA(node)->node_mem_map = vmem_map + pfn_offset;
 #endif
-		free_area_init_node(node, NODE_DATA(node), zones_size,
-				    pfn_offset, zholes_size);
+		if (mem_data[node].max_pfn > max_pfn)
+			max_pfn = mem_data[node].max_pfn;
 	}
 
+	max_zone_pfns[ZONE_DMA] = max_dma;
+	max_zone_pfns[ZONE_NORMAL] = max_pfn;
+	free_area_init_nodes(max_zone_pfns);
+
 	zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
 }
 
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 30617ccb4f7e..ff87a5cba399 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -593,6 +593,18 @@ find_largest_hole (u64 start, u64 end, void *arg)
 	last_end = end;
 	return 0;
 }
+
+int __init
+register_active_ranges(u64 start, u64 end, void *nid)
+{
+	BUG_ON(nid == NULL);
+	BUG_ON(*(unsigned long *)nid >= MAX_NUMNODES);
+
+	add_active_range(*(unsigned long *)nid,
+				__pa(start) >> PAGE_SHIFT,
+				__pa(end) >> PAGE_SHIFT);
+	return 0;
+}
 #endif /* CONFIG_VIRTUAL_MEM_MAP */
 
 static int __init
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 60b45e79f080..15c7c670da39 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -562,7 +562,8 @@ pcibios_enable_device (struct pci_dev *dev, int mask)
 void
 pcibios_disable_device (struct pci_dev *dev)
 {
-	acpi_pci_irq_disable(dev);
+	if (dev->is_enabled)
+		acpi_pci_irq_disable(dev);
 }
 
 void
diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index 27dee4584061..7f73ad4408aa 100644
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -277,8 +277,7 @@ bte_result_t bte_unaligned_copy(u64 src, u64 dest, u64 len, u64 mode)
 	}
 
 	/* temporary buffer used during unaligned transfers */
-	bteBlock_unaligned = kmalloc(len + 3 * L1_CACHE_BYTES,
-				     GFP_KERNEL | GFP_DMA);
+	bteBlock_unaligned = kmalloc(len + 3 * L1_CACHE_BYTES, GFP_KERNEL);
 	if (bteBlock_unaligned == NULL) {
 		return BTEFAIL_NOTAVAIL;
 	}
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 9a8a29339d2d..b632b9c1e3b3 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -32,9 +32,10 @@
 #include <linux/cpumask.h>
 #include <linux/smp_lock.h>
 #include <linux/nodemask.h>
+#include <linux/smp.h>
+
 #include <asm/processor.h>
 #include <asm/topology.h>
-#include <asm/smp.h>
 #include <asm/semaphore.h>
 #include <asm/uaccess.h>
 #include <asm/sal.h>
diff --git a/arch/m32r/mm/init.c b/arch/m32r/mm/init.c
index b71348fec1f4..bbd97c85bc5d 100644
--- a/arch/m32r/mm/init.c
+++ b/arch/m32r/mm/init.c
@@ -100,7 +100,7 @@ void free_initrd_mem(unsigned long, unsigned long);
 #ifndef CONFIG_DISCONTIGMEM
 unsigned long __init zone_sizes_init(void)
 {
-	unsigned long  zones_size[MAX_NR_ZONES] = {0, 0, 0};
+	unsigned long  zones_size[MAX_NR_ZONES] = {0, };
 	unsigned long  max_dma;
 	unsigned long  low;
 	unsigned long  start_pfn;
diff --git a/arch/m68knommu/mm/init.c b/arch/m68knommu/mm/init.c
index e4c233eef195..06e538d1be3a 100644
--- a/arch/m68knommu/mm/init.c
+++ b/arch/m68knommu/mm/init.c
@@ -136,7 +136,7 @@ void paging_init(void)
 #endif
 
 	{
-		unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+		unsigned long zones_size[MAX_NR_ZONES] = {0, };
 
 		zones_size[ZONE_DMA] = 0 >> PAGE_SHIFT;
 		zones_size[ZONE_NORMAL] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT;
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 330f6abc7703..30750c54bdf5 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -126,7 +126,7 @@ config BASLER_EXCITE
 	select IRQ_CPU
 	select IRQ_CPU_RM7K
 	select IRQ_CPU_RM9K
-	select SERIAL_RM9000
+	select MIPS_RM9122
 	select SYS_HAS_CPU_RM9000
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
@@ -203,26 +203,6 @@ config MIPS_EV64120
 	  <http://www.marvell.com/>.  Say Y here if you wish to build a
 	  kernel for this platform.
 
-config MIPS_EV96100
-	bool "Galileo EV96100 Evaluation board (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
-	select DMA_NONCOHERENT
-	select HW_HAS_PCI
-	select IRQ_CPU
-	select MIPS_GT96100
-	select RM7000_CPU_SCACHE
-	select SWAP_IO_SPACE
-	select SYS_HAS_CPU_R5000
-	select SYS_HAS_CPU_RM7000
-	select SYS_SUPPORTS_32BIT_KERNEL
-	select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
-	select SYS_SUPPORTS_BIG_ENDIAN
-	help
-	  This is an evaluation board based on the Galileo GT-96100 LAN/WAN
-	  communications controllers containing a MIPS R5000 compatible core
-	  running at 83MHz. Their website is <http://www.marvell.com/>. Say Y
-	  here if you wish to build a kernel for this platform.
-
 config MIPS_IVR
 	bool "Globespan IVR board"
 	select DMA_NONCOHERENT
@@ -974,6 +954,12 @@ config MIPS_TX3927
 	bool
 	select HAS_TXX9_SERIAL
 
+config MIPS_RM9122
+	bool
+	select SERIAL_RM9000
+	select GPI_RM9000
+	select WDT_RM9000
+
 config PCI_MARVELL
 	bool
 
@@ -1024,6 +1010,15 @@ config EMMA2RH
 	depends on MARKEINS
 	default y
 
+config SERIAL_RM9000
+	bool
+
+config GPI_RM9000
+	bool
+
+config WDT_RM9000
+	bool
+
 #
 # Unfortunately not all GT64120 systems run the chip at the same clock.
 # As the user for the clock rate and try to minimize the available options.
@@ -1054,10 +1049,6 @@ config AU1X00_USB_DEVICE
 	depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000
 	default n
 
-config MIPS_GT96100
-	bool
-	select MIPS_GT64120
-
 config IT8172_CIR
 	bool
 	depends on MIPS_ITE8172 || MIPS_IVR
@@ -1527,6 +1518,7 @@ config MIPS_MT_SMTC
 	select CPU_MIPSR2_SRS
 	select MIPS_MT
 	select SMP
+	select SYS_SUPPORTS_SMP
 	help
 	  This is a kernel model which is known a SMTC or lately has been
 	  marketesed into SMVP.
@@ -1538,6 +1530,7 @@ config MIPS_MT_SMP
 	select CPU_MIPSR2_SRS
 	select MIPS_MT
 	select SMP
+	select SYS_SUPPORTS_SMP
 	help
 	  This is a kernel model which is also known a VSMP or lately
 	  has been marketesed into SMVP.
@@ -1649,9 +1642,7 @@ config GENERIC_IRQ_PROBE
 	default y
 
 config IRQ_PER_CPU
-	depends on SMP
 	bool
-	default y
 
 #
 # - Highmem only makes sense for the 32-bit kernel.
@@ -1719,6 +1710,7 @@ source "mm/Kconfig"
 config SMP
 	bool "Multi-Processing support"
 	depends on SYS_SUPPORTS_SMP
+	select IRQ_PER_CPU
 	help
 	  This enables support for systems with more than one CPU. If you have
 	  a system with only one CPU, like most personal computers, say N. If
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index d333ce4ba26b..e521826b4234 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -280,13 +280,6 @@ cflags-$(CONFIG_MIPS_EV64120)	+= -Iinclude/asm-mips/mach-ev64120
 load-$(CONFIG_MIPS_EV64120)	+= 0xffffffff80100000
 
 #
-# Galileo EV96100 Board
-#
-core-$(CONFIG_MIPS_EV96100)	+= arch/mips/galileo-boards/ev96100/
-cflags-$(CONFIG_MIPS_EV96100)	+= -Iinclude/asm-mips/mach-ev96100
-load-$(CONFIG_MIPS_EV96100)	+= 0xffffffff80100000
-
-#
 # Wind River PPMC Board (4KC + GT64120)
 #
 core-$(CONFIG_WR_PPMC)		+= arch/mips/gt64120/wrppmc/
@@ -330,6 +323,7 @@ load-$(CONFIG_MIPS_MALTA)	+= 0xffffffff80100000
 # MIPS SEAD board
 #
 core-$(CONFIG_MIPS_SEAD)	+= arch/mips/mips-boards/sead/
+cflags-$(CONFIG_MIPS_SEAD)	+= -Iinclude/asm-mips/mach-mips
 load-$(CONFIG_MIPS_SEAD)	+= 0xffffffff80100000
 
 #
diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c
index 98244d51c154..c4fae8ff4671 100644
--- a/arch/mips/au1000/common/dbdma.c
+++ b/arch/mips/au1000/common/dbdma.c
@@ -230,7 +230,7 @@ EXPORT_SYMBOL(au1xxx_ddma_add_device);
 */
 u32
 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
-       void (*callback)(int, void *, struct pt_regs *), void *callparam)
+       void (*callback)(int, void *), void *callparam)
 {
 	unsigned long   flags;
 	u32		used, chan, rv;
@@ -248,8 +248,10 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
 		au1xxx_dbdma_init();
 	dbdma_initialized = 1;
 
-	if ((stp = find_dbdev_id(srcid)) == NULL) return 0;
-	if ((dtp = find_dbdev_id(destid)) == NULL) return 0;
+	if ((stp = find_dbdev_id(srcid)) == NULL)
+		return 0;
+	if ((dtp = find_dbdev_id(destid)) == NULL)
+		return 0;
 
 	used = 0;
 	rv = 0;
@@ -869,7 +871,7 @@ dbdma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	au_sync();
 
 	if (ctp->chan_callback)
-		(ctp->chan_callback)(irq, ctp->chan_callparam, regs);
+		(ctp->chan_callback)(irq, ctp->chan_callparam);
 
 	ctp->cur_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
 	return IRQ_RETVAL(1);
diff --git a/arch/mips/au1000/db1x00/Makefile b/arch/mips/au1000/db1x00/Makefile
index 4c7d763f2113..51d62bd5d900 100644
--- a/arch/mips/au1000/db1x00/Makefile
+++ b/arch/mips/au1000/db1x00/Makefile
@@ -6,4 +6,3 @@
 # Makefile for the Alchemy Semiconductor Db1x00 board.
 
 lib-y := init.o board_setup.o irqmap.o
-obj-$(CONFIG_WM97XX_COMODULE) += mirage_ts.o
diff --git a/arch/mips/au1000/db1x00/mirage_ts.c b/arch/mips/au1000/db1x00/mirage_ts.c
deleted file mode 100644
index 0942dcf69518..000000000000
--- a/arch/mips/au1000/db1x00/mirage_ts.c
+++ /dev/null
@@ -1,260 +0,0 @@
-/*
- * linux/arch/mips/au1000/db1x00/mirage_ts.c
- *
- * BRIEF MODULE DESCRIPTION
- *	Glue between Mirage board-specific touchscreen pieces
- *	and generic Wolfson Codec touchscreen support.
- *
- *	Based on pb1100_ts.c used in Hydrogen II.
- *
- * Copyright (c) 2003 Embedded Edge, LLC
- *		dan@embeddededge.com
- *
- *  This program is free software; you can redistribute	 it and/or modify it
- *  under  the terms of	 the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the	License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED	  ``AS	IS'' AND   ANY	EXPRESS OR IMPLIED
- *  WARRANTIES,	  INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO	EVENT  SHALL   THE AUTHOR  BE	 LIABLE FOR ANY	  DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED	  TO, PROCUREMENT OF  SUBSTITUTE GOODS	OR SERVICES; LOSS OF
- *  USE, DATA,	OR PROFITS; OR	BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN	 CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/types.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/poll.h>
-#include <linux/proc_fs.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/wait.h>
-
-#include <asm/segment.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/delay.h>
-#include <asm/au1000.h>
-
-/*
- *  Imported interface to Wolfson Codec driver.
- */
-extern void *wm97xx_ts_get_handle(int which);
-extern int wm97xx_ts_ready(void* ts_handle);
-extern void wm97xx_ts_set_cal(void* ts_handle, int xscale, int xtrans, int yscale, int ytrans);
-extern u16 wm97xx_ts_get_ac97(void* ts_handle, u8 reg);
-extern void wm97xx_ts_set_ac97(void* ts_handle, u8 reg, u16 val);
-extern int wm97xx_ts_read_data(void* ts_handle, long* x, long* y, long* pressure);
-extern void wm97xx_ts_send_data(void* ts_handle, long x, long y, long z);
-
-int wm97xx_comodule_present = 1;
-
-
-#define TS_NAME "mirage_ts"
-
-#define err(format, arg...) printk(KERN_ERR TS_NAME ": " format "\n" , ## arg)
-#define info(format, arg...) printk(KERN_INFO TS_NAME ": " format "\n" , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING TS_NAME ": " format "\n" , ## arg)
-#define DPRINTK(format, arg...) printk("%s: " format "\n", __FUNCTION__ , ## arg)
-
-
-#define PEN_DOWN_IRQ	AU1000_GPIO_7
-
-static struct task_struct *ts_task = 0;
-static DECLARE_COMPLETION(ts_complete);
-static DECLARE_WAIT_QUEUE_HEAD(pendown_wait);
-
-#ifdef CONFIG_WM97XX_FIVEWIRETS
-static int release_pressure = 1;
-#else
-static int release_pressure = 50;
-#endif
-
-typedef struct {
-   long x;
-   long y;
-} DOWN_EVENT;
-
-#define SAMPLE_RATE	50	/* samples per second */
-#define PEN_DEBOUNCE	5	/* samples for settling - fn of SAMPLE_RATE */
-#define PEN_UP_TIMEOUT	10	/* in seconds */
-#define PEN_UP_SETTLE	5	/* samples per second */
-
-static struct {
-	int xscale;
-	int xtrans;
-	int yscale;
-	int ytrans;
-} mirage_ts_cal =
-{
-#if 0
-	.xscale   = 84,
-	.xtrans = -157,
-	.yscale   = 66,
-	.ytrans = -150,
-#else
-	.xscale   = 84,
-	.xtrans = -150,
-	.yscale   = 66,
-	.ytrans = -146,
-#endif
-};
-
-
-static void pendown_irq(int irqnr, void *devid, struct pt_regs *regs)
-{
-//DPRINTK("got one 0x%x", au_readl(SYS_PINSTATERD));
-	wake_up(&pendown_wait);
-}
-
-static int ts_thread(void *id)
-{
-	static int pen_was_down = 0;
-	static DOWN_EVENT pen_xy;
-	long x, y, z;
-	void *ts;	/* handle */
-	struct task_struct *tsk = current;
-	int timeout = HZ / SAMPLE_RATE;
-
-	ts_task = tsk;
-
-	daemonize();
-	tsk->tty = NULL;
-	tsk->policy = SCHED_FIFO;
-	tsk->rt_priority = 1;
-	strcpy(tsk->comm, "touchscreen");
-
-	/* only want to receive SIGKILL */
-	spin_lock_irq(&tsk->sigmask_lock);
-	siginitsetinv(&tsk->blocked, sigmask(SIGKILL));
-	recalc_sigpending(tsk);
-	spin_unlock_irq(&tsk->sigmask_lock);
-
-	/* get handle for codec */
-	ts = wm97xx_ts_get_handle(0);
-
-	/* proceed only after everybody is ready */
-	wait_event_timeout(pendown_wait, wm97xx_ts_ready(ts), HZ/4);
-
-	/* board-specific calibration */
-	wm97xx_ts_set_cal(ts,
-			mirage_ts_cal.xscale,
-			mirage_ts_cal.xtrans,
-			mirage_ts_cal.yscale,
-			mirage_ts_cal.ytrans);
-
-	/* route Wolfson pendown interrupts to our GPIO */
-	au_sync();
-	wm97xx_ts_set_ac97(ts, 0x4c, wm97xx_ts_get_ac97(ts, 0x4c) & ~0x0008);
-	au_sync();
-	wm97xx_ts_set_ac97(ts, 0x56, wm97xx_ts_get_ac97(ts, 0x56) & ~0x0008);
-	au_sync();
-	wm97xx_ts_set_ac97(ts, 0x52, wm97xx_ts_get_ac97(ts, 0x52) | 0x2008);
-	au_sync();
-
-	for (;;) {
-		interruptible_sleep_on_timeout(&pendown_wait, timeout);
-		disable_irq(PEN_DOWN_IRQ);
-		if (signal_pending(tsk)) {
-			break;
-		}
-
-		/* read codec */
-		if (!wm97xx_ts_read_data(ts, &x, &y, &z))
-			z = 0;	/* treat no-data and pen-up the same */
-
-		if (signal_pending(tsk)) {
-			break;
-		}
-
-		if (z >= release_pressure) {
-			y = ~y;	/* top to bottom */
-			if (pen_was_down > 1 /*&& pen_was_down < PEN_DEBOUNCE*/) {//THXXX
-				/* bounce ? */
-				x = pen_xy.x;
-				y = pen_xy.y;
-				--pen_was_down;
-			} else if (pen_was_down <= 1) {
-				pen_xy.x = x;
-				pen_xy.y = y;
-				if (pen_was_down)
-					wm97xx_ts_send_data(ts, x, y, z);
-				pen_was_down = PEN_DEBOUNCE;
-			}
-			//wm97xx_ts_send_data(ts, x, y, z);
-			timeout = HZ / SAMPLE_RATE;
-		} else {
-			if (pen_was_down) {
-				if (--pen_was_down)
-					z = release_pressure;
-				else //THXXX
-				wm97xx_ts_send_data(ts, pen_xy.x, pen_xy.y, z);
-			}
-			/* The pendown signal takes some time to settle after
-			 * reading the pen pressure so wait a little
-			 * before enabling the pen.
-			 */
-			if (! pen_was_down) {
-//				interruptible_sleep_on_timeout(&pendown_wait, HZ / PEN_UP_SETTLE);
-				timeout = HZ * PEN_UP_TIMEOUT;
-			}
-		}
-		enable_irq(PEN_DOWN_IRQ);
-	}
-	enable_irq(PEN_DOWN_IRQ);
-	ts_task = NULL;
-	complete(&ts_complete);
-	return 0;
-}
-
-static int __init ts_mirage_init(void)
-{
-	int ret;
-
-	/* pen down signal is connected to GPIO 7 */
-
-	ret = request_irq(PEN_DOWN_IRQ, pendown_irq, 0, "ts-pendown", NULL);
-	if (ret) {
-		err("unable to get pendown irq%d: [%d]", PEN_DOWN_IRQ, ret);
-		return ret;
-	}
-
-	lock_kernel();
-	ret = kernel_thread(ts_thread, NULL, CLONE_FS | CLONE_FILES);
-	if (ret < 0) {
-		unlock_kernel();
-		return ret;
-	}
-	unlock_kernel();
-
-	info("Mirage touchscreen IRQ initialized.");
-
-	return 0;
-}
-
-static void __exit ts_mirage_exit(void)
-{
-	if (ts_task) {
-		send_sig(SIGKILL, ts_task, 1);
-		wait_for_completion(&ts_complete);
-	}
-
-	free_irq(PEN_DOWN_IRQ, NULL);
-}
-
-module_init(ts_mirage_init);
-module_exit(ts_mirage_exit);
-
diff --git a/arch/mips/basler/excite/excite_device.c b/arch/mips/basler/excite/excite_device.c
index bbb4ea43da88..cc1ce77eab4a 100644
--- a/arch/mips/basler/excite/excite_device.c
+++ b/arch/mips/basler/excite/excite_device.c
@@ -68,7 +68,7 @@ enum {
 
 
 static struct resource
-	excite_ctr_resource = {
+	excite_ctr_resource __attribute__((unused)) = {
 		.name		= "GPI counters",
 		.start		= 0,
 		.end		= 5,
@@ -77,7 +77,7 @@ static struct resource
 		.sibling	= NULL,
 		.child		= NULL
 	},
-	excite_gpislice_resource = {
+	excite_gpislice_resource __attribute__((unused)) = {
 		.name		= "GPI slices",
 		.start		= 0,
 		.end		= 1,
@@ -86,7 +86,7 @@ static struct resource
 		.sibling	= NULL,
 		.child		= NULL
 	},
-	excite_mdio_channel_resource = {
+	excite_mdio_channel_resource __attribute__((unused)) = {
 		.name		= "MDIO channels",
 		.start		= 0,
 		.end		= 1,
@@ -95,7 +95,7 @@ static struct resource
 		.sibling	= NULL,
 		.child		= NULL
 	},
-	excite_fifomem_resource = {
+	excite_fifomem_resource __attribute__((unused)) = {
 		.name		= "FIFO memory",
 		.start		= 0,
 		.end		= 767,
@@ -104,7 +104,7 @@ static struct resource
 		.sibling	= NULL,
 		.child		= NULL
 	},
-	excite_scram_resource = {
+	excite_scram_resource __attribute__((unused)) = {
 		.name		= "Scratch RAM",
 		.start		= EXCITE_PHYS_SCRAM,
 		.end		= EXCITE_PHYS_SCRAM + EXCITE_SIZE_SCRAM - 1,
@@ -113,7 +113,7 @@ static struct resource
 		.sibling	= NULL,
 		.child		= NULL
 	},
-	excite_fpga_resource = {
+	excite_fpga_resource __attribute__((unused)) = {
 		.name		= "System FPGA",
 		.start		= EXCITE_PHYS_FPGA,
 		.end		= EXCITE_PHYS_FPGA + EXCITE_SIZE_FPGA - 1,
@@ -122,7 +122,7 @@ static struct resource
 		.sibling	= NULL,
 		.child		= NULL
 	},
-	excite_nand_resource = {
+	excite_nand_resource __attribute__((unused)) = {
 		.name		= "NAND flash control",
 		.start		= EXCITE_PHYS_NAND,
 		.end		= EXCITE_PHYS_NAND + EXCITE_SIZE_NAND - 1,
@@ -131,7 +131,7 @@ static struct resource
 		.sibling	= NULL,
 		.child		= NULL
 	},
-	excite_titan_resource = {
+	excite_titan_resource __attribute__((unused)) = {
 		.name		= "TITAN registers",
 		.start		= EXCITE_PHYS_TITAN,
 		.end		= EXCITE_PHYS_TITAN + EXCITE_SIZE_TITAN - 1,
diff --git a/arch/mips/basler/excite/excite_fpga.h b/arch/mips/basler/excite/excite_fpga.h
deleted file mode 100644
index 38fcda703a0b..000000000000
--- a/arch/mips/basler/excite/excite_fpga.h
+++ /dev/null
@@ -1,80 +0,0 @@
-#ifndef EXCITE_FPGA_H_INCLUDED
-#define EXCITE_FPGA_H_INCLUDED
-
-
-/**
- * Adress alignment of the individual FPGA bytes.
- * The address arrangement of the individual bytes of the FPGA is two
- * byte aligned at the embedded MK2 platform.
- */
-#ifdef EXCITE_CCI_FPGA_MK2
-typedef unsigned char excite_cci_fpga_align_t __attribute__ ((aligned(2)));
-#else
-typedef unsigned char excite_cci_fpga_align_t;
-#endif
-
-
-/**
- * Size of Dual Ported RAM.
- */
-#define EXCITE_DPR_SIZE 263
-
-
-/**
- * Size of Reserved Status Fields in Dual Ported RAM.
- */
-#define EXCITE_DPR_STATUS_SIZE 7
-
-
-
-/**
- * FPGA.
- * Hardware register layout of the FPGA interface. The FPGA must accessed
- * byte wise solely.
- * @see EXCITE_CCI_DPR_MK2
- */
-typedef struct excite_fpga {
-
-	/**
-	 * Dual Ported RAM.
-	 */
-	excite_cci_fpga_align_t dpr[EXCITE_DPR_SIZE];
-
-	/**
-	 * Status.
-	 */
-	excite_cci_fpga_align_t status[EXCITE_DPR_STATUS_SIZE];
-
-#ifdef EXCITE_CCI_FPGA_MK2
-	/**
-	 * RM9000 Interrupt.
-	 * Write access initiates interrupt at the RM9000 (MIPS) processor of the eXcite.
-	 */
-	excite_cci_fpga_align_t rm9k_int;
-#else
-	/**
-	 * MK2 Interrupt.
-	 * Write access initiates interrupt at the ARM processor of the MK2.
-	 */
-	excite_cci_fpga_align_t mk2_int;
-
-	excite_cci_fpga_align_t gap[0x1000-0x10f];
-
-	/**
-	 * IRQ Source/Acknowledge.
-	 */
-	excite_cci_fpga_align_t rm9k_irq_src;
-
-	/**
-	 * IRQ Mask.
-	 * Set bits enable the related interrupt.
-	 */
-	excite_cci_fpga_align_t rm9k_irq_mask;
-#endif
-
-
-} excite_fpga;
-
-
-
-#endif	/* ndef EXCITE_FPGA_H_INCLUDED */
diff --git a/arch/mips/configs/atlas_defconfig b/arch/mips/configs/atlas_defconfig
index 54274065e9a5..d3705284de39 100644
--- a/arch/mips/configs/atlas_defconfig
+++ b/arch/mips/configs/atlas_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -1193,7 +1192,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/configs/bigsur_defconfig b/arch/mips/configs/bigsur_defconfig
index 887fd959482a..e12a475dcbf4 100644
--- a/arch/mips/configs/bigsur_defconfig
+++ b/arch/mips/configs/bigsur_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/capcella_defconfig b/arch/mips/configs/capcella_defconfig
index a01344f3a4c2..bfade9abb767 100644
--- a/arch/mips/configs/capcella_defconfig
+++ b/arch/mips/configs/capcella_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/cobalt_defconfig b/arch/mips/configs/cobalt_defconfig
index c95682445a28..4baf2ff1128a 100644
--- a/arch/mips/configs/cobalt_defconfig
+++ b/arch/mips/configs/cobalt_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 CONFIG_MIPS_COBALT=y
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -828,7 +827,7 @@ CONFIG_FUSE_FS=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/configs/db1000_defconfig b/arch/mips/configs/db1000_defconfig
index c2f33d3af62c..93cca1585bc3 100644
--- a/arch/mips/configs/db1000_defconfig
+++ b/arch/mips/configs/db1000_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS_DB1000=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/db1100_defconfig b/arch/mips/configs/db1100_defconfig
index 8c44d16ae9a2..ffd99252a837 100644
--- a/arch/mips/configs/db1100_defconfig
+++ b/arch/mips/configs/db1100_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS_DB1100=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/db1200_defconfig b/arch/mips/configs/db1200_defconfig
index c13768e75ac5..63eac5e89b9c 100644
--- a/arch/mips/configs/db1200_defconfig
+++ b/arch/mips/configs/db1200_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS_DB1200=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/db1500_defconfig b/arch/mips/configs/db1500_defconfig
index 8aea73fae7fb..25a095f7dc4e 100644
--- a/arch/mips/configs/db1500_defconfig
+++ b/arch/mips/configs/db1500_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS_DB1500=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/db1550_defconfig b/arch/mips/configs/db1550_defconfig
index 90ccb7359630..dda469c842b3 100644
--- a/arch/mips/configs/db1550_defconfig
+++ b/arch/mips/configs/db1550_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS_DB1550=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/ddb5477_defconfig b/arch/mips/configs/ddb5477_defconfig
index b598cf08f156..fcd3dd19bc74 100644
--- a/arch/mips/configs/ddb5477_defconfig
+++ b/arch/mips/configs/ddb5477_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/decstation_defconfig b/arch/mips/configs/decstation_defconfig
index 597150b14077..8683e0df12e0 100644
--- a/arch/mips/configs/decstation_defconfig
+++ b/arch/mips/configs/decstation_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 CONFIG_MACH_DECSTATION=y
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/e55_defconfig b/arch/mips/configs/e55_defconfig
index fa2996bb4b7c..4ace61c95778 100644
--- a/arch/mips/configs/e55_defconfig
+++ b/arch/mips/configs/e55_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-rc1
-# Thu Jul  6 10:04:02 2006
+# Linux kernel version: 2.6.18-rc2
+# Tue Jul 25 23:15:03 2006
 #
 CONFIG_MIPS=y
 
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -227,7 +226,6 @@ CONFIG_MMU=y
 #
 # PCCARD (PCMCIA/CardBus) support
 #
-# CONFIG_PCCARD is not set
 
 #
 # PCI Hotplug Support
@@ -254,7 +252,6 @@ CONFIG_TRAD_SIGNALS=y
 #
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
-# CONFIG_FW_LOADER is not set
 # CONFIG_SYS_HYPERVISOR is not set
 
 #
@@ -284,6 +281,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_BLK_DEV_RAM=m
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 # CONFIG_BLK_DEV_INITRD is not set
 # CONFIG_CDROM_PKTCDVD is not set
 
@@ -643,6 +641,7 @@ CONFIG_MSDOS_PARTITION=y
 #
 # Kernel hacking
 #
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
@@ -650,7 +649,7 @@ CONFIG_MSDOS_PARTITION=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_DEBUG_FS is not set
 CONFIG_CROSSCOMPILE=y
-CONFIG_CMDLINE="console=ttyVR0,19200 mem=8M"
+CONFIG_CMDLINE="console=ttyVR0,19200 ide0=0x1f0,0x3f6,40 mem=8M"
 
 #
 # Security options
diff --git a/arch/mips/configs/emma2rh_defconfig b/arch/mips/configs/emma2rh_defconfig
index 375b2ac24a49..5847c916c130 100644
--- a/arch/mips/configs/emma2rh_defconfig
+++ b/arch/mips/configs/emma2rh_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/ev64120_defconfig b/arch/mips/configs/ev64120_defconfig
index b0afc118bd5c..bc4c4f125c48 100644
--- a/arch/mips/configs/ev64120_defconfig
+++ b/arch/mips/configs/ev64120_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 CONFIG_MIPS_EV64120=y
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/excite_defconfig b/arch/mips/configs/excite_defconfig
index 045ebd089893..eb87cbbfd037 100644
--- a/arch/mips/configs/excite_defconfig
+++ b/arch/mips/configs/excite_defconfig
@@ -26,7 +26,6 @@ CONFIG_BASLER_EXCITE=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/ip22_defconfig b/arch/mips/configs/ip22_defconfig
index ef16d1fb5071..cc9b24eda9e8 100644
--- a/arch/mips/configs/ip22_defconfig
+++ b/arch/mips/configs/ip22_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -1013,7 +1012,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
index 4bf1ee7f5f00..50092ba8aa71 100644
--- a/arch/mips/configs/ip27_defconfig
+++ b/arch/mips/configs/ip27_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -900,7 +899,7 @@ CONFIG_FUSE_FS=m
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/configs/ip32_defconfig b/arch/mips/configs/ip32_defconfig
index f83dc09c3ca9..dec2ba6ba03f 100644
--- a/arch/mips/configs/ip32_defconfig
+++ b/arch/mips/configs/ip32_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/it8172_defconfig b/arch/mips/configs/it8172_defconfig
index a91d72a9ca86..37f9dd7187b1 100644
--- a/arch/mips/configs/it8172_defconfig
+++ b/arch/mips/configs/it8172_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 CONFIG_MIPS_ITE8172=y
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/ivr_defconfig b/arch/mips/configs/ivr_defconfig
index cebc67212d06..18874a4c24fe 100644
--- a/arch/mips/configs/ivr_defconfig
+++ b/arch/mips/configs/ivr_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 CONFIG_MIPS_IVR=y
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/jaguar-atx_defconfig b/arch/mips/configs/jaguar-atx_defconfig
index 5d9eb11aba3d..9f1e3048d623 100644
--- a/arch/mips/configs/jaguar-atx_defconfig
+++ b/arch/mips/configs/jaguar-atx_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -731,7 +730,7 @@ CONFIG_FUSE_FS=m
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 
diff --git a/arch/mips/configs/jmr3927_defconfig b/arch/mips/configs/jmr3927_defconfig
index be45a9044d06..fded3f73815f 100644
--- a/arch/mips/configs/jmr3927_defconfig
+++ b/arch/mips/configs/jmr3927_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/lasat200_defconfig b/arch/mips/configs/lasat200_defconfig
index 64dc9f45a19c..320b8cdd6e58 100644
--- a/arch/mips/configs/lasat200_defconfig
+++ b/arch/mips/configs/lasat200_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -905,7 +904,7 @@ CONFIG_FUSE_FS=m
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index 2690baf15a85..0ba1ef5048fb 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -1230,7 +1229,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/configs/mipssim_defconfig b/arch/mips/configs/mipssim_defconfig
index c298979c18ae..adbeeadddb8f 100644
--- a/arch/mips/configs/mipssim_defconfig
+++ b/arch/mips/configs/mipssim_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/mpc30x_defconfig b/arch/mips/configs/mpc30x_defconfig
index 938b38ab5239..79fd544fcb2a 100644
--- a/arch/mips/configs/mpc30x_defconfig
+++ b/arch/mips/configs/mpc30x_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-rc1
-# Thu Jul  6 10:04:15 2006
+# Linux kernel version: 2.6.18-rc2
+# Tue Jul 25 23:16:46 2006
 #
 CONFIG_MIPS=y
 
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -71,7 +70,6 @@ CONFIG_MACH_VR41XX=y
 CONFIG_VICTOR_MPC30X=y
 # CONFIG_ZAO_CAPCELLA is not set
 CONFIG_PCI_VR41XX=y
-CONFIG_VRC4173=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
@@ -168,6 +166,7 @@ CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
@@ -841,7 +840,7 @@ CONFIG_USB_PEGASUS=m
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
 # CONFIG_USB_LED is not set
-# CONFIG_USB_CY7C63 is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
 # CONFIG_USB_PHIDGETKIT is not set
 # CONFIG_USB_PHIDGETSERVO is not set
@@ -982,7 +981,6 @@ CONFIG_SUNRPC=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
 # CONFIG_CIFS is not set
-# CONFIG_CIFS_DEBUG2 is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
@@ -1007,6 +1005,7 @@ CONFIG_MSDOS_PARTITION=y
 #
 # Kernel hacking
 #
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
@@ -1014,7 +1013,7 @@ CONFIG_MSDOS_PARTITION=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_DEBUG_FS is not set
 CONFIG_CROSSCOMPILE=y
-CONFIG_CMDLINE="mem=32M console=ttyVR0,19200"
+CONFIG_CMDLINE="mem=32M console=ttyVR0,19200 ide0=0x170,0x376,73"
 
 #
 # Security options
diff --git a/arch/mips/configs/ocelot_3_defconfig b/arch/mips/configs/ocelot_3_defconfig
index ec5758f22676..4d87da2b99fd 100644
--- a/arch/mips/configs/ocelot_3_defconfig
+++ b/arch/mips/configs/ocelot_3_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/ocelot_c_defconfig b/arch/mips/configs/ocelot_c_defconfig
index 0d33d87de1a1..a7ac2b0a8273 100644
--- a/arch/mips/configs/ocelot_c_defconfig
+++ b/arch/mips/configs/ocelot_c_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -774,7 +773,7 @@ CONFIG_FUSE_FS=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/configs/ocelot_defconfig b/arch/mips/configs/ocelot_defconfig
index 4b999102715e..853e7bba5122 100644
--- a/arch/mips/configs/ocelot_defconfig
+++ b/arch/mips/configs/ocelot_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -723,7 +722,7 @@ CONFIG_FUSE_FS=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/configs/ocelot_g_defconfig b/arch/mips/configs/ocelot_g_defconfig
index 827b344f6010..8524efa23a49 100644
--- a/arch/mips/configs/ocelot_g_defconfig
+++ b/arch/mips/configs/ocelot_g_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -777,7 +776,7 @@ CONFIG_FUSE_FS=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/configs/pb1100_defconfig b/arch/mips/configs/pb1100_defconfig
index 9ed60fef69e0..1a16e92900cb 100644
--- a/arch/mips/configs/pb1100_defconfig
+++ b/arch/mips/configs/pb1100_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS_PB1100=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/pb1500_defconfig b/arch/mips/configs/pb1500_defconfig
index 6774254b1be6..9ea8edea6f29 100644
--- a/arch/mips/configs/pb1500_defconfig
+++ b/arch/mips/configs/pb1500_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS_PB1500=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/pb1550_defconfig b/arch/mips/configs/pb1550_defconfig
index 1afe5bf6e765..c4a158976f8f 100644
--- a/arch/mips/configs/pb1550_defconfig
+++ b/arch/mips/configs/pb1550_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS_PB1550=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/pnx8550-jbs_defconfig b/arch/mips/configs/pnx8550-jbs_defconfig
index ac616c82d348..1cbf270c301c 100644
--- a/arch/mips/configs/pnx8550-jbs_defconfig
+++ b/arch/mips/configs/pnx8550-jbs_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/pnx8550-v2pci_defconfig b/arch/mips/configs/pnx8550-v2pci_defconfig
index a8eb51bae3f3..bec30b15b9bd 100644
--- a/arch/mips/configs/pnx8550-v2pci_defconfig
+++ b/arch/mips/configs/pnx8550-v2pci_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/qemu_defconfig b/arch/mips/configs/qemu_defconfig
index 6a63a113b7ea..f5f799e93707 100644
--- a/arch/mips/configs/qemu_defconfig
+++ b/arch/mips/configs/qemu_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -687,7 +686,7 @@ CONFIG_FUSE_FS=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 
diff --git a/arch/mips/configs/rbhma4500_defconfig b/arch/mips/configs/rbhma4500_defconfig
index 6779f449bd2d..2f5650227ba3 100644
--- a/arch/mips/configs/rbhma4500_defconfig
+++ b/arch/mips/configs/rbhma4500_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/rm200_defconfig b/arch/mips/configs/rm200_defconfig
index b7826d3a2b77..4fee90b2b100 100644
--- a/arch/mips/configs/rm200_defconfig
+++ b/arch/mips/configs/rm200_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -1442,7 +1441,7 @@ CONFIG_NTFS_FS=m
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/configs/sb1250-swarm_defconfig b/arch/mips/configs/sb1250-swarm_defconfig
index 625c1c619b6b..9041f095f96f 100644
--- a/arch/mips/configs/sb1250-swarm_defconfig
+++ b/arch/mips/configs/sb1250-swarm_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/sead_defconfig b/arch/mips/configs/sead_defconfig
index 4401b602118f..02abb2f1bfaf 100644
--- a/arch/mips/configs/sead_defconfig
+++ b/arch/mips/configs/sead_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/tb0226_defconfig b/arch/mips/configs/tb0226_defconfig
index 2ba4e25e8c34..ca3d0c4ba15b 100644
--- a/arch/mips/configs/tb0226_defconfig
+++ b/arch/mips/configs/tb0226_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/tb0229_defconfig b/arch/mips/configs/tb0229_defconfig
index fc8a407c1add..4e2009ace278 100644
--- a/arch/mips/configs/tb0229_defconfig
+++ b/arch/mips/configs/tb0229_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/tb0287_defconfig b/arch/mips/configs/tb0287_defconfig
index effcb63b81a3..535a813d01a9 100644
--- a/arch/mips/configs/tb0287_defconfig
+++ b/arch/mips/configs/tb0287_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/workpad_defconfig b/arch/mips/configs/workpad_defconfig
index 4891d02ef8ca..3a3ef20b21cc 100644
--- a/arch/mips/configs/workpad_defconfig
+++ b/arch/mips/configs/workpad_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-rc1
-# Thu Jul  6 10:04:21 2006
+# Linux kernel version: 2.6.18-rc2
+# Tue Jul 25 23:13:04 2006
 #
 CONFIG_MIPS=y
 
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -166,6 +165,7 @@ CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
@@ -379,6 +379,7 @@ CONFIG_CONNECTOR=m
 CONFIG_BLK_DEV_RAM=m
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 # CONFIG_BLK_DEV_INITRD is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
@@ -855,7 +856,6 @@ CONFIG_SUNRPC=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
 # CONFIG_CIFS is not set
-# CONFIG_CIFS_DEBUG2 is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
@@ -880,6 +880,7 @@ CONFIG_MSDOS_PARTITION=y
 #
 # Kernel hacking
 #
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 # CONFIG_PRINTK_TIME is not set
 # CONFIG_MAGIC_SYSRQ is not set
 # CONFIG_UNUSED_SYMBOLS is not set
@@ -887,7 +888,7 @@ CONFIG_MSDOS_PARTITION=y
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_DEBUG_FS is not set
 CONFIG_CROSSCOMPILE=y
-CONFIG_CMDLINE="console=ttyVR0,19200 mem=16M"
+CONFIG_CMDLINE="console=ttyVR0,19200 ide0=0x170,0x376,49 mem=16M"
 
 #
 # Security options
diff --git a/arch/mips/configs/wrppmc_defconfig b/arch/mips/configs/wrppmc_defconfig
index 3e4b16b39827..e6b1dea55842 100644
--- a/arch/mips/configs/wrppmc_defconfig
+++ b/arch/mips/configs/wrppmc_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/configs/yosemite_defconfig b/arch/mips/configs/yosemite_defconfig
index 3a68d8a25b66..06a072b77b1c 100644
--- a/arch/mips/configs/yosemite_defconfig
+++ b/arch/mips/configs/yosemite_defconfig
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
diff --git a/arch/mips/defconfig b/arch/mips/defconfig
index fff6fcc96212..cc9b24eda9e8 100644
--- a/arch/mips/defconfig
+++ b/arch/mips/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.18-rc1
-# Thu Jul  6 09:49:33 2006
+# Thu Jul  6 10:04:10 2006
 #
 CONFIG_MIPS=y
 
@@ -25,7 +25,6 @@ CONFIG_MIPS=y
 # CONFIG_MIPS_COBALT is not set
 # CONFIG_MACH_DECSTATION is not set
 # CONFIG_MIPS_EV64120 is not set
-# CONFIG_MIPS_EV96100 is not set
 # CONFIG_MIPS_IVR is not set
 # CONFIG_MIPS_ITE8172 is not set
 # CONFIG_MACH_JAZZ is not set
@@ -1013,7 +1012,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
+CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 # CONFIG_CONFIGFS_FS is not set
diff --git a/arch/mips/galileo-boards/ev96100/Makefile b/arch/mips/galileo-boards/ev96100/Makefile
deleted file mode 100644
index cd868ec78cbc..000000000000
--- a/arch/mips/galileo-boards/ev96100/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-#
-#  Copyright 2000 MontaVista Software Inc.
-#  Author: MontaVista Software, Inc.
-#     	ppopov@mvista.com or source@mvista.com
-#
-# Makefile for the Galileo EV96100 board.
-#
-
-obj-y		+= init.o irq.o puts.o reset.o time.o setup.o
diff --git a/arch/mips/galileo-boards/ev96100/init.c b/arch/mips/galileo-boards/ev96100/init.c
deleted file mode 100644
index a01fe9b36f2c..000000000000
--- a/arch/mips/galileo-boards/ev96100/init.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
- *
- * This file was derived from Carsten Langgaard's
- * arch/mips/mips-boards/generic/generic.c
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-
-#include <asm/addrspace.h>
-#include <asm/bootinfo.h>
-#include <asm/gt64120.h>
-
-
-/* Environment variable */
-
-typedef struct {
-	char *name;
-	char *val;
-} t_env_var;
-
-int prom_argc;
-char **prom_argv, **prom_envp;
-
-int init_debug = 0;
-
-char * __init prom_getcmdline(void)
-{
-	return &(arcs_cmdline[0]);
-}
-
-unsigned long __init prom_free_prom_memory(void)
-{
-	return 0;
-}
-
-void  __init prom_init_cmdline(void)
-{
-	char *cp;
-	int actr;
-
-	actr = 1; /* Always ignore argv[0] */
-
-	cp = &(arcs_cmdline[0]);
-	while(actr < prom_argc) {
-	        strcpy(cp, prom_argv[actr]);
-		cp += strlen(prom_argv[actr]);
-		*cp++ = ' ';
-		actr++;
-	}
-	if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
-		--cp;
-	*cp = '\0';
-}
-
-char *prom_getenv(char *envname)
-{
-	/*
-	 * Return a pointer to the given environment variable.
-	 */
-
-	t_env_var *env = (t_env_var *) prom_envp;
-	int i;
-
-	i = strlen(envname);
-
-	while (env->name) {
-		if (strncmp(envname, env->name, i) == 0) {
-			return (env->val);
-		}
-		env++;
-	}
-	return (NULL);
-}
-
-static inline unsigned char str2hexnum(unsigned char c)
-{
-	if (c >= '0' && c <= '9')
-		return c - '0';
-	if (c >= 'a' && c <= 'f')
-		return c - 'a' + 10;
-	return 0;		/* foo */
-}
-
-static inline void str2eaddr(unsigned char *ea, unsigned char *str)
-{
-	int i;
-
-	for (i = 0; i < 6; i++) {
-		unsigned char num;
-
-		if ((*str == '.') || (*str == ':'))
-			str++;
-		num = str2hexnum(*str++) << 4;
-		num |= (str2hexnum(*str++));
-		ea[i] = num;
-	}
-}
-
-int get_ethernet_addr(char *ethernet_addr)
-{
-	char *ethaddr_str;
-
-	ethaddr_str = prom_getenv("ethaddr");
-	if (!ethaddr_str) {
-		printk("ethaddr not set in boot prom\n");
-		return -1;
-	}
-	str2eaddr(ethernet_addr, ethaddr_str);
-
-	if (init_debug > 1) {
-		int i;
-		printk("get_ethernet_addr: ");
-		for (i = 0; i < 5; i++)
-			printk("%02x:",
-			       (unsigned char) *(ethernet_addr + i));
-		printk("%02x\n", *(ethernet_addr + i));
-	}
-
-	return 0;
-}
-
-const char *get_system_type(void)
-{
-	return "Galileo EV96100";
-}
-
-void __init prom_init(void)
-{
-	volatile unsigned char *uart;
-	char ppbuf[8];
-
-	prom_argc = fw_arg0;
-	prom_argv = (char **) fw_arg1;
-	prom_envp = (char **) fw_arg2;
-
-	mips_machgroup = MACH_GROUP_GALILEO;
-	mips_machtype = MACH_EV96100;
-
-	prom_init_cmdline();
-
-	/* 32 MB upgradable */
-	add_memory_region(0, 32 << 20, BOOT_MEM_RAM);
-}
diff --git a/arch/mips/galileo-boards/ev96100/irq.c b/arch/mips/galileo-boards/ev96100/irq.c
deleted file mode 100644
index ee5d6720f23b..000000000000
--- a/arch/mips/galileo-boards/ev96100/irq.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
- *
- * This file was derived from Carsten Langgaard's
- * arch/mips/mips-boards/atlas/atlas_int.c.
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/irq.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <asm/irq_cpu.h>
-
-static inline unsigned int ffz8(unsigned int word)
-{
-	unsigned long k;
-
-	k = 7;
-	if (word & 0x0fUL) { k -= 4;  word <<= 4;  }
-	if (word & 0x30UL) { k -= 2;  word <<= 2;  }
-	if (word & 0x40UL) { k -= 1; }
-
-	return k;
-}
-
-extern void mips_timer_interrupt(struct pt_regs *regs);
-
-asmlinkage void ev96100_cpu_irq(unsigned int pending, struct pt_regs *regs)
-{
-	do_IRQ(ffz8(pending >> 8), regs);
-}
-
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
-{
-	unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
-
-	if (pending & CAUSEF_IP7)
-		mips_timer_interrupt(regs);
-	else if (pending)
-		ev96100_cpu_irq(pending, regs);
-	else
-		spurious_interrupt(regs);
-}
-
-void __init arch_init_irq(void)
-{
-	mips_cpu_irq_init(0);
-}
diff --git a/arch/mips/galileo-boards/ev96100/puts.c b/arch/mips/galileo-boards/ev96100/puts.c
deleted file mode 100644
index 49dc6d137b9c..000000000000
--- a/arch/mips/galileo-boards/ev96100/puts.c
+++ /dev/null
@@ -1,138 +0,0 @@
-
-/*
- * Debug routines which directly access the uart.
- */
-
-#include <linux/types.h>
-#include <asm/gt64120.h>
-
-
-//#define SERIAL_BASE    EV96100_UART0_REGS_BASE
-#define SERIAL_BASE    0xBD000020
-#define NS16550_BASE   SERIAL_BASE
-
-#define SERA_CMD       0x0D
-#define SERA_DATA      0x08
-//#define SERB_CMD       0x05
-#define SERB_CMD       20
-#define SERB_DATA      0x00
-#define TX_BUSY        0x20
-
-#define TIMEOUT    0xffff
-#undef SLOW_DOWN
-
-static const char digits[16] = "0123456789abcdef";
-static volatile unsigned char *const com1 = (unsigned char *) SERIAL_BASE;
-
-
-#ifdef SLOW_DOWN
-static inline void slow_down()
-{
-	int k;
-	for (k = 0; k < 10000; k++);
-}
-#else
-#define slow_down()
-#endif
-
-void putch(const unsigned char c)
-{
-	unsigned char ch;
-	int i = 0;
-
-	do {
-		ch = com1[SERB_CMD];
-		slow_down();
-		i++;
-		if (i > TIMEOUT) {
-			break;
-		}
-	} while (0 == (ch & TX_BUSY));
-	com1[SERB_DATA] = c;
-}
-
-void putchar(const unsigned char c)
-{
-	unsigned char ch;
-	int i = 0;
-
-	do {
-		ch = com1[SERB_CMD];
-		slow_down();
-		i++;
-		if (i > TIMEOUT) {
-			break;
-		}
-	} while (0 == (ch & TX_BUSY));
-	com1[SERB_DATA] = c;
-}
-
-void puts(unsigned char *cp)
-{
-	unsigned char ch;
-	int i = 0;
-
-	while (*cp) {
-		do {
-			ch = com1[SERB_CMD];
-			slow_down();
-			i++;
-			if (i > TIMEOUT) {
-				break;
-			}
-		} while (0 == (ch & TX_BUSY));
-		com1[SERB_DATA] = *cp++;
-	}
-	putch('\r');
-	putch('\n');
-}
-
-void fputs(unsigned char *cp)
-{
-	unsigned char ch;
-	int i = 0;
-
-	while (*cp) {
-
-		do {
-			ch = com1[SERB_CMD];
-			slow_down();
-			i++;
-			if (i > TIMEOUT) {
-				break;
-			}
-		} while (0 == (ch & TX_BUSY));
-		com1[SERB_DATA] = *cp++;
-	}
-}
-
-
-void put64(uint64_t ul)
-{
-	int cnt;
-	unsigned ch;
-
-	cnt = 16;		/* 16 nibbles in a 64 bit long */
-	putch('0');
-	putch('x');
-	do {
-		cnt--;
-		ch = (unsigned char) (ul >> cnt * 4) & 0x0F;
-		putch(digits[ch]);
-	} while (cnt > 0);
-}
-
-void put32(unsigned u)
-{
-	int cnt;
-	unsigned ch;
-
-	cnt = 8;		/* 8 nibbles in a 32 bit long */
-	putch('0');
-	putch('x');
-	do {
-		cnt--;
-		ch = (unsigned char) (u >> cnt * 4) & 0x0F;
-		putch(digits[ch]);
-	} while (cnt > 0);
-}
diff --git a/arch/mips/galileo-boards/ev96100/reset.c b/arch/mips/galileo-boards/ev96100/reset.c
deleted file mode 100644
index 5ef9b7f896e6..000000000000
--- a/arch/mips/galileo-boards/ev96100/reset.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * BRIEF MODULE DESCRIPTION
- *	Galileo EV96100 reset routines.
- *
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
- *
- * This file was derived from Carsten Langgaard's
- * arch/mips/mips-boards/generic/reset.c
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/system.h>
-#include <asm/gt64120.h>
-
-static void mips_machine_restart(char *command);
-static void mips_machine_halt(void);
-
-static void mips_machine_restart(char *command)
-{
-	set_c0_status(ST0_BEV | ST0_ERL);
-	change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
-	flush_cache_all();
-	write_c0_wired(0);
-	__asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
-	while (1);
-}
-
-static void mips_machine_halt(void)
-{
-	printk(KERN_NOTICE "You can safely turn off the power\n");
-	while (1)
-		__asm__(".set\tmips3\n\t"
-	                "wait\n\t"
-			".set\tmips0");
-}
-
-void mips_reboot_setup(void)
-{
-	_machine_restart = mips_machine_restart;
-	_machine_halt = mips_machine_halt;
-}
diff --git a/arch/mips/galileo-boards/ev96100/setup.c b/arch/mips/galileo-boards/ev96100/setup.c
deleted file mode 100644
index 639ad5562c63..000000000000
--- a/arch/mips/galileo-boards/ev96100/setup.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * BRIEF MODULE DESCRIPTION
- *	Galileo EV96100 setup.
- *
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
- *
- * This file was derived from Carsten Langgaard's
- * arch/mips/mips-boards/atlas/atlas_setup.c.
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
-#include <linux/string.h>
-#include <linux/ctype.h>
-#include <linux/pci.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/mipsregs.h>
-#include <asm/irq.h>
-#include <asm/delay.h>
-#include <asm/gt64120.h>
-#include <asm/galileo-boards/ev96100int.h>
-
-
-extern char *__init prom_getcmdline(void);
-
-extern void mips_reboot_setup(void);
-
-unsigned char mac_0_1[12];
-
-void __init plat_mem_setup(void)
-{
-	unsigned int config = read_c0_config();
-	unsigned int status = read_c0_status();
-	unsigned int info = read_c0_info();
-	u32 tmp;
-
-	char *argptr;
-
-	clear_c0_status(ST0_FR);
-
-	if (config & 0x8)
-		printk("Secondary cache is enabled\n");
-	else
-		printk("Secondary cache is disabled\n");
-
-	if (status & (1 << 27))
-		printk("User-mode cache ops enabled\n");
-	else
-		printk("User-mode cache ops disabled\n");
-
-	printk("CP0 info reg: %x\n", (unsigned) info);
-	if (info & (1 << 28))
-		printk("burst mode Scache RAMS\n");
-	else
-		printk("pipelined Scache RAMS\n");
-
-	if (info & 0x1)
-		printk("Atomic Enable is set\n");
-
-	argptr = prom_getcmdline();
-#ifdef CONFIG_SERIAL_CONSOLE
-	if (strstr(argptr, "console=") == NULL) {
-		argptr = prom_getcmdline();
-		strcat(argptr, " console=ttyS0,115200");
-	}
-#endif
-
-	mips_reboot_setup();
-
-	set_io_port_base(KSEG1);
-	ioport_resource.start = GT_PCI_IO_BASE;
-	ioport_resource.end = GT_PCI_IO_BASE + 0x01ffffff;
-
-#ifdef CONFIG_BLK_DEV_INITRD
-	ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0);
-#endif
-
-
-	/*
-	 * Setup GT controller master bit so we can do config cycles
-	 */
-
-	/* Clear cause register bits */
-	GT_WRITE(GT_INTRCAUSE_OFS, ~(GT_INTRCAUSE_MASABORT0_BIT |
-				     GT_INTRCAUSE_TARABORT0_BIT));
-	/* Setup address */
-	GT_WRITE(GT_PCI0_CFGADDR_OFS,
-		 (0 << GT_PCI0_CFGADDR_BUSNUM_SHF) |
-		 (0 << GT_PCI0_CFGADDR_FUNCTNUM_SHF) |
-		 ((PCI_COMMAND / 4) << GT_PCI0_CFGADDR_REGNUM_SHF) |
-		 GT_PCI0_CFGADDR_CONFIGEN_BIT);
-
-	udelay(2);
-	tmp = GT_READ(GT_PCI0_CFGDATA_OFS);
-
-	tmp |= (PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
-		PCI_COMMAND_MASTER | PCI_COMMAND_SERR);
-	GT_WRITE(GT_PCI0_CFGADDR_OFS,
-		 (0 << GT_PCI0_CFGADDR_BUSNUM_SHF) |
-		 (0 << GT_PCI0_CFGADDR_FUNCTNUM_SHF) |
-		 ((PCI_COMMAND / 4) << GT_PCI0_CFGADDR_REGNUM_SHF) |
-		 GT_PCI0_CFGADDR_CONFIGEN_BIT);
-	udelay(2);
-	GT_WRITE(GT_PCI0_CFGDATA_OFS, tmp);
-
-	/* Setup address */
-	GT_WRITE(GT_PCI0_CFGADDR_OFS,
-		 (0 << GT_PCI0_CFGADDR_BUSNUM_SHF) |
-		 (0 << GT_PCI0_CFGADDR_FUNCTNUM_SHF) |
-		 ((PCI_COMMAND / 4) << GT_PCI0_CFGADDR_REGNUM_SHF) |
-		 GT_PCI0_CFGADDR_CONFIGEN_BIT);
-
-	udelay(2);
-	tmp = GT_READ(GT_PCI0_CFGDATA_OFS);
-}
-
-unsigned short get_gt_devid(void)
-{
-	u32 gt_devid;
-
-	/* Figure out if this is a gt96100 or gt96100A */
-	GT_WRITE(GT_PCI0_CFGADDR_OFS,
-		 (0 << GT_PCI0_CFGADDR_BUSNUM_SHF) |
-		 (0 << GT_PCI0_CFGADDR_FUNCTNUM_SHF) |
-		 ((PCI_VENDOR_ID / 4) << GT_PCI0_CFGADDR_REGNUM_SHF) |
-		 GT_PCI0_CFGADDR_CONFIGEN_BIT);
-
-	udelay(4);
-	gt_devid = GT_READ(GT_PCI0_CFGDATA_OFS);
-
-	return gt_devid >> 16;
-}
diff --git a/arch/mips/galileo-boards/ev96100/time.c b/arch/mips/galileo-boards/ev96100/time.c
deleted file mode 100644
index 8cbe8426491a..000000000000
--- a/arch/mips/galileo-boards/ev96100/time.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * BRIEF MODULE DESCRIPTION
- *	Galileo EV96100 rtc routines.
- *
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
- *
- * This file was derived from Carsten Langgaard's
- * arch/mips/mips-boards/atlas/atlas_rtc.c.
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <linux/timex.h>
-
-#include <asm/mipsregs.h>
-#include <asm/ptrace.h>
-#include <asm/time.h>
-
-
-#define ALLINTS (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5)
-
-extern volatile unsigned long wall_jiffies;
-unsigned long missed_heart_beats = 0;
-
-static unsigned long r4k_offset; /* Amount to increment compare reg each time */
-static unsigned long r4k_cur;    /* What counter should be at next timer irq */
-
-static inline void ack_r4ktimer(unsigned long newval)
-{
-	write_c0_compare(newval);
-}
-
-/*
- * There are a lot of conceptually broken versions of the MIPS timer interrupt
- * handler floating around.  This one is rather different, but the algorithm
- * is probably more robust.
- */
-void mips_timer_interrupt(struct pt_regs *regs)
-{
-        int irq = 7; /* FIX ME */
-
-	if (r4k_offset == 0) {
-            goto null;
-        }
-
-	do {
-		kstat_this_cpu.irqs[irq]++;
-		do_timer(regs);
-#ifndef CONFIG_SMP
-		update_process_times(user_mode(regs));
-#endif
-		r4k_cur += r4k_offset;
-		ack_r4ktimer(r4k_cur);
-
-	} while (((unsigned long)read_c0_count()
-                    - r4k_cur) < 0x7fffffff);
-	return;
-
-null:
-	ack_r4ktimer(0);
-}
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index aa2caa67299a..9fbf8430c849 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -38,15 +38,40 @@ static void r3081_wait(void)
 
 static void r39xx_wait(void)
 {
-	unsigned long cfg = read_c0_conf();
-	write_c0_conf(cfg | TX39_CONF_HALT);
+	local_irq_disable();
+	if (!need_resched())
+		write_c0_conf(read_c0_conf() | TX39_CONF_HALT);
+	local_irq_enable();
 }
 
+/*
+ * There is a race when WAIT instruction executed with interrupt
+ * enabled.
+ * But it is implementation-dependent wheter the pipelie restarts when
+ * a non-enabled interrupt is requested.
+ */
 static void r4k_wait(void)
 {
-	__asm__(".set\tmips3\n\t"
-		"wait\n\t"
-		".set\tmips0");
+	__asm__("	.set	mips3			\n"
+		"	wait				\n"
+		"	.set	mips0			\n");
+}
+
+/*
+ * This variant is preferable as it allows testing need_resched and going to
+ * sleep depending on the outcome atomically.  Unfortunately the "It is
+ * implementation-dependent whether the pipeline restarts when a non-enabled
+ * interrupt is requested" restriction in the MIPS32/MIPS64 architecture makes
+ * using this version a gamble.
+ */
+static void r4k_wait_irqoff(void)
+{
+	local_irq_disable();
+	if (!need_resched())
+		__asm__("	.set	mips3		\n"
+			"	wait			\n"
+			"	.set	mips0		\n");
+	local_irq_enable();
 }
 
 /* The Au1xxx wait is available only if using 32khz counter or
@@ -56,17 +81,17 @@ int allow_au1k_wait;
 static void au1k_wait(void)
 {
 	/* using the wait instruction makes CP0 counter unusable */
-	__asm__(".set mips3\n\t"
-		"cache 0x14, 0(%0)\n\t"
-		"cache 0x14, 32(%0)\n\t"
-		"sync\n\t"
-		"nop\n\t"
-		"wait\n\t"
-		"nop\n\t"
-		"nop\n\t"
-		"nop\n\t"
-		"nop\n\t"
-		".set mips0\n\t"
+	__asm__("	.set	mips3			\n"
+		"	cache	0x14, 0(%0)		\n"
+		"	cache	0x14, 32(%0)		\n"
+		"	sync				\n"
+		"	nop				\n"
+		"	wait				\n"
+		"	nop				\n"
+		"	nop				\n"
+		"	nop				\n"
+		"	nop				\n"
+		"	.set	mips0			\n"
 		: : "r" (au1k_wait));
 }
 
@@ -111,7 +136,6 @@ static inline void check_wait(void)
 	case CPU_NEVADA:
 	case CPU_RM7000:
 	case CPU_RM9000:
-	case CPU_TX49XX:
 	case CPU_4KC:
 	case CPU_4KEC:
 	case CPU_4KSC:
@@ -125,6 +149,10 @@ static inline void check_wait(void)
 		cpu_wait = r4k_wait;
 		printk(" available.\n");
 		break;
+	case CPU_TX49XX:
+		cpu_wait = r4k_wait_irqoff;
+		printk(" available.\n");
+		break;
 	case CPU_AU1000:
 	case CPU_AU1100:
 	case CPU_AU1500:
diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c
index 676e868d26fb..2132485caa74 100644
--- a/arch/mips/kernel/irixsig.c
+++ b/arch/mips/kernel/irixsig.c
@@ -17,6 +17,7 @@
 
 #include <asm/ptrace.h>
 #include <asm/uaccess.h>
+#include <asm/unistd.h>
 
 #undef DEBUG_SIG
 
@@ -172,11 +173,12 @@ static inline int handle_signal(unsigned long sig, siginfo_t *info,
 	return ret;
 }
 
-asmlinkage int do_irix_signal(sigset_t *oldset, struct pt_regs *regs)
+void do_irix_signal(struct pt_regs *regs)
 {
 	struct k_sigaction ka;
 	siginfo_t info;
 	int signr;
+	sigset_t *oldset;
 
 	/*
 	 * We want the common case to go fast, which is why we may in certain
@@ -184,19 +186,28 @@ asmlinkage int do_irix_signal(sigset_t *oldset, struct pt_regs *regs)
 	 * if so.
 	 */
 	if (!user_mode(regs))
-		return 1;
+		return;
 
-	if (try_to_freeze())
-		goto no_signal;
-
-	if (!oldset)
+	if (test_thread_flag(TIF_RESTORE_SIGMASK))
+		oldset = &current->saved_sigmask;
+	else
 		oldset = &current->blocked;
 
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
-	if (signr > 0)
-		return handle_signal(signr, &info, &ka, oldset, regs);
+	if (signr > 0) {
+		/* Whee!  Actually deliver the signal.  */
+		if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
+			/* a signal was successfully delivered; the saved
+			 * sigmask will have been stored in the signal frame,
+			 * and will be restored by sigreturn, so we can simply
+			 * clear the TIF_RESTORE_SIGMASK flag */
+			if (test_thread_flag(TIF_RESTORE_SIGMASK))
+				clear_thread_flag(TIF_RESTORE_SIGMASK);
+		}
+
+		return;
+	}
 
-no_signal:
 	/*
 	 * Who's code doesn't conform to the restartable syscall convention
 	 * dies here!!!  The li instruction, a single machine instruction,
@@ -208,8 +219,22 @@ no_signal:
 		    regs->regs[2] == ERESTARTNOINTR) {
 			regs->cp0_epc -= 8;
 		}
+		if (regs->regs[2] == ERESTART_RESTARTBLOCK) {
+			regs->regs[2] = __NR_restart_syscall;
+			regs->regs[7] = regs->regs[26];
+			regs->cp0_epc -= 4;
+		}
+		regs->regs[0] = 0;	/* Don't deal with this again.  */
+	}
+
+	/*
+	* If there's no signal to deliver, we just put the saved sigmask
+	* back
+	*/
+	if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+		clear_thread_flag(TIF_RESTORE_SIGMASK);
+		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
 	}
-	return 0;
 }
 
 asmlinkage void
@@ -298,6 +323,9 @@ struct sigact_irix5 {
 	int _unused0[2];
 };
 
+#define SIG_SETMASK32	256	/* Goodie from SGI for BSD compatibility:
+				   set only the low 32 bit of the sigset.  */
+
 #ifdef DEBUG_SIG
 static inline void dump_sigact_irix5(struct sigact_irix5 *p)
 {
@@ -413,7 +441,7 @@ asmlinkage int irix_sigprocmask(int how, irix_sigset_t __user *new,
 
 asmlinkage int irix_sigsuspend(struct pt_regs *regs)
 {
-	sigset_t saveset, newset;
+	sigset_t newset;
 	sigset_t __user *uset;
 
 	uset = (sigset_t __user *) regs->regs[4];
@@ -422,18 +450,15 @@ asmlinkage int irix_sigsuspend(struct pt_regs *regs)
 	sigdelsetmask(&newset, ~_BLOCKABLE);
 
 	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
+	current->saved_sigmask = current->blocked;
 	current->blocked = newset;
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
 
-	regs->regs[2] = -EINTR;
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		if (do_irix_signal(&saveset, regs))
-			return -EINTR;
-	}
+	current->state = TASK_INTERRUPTIBLE;
+	schedule();
+	set_thread_flag(TIF_RESTORE_SIGMASK);
+	return -ERESTARTNOHAND;
 }
 
 /* hate hate hate... */
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 450ac592da57..43b1162d714f 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -991,7 +991,7 @@ struct sysctl_args32
 	unsigned int __unused[4];
 };
 
-#ifdef CONFIG_SYSCTL
+#ifdef CONFIG_SYSCTL_SYSCALL
 
 asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args)
 {
@@ -1032,7 +1032,7 @@ asmlinkage long sys32_sysctl(struct sysctl_args32 __user *args)
 	return error;
 }
 
-#endif /* CONFIG_SYSCTL */
+#endif /* CONFIG_SYSCTL_SYSCALL */
 
 asmlinkage long sys32_newuname(struct new_utsname __user * name)
 {
@@ -1296,9 +1296,3 @@ _sys32_clone(nabi_no_regargs struct pt_regs regs)
 	return do_fork(clone_flags, newsp, &regs, 0,
 	               parent_tidptr, child_tidptr);
 }
-
-extern asmlinkage void sys_set_thread_area(u32 addr);
-asmlinkage void sys32_set_thread_area(u32 addr)
-{
-	sys_set_thread_area(AA(addr));
-}
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 7ab67f786bfe..2613a0dd4b82 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -273,104 +273,107 @@ long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
 	return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, &regs, 0, NULL, NULL);
 }
 
-static struct mips_frame_info {
-	void *func;
-	unsigned long func_size;
-	int frame_size;
-	int pc_offset;
-} *schedule_frame, mfinfo[64];
-static int mfinfo_num;
-
-static int __init get_frame_info(struct mips_frame_info *info)
+/*
+ *
+ */
+struct mips_frame_info {
+	void		*func;
+	unsigned long	func_size;
+	int		frame_size;
+	int		pc_offset;
+};
+
+static inline int is_ra_save_ins(union mips_instruction *ip)
 {
-	int i;
-	void *func = info->func;
-	union mips_instruction *ip = (union mips_instruction *)func;
+	/* sw / sd $ra, offset($sp) */
+	return (ip->i_format.opcode == sw_op || ip->i_format.opcode == sd_op) &&
+		ip->i_format.rs == 29 &&
+		ip->i_format.rt == 31;
+}
+
+static inline int is_jal_jalr_jr_ins(union mips_instruction *ip)
+{
+	if (ip->j_format.opcode == jal_op)
+		return 1;
+	if (ip->r_format.opcode != spec_op)
+		return 0;
+	return ip->r_format.func == jalr_op || ip->r_format.func == jr_op;
+}
+
+static inline int is_sp_move_ins(union mips_instruction *ip)
+{
+	/* addiu/daddiu sp,sp,-imm */
+	if (ip->i_format.rs != 29 || ip->i_format.rt != 29)
+		return 0;
+	if (ip->i_format.opcode == addiu_op || ip->i_format.opcode == daddiu_op)
+		return 1;
+	return 0;
+}
+
+static int get_frame_info(struct mips_frame_info *info)
+{
+	union mips_instruction *ip = info->func;
+	unsigned max_insns = info->func_size / sizeof(union mips_instruction);
+	unsigned i;
+
 	info->pc_offset = -1;
 	info->frame_size = 0;
-	for (i = 0; i < 128; i++, ip++) {
-		/* if jal, jalr, jr, stop. */
-		if (ip->j_format.opcode == jal_op ||
-		    (ip->r_format.opcode == spec_op &&
-		     (ip->r_format.func == jalr_op ||
-		      ip->r_format.func == jr_op)))
-			break;
 
-		if (info->func_size && i >= info->func_size / 4)
+	if (!ip)
+		goto err;
+
+	if (max_insns == 0)
+		max_insns = 128U;	/* unknown function size */
+	max_insns = min(128U, max_insns);
+
+	for (i = 0; i < max_insns; i++, ip++) {
+
+		if (is_jal_jalr_jr_ins(ip))
 			break;
-		if (
-#ifdef CONFIG_32BIT
-		    ip->i_format.opcode == addiu_op &&
-#endif
-#ifdef CONFIG_64BIT
-		    ip->i_format.opcode == daddiu_op &&
-#endif
-		    ip->i_format.rs == 29 &&
-		    ip->i_format.rt == 29) {
-			/* addiu/daddiu sp,sp,-imm */
-			if (info->frame_size)
-				continue;
-			info->frame_size = - ip->i_format.simmediate;
+		if (!info->frame_size) {
+			if (is_sp_move_ins(ip))
+				info->frame_size = - ip->i_format.simmediate;
+			continue;
 		}
-
-		if (
-#ifdef CONFIG_32BIT
-		    ip->i_format.opcode == sw_op &&
-#endif
-#ifdef CONFIG_64BIT
-		    ip->i_format.opcode == sd_op &&
-#endif
-		    ip->i_format.rs == 29 &&
-		    ip->i_format.rt == 31) {
-			/* sw / sd $ra, offset($sp) */
-			if (info->pc_offset != -1)
-				continue;
+		if (info->pc_offset == -1 && is_ra_save_ins(ip)) {
 			info->pc_offset =
 				ip->i_format.simmediate / sizeof(long);
+			break;
 		}
 	}
-	if (info->pc_offset == -1 || info->frame_size == 0) {
-		if (func == schedule)
-			printk("Can't analyze prologue code at %p\n", func);
-		info->pc_offset = -1;
-		info->frame_size = 0;
-	}
-
-	return 0;
+	if (info->frame_size && info->pc_offset >= 0) /* nested */
+		return 0;
+	if (info->pc_offset < 0) /* leaf */
+		return 1;
+	/* prologue seems boggus... */
+err:
+	return -1;
 }
 
+static struct mips_frame_info schedule_mfi __read_mostly;
+
 static int __init frame_info_init(void)
 {
-	int i;
+	unsigned long size = 0;
 #ifdef CONFIG_KALLSYMS
+	unsigned long ofs;
 	char *modname;
 	char namebuf[KSYM_NAME_LEN + 1];
-	unsigned long start, size, ofs;
-	extern char __sched_text_start[], __sched_text_end[];
-	extern char __lock_text_start[], __lock_text_end[];
-
-	start = (unsigned long)__sched_text_start;
-	for (i = 0; i < ARRAY_SIZE(mfinfo); i++) {
-		if (start == (unsigned long)schedule)
-			schedule_frame = &mfinfo[i];
-		if (!kallsyms_lookup(start, &size, &ofs, &modname, namebuf))
-			break;
-		mfinfo[i].func = (void *)(start + ofs);
-		mfinfo[i].func_size = size;
-		start += size - ofs;
-		if (start >= (unsigned long)__lock_text_end)
-			break;
-		if (start == (unsigned long)__sched_text_end)
-			start = (unsigned long)__lock_text_start;
-	}
-#else
-	mfinfo[0].func = schedule;
-	schedule_frame = &mfinfo[0];
+
+	kallsyms_lookup((unsigned long)schedule, &size, &ofs, &modname, namebuf);
 #endif
-	for (i = 0; i < ARRAY_SIZE(mfinfo) && mfinfo[i].func; i++)
-		get_frame_info(&mfinfo[i]);
+	schedule_mfi.func = schedule;
+	schedule_mfi.func_size = size;
+
+	get_frame_info(&schedule_mfi);
+
+	/*
+	 * Without schedule() frame info, result given by
+	 * thread_saved_pc() and get_wchan() are not reliable.
+	 */
+	if (schedule_mfi.pc_offset < 0)
+		printk("Can't analyze schedule() prologue at %p\n", schedule);
 
-	mfinfo_num = i;
 	return 0;
 }
 
@@ -386,54 +389,86 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
 	/* New born processes are a special case */
 	if (t->reg31 == (unsigned long) ret_from_fork)
 		return t->reg31;
-
-	if (!schedule_frame || schedule_frame->pc_offset < 0)
+	if (schedule_mfi.pc_offset < 0)
 		return 0;
-	return ((unsigned long *)t->reg29)[schedule_frame->pc_offset];
+	return ((unsigned long *)t->reg29)[schedule_mfi.pc_offset];
 }
 
-/* get_wchan - a maintenance nightmare^W^Wpain in the ass ...  */
-unsigned long get_wchan(struct task_struct *p)
+
+#ifdef CONFIG_KALLSYMS
+/* used by show_backtrace() */
+unsigned long unwind_stack(struct task_struct *task, unsigned long *sp,
+			   unsigned long pc, unsigned long ra)
 {
 	unsigned long stack_page;
-	unsigned long pc;
-#ifdef CONFIG_KALLSYMS
-	unsigned long frame;
-#endif
+	struct mips_frame_info info;
+	char *modname;
+	char namebuf[KSYM_NAME_LEN + 1];
+	unsigned long size, ofs;
+	int leaf;
 
-	if (!p || p == current || p->state == TASK_RUNNING)
+	stack_page = (unsigned long)task_stack_page(task);
+	if (!stack_page)
 		return 0;
 
-	stack_page = (unsigned long)task_stack_page(p);
-	if (!stack_page || !mfinfo_num)
+	if (!kallsyms_lookup(pc, &size, &ofs, &modname, namebuf))
+		return 0;
+	/*
+	 * Return ra if an exception occured at the first instruction
+	 */
+	if (unlikely(ofs == 0))
+		return ra;
+
+	info.func = (void *)(pc - ofs);
+	info.func_size = ofs;	/* analyze from start to ofs */
+	leaf = get_frame_info(&info);
+	if (leaf < 0)
+		return 0;
+
+	if (*sp < stack_page ||
+	    *sp + info.frame_size > stack_page + THREAD_SIZE - 32)
 		return 0;
 
-	pc = thread_saved_pc(p);
+	if (leaf)
+		/*
+		 * For some extreme cases, get_frame_info() can
+		 * consider wrongly a nested function as a leaf
+		 * one. In that cases avoid to return always the
+		 * same value.
+		 */
+		pc = pc != ra ? ra : 0;
+	else
+		pc = ((unsigned long *)(*sp))[info.pc_offset];
+
+	*sp += info.frame_size;
+	return __kernel_text_address(pc) ? pc : 0;
+}
+#endif
+
+/*
+ * get_wchan - a maintenance nightmare^W^Wpain in the ass ...
+ */
+unsigned long get_wchan(struct task_struct *task)
+{
+	unsigned long pc = 0;
 #ifdef CONFIG_KALLSYMS
-	if (!in_sched_functions(pc))
-		return pc;
+	unsigned long sp;
+#endif
 
-	frame = p->thread.reg29 + schedule_frame->frame_size;
-	do {
-		int i;
+	if (!task || task == current || task->state == TASK_RUNNING)
+		goto out;
+	if (!task_stack_page(task))
+		goto out;
 
-		if (frame < stack_page || frame > stack_page + THREAD_SIZE - 32)
-			return 0;
+	pc = thread_saved_pc(task);
 
-		for (i = mfinfo_num - 1; i >= 0; i--) {
-			if (pc >= (unsigned long) mfinfo[i].func)
-				break;
-		}
-		if (i < 0)
-			break;
+#ifdef CONFIG_KALLSYMS
+	sp = task->thread.reg29 + schedule_mfi.frame_size;
 
-		pc = ((unsigned long *)frame)[mfinfo[i].pc_offset];
-		if (!mfinfo[i].frame_size)
-			break;
-		frame += mfinfo[i].frame_size;
-	} while (in_sched_functions(pc));
+	while (in_sched_functions(pc))
+		pc = unwind_stack(task, &sp, pc, 0);
 #endif
 
+out:
 	return pc;
 }
-
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index ba1bcd83c7d3..e71785102206 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -662,6 +662,8 @@ einval:	li	v0, -EINVAL
 	sys	sys_tee			4
 	sys	sys_vmsplice		4
 	sys	sys_move_pages		6
+	sys	sys_set_robust_list	2
+	sys	sys_get_robust_list	3
 	.endm
 
 	/* We pre-compute the number of _instruction_ bytes needed to
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 939e172db953..4c22d0b4825d 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -466,3 +466,5 @@ sys_call_table:
 	PTR	sys_tee				/* 5265 */
 	PTR	sys_vmsplice
 	PTR	sys_move_pages
+	PTR	sys_set_robust_list
+	PTR	sys_get_robust_list
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 98abbc5a9f13..f25c2a2f1038 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -247,7 +247,7 @@ EXPORT(sysn32_call_table)
 	PTR	sys_capset
 	PTR	sys32_rt_sigpending		/* 6125 */
 	PTR	compat_sys_rt_sigtimedwait
-	PTR	sys_rt_sigqueueinfo
+	PTR	sys32_rt_sigqueueinfo
 	PTR	sysn32_rt_sigsuspend
 	PTR	sys32_sigaltstack
 	PTR	compat_sys_utime		/* 6130 */
@@ -390,5 +390,7 @@ EXPORT(sysn32_call_table)
 	PTR	sys_splice
 	PTR	sys_sync_file_range
 	PTR	sys_tee
-	PTR	sys_vmsplice			/* 6271 */
+	PTR	sys_vmsplice			/* 6270 */
 	PTR	sys_move_pages
+	PTR	compat_sys_set_robust_list
+	PTR	compat_sys_get_robust_list
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 505c9ee54009..288ee4ac4dbb 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -498,7 +498,7 @@ sys_call_table:
 	PTR	sys_mknodat			/* 4290 */
 	PTR	sys_fchownat
 	PTR	compat_sys_futimesat
-	PTR	compat_sys_newfstatat
+	PTR	sys_newfstatat
 	PTR	sys_unlinkat
 	PTR	sys_renameat			/* 4295 */
 	PTR	sys_linkat
@@ -514,4 +514,6 @@ sys_call_table:
 	PTR	sys_tee
 	PTR	sys_vmsplice
 	PTR	compat_sys_move_pages
+	PTR	compat_sys_set_robust_list
+	PTR	compat_sys_get_robust_list	/* 4310 */
 	.size	sys_call_table,.-sys_call_table
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 8c2b596a136f..fdbb508661c5 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -10,29 +10,15 @@
  * Copyright (C) 1999 Silicon Graphics, Inc.
  * Copyright (C) 2000 2001, 2002  Maciej W. Rozycki
  */
-#include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
 #include <linux/module.h>
-#include <linux/stddef.h>
-#include <linux/string.h>
-#include <linux/unistd.h>
-#include <linux/slab.h>
-#include <linux/user.h>
-#include <linux/utsname.h>
-#include <linux/a.out.h>
 #include <linux/screen_info.h>
 #include <linux/bootmem.h>
 #include <linux/initrd.h>
-#include <linux/major.h>
-#include <linux/kdev_t.h>
 #include <linux/root_dev.h>
 #include <linux/highmem.h>
 #include <linux/console.h>
-#include <linux/mmzone.h>
 #include <linux/pfn.h>
 
 #include <asm/addrspace.h>
@@ -96,6 +82,12 @@ void __init add_memory_region(phys_t start, phys_t size, long type)
 	int x = boot_mem_map.nr_map;
 	struct boot_mem_map_entry *prev = boot_mem_map.map + x - 1;
 
+	/* Sanity check */
+	if (start + size < start) {
+		printk("Trying to add an invalid memory region, skipped\n");
+		return;
+	}
+
 	/*
 	 * Try to merge with previous entry if any.  This is far less than
 	 * perfect but is sufficient for most real world cases.
@@ -143,167 +135,132 @@ static void __init print_memory_map(void)
 	}
 }
 
-static inline void parse_cmdline_early(void)
+/*
+ * Manage initrd
+ */
+#ifdef CONFIG_BLK_DEV_INITRD
+
+static int __init rd_start_early(char *p)
 {
-	char c = ' ', *to = command_line, *from = saved_command_line;
-	unsigned long start_at, mem_size;
-	int len = 0;
-	int usermem = 0;
+	unsigned long start = memparse(p, &p);
 
-	printk("Determined physical RAM map:\n");
-	print_memory_map();
+#ifdef CONFIG_64BIT
+	/* HACK: Guess if the sign extension was forgotten */
+	if (start > 0x0000000080000000 && start < 0x00000000ffffffff)
+		start |= 0xffffffff00000000UL;
+#endif
+	initrd_start = start;
+	initrd_end += start;
 
-	for (;;) {
-		/*
-		 * "mem=XXX[kKmM]" defines a memory region from
-		 * 0 to <XXX>, overriding the determined size.
-		 * "mem=XXX[KkmM]@YYY[KkmM]" defines a memory region from
-		 * <YYY> to <YYY>+<XXX>, overriding the determined size.
-		 */
-		if (c == ' ' && !memcmp(from, "mem=", 4)) {
-			if (to != command_line)
-				to--;
-			/*
-			 * If a user specifies memory size, we
-			 * blow away any automatically generated
-			 * size.
-			 */
-			if (usermem == 0) {
-				boot_mem_map.nr_map = 0;
-				usermem = 1;
-			}
-			mem_size = memparse(from + 4, &from);
-			if (*from == '@')
-				start_at = memparse(from + 1, &from);
-			else
-				start_at = 0;
-			add_memory_region(start_at, mem_size, BOOT_MEM_RAM);
-		}
-		c = *(from++);
-		if (!c)
-			break;
-		if (CL_SIZE <= ++len)
-			break;
-		*(to++) = c;
-	}
-	*to = '\0';
+	return 0;
+}
+early_param("rd_start", rd_start_early);
 
-	if (usermem) {
-		printk("User-defined physical RAM map:\n");
-		print_memory_map();
-	}
+static int __init rd_size_early(char *p)
+{
+	initrd_end += memparse(p, &p);
+
+	return 0;
 }
+early_param("rd_size", rd_size_early);
 
-static inline int parse_rd_cmdline(unsigned long* rd_start, unsigned long* rd_end)
+static unsigned long __init init_initrd(void)
 {
+	unsigned long tmp, end, size;
+	u32 *initrd_header;
+
+	ROOT_DEV = Root_RAM0;
+
 	/*
-	 * "rd_start=0xNNNNNNNN" defines the memory address of an initrd
-	 * "rd_size=0xNN" it's size
+	 * Board specific code or command line parser should have
+	 * already set up initrd_start and initrd_end. In these cases
+	 * perfom sanity checks and use them if all looks good.
 	 */
-	unsigned long start = 0;
-	unsigned long size = 0;
-	unsigned long end;
-	char cmd_line[CL_SIZE];
-	char *start_str;
-	char *size_str;
-	char *tmp;
-
-	strcpy(cmd_line, command_line);
-	*command_line = 0;
-	tmp = cmd_line;
-	/* Ignore "rd_start=" strings in other parameters. */
-	start_str = strstr(cmd_line, "rd_start=");
-	if (start_str && start_str != cmd_line && *(start_str - 1) != ' ')
-		start_str = strstr(start_str, " rd_start=");
-	while (start_str) {
-		if (start_str != cmd_line)
-			strncat(command_line, tmp, start_str - tmp);
-		start = memparse(start_str + 9, &start_str);
-		tmp = start_str + 1;
-		start_str = strstr(start_str, " rd_start=");
+	size = initrd_end - initrd_start;
+	if (initrd_end == 0 || size == 0) {
+		initrd_start = 0;
+		initrd_end = 0;
+	} else
+		return initrd_end;
+
+	end = (unsigned long)&_end;
+	tmp = PAGE_ALIGN(end) - sizeof(u32) * 2;
+	if (tmp < end)
+		tmp += PAGE_SIZE;
+
+	initrd_header = (u32 *)tmp;
+	if (initrd_header[0] == 0x494E5244) {
+		initrd_start = (unsigned long)&initrd_header[2];
+		initrd_end = initrd_start + initrd_header[1];
 	}
-	if (*tmp)
-		strcat(command_line, tmp);
-
-	strcpy(cmd_line, command_line);
-	*command_line = 0;
-	tmp = cmd_line;
-	/* Ignore "rd_size" strings in other parameters. */
-	size_str = strstr(cmd_line, "rd_size=");
-	if (size_str && size_str != cmd_line && *(size_str - 1) != ' ')
-		size_str = strstr(size_str, " rd_size=");
-	while (size_str) {
-		if (size_str != cmd_line)
-			strncat(command_line, tmp, size_str - tmp);
-		size = memparse(size_str + 8, &size_str);
-		tmp = size_str + 1;
-		size_str = strstr(size_str, " rd_size=");
+	return initrd_end;
+}
+
+static void __init finalize_initrd(void)
+{
+	unsigned long size = initrd_end - initrd_start;
+
+	if (size == 0) {
+		printk(KERN_INFO "Initrd not found or empty");
+		goto disable;
+	}
+	if (CPHYSADDR(initrd_end) > PFN_PHYS(max_low_pfn)) {
+		printk("Initrd extends beyond end of memory");
+		goto disable;
 	}
-	if (*tmp)
-		strcat(command_line, tmp);
 
-#ifdef CONFIG_64BIT
-	/* HACK: Guess if the sign extension was forgotten */
-	if (start > 0x0000000080000000 && start < 0x00000000ffffffff)
-		start |= 0xffffffff00000000UL;
+	reserve_bootmem(CPHYSADDR(initrd_start), size);
+	initrd_below_start_ok = 1;
+
+	printk(KERN_INFO "Initial ramdisk at: 0x%lx (%lu bytes)\n",
+	       initrd_start, size);
+	return;
+disable:
+	printk(" - disabling initrd\n");
+	initrd_start = 0;
+	initrd_end = 0;
+}
+
+#else  /* !CONFIG_BLK_DEV_INITRD */
+
+#define init_initrd()		0
+#define finalize_initrd()	do {} while (0)
+
 #endif
 
-	end = start + size;
-	if (start && end) {
-		*rd_start = start;
-		*rd_end = end;
-		return 1;
-	}
-	return 0;
+/*
+ * Initialize the bootmem allocator. It also setup initrd related data
+ * if needed.
+ */
+#ifdef CONFIG_SGI_IP27
+
+static void __init bootmem_init(void)
+{
+	init_initrd();
+	finalize_initrd();
 }
 
-#define MAXMEM		HIGHMEM_START
-#define MAXMEM_PFN	PFN_DOWN(MAXMEM)
+#else  /* !CONFIG_SGI_IP27 */
 
-static inline void bootmem_init(void)
+static void __init bootmem_init(void)
 {
-	unsigned long start_pfn;
-	unsigned long reserved_end = (unsigned long)&_end;
-#ifndef CONFIG_SGI_IP27
-	unsigned long first_usable_pfn;
+	unsigned long reserved_end;
+	unsigned long highest = 0;
+	unsigned long mapstart = -1UL;
 	unsigned long bootmap_size;
 	int i;
-#endif
-#ifdef CONFIG_BLK_DEV_INITRD
-	int initrd_reserve_bootmem = 0;
-
-	/* Board specific code should have set up initrd_start and initrd_end */
- 	ROOT_DEV = Root_RAM0;
-	if (parse_rd_cmdline(&initrd_start, &initrd_end)) {
-		reserved_end = max(reserved_end, initrd_end);
-		initrd_reserve_bootmem = 1;
-	} else {
-		unsigned long tmp;
-		u32 *initrd_header;
-
-		tmp = ((reserved_end + PAGE_SIZE-1) & PAGE_MASK) - sizeof(u32) * 2;
-		if (tmp < reserved_end)
-			tmp += PAGE_SIZE;
-		initrd_header = (u32 *)tmp;
-		if (initrd_header[0] == 0x494E5244) {
-			initrd_start = (unsigned long)&initrd_header[2];
-			initrd_end = initrd_start + initrd_header[1];
-			reserved_end = max(reserved_end, initrd_end);
-			initrd_reserve_bootmem = 1;
-		}
-	}
-#endif	/* CONFIG_BLK_DEV_INITRD */
 
 	/*
-	 * Partially used pages are not usable - thus
-	 * we are rounding upwards.
+	 * Init any data related to initrd. It's a nop if INITRD is
+	 * not selected. Once that done we can determine the low bound
+	 * of usable memory.
 	 */
-	start_pfn = PFN_UP(CPHYSADDR(reserved_end));
+	reserved_end = init_initrd();
+	reserved_end = PFN_UP(CPHYSADDR(max(reserved_end, (unsigned long)&_end)));
 
-#ifndef CONFIG_SGI_IP27
-	/* Find the highest page frame number we have available.  */
-	max_pfn = 0;
-	first_usable_pfn = -1UL;
+	/*
+	 * Find the highest page frame number we have available.
+	 */
 	for (i = 0; i < boot_mem_map.nr_map; i++) {
 		unsigned long start, end;
 
@@ -312,56 +269,38 @@ static inline void bootmem_init(void)
 
 		start = PFN_UP(boot_mem_map.map[i].addr);
 		end = PFN_DOWN(boot_mem_map.map[i].addr
-		      + boot_mem_map.map[i].size);
+				+ boot_mem_map.map[i].size);
 
-		if (start >= end)
+		if (end > highest)
+			highest = end;
+		if (end <= reserved_end)
 			continue;
-		if (end > max_pfn)
-			max_pfn = end;
-		if (start < first_usable_pfn) {
-			if (start > start_pfn) {
-				first_usable_pfn = start;
-			} else if (end > start_pfn) {
-				first_usable_pfn = start_pfn;
-			}
-		}
+		if (start >= mapstart)
+			continue;
+		mapstart = max(reserved_end, start);
 	}
 
 	/*
 	 * Determine low and high memory ranges
 	 */
-	max_low_pfn = max_pfn;
-	if (max_low_pfn > MAXMEM_PFN) {
-		max_low_pfn = MAXMEM_PFN;
-#ifndef CONFIG_HIGHMEM
-		/* Maximum memory usable is what is directly addressable */
-		printk(KERN_WARNING "Warning only %ldMB will be used.\n",
-		       MAXMEM >> 20);
-		printk(KERN_WARNING "Use a HIGHMEM enabled kernel.\n");
+	if (highest > PFN_DOWN(HIGHMEM_START)) {
+#ifdef CONFIG_HIGHMEM
+		highstart_pfn = PFN_DOWN(HIGHMEM_START);
+		highend_pfn = highest;
 #endif
+		highest = PFN_DOWN(HIGHMEM_START);
 	}
 
-#ifdef CONFIG_HIGHMEM
 	/*
-	 * Crude, we really should make a better attempt at detecting
-	 * highstart_pfn
+	 * Initialize the boot-time allocator with low memory only.
 	 */
-	highstart_pfn = highend_pfn = max_pfn;
-	if (max_pfn > MAXMEM_PFN) {
-		highstart_pfn = MAXMEM_PFN;
-		printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
-		       (highend_pfn - highstart_pfn) >> (20 - PAGE_SHIFT));
-	}
-#endif
-
-	/* Initialize the boot-time allocator with low memory only.  */
-	bootmap_size = init_bootmem(first_usable_pfn, max_low_pfn);
+	bootmap_size = init_bootmem(mapstart, highest);
 
 	/*
 	 * Register fully available low RAM pages with the bootmem allocator.
 	 */
 	for (i = 0; i < boot_mem_map.nr_map; i++) {
-		unsigned long curr_pfn, last_pfn, size;
+		unsigned long start, end, size;
 
 		/*
 		 * Reserve usable memory.
@@ -369,85 +308,50 @@ static inline void bootmem_init(void)
 		if (boot_mem_map.map[i].type != BOOT_MEM_RAM)
 			continue;
 
-		/*
-		 * We are rounding up the start address of usable memory:
-		 */
-		curr_pfn = PFN_UP(boot_mem_map.map[i].addr);
-		if (curr_pfn >= max_low_pfn)
-			continue;
-		if (curr_pfn < start_pfn)
-			curr_pfn = start_pfn;
-
-		/*
-		 * ... and at the end of the usable range downwards:
-		 */
-		last_pfn = PFN_DOWN(boot_mem_map.map[i].addr
+		start = PFN_UP(boot_mem_map.map[i].addr);
+		end   = PFN_DOWN(boot_mem_map.map[i].addr
 				    + boot_mem_map.map[i].size);
-
-		if (last_pfn > max_low_pfn)
-			last_pfn = max_low_pfn;
-
 		/*
-		 * Only register lowmem part of lowmem segment with bootmem.
+		 * We are rounding up the start address of usable memory
+		 * and at the end of the usable range downwards.
 		 */
-		size = last_pfn - curr_pfn;
-		if (curr_pfn > PFN_DOWN(HIGHMEM_START))
-			continue;
-		if (curr_pfn + size - 1 > PFN_DOWN(HIGHMEM_START))
-			size = PFN_DOWN(HIGHMEM_START) - curr_pfn;
-		if (!size)
+		if (start >= max_low_pfn)
 			continue;
+		if (start < reserved_end)
+			start = reserved_end;
+		if (end > max_low_pfn)
+			end = max_low_pfn;
 
 		/*
-		 * ... finally, did all the rounding and playing
-		 * around just make the area go away?
+		 * ... finally, is the area going away?
 		 */
-		if (last_pfn <= curr_pfn)
+		if (end <= start)
 			continue;
+		size = end - start;
 
 		/* Register lowmem ranges */
-		free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(size));
-		memory_present(0, curr_pfn, curr_pfn + size - 1);
+		free_bootmem(PFN_PHYS(start), size << PAGE_SHIFT);
+		memory_present(0, start, end);
 	}
 
-	/* Reserve the bootmap memory.  */
-	reserve_bootmem(PFN_PHYS(first_usable_pfn), bootmap_size);
-#endif /* CONFIG_SGI_IP27 */
-
-#ifdef CONFIG_BLK_DEV_INITRD
-	initrd_below_start_ok = 1;
-	if (initrd_start) {
-		unsigned long initrd_size = ((unsigned char *)initrd_end) -
-			((unsigned char *)initrd_start);
-		const int width = sizeof(long) * 2;
-
-		printk("Initial ramdisk at: 0x%p (%lu bytes)\n",
-		       (void *)initrd_start, initrd_size);
-
-		if (CPHYSADDR(initrd_end) > PFN_PHYS(max_low_pfn)) {
-			printk("initrd extends beyond end of memory "
-			       "(0x%0*Lx > 0x%0*Lx)\ndisabling initrd\n",
-			       width,
-			       (unsigned long long) CPHYSADDR(initrd_end),
-			       width,
-			       (unsigned long long) PFN_PHYS(max_low_pfn));
-			initrd_start = initrd_end = 0;
-			initrd_reserve_bootmem = 0;
-		}
+	/*
+	 * Reserve the bootmap memory.
+	 */
+	reserve_bootmem(PFN_PHYS(mapstart), bootmap_size);
 
-		if (initrd_reserve_bootmem)
-			reserve_bootmem(CPHYSADDR(initrd_start), initrd_size);
-	}
-#endif /* CONFIG_BLK_DEV_INITRD  */
+	/*
+	 * Reserve initrd memory if needed.
+	 */
+	finalize_initrd();
 }
 
+#endif	/* CONFIG_SGI_IP27 */
+
 /*
  * arch_mem_init - initialize memory managment subsystem
  *
  *  o plat_mem_setup() detects the memory configuration and will record detected
  *    memory areas using add_memory_region.
- *  o parse_cmdline_early() parses the command line for mem= options which,
- *    iff detected, will override the results of the automatic detection.
  *
  * At this stage the memory configuration of the system is known to the
  * kernel but generic memory managment system is still entirely uninitialized.
@@ -465,25 +369,59 @@ static inline void bootmem_init(void)
  * initialization hook for anything else was introduced.
  */
 
-extern void plat_mem_setup(void);
+static int usermem __initdata = 0;
+
+static int __init early_parse_mem(char *p)
+{
+	unsigned long start, size;
+
+	/*
+	 * If a user specifies memory size, we
+	 * blow away any automatically generated
+	 * size.
+	 */
+	if (usermem == 0) {
+		boot_mem_map.nr_map = 0;
+		usermem = 1;
+ 	}
+	start = 0;
+	size = memparse(p, &p);
+	if (*p == '@')
+		start = memparse(p + 1, &p);
+
+	add_memory_region(start, size, BOOT_MEM_RAM);
+	return 0;
+}
+early_param("mem", early_parse_mem);
 
 static void __init arch_mem_init(char **cmdline_p)
 {
+	extern void plat_mem_setup(void);
+
 	/* call board setup routine */
 	plat_mem_setup();
 
+	printk("Determined physical RAM map:\n");
+	print_memory_map();
+
 	strlcpy(command_line, arcs_cmdline, sizeof(command_line));
 	strlcpy(saved_command_line, command_line, COMMAND_LINE_SIZE);
 
 	*cmdline_p = command_line;
 
-	parse_cmdline_early();
+	parse_early_param();
+
+	if (usermem) {
+		printk("User-defined physical RAM map:\n");
+		print_memory_map();
+	}
+
 	bootmem_init();
 	sparse_init();
 	paging_init();
 }
 
-static inline void resource_init(void)
+static void __init resource_init(void)
 {
 	int i;
 
@@ -504,10 +442,10 @@ static inline void resource_init(void)
 
 		start = boot_mem_map.map[i].addr;
 		end = boot_mem_map.map[i].addr + boot_mem_map.map[i].size - 1;
-		if (start >= MAXMEM)
+		if (start >= HIGHMEM_START)
 			continue;
-		if (end >= MAXMEM)
-			end = MAXMEM - 1;
+		if (end >= HIGHMEM_START)
+			end = HIGHMEM_START - 1;
 
 		res = alloc_bootmem(sizeof(struct resource));
 		switch (boot_mem_map.map[i].type) {
@@ -536,9 +474,6 @@ static inline void resource_init(void)
 	}
 }
 
-#undef MAXMEM
-#undef MAXMEM_PFN
-
 void __init setup_arch(char **cmdline_p)
 {
 	cpu_probe();
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 6b4d9be31615..b9d358e05214 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -424,15 +424,11 @@ void do_signal(struct pt_regs *regs)
 	if (!user_mode(regs))
 		return;
 
-	if (try_to_freeze())
-		goto no_signal;
-
 	if (test_thread_flag(TIF_RESTORE_SIGMASK))
 		oldset = &current->saved_sigmask;
 	else
 		oldset = &current->blocked;
 
-
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 	if (signr > 0) {
 		/* Whee!  Actually deliver the signal.  */
@@ -446,9 +442,10 @@ void do_signal(struct pt_regs *regs)
 			if (test_thread_flag(TIF_RESTORE_SIGMASK))
 				clear_thread_flag(TIF_RESTORE_SIGMASK);
 		}
+
+		return;
 	}
 
-no_signal:
 	/*
 	 * Who's code doesn't conform to the restartable syscall convention
 	 * dies here!!!  The li instruction, a single machine instruction,
@@ -466,6 +463,7 @@ no_signal:
 			regs->regs[7] = regs->regs[26];
 			regs->cp0_epc -= 4;
 		}
+		regs->regs[0] = 0;	/* Don't deal with this again.  */
 	}
 
 	/*
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index f32a22997c3d..c86a5ddff050 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -815,9 +815,6 @@ void do_signal32(struct pt_regs *regs)
 	if (!user_mode(regs))
 		return;
 
-	if (try_to_freeze())
-		goto no_signal;
-
 	if (test_thread_flag(TIF_RESTORE_SIGMASK))
 		oldset = &current->saved_sigmask;
 	else
@@ -836,9 +833,10 @@ void do_signal32(struct pt_regs *regs)
 			if (test_thread_flag(TIF_RESTORE_SIGMASK))
 				clear_thread_flag(TIF_RESTORE_SIGMASK);
 		}
+
+		return;
 	}
 
-no_signal:
 	/*
 	 * Who's code doesn't conform to the restartable syscall convention
 	 * dies here!!!  The li instruction, a single machine instruction,
@@ -856,6 +854,7 @@ no_signal:
 			regs->regs[7] = regs->regs[26];
 			regs->cp0_epc -= 4;
 		}
+		regs->regs[0] = 0;	/* Don't deal with this again.  */
 	}
 
 	/*
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index 93429a4d3012..766253c44f3f 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -203,7 +203,7 @@ void plat_smp_setup(void)
 				write_vpe_c0_config( read_c0_config());
 
 				/* make sure there are no software interrupts pending */
-				write_vpe_c0_cause(read_vpe_c0_cause() & ~(C_SW1|C_SW0));
+				write_vpe_c0_cause(0);
 
 				/* Propagate Config7 */
 				write_vpe_c0_config7(read_c0_config7());
diff --git a/arch/mips/kernel/smtc-asm.S b/arch/mips/kernel/smtc-asm.S
index 4cc3dea36612..76cb31d57482 100644
--- a/arch/mips/kernel/smtc-asm.S
+++ b/arch/mips/kernel/smtc-asm.S
@@ -8,7 +8,7 @@
 #include <asm/regdef.h>
 #include <asm/asmmacro.h>
 #include <asm/stackframe.h>
-#include <asm/stackframe.h>
+#include <asm/irqflags.h>
 
 /*
  * "Software Interrupt" linkage.
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 0721314db657..9951240cc3fd 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -263,7 +263,7 @@ asmlinkage int sys_olduname(struct oldold_utsname __user * name)
 	return error;
 }
 
-void sys_set_thread_area(unsigned long addr)
+asmlinkage int sys_set_thread_area(unsigned long addr)
 {
 	struct thread_info *ti = task_thread_info(current);
 
@@ -271,6 +271,8 @@ void sys_set_thread_area(unsigned long addr)
 
 	/* If some future MIPS implementation has this register in hardware,
 	 * we will need to update it here (and in context switches).  */
+
+	return 0;
 }
 
 asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 954a198494ef..e51d8fd9a152 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -20,6 +20,7 @@
 #include <linux/spinlock.h>
 #include <linux/kallsyms.h>
 #include <linux/bootmem.h>
+#include <linux/interrupt.h>
 
 #include <asm/bootinfo.h>
 #include <asm/branch.h>
@@ -72,28 +73,68 @@ void (*board_nmi_handler_setup)(void);
 void (*board_ejtag_handler_setup)(void);
 void (*board_bind_eic_interrupt)(int irq, int regset);
 
-/*
- * These constant is for searching for possible module text segments.
- * MODULE_RANGE is a guess of how much space is likely to be vmalloced.
- */
-#define MODULE_RANGE (8*1024*1024)
+
+static void show_raw_backtrace(unsigned long reg29)
+{
+	unsigned long *sp = (unsigned long *)reg29;
+	unsigned long addr;
+
+	printk("Call Trace:");
+#ifdef CONFIG_KALLSYMS
+	printk("\n");
+#endif
+	while (!kstack_end(sp)) {
+		addr = *sp++;
+		if (__kernel_text_address(addr))
+			print_ip_sym(addr);
+	}
+	printk("\n");
+}
+
+#ifdef CONFIG_KALLSYMS
+static int raw_show_trace;
+static int __init set_raw_show_trace(char *str)
+{
+	raw_show_trace = 1;
+	return 1;
+}
+__setup("raw_show_trace", set_raw_show_trace);
+
+extern unsigned long unwind_stack(struct task_struct *task, unsigned long *sp,
+				  unsigned long pc, unsigned long ra);
+
+static void show_backtrace(struct task_struct *task, struct pt_regs *regs)
+{
+	unsigned long sp = regs->regs[29];
+	unsigned long ra = regs->regs[31];
+	unsigned long pc = regs->cp0_epc;
+
+	if (raw_show_trace || !__kernel_text_address(pc)) {
+		show_raw_backtrace(sp);
+		return;
+	}
+	printk("Call Trace:\n");
+	do {
+		print_ip_sym(pc);
+		pc = unwind_stack(task, &sp, pc, ra);
+		ra = 0;
+	} while (pc);
+	printk("\n");
+}
+#else
+#define show_backtrace(task, r) show_raw_backtrace((r)->regs[29]);
+#endif
 
 /*
  * This routine abuses get_user()/put_user() to reference pointers
  * with at least a bit of error checking ...
  */
-void show_stack(struct task_struct *task, unsigned long *sp)
+static void show_stacktrace(struct task_struct *task, struct pt_regs *regs)
 {
 	const int field = 2 * sizeof(unsigned long);
 	long stackdata;
 	int i;
-
-	if (!sp) {
-		if (task && task != current)
-			sp = (unsigned long *) task->thread.reg29;
-		else
-			sp = (unsigned long *) &sp;
-	}
+	unsigned long *sp = (unsigned long *)regs->regs[29];
 
 	printk("Stack :");
 	i = 0;
@@ -114,32 +155,48 @@ void show_stack(struct task_struct *task, unsigned long *sp)
 		i++;
 	}
 	printk("\n");
+	show_backtrace(task, regs);
 }
 
-void show_trace(struct task_struct *task, unsigned long *stack)
+static __always_inline void prepare_frametrace(struct pt_regs *regs)
 {
-	const int field = 2 * sizeof(unsigned long);
-	unsigned long addr;
-
-	if (!stack) {
-		if (task && task != current)
-			stack = (unsigned long *) task->thread.reg29;
-		else
-			stack = (unsigned long *) &stack;
-	}
-
-	printk("Call Trace:");
-#ifdef CONFIG_KALLSYMS
-	printk("\n");
+	__asm__ __volatile__(
+		".set push\n\t"
+		".set noat\n\t"
+#ifdef CONFIG_64BIT
+		"1: dla $1, 1b\n\t"
+		"sd $1, %0\n\t"
+		"sd $29, %1\n\t"
+		"sd $31, %2\n\t"
+#else
+		"1: la $1, 1b\n\t"
+		"sw $1, %0\n\t"
+		"sw $29, %1\n\t"
+		"sw $31, %2\n\t"
 #endif
-	while (!kstack_end(stack)) {
-		addr = *stack++;
-		if (__kernel_text_address(addr)) {
-			printk(" [<%0*lx>] ", field, addr);
-			print_symbol("%s\n", addr);
+		".set pop\n\t"
+		: "=m" (regs->cp0_epc),
+		"=m" (regs->regs[29]), "=m" (regs->regs[31])
+		: : "memory");
+}
+
+void show_stack(struct task_struct *task, unsigned long *sp)
+{
+	struct pt_regs regs;
+	if (sp) {
+		regs.regs[29] = (unsigned long)sp;
+		regs.regs[31] = 0;
+		regs.cp0_epc = 0;
+	} else {
+		if (task && task != current) {
+			regs.regs[29] = task->thread.reg29;
+			regs.regs[31] = 0;
+			regs.cp0_epc = task->thread.reg31;
+		} else {
+			prepare_frametrace(&regs);
 		}
 	}
-	printk("\n");
+	show_stacktrace(task, &regs);
 }
 
 /*
@@ -147,9 +204,15 @@ void show_trace(struct task_struct *task, unsigned long *stack)
  */
 void dump_stack(void)
 {
-	unsigned long stack;
+	struct pt_regs regs;
 
-	show_trace(current, &stack);
+	/*
+	 * Remove any garbage that may be in regs (specially func
+	 * addresses) to avoid show_raw_backtrace() to report them
+	 */
+	memset(&regs, 0, sizeof(regs));
+	prepare_frametrace(&regs);
+	show_backtrace(current, &regs);
 }
 
 EXPORT_SYMBOL(dump_stack);
@@ -268,8 +331,7 @@ void show_registers(struct pt_regs *regs)
 	print_modules();
 	printk("Process %s (pid: %d, threadinfo=%p, task=%p)\n",
 	        current->comm, current->pid, current_thread_info(), current);
-	show_stack(current, (long *) regs->regs[29]);
-	show_trace(current, (long *) regs->regs[29]);
+	show_stacktrace(current, regs);
 	show_code((unsigned int *) regs->cp0_epc);
 	printk("\n");
 }
@@ -292,6 +354,16 @@ NORET_TYPE void ATTRIB_NORET die(const char * str, struct pt_regs * regs)
 	printk("%s[#%d]:\n", str, ++die_counter);
 	show_registers(regs);
 	spin_unlock_irq(&die_lock);
+
+	if (in_interrupt())
+		panic("Fatal exception in interrupt");
+
+	if (panic_on_oops) {
+		printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n");
+		ssleep(5);
+		panic("Fatal exception");
+	}
+
 	do_exit(SIGSEGV);
 }
 
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 9ee0ec2cd067..51ddd2166898 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -768,10 +768,16 @@ int vpe_run(struct vpe * v)
 	 */
  	write_tc_c0_tcbind((read_tc_c0_tcbind() & ~TCBIND_CURVPE) | v->minor);
 
+	write_vpe_c0_vpeconf0(read_vpe_c0_vpeconf0() & ~(VPECONF0_VPA));
+
+	back_to_back_c0_hazard();
+
         /* Set up the XTC bit in vpeconf0 to point at our tc */
         write_vpe_c0_vpeconf0( (read_vpe_c0_vpeconf0() & ~(VPECONF0_XTC))
                                | (t->index << VPECONF0_XTC_SHIFT));
 
+	back_to_back_c0_hazard();
+
         /* enable this VPE */
         write_vpe_c0_vpeconf0(read_vpe_c0_vpeconf0() | VPECONF0_VPA);
 
diff --git a/arch/mips/mips-boards/atlas/atlas_int.c b/arch/mips/mips-boards/atlas/atlas_int.c
index fb25e0377f11..a020a3cb4f4b 100644
--- a/arch/mips/mips-boards/atlas/atlas_int.c
+++ b/arch/mips/mips-boards/atlas/atlas_int.c
@@ -1,6 +1,8 @@
 /*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
+ * Copyright (C) 1999, 2000, 2006  MIPS Technologies, Inc.
+ *	All rights reserved.
+ *	Authors: Carsten Langgaard <carstenl@mips.com>
+ *		 Maciej W. Rozycki <macro@mips.com>
  *
  * ########################################################################
  *
@@ -25,17 +27,20 @@
  */
 #include <linux/compiler.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
 
-#include <asm/irq.h>
+#include <asm/gdb-stub.h>
 #include <asm/io.h>
+#include <asm/irq_cpu.h>
+#include <asm/msc01_ic.h>
+
 #include <asm/mips-boards/atlas.h>
 #include <asm/mips-boards/atlasint.h>
-#include <asm/gdb-stub.h>
-
+#include <asm/mips-boards/generic.h>
 
 static struct atlas_ictrl_regs *atlas_hw0_icregs;
 
@@ -47,13 +52,13 @@ static struct atlas_ictrl_regs *atlas_hw0_icregs;
 
 void disable_atlas_irq(unsigned int irq_nr)
 {
-	atlas_hw0_icregs->intrsten = (1 << (irq_nr-ATLASINT_BASE));
+	atlas_hw0_icregs->intrsten = 1 << (irq_nr - ATLAS_INT_BASE);
 	iob();
 }
 
 void enable_atlas_irq(unsigned int irq_nr)
 {
-	atlas_hw0_icregs->intseten = (1 << (irq_nr-ATLASINT_BASE));
+	atlas_hw0_icregs->intseten = 1 << (irq_nr - ATLAS_INT_BASE);
 	iob();
 }
 
@@ -107,7 +112,7 @@ static inline void atlas_hw0_irqdispatch(struct pt_regs *regs)
 	if (unlikely(int_status == 0))
 		return;
 
-	irq = ATLASINT_BASE + ls1bit32(int_status);
+	irq = ATLAS_INT_BASE + ls1bit32(int_status);
 
 	DEBUG_INT("atlas_hw0_irqdispatch: irq=%d\n", irq);
 
@@ -161,15 +166,14 @@ static inline unsigned int irq_ffs(unsigned int pending)
 }
 
 /*
- * IRQs on the Atlas board look basically (barring software IRQs which we
- * don't use at all and all external interrupt sources are combined together
- * on hardware interrupt 0 (MIPS IRQ 2)) like:
+ * IRQs on the Atlas board look basically like (all external interrupt
+ * sources are combined together on hardware interrupt 0 (MIPS IRQ 2)):
  *
- *	MIPS IRQ	Source
+ *      MIPS IRQ        Source
  *      --------        ------
- *             0	Software (ignored)
- *             1        Software (ignored)
- *             2        Combined hardware interrupt (hw0)
+ *             0        Software 0 (reschedule IPI on MT)
+ *             1        Software 1 (remote call IPI on MT)
+ *             2        Combined Atlas hardware interrupt (hw0)
  *             3        Hardware (ignored)
  *             4        Hardware (ignored)
  *             5        Hardware (ignored)
@@ -179,7 +183,7 @@ static inline unsigned int irq_ffs(unsigned int pending)
  * We handle the IRQ according to _our_ priority which is:
  *
  * Highest ----     R4k Timer
- * Lowest  ----     Combined hardware interrupt
+ * Lowest  ----     Software 0
  *
  * then we just return, if multiple IRQs are pending then we will just take
  * another exception, big deal.
@@ -193,17 +197,19 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
 
 	if (irq == MIPSCPU_INT_ATLAS)
 		atlas_hw0_irqdispatch(regs);
-	else if (irq > 0)
+	else if (irq >= 0)
 		do_IRQ(MIPSCPU_INT_BASE + irq, regs);
 	else
 		spurious_interrupt(regs);
 }
 
-void __init arch_init_irq(void)
+static inline void init_atlas_irqs (int base)
 {
 	int i;
 
-	atlas_hw0_icregs = (struct atlas_ictrl_regs *)ioremap (ATLAS_ICTRL_REGS_BASE, sizeof(struct atlas_ictrl_regs *));
+	atlas_hw0_icregs = (struct atlas_ictrl_regs *)
+			   ioremap(ATLAS_ICTRL_REGS_BASE,
+				   sizeof(struct atlas_ictrl_regs *));
 
 	/*
 	 * Mask out all interrupt by writing "1" to all bit position in
@@ -211,7 +217,7 @@ void __init arch_init_irq(void)
 	 */
 	atlas_hw0_icregs->intrsten = 0xffffffff;
 
-	for (i = ATLASINT_BASE; i <= ATLASINT_END; i++) {
+	for (i = ATLAS_INT_BASE; i <= ATLAS_INT_END; i++) {
 		irq_desc[i].status	= IRQ_DISABLED;
 		irq_desc[i].action	= 0;
 		irq_desc[i].depth	= 1;
@@ -219,3 +225,62 @@ void __init arch_init_irq(void)
 		spin_lock_init(&irq_desc[i].lock);
 	}
 }
+
+static struct irqaction atlasirq = {
+	.handler = no_action,
+	.name = "Atlas cascade"
+};
+
+msc_irqmap_t __initdata msc_irqmap[] = {
+	{MSC01C_INT_TMR,		MSC01_IRQ_EDGE, 0},
+	{MSC01C_INT_PCI,		MSC01_IRQ_LEVEL, 0},
+};
+int __initdata msc_nr_irqs = sizeof(msc_irqmap) / sizeof(*msc_irqmap);
+
+msc_irqmap_t __initdata msc_eicirqmap[] = {
+	{MSC01E_INT_SW0,		MSC01_IRQ_LEVEL, 0},
+	{MSC01E_INT_SW1,		MSC01_IRQ_LEVEL, 0},
+	{MSC01E_INT_ATLAS,		MSC01_IRQ_LEVEL, 0},
+	{MSC01E_INT_TMR,		MSC01_IRQ_EDGE, 0},
+	{MSC01E_INT_PCI,		MSC01_IRQ_LEVEL, 0},
+	{MSC01E_INT_PERFCTR,		MSC01_IRQ_LEVEL, 0},
+	{MSC01E_INT_CPUCTR,		MSC01_IRQ_LEVEL, 0}
+};
+int __initdata msc_nr_eicirqs = sizeof(msc_eicirqmap) / sizeof(*msc_eicirqmap);
+
+void __init arch_init_irq(void)
+{
+	init_atlas_irqs(ATLAS_INT_BASE);
+
+	if (!cpu_has_veic)
+		mips_cpu_irq_init(MIPSCPU_INT_BASE);
+
+	switch(mips_revision_corid) {
+	case MIPS_REVISION_CORID_CORE_MSC:
+	case MIPS_REVISION_CORID_CORE_FPGA2:
+	case MIPS_REVISION_CORID_CORE_FPGA3:
+	case MIPS_REVISION_CORID_CORE_24K:
+	case MIPS_REVISION_CORID_CORE_EMUL_MSC:
+		if (cpu_has_veic)
+			init_msc_irqs (MSC01E_INT_BASE,
+				       msc_eicirqmap, msc_nr_eicirqs);
+		else
+			init_msc_irqs (MSC01C_INT_BASE,
+				       msc_irqmap, msc_nr_irqs);
+	}
+
+
+	if (cpu_has_veic) {
+		set_vi_handler (MSC01E_INT_ATLAS, atlas_hw0_irqdispatch);
+		setup_irq (MSC01E_INT_BASE + MSC01E_INT_ATLAS, &atlasirq);
+	} else if (cpu_has_vint) {
+		set_vi_handler (MIPSCPU_INT_ATLAS, atlas_hw0_irqdispatch);
+#ifdef CONFIG_MIPS_MT_SMTC
+		setup_irq_smtc (MIPSCPU_INT_BASE + MIPSCPU_INT_ATLAS,
+				&atlasirq, (0x100 << MIPSCPU_INT_ATLAS));
+#else /* Not SMTC */
+		setup_irq(MIPSCPU_INT_BASE + MIPSCPU_INT_ATLAS, &atlasirq);
+#endif /* CONFIG_MIPS_MT_SMTC */
+	} else
+		setup_irq(MIPSCPU_INT_BASE + MIPSCPU_INT_ATLAS, &atlasirq);
+}
diff --git a/arch/mips/mips-boards/atlas/atlas_setup.c b/arch/mips/mips-boards/atlas/atlas_setup.c
index 9871a91fdb07..0c6b0ce15028 100644
--- a/arch/mips/mips-boards/atlas/atlas_setup.c
+++ b/arch/mips/mips-boards/atlas/atlas_setup.c
@@ -77,7 +77,7 @@ static void __init serial_init(void)
 #else
 	s.iobase = ATLAS_UART_REGS_BASE+3;
 #endif
-	s.irq = ATLASINT_UART;
+	s.irq = ATLAS_INT_UART;
 	s.uartclk = ATLAS_BASE_BAUD * 16;
 	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ;
 	s.iotype = UPIO_PORT;
diff --git a/arch/mips/mips-boards/generic/time.c b/arch/mips/mips-boards/generic/time.c
index 557bf961f36a..8d15861fce61 100644
--- a/arch/mips/mips-boards/generic/time.c
+++ b/arch/mips/mips-boards/generic/time.c
@@ -41,8 +41,13 @@
 
 #include <asm/mips-boards/generic.h>
 #include <asm/mips-boards/prom.h>
+
+#ifdef CONFIG_MIPS_ATLAS
+#include <asm/mips-boards/atlasint.h>
+#endif
+#ifdef CONFIG_MIPS_MALTA
 #include <asm/mips-boards/maltaint.h>
-#include <asm/mc146818-time.h>
+#endif
 
 unsigned long cpu_khz;
 
@@ -92,10 +97,9 @@ extern int (*perf_irq)(struct pt_regs *regs);
 irqreturn_t mips_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	int cpu = smp_processor_id();
-	int r2 = cpu_has_mips_r2;
 
 #ifdef CONFIG_MIPS_MT_SMTC
-        /*
+	/*
 	 *  In an SMTC system, one Count/Compare set exists per VPE.
 	 *  Which TC within a VPE gets the interrupt is essentially
 	 *  random - we only know that it shouldn't be one with
@@ -108,29 +112,46 @@ irqreturn_t mips_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	 *  the general MIPS timer_interrupt routine.
 	 */
 
+	int vpflags;
+
 	/*
-	 * DVPE is necessary so long as cross-VPE interrupts
-	 * are done via read-modify-write of Cause register.
+	 * We could be here due to timer interrupt,
+	 * perf counter overflow, or both.
 	 */
-	int vpflags = dvpe();
-	write_c0_compare (read_c0_count() - 1);
-	clear_c0_cause(CPUCTR_IMASKBIT);
-	evpe(vpflags);
+	if (read_c0_cause() & (1 << 26))
+		perf_irq(regs);
 
-	if (cpu_data[cpu].vpe_id == 0) {
-		timer_interrupt(irq, dev_id, regs);
-		scroll_display_message();
-	} else
-		write_c0_compare (read_c0_count() + ( mips_hpt_frequency/HZ));
-	smtc_timer_broadcast(cpu_data[cpu].vpe_id);
-
-	if (cpu != 0)
+	if (read_c0_cause() & (1 << 30)) {
+		/* If timer interrupt, make it de-assert */
+		write_c0_compare (read_c0_count() - 1);
 		/*
-		 * Other CPUs should do profiling and process accounting
+		 * DVPE is necessary so long as cross-VPE interrupts
+		 * are done via read-modify-write of Cause register.
 		 */
-		local_timer_interrupt(irq, dev_id, regs);
-
+		vpflags = dvpe();
+		clear_c0_cause(CPUCTR_IMASKBIT);
+		evpe(vpflags);
+		/*
+		 * There are things we only want to do once per tick
+		 * in an "MP" system.   One TC of each VPE will take
+		 * the actual timer interrupt.  The others will get
+		 * timer broadcast IPIs. We use whoever it is that takes
+		 * the tick on VPE 0 to run the full timer_interrupt().
+		 */
+		if (cpu_data[cpu].vpe_id == 0) {
+				timer_interrupt(irq, NULL, regs);
+				smtc_timer_broadcast(cpu_data[cpu].vpe_id);
+				scroll_display_message();
+		} else {
+			write_c0_compare(read_c0_count() +
+			                 (mips_hpt_frequency/HZ));
+			local_timer_interrupt(irq, dev_id, regs);
+			smtc_timer_broadcast(cpu_data[cpu].vpe_id);
+		}
+	}
 #else /* CONFIG_MIPS_MT_SMTC */
+	int r2 = cpu_has_mips_r2;
+
 	if (cpu == 0) {
 		/*
 		 * CPU 0 handles the global timer interrupt job and process
@@ -161,9 +182,8 @@ irqreturn_t mips_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 		 */
 		local_timer_interrupt(irq, dev_id, regs);
 	}
-#endif /* CONFIG_MIPS_MT_SMTC */
-
 out:
+#endif /* CONFIG_MIPS_MT_SMTC */
 	return IRQ_HANDLED;
 }
 
diff --git a/arch/mips/mm/c-r3k.c b/arch/mips/mm/c-r3k.c
index bb041a22f20a..e1f35ef81145 100644
--- a/arch/mips/mm/c-r3k.c
+++ b/arch/mips/mm/c-r3k.c
@@ -335,7 +335,7 @@ void __init r3k_cache_init(void)
 	flush_cache_mm = r3k_flush_cache_mm;
 	flush_cache_range = r3k_flush_cache_range;
 	flush_cache_page = r3k_flush_cache_page;
-	flush_icache_page = r3k_flush_icache_page;
+	__flush_icache_page = r3k_flush_icache_page;
 	flush_icache_range = r3k_flush_icache_range;
 
 	flush_cache_sigtramp = r3k_flush_cache_sigtramp;
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 069803f58f3b..0b2da53750bd 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -89,7 +89,7 @@ static inline void r4k_blast_dcache_page_dc32(unsigned long addr)
 	blast_dcache32_page(addr);
 }
 
-static inline void r4k_blast_dcache_page_setup(void)
+static void __init r4k_blast_dcache_page_setup(void)
 {
 	unsigned long  dc_lsize = cpu_dcache_line_size();
 
@@ -103,7 +103,7 @@ static inline void r4k_blast_dcache_page_setup(void)
 
 static void (* r4k_blast_dcache_page_indexed)(unsigned long addr);
 
-static inline void r4k_blast_dcache_page_indexed_setup(void)
+static void __init r4k_blast_dcache_page_indexed_setup(void)
 {
 	unsigned long dc_lsize = cpu_dcache_line_size();
 
@@ -117,7 +117,7 @@ static inline void r4k_blast_dcache_page_indexed_setup(void)
 
 static void (* r4k_blast_dcache)(void);
 
-static inline void r4k_blast_dcache_setup(void)
+static void __init r4k_blast_dcache_setup(void)
 {
 	unsigned long dc_lsize = cpu_dcache_line_size();
 
@@ -202,7 +202,7 @@ static inline void tx49_blast_icache32_page_indexed(unsigned long page)
 
 static void (* r4k_blast_icache_page)(unsigned long addr);
 
-static inline void r4k_blast_icache_page_setup(void)
+static void __init r4k_blast_icache_page_setup(void)
 {
 	unsigned long ic_lsize = cpu_icache_line_size();
 
@@ -219,7 +219,7 @@ static inline void r4k_blast_icache_page_setup(void)
 
 static void (* r4k_blast_icache_page_indexed)(unsigned long addr);
 
-static inline void r4k_blast_icache_page_indexed_setup(void)
+static void __init r4k_blast_icache_page_indexed_setup(void)
 {
 	unsigned long ic_lsize = cpu_icache_line_size();
 
@@ -243,7 +243,7 @@ static inline void r4k_blast_icache_page_indexed_setup(void)
 
 static void (* r4k_blast_icache)(void);
 
-static inline void r4k_blast_icache_setup(void)
+static void __init r4k_blast_icache_setup(void)
 {
 	unsigned long ic_lsize = cpu_icache_line_size();
 
@@ -264,7 +264,7 @@ static inline void r4k_blast_icache_setup(void)
 
 static void (* r4k_blast_scache_page)(unsigned long addr);
 
-static inline void r4k_blast_scache_page_setup(void)
+static void __init r4k_blast_scache_page_setup(void)
 {
 	unsigned long sc_lsize = cpu_scache_line_size();
 
@@ -282,7 +282,7 @@ static inline void r4k_blast_scache_page_setup(void)
 
 static void (* r4k_blast_scache_page_indexed)(unsigned long addr);
 
-static inline void r4k_blast_scache_page_indexed_setup(void)
+static void __init r4k_blast_scache_page_indexed_setup(void)
 {
 	unsigned long sc_lsize = cpu_scache_line_size();
 
@@ -300,7 +300,7 @@ static inline void r4k_blast_scache_page_indexed_setup(void)
 
 static void (* r4k_blast_scache)(void);
 
-static inline void r4k_blast_scache_setup(void)
+static void __init r4k_blast_scache_setup(void)
 {
 	unsigned long sc_lsize = cpu_scache_line_size();
 
@@ -475,7 +475,7 @@ static inline void local_r4k_flush_cache_page(void *args)
 		}
 	}
 	if (exec) {
-		if (cpu_has_vtag_icache) {
+		if (cpu_has_vtag_icache && mm == current->active_mm) {
 			int cpu = smp_processor_id();
 
 			if (cpu_context(cpu, mm) != 0)
@@ -599,7 +599,7 @@ static inline void local_r4k_flush_icache_page(void *args)
 	 * We're not sure of the virtual address(es) involved here, so
 	 * we have to flush the entire I-cache.
 	 */
-	if (cpu_has_vtag_icache) {
+	if (cpu_has_vtag_icache && vma->vm_mm == current->active_mm) {
 		int cpu = smp_processor_id();
 
 		if (cpu_context(cpu, vma->vm_mm) != 0)
@@ -1221,7 +1221,7 @@ void au1x00_fixup_config_od(void)
 	}
 }
 
-static inline void coherency_setup(void)
+static void __init coherency_setup(void)
 {
 	change_c0_config(CONF_CM_CMASK, CONF_CM_DEFAULT);
 
@@ -1242,7 +1242,7 @@ static inline void coherency_setup(void)
 		clear_c0_config(CONF_CU);
 		break;
 	/*
-	 * We need to catch the ealry Alchemy SOCs with
+	 * We need to catch the early Alchemy SOCs with
 	 * the write-only co_config.od bit and set it back to one...
 	 */
 	case CPU_AU1000: /* rev. DA, HA, HB */
@@ -1291,7 +1291,7 @@ void __init r4k_cache_init(void)
 	__flush_cache_all	= r4k___flush_cache_all;
 	flush_cache_mm		= r4k_flush_cache_mm;
 	flush_cache_page	= r4k_flush_cache_page;
-	flush_icache_page	= r4k_flush_icache_page;
+	__flush_icache_page	= r4k_flush_icache_page;
 	flush_cache_range	= r4k_flush_cache_range;
 
 	flush_cache_sigtramp	= r4k_flush_cache_sigtramp;
diff --git a/arch/mips/mm/c-sb1.c b/arch/mips/mm/c-sb1.c
index 2d71efb82ac5..16bad7c0a63f 100644
--- a/arch/mips/mm/c-sb1.c
+++ b/arch/mips/mm/c-sb1.c
@@ -155,6 +155,26 @@ static inline void __sb1_flush_icache_all(void)
 }
 
 /*
+ * Invalidate a range of the icache.  The addresses are virtual, and
+ * the cache is virtually indexed and tagged.  However, we don't
+ * necessarily have the right ASID context, so use index ops instead
+ * of hit ops.
+ */
+static inline void __sb1_flush_icache_range(unsigned long start,
+	unsigned long end)
+{
+	start &= ~(icache_line_size - 1);
+	end = (end + icache_line_size - 1) & ~(icache_line_size - 1);
+
+	while (start != end) {
+		cache_set_op(Index_Invalidate_I, start & icache_index_mask);
+		start += icache_line_size;
+	}
+	mispredict();
+	sync();
+}
+
+/*
  * Flush the icache for a given physical page.  Need to writeback the
  * dcache first, then invalidate the icache.  If the page isn't
  * executable, nothing is required.
@@ -173,8 +193,11 @@ static void local_sb1_flush_cache_page(struct vm_area_struct *vma, unsigned long
 	/*
 	 * Bumping the ASID is probably cheaper than the flush ...
 	 */
-	if (cpu_context(cpu, vma->vm_mm) != 0)
-		drop_mmu_context(vma->vm_mm, cpu);
+	if (vma->vm_mm == current->active_mm) {
+		if (cpu_context(cpu, vma->vm_mm) != 0)
+			drop_mmu_context(vma->vm_mm, cpu);
+	} else
+		__sb1_flush_icache_range(addr, addr + PAGE_SIZE);
 }
 
 #ifdef CONFIG_SMP
@@ -210,26 +233,6 @@ void sb1_flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsign
 	__attribute__((alias("local_sb1_flush_cache_page")));
 #endif
 
-/*
- * Invalidate a range of the icache.  The addresses are virtual, and
- * the cache is virtually indexed and tagged.  However, we don't
- * necessarily have the right ASID context, so use index ops instead
- * of hit ops.
- */
-static inline void __sb1_flush_icache_range(unsigned long start,
-	unsigned long end)
-{
-	start &= ~(icache_line_size - 1);
-	end = (end + icache_line_size - 1) & ~(icache_line_size - 1);
-
-	while (start != end) {
-		cache_set_op(Index_Invalidate_I, start & icache_index_mask);
-		start += icache_line_size;
-	}
-	mispredict();
-	sync();
-}
-
 
 /*
  * Invalidate all caches on this CPU
@@ -326,9 +329,12 @@ static void local_sb1_flush_icache_page(struct vm_area_struct *vma,
 	 * If there's a context, bump the ASID (cheaper than a flush,
 	 * since we don't know VAs!)
 	 */
-	if (cpu_context(cpu, vma->vm_mm) != 0) {
-		drop_mmu_context(vma->vm_mm, cpu);
-	}
+	if (vma->vm_mm == current->active_mm) {
+		if (cpu_context(cpu, vma->vm_mm) != 0)
+			drop_mmu_context(vma->vm_mm, cpu);
+	} else
+		__sb1_flush_icache_range(start, start + PAGE_SIZE);
+
 }
 
 #ifdef CONFIG_SMP
@@ -520,7 +526,7 @@ void sb1_cache_init(void)
 
 	/* These routines are for Icache coherence with the Dcache */
 	flush_icache_range = sb1_flush_icache_range;
-	flush_icache_page = sb1_flush_icache_page;
+	__flush_icache_page = sb1_flush_icache_page;
 	flush_icache_all = __sb1_flush_icache_all; /* local only */
 
 	/* This implies an Icache flush too, so can't be nop'ed */
diff --git a/arch/mips/mm/c-tx39.c b/arch/mips/mm/c-tx39.c
index 5dfc9b1901f6..932a09d7ef84 100644
--- a/arch/mips/mm/c-tx39.c
+++ b/arch/mips/mm/c-tx39.c
@@ -382,7 +382,7 @@ void __init tx39_cache_init(void)
 		flush_cache_mm		= (void *) tx39h_flush_icache_all;
 		flush_cache_range	= (void *) tx39h_flush_icache_all;
 		flush_cache_page	= (void *) tx39h_flush_icache_all;
-		flush_icache_page	= (void *) tx39h_flush_icache_all;
+		__flush_icache_page	= (void *) tx39h_flush_icache_all;
 		flush_icache_range	= (void *) tx39h_flush_icache_all;
 
 		flush_cache_sigtramp	= (void *) tx39h_flush_icache_all;
@@ -408,7 +408,7 @@ void __init tx39_cache_init(void)
 		flush_cache_mm = tx39_flush_cache_mm;
 		flush_cache_range = tx39_flush_cache_range;
 		flush_cache_page = tx39_flush_cache_page;
-		flush_icache_page = tx39_flush_icache_page;
+		__flush_icache_page = tx39_flush_icache_page;
 		flush_icache_range = tx39_flush_icache_range;
 
 		flush_cache_sigtramp = tx39_flush_cache_sigtramp;
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index ddd3a2de1d73..40c8b0235183 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -25,7 +25,7 @@ void (*flush_cache_range)(struct vm_area_struct *vma, unsigned long start,
 void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page,
 	unsigned long pfn);
 void (*flush_icache_range)(unsigned long start, unsigned long end);
-void (*flush_icache_page)(struct vm_area_struct *vma, struct page *page);
+void (*__flush_icache_page)(struct vm_area_struct *vma, struct page *page);
 
 /* MIPS specific cache operations */
 void (*flush_cache_sigtramp)(unsigned long addr);
@@ -70,6 +70,8 @@ void __flush_dcache_page(struct page *page)
 	struct address_space *mapping = page_mapping(page);
 	unsigned long addr;
 
+	if (PageHighMem(page))
+		return;
 	if (mapping && !mapping_mapped(mapping)) {
 		SetPageDcacheDirty(page);
 		return;
@@ -91,16 +93,16 @@ void __update_cache(struct vm_area_struct *vma, unsigned long address,
 {
 	struct page *page;
 	unsigned long pfn, addr;
+	int exec = (vma->vm_flags & VM_EXEC) && !cpu_has_ic_fills_f_dc;
 
 	pfn = pte_pfn(pte);
-	if (pfn_valid(pfn) && (page = pfn_to_page(pfn), page_mapping(page)) &&
-	    Page_dcache_dirty(page)) {
-		if (pages_do_alias((unsigned long)page_address(page),
-		                   address & PAGE_MASK)) {
-			addr = (unsigned long) page_address(page);
+	if (unlikely(!pfn_valid(pfn)))
+		return;
+	page = pfn_to_page(pfn);
+	if (page_mapping(page) && Page_dcache_dirty(page)) {
+		addr = (unsigned long) page_address(page);
+		if (exec || pages_do_alias(addr, address & PAGE_MASK))
 			flush_data_cache_page(addr);
-		}
-
 		ClearPageDcacheDirty(page);
 	}
 }
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index e3a617224868..a4f8c45c4e8e 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -89,7 +89,7 @@ good_area:
 		if (!(vma->vm_flags & VM_WRITE))
 			goto bad_area;
 	} else {
-		if (!(vma->vm_flags & (VM_READ | VM_EXEC)))
+		if (!(vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)))
 			goto bad_area;
 	}
 
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index c52497bb102a..5b06349af2d5 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -163,10 +163,10 @@ static int __init page_is_ram(unsigned long pagenr)
 
 void __init paging_init(void)
 {
-	unsigned long zones_size[] = { [0 ... MAX_NR_ZONES - 1] = 0 };
+	unsigned long zones_size[] = { 0, };
 	unsigned long max_dma, high, low;
 #ifndef CONFIG_FLATMEM
-	unsigned long zholes_size[] = { [0 ... MAX_NR_ZONES - 1] = 0 };
+	unsigned long zholes_size[] = { 0, };
 	unsigned long i, j, pfn;
 #endif
 
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index 2cde1b772443..2e0e21ef433e 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -26,11 +26,6 @@ extern void build_tlb_refill_handler(void);
  */
 #define UNIQUE_ENTRYHI(idx) (CKSEG0 + ((idx) << (PAGE_SHIFT + 1)))
 
-/* CP0 hazard avoidance. */
-#define BARRIER __asm__ __volatile__(".set noreorder\n\t" \
-				     "nop; nop; nop; nop; nop; nop;\n\t" \
-				     ".set reorder\n\t")
-
 /* Atomicity and interruptability */
 #ifdef CONFIG_MIPS_MT_SMTC
 
@@ -126,7 +121,7 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
 				start += (PAGE_SIZE << 1);
 				mtc0_tlbw_hazard();
 				tlb_probe();
-				BARRIER;
+				tlb_probe_hazard();
 				idx = read_c0_index();
 				write_c0_entrylo0(0);
 				write_c0_entrylo1(0);
@@ -168,7 +163,7 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
 			start += (PAGE_SIZE << 1);
 			mtc0_tlbw_hazard();
 			tlb_probe();
-			BARRIER;
+			tlb_probe_hazard();
 			idx = read_c0_index();
 			write_c0_entrylo0(0);
 			write_c0_entrylo1(0);
@@ -202,7 +197,7 @@ void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
 		write_c0_entryhi(page | newpid);
 		mtc0_tlbw_hazard();
 		tlb_probe();
-		BARRIER;
+		tlb_probe_hazard();
 		idx = read_c0_index();
 		write_c0_entrylo0(0);
 		write_c0_entrylo1(0);
@@ -235,7 +230,7 @@ void local_flush_tlb_one(unsigned long page)
 	write_c0_entryhi(page);
 	mtc0_tlbw_hazard();
 	tlb_probe();
-	BARRIER;
+	tlb_probe_hazard();
 	idx = read_c0_index();
 	write_c0_entrylo0(0);
 	write_c0_entrylo1(0);
@@ -279,7 +274,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
 	pgdp = pgd_offset(vma->vm_mm, address);
 	mtc0_tlbw_hazard();
 	tlb_probe();
-	BARRIER;
+	tlb_probe_hazard();
 	pudp = pud_offset(pgdp, address);
 	pmdp = pmd_offset(pudp, address);
 	idx = read_c0_index();
@@ -320,7 +315,7 @@ static void r4k_update_mmu_cache_hwbug(struct vm_area_struct * vma,
 	pgdp = pgd_offset(vma->vm_mm, address);
 	mtc0_tlbw_hazard();
 	tlb_probe();
-	BARRIER;
+	tlb_probe_hazard();
 	pmdp = pmd_offset(pgdp, address);
 	idx = read_c0_index();
 	ptep = pte_offset_map(pmdp, address);
@@ -351,7 +346,7 @@ void __init add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
 	wired = read_c0_wired();
 	write_c0_wired(wired + 1);
 	write_c0_index(wired);
-	BARRIER;
+	tlbw_use_hazard();	/* What is the hazard here? */
 	write_c0_pagemask(pagemask);
 	write_c0_entryhi(entryhi);
 	write_c0_entrylo0(entrylo0);
@@ -361,7 +356,7 @@ void __init add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
 	tlbw_use_hazard();
 
 	write_c0_entryhi(old_ctx);
-	BARRIER;
+	tlbw_use_hazard();	/* What is the hazard here? */
 	write_c0_pagemask(old_pagemask);
 	local_flush_tlb_all();
 	EXIT_CRITICAL(flags);
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 35d5927706ea..edefa97b2330 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -11,7 +11,6 @@ obj-$(CONFIG_ITE_BOARD_GEN)	+= ops-it8172.o
 obj-$(CONFIG_MIPS_BONITO64)	+= ops-bonito64.o
 obj-$(CONFIG_MIPS_GT64111)	+= ops-gt64111.o
 obj-$(CONFIG_MIPS_GT64120)	+= ops-gt64120.o
-obj-$(CONFIG_MIPS_GT96100)	+= ops-gt96100.o
 obj-$(CONFIG_PCI_MARVELL)	+= ops-marvell.o
 obj-$(CONFIG_MIPS_MSC)		+= ops-msc.o
 obj-$(CONFIG_MIPS_NILE4)	+= ops-nile4.o
@@ -28,8 +27,7 @@ obj-$(CONFIG_DDB5477)		+= fixup-ddb5477.o pci-ddb5477.o ops-ddb5477.o
 obj-$(CONFIG_LASAT)		+= pci-lasat.o
 obj-$(CONFIG_MIPS_ATLAS)	+= fixup-atlas.o
 obj-$(CONFIG_MIPS_COBALT)	+= fixup-cobalt.o
-obj-$(CONFIG_MIPS_EV96100)	+= fixup-ev64120.o
-obj-$(CONFIG_MIPS_EV96100)	+= fixup-ev96100.o pci-ev96100.o
+obj-$(CONFIG_MIPS_EV64120)	+= fixup-ev64120.o
 obj-$(CONFIG_MIPS_ITE8172)	+= fixup-ite8172g.o
 obj-$(CONFIG_MIPS_IVR)		+= fixup-ivr.o
 obj-$(CONFIG_SOC_AU1500)	+= fixup-au1000.o ops-au1000.o
diff --git a/arch/mips/pci/fixup-atlas.c b/arch/mips/pci/fixup-atlas.c
index 439510af3037..c6cd6e9cdfbc 100644
--- a/arch/mips/pci/fixup-atlas.c
+++ b/arch/mips/pci/fixup-atlas.c
@@ -21,16 +21,16 @@
 
 #include <asm/mips-boards/atlasint.h>
 
-#define PCIA		ATLASINT_PCIA
-#define PCIB		ATLASINT_PCIB
-#define PCIC		ATLASINT_PCIC
-#define PCID		ATLASINT_PCID
-#define INTA		ATLASINT_INTA
-#define INTB		ATLASINT_INTB
-#define ETH		ATLASINT_ETH
-#define INTC		ATLASINT_INTC
-#define SCSI		ATLASINT_SCSI
-#define INTD		ATLASINT_INTD
+#define PCIA		ATLAS_INT_PCIA
+#define PCIB		ATLAS_INT_PCIB
+#define PCIC		ATLAS_INT_PCIC
+#define PCID		ATLAS_INT_PCID
+#define INTA		ATLAS_INT_INTA
+#define INTB		ATLAS_INT_INTB
+#define ETH		ATLAS_INT_ETH
+#define INTC		ATLAS_INT_INTC
+#define SCSI		ATLAS_INT_SCSI
+#define INTD		ATLAS_INT_INTD
 
 static char irq_tab[][5] __initdata = {
 	/*      INTA    INTB    INTC    INTD */
diff --git a/arch/mips/pci/fixup-ev96100.c b/arch/mips/pci/fixup-ev96100.c
deleted file mode 100644
index e2bc977b6d58..000000000000
--- a/arch/mips/pci/fixup-ev96100.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- *
- * BRIEF MODULE DESCRIPTION
- *	EV96100 Board specific pci fixups.
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-
-static char irq_tab_ev96100[][5] __initdata = {
- [8] = { 0, 5, 5, 5, 5 },
- [9] = { 0, 2, 2, 2, 2 }
-};
-
-int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
-	return irq_tab_ev96100[slot][pin];
-}
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
-	return 0;
-}
diff --git a/arch/mips/pci/ops-au1000.c b/arch/mips/pci/ops-au1000.c
index 0c0c1e6519f9..8ae46481fcb7 100644
--- a/arch/mips/pci/ops-au1000.c
+++ b/arch/mips/pci/ops-au1000.c
@@ -110,7 +110,7 @@ static int config_access(unsigned char access_type, struct pci_bus *bus,
 	if (first_cfg) {
 		/* reserve a wired entry for pci config accesses */
 		first_cfg = 0;
-		pci_cfg_vm = get_vm_area(0x2000, 0);
+		pci_cfg_vm = get_vm_area(0x2000, VM_IOREMAP);
 		if (!pci_cfg_vm)
 			panic (KERN_ERR "PCI unable to get vm area\n");
 		pci_cfg_wired_entry = read_c0_wired();
diff --git a/arch/mips/pci/ops-gt96100.c b/arch/mips/pci/ops-gt96100.c
deleted file mode 100644
index 9e4ea6627e21..000000000000
--- a/arch/mips/pci/ops-gt96100.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- *
- * BRIEF MODULE DESCRIPTION
- *	Galileo EV96100 board specific pci support.
- *
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
- *
- * This file was derived from Carsten Langgaard's
- * arch/mips/mips-boards/generic/pci.c
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <asm/delay.h>
-#include <asm/gt64120.h>
-#include <asm/galileo-boards/ev96100.h>
-
-#define PCI_ACCESS_READ  0
-#define PCI_ACCESS_WRITE 1
-
-static int static gt96100_config_access(unsigned char access_type,
-	struct pci_bus *bus, unsigned int devfn, int where, u32 * data)
-{
-	unsigned char bus = bus->number;
-	u32 intr;
-
-	/*
-	 * Because of a bug in the galileo (for slot 31).
-	 */
-	if (bus == 0 && devfn >= PCI_DEVFN(31, 0))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	/* Clear cause register bits */
-	GT_WRITE(GT_INTRCAUSE_OFS, ~(GT_INTRCAUSE_MASABORT0_BIT |
-				     GT_INTRCAUSE_TARABORT0_BIT));
-
-	/* Setup address */
-	GT_WRITE(GT_PCI0_CFGADDR_OFS,
-		 (bus << GT_PCI0_CFGADDR_BUSNUM_SHF) |
-		 (devfn << GT_PCI0_CFGADDR_FUNCTNUM_SHF) |
-		 ((where / 4) << GT_PCI0_CFGADDR_REGNUM_SHF) |
-		 GT_PCI0_CFGADDR_CONFIGEN_BIT);
-	udelay(2);
-
-
-	if (access_type == PCI_ACCESS_WRITE) {
-		if (devfn != 0)
-			*data = le32_to_cpu(*data);
-		GT_WRITE(GT_PCI0_CFGDATA_OFS, *data);
-	} else {
-		*data = GT_READ(GT_PCI0_CFGDATA_OFS);
-		if (devfn != 0)
-			*data = le32_to_cpu(*data);
-	}
-
-	udelay(2);
-
-	/* Check for master or target abort */
-	intr = GT_READ(GT_INTRCAUSE_OFS);
-
-	if (intr & (GT_INTRCAUSE_MASABORT0_BIT | GT_INTRCAUSE_TARABORT0_BIT)) {
-		/* Error occured */
-
-		/* Clear bits */
-		GT_WRITE(GT_INTRCAUSE_OFS, ~(GT_INTRCAUSE_MASABORT0_BIT |
-					     GT_INTRCAUSE_TARABORT0_BIT));
-		return -1;
-	}
-	return 0;
-}
-
-/*
- * We can't address 8 and 16 bit words directly.  Instead we have to
- * read/write a 32bit word and mask/modify the data we actually want.
- */
-static int gt96100_pcibios_read(struct pci_bus *bus, unsigned int devfn,
-	int where, int size, u32 * val)
-{
-	u32 data = 0;
-
-	if (gt96100_config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	switch (size) {
-	case 1:
-		*val = (data >> ((where & 3) << 3)) & 0xff;
-		break;
-
-	case 2:
-		*val = (data >> ((where & 3) << 3)) & 0xffff;
-		break;
-
-	case 4:
-		*val = data;
-		break;
-	}
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int gt96100_pcibios_write(struct pci_bus *bus, unsigned int devfn,
-	int where, int size, u32 val)
-{
-	u32 data = 0;
-
-	switch (size) {
-	case 1:
-		if (gt96100_config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
-			return -1;
-
-		data = (data & ~(0xff << ((where & 3) << 3))) |
-		       (val << ((where & 3) << 3));
-
-		if (gt96100_config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
-			return -1;
-
-		return PCIBIOS_SUCCESSFUL;
-
-	case 2:
-		if (gt96100_config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
-			return -1;
-
-		data = (data & ~(0xffff << ((where & 3) << 3))) |
-		       (val << ((where & 3) << 3));
-
-		if (gt96100_config_access(PCI_ACCESS_WRITE, dev, where, &data))
-			return -1;
-
-
-		return PCIBIOS_SUCCESSFUL;
-
-	case 4:
-		if (gt96100_config_access(PCI_ACCESS_WRITE, dev, where, &val))
-			return -1;
-
-		return PCIBIOS_SUCCESSFUL;
-	}
-}
-
-struct pci_ops gt96100_pci_ops = {
-	.read	= gt96100_pcibios_read,
-	.write	= gt96100_pcibios_write
-};
diff --git a/arch/mips/pci/pci-ev96100.c b/arch/mips/pci/pci-ev96100.c
deleted file mode 100644
index f9457ea00def..000000000000
--- a/arch/mips/pci/pci-ev96100.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright 2000 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- *         	ppopov@mvista.com or source@mvista.com
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc.  All rights reserved.
- *
- * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
- *
- *  This program is free software; you can redistribute  it and/or modify it
- *  under  the terms of  the GNU General  Public License as published by the
- *  Free Software Foundation;  either version 2 of the  License, or (at your
- *  option) any later version.
- *
- *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  You should have received a copy of the  GNU General Public License along
- *  with this program; if not, write  to the Free Software Foundation, Inc.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-static struct resource pci_io_resource = {
-	.name	= "io pci IO space",
-	.start	= 0x10000000,
-	.end	= 0x11ffffff,
-	.flags	= IORESOURCE_IO
-};
-
-static struct resource pci_mem_resource = {
-	.name	= "ext pci memory space",
-	.start	= 0x12000000,
-	.end	= 0x13ffffff,
-	.flags	= IORESOURCE_MEM
-};
-
-extern struct pci_ops gt96100_pci_ops;
-
-struct pci_controller ev96100_controller = {
-	.pci_ops	= &gt96100_pci_ops,
-	.io_resource	= &pci_io_resource,
-	.mem_resource	= &pci_mem_resource,
-};
-
-static void ev96100_pci_init(void)
-{
-	register_pci_controller(&ev96100_controller);
-}
-
-arch_initcall(ev96100_pci_init);
diff --git a/arch/mips/pci/pci-ip27.c b/arch/mips/pci/pci-ip27.c
index 80eb9af9ecdf..405ce0152739 100644
--- a/arch/mips/pci/pci-ip27.c
+++ b/arch/mips/pci/pci-ip27.c
@@ -16,8 +16,6 @@
 #include <asm/sn/intr.h>
 #include <asm/sn/sn0/hub.h>
 
-extern unsigned int allocate_irqno(void);
-
 /*
  * Max #PCI busses we can handle; ie, max #PCI bridges.
  */
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index efe6971fc800..16e5682b01f1 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -19,6 +19,7 @@
 #include <linux/swap.h>
 #include <linux/bootmem.h>
 #include <linux/pfn.h>
+#include <linux/highmem.h>
 #include <asm/page.h>
 #include <asm/sections.h>
 
@@ -508,7 +509,7 @@ extern unsigned long setup_zero_pages(void);
 
 void __init paging_init(void)
 {
-	unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+	unsigned long zones_size[MAX_NR_ZONES] = {0, };
 	unsigned node;
 
 	pagetable_init();
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c
index ed325f0ab28a..a0222fa4416c 100644
--- a/arch/mips/sibyte/bcm1480/irq.c
+++ b/arch/mips/sibyte/bcm1480/irq.c
@@ -469,21 +469,6 @@ void bcm1480_kgdb_interrupt(struct pt_regs *regs)
 
 #endif 	/* CONFIG_KGDB */
 
-static inline int dclz(unsigned long long x)
-{
-	int lz;
-
-	__asm__ (
-	"	.set	push						\n"
-	"	.set	mips64						\n"
-	"	dclz	%0, %1						\n"
-	"	.set	pop						\n"
-	: "=r" (lz)
-	: "r" (x));
-
-	return lz;
-}
-
 extern void bcm1480_timer_interrupt(struct pt_regs *regs);
 extern void bcm1480_mailbox_interrupt(struct pt_regs *regs);
 extern void bcm1480_kgdb_interrupt(struct pt_regs *regs);
@@ -536,9 +521,9 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
 
 		if (mask_h) {
 			if (mask_h ^ 1)
-				do_IRQ(63 - dclz(mask_h), regs);
+				do_IRQ(fls64(mask_h) - 1, regs);
 			else
-				do_IRQ(127 - dclz(mask_l), regs);
+				do_IRQ(63 + fls64(mask_l), regs);
 		}
 	}
 }
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c
index 1de71adec6c6..a451b4c7732d 100644
--- a/arch/mips/sibyte/sb1250/irq.c
+++ b/arch/mips/sibyte/sb1250/irq.c
@@ -419,21 +419,6 @@ static void sb1250_kgdb_interrupt(struct pt_regs *regs)
 
 #endif 	/* CONFIG_KGDB */
 
-static inline int dclz(unsigned long long x)
-{
-	int lz;
-
-	__asm__ (
-	"	.set	push						\n"
-	"	.set	mips64						\n"
-	"	dclz	%0, %1						\n"
-	"	.set	pop						\n"
-	: "=r" (lz)
-	: "r" (x));
-
-	return lz;
-}
-
 extern void sb1250_timer_interrupt(struct pt_regs *regs);
 extern void sb1250_mailbox_interrupt(struct pt_regs *regs);
 extern void sb1250_kgdb_interrupt(struct pt_regs *regs);
@@ -490,6 +475,6 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
 		mask = __raw_readq(IOADDR(A_IMR_REGISTER(smp_processor_id(),
 		                              R_IMR_INTERRUPT_STATUS_BASE)));
 		if (mask)
-			do_IRQ(63 - dclz(mask), regs);
+			do_IRQ(fls64(mask) - 1, regs);
 	}
 }
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index f2b96f1e0da7..25ad28d63e88 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -551,7 +551,7 @@ void show_mem(void)
 
 				printk("Zone list for zone %d on node %d: ", j, i);
 				for (k = 0; zl->zones[k] != NULL; k++) 
-					printk("[%d/%s] ", zl->zones[k]->zone_pgdat->node_id, zl->zones[k]->name);
+					printk("[%d/%s] ", zone_to_nid(zl->zones[k]), zl->zones[k]->name);
 				printk("\n");
 			}
 		}
@@ -809,7 +809,7 @@ void __init paging_init(void)
 	flush_tlb_all_local(NULL);
 
 	for (i = 0; i < npmem_ranges; i++) {
-		unsigned long zones_size[MAX_NR_ZONES] = { 0, 0, 0 };
+		unsigned long zones_size[MAX_NR_ZONES] = { 0, };
 
 		/* We have an IOMMU, so all memory can go into a single
 		   ZONE_DMA zone. */
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index de1ef2fa1a20..a0dd1b0ee483 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -731,11 +731,10 @@ config ARCH_SPARSEMEM_DEFAULT
 	def_bool y
 	depends on SMP && PPC_PSERIES
 
-source "mm/Kconfig"
-
-config HAVE_ARCH_EARLY_PFN_TO_NID
+config ARCH_POPULATES_NODE_MAP
 	def_bool y
-	depends on NEED_MULTIPLE_NODES
+
+source "mm/Kconfig"
 
 config ARCH_MEMORY_PROBE
 	def_bool y
diff --git a/arch/powerpc/kernel/swsusp_32.S b/arch/powerpc/kernel/swsusp_32.S
index 7369f9a6ad25..69e8f86aa4f8 100644
--- a/arch/powerpc/kernel/swsusp_32.S
+++ b/arch/powerpc/kernel/swsusp_32.S
@@ -159,8 +159,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
 	isync
 
 	/* Load ptr the list of pages to copy in r3 */
-	lis	r11,(pagedir_nosave - KERNELBASE)@h
-	ori	r11,r11,pagedir_nosave@l
+	lis	r11,(restore_pblist - KERNELBASE)@h
+	ori	r11,r11,restore_pblist@l
 	lwz	r10,0(r11)
 
 	/* Copy the pages. This is a very basic implementation, to
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index 2e292863e982..5e391fc25340 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -740,7 +740,7 @@ asmlinkage long compat_sys_umask(u32 mask)
 	return sys_umask((int)mask);
 }
 
-#ifdef CONFIG_SYSCTL
+#ifdef CONFIG_SYSCTL_SYSCALL
 struct __sysctl_args32 {
 	u32 name;
 	int nlen;
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index eebd8b83a6b0..16fe027bbc12 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -256,20 +256,22 @@ void __init do_init_bootmem(void)
 
 	boot_mapsize = init_bootmem(start >> PAGE_SHIFT, total_pages);
 
+	/* Add active regions with valid PFNs */
+	for (i = 0; i < lmb.memory.cnt; i++) {
+		unsigned long start_pfn, end_pfn;
+		start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT;
+		end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i);
+		add_active_range(0, start_pfn, end_pfn);
+	}
+
 	/* Add all physical memory to the bootmem map, mark each area
 	 * present.
 	 */
-	for (i = 0; i < lmb.memory.cnt; i++) {
-		unsigned long base = lmb.memory.region[i].base;
-		unsigned long size = lmb_size_bytes(&lmb.memory, i);
 #ifdef CONFIG_HIGHMEM
-		if (base >= total_lowmem)
-			continue;
-		if (base + size > total_lowmem)
-			size = total_lowmem - base;
+	free_bootmem_with_active_regions(0, total_lowmem >> PAGE_SHIFT);
+#else
+	free_bootmem_with_active_regions(0, max_pfn);
 #endif
-		free_bootmem(base, size);
-	}
 
 	/* reserve the sections we're already using */
 	for (i = 0; i < lmb.reserved.cnt; i++)
@@ -277,9 +279,8 @@ void __init do_init_bootmem(void)
 				lmb_size_bytes(&lmb.reserved, i));
 
 	/* XXX need to clip this if using highmem? */
-	for (i = 0; i < lmb.memory.cnt; i++)
-		memory_present(0, lmb_start_pfn(&lmb.memory, i),
-			       lmb_end_pfn(&lmb.memory, i));
+	sparse_memory_present_with_active_regions(0);
+
 	init_bootmem_done = 1;
 }
 
@@ -288,10 +289,9 @@ void __init do_init_bootmem(void)
  */
 void __init paging_init(void)
 {
-	unsigned long zones_size[MAX_NR_ZONES];
-	unsigned long zholes_size[MAX_NR_ZONES];
 	unsigned long total_ram = lmb_phys_mem_size();
 	unsigned long top_of_ram = lmb_end_of_DRAM();
+	unsigned long max_zone_pfns[MAX_NR_ZONES];
 
 #ifdef CONFIG_HIGHMEM
 	map_page(PKMAP_BASE, 0, 0);	/* XXX gross */
@@ -307,26 +307,13 @@ void __init paging_init(void)
 	       top_of_ram, total_ram);
 	printk(KERN_DEBUG "Memory hole size: %ldMB\n",
 	       (top_of_ram - total_ram) >> 20);
-	/*
-	 * All pages are DMA-able so we put them all in the DMA zone.
-	 */
-	memset(zones_size, 0, sizeof(zones_size));
-	memset(zholes_size, 0, sizeof(zholes_size));
-
-	zones_size[ZONE_DMA] = top_of_ram >> PAGE_SHIFT;
-	zholes_size[ZONE_DMA] = (top_of_ram - total_ram) >> PAGE_SHIFT;
-
 #ifdef CONFIG_HIGHMEM
-	zones_size[ZONE_DMA] = total_lowmem >> PAGE_SHIFT;
-	zones_size[ZONE_HIGHMEM] = (total_memory - total_lowmem) >> PAGE_SHIFT;
-	zholes_size[ZONE_HIGHMEM] = (top_of_ram - total_ram) >> PAGE_SHIFT;
+	max_zone_pfns[0] = total_lowmem >> PAGE_SHIFT;
+	max_zone_pfns[1] = top_of_ram >> PAGE_SHIFT;
 #else
-	zones_size[ZONE_DMA] = top_of_ram >> PAGE_SHIFT;
-	zholes_size[ZONE_DMA] = (top_of_ram - total_ram) >> PAGE_SHIFT;
-#endif /* CONFIG_HIGHMEM */
-
-	free_area_init_node(0, NODE_DATA(0), zones_size,
-			    __pa(PAGE_OFFSET) >> PAGE_SHIFT, zholes_size);
+	max_zone_pfns[0] = top_of_ram >> PAGE_SHIFT;
+#endif
+	free_area_init_nodes(max_zone_pfns);
 }
 #endif /* ! CONFIG_NEED_MULTIPLE_NODES */
 
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 6c0f1c7d83e5..43c272075e1a 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -39,96 +39,6 @@ static bootmem_data_t __initdata plat_node_bdata[MAX_NUMNODES];
 static int min_common_depth;
 static int n_mem_addr_cells, n_mem_size_cells;
 
-/*
- * We need somewhere to store start/end/node for each region until we have
- * allocated the real node_data structures.
- */
-#define MAX_REGIONS	(MAX_LMB_REGIONS*2)
-static struct {
-	unsigned long start_pfn;
-	unsigned long end_pfn;
-	int nid;
-} init_node_data[MAX_REGIONS] __initdata;
-
-int __init early_pfn_to_nid(unsigned long pfn)
-{
-	unsigned int i;
-
-	for (i = 0; init_node_data[i].end_pfn; i++) {
-		unsigned long start_pfn = init_node_data[i].start_pfn;
-		unsigned long end_pfn = init_node_data[i].end_pfn;
-
-		if ((start_pfn <= pfn) && (pfn < end_pfn))
-			return init_node_data[i].nid;
-	}
-
-	return -1;
-}
-
-void __init add_region(unsigned int nid, unsigned long start_pfn,
-		       unsigned long pages)
-{
-	unsigned int i;
-
-	dbg("add_region nid %d start_pfn 0x%lx pages 0x%lx\n",
-		nid, start_pfn, pages);
-
-	for (i = 0; init_node_data[i].end_pfn; i++) {
-		if (init_node_data[i].nid != nid)
-			continue;
-		if (init_node_data[i].end_pfn == start_pfn) {
-			init_node_data[i].end_pfn += pages;
-			return;
-		}
-		if (init_node_data[i].start_pfn == (start_pfn + pages)) {
-			init_node_data[i].start_pfn -= pages;
-			return;
-		}
-	}
-
-	/*
-	 * Leave last entry NULL so we dont iterate off the end (we use
-	 * entry.end_pfn to terminate the walk).
-	 */
-	if (i >= (MAX_REGIONS - 1)) {
-		printk(KERN_ERR "WARNING: too many memory regions in "
-				"numa code, truncating\n");
-		return;
-	}
-
-	init_node_data[i].start_pfn = start_pfn;
-	init_node_data[i].end_pfn = start_pfn + pages;
-	init_node_data[i].nid = nid;
-}
-
-/* We assume init_node_data has no overlapping regions */
-void __init get_region(unsigned int nid, unsigned long *start_pfn,
-		       unsigned long *end_pfn, unsigned long *pages_present)
-{
-	unsigned int i;
-
-	*start_pfn = -1UL;
-	*end_pfn = *pages_present = 0;
-
-	for (i = 0; init_node_data[i].end_pfn; i++) {
-		if (init_node_data[i].nid != nid)
-			continue;
-
-		*pages_present += init_node_data[i].end_pfn -
-			init_node_data[i].start_pfn;
-
-		if (init_node_data[i].start_pfn < *start_pfn)
-			*start_pfn = init_node_data[i].start_pfn;
-
-		if (init_node_data[i].end_pfn > *end_pfn)
-			*end_pfn = init_node_data[i].end_pfn;
-	}
-
-	/* We didnt find a matching region, return start/end as 0 */
-	if (*start_pfn == -1UL)
-		*start_pfn = 0;
-}
-
 static void __cpuinit map_cpu_to_node(int cpu, int node)
 {
 	numa_cpu_lookup_table[cpu] = node;
@@ -468,8 +378,8 @@ new_range:
 				continue;
 		}
 
-		add_region(nid, start >> PAGE_SHIFT,
-			   size >> PAGE_SHIFT);
+		add_active_range(nid, start >> PAGE_SHIFT,
+				(start >> PAGE_SHIFT) + (size >> PAGE_SHIFT));
 
 		if (--ranges)
 			goto new_range;
@@ -482,6 +392,7 @@ static void __init setup_nonnuma(void)
 {
 	unsigned long top_of_ram = lmb_end_of_DRAM();
 	unsigned long total_ram = lmb_phys_mem_size();
+	unsigned long start_pfn, end_pfn;
 	unsigned int i;
 
 	printk(KERN_DEBUG "Top of RAM: 0x%lx, Total RAM: 0x%lx\n",
@@ -489,9 +400,11 @@ static void __init setup_nonnuma(void)
 	printk(KERN_DEBUG "Memory hole size: %ldMB\n",
 	       (top_of_ram - total_ram) >> 20);
 
-	for (i = 0; i < lmb.memory.cnt; ++i)
-		add_region(0, lmb.memory.region[i].base >> PAGE_SHIFT,
-			   lmb_size_pages(&lmb.memory, i));
+	for (i = 0; i < lmb.memory.cnt; ++i) {
+		start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT;
+		end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i);
+		add_active_range(0, start_pfn, end_pfn);
+	}
 	node_set_online(0);
 }
 
@@ -630,11 +543,11 @@ void __init do_init_bootmem(void)
 			  (void *)(unsigned long)boot_cpuid);
 
 	for_each_online_node(nid) {
-		unsigned long start_pfn, end_pfn, pages_present;
+		unsigned long start_pfn, end_pfn;
 		unsigned long bootmem_paddr;
 		unsigned long bootmap_pages;
 
-		get_region(nid, &start_pfn, &end_pfn, &pages_present);
+		get_pfn_range_for_nid(nid, &start_pfn, &end_pfn);
 
 		/* Allocate the node structure node local if possible */
 		NODE_DATA(nid) = careful_allocation(nid,
@@ -667,19 +580,7 @@ void __init do_init_bootmem(void)
 		init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT,
 				  start_pfn, end_pfn);
 
-		/* Add free regions on this node */
-		for (i = 0; init_node_data[i].end_pfn; i++) {
-			unsigned long start, end;
-
-			if (init_node_data[i].nid != nid)
-				continue;
-
-			start = init_node_data[i].start_pfn << PAGE_SHIFT;
-			end = init_node_data[i].end_pfn << PAGE_SHIFT;
-
-			dbg("free_bootmem %lx %lx\n", start, end - start);
-  			free_bootmem_node(NODE_DATA(nid), start, end - start);
-		}
+		free_bootmem_with_active_regions(nid, end_pfn);
 
 		/* Mark reserved regions on this node */
 		for (i = 0; i < lmb.reserved.cnt; i++) {
@@ -710,44 +611,16 @@ void __init do_init_bootmem(void)
 			}
 		}
 
-		/* Add regions into sparsemem */
-		for (i = 0; init_node_data[i].end_pfn; i++) {
-			unsigned long start, end;
-
-			if (init_node_data[i].nid != nid)
-				continue;
-
-			start = init_node_data[i].start_pfn;
-			end = init_node_data[i].end_pfn;
-
-			memory_present(nid, start, end);
-		}
+		sparse_memory_present_with_active_regions(nid);
 	}
 }
 
 void __init paging_init(void)
 {
-	unsigned long zones_size[MAX_NR_ZONES];
-	unsigned long zholes_size[MAX_NR_ZONES];
-	int nid;
-
-	memset(zones_size, 0, sizeof(zones_size));
-	memset(zholes_size, 0, sizeof(zholes_size));
-
-	for_each_online_node(nid) {
-		unsigned long start_pfn, end_pfn, pages_present;
-
-		get_region(nid, &start_pfn, &end_pfn, &pages_present);
-
-		zones_size[ZONE_DMA] = end_pfn - start_pfn;
-		zholes_size[ZONE_DMA] = zones_size[ZONE_DMA] - pages_present;
-
-		dbg("free_area_init node %d %lx %lx (hole: %lx)\n", nid,
-		    zones_size[ZONE_DMA], start_pfn, zholes_size[ZONE_DMA]);
-
-		free_area_init_node(nid, NODE_DATA(nid), zones_size, start_pfn,
-				    zholes_size);
-	}
+	unsigned long max_zone_pfns[MAX_NR_ZONES] = {
+				lmb_end_of_DRAM() >> PAGE_SHIFT
+	};
+	free_area_init_nodes(max_zone_pfns);
 }
 
 static int __init early_numa(char *p)
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 7b4572805db9..3950ddccb2c8 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -82,7 +82,6 @@ spufs_new_inode(struct super_block *sb, int mode)
 	inode->i_mode = mode;
 	inode->i_uid = current->fsuid;
 	inode->i_gid = current->fsgid;
-	inode->i_blksize = PAGE_CACHE_SIZE;
 	inode->i_blocks = 0;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 out:
@@ -120,7 +119,7 @@ spufs_new_file(struct super_block *sb, struct dentry *dentry,
 	ret = 0;
 	inode->i_op = &spufs_file_iops;
 	inode->i_fop = fops;
-	inode->u.generic_ip = SPUFS_I(inode)->i_ctx = get_spu_context(ctx);
+	inode->i_private = SPUFS_I(inode)->i_ctx = get_spu_context(ctx);
 	d_add(dentry, inode);
 out:
 	return ret;
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index 641e6511cf06..446e17d162a5 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -85,7 +85,7 @@ static int hcall_inst_seq_open(struct inode *inode, struct file *file)
 
 	rc = seq_open(file, &hcall_inst_seq_ops);
 	seq = file->private_data;
-	seq->private = file->f_dentry->d_inode->u.generic_ip;
+	seq->private = file->f_dentry->d_inode->i_private;
 
 	return rc;
 }
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index b604926401f5..723972bb5bd9 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -339,7 +339,7 @@ static void __init mpic_scan_ht_pic(struct mpic *mpic, u8 __iomem *devbase,
 	for (pos = readb(devbase + PCI_CAPABILITY_LIST); pos != 0;
 	     pos = readb(devbase + pos + PCI_CAP_LIST_NEXT)) {
 		u8 id = readb(devbase + pos + PCI_CAP_LIST_ID);
-		if (id == PCI_CAP_ID_HT_IRQCONF) {
+		if (id == PCI_CAP_ID_HT) {
 			id = readb(devbase + pos + 3);
 			if (id == 0x80)
 				break;
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index 8fa10cf661a8..fdd9e7b66244 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -953,6 +953,9 @@ config NR_CPUS
 config HIGHMEM
 	bool "High memory support"
 
+config ARCH_POPULATES_NODE_MAP
+	def_bool y
+
 source kernel/Kconfig.hz
 source kernel/Kconfig.preempt
 source "mm/Kconfig"
diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c
index 523392d460fa..410200046af1 100644
--- a/arch/ppc/mm/init.c
+++ b/arch/ppc/mm/init.c
@@ -358,8 +358,8 @@ void __init do_init_bootmem(void)
  */
 void __init paging_init(void)
 {
-	unsigned long zones_size[MAX_NR_ZONES], i;
-
+	unsigned long start_pfn, end_pfn;
+	unsigned long max_zone_pfns[MAX_NR_ZONES];
 #ifdef CONFIG_HIGHMEM
 	map_page(PKMAP_BASE, 0, 0);	/* XXX gross */
 	pkmap_page_table = pte_offset_kernel(pmd_offset(pgd_offset_k
@@ -369,19 +369,18 @@ void __init paging_init(void)
 			(KMAP_FIX_BEGIN), KMAP_FIX_BEGIN), KMAP_FIX_BEGIN);
 	kmap_prot = PAGE_KERNEL;
 #endif /* CONFIG_HIGHMEM */
-
-	/*
-	 * All pages are DMA-able so we put them all in the DMA zone.
-	 */
-	zones_size[ZONE_DMA] = total_lowmem >> PAGE_SHIFT;
-	for (i = 1; i < MAX_NR_ZONES; i++)
-		zones_size[i] = 0;
+	/* All pages are DMA-able so we put them all in the DMA zone. */
+	start_pfn = __pa(PAGE_OFFSET) >> PAGE_SHIFT;
+	end_pfn = start_pfn + (total_memory >> PAGE_SHIFT);
+	add_active_range(0, start_pfn, end_pfn);
 
 #ifdef CONFIG_HIGHMEM
-	zones_size[ZONE_HIGHMEM] = (total_memory - total_lowmem) >> PAGE_SHIFT;
+	max_zone_pfns[0] = total_lowmem >> PAGE_SHIFT;
+	max_zone_pfns[1] = total_memory >> PAGE_SHIFT;
+#else
+	max_zone_pfns[0] = total_memory >> PAGE_SHIFT;
 #endif /* CONFIG_HIGHMEM */
-
-	free_area_init(zones_size);
+	free_area_init_nodes(max_zone_pfns);
 }
 
 void __init mem_init(void)
diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c
index ab3b0765a64e..8aea3698a77b 100644
--- a/arch/s390/appldata/appldata_mem.c
+++ b/arch/s390/appldata/appldata_mem.c
@@ -117,8 +117,7 @@ static void appldata_get_mem_data(void *data)
 	mem_data->pgpgout    = ev[PGPGOUT] >> 1;
 	mem_data->pswpin     = ev[PSWPIN];
 	mem_data->pswpout    = ev[PSWPOUT];
-	mem_data->pgalloc    = ev[PGALLOC_HIGH] + ev[PGALLOC_NORMAL] +
-			       ev[PGALLOC_DMA];
+	mem_data->pgalloc    = ev[PGALLOC_NORMAL] + ev[PGALLOC_DMA];
 	mem_data->pgfault    = ev[PGFAULT];
 	mem_data->pgmajfault = ev[PGMAJFAULT];
 
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index bdade5f2e325..813fc21358f9 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -91,7 +91,6 @@ static struct inode *hypfs_make_inode(struct super_block *sb, int mode)
 		ret->i_mode = mode;
 		ret->i_uid = hypfs_info->uid;
 		ret->i_gid = hypfs_info->gid;
-		ret->i_blksize = PAGE_CACHE_SIZE;
 		ret->i_blocks = 0;
 		ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
 		if (mode & S_IFDIR)
@@ -104,13 +103,13 @@ static struct inode *hypfs_make_inode(struct super_block *sb, int mode)
 
 static void hypfs_drop_inode(struct inode *inode)
 {
-	kfree(inode->u.generic_ip);
+	kfree(inode->i_private);
 	generic_delete_inode(inode);
 }
 
 static int hypfs_open(struct inode *inode, struct file *filp)
 {
-	char *data = filp->f_dentry->d_inode->u.generic_ip;
+	char *data = filp->f_dentry->d_inode->i_private;
 	struct hypfs_sb_info *fs_info;
 
 	if (filp->f_mode & FMODE_WRITE) {
@@ -352,7 +351,7 @@ static struct dentry *hypfs_create_file(struct super_block *sb,
 		parent->d_inode->i_nlink++;
 	} else
 		BUG();
-	inode->u.generic_ip = data;
+	inode->i_private = data;
 	d_instantiate(dentry, inode);
 	dget(dentry);
 	return dentry;
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 785c9f70ac98..91b2884fa5c4 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -708,7 +708,7 @@ asmlinkage long sys32_sendfile64(int out_fd, int in_fd,
 	return ret;
 }
 
-#ifdef CONFIG_SYSCTL
+#ifdef CONFIG_SYSCTL_SYSCALL
 struct __sysctl_args32 {
 	u32 name;
 	int nlen;
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 7ba20922a535..43f3d0c7e132 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -603,7 +603,7 @@ debug_open(struct inode *inode, struct file *file)
 	debug_info_t *debug_info, *debug_info_snapshot;
 
 	down(&debug_lock);
-	debug_info = (struct debug_info*)file->f_dentry->d_inode->u.generic_ip;
+	debug_info = file->f_dentry->d_inode->i_private;
 	/* find debug view */
 	for (i = 0; i < DEBUG_MAX_VIEWS; i++) {
 		if (!debug_info->views[i])
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index de83f38288d0..d9428a0fc8fb 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -59,9 +59,7 @@ static inline unsigned long save_context_stack(struct stack_trace *trace,
 	}
 }
 
-void save_stack_trace(struct stack_trace *trace,
-		      struct task_struct *task, int all_contexts,
-		      unsigned int skip)
+void save_stack_trace(struct stack_trace *trace, struct task_struct *task)
 {
 	register unsigned long sp asm ("15");
 	unsigned long orig_sp;
@@ -69,22 +67,23 @@ void save_stack_trace(struct stack_trace *trace,
 	sp &= PSW_ADDR_INSN;
 	orig_sp = sp;
 
-	sp = save_context_stack(trace, &skip, sp,
+	sp = save_context_stack(trace, &trace->skip, sp,
 				S390_lowcore.panic_stack - PAGE_SIZE,
 				S390_lowcore.panic_stack);
-	if ((sp != orig_sp) && !all_contexts)
+	if ((sp != orig_sp) && !trace->all_contexts)
 		return;
-	sp = save_context_stack(trace, &skip, sp,
+	sp = save_context_stack(trace, &trace->skip, sp,
 				S390_lowcore.async_stack - ASYNC_SIZE,
 				S390_lowcore.async_stack);
-	if ((sp != orig_sp) && !all_contexts)
+	if ((sp != orig_sp) && !trace->all_contexts)
 		return;
 	if (task)
-		save_context_stack(trace, &skip, sp,
+		save_context_stack(trace, &trace->skip, sp,
 				   (unsigned long) task_stack_page(task),
 				   (unsigned long) task_stack_page(task) + THREAD_SIZE);
 	else
-		save_context_stack(trace, &skip, sp, S390_lowcore.thread_info,
+		save_context_stack(trace, &trace->skip, sp,
+				   S390_lowcore.thread_info,
 				   S390_lowcore.thread_info + THREAD_SIZE);
 	return;
 }
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 786a44dba5bf..607f50ead1fd 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -15,6 +15,8 @@
 #include <linux/sched.h>
 #include <linux/sysctl.h>
 #include <linux/ctype.h>
+#include <linux/swap.h>
+#include <linux/kthread.h>
 
 #include <asm/pgalloc.h>
 #include <asm/uaccess.h>
@@ -34,18 +36,18 @@ struct cmm_page_array {
 	unsigned long pages[CMM_NR_PAGES];
 };
 
-static long cmm_pages = 0;
-static long cmm_timed_pages = 0;
-static volatile long cmm_pages_target = 0;
-static volatile long cmm_timed_pages_target = 0;
-static long cmm_timeout_pages = 0;
-static long cmm_timeout_seconds = 0;
+static long cmm_pages;
+static long cmm_timed_pages;
+static volatile long cmm_pages_target;
+static volatile long cmm_timed_pages_target;
+static long cmm_timeout_pages;
+static long cmm_timeout_seconds;
 
-static struct cmm_page_array *cmm_page_list = NULL;
-static struct cmm_page_array *cmm_timed_page_list = NULL;
+static struct cmm_page_array *cmm_page_list;
+static struct cmm_page_array *cmm_timed_page_list;
+static DEFINE_SPINLOCK(cmm_lock);
 
-static unsigned long cmm_thread_active = 0;
-static struct work_struct cmm_thread_starter;
+static struct task_struct *cmm_thread_ptr;
 static wait_queue_head_t cmm_thread_wait;
 static struct timer_list cmm_timer;
 
@@ -53,71 +55,100 @@ static void cmm_timer_fn(unsigned long);
 static void cmm_set_timer(void);
 
 static long
-cmm_alloc_pages(long pages, long *counter, struct cmm_page_array **list)
+cmm_alloc_pages(long nr, long *counter, struct cmm_page_array **list)
 {
-	struct cmm_page_array *pa;
-	unsigned long page;
+	struct cmm_page_array *pa, *npa;
+	unsigned long addr;
 
-	pa = *list;
-	while (pages) {
-		page = __get_free_page(GFP_NOIO);
-		if (!page)
+	while (nr) {
+		addr = __get_free_page(GFP_NOIO);
+		if (!addr)
 			break;
+		spin_lock(&cmm_lock);
+		pa = *list;
 		if (!pa || pa->index >= CMM_NR_PAGES) {
 			/* Need a new page for the page list. */
-			pa = (struct cmm_page_array *)
+			spin_unlock(&cmm_lock);
+			npa = (struct cmm_page_array *)
 				__get_free_page(GFP_NOIO);
-			if (!pa) {
-				free_page(page);
+			if (!npa) {
+				free_page(addr);
 				break;
 			}
-			pa->next = *list;
-			pa->index = 0;
-			*list = pa;
+			spin_lock(&cmm_lock);
+			pa = *list;
+			if (!pa || pa->index >= CMM_NR_PAGES) {
+				npa->next = pa;
+				npa->index = 0;
+				pa = npa;
+				*list = pa;
+			} else
+				free_page((unsigned long) npa);
 		}
-		diag10(page);
-		pa->pages[pa->index++] = page;
+		diag10(addr);
+		pa->pages[pa->index++] = addr;
 		(*counter)++;
-		pages--;
+		spin_unlock(&cmm_lock);
+		nr--;
 	}
-	return pages;
+	return nr;
 }
 
-static void
-cmm_free_pages(long pages, long *counter, struct cmm_page_array **list)
+static long
+cmm_free_pages(long nr, long *counter, struct cmm_page_array **list)
 {
 	struct cmm_page_array *pa;
-	unsigned long page;
+	unsigned long addr;
 
+	spin_lock(&cmm_lock);
 	pa = *list;
-	while (pages) {
+	while (nr) {
 		if (!pa || pa->index <= 0)
 			break;
-		page = pa->pages[--pa->index];
+		addr = pa->pages[--pa->index];
 		if (pa->index == 0) {
 			pa = pa->next;
 			free_page((unsigned long) *list);
 			*list = pa;
 		}
-		free_page(page);
+		free_page(addr);
 		(*counter)--;
-		pages--;
+		nr--;
 	}
+	spin_unlock(&cmm_lock);
+	return nr;
 }
 
+static int cmm_oom_notify(struct notifier_block *self,
+			  unsigned long dummy, void *parm)
+{
+	unsigned long *freed = parm;
+	long nr = 256;
+
+	nr = cmm_free_pages(nr, &cmm_timed_pages, &cmm_timed_page_list);
+	if (nr > 0)
+		nr = cmm_free_pages(nr, &cmm_pages, &cmm_page_list);
+	cmm_pages_target = cmm_pages;
+	cmm_timed_pages_target = cmm_timed_pages;
+	*freed += 256 - nr;
+	return NOTIFY_OK;
+}
+
+static struct notifier_block cmm_oom_nb = {
+	.notifier_call = cmm_oom_notify
+};
+
 static int
 cmm_thread(void *dummy)
 {
 	int rc;
 
-	daemonize("cmmthread");
 	while (1) {
 		rc = wait_event_interruptible(cmm_thread_wait,
 			(cmm_pages != cmm_pages_target ||
-			 cmm_timed_pages != cmm_timed_pages_target));
-		if (rc == -ERESTARTSYS) {
-			/* Got kill signal. End thread. */
-			clear_bit(0, &cmm_thread_active);
+			 cmm_timed_pages != cmm_timed_pages_target ||
+			 kthread_should_stop()));
+		if (kthread_should_stop() || rc == -ERESTARTSYS) {
 			cmm_pages_target = cmm_pages;
 			cmm_timed_pages_target = cmm_timed_pages;
 			break;
@@ -143,16 +174,8 @@ cmm_thread(void *dummy)
 }
 
 static void
-cmm_start_thread(void)
-{
-	kernel_thread(cmm_thread, NULL, 0);
-}
-
-static void
 cmm_kick_thread(void)
 {
-	if (!test_and_set_bit(0, &cmm_thread_active))
-		schedule_work(&cmm_thread_starter);
 	wake_up(&cmm_thread_wait);
 }
 
@@ -177,21 +200,21 @@ cmm_set_timer(void)
 static void
 cmm_timer_fn(unsigned long ignored)
 {
-	long pages;
+	long nr;
 
-	pages = cmm_timed_pages_target - cmm_timeout_pages;
-	if (pages < 0)
+	nr = cmm_timed_pages_target - cmm_timeout_pages;
+	if (nr < 0)
 		cmm_timed_pages_target = 0;
 	else
-		cmm_timed_pages_target = pages;
+		cmm_timed_pages_target = nr;
 	cmm_kick_thread();
 	cmm_set_timer();
 }
 
 void
-cmm_set_pages(long pages)
+cmm_set_pages(long nr)
 {
-	cmm_pages_target = pages;
+	cmm_pages_target = nr;
 	cmm_kick_thread();
 }
 
@@ -202,9 +225,9 @@ cmm_get_pages(void)
 }
 
 void
-cmm_add_timed_pages(long pages)
+cmm_add_timed_pages(long nr)
 {
-	cmm_timed_pages_target += pages;
+	cmm_timed_pages_target += nr;
 	cmm_kick_thread();
 }
 
@@ -215,9 +238,9 @@ cmm_get_timed_pages(void)
 }
 
 void
-cmm_set_timeout(long pages, long seconds)
+cmm_set_timeout(long nr, long seconds)
 {
-	cmm_timeout_pages = pages;
+	cmm_timeout_pages = nr;
 	cmm_timeout_seconds = seconds;
 	cmm_set_timer();
 }
@@ -245,7 +268,7 @@ cmm_pages_handler(ctl_table *ctl, int write, struct file *filp,
 		  void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	char buf[16], *p;
-	long pages;
+	long nr;
 	int len;
 
 	if (!*lenp || (*ppos && !write)) {
@@ -260,17 +283,17 @@ cmm_pages_handler(ctl_table *ctl, int write, struct file *filp,
 			return -EFAULT;
 		buf[sizeof(buf) - 1] = '\0';
 		cmm_skip_blanks(buf, &p);
-		pages = simple_strtoul(p, &p, 0);
+		nr = simple_strtoul(p, &p, 0);
 		if (ctl == &cmm_table[0])
-			cmm_set_pages(pages);
+			cmm_set_pages(nr);
 		else
-			cmm_add_timed_pages(pages);
+			cmm_add_timed_pages(nr);
 	} else {
 		if (ctl == &cmm_table[0])
-			pages = cmm_get_pages();
+			nr = cmm_get_pages();
 		else
-			pages = cmm_get_timed_pages();
-		len = sprintf(buf, "%ld\n", pages);
+			nr = cmm_get_timed_pages();
+		len = sprintf(buf, "%ld\n", nr);
 		if (len > *lenp)
 			len = *lenp;
 		if (copy_to_user(buffer, buf, len))
@@ -286,7 +309,7 @@ cmm_timeout_handler(ctl_table *ctl, int write, struct file *filp,
 		    void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	char buf[64], *p;
-	long pages, seconds;
+	long nr, seconds;
 	int len;
 
 	if (!*lenp || (*ppos && !write)) {
@@ -301,10 +324,10 @@ cmm_timeout_handler(ctl_table *ctl, int write, struct file *filp,
 			return -EFAULT;
 		buf[sizeof(buf) - 1] = '\0';
 		cmm_skip_blanks(buf, &p);
-		pages = simple_strtoul(p, &p, 0);
+		nr = simple_strtoul(p, &p, 0);
 		cmm_skip_blanks(p, &p);
 		seconds = simple_strtoul(p, &p, 0);
-		cmm_set_timeout(pages, seconds);
+		cmm_set_timeout(nr, seconds);
 	} else {
 		len = sprintf(buf, "%ld %ld\n",
 			      cmm_timeout_pages, cmm_timeout_seconds);
@@ -357,7 +380,7 @@ static struct ctl_table cmm_dir_table[] = {
 static void
 cmm_smsg_target(char *from, char *msg)
 {
-	long pages, seconds;
+	long nr, seconds;
 
 	if (strlen(sender) > 0 && strcmp(from, sender) != 0)
 		return;
@@ -366,27 +389,27 @@ cmm_smsg_target(char *from, char *msg)
 	if (strncmp(msg, "SHRINK", 6) == 0) {
 		if (!cmm_skip_blanks(msg + 6, &msg))
 			return;
-		pages = simple_strtoul(msg, &msg, 0);
+		nr = simple_strtoul(msg, &msg, 0);
 		cmm_skip_blanks(msg, &msg);
 		if (*msg == '\0')
-			cmm_set_pages(pages);
+			cmm_set_pages(nr);
 	} else if (strncmp(msg, "RELEASE", 7) == 0) {
 		if (!cmm_skip_blanks(msg + 7, &msg))
 			return;
-		pages = simple_strtoul(msg, &msg, 0);
+		nr = simple_strtoul(msg, &msg, 0);
 		cmm_skip_blanks(msg, &msg);
 		if (*msg == '\0')
-			cmm_add_timed_pages(pages);
+			cmm_add_timed_pages(nr);
 	} else if (strncmp(msg, "REUSE", 5) == 0) {
 		if (!cmm_skip_blanks(msg + 5, &msg))
 			return;
-		pages = simple_strtoul(msg, &msg, 0);
+		nr = simple_strtoul(msg, &msg, 0);
 		if (!cmm_skip_blanks(msg, &msg))
 			return;
 		seconds = simple_strtoul(msg, &msg, 0);
 		cmm_skip_blanks(msg, &msg);
 		if (*msg == '\0')
-			cmm_set_timeout(pages, seconds);
+			cmm_set_timeout(nr, seconds);
 	}
 }
 #endif
@@ -396,21 +419,49 @@ struct ctl_table_header *cmm_sysctl_header;
 static int
 cmm_init (void)
 {
+	int rc = -ENOMEM;
+
 #ifdef CONFIG_CMM_PROC
 	cmm_sysctl_header = register_sysctl_table(cmm_dir_table, 1);
+	if (!cmm_sysctl_header)
+		goto out;
 #endif
 #ifdef CONFIG_CMM_IUCV
-	smsg_register_callback(SMSG_PREFIX, cmm_smsg_target);
+	rc = smsg_register_callback(SMSG_PREFIX, cmm_smsg_target);
+	if (rc < 0)
+		goto out_smsg;
 #endif
-	INIT_WORK(&cmm_thread_starter, (void *) cmm_start_thread, NULL);
+	rc = register_oom_notifier(&cmm_oom_nb);
+	if (rc < 0)
+		goto out_oom_notify;
 	init_waitqueue_head(&cmm_thread_wait);
 	init_timer(&cmm_timer);
-	return 0;
+	cmm_thread_ptr = kthread_run(cmm_thread, NULL, "cmmthread");
+	rc = IS_ERR(cmm_thread_ptr) ? PTR_ERR(cmm_thread_ptr) : 0;
+	if (!rc)
+		goto out;
+	/*
+	 * kthread_create failed. undo all the stuff from above again.
+	 */
+	unregister_oom_notifier(&cmm_oom_nb);
+
+out_oom_notify:
+#ifdef CONFIG_CMM_IUCV
+	smsg_unregister_callback(SMSG_PREFIX, cmm_smsg_target);
+out_smsg:
+#endif
+#ifdef CONFIG_CMM_PROC
+	unregister_sysctl_table(cmm_sysctl_header);
+#endif
+out:
+	return rc;
 }
 
 static void
 cmm_exit(void)
 {
+	kthread_stop(cmm_thread_ptr);
+	unregister_oom_notifier(&cmm_oom_nb);
 	cmm_free_pages(cmm_pages, &cmm_pages, &cmm_page_list);
 	cmm_free_pages(cmm_timed_pages, &cmm_timed_pages, &cmm_timed_page_list);
 #ifdef CONFIG_CMM_PROC
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 1a0db1d4c952..1cc5c9b27bfd 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -8,6 +8,7 @@ mainmenu "Linux/SuperH Kernel Configuration"
 config SUPERH
 	bool
 	default y
+	select EMBEDDED
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast
@@ -51,18 +52,23 @@ source "init/Kconfig"
 
 menu "System type"
 
+config SOLUTION_ENGINE
+	bool
+
 choice
 	prompt "SuperH system type"
 	default SH_UNKNOWN
 
 config SH_SOLUTION_ENGINE
 	bool "SolutionEngine"
+	select SOLUTION_ENGINE
 	help
 	  Select SolutionEngine if configuring for a Hitachi SH7709
 	  or SH7750 evaluation board.
 
 config SH_7751_SOLUTION_ENGINE
 	bool "SolutionEngine7751"
+	select SOLUTION_ENGINE
 	select CPU_SUBTYPE_SH7751
 	help
 	  Select 7751 SolutionEngine if configuring for a Hitachi SH7751
@@ -70,17 +76,27 @@ config SH_7751_SOLUTION_ENGINE
 
 config SH_7300_SOLUTION_ENGINE
 	bool "SolutionEngine7300"
+	select SOLUTION_ENGINE
 	select CPU_SUBTYPE_SH7300
 	help
-	  Select 7300 SolutionEngine if configuring for a Hitachi SH7300(SH-Mobile V)
-	  evaluation board.
+	  Select 7300 SolutionEngine if configuring for a Hitachi
+	  SH7300(SH-Mobile V) evaluation board.
+
+config SH_7343_SOLUTION_ENGINE
+	bool "SolutionEngine7343"
+	select SOLUTION_ENGINE
+	select CPU_SUBTYPE_SH7343
+	help
+	  Select 7343 SolutionEngine if configuring for a Hitachi
+	  SH7343 (SH-Mobile 3AS) evaluation board.
 
 config SH_73180_SOLUTION_ENGINE
        bool "SolutionEngine73180"
-       select CPU_SUBTYPE_SH73180
-       help
-         Select 73180 SolutionEngine if configuring for a Hitachi SH73180(SH-Mobile 3)
-         evaluation board.
+	select SOLUTION_ENGINE
+	select CPU_SUBTYPE_SH73180
+	help
+	  Select 73180 SolutionEngine if configuring for a Hitachi
+	  SH73180(SH-Mobile 3) evaluation board.
 
 config SH_7751_SYSTEMH
 	bool "SystemH7751R"
@@ -89,12 +105,6 @@ config SH_7751_SYSTEMH
 	  Select SystemH if you are configuring for a Renesas SystemH
 	  7751R evaluation board.
 
-config SH_STB1_HARP
-	bool "STB1_Harp"
-
-config SH_STB1_OVERDRIVE
-	bool "STB1_Overdrive"
-
 config SH_HP6XX
 	bool "HP6XX"
 	help
@@ -102,19 +112,6 @@ config SH_HP6XX
 	  More information (hardware only) at
 	  <http://www.hp.com/jornada/>.
 
-config SH_CQREEK
-	bool "CqREEK"
-	help
-	  Select CqREEK if configuring for a CqREEK SH7708 or SH7750.
-	  More information at
-	  <http://sources.redhat.com/ecos/hardware.html#SuperH>.
-
-config SH_DMIDA
-	bool "DMIDA"
-	help
-	  Select DMIDA if configuring for a DataMyte 4000 Industrial
-	  Digital Assistant. More information at <http://www.dmida.com/>.
-
 config SH_EC3104
 	bool "EC3104"
 	help
@@ -136,25 +133,9 @@ config SH_DREAMCAST
 	  <http://www.m17n.org/linux-sh/dreamcast/>.  There is a
 	  Dreamcast project is at <http://linuxdc.sourceforge.net/>.
 
-config SH_CAT68701
-	bool "CAT68701"
-
 config SH_BIGSUR
 	bool "BigSur"
 
-config SH_SH2000
-	bool "SH2000"
-	select CPU_SUBTYPE_SH7709
-	help
-	  SH-2000 is a single-board computer based around SH7709A chip
-	  intended for embedded applications.
-	  It has an Ethernet interface (CS8900A), direct connected
-	  Compact Flash socket, three serial ports and PC-104 bus.
-	  More information at <http://sh2000.sh-linux.org>.
-
-config SH_ADX
-	bool "ADX"
-
 config SH_MPC1211
 	bool "Interface MPC1211"
 	help
@@ -184,6 +165,13 @@ config SH_HS7751RVOIP
 	  Select HS7751RVOIP if configuring for a Renesas Technology
 	  Sales VoIP board.
 
+config SH_7710VOIPGW
+	bool "SH7710-VOIP-GW"
+	select CPU_SUBTYPE_SH7710
+	help
+	  Select this option to build a kernel for the SH7710 based
+	  VOIP GW.
+
 config SH_RTS7751R2D
 	bool "RTS7751R2D"
 	select CPU_SUBTYPE_SH7751R
@@ -222,6 +210,12 @@ config SH_TITAN
 	  Select Titan if you are configuring for a Nimble Microsystems
 	  NetEngine NP51R.
 
+config SH_SHMIN
+	bool "SHMIN"
+	select CPU_SUBTYPE_SH7706
+	help
+	  Select SHMIN if configureing for the SHMIN board
+
 config SH_UNKNOWN
 	bool "BareCPU"
 	help
@@ -238,35 +232,9 @@ endchoice
 
 source "arch/sh/mm/Kconfig"
 
-config MEMORY_START
-	hex "Physical memory start address"
-	default "0x08000000"
-	---help---
-	  Computers built with Hitachi SuperH processors always
-	  map the ROM starting at address zero.  But the processor
-	  does not specify the range that RAM takes.
-
-	  The physical memory (RAM) start address will be automatically
-	  set to 08000000. Other platforms, such as the Solution Engine
-	  boards typically map RAM at 0C000000.
-
-	  Tweak this only when porting to a new machine which does not
-	  already have a defconfig. Changing it from the known correct
-	  value on any of the known systems will only lead to disaster.
-
-config MEMORY_SIZE
-	hex "Physical memory size"
-	default "0x00400000"
-	help
-	  This sets the default memory size assumed by your SH kernel. It can
-	  be overridden as normal by the 'mem=' argument on the kernel command
-	  line. If unsure, consult your board specifications or just leave it
-	  as 0x00400000 which was the default value before this became
-	  configurable.
-
 config CF_ENABLER
 	bool "Compact Flash Enabler support"
-	depends on SH_ADX || SH_SOLUTION_ENGINE || SH_UNKNOWN || SH_CAT68701 || SH_SH03
+	depends on SH_SOLUTION_ENGINE || SH_UNKNOWN || SH_SH03
 	---help---
 	  Compact Flash is a small, removable mass storage device introduced
 	  in 1994 originally as a PCMCIA device.  If you say `Y' here, you
@@ -294,7 +262,7 @@ config CF_AREA5
 	  - "Area5" if CompactFlash is connected to Area 5 (0x14000000)
 	  - "Area6" if it is connected to Area 6 (0x18000000)
 
-	  "Area6" will work for most boards. For ADX, select "Area5".
+	  "Area6" will work for most boards.
 
 config CF_AREA6
 	bool "Area6"
@@ -316,19 +284,6 @@ config CPU_LITTLE_ENDIAN
 	  endian byte order. These modes require different kernels. Say Y if
 	  your machine is little endian, N if it's a big endian machine.
 
-# The SH7750 RTC module is disabled in the Dreamcast
-config SH_RTC
-	bool
-	depends on !SH_DREAMCAST && !SH_SATURN && !SH_7300_SOLUTION_ENGINE && \
-		   !SH_73180_SOLUTION_ENGINE && !SH_LANDISK && \
-		   !SH_R7780RP
-	default y
-	help
-	  Selecting this option will allow the Linux kernel to emulate
-	  PC's RTC.
-
-	  If unsure, say N.
-
 config SH_FPU
 	bool "FPU support"
 	depends on !CPU_SH3
@@ -339,14 +294,22 @@ config SH_FPU
 
 	  This option must be set in order to enable the FPU.
 
+config SH_FPU_EMU
+	bool "FPU emulation support"
+	depends on !SH_FPU && EXPERIMENTAL
+	default n
+	help
+	  Selecting this option will enable support for software FPU emulation.
+	  Most SH-3 users will want to say Y here, whereas most SH-4 users will
+	  want to say N.
+
 config SH_DSP
 	bool "DSP support"
-	depends on !CPU_SH4
-	default y
+	default y if SH4AL_DSP || !CPU_SH4
+	default n
 	help
 	  Selecting this option will enable support for SH processors that
-	  have DSP units (ie, SH2-DSP and SH3-DSP). It is safe to say Y here
-	  by default, as the existance of the DSP will be probed at runtime.
+	  have DSP units (ie, SH2-DSP, SH3-DSP, and SH4AL-DSP).
 
 	  This option must be set in order to enable the DSP.
 
@@ -373,6 +336,9 @@ config CPU_HAS_INTEVT
 config CPU_HAS_PINT_IRQ
 	bool
 
+config CPU_HAS_MASKREG_IRQ
+	bool
+
 config CPU_HAS_INTC2_IRQ
 	bool
 
@@ -400,16 +366,19 @@ config SH_TMU
 
 endmenu
 
-#source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
+source "arch/sh/boards/renesas/hs7751rvoip/Kconfig"
+
+source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
 
-#source "arch/sh/boards/renesas/rts7751r2d/Kconfig"
+source "arch/sh/boards/renesas/r7780rp/Kconfig"
 
 config SH_PCLK_FREQ
 	int "Peripheral clock frequency (in Hz)"
 	default "50000000" if CPU_SUBTYPE_SH7750 || CPU_SUBTYPE_SH7780
 	default "60000000" if CPU_SUBTYPE_SH7751
-	default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7760
-	default "27000000" if CPU_SUBTYPE_SH73180
+	default "33333333" if CPU_SUBTYPE_SH7300 || CPU_SUBTYPE_SH7770 || \
+			      CPU_SUBTYPE_SH7760
+	default "27000000" if CPU_SUBTYPE_SH73180 || CPU_SUBTYPE_SH7343
 	default "66000000" if CPU_SUBTYPE_SH4_202
 	help
 	  This option is used to specify the peripheral clock frequency.
@@ -440,10 +409,8 @@ source "arch/sh/cchips/Kconfig"
 
 config HEARTBEAT
 	bool "Heartbeat LED"
-	depends on SH_MPC1211 || SH_SH03 || SH_CAT68701 || \
-		   SH_STB1_HARP || SH_STB1_OVERDRIVE || SH_BIGSUR || \
-		   SH_7751_SOLUTION_ENGINE || SH_7300_SOLUTION_ENGINE || \
-		   SH_73180_SOLUTION_ENGINE || SH_SOLUTION_ENGINE || \
+	depends on SH_MPC1211 || SH_SH03 || \
+		   SH_BIGSUR || SOLUTION_ENGINE || \
 		   SH_RTS7751R2D || SH_SH4202_MICRODEV || SH_LANDISK
 	help
 	  Use the power-on LED on your machine as a load meter.  The exact
@@ -459,6 +426,8 @@ config ISA_DMA_API
 
 menu "Kernel features"
 
+source kernel/Kconfig.hz
+
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
@@ -476,10 +445,6 @@ config KEXEC
 	  support.  As of this writing the exact hardware interface is
 	  strongly in flux, so no good recommendation can be made.
 
-config PREEMPT
-	bool "Preemptible Kernel (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
-
 config SMP
 	bool "Symmetric multi-processing support"
 	---help---
@@ -515,6 +480,8 @@ config NR_CPUS
 	  This is purely to save memory - each supported CPU adds
 	  approximately eight kilobytes to the kernel image.
 
+source "kernel/Kconfig.preempt"
+
 config CPU_HAS_SR_RB
 	bool "CPU has SR.RB"
 	depends on CPU_SH3 || CPU_SH4
@@ -636,6 +603,16 @@ source "fs/Kconfig.binfmt"
 
 endmenu
 
+menu "Power management options (EXPERIMENTAL)"
+depends on EXPERIMENTAL
+
+source kernel/power/Kconfig
+
+config APM
+	bool "Advanced Power Management Emulation"
+	depends on PM
+endmenu
+
 source "net/Kconfig"
 
 source "drivers/Kconfig"
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 8fb31ab2c02c..48479e014dac 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -30,8 +30,35 @@ config EARLY_PRINTK
 	  when the kernel may crash or hang before the serial console is
 	  initialised. If unsure, say N.
 
+config DEBUG_STACKOVERFLOW
+	bool "Check for stack overflows"
+	depends on DEBUG_KERNEL
+	help
+	  This option will cause messages to be printed if free stack space
+	  drops below a certain limit.
+
+config DEBUG_STACK_USAGE
+	bool "Stack utilization instrumentation"
+	depends on DEBUG_KERNEL
+	help
+	  Enables the display of the minimum amount of free stack which each
+	  task has ever had available in the sysrq-T and sysrq-P debug output.
+
+	  This option will slow down process creation somewhat.
+
+config 4KSTACKS
+	bool "Use 4Kb for kernel stacks instead of 8Kb"
+	depends on DEBUG_KERNEL
+	help
+	  If you say Y here the kernel will use a 4Kb stacksize for the
+	  kernel stack attached to each process/thread. This facilitates
+	  running more threads on a system and also reduces the pressure
+	  on the VM subsystem for higher order allocations. This option
+	  will also use IRQ stacks to compensate for the reduced stackspace.
+
 config KGDB
 	bool "Include KGDB kernel debugger"
+	select FRAME_POINTER
 	help
 	  Include in-kernel hooks for kgdb, the Linux kernel source level
 	  debugger.  See <http://kgdb.sourceforge.net/> for more information.
@@ -112,13 +139,4 @@ endchoice
 
 endmenu
 
-config FRAME_POINTER
-	bool "Compile the kernel with frame pointers"
-	default y if KGDB
-	help
-	  If you say Y here the resulting kernel image will be slightly larger
-	  and slower, but it will give very useful debugging information.
-	  If you don't debug the kernel, you can say N, but we may not be able
-	  to solve problems without frame pointers.
-
 endmenu
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index e467a450662b..26d62ff51a64 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -18,11 +18,13 @@ cflags-y				:= -mb
 cflags-$(CONFIG_CPU_LITTLE_ENDIAN)	:= -ml
 
 isa-y					:= any
+isa-$(CONFIG_SH_DSP)			:= sh
 isa-$(CONFIG_CPU_SH2)			:= sh2
+isa-$(CONFIG_CPU_SH2A)			:= sh2a
 isa-$(CONFIG_CPU_SH3)			:= sh3
 isa-$(CONFIG_CPU_SH4)			:= sh4
 isa-$(CONFIG_CPU_SH4A)			:= sh4a
-isa-$(CONFIG_CPU_SH2A)			:= sh2a
+isa-$(CONFIG_CPU_SH4AL_DSP)		:= sh4al
 
 isa-$(CONFIG_SH_DSP)			:= $(isa-y)-dsp
 
@@ -30,9 +32,11 @@ ifndef CONFIG_MMU
 isa-y			:= $(isa-y)-nommu
 endif
 
+ifndef CONFIG_SH_DSP
 ifndef CONFIG_SH_FPU
 isa-y			:= $(isa-y)-nofpu
 endif
+endif
 
 cflags-y	+= $(call as-option,-Wa$(comma)-isa=$(isa-y),)
 
@@ -79,24 +83,19 @@ head-y := arch/sh/kernel/head.o arch/sh/kernel/init_task.o
 LIBGCC := $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
 
 core-y				+= arch/sh/kernel/ arch/sh/mm/
+core-$(CONFIG_SH_FPU_EMU)	+= arch/sh/math-emu/
 
 # Boards
 machdir-$(CONFIG_SH_SOLUTION_ENGINE)		:= se/770x
 machdir-$(CONFIG_SH_7751_SOLUTION_ENGINE)	:= se/7751
 machdir-$(CONFIG_SH_7300_SOLUTION_ENGINE)	:= se/7300
+machdir-$(CONFIG_SH_7343_SOLUTION_ENGINE)	:= se/7343
 machdir-$(CONFIG_SH_73180_SOLUTION_ENGINE)	:= se/73180
-machdir-$(CONFIG_SH_STB1_HARP)			:= harp
-machdir-$(CONFIG_SH_STB1_OVERDRIVE)		:= overdrive
 machdir-$(CONFIG_SH_HP6XX)			:= hp6xx
-machdir-$(CONFIG_SH_CQREEK)			:= cqreek
-machdir-$(CONFIG_SH_DMIDA)			:= dmida
 machdir-$(CONFIG_SH_EC3104)			:= ec3104
 machdir-$(CONFIG_SH_SATURN)			:= saturn
 machdir-$(CONFIG_SH_DREAMCAST)			:= dreamcast
-machdir-$(CONFIG_SH_CAT68701)			:= cat68701
 machdir-$(CONFIG_SH_BIGSUR)			:= bigsur
-machdir-$(CONFIG_SH_SH2000)			:= sh2000
-machdir-$(CONFIG_SH_ADX)			:= adx
 machdir-$(CONFIG_SH_MPC1211)			:= mpc1211
 machdir-$(CONFIG_SH_SH03)			:= sh03
 machdir-$(CONFIG_SH_SECUREEDGE5410)		:= snapgear
@@ -104,16 +103,16 @@ machdir-$(CONFIG_SH_HS7751RVOIP)		:= renesas/hs7751rvoip
 machdir-$(CONFIG_SH_RTS7751R2D)			:= renesas/rts7751r2d
 machdir-$(CONFIG_SH_7751_SYSTEMH)		:= renesas/systemh
 machdir-$(CONFIG_SH_EDOSK7705)			:= renesas/edosk7705
+machdir-$(CONFIG_SH_R7780RP)			:= renesas/r7780rp
+machdir-$(CONFIG_SH_7710VOIPGW)			:= renesas/sh7710voipgw
 machdir-$(CONFIG_SH_SH4202_MICRODEV)		:= superh/microdev
+machdir-$(CONFIG_SH_LANDISK)			:= landisk
+machdir-$(CONFIG_SH_TITAN)			:= titan
+machdir-$(CONFIG_SH_SHMIN)			:= shmin
 machdir-$(CONFIG_SH_UNKNOWN)			:= unknown
 
 incdir-y			:= $(notdir $(machdir-y))
-
-incdir-$(CONFIG_SH_SOLUTION_ENGINE)		:= se
-incdir-$(CONFIG_SH_7751_SOLUTION_ENGINE)	:= se7751
-incdir-$(CONFIG_SH_7300_SOLUTION_ENGINE)        := se7300
-incdir-$(CONFIG_SH_73180_SOLUTION_ENGINE)	:= se73180
-incdir-$(CONFIG_SH_HP600)			:= hp6xx
+incdir-$(CONFIG_SH_HP6XX)			:= hp6xx
 
 ifneq ($(machdir-y),)
 core-y				+= arch/sh/boards/$(machdir-y)/
@@ -137,17 +136,14 @@ boot := arch/sh/boot
 
 CPPFLAGS_vmlinux.lds := -traditional
 
-ifneq ($(KBUILD_SRC),)
 incdir-prefix	:= $(srctree)/include/asm-sh/
-else
-incdir-prefix	:=
-endif
 
 #	Update machine arch and proc symlinks if something which affects
 #	them changed.  We use .arch and .mach to indicate when they were
 #	updated last, otherwise make uses the target directory mtime.
 
-include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) include/config/auto.conf
+include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) \
+		     include/config/auto.conf FORCE
 	@echo '  SYMLINK include/asm-sh/cpu -> include/asm-sh/$(cpuincdir-y)'
 	$(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
 	$(Q)ln -fsn $(incdir-prefix)$(cpuincdir-y) include/asm-sh/cpu
@@ -157,7 +153,8 @@ include/asm-sh/.cpu: $(wildcard include/config/cpu/*.h) include/config/auto.conf
 #	don't, just reference the parent directory so the semantics are
 #	kept roughly the same.
 
-include/asm-sh/.mach: $(wildcard include/config/sh/*.h) include/config/auto.conf
+include/asm-sh/.mach: $(wildcard include/config/sh/*.h) \
+		      include/config/auto.conf FORCE
 	@echo -n '  SYMLINK include/asm-sh/mach -> '
 	$(Q)if [ ! -d include/asm-sh ]; then mkdir -p include/asm-sh; fi
 	$(Q)if [ -d $(incdir-prefix)$(incdir-y) ]; then \
@@ -170,7 +167,7 @@ include/asm-sh/.mach: $(wildcard include/config/sh/*.h) include/config/auto.conf
 	fi
 	@touch $@
 
-archprepare: maketools include/asm-sh/.cpu include/asm-sh/.mach
+archprepare: include/asm-sh/.cpu include/asm-sh/.mach maketools
 
 PHONY += maketools FORCE
 maketools:  include/linux/version.h FORCE
@@ -191,4 +188,3 @@ CLEAN_FILES += include/asm-sh/machtypes.h
 define archhelp
 	@echo '  zImage 	           - Compressed kernel image (arch/sh/boot/zImage)'
 endef
-
diff --git a/arch/sh/boards/adx/Makefile b/arch/sh/boards/adx/Makefile
deleted file mode 100644
index 5b1c531b3991..000000000000
--- a/arch/sh/boards/adx/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-#
-# Makefile for ADX boards
-#
-
-obj-y	 := setup.o irq.o irq_maskreq.o
-
diff --git a/arch/sh/boards/adx/irq.c b/arch/sh/boards/adx/irq.c
deleted file mode 100644
index c6ca409dff98..000000000000
--- a/arch/sh/boards/adx/irq.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * linux/arch/sh/boards/adx/irq.c
- *
- * Copyright (C) 2001 A&D Co., Ltd.
- *
- * I/O routine and setup routines for A&D ADX Board
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- */
-
-#include <asm/irq.h>
-
-void init_adx_IRQ(void)
-{
-        int i;
-
-/*      printk("init_adx_IRQ()\n");*/
-        /* setup irq_mask_register */
-        irq_mask_register = (unsigned short *)0xa6000008;
-
-        /* cover all external interrupt area by maskreg_irq_type
-         * (Actually, irq15 doesn't exist)
-         */
-        for (i = 0; i < 16; i++) {
-                make_maskreg_irq(i);
-                disable_irq(i);
-        }
-}
diff --git a/arch/sh/boards/adx/setup.c b/arch/sh/boards/adx/setup.c
deleted file mode 100644
index 4938d9592343..000000000000
--- a/arch/sh/boards/adx/setup.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* 
- * linux/arch/sh/board/adx/setup.c
- *
- * Copyright (C) 2001 A&D Co., Ltd.
- *
- * I/O routine and setup routines for A&D ADX Board
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- */
-
-#include <asm/machvec.h>
-#include <linux/module.h>
-
-extern void init_adx_IRQ(void);
-extern void *cf_io_base;
-
-const char *get_system_type(void)
-{
-	return "A&D ADX";
-}
-
-unsigned long adx_isa_port2addr(unsigned long offset)
-{
-	/* CompactFlash (IDE) */
-	if (((offset >= 0x1f0) && (offset <= 0x1f7)) || (offset == 0x3f6)) {
-		return (unsigned long)cf_io_base + offset;
-	}
-
-	/* eth0 */
-	if ((offset >= 0x300) && (offset <= 0x30f)) {
-		return 0xa5000000 + offset;	/* COMM BOARD (AREA1) */
-	}
-
-	return offset + 0xb0000000; /* IOBUS (AREA 4)*/
-}
-
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_adx __initmv = {
-	.mv_nr_irqs		= 48,
-	.mv_isa_port2addr	= adx_isa_port2addr,
-	.mv_init_irq		= init_adx_IRQ,
-};
-ALIAS_MV(adx)
-
-int __init platform_setup(void)
-{
-	/* Nothing to see here .. */
-	return 0;
-}
-
diff --git a/arch/sh/boards/bigsur/irq.c b/arch/sh/boards/bigsur/irq.c
index ac946a2201c7..1ab04da36382 100644
--- a/arch/sh/boards/bigsur/irq.c
+++ b/arch/sh/boards/bigsur/irq.c
@@ -19,6 +19,7 @@
  * IRQ functions for a Hitachi Big Sur Evaluation Board.
  *
  */
+#undef DEBUG
 
 #include <linux/sched.h>
 #include <linux/module.h>
@@ -41,10 +42,8 @@
 #undef BIGSUR_DEBUG
 
 #ifdef BIGSUR_DEBUG
-#define DPRINTK(args...)        printk(args)
 #define DIPRINTK(n, args...)    if (BIGSUR_DEBUG>(n)) printk(args)
 #else
-#define DPRINTK(args...)
 #define DIPRINTK(n, args...)
 #endif /* BIGSUR_DEBUG */
 
@@ -60,45 +59,39 @@ extern int hd64465_irq_demux(int irq);
 /* Level 1 IRQ routines */
 static void disable_bigsur_l1irq(unsigned int irq)
 {
-        unsigned long flags;
         unsigned char mask;
         unsigned int mask_port = ((irq - BIGSUR_IRQ_LOW)/8) ? BIGSUR_IRLMR1 : BIGSUR_IRLMR0;
         unsigned char bit =  (1 << ((irq - MGATE_IRQ_LOW)%8) );
 
         if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
-                DPRINTK("Disable L1 IRQ %d\n", irq);
+                pr_debug("Disable L1 IRQ %d\n", irq);
                 DIPRINTK(2,"disable_bigsur_l1irq: IMR=0x%08x mask=0x%x\n",
                         mask_port, bit);
-                local_irq_save(flags);
 
                 /* Disable IRQ - set mask bit */
                 mask = inb(mask_port) | bit;
                 outb(mask, mask_port);
-                local_irq_restore(flags);
                 return;
         }
-        DPRINTK("disable_bigsur_l1irq: Invalid IRQ %d\n", irq);
+        pr_debug("disable_bigsur_l1irq: Invalid IRQ %d\n", irq);
 }
 
 static void enable_bigsur_l1irq(unsigned int irq)
 {
-        unsigned long flags;
         unsigned char mask;
         unsigned int mask_port = ((irq - BIGSUR_IRQ_LOW)/8) ? BIGSUR_IRLMR1 : BIGSUR_IRLMR0;
         unsigned char bit =  (1 << ((irq - MGATE_IRQ_LOW)%8) );
 
         if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
-                DPRINTK("Enable L1 IRQ %d\n", irq);
+                pr_debug("Enable L1 IRQ %d\n", irq);
                 DIPRINTK(2,"enable_bigsur_l1irq: IMR=0x%08x mask=0x%x\n",
                         mask_port, bit);
-                local_irq_save(flags);
                 /* Enable L1 IRQ - clear mask bit */
                 mask = inb(mask_port) & ~bit;
                 outb(mask, mask_port);
-                local_irq_restore(flags);
                 return;
         }
-        DPRINTK("enable_bigsur_l1irq: Invalid IRQ %d\n", irq);
+        pr_debug("enable_bigsur_l1irq: Invalid IRQ %d\n", irq);
 }
 
 
@@ -126,51 +119,45 @@ static const u32 imr_offset = BIGSUR_IMR0 - BIGSUR_IMR1;
 /* Level 2 IRQ routines */
 static void disable_bigsur_l2irq(unsigned int irq)
 {
-        unsigned long flags;
         unsigned char mask;
         unsigned char bit = 1 << ((irq-BIGSUR_2NDLVL_IRQ_LOW)%8);
         unsigned int mask_port = imr_base - REG_NUM(irq)*imr_offset;
 
-    if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) {
-                DPRINTK("Disable L2 IRQ %d\n", irq);
+	if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) {
+                pr_debug("Disable L2 IRQ %d\n", irq);
                 DIPRINTK(2,"disable_bigsur_l2irq: IMR=0x%08x mask=0x%x\n",
                         mask_port, bit);
-                local_irq_save(flags);
 
                 /* Disable L2 IRQ - set mask bit */
                 mask = inb(mask_port) | bit;
                 outb(mask, mask_port);
-                local_irq_restore(flags);
                 return;
         }
-        DPRINTK("disable_bigsur_l2irq: Invalid IRQ %d\n", irq);
+        pr_debug("disable_bigsur_l2irq: Invalid IRQ %d\n", irq);
 }
 
 static void enable_bigsur_l2irq(unsigned int irq)
 {
-        unsigned long flags;
         unsigned char mask;
         unsigned char bit = 1 << ((irq-BIGSUR_2NDLVL_IRQ_LOW)%8);
         unsigned int mask_port = imr_base - REG_NUM(irq)*imr_offset;
 
-    if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) {
-                DPRINTK("Enable L2 IRQ %d\n", irq);
+	if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) {
+                pr_debug("Enable L2 IRQ %d\n", irq);
                 DIPRINTK(2,"enable_bigsur_l2irq: IMR=0x%08x mask=0x%x\n",
                         mask_port, bit);
-                local_irq_save(flags);
 
                 /* Enable L2 IRQ - clear mask bit */
                 mask = inb(mask_port) & ~bit;
                 outb(mask, mask_port);
-                local_irq_restore(flags);
                 return;
         }
-        DPRINTK("enable_bigsur_l2irq: Invalid IRQ %d\n", irq);
+        pr_debug("enable_bigsur_l2irq: Invalid IRQ %d\n", irq);
 }
 
 static void mask_and_ack_bigsur(unsigned int irq)
 {
-        DPRINTK("mask_and_ack_bigsur IRQ %d\n", irq);
+        pr_debug("mask_and_ack_bigsur IRQ %d\n", irq);
         if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH)
                 disable_bigsur_l1irq(irq);
         else
@@ -179,7 +166,7 @@ static void mask_and_ack_bigsur(unsigned int irq)
 
 static void end_bigsur_irq(unsigned int irq)
 {
-        DPRINTK("end_bigsur_irq IRQ %d\n", irq);
+        pr_debug("end_bigsur_irq IRQ %d\n", irq);
         if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) {
                 if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH)
                         enable_bigsur_l1irq(irq);
@@ -193,7 +180,7 @@ static unsigned int startup_bigsur_irq(unsigned int irq)
         u8 mask;
         u32 reg;
 
-        DPRINTK("startup_bigsur_irq IRQ %d\n", irq);
+        pr_debug("startup_bigsur_irq IRQ %d\n", irq);
 
         if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) {
                 /* Enable the L1 IRQ */
@@ -218,7 +205,7 @@ static unsigned int startup_bigsur_irq(unsigned int irq)
 
 static void shutdown_bigsur_irq(unsigned int irq)
 {
-        DPRINTK("shutdown_bigsur_irq IRQ %d\n", irq);
+        pr_debug("shutdown_bigsur_irq IRQ %d\n", irq);
         if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH)
                 disable_bigsur_l1irq(irq);
         else
@@ -260,7 +247,7 @@ static void make_bigsur_l1isr(unsigned int irq) {
                 disable_bigsur_l1irq(irq);
                 return;
         }
-        DPRINTK("make_bigsur_l1isr: bad irq, %d\n", irq);
+        pr_debug("make_bigsur_l1isr: bad irq, %d\n", irq);
         return;
 }
 
@@ -277,7 +264,7 @@ static void make_bigsur_l2isr(unsigned int irq) {
                 disable_bigsur_l2irq(irq);
                 return;
         }
-        DPRINTK("make_bigsur_l2isr: bad irq, %d\n", irq);
+        pr_debug("make_bigsur_l2isr: bad irq, %d\n", irq);
         return;
 }
 
diff --git a/arch/sh/boards/bigsur/setup.c b/arch/sh/boards/bigsur/setup.c
index dfeede9da50f..9711c20fc9e4 100644
--- a/arch/sh/boards/bigsur/setup.c
+++ b/arch/sh/boards/bigsur/setup.c
@@ -41,31 +41,7 @@
 //		Big Sur Init Routines	
 /*===========================================================*/
 
-const char *get_system_type(void)
-{
-	return "Big Sur";
-}
-
-/*
- * The Machine Vector
- */
-extern void heartbeat_bigsur(void);
-extern void init_bigsur_IRQ(void);
-
-struct sh_machine_vector mv_bigsur __initmv = {
-	.mv_nr_irqs		= NR_IRQS,     // Defined in <asm/irq.h>
-
-	.mv_isa_port2addr	= bigsur_isa_port2addr,
-	.mv_irq_demux       	= bigsur_irq_demux,
-
-	.mv_init_irq		= init_bigsur_IRQ,
-#ifdef CONFIG_HEARTBEAT
-	.mv_heartbeat		= heartbeat_bigsur,
-#endif
-};
-ALIAS_MV(bigsur)
-
-int __init platform_setup(void)
+static void __init bigsur_setup(char **cmdline_p)
 {
 	/* Mask all 2nd level IRQ's */
 	outb(-1,BIGSUR_IMR0);
@@ -89,7 +65,24 @@ int __init platform_setup(void)
 	outw(1, BIGSUR_ETHR+0xe);
 	/* set the IO port to BIGSUR_ETHER_IOPORT */
 	outw(BIGSUR_ETHER_IOPORT<<3, BIGSUR_ETHR+0x2);
-
-	return 0;
 }
 
+/*
+ * The Machine Vector
+ */
+extern void heartbeat_bigsur(void);
+extern void init_bigsur_IRQ(void);
+
+struct sh_machine_vector mv_bigsur __initmv = {
+	.mv_name		= "Big Sur",
+	.mv_setup		= bigsur_setup,
+
+	.mv_isa_port2addr	= bigsur_isa_port2addr,
+	.mv_irq_demux       	= bigsur_irq_demux,
+
+	.mv_init_irq		= init_bigsur_IRQ,
+#ifdef CONFIG_HEARTBEAT
+	.mv_heartbeat		= heartbeat_bigsur,
+#endif
+};
+ALIAS_MV(bigsur)
diff --git a/arch/sh/boards/cat68701/Makefile b/arch/sh/boards/cat68701/Makefile
deleted file mode 100644
index 52c1de0a6dfd..000000000000
--- a/arch/sh/boards/cat68701/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-#
-# Makefile for the CAT-68701 specific parts of the kernel
-#
-
-obj-y	 := setup.o irq.o
-
diff --git a/arch/sh/boards/cat68701/irq.c b/arch/sh/boards/cat68701/irq.c
deleted file mode 100644
index f9a6d185fb8b..000000000000
--- a/arch/sh/boards/cat68701/irq.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * linux/arch/sh/boards/cat68701/irq.c
- *
- * Copyright (C) 2000  Niibe Yutaka
- *               2001  Yutaro Ebihara
- *
- * Setup routines for A-ONE Corp CAT-68701 SH7708 Board
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- */
-
-#include <asm/irq.h>
-
-int cat68701_irq_demux(int irq)
-{
-        if(irq==13) return 14;
-        if(irq==7)  return 10;
-        return irq;
-}
-
-void init_cat68701_IRQ()
-{
-        make_imask_irq(10);
-        make_imask_irq(14);
-}
diff --git a/arch/sh/boards/cat68701/setup.c b/arch/sh/boards/cat68701/setup.c
deleted file mode 100644
index 90e5175df227..000000000000
--- a/arch/sh/boards/cat68701/setup.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/* 
- * linux/arch/sh/boards/cat68701/setup.c
- *
- * Copyright (C) 2000  Niibe Yutaka
- *               2001  Yutaro Ebihara
- *
- * Setup routines for A-ONE Corp CAT-68701 SH7708 Board
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- */
-
-#include <asm/io.h>
-#include <asm/machvec.h>
-#include <asm/mach/io.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-
-const char *get_system_type(void)
-{
-	return "CAT-68701";
-}
-
-#ifdef CONFIG_HEARTBEAT
-void heartbeat_cat68701()
-{
-        static unsigned int cnt = 0, period = 0 , bit = 0;
-        cnt += 1;
-        if (cnt < period) {
-                return;
-        }
-        cnt = 0;
-
-        /* Go through the points (roughly!):
-         * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110
-         */
-        period = 110 - ( (300<<FSHIFT)/
-                         ((avenrun[0]/5) + (3<<FSHIFT)) );
-
-	if(bit){ bit=0; }else{ bit=1; }
-	outw(bit<<15,0x3fe);
-}
-#endif /* CONFIG_HEARTBEAT */
-
-unsigned long cat68701_isa_port2addr(unsigned long offset)
-{
-	/* CompactFlash (IDE) */
-	if (((offset >= 0x1f0) && (offset <= 0x1f7)) || (offset==0x3f6))
-		return 0xba000000 + offset;
-
-	/* INPUT PORT */
-	if ((offset >= 0x3fc) && (offset <= 0x3fd))
-		return 0xb4007000 + offset;
-
-	/* OUTPUT PORT */
-	if ((offset >= 0x3fe) && (offset <= 0x3ff))
-		return 0xb4007400 + offset;
-
-	return offset + 0xb4000000; /* other I/O (EREA 5)*/
-}
-
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_cat68701 __initmv = {
-	.mv_nr_irqs		= 32,
-	.mv_isa_port2addr	= cat68701_isa_port2addr,
-	.mv_irq_demux		= cat68701_irq_demux,
-
-	.mv_init_irq		= init_cat68701_IRQ,
-#ifdef CONFIG_HEARTBEAT
-	.mv_heartbeat		= heartbeat_cat68701,
-#endif
-};
-ALIAS_MV(cat68701)
-
-int __init platform_setup(void)
-{
-	/* dummy read erea5 (CS8900A) */
-}
-
diff --git a/arch/sh/boards/cqreek/Makefile b/arch/sh/boards/cqreek/Makefile
deleted file mode 100644
index 1a788a85eba3..000000000000
--- a/arch/sh/boards/cqreek/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-#
-# Makefile for the CqREEK specific parts of the kernel
-#
-
-obj-y	 := setup.o irq.o
-
diff --git a/arch/sh/boards/cqreek/irq.c b/arch/sh/boards/cqreek/irq.c
deleted file mode 100644
index 2955adc52310..000000000000
--- a/arch/sh/boards/cqreek/irq.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* $Id: irq.c,v 1.1.2.4 2002/11/04 20:33:56 lethal Exp $
- *
- * arch/sh/boards/cqreek/irq.c
- *
- * Copyright (C) 2000  Niibe Yutaka
- *
- * CqREEK IDE/ISA Bridge Support.
- *
- */
-
-#include <linux/irq.h>
-#include <linux/init.h>
-
-#include <asm/cqreek/cqreek.h>
-#include <asm/io.h>
-#include <asm/io_generic.h>
-#include <asm/irq.h>
-#include <asm/machvec.h>
-#include <asm/machvec_init.h>
-#include <asm/rtc.h>
-
-struct cqreek_irq_data {
-	unsigned short mask_port;	/* Port of Interrupt Mask Register */
-	unsigned short stat_port;	/* Port of Interrupt Status Register */
-	unsigned short bit;		/* Value of the bit */
-};
-static struct cqreek_irq_data cqreek_irq_data[NR_IRQS];
-
-static void disable_cqreek_irq(unsigned int irq)
-{
-	unsigned long flags;
-	unsigned short mask;
-	unsigned short mask_port = cqreek_irq_data[irq].mask_port;
-	unsigned short bit = cqreek_irq_data[irq].bit;
-
-	local_irq_save(flags);
-	/* Disable IRQ */
-	mask = inw(mask_port) & ~bit;
-	outw_p(mask, mask_port);
-	local_irq_restore(flags);
-}
-
-static void enable_cqreek_irq(unsigned int irq)
-{
-	unsigned long flags;
-	unsigned short mask;
-	unsigned short mask_port = cqreek_irq_data[irq].mask_port;
-	unsigned short bit = cqreek_irq_data[irq].bit;
-
-	local_irq_save(flags);
-	/* Enable IRQ */
-	mask = inw(mask_port) | bit;
-	outw_p(mask, mask_port);
-	local_irq_restore(flags);
-}
-
-static void mask_and_ack_cqreek(unsigned int irq)
-{
-	unsigned short stat_port = cqreek_irq_data[irq].stat_port;
-	unsigned short bit = cqreek_irq_data[irq].bit;
-
-	disable_cqreek_irq(irq);
-	/* Clear IRQ (it might be edge IRQ) */
-	inw(stat_port);
-	outw_p(bit, stat_port);
-}
-
-static void end_cqreek_irq(unsigned int irq)
-{
-	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-		enable_cqreek_irq(irq);
-}
-
-static unsigned int startup_cqreek_irq(unsigned int irq)
-{ 
-	enable_cqreek_irq(irq);
-	return 0;
-}
-
-static void shutdown_cqreek_irq(unsigned int irq)
-{
-	disable_cqreek_irq(irq);
-}
-
-static struct hw_interrupt_type cqreek_irq_type = {
-	.typename = "CqREEK-IRQ",
-	.startup = startup_cqreek_irq,
-	.shutdown = shutdown_cqreek_irq,
-	.enable = enable_cqreek_irq,
-	.disable = disable_cqreek_irq,
-	.ack = mask_and_ack_cqreek,
-	.end = end_cqreek_irq
-};
-
-int cqreek_has_ide, cqreek_has_isa;
-
-/* XXX: This is just for test for my NE2000 ISA board
-   What we really need is virtualized IRQ and demultiplexer like HP600 port */
-void __init init_cqreek_IRQ(void)
-{
-	if (cqreek_has_ide) {
-		cqreek_irq_data[14].mask_port = BRIDGE_IDE_INTR_MASK;
-		cqreek_irq_data[14].stat_port = BRIDGE_IDE_INTR_STAT;
-		cqreek_irq_data[14].bit = 1;
-
-		irq_desc[14].chip = &cqreek_irq_type;
-		irq_desc[14].status = IRQ_DISABLED;
-		irq_desc[14].action = 0;
-		irq_desc[14].depth = 1;
-
-		disable_cqreek_irq(14);
-	}
-
-	if (cqreek_has_isa) {
-		cqreek_irq_data[10].mask_port = BRIDGE_ISA_INTR_MASK;
-		cqreek_irq_data[10].stat_port = BRIDGE_ISA_INTR_STAT;
-		cqreek_irq_data[10].bit = (1 << 10);
-
-		/* XXX: Err... we may need demultiplexer for ISA irq... */
-		irq_desc[10].chip = &cqreek_irq_type;
-		irq_desc[10].status = IRQ_DISABLED;
-		irq_desc[10].action = 0;
-		irq_desc[10].depth = 1;
-
-		disable_cqreek_irq(10);
-	}
-}
-
diff --git a/arch/sh/boards/cqreek/setup.c b/arch/sh/boards/cqreek/setup.c
deleted file mode 100644
index eff4ed93599f..000000000000
--- a/arch/sh/boards/cqreek/setup.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/* $Id: setup.c,v 1.5 2003/08/04 01:51:58 lethal Exp $
- *
- * arch/sh/kernel/setup_cqreek.c
- *
- * Copyright (C) 2000  Niibe Yutaka
- *
- * CqREEK IDE/ISA Bridge Support.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-
-#include <asm/mach/cqreek.h>
-#include <asm/machvec.h>
-#include <asm/io.h>
-#include <asm/io_generic.h>
-#include <asm/irq.h>
-#include <asm/rtc.h>
-
-#define IDE_OFFSET 0xA4000000UL
-#define ISA_OFFSET 0xA4A00000UL
-
-const char *get_system_type(void)
-{
-	return "CqREEK";
-}
-
-static unsigned long cqreek_port2addr(unsigned long port)
-{
-	if (0x0000<=port && port<=0x0040)
-		return IDE_OFFSET + port;
-	if ((0x01f0<=port && port<=0x01f7) || port == 0x03f6)
-		return IDE_OFFSET + port;
-
-	return ISA_OFFSET + port;
-}
-
-/*
- * The Machine Vector
- */
-struct sh_machine_vector mv_cqreek __initmv = {
-#if defined(CONFIG_CPU_SH4)
-	.mv_nr_irqs		= 48,
-#elif defined(CONFIG_CPU_SUBTYPE_SH7708)
-	.mv_nr_irqs		= 32,
-#elif defined(CONFIG_CPU_SUBTYPE_SH7709)
-	.mv_nr_irqs		= 61,
-#endif
-
-	.mv_init_irq		= init_cqreek_IRQ,
-
-	.mv_isa_port2addr	= cqreek_port2addr,
-};
-ALIAS_MV(cqreek)
-
-/*
- * Initialize the board
- */
-void __init platform_setup(void)
-{
-	int i;
-/* udelay is not available at setup time yet... */
-#define DELAY() do {for (i=0; i<10000; i++) ctrl_inw(0xa0000000);} while(0)
-
-	if ((inw (BRIDGE_FEATURE) & 1)) { /* We have IDE interface */
-		outw_p(0, BRIDGE_IDE_INTR_LVL);
-		outw_p(0, BRIDGE_IDE_INTR_MASK);
-
-		outw_p(0, BRIDGE_IDE_CTRL);
-		DELAY();
-
-		outw_p(0x8000, BRIDGE_IDE_CTRL);
-		DELAY();
-
-		outw_p(0xffff, BRIDGE_IDE_INTR_STAT); /* Clear interrupt status */
-		outw_p(0x0f-14, BRIDGE_IDE_INTR_LVL); /* Use 14 IPR */
-		outw_p(1, BRIDGE_IDE_INTR_MASK); /* Enable interrupt */
-		cqreek_has_ide=1;
-	}
-
-	if ((inw (BRIDGE_FEATURE) & 2)) { /* We have ISA interface */
-		outw_p(0, BRIDGE_ISA_INTR_LVL);
-		outw_p(0, BRIDGE_ISA_INTR_MASK);
-
-		outw_p(0, BRIDGE_ISA_CTRL);
-		DELAY();
-		outw_p(0x8000, BRIDGE_ISA_CTRL);
-		DELAY();
-
-		outw_p(0xffff, BRIDGE_ISA_INTR_STAT); /* Clear interrupt status */
-		outw_p(0x0f-10, BRIDGE_ISA_INTR_LVL); /* Use 10 IPR */
-		outw_p(0xfff8, BRIDGE_ISA_INTR_MASK); /* Enable interrupt */
-		cqreek_has_isa=1;
-	}
-
-	printk(KERN_INFO "CqREEK Setup (IDE=%d, ISA=%d)...done\n", cqreek_has_ide, cqreek_has_isa);
-}
-
diff --git a/arch/sh/boards/dmida/Makefile b/arch/sh/boards/dmida/Makefile
deleted file mode 100644
index 75999aa0a2d9..000000000000
--- a/arch/sh/boards/dmida/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# Makefile for the DataMyte Industrial Digital Assistant(tm) specific parts
-# of the kernel
-#
-
-obj-y	 := mach.o
-
diff --git a/arch/sh/boards/dmida/mach.c b/arch/sh/boards/dmida/mach.c
deleted file mode 100644
index d03a25f989c2..000000000000
--- a/arch/sh/boards/dmida/mach.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * linux/arch/sh/boards/dmida/mach.c
- *
- * by Greg Banks <gbanks@pocketpenguins.com>
- * (c) 2000 PocketPenguins Inc
- *
- * Derived from mach_hp600.c, which bore the message:
- * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * Machine vector for the DataMyte Industrial Digital Assistant(tm).
- * See http://www.dmida.com
- *
- */
-
-#include <linux/init.h>
-
-#include <asm/machvec.h>
-#include <asm/rtc.h>
-#include <asm/machvec_init.h>
-
-#include <asm/io.h>
-#include <asm/hd64465/hd64465.h>
-#include <asm/irq.h>
-
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_dmida __initmv = {
-	.mv_nr_irqs		= HD64465_IRQ_BASE+HD64465_IRQ_NUM,
-
-	.mv_inb			= hd64465_inb,
-	.mv_inw			= hd64465_inw,
-	.mv_inl			= hd64465_inl,
-	.mv_outb		= hd64465_outb,
-	.mv_outw		= hd64465_outw,
-	.mv_outl		= hd64465_outl,
-
-	.mv_inb_p		= hd64465_inb_p,
-	.mv_inw_p		= hd64465_inw,
-	.mv_inl_p		= hd64465_inl,
-	.mv_outb_p		= hd64465_outb_p,
-	.mv_outw_p		= hd64465_outw,
-	.mv_outl_p		= hd64465_outl,
-
-	.mv_insb		= hd64465_insb,
-	.mv_insw		= hd64465_insw,
-	.mv_insl		= hd64465_insl,
-	.mv_outsb		= hd64465_outsb,
-	.mv_outsw		= hd64465_outsw,
-	.mv_outsl		= hd64465_outsl,
-
-	.mv_irq_demux		= hd64465_irq_demux,
-};
-ALIAS_MV(dmida)
-
diff --git a/arch/sh/boards/dreamcast/irq.c b/arch/sh/boards/dreamcast/irq.c
index b10a6b11c034..5bf01f86c20c 100644
--- a/arch/sh/boards/dreamcast/irq.c
+++ b/arch/sh/boards/dreamcast/irq.c
@@ -10,7 +10,6 @@
  */
 
 #include <linux/irq.h>
-
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/dreamcast/sysasic.h>
@@ -26,10 +25,10 @@
    event.
 
    There are three 32-bit ESRs located at 0xa05f8900 - 0xa05f6908.  Event
-   types can be found in include/asm-sh/dc_sysasic.h.  There are three groups
-   of EMRs that parallel the ESRs.  Each EMR group corresponds to an IRQ, so
-   0xa05f6910 - 0xa05f6918 triggers IRQ 13, 0xa05f6920 - 0xa05f6928 triggers
-   IRQ 11, and 0xa05f6930 - 0xa05f6938 triggers IRQ 9.
+   types can be found in include/asm-sh/dreamcast/sysasic.h. There are three
+   groups of EMRs that parallel the ESRs.  Each EMR group corresponds to an
+   IRQ, so 0xa05f6910 - 0xa05f6918 triggers IRQ 13, 0xa05f6920 - 0xa05f6928
+   triggers IRQ 11, and 0xa05f6930 - 0xa05f6938 triggers IRQ 9.
 
    In the kernel, these events are mapped to virtual IRQs so that drivers can
    respond to them as they would a normal interrupt.  In order to keep this
@@ -57,29 +56,23 @@
 /* Disable the hardware event by masking its bit in its EMR */
 static inline void disable_systemasic_irq(unsigned int irq)
 {
-        unsigned long flags;
         __u32 emr = EMR_BASE + (LEVEL(irq) << 4) + (LEVEL(irq) << 2);
         __u32 mask;
 
-        local_irq_save(flags);
         mask = inl(emr);
         mask &= ~(1 << EVENT_BIT(irq));
         outl(mask, emr);
-        local_irq_restore(flags);
 }
 
 /* Enable the hardware event by setting its bit in its EMR */
 static inline void enable_systemasic_irq(unsigned int irq)
 {
-        unsigned long flags;
         __u32 emr = EMR_BASE + (LEVEL(irq) << 4) + (LEVEL(irq) << 2);
         __u32 mask;
 
-        local_irq_save(flags);
         mask = inl(emr);
         mask |= (1 << EVENT_BIT(irq));
         outl(mask, emr);
-        local_irq_restore(flags);
 }
 
 /* Acknowledge a hardware event by writing its bit back to its ESR */
diff --git a/arch/sh/boards/dreamcast/rtc.c b/arch/sh/boards/dreamcast/rtc.c
index 379de1629134..b3a876a3b859 100644
--- a/arch/sh/boards/dreamcast/rtc.c
+++ b/arch/sh/boards/dreamcast/rtc.c
@@ -1,4 +1,5 @@
-/* arch/sh/kernel/rtc-aica.c
+/*
+ * arch/sh/boards/dreamcast/rtc.c
  *
  * Dreamcast AICA RTC routines.
  *
@@ -10,15 +11,12 @@
  */
 
 #include <linux/time.h>
-
+#include <asm/rtc.h>
 #include <asm/io.h>
 
-extern void (*rtc_get_time)(struct timespec *);
-extern int (*rtc_set_time)(const time_t);
-
 /* The AICA RTC has an Epoch of 1/1/1950, so we must subtract 20 years (in
-   seconds to get the standard Unix Epoch when getting the time, and add 20
-   years when setting the time. */
+   seconds) to get the standard Unix Epoch when getting the time, and add
+   20 years when setting the time. */
 #define TWENTY_YEARS ((20 * 365LU + 5) * 86400)
 
 /* The AICA RTC is represented by a 32-bit seconds counter stored in 2 16-bit
@@ -32,7 +30,8 @@ extern int (*rtc_set_time)(const time_t);
  *
  * Grabs the current RTC seconds counter and adjusts it to the Unix Epoch.
  */
-void aica_rtc_gettimeofday(struct timespec *ts) {
+void aica_rtc_gettimeofday(struct timespec *ts)
+{
 	unsigned long val1, val2;
 
 	do {
@@ -55,7 +54,8 @@ void aica_rtc_gettimeofday(struct timespec *ts) {
  *
  * Adjusts the given @tv to the AICA Epoch and sets the RTC seconds counter.
  */
-int aica_rtc_settimeofday(const time_t secs) {
+int aica_rtc_settimeofday(const time_t secs)
+{
 	unsigned long val1, val2;
 	unsigned long adj = secs + TWENTY_YEARS;
 
@@ -75,7 +75,7 @@ int aica_rtc_settimeofday(const time_t secs) {
 
 void aica_time_init(void)
 {
-	rtc_get_time = aica_rtc_gettimeofday;
-	rtc_set_time = aica_rtc_settimeofday;
+	rtc_sh_get_time = aica_rtc_gettimeofday;
+	rtc_sh_set_time = aica_rtc_settimeofday;
 }
 
diff --git a/arch/sh/boards/dreamcast/setup.c b/arch/sh/boards/dreamcast/setup.c
index 0027b80a2343..f13017eeeb27 100644
--- a/arch/sh/boards/dreamcast/setup.c
+++ b/arch/sh/boards/dreamcast/setup.c
@@ -22,41 +22,21 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/device.h>
-
 #include <asm/io.h>
 #include <asm/irq.h>
+#include <asm/rtc.h>
 #include <asm/machvec.h>
-#include <asm/machvec_init.h>
 #include <asm/mach/sysasic.h>
 
 extern struct hw_interrupt_type systemasic_int;
-/* XXX: Move this into it's proper header. */
-extern void (*board_time_init)(void);
 extern void aica_time_init(void);
 extern int gapspci_init(void);
 extern int systemasic_irq_demux(int);
 
-void *dreamcast_consistent_alloc(struct device *, size_t, dma_addr_t *, int);
+void *dreamcast_consistent_alloc(struct device *, size_t, dma_addr_t *, gfp_t);
 int dreamcast_consistent_free(struct device *, size_t, void *, dma_addr_t);
 
-const char *get_system_type(void)
-{
-	return "Sega Dreamcast";
-}
-
-struct sh_machine_vector mv_dreamcast __initmv = {
-	.mv_nr_irqs		= NR_IRQS,
-
-	.mv_irq_demux		= systemasic_irq_demux,
-
-#ifdef CONFIG_PCI
-	.mv_consistent_alloc	= dreamcast_consistent_alloc,
-	.mv_consistent_free	= dreamcast_consistent_free,
-#endif
-};
-ALIAS_MV(dreamcast)
-
-int __init platform_setup(void)
+static void __init dreamcast_setup(char **cmdline_p)
 {
 	int i;
 
@@ -78,6 +58,16 @@ int __init platform_setup(void)
 	if (gapspci_init() < 0)
 		printk(KERN_WARNING "GAPSPCI was not detected.\n");
 #endif
-
-	return 0;
 }
+
+struct sh_machine_vector mv_dreamcast __initmv = {
+	.mv_name		= "Sega Dreamcast",
+	.mv_setup		= dreamcast_setup,
+	.mv_irq_demux		= systemasic_irq_demux,
+
+#ifdef CONFIG_PCI
+	.mv_consistent_alloc	= dreamcast_consistent_alloc,
+	.mv_consistent_free	= dreamcast_consistent_free,
+#endif
+};
+ALIAS_MV(dreamcast)
diff --git a/arch/sh/boards/ec3104/setup.c b/arch/sh/boards/ec3104/setup.c
index 4b3ef16a0e96..902bc975a13e 100644
--- a/arch/sh/boards/ec3104/setup.c
+++ b/arch/sh/boards/ec3104/setup.c
@@ -21,22 +21,36 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/types.h>
-
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/machvec.h>
 #include <asm/mach/ec3104.h>
 
-const char *get_system_type(void)
+static void __init ec3104_setup(char **cmdline_p)
 {
-	return "EC3104";
+	char str[8];
+	int i;
+
+	for (i=0; i<8; i++)
+		str[i] = ctrl_readb(EC3104_BASE + i);
+
+	for (i = EC3104_IRQBASE; i < EC3104_IRQBASE + 32; i++)
+		irq_desc[i].handler = &ec3104_int;
+
+	printk("initializing EC3104 \"%.8s\" at %08x, IRQ %d, IRQ base %d\n",
+	       str, EC3104_BASE, EC3104_IRQ, EC3104_IRQBASE);
+
+	/* mask all interrupts.  this should have been done by the boot
+	 * loader for us but we want to be sure ... */
+	ctrl_writel(0xffffffff, EC3104_IMR);
 }
 
 /*
  * The Machine Vector
  */
-
 struct sh_machine_vector mv_ec3104 __initmv = {
+	.mv_name	= "EC3104",
+	.mv_setup	= ec3104_setup,
 	.mv_nr_irqs	= 96,
 
 	.mv_inb		= ec3104_inb,
@@ -48,31 +62,4 @@ struct sh_machine_vector mv_ec3104 __initmv = {
 
 	.mv_irq_demux	= ec3104_irq_demux,
 };
-
 ALIAS_MV(ec3104)
-
-int __init platform_setup(void)
-{
-	char str[8];
-	int i;
-	
-	if (0)
-		return 0;
-
-	for (i=0; i<8; i++)
-		str[i] = ctrl_readb(EC3104_BASE + i);
-
-	for (i = EC3104_IRQBASE; i < EC3104_IRQBASE + 32; i++)
-		irq_desc[i].chip = &ec3104_int;
-
-	printk("initializing EC3104 \"%.8s\" at %08x, IRQ %d, IRQ base %d\n",
-	       str, EC3104_BASE, EC3104_IRQ, EC3104_IRQBASE);
-
-
-	/* mask all interrupts.  this should have been done by the boot
-	 * loader for us but we want to be sure ... */
-	ctrl_writel(0xffffffff, EC3104_IMR);
-	
-	return 0;
-}
-
diff --git a/arch/sh/boards/harp/Makefile b/arch/sh/boards/harp/Makefile
deleted file mode 100644
index eb753d31812e..000000000000
--- a/arch/sh/boards/harp/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# Makefile for STMicroelectronics board specific parts of the kernel
-#
-
-obj-y := irq.o setup.o mach.o led.o
-
-obj-$(CONFIG_PCI) += pcidma.o
-
diff --git a/arch/sh/boards/harp/irq.c b/arch/sh/boards/harp/irq.c
deleted file mode 100644
index 96bb41c9fc55..000000000000
--- a/arch/sh/boards/harp/irq.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/* 
- * Copyright (C) 2000 David J. Mckay (david.mckay@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.                            
- *
- * Looks after interrupts on the HARP board.
- *
- * Bases on the IPR irq system
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/harp/harp.h>
-
-
-#define NUM_EXTERNAL_IRQS 16
-
-// Early versions of the STB1 Overdrive required this nasty frig
-//#define INVERT_INTMASK_WRITES
-
-static void enable_harp_irq(unsigned int irq);
-static void disable_harp_irq(unsigned int irq);
-
-/* shutdown is same as "disable" */
-#define shutdown_harp_irq disable_harp_irq
-
-static void mask_and_ack_harp(unsigned int);
-static void end_harp_irq(unsigned int irq);
-
-static unsigned int startup_harp_irq(unsigned int irq)
-{
-	enable_harp_irq(irq);
-	return 0;		/* never anything pending */
-}
-
-static struct hw_interrupt_type harp_irq_type = {
-	.typename = "Harp-IRQ",
-	.startup = startup_harp_irq,
-	.shutdown = shutdown_harp_irq,
-	.enable = enable_harp_irq,
-	.disable = disable_harp_irq,
-	.ack = mask_and_ack_harp,
-	.end = end_harp_irq
-};
-
-static void disable_harp_irq(unsigned int irq)
-{
-	unsigned val, flags;
-	unsigned maskReg;
-	unsigned mask;
-	int pri;
-
-	if (irq < 0 || irq >= NUM_EXTERNAL_IRQS)
-		return;
-
-	pri = 15 - irq;
-
-	if (pri < 8) {
-		maskReg = EPLD_INTMASK0;
-	} else {
-		maskReg = EPLD_INTMASK1;
-		pri -= 8;
-	}
-
-	local_irq_save(flags);
-	mask = ctrl_inl(maskReg);
-	mask &= (~(1 << pri));
-#if defined(INVERT_INTMASK_WRITES)
-	mask ^= 0xff;
-#endif
-	ctrl_outl(mask, maskReg);
-	local_irq_restore(flags);
-}
-
-static void enable_harp_irq(unsigned int irq)
-{
-	unsigned flags;
-	unsigned maskReg;
-	unsigned mask;
-	int pri;
-
-	if (irq < 0 || irq >= NUM_EXTERNAL_IRQS)
-		return;
-
-	pri = 15 - irq;
-
-	if (pri < 8) {
-		maskReg = EPLD_INTMASK0;
-	} else {
-		maskReg = EPLD_INTMASK1;
-		pri -= 8;
-	}
-
-	local_irq_save(flags);
-	mask = ctrl_inl(maskReg);
-
-
-	mask |= (1 << pri);
-
-#if defined(INVERT_INTMASK_WRITES)
-	mask ^= 0xff;
-#endif
-	ctrl_outl(mask, maskReg);
-
-	local_irq_restore(flags);
-}
-
-/* This functions sets the desired irq handler to be an overdrive type */
-static void __init make_harp_irq(unsigned int irq)
-{
-	disable_irq_nosync(irq);
-	irq_desc[irq].chip = &harp_irq_type;
-	disable_harp_irq(irq);
-}
-
-static void mask_and_ack_harp(unsigned int irq)
-{
-	disable_harp_irq(irq);
-}
-
-static void end_harp_irq(unsigned int irq)
-{
-	enable_harp_irq(irq);
-}
-
-void __init init_harp_irq(void)
-{
-	int i;
-
-#if !defined(INVERT_INTMASK_WRITES)
-	// On the harp these are set to enable an interrupt
-	ctrl_outl(0x00, EPLD_INTMASK0);
-	ctrl_outl(0x00, EPLD_INTMASK1);
-#else
-	// On the Overdrive the data is inverted before being stored in the reg
-	ctrl_outl(0xff, EPLD_INTMASK0);
-	ctrl_outl(0xff, EPLD_INTMASK1);
-#endif
-
-	for (i = 0; i < NUM_EXTERNAL_IRQS; i++) {
-		make_harp_irq(i);
-	}
-}
diff --git a/arch/sh/boards/harp/led.c b/arch/sh/boards/harp/led.c
deleted file mode 100644
index aeb7b392b190..000000000000
--- a/arch/sh/boards/harp/led.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * linux/arch/sh/stboards/led.c
- *
- * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com>
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * This file contains ST40STB1 HARP and compatible code.
- */
-
-#include <asm/io.h>
-#include <asm/harp/harp.h>
-
-/* Harp: Flash LD10 (front pannel) connected to EPLD (IC8) */
-/* Overdrive: Flash LD1 (front panel) connected to EPLD (IC4) */
-/* Works for HARP and overdrive */
-static void mach_led(int position, int value)
-{
-	if (value) {
-		ctrl_outl(EPLD_LED_ON, EPLD_LED);
-	} else {
-		ctrl_outl(EPLD_LED_OFF, EPLD_LED);
-	}
-}
-
-#ifdef CONFIG_HEARTBEAT
-
-#include <linux/sched.h>
-
-/* acts like an actual heart beat -- ie thump-thump-pause... */
-void heartbeat_harp(void)
-{
-	static unsigned cnt = 0, period = 0, dist = 0;
-
-	if (cnt == 0 || cnt == dist)
-		mach_led( -1, 1);
-	else if (cnt == 7 || cnt == dist+7)
-		mach_led( -1, 0);
-
-	if (++cnt > period) {
-		cnt = 0;
-		/* The hyperbolic function below modifies the heartbeat period
-		 * length in dependency of the current (5min) load. It goes
-		 * through the points f(0)=126, f(1)=86, f(5)=51,
-		 * f(inf)->30. */
-		period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
-		dist = period / 4;
-	}
-}
-#endif
diff --git a/arch/sh/boards/harp/mach.c b/arch/sh/boards/harp/mach.c
deleted file mode 100644
index a946dd1674ca..000000000000
--- a/arch/sh/boards/harp/mach.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * linux/arch/sh/boards/harp/mach.c
- *
- * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * Machine vector for the STMicroelectronics STB1 HARP and compatible boards
- */
-
-#include <linux/init.h>
-
-#include <asm/machvec.h>
-#include <asm/rtc.h>
-#include <asm/machvec_init.h>
-#include <asm/hd64465/io.h>
-#include <asm/hd64465/hd64465.h>
-
-void setup_harp(void);
-void init_harp_irq(void);
-void heartbeat_harp(void);
-
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_harp __initmv = {
-	.mv_nr_irqs		= 89 + HD64465_IRQ_NUM,
-
-	.mv_inb			= hd64465_inb,
-	.mv_inw			= hd64465_inw,
-	.mv_inl			= hd64465_inl,
-	.mv_outb		= hd64465_outb,
-	.mv_outw		= hd64465_outw,
-	.mv_outl		= hd64465_outl,
-
-	.mv_inb_p		= hd64465_inb_p,
-	.mv_inw_p		= hd64465_inw,
-	.mv_inl_p		= hd64465_inl,
-	.mv_outb_p		= hd64465_outb_p,
-	.mv_outw_p		= hd64465_outw,
-	.mv_outl_p		= hd64465_outl,
-
-	.mv_insb		= hd64465_insb,
-	.mv_insw		= hd64465_insw,
-	.mv_insl		= hd64465_insl,
-	.mv_outsb		= hd64465_outsb,
-	.mv_outsw		= hd64465_outsw,
-	.mv_outsl		= hd64465_outsl,
-
-        .mv_isa_port2addr       = hd64465_isa_port2addr,
-
-#ifdef CONFIG_PCI
-	.mv_init_irq		= init_harp_irq,
-#endif
-#ifdef CONFIG_HEARTBEAT
-	.mv_heartbeat		= heartbeat_harp,
-#endif
-};
-
-ALIAS_MV(harp)
diff --git a/arch/sh/boards/harp/pcidma.c b/arch/sh/boards/harp/pcidma.c
deleted file mode 100644
index 475311390fd6..000000000000
--- a/arch/sh/boards/harp/pcidma.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/* 
- * Copyright (C) 2001 David J. Mckay (david.mckay@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.                            
- *
- * Dynamic DMA mapping support.
- */
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/pci.h>
-#include <asm/io.h>
-#include <asm/addrspace.h>
-
-
-void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
-			   dma_addr_t * dma_handle)
-{
-	void *ret;
-	int gfp = GFP_ATOMIC;
-
-	ret = (void *) __get_free_pages(gfp, get_order(size));
-
-	if (ret != NULL) {
-	        /* Is it neccessary to do the memset? */
-		memset(ret, 0, size);
-		*dma_handle = virt_to_bus(ret);
-	}
-	/* We must flush the cache before we pass it on to the device */
-	flush_cache_all();
-	return  P2SEGADDR(ret);
-}
-
-void pci_free_consistent(struct pci_dev *hwdev, size_t size,
-			 void *vaddr, dma_addr_t dma_handle)
-{
-        unsigned long p1addr=P1SEGADDR((unsigned long)vaddr);
-
-	free_pages(p1addr, get_order(size));
-}
diff --git a/arch/sh/boards/harp/setup.c b/arch/sh/boards/harp/setup.c
deleted file mode 100644
index 886e450ab63e..000000000000
--- a/arch/sh/boards/harp/setup.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * arch/sh/stboard/setup.c
- *
- * Copyright (C) 2001 Stuart Menefy (stuart.menefy@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * STMicroelectronics ST40STB1 HARP and compatible support.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <asm/io.h>
-#include <asm/harp/harp.h>
-
-const char *get_system_type(void)
-{
-	return "STB1 Harp";
-}
-
-/*
- * Initialize the board
- */
-int __init platform_setup(void)
-{
-#ifdef CONFIG_SH_STB1_HARP
-	unsigned long ic8_version, ic36_version;
-
-	ic8_version = ctrl_inl(EPLD_REVID2);
-	ic36_version = ctrl_inl(EPLD_REVID1);
-
-        printk("STMicroelectronics STB1 HARP initialisaton\n");
-        printk("EPLD versions: IC8: %d.%02d, IC36: %d.%02d\n",
-               (ic8_version >> 4) & 0xf, ic8_version & 0xf,
-               (ic36_version >> 4) & 0xf, ic36_version & 0xf);
-#elif defined(CONFIG_SH_STB1_OVERDRIVE)
-	unsigned long version;
-
-	version = ctrl_inl(EPLD_REVID);
-
-        printk("STMicroelectronics STB1 Overdrive initialisaton\n");
-        printk("EPLD version: %d.%02d\n",
-	       (version >> 4) & 0xf, version & 0xf);
-#else
-#error Undefined machine
-#endif
- 
-        /* Currently all STB1 chips have problems with the sleep instruction,
-         * so disable it here.
-         */
-	disable_hlt();
-
-	return 0;
-}
-
-/*
- * pcibios_map_platform_irq
- *
- * This is board specific and returns the IRQ for a given PCI device.
- * It is used by the PCI code (arch/sh/kernel/st40_pci*)
- *
- */
-
-#define HARP_PCI_IRQ    1
-#define HARP_BRIDGE_IRQ 2
-#define OVERDRIVE_SLOT0_IRQ 0
-
-
-int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
-	switch (slot) {
-#ifdef CONFIG_SH_STB1_HARP
-	case 2:		/*This is the PCI slot on the */
-		return HARP_PCI_IRQ;
-	case 1:		/* this is the bridge */
-		return HARP_BRIDGE_IRQ;
-#elif defined(CONFIG_SH_STB1_OVERDRIVE)
-	case 1:
-	case 2:
-	case 3:
-		return slot - 1;
-#else
-#error Unknown board
-#endif
-	default:
-		return -1;
-	}
-}
-
diff --git a/arch/sh/boards/hp6xx/Makefile b/arch/sh/boards/hp6xx/Makefile
index 927fe0aa5dfa..ff1b7f5b4e91 100644
--- a/arch/sh/boards/hp6xx/Makefile
+++ b/arch/sh/boards/hp6xx/Makefile
@@ -2,5 +2,6 @@
 # Makefile for the HP6xx specific parts of the kernel
 #
 
-obj-y	 := mach.o setup.o
-
+obj-y	 		:= setup.o
+obj-$(CONFIG_PM)	+= pm.o pm_wakeup.o
+obj-$(CONFIG_APM)	+= hp6xx_apm.o
diff --git a/arch/sh/boards/hp6xx/hp6xx_apm.c b/arch/sh/boards/hp6xx/hp6xx_apm.c
new file mode 100644
index 000000000000..ad0e712c29f6
--- /dev/null
+++ b/arch/sh/boards/hp6xx/hp6xx_apm.c
@@ -0,0 +1,123 @@
+/*
+ * bios-less APM driver for hp680
+ *
+ * Copyright 2005 (c) Andriy Skulysh <askulysh@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License.
+ */
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/apm_bios.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+#include <asm/apm.h>
+#include <asm/adc.h>
+#include <asm/hp6xx/hp6xx.h>
+
+#define SH7709_PGDR			0xa400012c
+
+#define APM_CRITICAL			10
+#define APM_LOW				30
+
+#define HP680_BATTERY_MAX		875
+#define HP680_BATTERY_MIN		600
+#define HP680_BATTERY_AC_ON		900
+
+#define MODNAME "hp6x0_apm"
+
+static int hp6x0_apm_get_info(char *buf, char **start, off_t fpos, int length)
+{
+	u8 pgdr;
+	char *p;
+	int battery_status;
+	int battery_flag;
+	int ac_line_status;
+	int time_units = APM_BATTERY_LIFE_UNKNOWN;
+
+	int battery = adc_single(ADC_CHANNEL_BATTERY);
+	int backup = adc_single(ADC_CHANNEL_BACKUP);
+	int charging = adc_single(ADC_CHANNEL_CHARGE);
+	int percentage;
+
+	percentage = 100 * (battery - HP680_BATTERY_MIN) /
+			   (HP680_BATTERY_MAX - HP680_BATTERY_MIN);
+
+	ac_line_status = (battery > HP680_BATTERY_AC_ON) ?
+			 APM_AC_ONLINE : APM_AC_OFFLINE;
+
+	p = buf;
+
+	pgdr = ctrl_inb(SH7709_PGDR);
+	if (pgdr & PGDR_MAIN_BATTERY_OUT) {
+		battery_status = APM_BATTERY_STATUS_NOT_PRESENT;
+		battery_flag = 0x80;
+		percentage = -1;
+	} else if (charging < 8 ) {
+		battery_status = APM_BATTERY_STATUS_CHARGING;
+		battery_flag = 0x08;
+		ac_line_status = 0xff;
+	} else if (percentage <= APM_CRITICAL) {
+		battery_status = APM_BATTERY_STATUS_CRITICAL;
+		battery_flag = 0x04;
+	} else if (percentage <= APM_LOW) {
+		battery_status = APM_BATTERY_STATUS_LOW;
+		battery_flag = 0x02;
+	} else {
+		battery_status = APM_BATTERY_STATUS_HIGH;
+		battery_flag = 0x01;
+	}
+
+	p += sprintf(p, "1.0 1.2 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n",
+		     APM_32_BIT_SUPPORT,
+		     ac_line_status,
+		     battery_status,
+		     battery_flag,
+		     percentage,
+		     time_units,
+		     "min");
+	p += sprintf(p, "bat=%d backup=%d charge=%d\n",
+		     battery, backup, charging);
+
+	return p - buf;
+}
+
+static irqreturn_t hp6x0_apm_interrupt(int irq, void *dev, struct pt_regs *regs)
+{
+	if (!apm_suspended)
+		apm_queue_event(APM_USER_SUSPEND);
+
+	return IRQ_HANDLED;
+}
+
+static int __init hp6x0_apm_init(void)
+{
+	int ret;
+
+	ret = request_irq(HP680_BTN_IRQ, hp6x0_apm_interrupt,
+			  SA_INTERRUPT, MODNAME, 0);
+	if (unlikely(ret < 0)) {
+		printk(KERN_ERR MODNAME ": IRQ %d request failed\n",
+		       HP680_BTN_IRQ);
+		return ret;
+	}
+
+	apm_get_info = hp6x0_apm_get_info;
+
+	return ret;
+}
+
+static void __exit hp6x0_apm_exit(void)
+{
+	free_irq(HP680_BTN_IRQ, 0);
+	apm_get_info = 0;
+}
+
+module_init(hp6x0_apm_init);
+module_exit(hp6x0_apm_exit);
+
+MODULE_AUTHOR("Adriy Skulysh");
+MODULE_DESCRIPTION("hp6xx Advanced Power Management");
+MODULE_LICENSE("GPL");
diff --git a/arch/sh/boards/hp6xx/pm.c b/arch/sh/boards/hp6xx/pm.c
new file mode 100644
index 000000000000..0e501bcbd7a9
--- /dev/null
+++ b/arch/sh/boards/hp6xx/pm.c
@@ -0,0 +1,88 @@
+/*
+ * hp6x0 Power Management Routines
+ *
+ * Copyright (c) 2006 Andriy Skulysh <askulsyh@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License.
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/suspend.h>
+#include <linux/errno.h>
+#include <linux/time.h>
+#include <asm/io.h>
+#include <asm/hd64461.h>
+#include <asm/hp6xx/hp6xx.h>
+#include <asm/cpu/dac.h>
+#include <asm/pm.h>
+
+#define STBCR		0xffffff82
+#define STBCR2		0xffffff88
+
+static int hp6x0_pm_enter(suspend_state_t state)
+{
+	u8 stbcr, stbcr2;
+#ifdef CONFIG_HD64461_ENABLER
+	u8 scr;
+	u16 hd64461_stbcr;
+#endif
+
+	if (state != PM_SUSPEND_MEM)
+		return -EINVAL;
+
+#ifdef CONFIG_HD64461_ENABLER
+	outb(0, HD64461_PCC1CSCIER);
+
+	scr = inb(HD64461_PCC1SCR);
+	scr |= HD64461_PCCSCR_VCC1;
+	outb(scr, HD64461_PCC1SCR);
+
+	hd64461_stbcr = inw(HD64461_STBCR);
+	hd64461_stbcr |= HD64461_STBCR_SPC1ST;
+	outw(hd64461_stbcr, HD64461_STBCR);
+#endif
+
+	ctrl_outb(0x1f, DACR);
+
+	stbcr = ctrl_inb(STBCR);
+	ctrl_outb(0x01, STBCR);
+
+	stbcr2 = ctrl_inb(STBCR2);
+	ctrl_outb(0x7f , STBCR2);
+
+	outw(0xf07f, HD64461_SCPUCR);
+
+	pm_enter();
+
+	outw(0, HD64461_SCPUCR);
+	ctrl_outb(stbcr, STBCR);
+	ctrl_outb(stbcr2, STBCR2);
+
+#ifdef CONFIG_HD64461_ENABLER
+	hd64461_stbcr = inw(HD64461_STBCR);
+	hd64461_stbcr &= ~HD64461_STBCR_SPC1ST;
+	outw(hd64461_stbcr, HD64461_STBCR);
+
+	outb(0x4c, HD64461_PCC1CSCIER);
+	outb(0x00, HD64461_PCC1CSCR);
+#endif
+
+	return 0;
+}
+
+/*
+ * Set to PM_DISK_FIRMWARE so we can quickly veto suspend-to-disk.
+ */
+static struct pm_ops hp6x0_pm_ops = {
+	.pm_disk_mode	= PM_DISK_FIRMWARE,
+	.enter		= hp6x0_pm_enter,
+};
+
+static int __init hp6x0_pm_init(void)
+{
+	pm_set_ops(&hp6x0_pm_ops);
+	return 0;
+}
+
+late_initcall(hp6x0_pm_init);
diff --git a/arch/sh/boards/hp6xx/pm_wakeup.S b/arch/sh/boards/hp6xx/pm_wakeup.S
new file mode 100644
index 000000000000..45e9bf0b9115
--- /dev/null
+++ b/arch/sh/boards/hp6xx/pm_wakeup.S
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2006 Andriy Skulysh <askulsyh@gmail.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+
+#include <linux/linkage.h>
+#include <asm/cpu/mmu_context.h>
+
+#define k0	r0
+#define k1	r1
+#define k2	r2
+#define k3	r3
+#define k4	r4
+
+/*
+ * Kernel mode register usage:
+ *	k0	scratch
+ *	k1	scratch
+ *	k2	scratch (Exception code)
+ *	k3	scratch (Return address)
+ *	k4	scratch
+ *	k5	reserved
+ *	k6	Global Interrupt Mask (0--15 << 4)
+ *	k7	CURRENT_THREAD_INFO (pointer to current thread info)
+ */
+
+ENTRY(wakeup_start)
+! clear STBY bit
+	mov	#-126, k2
+   	and	#127, k0
+	mov.b	k0, @k2
+! enable refresh
+	mov.l	5f, k1
+	mov.w	6f, k0
+  	mov.w	k0, @k1
+! jump to handler
+	mov.l	2f, k2
+	mov.l	3f, k3
+	mov.l	@k2, k2
+
+	mov.l	4f, k1
+	jmp	@k1
+	nop
+
+	.align	2
+1:	.long	EXPEVT
+2:	.long	INTEVT
+3:	.long	ret_from_irq
+4:	.long	handle_exception
+5:	.long	0xffffff68
+6:	.word	0x0524
+
+ENTRY(wakeup_end)
+	nop
diff --git a/arch/sh/boards/hp6xx/setup.c b/arch/sh/boards/hp6xx/setup.c
index 71f315663cc9..60ab17ad6054 100644
--- a/arch/sh/boards/hp6xx/setup.c
+++ b/arch/sh/boards/hp6xx/setup.c
@@ -8,22 +8,22 @@
  *
  * Setup code for an HP680  (internal peripherials only)
  */
-
+#include <linux/types.h>
 #include <linux/init.h>
-#include <asm/io.h>
 #include <asm/hd64461.h>
+#include <asm/io.h>
+#include <asm/irq.h>
 #include <asm/hp6xx/hp6xx.h>
 #include <asm/cpu/dac.h>
 
-const char *get_system_type(void)
-{
-	return "HP6xx";
-}
+#define	SCPCR	0xa4000116
+#define SCPDR	0xa4000136
 
-int __init platform_setup(void)
+static void __init hp6xx_setup(char **cmdline_p)
 {
 	u8 v8;
 	u16 v;
+
 	v = inw(HD64461_STBCR);
 	v |= HD64461_STBCR_SURTST | HD64461_STBCR_SIRST |
 	    HD64461_STBCR_STM1ST | HD64461_STBCR_STM0ST |
@@ -50,5 +50,51 @@ int __init platform_setup(void)
 	v8 &= ~DACR_DAE;
 	ctrl_outb(v8,DACR);
 
-	return 0;
+	v8 = ctrl_inb(SCPDR);
+	v8 |= SCPDR_TS_SCAN_X | SCPDR_TS_SCAN_Y;
+	v8 &= ~SCPDR_TS_SCAN_ENABLE;
+	ctrl_outb(v8, SCPDR);
+
+	v = ctrl_inw(SCPCR);
+	v &= ~SCPCR_TS_MASK;
+	v |= SCPCR_TS_ENABLE;
+	ctrl_outw(v, SCPCR);
 }
+
+/*
+ * XXX: This is stupid, we should have a generic machine vector for the cchips
+ * and just wrap the platform setup code in to this, as it's the only thing
+ * that ends up being different.
+ */
+struct sh_machine_vector mv_hp6xx __initmv = {
+	.mv_name = "hp6xx",
+	.mv_setup = hp6xx_setup,
+	.mv_nr_irqs = HD64461_IRQBASE + HD64461_IRQ_NUM,
+
+	.mv_inb = hd64461_inb,
+	.mv_inw = hd64461_inw,
+	.mv_inl = hd64461_inl,
+	.mv_outb = hd64461_outb,
+	.mv_outw = hd64461_outw,
+	.mv_outl = hd64461_outl,
+
+	.mv_inb_p = hd64461_inb_p,
+	.mv_inw_p = hd64461_inw,
+	.mv_inl_p = hd64461_inl,
+	.mv_outb_p = hd64461_outb_p,
+	.mv_outw_p = hd64461_outw,
+	.mv_outl_p = hd64461_outl,
+
+	.mv_insb = hd64461_insb,
+	.mv_insw = hd64461_insw,
+	.mv_insl = hd64461_insl,
+	.mv_outsb = hd64461_outsb,
+	.mv_outsw = hd64461_outsw,
+	.mv_outsl = hd64461_outsl,
+
+	.mv_readw = hd64461_readw,
+	.mv_writew = hd64461_writew,
+
+	.mv_irq_demux = hd64461_irq_demux,
+};
+ALIAS_MV(hp6xx)
diff --git a/arch/sh/boards/landisk/Makefile b/arch/sh/boards/landisk/Makefile
new file mode 100644
index 000000000000..89e4beb2ad47
--- /dev/null
+++ b/arch/sh/boards/landisk/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for I-O DATA DEVICE, INC. "LANDISK Series"
+#
+
+obj-y	 := setup.o io.o irq.o rtc.o landisk_pwb.o
diff --git a/arch/sh/boards/landisk/io.c b/arch/sh/boards/landisk/io.c
new file mode 100644
index 000000000000..92498b4947d5
--- /dev/null
+++ b/arch/sh/boards/landisk/io.c
@@ -0,0 +1,250 @@
+/*
+ * arch/sh/boards/landisk/io.c
+ *
+ * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
+ * Based largely on io_se.c.
+ *
+ * I/O routine for I-O Data Device, Inc. LANDISK.
+ *
+ * Initial version only to support LAN access; some
+ * placeholder code from io_landisk.c left in with the
+ * expectation of later SuperIO and PCMCIA access.
+ */
+/*
+ * modifed by kogiidena
+ * 2005.03.03
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <asm/landisk/iodata_landisk.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+
+extern void *area5_io_base;	/* Area 5 I/O Base address */
+extern void *area6_io_base;	/* Area 6 I/O Base address */
+
+static inline unsigned long port2adr(unsigned int port)
+{
+	if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6)
+		if (port == 0x3f6)
+			return ((unsigned long)area5_io_base + 0x2c);
+		else
+			return ((unsigned long)area5_io_base + PA_PIDE_OFFSET +
+				((port - 0x1f0) << 1));
+	else if ((0x170 <= port && port < 0x178) || port == 0x376)
+		if (port == 0x376)
+			return ((unsigned long)area6_io_base + 0x2c);
+		else
+			return ((unsigned long)area6_io_base + PA_SIDE_OFFSET +
+				((port - 0x170) << 1));
+	else
+		maybebadio((unsigned long)port);
+
+	return port;
+}
+
+/*
+ * General outline: remap really low stuff [eventually] to SuperIO,
+ * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
+ * is mapped through the PCI IO window.  Stuff with high bits (PXSEG)
+ * should be way beyond the window, and is used  w/o translation for
+ * compatibility.
+ */
+u8 landisk_inb(unsigned long port)
+{
+	if (PXSEG(port))
+		return ctrl_inb(port);
+	else if (is_pci_ioaddr(port))
+		return ctrl_inb(pci_ioaddr(port));
+
+	return ctrl_inw(port2adr(port)) & 0xff;
+}
+
+u8 landisk_inb_p(unsigned long port)
+{
+	u8 v;
+
+	if (PXSEG(port))
+		v = ctrl_inb(port);
+	else if (is_pci_ioaddr(port))
+		v = ctrl_inb(pci_ioaddr(port));
+	else
+		v = ctrl_inw(port2adr(port)) & 0xff;
+
+	ctrl_delay();
+
+	return v;
+}
+
+u16 landisk_inw(unsigned long port)
+{
+	if (PXSEG(port))
+		return ctrl_inw(port);
+	else if (is_pci_ioaddr(port))
+		return ctrl_inw(pci_ioaddr(port));
+	else
+		maybebadio(port);
+
+	return 0;
+}
+
+u32 landisk_inl(unsigned long port)
+{
+	if (PXSEG(port))
+		return ctrl_inl(port);
+	else if (is_pci_ioaddr(port))
+		return ctrl_inl(pci_ioaddr(port));
+	else
+		maybebadio(port);
+
+	return 0;
+}
+
+void landisk_outb(u8 value, unsigned long port)
+{
+	if (PXSEG(port))
+		ctrl_outb(value, port);
+	else if (is_pci_ioaddr(port))
+		ctrl_outb(value, pci_ioaddr(port));
+	else
+		ctrl_outw(value, port2adr(port));
+}
+
+void landisk_outb_p(u8 value, unsigned long port)
+{
+	if (PXSEG(port))
+		ctrl_outb(value, port);
+	else if (is_pci_ioaddr(port))
+		ctrl_outb(value, pci_ioaddr(port));
+	else
+		ctrl_outw(value, port2adr(port));
+	ctrl_delay();
+}
+
+void landisk_outw(u16 value, unsigned long port)
+{
+	if (PXSEG(port))
+		ctrl_outw(value, port);
+	else if (is_pci_ioaddr(port))
+		ctrl_outw(value, pci_ioaddr(port));
+	else
+		maybebadio(port);
+}
+
+void landisk_outl(u32 value, unsigned long port)
+{
+	if (PXSEG(port))
+		ctrl_outl(value, port);
+	else if (is_pci_ioaddr(port))
+		ctrl_outl(value, pci_ioaddr(port));
+	else
+		maybebadio(port);
+}
+
+void landisk_insb(unsigned long port, void *dst, unsigned long count)
+{
+        volatile u16 *p;
+        u8 *buf = dst;
+
+        if (PXSEG(port)) {
+                while (count--)
+                        *buf++ = *(volatile u8 *)port;
+	} else if (is_pci_ioaddr(port)) {
+                volatile u8 *bp = (volatile u8 *)pci_ioaddr(port);
+
+                while (count--)
+                        *buf++ = *bp;
+	} else {
+                p = (volatile u16 *)port2adr(port);
+                while (count--)
+                        *buf++ = *p & 0xff;
+	}
+}
+
+void landisk_insw(unsigned long port, void *dst, unsigned long count)
+{
+        volatile u16 *p;
+        u16 *buf = dst;
+
+	if (PXSEG(port))
+		p = (volatile u16 *)port;
+	else if (is_pci_ioaddr(port))
+		p = (volatile u16 *)pci_ioaddr(port);
+	else
+		p = (volatile u16 *)port2adr(port);
+	while (count--)
+		*buf++ = *p;
+}
+
+void landisk_insl(unsigned long port, void *dst, unsigned long count)
+{
+        u32 *buf = dst;
+
+	if (is_pci_ioaddr(port)) {
+                volatile u32 *p = (volatile u32 *)pci_ioaddr(port);
+
+                while (count--)
+                        *buf++ = *p;
+	} else
+		maybebadio(port);
+}
+
+void landisk_outsb(unsigned long port, const void *src, unsigned long count)
+{
+        volatile u16 *p;
+        const u8 *buf = src;
+
+	if (PXSEG(port))
+                while (count--)
+                        ctrl_outb(*buf++, port);
+	else if (is_pci_ioaddr(port)) {
+                volatile u8 *bp = (volatile u8 *)pci_ioaddr(port);
+
+                while (count--)
+                        *bp = *buf++;
+	} else {
+                p = (volatile u16 *)port2adr(port);
+                while (count--)
+                        *p = *buf++;
+	}
+}
+
+void landisk_outsw(unsigned long port, const void *src, unsigned long count)
+{
+        volatile u16 *p;
+        const u16 *buf = src;
+
+	if (PXSEG(port))
+                p = (volatile u16 *)port;
+	else if (is_pci_ioaddr(port))
+                p = (volatile u16 *)pci_ioaddr(port);
+	else
+                p = (volatile u16 *)port2adr(port);
+
+        while (count--)
+                *p = *buf++;
+}
+
+void landisk_outsl(unsigned long port, const void *src, unsigned long count)
+{
+        const u32 *buf = src;
+
+	if (is_pci_ioaddr(port)) {
+                volatile u32 *p = (volatile u32 *)pci_ioaddr(port);
+
+                while (count--)
+                        *p = *buf++;
+	} else
+		maybebadio(port);
+}
+
+void __iomem *landisk_ioport_map(unsigned long port, unsigned int size)
+{
+        if (PXSEG(port))
+                return (void __iomem *)port;
+        else if (is_pci_ioaddr(port))
+                return (void __iomem *)pci_ioaddr(port);
+
+        return (void __iomem *)port2adr(port);
+}
diff --git a/arch/sh/boards/landisk/irq.c b/arch/sh/boards/landisk/irq.c
new file mode 100644
index 000000000000..a006d6443225
--- /dev/null
+++ b/arch/sh/boards/landisk/irq.c
@@ -0,0 +1,99 @@
+/*
+ * arch/sh/boards/landisk/irq.c
+ *
+ * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
+ * Based largely on io_se.c.
+ *
+ * I/O routine for I-O Data Device, Inc. LANDISK.
+ *
+ * Initial version only to support LAN access; some
+ * placeholder code from io_landisk.c left in with the
+ * expectation of later SuperIO and PCMCIA access.
+ */
+/*
+ * modified by kogiidena
+ * 2005.03.03
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/landisk/iodata_landisk.h>
+
+static void enable_landisk_irq(unsigned int irq);
+static void disable_landisk_irq(unsigned int irq);
+
+/* shutdown is same as "disable" */
+#define shutdown_landisk_irq disable_landisk_irq
+
+static void ack_landisk_irq(unsigned int irq);
+static void end_landisk_irq(unsigned int irq);
+
+static unsigned int startup_landisk_irq(unsigned int irq)
+{
+	enable_landisk_irq(irq);
+	return 0;		/* never anything pending */
+}
+
+static void disable_landisk_irq(unsigned int irq)
+{
+	unsigned char val;
+	unsigned char mask = 0xff ^ (0x01 << (irq - 5));
+
+	/* Set the priority in IPR to 0 */
+	val = ctrl_inb(PA_IMASK);
+	val &= mask;
+	ctrl_outb(val, PA_IMASK);
+}
+
+static void enable_landisk_irq(unsigned int irq)
+{
+	unsigned char val;
+	unsigned char value = (0x01 << (irq - 5));
+
+	/* Set priority in IPR back to original value */
+	val = ctrl_inb(PA_IMASK);
+	val |= value;
+	ctrl_outb(val, PA_IMASK);
+}
+
+static void ack_landisk_irq(unsigned int irq)
+{
+	disable_landisk_irq(irq);
+}
+
+static void end_landisk_irq(unsigned int irq)
+{
+	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+		enable_landisk_irq(irq);
+}
+
+static struct hw_interrupt_type landisk_irq_type = {
+	.typename = "LANDISK IRQ",
+	.startup = startup_landisk_irq,
+	.shutdown = shutdown_landisk_irq,
+	.enable = enable_landisk_irq,
+	.disable = disable_landisk_irq,
+	.ack = ack_landisk_irq,
+	.end = end_landisk_irq
+};
+
+static void make_landisk_irq(unsigned int irq)
+{
+	disable_irq_nosync(irq);
+	irq_desc[irq].handler = &landisk_irq_type;
+	disable_landisk_irq(irq);
+}
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_landisk_IRQ(void)
+{
+	int i;
+
+	for (i = 5; i < 14; i++)
+		make_landisk_irq(i);
+}
diff --git a/arch/sh/boards/landisk/landisk_pwb.c b/arch/sh/boards/landisk/landisk_pwb.c
new file mode 100644
index 000000000000..e75cb578a28b
--- /dev/null
+++ b/arch/sh/boards/landisk/landisk_pwb.c
@@ -0,0 +1,348 @@
+/*
+ * arch/sh/boards/landisk/landisk_pwb.c -- driver for the Power control switch.
+ *
+ * This driver will also support the I-O DATA Device, Inc. LANDISK Board.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copylight (C) 2002 Atom Create Engineering Co., Ltd.
+ *
+ * LED control drive function added by kogiidena
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/signal.h>
+#include <linux/major.h>
+#include <linux/poll.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+#include <asm/landisk/iodata_landisk.h>
+
+#define SHUTDOWN_BTN_MINOR	1	/* Shutdown button device minor no. */
+#define LED_MINOR	       21	/* LED minor no. */
+#define BTN_MINOR	       22	/* BUTTON minor no. */
+#define GIO_MINOR	       40	/* GIO minor no. */
+
+static int openCnt;
+static int openCntLED;
+static int openCntGio;
+static int openCntBtn;
+static int landisk_btn;
+static int landisk_btnctrlpid;
+/*
+ * Functions prototypes
+ */
+
+static int gio_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
+		     unsigned long arg);
+
+static int swdrv_open(struct inode *inode, struct file *filp)
+{
+	int minor;
+
+	minor = MINOR(inode->i_rdev);
+	filp->private_data = (void *)minor;
+
+	if (minor == SHUTDOWN_BTN_MINOR) {
+		if (openCnt > 0) {
+			return -EALREADY;
+		} else {
+			openCnt++;
+			return 0;
+		}
+	} else if (minor == LED_MINOR) {
+		if (openCntLED > 0) {
+			return -EALREADY;
+		} else {
+			openCntLED++;
+			return 0;
+		}
+	} else if (minor == BTN_MINOR) {
+		if (openCntBtn > 0) {
+			return -EALREADY;
+		} else {
+			openCntBtn++;
+			return 0;
+		}
+	} else if (minor == GIO_MINOR) {
+		if (openCntGio > 0) {
+			return -EALREADY;
+		} else {
+			openCntGio++;
+			return 0;
+		}
+	}
+	return -ENOENT;
+
+}
+
+static int swdrv_close(struct inode *inode, struct file *filp)
+{
+	int minor;
+
+	minor = MINOR(inode->i_rdev);
+	if (minor == SHUTDOWN_BTN_MINOR) {
+		openCnt--;
+	} else if (minor == LED_MINOR) {
+		openCntLED--;
+	} else if (minor == BTN_MINOR) {
+		openCntBtn--;
+	} else if (minor == GIO_MINOR) {
+		openCntGio--;
+	}
+	return 0;
+}
+
+static int swdrv_read(struct file *filp, char *buff, size_t count,
+		      loff_t * ppos)
+{
+	int minor;
+	minor = (int)(filp->private_data);
+
+	if (!access_ok(VERIFY_WRITE, (void *)buff, count))
+		return -EFAULT;
+
+	if (minor == SHUTDOWN_BTN_MINOR) {
+		if (landisk_btn & 0x10) {
+			put_user(1, buff);
+			return 1;
+		} else {
+			return 0;
+		}
+	}
+	return 0;
+}
+
+static int swdrv_write(struct file *filp, const char *buff, size_t count,
+		       loff_t * ppos)
+{
+	int minor;
+	minor = (int)(filp->private_data);
+
+	if (minor == SHUTDOWN_BTN_MINOR) {
+		return count;
+	}
+	return count;
+}
+
+static irqreturn_t sw_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+	landisk_btn = (0x0ff & (~ctrl_inb(PA_STATUS)));
+	disable_irq(IRQ_BUTTON);
+	disable_irq(IRQ_POWER);
+	ctrl_outb(0x00, PA_PWRINT_CLR);
+
+	if (landisk_btnctrlpid != 0) {
+		kill_proc(landisk_btnctrlpid, SIGUSR1, 1);
+		landisk_btnctrlpid = 0;
+	}
+
+	return IRQ_HANDLED;
+}
+
+static struct file_operations swdrv_fops = {
+	.read = swdrv_read,	/* read */
+	.write = swdrv_write,	/* write */
+	.open = swdrv_open,	/* open */
+	.release = swdrv_close,	/* release */
+	.ioctl = gio_ioctl,	/* ioctl */
+
+};
+
+static char banner[] __initdata =
+    KERN_INFO "LANDISK and USL-5P Button, LED and GIO driver initialized\n";
+
+int __init swdrv_init(void)
+{
+	int error;
+
+	printk("%s", banner);
+
+	openCnt = 0;
+	openCntLED = 0;
+	openCntBtn = 0;
+	openCntGio = 0;
+	landisk_btn = 0;
+	landisk_btnctrlpid = 0;
+
+	if ((error = register_chrdev(SHUTDOWN_BTN_MAJOR, "swdrv", &swdrv_fops))) {
+		printk(KERN_ERR
+		       "Button, LED and GIO driver:Couldn't register driver, error=%d\n",
+		       error);
+		return 1;
+	}
+
+	if (request_irq(IRQ_POWER, sw_interrupt, 0, "SHUTDOWNSWITCH", NULL)) {
+		printk(KERN_ERR "Unable to get IRQ 11.\n");
+		return 1;
+	}
+	if (request_irq(IRQ_BUTTON, sw_interrupt, 0, "USL-5P BUTTON", NULL)) {
+		printk(KERN_ERR "Unable to get IRQ 12.\n");
+		return 1;
+	}
+	ctrl_outb(0x00, PA_PWRINT_CLR);
+
+	return 0;
+}
+
+module_init(swdrv_init);
+
+/*
+ * gio driver
+ *
+ */
+
+#include <asm/landisk/gio.h>
+
+static int gio_ioctl(struct inode *inode, struct file *filp,
+		     unsigned int cmd, unsigned long arg)
+{
+	int minor;
+	unsigned int data, mask;
+	static unsigned int addr = 0;
+
+	minor = (int)(filp->private_data);
+
+	/* access control */
+	if (minor == GIO_MINOR) {
+		;
+	} else if (minor == LED_MINOR) {
+		if (((cmd & 0x0ff) >= 9) && ((cmd & 0x0ff) < 20)) {
+			;
+		} else {
+			return -EINVAL;
+		}
+	} else if (minor == BTN_MINOR) {
+		if (((cmd & 0x0ff) >= 20) && ((cmd & 0x0ff) < 30)) {
+			;
+		} else {
+			return -EINVAL;
+		}
+	} else {
+		return -EINVAL;
+	}
+
+	if (cmd & 0x01) {	/* write */
+		if (copy_from_user(&data, (int *)arg, sizeof(int))) {
+			return -EFAULT;
+		}
+	}
+
+	switch (cmd) {
+	case GIODRV_IOCSGIOSETADDR:	/* addres set */
+		addr = data;
+		break;
+
+	case GIODRV_IOCSGIODATA1:	/* write byte */
+		ctrl_outb((unsigned char)(0x0ff & data), addr);
+		break;
+
+	case GIODRV_IOCSGIODATA2:	/* write word */
+		if (addr & 0x01) {
+			return -EFAULT;
+		}
+		ctrl_outw((unsigned short int)(0x0ffff & data), addr);
+		break;
+
+	case GIODRV_IOCSGIODATA4:	/* write long */
+		if (addr & 0x03) {
+			return -EFAULT;
+		}
+		ctrl_outl(data, addr);
+		break;
+
+	case GIODRV_IOCGGIODATA1:	/* read byte */
+		data = ctrl_inb(addr);
+		break;
+
+	case GIODRV_IOCGGIODATA2:	/* read word */
+		if (addr & 0x01) {
+			return -EFAULT;
+		}
+		data = ctrl_inw(addr);
+		break;
+
+	case GIODRV_IOCGGIODATA4:	/* read long */
+		if (addr & 0x03) {
+			return -EFAULT;
+		}
+		data = ctrl_inl(addr);
+		break;
+	case GIODRV_IOCSGIO_LED:	/* write */
+		mask = ((data & 0x00ffffff) << 8)
+		    | ((data & 0x0000ffff) << 16)
+		    | ((data & 0x000000ff) << 24);
+		landisk_ledparam = data & (~mask);
+		if (landisk_arch == 0) {	/* arch == landisk */
+			landisk_ledparam &= 0x03030303;
+			mask = (~(landisk_ledparam >> 22)) & 0x000c;
+			landisk_ledparam |= mask;
+		} else {	                /* arch == usl-5p */
+			mask = (landisk_ledparam >> 24) & 0x0001;
+			landisk_ledparam |= mask;
+			landisk_ledparam &= 0x007f7f7f;
+		}
+		landisk_ledparam |= 0x80;
+		break;
+	case GIODRV_IOCGGIO_LED:	/* read */
+		data = landisk_ledparam;
+		if (landisk_arch == 0) {	/* arch == landisk */
+			data &= 0x03030303;
+		} else {	                /* arch == usl-5p */
+			;
+		}
+		data &= (~0x080);
+		break;
+	case GIODRV_IOCSGIO_BUZZER:	/* write */
+		landisk_buzzerparam = data;
+		landisk_ledparam |= 0x80;
+		break;
+	case GIODRV_IOCGGIO_LANDISK:	/* read */
+		data = landisk_arch & 0x01;
+		break;
+	case GIODRV_IOCGGIO_BTN:	/* read */
+		data = (0x0ff & ctrl_inb(PA_PWRINT_CLR));
+		data <<= 8;
+		data |= (0x0ff & ctrl_inb(PA_IMASK));
+		data <<= 8;
+		data |= (0x0ff & landisk_btn);
+		data <<= 8;
+		data |= (0x0ff & (~ctrl_inb(PA_STATUS)));
+		break;
+	case GIODRV_IOCSGIO_BTNPID:	/* write */
+		landisk_btnctrlpid = data;
+		landisk_btn = 0;
+		if (irq_desc[IRQ_BUTTON].depth) {
+			enable_irq(IRQ_BUTTON);
+		}
+		if (irq_desc[IRQ_POWER].depth) {
+			enable_irq(IRQ_POWER);
+		}
+		break;
+	case GIODRV_IOCGGIO_BTNPID:	/* read */
+		data = landisk_btnctrlpid;
+		break;
+	default:
+		return -EFAULT;
+		break;
+	}
+
+	if ((cmd & 0x01) == 0) {	/* read */
+		if (copy_to_user((int *)arg, &data, sizeof(int))) {
+			return -EFAULT;
+		}
+	}
+	return 0;
+}
diff --git a/arch/sh/boards/landisk/rtc.c b/arch/sh/boards/landisk/rtc.c
new file mode 100644
index 000000000000..35ba726a0979
--- /dev/null
+++ b/arch/sh/boards/landisk/rtc.c
@@ -0,0 +1,93 @@
+/*
+ * arch/sh/boards/landisk/rtc.c --  RTC support
+ *
+ *  Copyright (C) 2000  Philipp Rumpf <prumpf@tux.org>
+ *  Copyright (C) 1999  Tetsuya Okada & Niibe Yutaka
+ */
+/*
+ * modifed by kogiidena
+ * 2005.09.16
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/time.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/bcd.h>
+#include <asm/rtc.h>
+
+extern spinlock_t rtc_lock;
+
+extern void
+rs5c313_set_cmos_time(unsigned int BCD_yr, unsigned int BCD_mon,
+		      unsigned int BCD_day, unsigned int BCD_hr,
+		      unsigned int BCD_min, unsigned int BCD_sec);
+
+extern unsigned long
+rs5c313_get_cmos_time(unsigned int *BCD_yr, unsigned int *BCD_mon,
+		      unsigned int *BCD_day, unsigned int *BCD_hr,
+		      unsigned int *BCD_min, unsigned int *BCD_sec);
+
+void landisk_rtc_gettimeofday(struct timespec *tv)
+{
+	unsigned int BCD_yr, BCD_mon, BCD_day, BCD_hr, BCD_min, BCD_sec;
+	unsigned long flags;
+
+	spin_lock_irqsave(&rtc_lock, flags);
+	tv->tv_sec = rs5c313_get_cmos_time
+	    (&BCD_yr, &BCD_mon, &BCD_day, &BCD_hr, &BCD_min, &BCD_sec);
+	tv->tv_nsec = 0;
+	spin_unlock_irqrestore(&rtc_lock, flags);
+}
+
+int landisk_rtc_settimeofday(const time_t secs)
+{
+	int retval = 0;
+	int real_seconds, real_minutes, cmos_minutes;
+	unsigned long flags;
+	unsigned long nowtime = secs;
+	unsigned int BCD_yr, BCD_mon, BCD_day, BCD_hr, BCD_min, BCD_sec;
+
+	spin_lock_irqsave(&rtc_lock, flags);
+
+	rs5c313_get_cmos_time
+	  (&BCD_yr, &BCD_mon, &BCD_day, &BCD_hr, &BCD_min, &BCD_sec);
+	cmos_minutes = BCD_min;
+	BCD_TO_BIN(cmos_minutes);
+
+	/*
+	 * since we're only adjusting minutes and seconds,
+	 * don't interfere with hour overflow. This avoids
+	 * messing with unknown time zones but requires your
+	 * RTC not to be off by more than 15 minutes
+	 */
+	real_seconds = nowtime % 60;
+	real_minutes = nowtime / 60;
+	if (((abs(real_minutes - cmos_minutes) + 15) / 30) & 1)
+		real_minutes += 30;	/* correct for half hour time zone */
+	real_minutes %= 60;
+
+	if (abs(real_minutes - cmos_minutes) < 30) {
+		BIN_TO_BCD(real_seconds);
+		BIN_TO_BCD(real_minutes);
+		rs5c313_set_cmos_time(BCD_yr, BCD_mon, BCD_day, BCD_hr,
+				      real_minutes, real_seconds);
+	} else {
+		printk(KERN_WARNING
+		       "set_rtc_time: can't update from %d to %d\n",
+		       cmos_minutes, real_minutes);
+		retval = -1;
+	}
+
+	spin_unlock_irqrestore(&rtc_lock, flags);
+	return retval;
+}
+
+void landisk_time_init(void)
+{
+	rtc_sh_get_time = landisk_rtc_gettimeofday;
+	rtc_sh_set_time = landisk_rtc_settimeofday;
+}
diff --git a/arch/sh/boards/landisk/setup.c b/arch/sh/boards/landisk/setup.c
new file mode 100644
index 000000000000..127b9e020e00
--- /dev/null
+++ b/arch/sh/boards/landisk/setup.c
@@ -0,0 +1,177 @@
+/*
+ * arch/sh/boards/landisk/setup.c
+ *
+ * Copyright (C) 2000 Kazumoto Kojima
+ * Copyright (C) 2002 Paul Mundt
+ *
+ * I-O DATA Device, Inc. LANDISK Support.
+ *
+ * Modified for LANDISK by
+ * Atom Create Engineering Co., Ltd. 2002.
+ *
+ * modifed by kogiidena
+ * 2005.09.16
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/pm.h>
+#include <linux/mm.h>
+#include <asm/machvec.h>
+#include <asm/rtc.h>
+#include <asm/landisk/iodata_landisk.h>
+#include <asm/io.h>
+
+void landisk_time_init(void);
+void init_landisk_IRQ(void);
+
+int landisk_ledparam;
+int landisk_buzzerparam;
+int landisk_arch;
+
+/* cycle the led's in the clasic knightrider/sun pattern */
+static void heartbeat_landisk(void)
+{
+	static unsigned int cnt = 0, blink = 0x00, period = 25;
+        volatile u8 *p = (volatile u8 *)PA_LED;
+	char data;
+
+        if ((landisk_ledparam & 0x080) == 0)
+		return;
+
+	cnt += 1;
+
+        if (cnt < period)
+		return;
+
+	cnt = 0;
+	blink++;
+
+	data = (blink & 0x01) ? (landisk_ledparam >> 16) : 0;
+	data |= (blink & 0x02) ? (landisk_ledparam >> 8) : 0;
+	data |= landisk_ledparam;
+
+	/* buzzer */
+	if (landisk_buzzerparam & 0x1) {
+		data |= 0x80;
+	} else {
+		data &= 0x7f;
+	}
+	*p = data;
+
+        if (((landisk_ledparam & 0x007f7f00) == 0) &&
+             (landisk_buzzerparam == 0))
+		landisk_ledparam &= (~0x0080);
+
+	landisk_buzzerparam >>= 1;
+}
+
+static void landisk_power_off(void)
+{
+        ctrl_outb(0x01, PA_SHUTDOWN);
+}
+
+static void check_usl5p(void)
+{
+        volatile u8 *p = (volatile u8 *)PA_LED;
+        u8 tmp1, tmp2;
+
+        tmp1 = *p;
+        *p = 0x40;
+        tmp2 = *p;
+        *p = tmp1;
+
+        landisk_arch = (tmp2 == 0x40);
+        if (landisk_arch == 1) {
+                /* arch == usl-5p */
+                landisk_ledparam = 0x00000380;
+                landisk_ledparam |= (tmp1 & 0x07c);
+        } else {
+                /* arch == landisk */
+                landisk_ledparam = 0x02000180;
+                landisk_ledparam |= 0x04;
+        }
+}
+
+void *area5_io_base;
+void *area6_io_base;
+
+static int __init landisk_cf_init(void)
+{
+	pgprot_t prot;
+	unsigned long paddrbase, psize;
+
+	/* open I/O area window */
+	paddrbase = virt_to_phys((void *)PA_AREA5_IO);
+	psize = PAGE_SIZE;
+	prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_IO16);
+	area5_io_base = p3_ioremap(paddrbase, psize, prot.pgprot);
+	if (!area5_io_base) {
+		printk("allocate_cf_area : can't open CF I/O window!\n");
+		return -ENOMEM;
+	}
+
+	paddrbase = virt_to_phys((void *)PA_AREA6_IO);
+	psize = PAGE_SIZE;
+	prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_IO16);
+	area6_io_base = p3_ioremap(paddrbase, psize, prot.pgprot);
+	if (!area6_io_base) {
+		printk("allocate_cf_area : can't open HDD I/O window!\n");
+		return -ENOMEM;
+	}
+
+	printk(KERN_INFO "Allocate Area5/6 success.\n");
+
+	/* XXX : do we need attribute and common-memory area also? */
+
+	return 0;
+}
+
+static void __init landisk_setup(char **cmdline_p)
+{
+	device_initcall(landisk_cf_init);
+
+	landisk_buzzerparam = 0;
+	check_usl5p();
+
+	printk(KERN_INFO "I-O DATA DEVICE, INC. \"LANDISK Series\" support.\n");
+
+	board_time_init = landisk_time_init;
+	pm_power_off = landisk_power_off;
+}
+
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_landisk __initmv = {
+	.mv_name = "LANDISK",
+	.mv_setup = landisk_setup,
+	.mv_nr_irqs = 72,
+	.mv_inb = landisk_inb,
+	.mv_inw = landisk_inw,
+	.mv_inl = landisk_inl,
+	.mv_outb = landisk_outb,
+	.mv_outw = landisk_outw,
+	.mv_outl = landisk_outl,
+	.mv_inb_p = landisk_inb_p,
+	.mv_inw_p = landisk_inw,
+	.mv_inl_p = landisk_inl,
+	.mv_outb_p = landisk_outb_p,
+	.mv_outw_p = landisk_outw,
+	.mv_outl_p = landisk_outl,
+	.mv_insb = landisk_insb,
+	.mv_insw = landisk_insw,
+	.mv_insl = landisk_insl,
+	.mv_outsb = landisk_outsb,
+	.mv_outsw = landisk_outsw,
+	.mv_outsl = landisk_outsl,
+	.mv_ioport_map = landisk_ioport_map,
+	.mv_init_irq = init_landisk_IRQ,
+#ifdef CONFIG_HEARTBEAT
+	.mv_heartbeat = heartbeat_landisk,
+#endif
+};
+ALIAS_MV(landisk)
diff --git a/arch/sh/boards/mpc1211/rtc.c b/arch/sh/boards/mpc1211/rtc.c
index a76c655dceee..03b123a4bba4 100644
--- a/arch/sh/boards/mpc1211/rtc.c
+++ b/arch/sh/boards/mpc1211/rtc.c
@@ -130,7 +130,7 @@ int mpc1211_rtc_settimeofday(const struct timeval *tv)
 
 void mpc1211_time_init(void)
 {
-	rtc_get_time = mpc1211_rtc_gettimeofday;
-	rtc_set_time = mpc1211_rtc_settimeofday;
+	rtc_sh_get_time = mpc1211_rtc_gettimeofday;
+	rtc_sh_set_time = mpc1211_rtc_settimeofday;
 }
 
diff --git a/arch/sh/boards/mpc1211/setup.c b/arch/sh/boards/mpc1211/setup.c
index 2bfb221cc35c..8eb5d4303972 100644
--- a/arch/sh/boards/mpc1211/setup.c
+++ b/arch/sh/boards/mpc1211/setup.c
@@ -10,14 +10,12 @@
 #include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <linux/interrupt.h>
-
 #include <asm/io.h>
 #include <asm/machvec.h>
 #include <asm/mpc1211/mpc1211.h>
 #include <asm/mpc1211/pci.h>
 #include <asm/mpc1211/m1543c.h>
 
-
 /* ALI15X3 SMBus address offsets */
 #define SMBHSTSTS   (0 + 0x3100)
 #define SMBHSTCNT   (1 + 0x3100)
@@ -50,11 +48,6 @@
 #define ALI15X3_STS_TERM	0x80	/* terminated by abort */
 #define ALI15X3_STS_ERR		0xE0	/* all the bad error bits */
 
-const char *get_system_type(void)
-{
-	return "Interface MPC-1211(CTP/PCI/MPC-SH02)";
-}
-
 static void __init pci_write_config(unsigned long busNo,
 				    unsigned long devNo,
 				    unsigned long fncNo,
@@ -80,9 +73,6 @@ volatile unsigned long irq_err_count;
 
 static void disable_mpc1211_irq(unsigned int irq)
 {
-	unsigned long flags;
-
-	save_and_cli(flags);
 	if( irq < 8) {
 		m_irq_mask |= (1 << irq);
 		outb(m_irq_mask,I8259_M_MR);
@@ -90,16 +80,11 @@ static void disable_mpc1211_irq(unsigned int irq)
 		s_irq_mask |= (1 << (irq - 8));
 		outb(s_irq_mask,I8259_S_MR);
 	}
-	restore_flags(flags);
 
 }
 
 static void enable_mpc1211_irq(unsigned int irq)
 {
-	unsigned long flags;
-
-	save_and_cli(flags);
-
 	if( irq < 8) {
 		m_irq_mask &= ~(1 << irq);
 		outb(m_irq_mask,I8259_M_MR);
@@ -107,7 +92,6 @@ static void enable_mpc1211_irq(unsigned int irq)
 		s_irq_mask &= ~(1 << (irq - 8));
 		outb(s_irq_mask,I8259_S_MR);
 	}
-	restore_flags(flags);
 }
 
 static inline int mpc1211_irq_real(unsigned int irq)
@@ -131,10 +115,6 @@ static inline int mpc1211_irq_real(unsigned int irq)
 
 static void mask_and_ack_mpc1211(unsigned int irq)
 {
-	unsigned long flags;
-
-	save_and_cli(flags);
-
 	if(irq < 8) {
 		if(m_irq_mask & (1<<irq)){
 		  if(!mpc1211_irq_real(irq)){
@@ -162,7 +142,6 @@ static void mask_and_ack_mpc1211(unsigned int irq)
 		outb(0x60+(irq-8),I8259_S_CR); 	/* EOI */
 		outb(0x60+2,I8259_M_CR);
 	}
-	restore_flags(flags);
 }
 
 static void end_mpc1211_irq(unsigned int irq)
@@ -219,7 +198,7 @@ int mpc1211_irq_demux(int irq)
 	return irq;
 }
 
-void __init init_mpc1211_IRQ(void)
+static void __init init_mpc1211_IRQ(void)
 {
 	int i;
 	/*
@@ -255,23 +234,12 @@ void __init init_mpc1211_IRQ(void)
 	}
 }
 
-/*
-  Initialize the board
-*/
-
-
-static void delay (void)
-{
-	volatile unsigned short tmp;
-	tmp = *(volatile unsigned short *) 0xa0000000;
-}
-
-static void delay1000 (void)
+static void delay1000(void)
 {
 	int i;
 
 	for (i=0; i<1000; i++)
-		delay ();
+		ctrl_delay();
 }
 
 static int put_smb_blk(unsigned char *p, int address, int command, int no)
@@ -314,26 +282,10 @@ static int put_smb_blk(unsigned char *p, int address, int command, int no)
 	return 0;
 }
 
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_mpc1211 __initmv = {
-	.mv_nr_irqs		= 48,
-	.mv_irq_demux		= mpc1211_irq_demux,
-	.mv_init_irq		= init_mpc1211_IRQ,
-
-#ifdef CONFIG_HEARTBEAT
-	.mv_heartbeat		= heartbeat_mpc1211,
-#endif
-};
-
-ALIAS_MV(mpc1211)
-
 /* arch/sh/boards/mpc1211/rtc.c */
 void mpc1211_time_init(void);
 
-int __init platform_setup(void)
+static void __init mpc1211_setup(char **cmdline_p)
 {
 	unsigned char spd_buf[128];
 
@@ -357,3 +309,18 @@ int __init platform_setup(void)
 	return 0;
 }
 
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_mpc1211 __initmv = {
+	.mv_name		= "Interface MPC-1211(CTP/PCI/MPC-SH02)",
+	.mv_setup		= mpc1211_setup,
+	.mv_nr_irqs		= 48,
+	.mv_irq_demux		= mpc1211_irq_demux,
+	.mv_init_irq		= init_mpc1211_IRQ,
+
+#ifdef CONFIG_HEARTBEAT
+	.mv_heartbeat		= heartbeat_mpc1211,
+#endif
+};
+ALIAS_MV(mpc1211)
diff --git a/arch/sh/boards/overdrive/Makefile b/arch/sh/boards/overdrive/Makefile
deleted file mode 100644
index 245f03baf762..000000000000
--- a/arch/sh/boards/overdrive/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# Makefile for the STMicroelectronics Overdrive specific parts of the kernel
-#
-
-obj-y	 := mach.o setup.o io.o irq.o led.o
-
-obj-$(CONFIG_PCI) += fpga.o galileo.o pcidma.o
-
diff --git a/arch/sh/boards/overdrive/fpga.c b/arch/sh/boards/overdrive/fpga.c
deleted file mode 100644
index 956c23901228..000000000000
--- a/arch/sh/boards/overdrive/fpga.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/* 
- * Copyright (C) 2000 David J. Mckay (david.mckay@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.                            
- *
- * This file handles programming up the Altera Flex10K that interfaces to
- * the Galileo, and does the PS/2 keyboard and mouse
- *
- */
-
-
-#include <linux/kernel.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-
-
-#include <asm/overdriver/gt64111.h>
-#include <asm/overdrive/overdrive.h>
-#include <asm/overdrive/fpga.h>
-
-#define FPGA_NotConfigHigh()  (*FPGA_ControlReg) = (*FPGA_ControlReg) | ENABLE_FPGA_BIT
-#define FPGA_NotConfigLow()   (*FPGA_ControlReg) = (*FPGA_ControlReg) & RESET_FPGA_MASK
-
-/* I need to find out what (if any) the real delay factor here is */
-/* The delay is definately not critical */
-#define long_delay() {int i;for(i=0;i<10000;i++);}
-#define short_delay() {int i;for(i=0;i<100;i++);}
-
-static void __init program_overdrive_fpga(const unsigned char *fpgacode,
-					  int size)
-{
-	int timeout = 0;
-	int i, j;
-	unsigned char b;
-	static volatile unsigned char *FPGA_ControlReg =
-	    (volatile unsigned char *) (OVERDRIVE_CTRL);
-	static volatile unsigned char *FPGA_ProgramReg =
-	    (volatile unsigned char *) (FPGA_DCLK_ADDRESS);
-
-	printk("FPGA:  Commencing FPGA Programming\n");
-
-	/* The PCI reset but MUST be low when programming the FPGA !!! */
-	b = (*FPGA_ControlReg) & RESET_PCI_MASK;
-
-	(*FPGA_ControlReg) = b;
-
-	/* Prepare FPGA to program */
-
-	FPGA_NotConfigHigh();
-	long_delay();
-
-	FPGA_NotConfigLow();
-	short_delay();
-
-	while ((*FPGA_ProgramReg & FPGA_NOT_STATUS) != 0) {
-		printk("FPGA:  Waiting for NotStatus to go Low ... \n");
-	}
-
-	FPGA_NotConfigHigh();
-
-	/* Wait for FPGA "ready to be programmed" signal */
-	printk("FPGA:  Waiting for NotStatus to go high (FPGA ready)... \n");
-
-	for (timeout = 0;
-	     (((*FPGA_ProgramReg & FPGA_NOT_STATUS) == 0)
-	      && (timeout < FPGA_TIMEOUT)); timeout++);
-
-	/* Check if timeout condition occured - i.e. an error */
-
-	if (timeout == FPGA_TIMEOUT) {
-		printk
-		    ("FPGA:  Failed to program - Timeout waiting for notSTATUS to go high\n");
-		return;
-	}
-
-	printk("FPGA:  Copying data to FPGA ... %d bytes\n", size);
-
-	/* Copy array to FPGA - bit at a time */
-
-	for (i = 0; i < size; i++) {
-		volatile unsigned w = 0;
-
-		for (j = 0; j < 8; j++) {
-			*FPGA_ProgramReg = (fpgacode[i] >> j) & 0x01;
-			short_delay();
-		}
-		if ((i & 0x3ff) == 0) {
-			printk(".");
-		}
-	}
-
-	/* Waiting for CONFDONE to go high - means the program is complete  */
-
-	for (timeout = 0;
-	     (((*FPGA_ProgramReg & FPGA_CONFDONE) == 0)
-	      && (timeout < FPGA_TIMEOUT)); timeout++) {
-
-		*FPGA_ProgramReg = 0x0;
-		long_delay();
-	}
-
-	if (timeout == FPGA_TIMEOUT) {
-		printk
-		    ("FPGA:  Failed to program - Timeout waiting for CONFDONE to go high\n");
-		return;
-	} else {		/* Clock another 10 times - gets the device into a working state      */
-		for (i = 0; i < 10; i++) {
-			*FPGA_ProgramReg = 0x0;
-			short_delay();
-		}
-	}
-
-	printk("FPGA:  Programming complete\n");
-}
-
-
-static const unsigned char __init fpgacode[] = {
-#include "./overdrive.ttf"	/* Code from maxplus2 compiler */
-	, 0, 0
-};
-
-
-int __init init_overdrive_fpga(void)
-{
-	program_overdrive_fpga(fpgacode, sizeof(fpgacode));
-
-	return 0;
-}
diff --git a/arch/sh/boards/overdrive/galileo.c b/arch/sh/boards/overdrive/galileo.c
deleted file mode 100644
index 29e48971bba0..000000000000
--- a/arch/sh/boards/overdrive/galileo.c
+++ /dev/null
@@ -1,587 +0,0 @@
-/* 
- * Copyright (C) 2000 David J. Mckay (david.mckay@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.                            
- *
- * This file contains the PCI routines required for the Galileo GT6411 
- * PCI bridge as used on the Orion and Overdrive boards.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/types.h>
-#include <linux/ioport.h>
-
-#include <asm/overdrive/overdrive.h>
-#include <asm/overdrive/gt64111.h>
-
-
-/* After boot, we shift the Galileo registers so that they appear 
- * in BANK6, along with IO space. This means we can have one contingous
- * lump of PCI address space without these registers appearing in the 
- * middle of them 
- */
-
-#define GT64111_BASE_ADDRESS  0xbb000000
-#define GT64111_IO_BASE_ADDRESS  0x1000
-/* The GT64111 registers appear at this address to the SH4 after reset */
-#define RESET_GT64111_BASE_ADDRESS           0xb4000000
-
-/* Macros used to access the Galileo registers */
-#define RESET_GT64111_REG(x) (RESET_GT64111_BASE_ADDRESS+x)
-#define GT64111_REG(x) (GT64111_BASE_ADDRESS+x)
-
-#define RESET_GT_WRITE(x,v) writel((v),RESET_GT64111_REG(x))
-
-#define RESET_GT_READ(x) readl(RESET_GT64111_REG(x))
-
-#define GT_WRITE(x,v) writel((v),GT64111_REG(x))
-#define GT_WRITE_BYTE(x,v) writeb((v),GT64111_REG(x))
-#define GT_WRITE_SHORT(x,v) writew((v),GT64111_REG(x))
-
-#define GT_READ(x)    readl(GT64111_REG(x))
-#define GT_READ_BYTE(x)  readb(GT64111_REG(x))
-#define GT_READ_SHORT(x) readw(GT64111_REG(x))
-
-
-/* Where the various SH banks start at */
-#define SH_BANK4_ADR 0xb0000000
-#define SH_BANK5_ADR 0xb4000000
-#define SH_BANK6_ADR 0xb8000000
-
-/* Masks out everything but lines 28,27,26 */
-#define BANK_SELECT_MASK 0x1c000000
-
-#define SH4_TO_BANK(x) ( (x) & BANK_SELECT_MASK)
-
-/* 
- * Masks used for address conversaion. Bank 6 is used for IO and 
- * has all the address bits zeroed by the FPGA. Special case this
- */
-#define MEMORY_BANK_MASK 0x1fffffff
-#define IO_BANK_MASK  0x03ffffff
-
-/* Mark bank 6 as the bank used for IO. You can change this in the FPGA code
- * if you want 
- */
-#define IO_BANK_ADR PCI_GTIO_BASE
-
-/* Will select the correct mask to apply depending on the SH$ address */
-#define SELECT_BANK_MASK(x) \
-   ( (SH4_TO_BANK(x)==SH4_TO_BANK(IO_BANK_ADR)) ? IO_BANK_MASK : MEMORY_BANK_MASK)
-
-/* Converts between PCI space and P2 region */
-#define SH4_TO_PCI(x) ((x)&SELECT_BANK_MASK(x))
-
-/* Various macros for figuring out what to stick in the Galileo registers. 
- * You *really* don't want to figure this stuff out by hand, you always get
- * it wrong
- */
-#define GT_MEM_LO_ADR(x) ((((unsigned)((x)&SELECT_BANK_MASK(x)))>>21)&0x7ff)
-#define GT_MEM_HI_ADR(x) ((((unsigned)((x)&SELECT_BANK_MASK(x)))>>21)&0x7f)
-#define GT_MEM_SUB_ADR(x) ((((unsigned)((x)&SELECT_BANK_MASK(x)))>>20)&0xff)
-
-#define PROGRAM_HI_LO(block,a,s) \
-    GT_WRITE(block##_LO_DEC_ADR,GT_MEM_LO_ADR(a));\
-    GT_WRITE(block##_HI_DEC_ADR,GT_MEM_HI_ADR(a+s-1))
-
-#define PROGRAM_SUB_HI_LO(block,a,s) \
-    GT_WRITE(block##_LO_DEC_ADR,GT_MEM_SUB_ADR(a));\
-    GT_WRITE(block##_HI_DEC_ADR,GT_MEM_SUB_ADR(a+s-1))
-
-/* We need to set the size, and the offset register */
-
-#define GT_BAR_MASK(x) ((x)&~0xfff)
-
-/* Macro to set up the BAR in the Galileo. Essentially used for the DRAM */
-#define PROGRAM_GT_BAR(block,a,s) \
-  GT_WRITE(PCI_##block##_BANK_SIZE,GT_BAR_MASK((s-1)));\
-  write_config_to_galileo(PCI_CONFIG_##block##_BASE_ADR,\
-			     GT_BAR_MASK(a))
-
-#define DISABLE_GT_BAR(block) \
-  GT_WRITE(PCI_##block##_BANK_SIZE,0),\
-  GT_CONFIG_WRITE(PCI_CONFIG_##block##_BASE_ADR,\
-    0x80000000)
-
-/* Macros to disable things we are not going to use */
-#define DISABLE_DECODE(x) GT_WRITE(x##_LO_DEC_ADR,0x7ff);\
-                          GT_WRITE(x##_HI_DEC_ADR,0x00)
-
-#define DISABLE_SUB_DECODE(x) GT_WRITE(x##_LO_DEC_ADR,0xff);\
-                              GT_WRITE(x##_HI_DEC_ADR,0x00)
-
-static void __init reset_pci(void)
-{
-	/* Set RESET_PCI bit high */
-	writeb(readb(OVERDRIVE_CTRL) | ENABLE_PCI_BIT, OVERDRIVE_CTRL);
-	udelay(250);
-
-	/* Set RESET_PCI bit low */
-	writeb(readb(OVERDRIVE_CTRL) & RESET_PCI_MASK, OVERDRIVE_CTRL);
-	udelay(250);
-
-	writeb(readb(OVERDRIVE_CTRL) | ENABLE_PCI_BIT, OVERDRIVE_CTRL);
-	udelay(250);
-}
-
-static int write_config_to_galileo(int where, u32 val);
-#define GT_CONFIG_WRITE(where,val) write_config_to_galileo(where,val)
-
-#define ENABLE_PCI_DRAM
-
-
-#ifdef TEST_DRAM
-/* Test function to check out if the PCI DRAM is working OK */
-static int  /* __init */ test_dram(unsigned *base, unsigned size)
-{
-	unsigned *p = base;
-	unsigned *end = (unsigned *) (((unsigned) base) + size);
-	unsigned w;
-
-	for (p = base; p < end; p++) {
-		*p = 0xffffffff;
-		if (*p != 0xffffffff) {
-			printk("AAARGH -write failed!!! at %p is %x\n", p,
-			       *p);
-			return 0;
-		}
-		*p = 0x0;
-		if (*p != 0x0) {
-			printk("AAARGH -write failed!!!\n");
-			return 0;
-		}
-	}
-
-	for (p = base; p < end; p++) {
-		*p = (unsigned) p;
-		if (*p != (unsigned) p) {
-			printk("Failed at 0x%p, actually is 0x%x\n", p,
-			       *p);
-			return 0;
-		}
-	}
-
-	for (p = base; p < end; p++) {
-		w = ((unsigned) p & 0xffff0000);
-		*p = w | (w >> 16);
-	}
-
-	for (p = base; p < end; p++) {
-		w = ((unsigned) p & 0xffff0000);
-		w |= (w >> 16);
-		if (*p != w) {
-			printk
-			    ("Failed at 0x%p, should be 0x%x actually is 0x%x\n",
-			     p, w, *p);
-			return 0;
-		}
-	}
-
-	return 1;
-}
-#endif
-
-
-/* Function to set up and initialise the galileo. This sets up the BARS,
- * maps the DRAM into the address space etc,etc
- */
-int __init galileo_init(void)
-{
-	reset_pci();
-
-	/* Now shift the galileo regs into this block */
-	RESET_GT_WRITE(INTERNAL_SPACE_DEC,
-		       GT_MEM_LO_ADR(GT64111_BASE_ADDRESS));
-
-	/* Should have a sanity check here, that you can read back  at the new
-	 * address what you just wrote 
-	 */
-
-	/* Disable decode for all regions */
-	DISABLE_DECODE(RAS10);
-	DISABLE_DECODE(RAS32);
-	DISABLE_DECODE(CS20);
-	DISABLE_DECODE(CS3);
-	DISABLE_DECODE(PCI_IO);
-	DISABLE_DECODE(PCI_MEM0);
-	DISABLE_DECODE(PCI_MEM1);
-
-	/* Disable all BARS */
-	GT_WRITE(BAR_ENABLE_ADR, 0x1ff);
-	DISABLE_GT_BAR(RAS10);
-	DISABLE_GT_BAR(RAS32);
-	DISABLE_GT_BAR(CS20);
-	DISABLE_GT_BAR(CS3);
-
-	/* Tell the BAR where the IO registers now are */
-	GT_CONFIG_WRITE(PCI_CONFIG_INT_REG_IO_ADR,GT_BAR_MASK(
-					    (GT64111_IO_BASE_ADDRESS &
-					     IO_BANK_MASK)));
-	/* set up a 112 Mb decode */
-	PROGRAM_HI_LO(PCI_MEM0, SH_BANK4_ADR, 112 * 1024 * 1024);
-
-	/* Set up a 32 MB io space decode */
-	PROGRAM_HI_LO(PCI_IO, IO_BANK_ADR, 32 * 1024 * 1024);
-
-#ifdef ENABLE_PCI_DRAM
-	/* Program up the DRAM configuration - there is DRAM only in bank 0 */
-	/* Now set up the DRAM decode */
-	PROGRAM_HI_LO(RAS10, PCI_DRAM_BASE, PCI_DRAM_SIZE);
-	/* And the sub decode */
-	PROGRAM_SUB_HI_LO(RAS0, PCI_DRAM_BASE, PCI_DRAM_SIZE);
-
-	DISABLE_SUB_DECODE(RAS1);
-
-	/* Set refresh rate */
-	GT_WRITE(DRAM_BANK0_PARMS, 0x3f);
-	GT_WRITE(DRAM_CFG, 0x100);
-
-	/* we have to lob off the top bits rememeber!! */
-	PROGRAM_GT_BAR(RAS10, SH4_TO_PCI(PCI_DRAM_BASE), PCI_DRAM_SIZE);
-
-#endif
-
-	/* We are only interested in decoding RAS10 and the Galileo's internal 
-	 * registers (as IO) on the PCI bus
-	 */
-#ifdef ENABLE_PCI_DRAM
-	GT_WRITE(BAR_ENABLE_ADR, (~((1 << 8) | (1 << 3))) & 0x1ff);
-#else
-	GT_WRITE(BAR_ENABLE_ADR, (~(1 << 3)) & 0x1ff);
-#endif
-
-	/* Change the class code to host bridge, it actually powers up 
-	 * as a memory controller
-         */
-	GT_CONFIG_WRITE(8, 0x06000011);
-
-	/* Allow the galileo to master the PCI bus */
-	GT_CONFIG_WRITE(PCI_COMMAND,
-			PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
-			PCI_COMMAND_IO);
-
-
-#if 0
-        printk("Testing PCI DRAM - ");
-	if(test_dram(PCI_DRAM_BASE,PCI_DRAM_SIZE)) {
-		printk("Passed\n");
-	}else {
-		printk("FAILED\n");
-	}
-#endif
-	return 0;
-
-}
-
-
-#define SET_CONFIG_BITS(bus,devfn,where)\
-  ((1<<31) | ((bus) << 16) | ((devfn) << 8) | ((where) & ~3))
-
-#define CONFIG_CMD(dev, where) SET_CONFIG_BITS((dev)->bus->number,(dev)->devfn,where)
-
-/* This write to the galileo config registers, unlike the functions below, can
- * be used before the PCI subsystem has started up
- */
-static int __init write_config_to_galileo(int where, u32 val)
-{
-	GT_WRITE(PCI_CFG_ADR, SET_CONFIG_BITS(0, 0, where));
-
-	GT_WRITE(PCI_CFG_DATA, val);
-	return 0;
-}
-
-/* We exclude the galileo and slot 31, the galileo because I don't know how to stop
- * the setup code shagging up the setup I have done on it, and 31 because the whole
- * thing locks up if you try to access that slot (which doesn't exist of course anyway
- */
-
-#define EXCLUDED_DEV(dev) ((dev->bus->number==0) && ((PCI_SLOT(dev->devfn)==0) || (PCI_SLOT(dev->devfn) == 31)))
-
-static int galileo_read_config_byte(struct pci_dev *dev, int where,
-				    u8 * val)
-{
-
-        
-	/* I suspect this doesn't work because this drives a special cycle ? */
-	if (EXCLUDED_DEV(dev)) {
-		*val = 0xff;
-		return PCIBIOS_SUCCESSFUL;
-	}
-	/* Start the config cycle */
-	GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where));
-	/* Read back the result */
-	*val = GT_READ_BYTE(PCI_CFG_DATA + (where & 3));
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-
-static int galileo_read_config_word(struct pci_dev *dev, int where,
-				    u16 * val)
-{
-
-        if (EXCLUDED_DEV(dev)) {
-		*val = 0xffff;
-		return PCIBIOS_SUCCESSFUL;
-	}
-
-	GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where));
-	*val = GT_READ_SHORT(PCI_CFG_DATA + (where & 2));
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-
-static int galileo_read_config_dword(struct pci_dev *dev, int where,
-				     u32 * val)
-{
-	if (EXCLUDED_DEV(dev)) {
-		*val = 0xffffffff;
-		return PCIBIOS_SUCCESSFUL;
-	}
-
-	GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where));
-	*val = GT_READ(PCI_CFG_DATA);
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int galileo_write_config_byte(struct pci_dev *dev, int where,
-				     u8 val)
-{
-	GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where));
-
-	GT_WRITE_BYTE(PCI_CFG_DATA + (where & 3), val);
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-
-static int galileo_write_config_word(struct pci_dev *dev, int where,
-				     u16 val)
-{
-	GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where));
-
-	GT_WRITE_SHORT(PCI_CFG_DATA + (where & 2), val);
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int galileo_write_config_dword(struct pci_dev *dev, int where,
-				      u32 val)
-{
-	GT_WRITE(PCI_CFG_ADR, CONFIG_CMD(dev, where));
-
-	GT_WRITE(PCI_CFG_DATA, val);
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops pci_config_ops = {
-	galileo_read_config_byte,
-	galileo_read_config_word,
-	galileo_read_config_dword,
-	galileo_write_config_byte,
-	galileo_write_config_word,
-	galileo_write_config_dword
-};
-
-
-/* Everything hangs off this */
-static struct pci_bus *pci_root_bus;
-
-
-static u8 __init no_swizzle(struct pci_dev *dev, u8 * pin)
-{
-	return PCI_SLOT(dev->devfn);
-}
-
-static int __init map_od_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
-	/* Slot 1: Galileo 
-	 * Slot 2: PCI Slot 1
-	 * Slot 3: PCI Slot 2
-	 * Slot 4: ESS
-	 */
-	switch (slot) {
-	case 2: 
-		return OVERDRIVE_PCI_IRQ1;
-	case 3:
-		/* Note this assumes you have a hacked card in slot 2 */
-		return OVERDRIVE_PCI_IRQ2;
-	case 4:
-		return OVERDRIVE_ESS_IRQ;
-	default:
-		/* printk("PCI: Unexpected IRQ mapping request for slot %d\n", slot); */
-		return -1;
-	}
-}
-
-
-
-void __init
-pcibios_fixup_pbus_ranges(struct pci_bus *bus, struct pbus_set_ranges_data *ranges)
-{
-        ranges->io_start -= bus->resource[0]->start;
-        ranges->io_end -= bus->resource[0]->start;
-        ranges->mem_start -= bus->resource[1]->start;
-        ranges->mem_end -= bus->resource[1]->start;
-}                                                                                
-
-static void __init pci_fixup_ide_bases(struct pci_dev *d)
-{
-	int i;
-
-	/*
-	 * PCI IDE controllers use non-standard I/O port decoding, respect it.
-	 */
-	if ((d->class >> 8) != PCI_CLASS_STORAGE_IDE)
-		return;
-	printk("PCI: IDE base address fixup for %s\n", pci_name(d));
-	for(i=0; i<4; i++) {
-		struct resource *r = &d->resource[i];
-		if ((r->start & ~0x80) == 0x374) {
-			r->start |= 2;
-			r->end = r->start;
-		}
-	}
-}
-DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases);
-
-void __init pcibios_init(void)
-{
-	static struct resource galio,galmem;
-
-        /* Allocate the registers used by the Galileo */
-        galio.flags = IORESOURCE_IO;
-        galio.name  = "Galileo GT64011";
-        galmem.flags = IORESOURCE_MEM|IORESOURCE_PREFETCH;
-        galmem.name  = "Galileo GT64011 DRAM";
-
-        allocate_resource(&ioport_resource, &galio, 256,
-		    GT64111_IO_BASE_ADDRESS,GT64111_IO_BASE_ADDRESS+256, 256, NULL, NULL);
-        allocate_resource(&iomem_resource, &galmem,PCI_DRAM_SIZE,
-		    PHYSADDR(PCI_DRAM_BASE), PHYSADDR(PCI_DRAM_BASE)+PCI_DRAM_SIZE, 
-			     PCI_DRAM_SIZE, NULL, NULL);
-
-  	/* ok, do the scan man */
-	pci_root_bus = pci_scan_bus(0, &pci_config_ops, NULL);
-
-        pci_assign_unassigned_resources();
-	pci_fixup_irqs(no_swizzle, map_od_irq);
-
-#ifdef TEST_DRAM
-        printk("Testing PCI DRAM - ");
-	if(test_dram(PCI_DRAM_BASE,PCI_DRAM_SIZE)) {
-		printk("Passed\n");
-	}else {
-		printk("FAILED\n");
-	}
-#endif
-
-}
-
-char * __init pcibios_setup(char *str)
-{
-	return str;
-}
-
-
-
-int pcibios_enable_device(struct pci_dev *dev)
-{
-
-	u16 cmd, old_cmd;
-	int idx;
-	struct resource *r;
-
-	pci_read_config_word(dev, PCI_COMMAND, &cmd);
-	old_cmd = cmd;
-	for (idx = 0; idx < 6; idx++) {
-		r = dev->resource + idx;
-		if (!r->start && r->end) {
-			printk(KERN_ERR
-			       "PCI: Device %s not available because"
-			       " of resource collisions\n",
-			       pci_name(dev));
-			return -EINVAL;
-		}
-		if (r->flags & IORESOURCE_IO)
-			cmd |= PCI_COMMAND_IO;
-		if (r->flags & IORESOURCE_MEM)
-			cmd |= PCI_COMMAND_MEMORY;
-	}
-	if (cmd != old_cmd) {
-		printk("PCI: enabling device %s (%04x -> %04x)\n",
-		       pci_name(dev), old_cmd, cmd);
-		pci_write_config_word(dev, PCI_COMMAND, cmd);
-	}
-	return 0;
-
-}
-
-/* We should do some optimisation work here I think. Ok for now though */
-void __init pcibios_fixup_bus(struct pci_bus *bus)
-{
-
-}
-
-void pcibios_align_resource(void *data, struct resource *res,
-			    resource_size_t size)
-{
-}
-
-void __init pcibios_update_resource(struct pci_dev *dev, struct resource *root,
-			     struct resource *res, int resource)
-{
-
-	unsigned long where, size;
-	u32 reg;
-	
-
-	printk("PCI: Assigning %3s %08lx to %s\n",
-	       res->flags & IORESOURCE_IO ? "IO" : "MEM",
-	       res->start, dev->name);
-
-	where = PCI_BASE_ADDRESS_0 + resource * 4;
-	size = res->end - res->start;
-
-	pci_read_config_dword(dev, where, &reg);
-	reg = (reg & size) | (((u32) (res->start - root->start)) & ~size);
-	pci_write_config_dword(dev, where, reg);
-}
-
-
-void __init pcibios_update_irq(struct pci_dev *dev, int irq)
-{
-	printk("PCI: Assigning IRQ %02d to %s\n", irq, dev->name);
-	pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
-}
-
-/*
- *  If we set up a device for bus mastering, we need to check the latency
- *  timer as certain crappy BIOSes forget to set it properly.
- */
-unsigned int pcibios_max_latency = 255;
-
-void pcibios_set_master(struct pci_dev *dev)
-{
-	u8 lat;
-	pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
-	if (lat < 16)
-		lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency;
-	else if (lat > pcibios_max_latency)
-		lat = pcibios_max_latency;
-	else
-		return;
-	printk("PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat);
-	pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
-}
diff --git a/arch/sh/boards/overdrive/io.c b/arch/sh/boards/overdrive/io.c
deleted file mode 100644
index 4671b6b047bb..000000000000
--- a/arch/sh/boards/overdrive/io.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/* 
- * Copyright (C) 2000 David J. Mckay (david.mckay@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.                            
- *
- * This file contains the I/O routines for use on the overdrive board
- *
- */
-
-#include <linux/types.h>
-#include <linux/delay.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <asm/addrspace.h>
-
-#include <asm/overdrive/overdrive.h>
-
-/*
- * readX/writeX() are used to access memory mapped devices. On some
- * architectures the memory mapped IO stuff needs to be accessed
- * differently. On the SuperH architecture, we just read/write the
- * memory location directly.
- */
-
-#define dprintk(x...)
-
-/* Translates an IO address to where it is mapped in memory */
-
-#define io_addr(x) (((unsigned)(x))|PCI_GTIO_BASE)
-
-unsigned char od_inb(unsigned long port)
-{
-dprintk("od_inb(%x)\n", port);
-	return readb(io_addr(port)) & 0xff;
-}
-
-
-unsigned short od_inw(unsigned long port)
-{
-dprintk("od_inw(%x)\n", port);
-	return readw(io_addr(port)) & 0xffff;
-}
-
-unsigned int od_inl(unsigned long port)
-{
-dprintk("od_inl(%x)\n", port);
-	return readl(io_addr(port));
-}
-
-void od_outb(unsigned char value, unsigned long port)
-{
-dprintk("od_outb(%x, %x)\n", value, port);
-	writeb(value, io_addr(port));
-}
-
-void od_outw(unsigned short value, unsigned long port)
-{
-dprintk("od_outw(%x, %x)\n", value, port);
-	writew(value, io_addr(port));
-}
-
-void od_outl(unsigned int value, unsigned long port)
-{
-dprintk("od_outl(%x, %x)\n", value, port);
-	writel(value, io_addr(port));
-}
-
-/* This is horrible at the moment - needs more work to do something sensible */
-#define IO_DELAY() udelay(10)
-
-#define OUT_DELAY(x,type) \
-void od_out##x##_p(unsigned type value,unsigned long port){out##x(value,port);IO_DELAY();}
-
-#define IN_DELAY(x,type) \
-unsigned type od_in##x##_p(unsigned long port) {unsigned type tmp=in##x(port);IO_DELAY();return tmp;}
-
-
-OUT_DELAY(b,char)
-OUT_DELAY(w,short)
-OUT_DELAY(l,int)
-
-IN_DELAY(b,char)
-IN_DELAY(w,short)
-IN_DELAY(l,int)
-
-
-/*  Now for the string version of these functions */
-void od_outsb(unsigned long port, const void *addr, unsigned long count)
-{
-	int i;
-	unsigned char *p = (unsigned char *) addr;
-
-	for (i = 0; i < count; i++, p++) {
-		outb(*p, port);
-	}
-}
-
-
-void od_insb(unsigned long port, void *addr, unsigned long count)
-{
-	int i;
-	unsigned char *p = (unsigned char *) addr;
-
-	for (i = 0; i < count; i++, p++) {
-		*p = inb(port);
-	}
-}
-
-/* For the 16 and 32 bit string functions, we have to worry about alignment.
- * The SH does not do unaligned accesses, so we have to read as bytes and
- * then write as a word or dword. 
- * This can be optimised a lot more, especially in the case where the data
- * is aligned
- */
-
-void od_outsw(unsigned long port, const void *addr, unsigned long count)
-{
-	int i;
-	unsigned short tmp;
-	unsigned char *p = (unsigned char *) addr;
-
-	for (i = 0; i < count; i++, p += 2) {
-		tmp = (*p) | ((*(p + 1)) << 8);
-		outw(tmp, port);
-	}
-}
-
-
-void od_insw(unsigned long port, void *addr, unsigned long count)
-{
-	int i;
-	unsigned short tmp;
-	unsigned char *p = (unsigned char *) addr;
-
-	for (i = 0; i < count; i++, p += 2) {
-		tmp = inw(port);
-		p[0] = tmp & 0xff;
-		p[1] = (tmp >> 8) & 0xff;
-	}
-}
-
-
-void od_outsl(unsigned long port, const void *addr, unsigned long count)
-{
-	int i;
-	unsigned tmp;
-	unsigned char *p = (unsigned char *) addr;
-
-	for (i = 0; i < count; i++, p += 4) {
-		tmp = (*p) | ((*(p + 1)) << 8) | ((*(p + 2)) << 16) |
-		      ((*(p + 3)) << 24);
-		outl(tmp, port);
-	}
-}
-
-
-void od_insl(unsigned long port, void *addr, unsigned long count)
-{
-	int i;
-	unsigned tmp;
-	unsigned char *p = (unsigned char *) addr;
-
-	for (i = 0; i < count; i++, p += 4) {
-		tmp = inl(port);
-		p[0] = tmp & 0xff;
-		p[1] = (tmp >> 8) & 0xff;
-		p[2] = (tmp >> 16) & 0xff;
-		p[3] = (tmp >> 24) & 0xff;
-
-	}
-}
diff --git a/arch/sh/boards/overdrive/irq.c b/arch/sh/boards/overdrive/irq.c
deleted file mode 100644
index 5d730c70389e..000000000000
--- a/arch/sh/boards/overdrive/irq.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/* 
- * Copyright (C) 2000 David J. Mckay (david.mckay@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.                            
- *
- * Looks after interrupts on the overdrive board.
- *
- * Bases on the IPR irq system
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-
-#include <asm/overdrive/overdrive.h>
-
-struct od_data {
-	int overdrive_irq;
-	int irq_mask;
-};
-
-#define NUM_EXTERNAL_IRQS 16
-#define EXTERNAL_IRQ_NOT_IN_USE (-1)
-#define EXTERNAL_IRQ_NOT_ASSIGNED (-1)
-
-/*
- * This table is used to determine what to program into the FPGA's CT register
- * for the specified Linux IRQ.
- *
- * The irq_mask gives the interrupt number from the PCI board (PCI_Int(6:0))
- * but is one greater than that because the because the FPGA treats 0
- * as disabled, a value of 1 asserts PCI_Int0, and so on.
- *
- * The overdrive_irq specifies which of the eight interrupt sources generates
- * that interrupt, and but is multiplied by four to give the bit offset into
- * the CT register.
- *
- * The seven interrupts levels (SH4 IRL's) we have available here is hardwired
- * by the EPLD. The assignments here of which PCI interrupt generates each
- * level is arbitary.
- */
-static struct od_data od_data_table[NUM_EXTERNAL_IRQS] = {
-	/*    overdrive_irq       , irq_mask */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE},	/* 0 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, 7},	/* 1 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, 6},	/* 2 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE},	/* 3 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, 5},	/* 4 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE},	/* 5 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE},	/* 6 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, 4},	/* 7 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE},	/* 8 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE},	/* 9 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, 3},	/* 10 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, 2},	/* 11 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE},	/* 12 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, 1},	/* 13 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE},	/* 14 */
-	{EXTERNAL_IRQ_NOT_ASSIGNED, EXTERNAL_IRQ_NOT_IN_USE}	/* 15 */
-};
-
-static void set_od_data(int overdrive_irq, int irq)
-{
-	if (irq >= NUM_EXTERNAL_IRQS || irq < 0)
-		return;
-	od_data_table[irq].overdrive_irq = overdrive_irq << 2;
-}
-
-static void enable_od_irq(unsigned int irq);
-void disable_od_irq(unsigned int irq);
-
-/* shutdown is same as "disable" */
-#define shutdown_od_irq disable_od_irq
-
-static void mask_and_ack_od(unsigned int);
-static void end_od_irq(unsigned int irq);
-
-static unsigned int startup_od_irq(unsigned int irq)
-{
-	enable_od_irq(irq);
-	return 0;		/* never anything pending */
-}
-
-static struct hw_interrupt_type od_irq_type = {
-	.typename = "Overdrive-IRQ",
-	.startup = startup_od_irq,
-	.shutdown = shutdown_od_irq,
-	.enable = enable_od_irq,
-	.disable = disable_od_irq,
-	.ack = mask_and_ack_od,
-	.end = end_od_irq
-};
-
-static void disable_od_irq(unsigned int irq)
-{
-	unsigned val, flags;
-	int overdrive_irq;
-	unsigned mask;
-
-	/* Not a valid interrupt */
-	if (irq < 0 || irq >= NUM_EXTERNAL_IRQS)
-		return;
-
-        /* Is is necessary to use a cli here? Would a spinlock not be 
-         * mroe efficient?
-         */
-	local_irq_save(flags);
-	overdrive_irq = od_data_table[irq].overdrive_irq;
-	if (overdrive_irq != EXTERNAL_IRQ_NOT_ASSIGNED) {
-		mask = ~(0x7 << overdrive_irq);
-		val = ctrl_inl(OVERDRIVE_INT_CT);
-		val &= mask;
-		ctrl_outl(val, OVERDRIVE_INT_CT);
-	}
-	local_irq_restore(flags);
-}
-
-static void enable_od_irq(unsigned int irq)
-{
-	unsigned val, flags;
-	int overdrive_irq;
-	unsigned mask;
-
-	/* Not a valid interrupt */
-	if (irq < 0 || irq >= NUM_EXTERNAL_IRQS)
-		return;
-
-	/* Set priority in OD back to original value */
-	local_irq_save(flags);
-	/* This one is not in use currently */
-	overdrive_irq = od_data_table[irq].overdrive_irq;
-	if (overdrive_irq != EXTERNAL_IRQ_NOT_ASSIGNED) {
-		val = ctrl_inl(OVERDRIVE_INT_CT);
-		mask = ~(0x7 << overdrive_irq);
-		val &= mask;
-		mask = od_data_table[irq].irq_mask << overdrive_irq;
-		val |= mask;
-		ctrl_outl(val, OVERDRIVE_INT_CT);
-	}
-	local_irq_restore(flags);
-}
-
-
-
-/* this functions sets the desired irq handler to be an overdrive type */
-static void __init make_od_irq(unsigned int irq)
-{
-	disable_irq_nosync(irq);
-	irq_desc[irq].chip = &od_irq_type;
-	disable_od_irq(irq);
-}
-
-
-static void mask_and_ack_od(unsigned int irq)
-{
-	disable_od_irq(irq);
-}
-
-static void end_od_irq(unsigned int irq)
-{
-	enable_od_irq(irq);
-}
-
-void __init init_overdrive_irq(void)
-{
-	int i;
-
-	/* Disable all interrupts */
-	ctrl_outl(0, OVERDRIVE_INT_CT);
-
-	/* Update interrupt pin mode to use encoded interrupts */
-	i = ctrl_inw(INTC_ICR);
-	i &= ~INTC_ICR_IRLM;
-	ctrl_outw(i, INTC_ICR);
-
-	for (i = 0; i < NUM_EXTERNAL_IRQS; i++) {
-		if (od_data_table[i].irq_mask != EXTERNAL_IRQ_NOT_IN_USE) {
-			make_od_irq(i);
-		} else if (i != 15) {	// Cannot use imask on level 15
-			make_imask_irq(i);
-		}
-	}
-
-	/* Set up the interrupts */
-	set_od_data(OVERDRIVE_PCI_INTA, OVERDRIVE_PCI_IRQ1);
-	set_od_data(OVERDRIVE_PCI_INTB, OVERDRIVE_PCI_IRQ2);
-	set_od_data(OVERDRIVE_AUDIO_INT, OVERDRIVE_ESS_IRQ);
-}
diff --git a/arch/sh/boards/overdrive/led.c b/arch/sh/boards/overdrive/led.c
deleted file mode 100644
index 860d7f204a4e..000000000000
--- a/arch/sh/boards/overdrive/led.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * linux/arch/sh/overdrive/led.c
- *
- * Copyright (C) 1999 Stuart Menefy <stuart.menefy@st.com>
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * This file contains an Overdrive specific LED feature.
- */
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/overdrive/overdrive.h>
-
-static void mach_led(int position, int value)
-{
-	unsigned long flags;
-	unsigned long reg;
-
-	local_irq_save(flags);
-	
-	reg = readl(OVERDRIVE_CTRL);
-	if (value) {
-		reg |= (1<<3);
-	} else {
-		reg &= ~(1<<3);
-	}
-	writel(reg, OVERDRIVE_CTRL);
-
-	local_irq_restore(flags);
-}
-
-#ifdef CONFIG_HEARTBEAT
-
-#include <linux/sched.h>
-
-/* acts like an actual heart beat -- ie thump-thump-pause... */
-void heartbeat_od(void)
-{
-	static unsigned cnt = 0, period = 0, dist = 0;
-
-	if (cnt == 0 || cnt == dist)
-		mach_led( -1, 1);
-	else if (cnt == 7 || cnt == dist+7)
-		mach_led( -1, 0);
-
-	if (++cnt > period) {
-		cnt = 0;
-		/* The hyperbolic function below modifies the heartbeat period
-		 * length in dependency of the current (5min) load. It goes
-		 * through the points f(0)=126, f(1)=86, f(5)=51,
-		 * f(inf)->30. */
-		period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
-		dist = period / 4;
-	}
-}
-#endif /* CONFIG_HEARTBEAT */
diff --git a/arch/sh/boards/overdrive/mach.c b/arch/sh/boards/overdrive/mach.c
deleted file mode 100644
index 2834a03ae477..000000000000
--- a/arch/sh/boards/overdrive/mach.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * linux/arch/sh/overdrive/mach.c
- *
- * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * Machine vector for the STMicroelectronics Overdrive
- */
-
-#include <linux/init.h>
-
-#include <asm/machvec.h>
-#include <asm/rtc.h>
-#include <asm/machvec_init.h>
-
-#include <asm/io_unknown.h>
-#include <asm/io_generic.h>
-#include <asm/overdrive/io.h>
-
-void heartbeat_od(void);
-void init_overdrive_irq(void);
-void galileo_pcibios_init(void);
-
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_od __initmv = {
-	.mv_nr_irqs		= 48,
-
-	.mv_inb			= od_inb,
-	.mv_inw			= od_inw,
-	.mv_inl			= od_inl,
-	.mv_outb		= od_outb,
-	.mv_outw		= od_outw,
-	.mv_outl		= od_outl,
-
-	.mv_inb_p		= od_inb_p,
-	.mv_inw_p		= od_inw_p,
-	.mv_inl_p		= od_inl_p,
-	.mv_outb_p		= od_outb_p,
-	.mv_outw_p		= od_outw_p,
-	.mv_outl_p		= od_outl_p,
-
-	.mv_insb		= od_insb,
-	.mv_insw		= od_insw,
-	.mv_insl		= od_insl,
-	.mv_outsb		= od_outsb,
-	.mv_outsw		= od_outsw,
-	.mv_outsl		= od_outsl,
-
-#ifdef CONFIG_PCI
-	.mv_init_irq		= init_overdrive_irq,
-#endif
-#ifdef CONFIG_HEARTBEAT
-	.mv_heartbeat		= heartbeat_od,
-#endif
-};
-
-ALIAS_MV(od)
diff --git a/arch/sh/boards/overdrive/pcidma.c b/arch/sh/boards/overdrive/pcidma.c
deleted file mode 100644
index 1c9bfeda00b7..000000000000
--- a/arch/sh/boards/overdrive/pcidma.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/* 
- * Copyright (C) 2000 David J. Mckay (david.mckay@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.                            
- *
- * Dynamic DMA mapping support.
- *
- * On the overdrive, we can only DMA from memory behind the PCI bus!
- * this means that all DMA'able memory must come from there. 
- * this restriction will not apply to later boards.
- */
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/pci.h>
-#include <asm/io.h>
-
-void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
-			   dma_addr_t * dma_handle)
-{
-	void *ret;
-	int gfp = GFP_ATOMIC;
-
-        printk("BUG: pci_alloc_consistent() called - not yet supported\n");
-	/* We ALWAYS need DMA memory on the overdrive hardware,
-	 * due to it's extreme weirdness
-	 * Need to flush the cache here as well, since the memory
-	 * can still be seen through the cache!
-	 */
-	gfp |= GFP_DMA;
-	ret = (void *) __get_free_pages(gfp, get_order(size));
-
-	if (ret != NULL) {
-		memset(ret, 0, size);
-		*dma_handle = virt_to_bus(ret);
-	}
-	return ret;
-}
-
-void pci_free_consistent(struct pci_dev *hwdev, size_t size,
-			 void *vaddr, dma_addr_t dma_handle)
-{
-	free_pages((unsigned long) vaddr, get_order(size));
-}
diff --git a/arch/sh/boards/overdrive/setup.c b/arch/sh/boards/overdrive/setup.c
deleted file mode 100644
index a3a7744c2047..000000000000
--- a/arch/sh/boards/overdrive/setup.c
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * arch/sh/overdrive/setup.c
- *
- * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * STMicroelectronics Overdrive Support.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <asm/io.h>
-
-#include <asm/overdrive/overdrive.h>
-#include <asm/overdrive/fpga.h>
-
-const char *get_system_type(void)
-{
-	return "SH7750 Overdrive";
-}
-
-/*
- * Initialize the board
- */
-int __init platform_setup(void)
-{
-#ifdef CONFIG_PCI
-	init_overdrive_fpga();
-	galileo_init();
-#endif
-
-        /* Enable RS232 receive buffers */
-	writel(0x1e, OVERDRIVE_CTRL);
-}
diff --git a/arch/sh/boards/renesas/edosk7705/Makefile b/arch/sh/boards/renesas/edosk7705/Makefile
index 7fccbf2e4a1d..14bdd531f116 100644
--- a/arch/sh/boards/renesas/edosk7705/Makefile
+++ b/arch/sh/boards/renesas/edosk7705/Makefile
@@ -1,10 +1,6 @@
 #
 # Makefile for the EDOSK7705 specific parts of the kernel
 #
-# Note! Dependencies are done automagically by 'make dep', which also
-# removes any old dependencies. DON'T put your own dependencies here
-# unless it's something special (ie not a .c file).
-#
 
 obj-y	 := setup.o io.o
 
diff --git a/arch/sh/boards/renesas/edosk7705/setup.c b/arch/sh/boards/renesas/edosk7705/setup.c
index ba143fa4afaa..ec5be0107719 100644
--- a/arch/sh/boards/renesas/edosk7705/setup.c
+++ b/arch/sh/boards/renesas/edosk7705/setup.c
@@ -8,19 +8,21 @@
  * Modified for edosk7705 development
  * board by S. Dunn, 2003.
  */
-
 #include <linux/init.h>
 #include <asm/machvec.h>
-#include <asm/machvec_init.h>
 #include <asm/edosk7705/io.h>
 
-static void init_edosk7705(void);
+static void __init sh_edosk7705_init_irq(void)
+{
+	/* This is the Ethernet interrupt */
+	make_imask_irq(0x09);
+}
 
 /*
  * The Machine Vector
  */
-
 struct sh_machine_vector mv_edosk7705 __initmv = {
+	.mv_name		= "EDOSK7705",
 	.mv_nr_irqs		= 80,
 
 	.mv_inb			= sh_edosk7705_inb,
@@ -37,23 +39,6 @@ struct sh_machine_vector mv_edosk7705 __initmv = {
 	.mv_outsl		= sh_edosk7705_outsl,
 
 	.mv_isa_port2addr	= sh_edosk7705_isa_port2addr,
-	.mv_init_irq		= init_edosk7705,
+	.mv_init_irq		= sh_edosk7705_init_irq,
 };
 ALIAS_MV(edosk7705)
-
-static void __init init_edosk7705(void)
-{
-	/* This is the Ethernet interrupt */
-	make_imask_irq(0x09);
-}
-
-const char *get_system_type(void)
-{
-	return "EDOSK7705";
-}
-
-void __init platform_setup(void)
-{
-	/* Nothing .. */
-}
-
diff --git a/arch/sh/boards/renesas/hs7751rvoip/Kconfig b/arch/sh/boards/renesas/hs7751rvoip/Kconfig
new file mode 100644
index 000000000000..1743be477be5
--- /dev/null
+++ b/arch/sh/boards/renesas/hs7751rvoip/Kconfig
@@ -0,0 +1,12 @@
+if SH_HS7751RVOIP
+
+menu "HS7751RVoIP options"
+
+config HS7751RVOIP_CODEC
+	bool "Support VoIP Codec section"
+	help
+	  Selecting this option will support CODEC section.
+
+endmenu
+
+endif
diff --git a/arch/sh/boards/renesas/hs7751rvoip/Makefile b/arch/sh/boards/renesas/hs7751rvoip/Makefile
index e8b4109ace11..e626377c55ee 100644
--- a/arch/sh/boards/renesas/hs7751rvoip/Makefile
+++ b/arch/sh/boards/renesas/hs7751rvoip/Makefile
@@ -1,12 +1,8 @@
 #
 # Makefile for the HS7751RVoIP specific parts of the kernel
 #
-# Note! Dependencies are done automagically by 'make dep', which also
-# removes any old dependencies. DON'T put your own dependencies here
-# unless it's something special (ie not a .c file).
-#
 
-obj-y	 := mach.o setup.o io.o irq.o led.o
+obj-y	 := setup.o io.o irq.o
 
 obj-$(CONFIG_PCI) += pci.o
 
diff --git a/arch/sh/boards/renesas/hs7751rvoip/io.c b/arch/sh/boards/renesas/hs7751rvoip/io.c
index 3a1abfa2fefb..9ea1136b219b 100644
--- a/arch/sh/boards/renesas/hs7751rvoip/io.c
+++ b/arch/sh/boards/renesas/hs7751rvoip/io.c
@@ -10,21 +10,16 @@
  * placeholder code from io_hs7751rvoip.c left in with the
  * expectation of later SuperIO and PCMCIA access.
  */
-
 #include <linux/kernel.h>
 #include <linux/types.h>
+#include <linux/module.h>
+#include <linux/pci.h>
 #include <asm/io.h>
 #include <asm/hs7751rvoip/hs7751rvoip.h>
 #include <asm/addrspace.h>
 
-#include <linux/module.h>
-#include <linux/pci.h>
-#include "../../../drivers/pci/pci-sh7751.h"
-
-extern void *area5_io8_base;	/* Area 5 8bit I/O Base address */
 extern void *area6_io8_base;	/* Area 6 8bit I/O Base address */
 extern void *area5_io16_base;	/* Area 5 16bit I/O Base address */
-extern void *area6_io16_base;	/* Area 6 16bit I/O Base address */
 
 /*
  * The 7751R HS7751RVoIP uses the built-in PCI controller (PCIC)
@@ -33,25 +28,8 @@ extern void *area6_io16_base;	/* Area 6 16bit I/O Base address */
  * like the other Solution Engine boards.
  */
 
-#define PCIIOBR		(volatile long *)PCI_REG(SH7751_PCIIOBR)
-#define PCIMBR          (volatile long *)PCI_REG(SH7751_PCIMBR)
-#define PCI_IO_AREA	SH7751_PCI_IO_BASE
-#define PCI_MEM_AREA	SH7751_PCI_CONFIG_BASE
-
-#define PCI_IOMAP(adr)	(PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK))
-
-#if defined(CONFIG_HS7751RVOIP_CODEC)
 #define CODEC_IO_BASE	0x1000
-#endif
-
-#define maybebadio(name,port) \
-  printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \
-	 #name, (port), (__u32) __builtin_return_address(0))
-
-static inline void delay(void)
-{
-	ctrl_inw(0xa0000000);
-}
+#define CODEC_IOMAP(a)	((unsigned long)area6_io8_base + ((a) - CODEC_IO_BASE))
 
 static inline unsigned long port2adr(unsigned int port)
 {
@@ -59,9 +37,10 @@ static inline unsigned long port2adr(unsigned int port)
 		if (port == 0x3f6)
 			return ((unsigned long)area5_io16_base + 0x0c);
 		else
-			return ((unsigned long)area5_io16_base + 0x800 + ((port-0x1f0) << 1));
+			return ((unsigned long)area5_io16_base + 0x800 +
+				((port-0x1f0) << 1));
 	else
-		maybebadio(port2adr, (unsigned long)port);
+		maybebadio((unsigned long)port);
 	return port;
 }
 
@@ -78,25 +57,10 @@ static inline int shifted_port(unsigned long port)
 }
 
 #if defined(CONFIG_HS7751RVOIP_CODEC)
-static inline int
-codec_port(unsigned long port)
-{
-	if (CODEC_IO_BASE <= port && port < (CODEC_IO_BASE+0x20))
-		return 1;
-	else
-		return 0;
-}
-#endif
-
-/* In case someone configures the kernel w/o PCI support: in that */
-/* scenario, don't ever bother to check for PCI-window addresses */
-
-/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */
-#if defined(CONFIG_PCI)
-#define CHECK_SH7751_PCIIO(port) \
-  ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE)))
+#define codec_port(port)	\
+	((CODEC_IO_BASE <= (port)) && ((port) < (CODEC_IO_BASE + 0x20)))
 #else
-#define CHECK_SH7751_PCIIO(port) (0)
+#define codec_port(port)	(0)
 #endif
 
 /*
@@ -109,15 +73,13 @@ codec_port(unsigned long port)
 unsigned char hs7751rvoip_inb(unsigned long port)
 {
 	if (PXSEG(port))
-		return *(volatile unsigned char *)port;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
+		return ctrl_inb(port);
 	else if (codec_port(port))
-		return *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE));
-#endif
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		return *(volatile unsigned char *)PCI_IOMAP(port);
+		return ctrl_inb(CODEC_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return ctrl_inb(pci_ioaddr(port));
 	else
-		return (*(volatile unsigned short *)port2adr(port) & 0xff);
+		return ctrl_inw(port2adr(port)) & 0xff;
 }
 
 unsigned char hs7751rvoip_inb_p(unsigned long port)
@@ -125,38 +87,36 @@ unsigned char hs7751rvoip_inb_p(unsigned long port)
 	unsigned char v;
 
         if (PXSEG(port))
-                v = *(volatile unsigned char *)port;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
+		v = ctrl_inb(port);
 	else if (codec_port(port))
-		v = *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE));
-#endif
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-                v = *(volatile unsigned char *)PCI_IOMAP(port);
+		v = ctrl_inb(CODEC_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		v = ctrl_inb(pci_ioaddr(port));
 	else
-		v = (*(volatile unsigned short *)port2adr(port) & 0xff);
-	delay();
+		v = ctrl_inw(port2adr(port)) & 0xff;
+	ctrl_delay();
 	return v;
 }
 
 unsigned short hs7751rvoip_inw(unsigned long port)
 {
         if (PXSEG(port))
-                return *(volatile unsigned short *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-                return *(volatile unsigned short *)PCI_IOMAP(port);
+		return ctrl_inw(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return ctrl_inw(pci_ioaddr(port));
 	else
-		maybebadio(inw, port);
+		maybebadio(port);
 	return 0;
 }
 
 unsigned int hs7751rvoip_inl(unsigned long port)
 {
         if (PXSEG(port))
-                return *(volatile unsigned long *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-                return *(volatile unsigned long *)PCI_IOMAP(port);
+		return ctrl_inl(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return ctrl_inl(pci_ioaddr(port));
 	else
-		maybebadio(inl, port);
+		maybebadio(port);
 	return 0;
 }
 
@@ -164,146 +124,160 @@ void hs7751rvoip_outb(unsigned char value, unsigned long port)
 {
 
         if (PXSEG(port))
-                *(volatile unsigned char *)port = value;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
+		ctrl_outb(value, port);
 	else if (codec_port(port))
-		*(volatile unsigned cjar *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = value;
-#endif
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-        	*(unsigned char *)PCI_IOMAP(port) = value;
+		ctrl_outb(value, CODEC_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outb(value, pci_ioaddr(port));
 	else
-		*(volatile unsigned short *)port2adr(port) = value;
+		ctrl_outb(value, port2adr(port));
 }
 
 void hs7751rvoip_outb_p(unsigned char value, unsigned long port)
 {
         if (PXSEG(port))
-                *(volatile unsigned char *)port = value;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
+		ctrl_outb(value, port);
 	else if (codec_port(port))
-		*(volatile unsigned cjar *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = value;
-#endif
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-        	*(unsigned char *)PCI_IOMAP(port) = value;
+		ctrl_outb(value, CODEC_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outb(value, pci_ioaddr(port));
 	else
-		*(volatile unsigned short *)port2adr(port) = value;
-	delay();
+		ctrl_outw(value, port2adr(port));
+
+	ctrl_delay();
 }
 
 void hs7751rvoip_outw(unsigned short value, unsigned long port)
 {
         if (PXSEG(port))
-                *(volatile unsigned short *)port = value;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-        	*(unsigned short *)PCI_IOMAP(port) = value;
+		ctrl_outw(value, port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outw(value, pci_ioaddr(port));
 	else
-		maybebadio(outw, port);
+		maybebadio(port);
 }
 
 void hs7751rvoip_outl(unsigned int value, unsigned long port)
 {
         if (PXSEG(port))
-                *(volatile unsigned long *)port = value;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-        	*((unsigned long *)PCI_IOMAP(port)) = value;
+		ctrl_outl(value, port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outl(value, pci_ioaddr(port));
 	else
-		maybebadio(outl, port);
+		maybebadio(port);
 }
 
 void hs7751rvoip_insb(unsigned long port, void *addr, unsigned long count)
 {
+	u8 *buf = addr;
+
 	if (PXSEG(port))
-		while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)port;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
+		while (count--)
+			*buf++ = ctrl_inb(port);
 	else if (codec_port(port))
-		while (count--) *((unsigned char *) addr)++ = *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE));
-#endif
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
-		volatile __u8 *bp = (__u8 *)PCI_IOMAP(port);
+		while (count--)
+			*buf++ = ctrl_inb(CODEC_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u8 *bp = (volatile u8 *)pci_ioaddr(port);
 
-		while (count--) *((volatile unsigned char *) addr)++ = *bp;
+		while (count--)
+			*buf++ = *bp;
 	} else {
-		volatile __u16 *p = (volatile unsigned short *)port2adr(port);
+		volatile u16 *p = (volatile u16 *)port2adr(port);
 
-		while (count--) *((unsigned char *) addr)++ = *p & 0xff;
+		while (count--)
+			*buf++ = *p & 0xff;
 	}
 }
 
 void hs7751rvoip_insw(unsigned long port, void *addr, unsigned long count)
 {
-	volatile __u16 *p;
+	volatile u16 *p;
+	u16 *buf = addr;
 
 	if (PXSEG(port))
-		p = (volatile unsigned short *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		p = (volatile unsigned short *)PCI_IOMAP(port);
+		p = (volatile u16 *)port;
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		p = (volatile u16 *)pci_ioaddr(port);
 	else
-		p = (volatile unsigned short *)port2adr(port);
-	while (count--) *((__u16 *) addr)++ = *p;
+		p = (volatile u16 *)port2adr(port);
+	while (count--)
+		*buf++ = *p;
 }
 
 void hs7751rvoip_insl(unsigned long port, void *addr, unsigned long count)
 {
-	if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
-		volatile __u32 *p = (__u32 *)PCI_IOMAP(port);
 
-		while (count--) *((__u32 *) addr)++ = *p;
+	if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u32 *p = (volatile u32 *)pci_ioaddr(port);
+		u32 *buf = addr;
+
+		while (count--)
+			*buf++ = *p;
 	} else
-		maybebadio(insl, port);
+		maybebadio(port);
 }
 
 void hs7751rvoip_outsb(unsigned long port, const void *addr, unsigned long count)
 {
+	const u8 *buf = addr;
+
 	if (PXSEG(port))
-		while (count--) *(volatile unsigned char *)port = *((unsigned char *) addr)++;
-#if defined(CONFIG_HS7751RVOIP_CODEC)
+		while (count--)
+			ctrl_outb(*buf++, port);
 	else if (codec_port(port))
-		while (count--) *(volatile unsigned char *)((unsigned long)area6_io8_base+(port-CODEC_IO_BASE)) = *((unsigned char *) addr)++;
-#endif
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
-		volatile __u8 *bp = (__u8 *)PCI_IOMAP(port);
+		while (count--)
+			ctrl_outb(*buf++, CODEC_IOMAP(port));
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u8 *bp = (volatile u8 *)pci_ioaddr(port);
 
-		while (count--) *bp = *((volatile unsigned char *) addr)++;
+		while (count--)
+			*bp = *buf++;
 	} else {
-		volatile __u16 *p = (volatile unsigned short *)port2adr(port);
+		volatile u16 *p = (volatile u16 *)port2adr(port);
 
-		while (count--) *p = *((unsigned char *) addr)++;
+		while (count--)
+			*p = *buf++;
 	}
 }
 
 void hs7751rvoip_outsw(unsigned long port, const void *addr, unsigned long count)
 {
-	volatile __u16 *p;
+	volatile u16 *p;
+	const u16 *buf = addr;
 
 	if (PXSEG(port))
-		p = (volatile unsigned short *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		p = (volatile unsigned short *)PCI_IOMAP(port);
+		p = (volatile u16 *)port;
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		p = (volatile u16 *)pci_ioaddr(port);
 	else
-		p = (volatile unsigned short *)port2adr(port);
-	while (count--) *p = *((__u16 *) addr)++;
+		p = (volatile u16 *)port2adr(port);
+
+	while (count--)
+		*p = *buf++;
 }
 
 void hs7751rvoip_outsl(unsigned long port, const void *addr, unsigned long count)
 {
-	if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
-		volatile __u32 *p = (__u32 *)PCI_IOMAP(port);
+	const u32 *buf = addr;
 
-		while (count--) *p = *((__u32 *) addr)++;
+	if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u32 *p = (volatile u32 *)pci_ioaddr(port);
+
+		while (count--)
+			*p = *buf++;
 	} else
-		maybebadio(outsl, port);
+		maybebadio(port);
 }
 
-void *hs7751rvoip_ioremap(unsigned long offset, unsigned long size)
+void __iomem *hs7751rvoip_ioport_map(unsigned long port, unsigned int size)
 {
-	if (offset >= 0xfd000000)
-		return (void *)offset;
-	else
-		return (void *)P2SEGADDR(offset);
-}
-EXPORT_SYMBOL(hs7751rvoip_ioremap);
+        if (PXSEG(port))
+                return (void __iomem *)port;
+	else if (unlikely(codec_port(port) && (size == 1)))
+		return (void __iomem *)CODEC_IOMAP(port);
+        else if (is_pci_ioaddr(port))
+                return (void __iomem *)pci_ioaddr(port);
 
-unsigned long hs7751rvoip_isa_port2addr(unsigned long offset)
-{
-	return port2adr(offset);
+        return (void __iomem *)port2adr(port);
 }
diff --git a/arch/sh/boards/renesas/hs7751rvoip/irq.c b/arch/sh/boards/renesas/hs7751rvoip/irq.c
index 705b7ddcb0d2..c617b188258a 100644
--- a/arch/sh/boards/renesas/hs7751rvoip/irq.c
+++ b/arch/sh/boards/renesas/hs7751rvoip/irq.c
@@ -35,30 +35,24 @@ static unsigned int startup_hs7751rvoip_irq(unsigned int irq)
 
 static void disable_hs7751rvoip_irq(unsigned int irq)
 {
-	unsigned long flags;
 	unsigned short val;
 	unsigned short mask = 0xffff ^ (0x0001 << mask_pos[irq]);
 
 	/* Set the priority in IPR to 0 */
-	local_irq_save(flags);
 	val = ctrl_inw(IRLCNTR3);
 	val &= mask;
 	ctrl_outw(val, IRLCNTR3);
-	local_irq_restore(flags);
 }
 
 static void enable_hs7751rvoip_irq(unsigned int irq)
 {
-	unsigned long flags;
 	unsigned short val;
 	unsigned short value = (0x0001 << mask_pos[irq]);
 
 	/* Set priority in IPR back to original value */
-	local_irq_save(flags);
 	val = ctrl_inw(IRLCNTR3);
 	val |= value;
 	ctrl_outw(val, IRLCNTR3);
-	local_irq_restore(flags);
 }
 
 static void ack_hs7751rvoip_irq(unsigned int irq)
diff --git a/arch/sh/boards/renesas/hs7751rvoip/led.c b/arch/sh/boards/renesas/hs7751rvoip/led.c
deleted file mode 100644
index b6608fff9f38..000000000000
--- a/arch/sh/boards/renesas/hs7751rvoip/led.c
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * linux/arch/sh/kernel/setup_hs7751rvoip.c
- *
- * Copyright (C) 2000  Kazumoto Kojima
- *
- * Renesas Technology Sales HS7751RVoIP Support.
- *
- * Modified for HS7751RVoIP by
- * Atom Create Engineering Co., Ltd. 2002.
- * Lineo uSolutions, Inc. 2003.
- */
-
-#include <asm/io.h>
-#include <asm/hs7751rvoip/hs7751rvoip.h>
-
-extern unsigned int debug_counter;
-
-void debug_led_disp(void)
-{
-	unsigned short value;
-
-	value = (unsigned char)debug_counter++;
-	ctrl_outb((0xf0|value), PA_OUTPORTR);
-	if (value == 0x0f)
-		debug_counter = 0;
-}
diff --git a/arch/sh/boards/renesas/hs7751rvoip/mach.c b/arch/sh/boards/renesas/hs7751rvoip/mach.c
deleted file mode 100644
index caf967f77c61..000000000000
--- a/arch/sh/boards/renesas/hs7751rvoip/mach.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * linux/arch/sh/kernel/mach_hs7751rvoip.c
- *
- * Minor tweak of mach_se.c file to reference hs7751rvoip-specific items.
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * Machine vector for the Renesas Technology sales HS7751RVoIP
- */
-
-#include <linux/init.h>
-
-#include <asm/machvec.h>
-#include <asm/rtc.h>
-#include <asm/irq.h>
-#include <asm/hs7751rvoip/io.h>
-
-extern void init_hs7751rvoip_IRQ(void);
-extern void *hs7751rvoip_ioremap(unsigned long, unsigned long);
-
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_hs7751rvoip __initmv = {
-	.mv_nr_irqs		= 72,
-
-	.mv_inb			= hs7751rvoip_inb,
-	.mv_inw			= hs7751rvoip_inw,
-	.mv_inl			= hs7751rvoip_inl,
-	.mv_outb		= hs7751rvoip_outb,
-	.mv_outw		= hs7751rvoip_outw,
-	.mv_outl		= hs7751rvoip_outl,
-
-	.mv_inb_p		= hs7751rvoip_inb_p,
-	.mv_inw_p		= hs7751rvoip_inw,
-	.mv_inl_p		= hs7751rvoip_inl,
-	.mv_outb_p		= hs7751rvoip_outb_p,
-	.mv_outw_p		= hs7751rvoip_outw,
-	.mv_outl_p		= hs7751rvoip_outl,
-
-	.mv_insb		= hs7751rvoip_insb,
-	.mv_insw		= hs7751rvoip_insw,
-	.mv_insl		= hs7751rvoip_insl,
-	.mv_outsb		= hs7751rvoip_outsb,
-	.mv_outsw		= hs7751rvoip_outsw,
-	.mv_outsl		= hs7751rvoip_outsl,
-
-	.mv_ioremap		= hs7751rvoip_ioremap,
-	.mv_isa_port2addr	= hs7751rvoip_isa_port2addr,
-	.mv_init_irq		= init_hs7751rvoip_IRQ,
-};
-ALIAS_MV(hs7751rvoip)
diff --git a/arch/sh/boards/renesas/hs7751rvoip/setup.c b/arch/sh/boards/renesas/hs7751rvoip/setup.c
index 29fb5ff70fb5..0414c15c3458 100644
--- a/arch/sh/boards/renesas/hs7751rvoip/setup.c
+++ b/arch/sh/boards/renesas/hs7751rvoip/setup.c
@@ -1,44 +1,38 @@
 /*
- * linux/arch/sh/kernel/setup_hs7751rvoip.c
+ * Renesas Technology Sales HS7751RVoIP Support.
  *
  * Copyright (C) 2000  Kazumoto Kojima
  *
- * Renesas Technology Sales HS7751RVoIP Support.
- *
  * Modified for HS7751RVoIP by
  * Atom Create Engineering Co., Ltd. 2002.
  * Lineo uSolutions, Inc. 2003.
  */
-
 #include <linux/init.h>
 #include <linux/irq.h>
-
+#include <linux/mm.h>
+#include <linux/vmalloc.h>
 #include <linux/hdreg.h>
 #include <linux/ide.h>
+#include <linux/pm.h>
 #include <asm/io.h>
 #include <asm/hs7751rvoip/hs7751rvoip.h>
+#include <asm/machvec.h>
+#include <asm/rtc.h>
+#include <asm/irq.h>
 
-#include <linux/mm.h>
-#include <linux/vmalloc.h>
-
-/* defined in mm/ioremap.c */
-extern void * p3_ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags);
-
-unsigned int debug_counter;
-
-const char *get_system_type(void)
+static void __init hs7751rvoip_init_irq(void)
 {
-	return "HS7751RVoIP";
+#if defined(CONFIG_HS7751RVOIP_CODEC)
+	make_ipr_irq(DMTE0_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
+	make_ipr_irq(DMTE1_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
+#endif
+
+	init_hs7751rvoip_IRQ();
 }
 
-/*
- * Initialize the board
- */
-void __init platform_setup(void)
+static void hs7751rvoip_power_off(void)
 {
-	printk(KERN_INFO "Renesas Technology Sales HS7751RVoIP-2 support.\n");
-	ctrl_outb(0xf0, PA_OUTPORTR);
-	debug_counter = 0;
+	ctrl_outw(ctrl_inw(PA_OUTPORTR) & 0xffdf, PA_OUTPORTR);
 }
 
 void *area5_io8_base;
@@ -46,16 +40,15 @@ void *area6_io8_base;
 void *area5_io16_base;
 void *area6_io16_base;
 
-int __init cf_init(void)
+static int __init hs7751rvoip_cf_init(void)
 {
 	pgprot_t prot;
-	unsigned long paddrbase, psize;
+	unsigned long paddrbase;
 
 	/* open I/O area window */
 	paddrbase = virt_to_phys((void *)(PA_AREA5_IO+0x00000800));
-	psize = PAGE_SIZE;
 	prot = PAGE_KERNEL_PCC(1, _PAGE_PCC_COM16);
-	area5_io16_base = p3_ioremap(paddrbase, psize, prot.pgprot);
+	area5_io16_base = p3_ioremap(paddrbase, PAGE_SIZE, prot.pgprot);
 	if (!area5_io16_base) {
 		printk("allocate_cf_area : can't open CF I/O window!\n");
 		return -ENOMEM;
@@ -64,19 +57,18 @@ int __init cf_init(void)
 	/* XXX : do we need attribute and common-memory area also? */
 
 	paddrbase = virt_to_phys((void *)PA_AREA6_IO);
-	psize = PAGE_SIZE;
 #if defined(CONFIG_HS7751RVOIP_CODEC)
 	prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_COM8);
 #else
 	prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_IO8);
 #endif
-	area6_io8_base = p3_ioremap(paddrbase, psize, prot.pgprot);
+	area6_io8_base = p3_ioremap(paddrbase, PAGE_SIZE, prot.pgprot);
 	if (!area6_io8_base) {
 		printk("allocate_cf_area : can't open CODEC I/O 8bit window!\n");
 		return -ENOMEM;
 	}
 	prot = PAGE_KERNEL_PCC(0, _PAGE_PCC_IO16);
-	area6_io16_base = p3_ioremap(paddrbase, psize, prot.pgprot);
+	area6_io16_base = p3_ioremap(paddrbase, PAGE_SIZE, prot.pgprot);
 	if (!area6_io16_base) {
 		printk("allocate_cf_area : can't open CODEC I/O 16bit window!\n");
 		return -ENOMEM;
@@ -85,4 +77,46 @@ int __init cf_init(void)
 	return 0;
 }
 
-__initcall (cf_init);
+/*
+ * Initialize the board
+ */
+static void __init hs7751rvoip_setup(char **cmdline_p)
+{
+	device_initcall(hs7751rvoip_cf_init);
+
+	ctrl_outb(0xf0, PA_OUTPORTR);
+	pm_power_off = hs7751rvoip_power_off;
+
+	printk(KERN_INFO "Renesas Technology Sales HS7751RVoIP-2 support.\n");
+}
+
+struct sh_machine_vector mv_hs7751rvoip __initmv = {
+	.mv_name		= "HS7751RVoIP",
+	.mv_setup		= hs7751rvoip_setup,
+	.mv_nr_irqs		= 72,
+
+	.mv_inb			= hs7751rvoip_inb,
+	.mv_inw			= hs7751rvoip_inw,
+	.mv_inl			= hs7751rvoip_inl,
+	.mv_outb		= hs7751rvoip_outb,
+	.mv_outw		= hs7751rvoip_outw,
+	.mv_outl		= hs7751rvoip_outl,
+
+	.mv_inb_p		= hs7751rvoip_inb_p,
+	.mv_inw_p		= hs7751rvoip_inw,
+	.mv_inl_p		= hs7751rvoip_inl,
+	.mv_outb_p		= hs7751rvoip_outb_p,
+	.mv_outw_p		= hs7751rvoip_outw,
+	.mv_outl_p		= hs7751rvoip_outl,
+
+	.mv_insb		= hs7751rvoip_insb,
+	.mv_insw		= hs7751rvoip_insw,
+	.mv_insl		= hs7751rvoip_insl,
+	.mv_outsb		= hs7751rvoip_outsb,
+	.mv_outsw		= hs7751rvoip_outsw,
+	.mv_outsl		= hs7751rvoip_outsl,
+
+	.mv_init_irq		= hs7751rvoip_init_irq,
+	.mv_ioport_map		= hs7751rvoip_ioport_map,
+};
+ALIAS_MV(hs7751rvoip)
diff --git a/arch/sh/boards/renesas/r7780rp/Kconfig b/arch/sh/boards/renesas/r7780rp/Kconfig
new file mode 100644
index 000000000000..c26d9813d239
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/Kconfig
@@ -0,0 +1,14 @@
+if SH_R7780RP
+
+menu "R7780RP options"
+
+config SH_R7780MP
+	bool "R7780MP board support"
+	default y
+	help
+	  Selecting this option will enable support for the mass-production
+	  version of the R7780RP. If in doubt, say Y.
+
+endmenu
+
+endif
diff --git a/arch/sh/boards/renesas/r7780rp/Makefile b/arch/sh/boards/renesas/r7780rp/Makefile
new file mode 100644
index 000000000000..f1776d027978
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile for the R7780RP-1 specific parts of the kernel
+#
+
+obj-y	 := setup.o io.o irq.o
+obj-$(CONFIG_HEARTBEAT)	+= led.o
diff --git a/arch/sh/boards/renesas/r7780rp/io.c b/arch/sh/boards/renesas/r7780rp/io.c
new file mode 100644
index 000000000000..db92d6e6ae99
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/io.c
@@ -0,0 +1,301 @@
+/*
+ * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
+ * Based largely on io_se.c.
+ *
+ * I/O routine for Renesas Solutions Highlander R7780RP-1
+ *
+ * Initial version only to support LAN access; some
+ * placeholder code from io_r7780rp.c left in with the
+ * expectation of later SuperIO and PCMCIA access.
+ */
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <asm/r7780rp/r7780rp.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+
+static inline unsigned long port2adr(unsigned int port)
+{
+	if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6)
+		if (port == 0x3f6)
+			return (PA_AREA5_IO + 0x80c);
+		else
+			return (PA_AREA5_IO + 0x1000 + ((port-0x1f0) << 1));
+	else
+		maybebadio((unsigned long)port);
+
+	return port;
+}
+
+static inline unsigned long port88796l(unsigned int port, int flag)
+{
+	unsigned long addr;
+
+	if (flag)
+		addr = PA_AX88796L + ((port - AX88796L_IO_BASE) << 1);
+	else
+		addr = PA_AX88796L + ((port - AX88796L_IO_BASE) << 1) + 0x1000;
+
+	return addr;
+}
+
+/* The 7780 R7780RP-1 seems to have everything hooked */
+/* up pretty normally (nothing on high-bytes only...) so this */
+/* shouldn't be needed */
+static inline int shifted_port(unsigned long port)
+{
+	/* For IDE registers, value is not shifted */
+	if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6)
+		return 0;
+	else
+		return 1;
+}
+
+#if defined(CONFIG_NE2000) || defined(CONFIG_NE2000_MODULE)
+#define CHECK_AX88796L_PORT(port) \
+  ((port >= AX88796L_IO_BASE) && (port < (AX88796L_IO_BASE+0x20)))
+#else
+#define CHECK_AX88796L_PORT(port) (0)
+#endif
+
+/*
+ * General outline: remap really low stuff [eventually] to SuperIO,
+ * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
+ * is mapped through the PCI IO window.  Stuff with high bits (PXSEG)
+ * should be way beyond the window, and is used  w/o translation for
+ * compatibility.
+ */
+u8 r7780rp_inb(unsigned long port)
+{
+	if (CHECK_AX88796L_PORT(port))
+		return ctrl_inw(port88796l(port, 0)) & 0xff;
+	else if (PXSEG(port))
+		return ctrl_inb(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return ctrl_inb(pci_ioaddr(port));
+
+	return ctrl_inw(port2adr(port)) & 0xff;
+}
+
+u8 r7780rp_inb_p(unsigned long port)
+{
+	u8 v;
+
+	if (CHECK_AX88796L_PORT(port))
+		v = ctrl_inw(port88796l(port, 0)) & 0xff;
+	else if (PXSEG(port))
+		v = ctrl_inb(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		v = ctrl_inb(pci_ioaddr(port));
+	else
+		v = ctrl_inw(port2adr(port)) & 0xff;
+
+	ctrl_delay();
+
+	return v;
+}
+
+u16 r7780rp_inw(unsigned long port)
+{
+	if (CHECK_AX88796L_PORT(port))
+		maybebadio(port);
+	else if (PXSEG(port))
+		return ctrl_inw(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return ctrl_inw(pci_ioaddr(port));
+	else
+		maybebadio(port);
+
+	return 0;
+}
+
+u32 r7780rp_inl(unsigned long port)
+{
+	if (CHECK_AX88796L_PORT(port))
+		maybebadio(port);
+	else if (PXSEG(port))
+		return ctrl_inl(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return ctrl_inl(pci_ioaddr(port));
+	else
+		maybebadio(port);
+
+	return 0;
+}
+
+void r7780rp_outb(u8 value, unsigned long port)
+{
+	if (CHECK_AX88796L_PORT(port))
+		ctrl_outw(value, port88796l(port, 0));
+	else if (PXSEG(port))
+		ctrl_outb(value, port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outb(value, pci_ioaddr(port));
+	else
+		ctrl_outw(value, port2adr(port));
+}
+
+void r7780rp_outb_p(u8 value, unsigned long port)
+{
+	if (CHECK_AX88796L_PORT(port))
+		ctrl_outw(value, port88796l(port, 0));
+	else if (PXSEG(port))
+		ctrl_outb(value, port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outb(value, pci_ioaddr(port));
+	else
+		ctrl_outw(value, port2adr(port));
+
+	ctrl_delay();
+}
+
+void r7780rp_outw(u16 value, unsigned long port)
+{
+	if (CHECK_AX88796L_PORT(port))
+		maybebadio(port);
+	else if (PXSEG(port))
+		ctrl_outw(value, port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outw(value, pci_ioaddr(port));
+	else
+		maybebadio(port);
+}
+
+void r7780rp_outl(u32 value, unsigned long port)
+{
+	if (CHECK_AX88796L_PORT(port))
+		maybebadio(port);
+	else if (PXSEG(port))
+		ctrl_outl(value, port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		ctrl_outl(value, pci_ioaddr(port));
+	else
+		maybebadio(port);
+}
+
+void r7780rp_insb(unsigned long port, void *dst, unsigned long count)
+{
+	volatile u16 *p;
+	u8 *buf = dst;
+
+	if (CHECK_AX88796L_PORT(port)) {
+		p = (volatile u16 *)port88796l(port, 0);
+		while (count--)
+			*buf++ = *p & 0xff;
+	} else if (PXSEG(port)) {
+		while (count--)
+			*buf++ = *(volatile u8 *)port;
+	} else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u8 *bp = (volatile u8 *)pci_ioaddr(port);
+
+		while (count--)
+			*buf++ = *bp;
+	} else {
+		p = (volatile u16 *)port2adr(port);
+		while (count--)
+			*buf++ = *p & 0xff;
+	}
+}
+
+void r7780rp_insw(unsigned long port, void *dst, unsigned long count)
+{
+	volatile u16 *p;
+	u16 *buf = dst;
+
+	if (CHECK_AX88796L_PORT(port))
+		p = (volatile u16 *)port88796l(port, 1);
+	else if (PXSEG(port))
+		p = (volatile u16 *)port;
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		p = (volatile u16 *)pci_ioaddr(port);
+	else
+		p = (volatile u16 *)port2adr(port);
+
+	while (count--)
+		*buf++ = *p;
+}
+
+void r7780rp_insl(unsigned long port, void *dst, unsigned long count)
+{
+	u32 *buf = dst;
+
+	if (CHECK_AX88796L_PORT(port))
+		maybebadio(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u32 *p = (volatile u32 *)pci_ioaddr(port);
+
+		while (count--)
+			*buf++ = *p;
+	} else
+		maybebadio(port);
+}
+
+void r7780rp_outsb(unsigned long port, const void *src, unsigned long count)
+{
+	volatile u16 *p;
+	const u8 *buf = src;
+
+	if (CHECK_AX88796L_PORT(port)) {
+		p = (volatile u16 *)port88796l(port, 0);
+		while (count--)
+			*p = *buf++;
+	} else if (PXSEG(port))
+		while (count--)
+			ctrl_outb(*buf++, port);
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u8 *bp = (volatile u8 *)pci_ioaddr(port);
+
+		while (count--)
+			*bp = *buf++;
+	} else {
+		p = (volatile u16 *)port2adr(port);
+		while (count--)
+			*p = *buf++;
+	}
+}
+
+void r7780rp_outsw(unsigned long port, const void *src, unsigned long count)
+{
+	volatile u16 *p;
+	const u16 *buf = src;
+
+	if (CHECK_AX88796L_PORT(port))
+		p = (volatile u16 *)port88796l(port, 1);
+	else if (PXSEG(port))
+		p = (volatile u16 *)port;
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		p = (volatile u16 *)pci_ioaddr(port);
+	else
+		p = (volatile u16 *)port2adr(port);
+
+	while (count--)
+		*p = *buf++;
+}
+
+void r7780rp_outsl(unsigned long port, const void *src, unsigned long count)
+{
+	const u32 *buf = src;
+
+	if (CHECK_AX88796L_PORT(port))
+		maybebadio(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		volatile u32 *p = (volatile u32 *)pci_ioaddr(port);
+
+		while (count--)
+			*p = *buf++;
+	} else
+		maybebadio(port);
+}
+
+void __iomem *r7780rp_ioport_map(unsigned long port, unsigned int size)
+{
+	if (CHECK_AX88796L_PORT(port))
+		return (void __iomem *)port88796l(port, size > 1);
+	else if (PXSEG(port))
+		return (void __iomem *)port;
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return (void __iomem *)pci_ioaddr(port);
+
+	return (void __iomem *)port2adr(port);
+}
diff --git a/arch/sh/boards/renesas/r7780rp/irq.c b/arch/sh/boards/renesas/r7780rp/irq.c
new file mode 100644
index 000000000000..61d5e5d3c294
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/irq.c
@@ -0,0 +1,117 @@
+/*
+ * linux/arch/sh/boards/renesas/r7780rp/irq.c
+ *
+ * Copyright (C) 2000  Kazumoto Kojima
+ *
+ * Renesas Solutions Highlander R7780RP-1 Support.
+ *
+ * Modified for R7780RP-1 by
+ * Atom Create Engineering Co., Ltd. 2002.
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/r7780rp/r7780rp.h>
+
+#ifdef CONFIG_SH_R7780MP
+static int mask_pos[] = {12, 11, 9, 14, 15, 8, 13, 6, 5, 4, 3, 2, 0, 0, 1, 0};
+#else
+static int mask_pos[] = {15, 14, 13, 12, 11, 10, 9, 8, 7, 5, 6, 4, 0, 1, 2, 0};
+#endif
+
+static void enable_r7780rp_irq(unsigned int irq);
+static void disable_r7780rp_irq(unsigned int irq);
+
+/* shutdown is same as "disable" */
+#define shutdown_r7780rp_irq disable_r7780rp_irq
+
+static void ack_r7780rp_irq(unsigned int irq);
+static void end_r7780rp_irq(unsigned int irq);
+
+static unsigned int startup_r7780rp_irq(unsigned int irq)
+{
+	enable_r7780rp_irq(irq);
+	return 0; /* never anything pending */
+}
+
+static void disable_r7780rp_irq(unsigned int irq)
+{
+	unsigned short val;
+	unsigned short mask = 0xffff ^ (0x0001 << mask_pos[irq]);
+
+	/* Set the priority in IPR to 0 */
+	val = ctrl_inw(IRLCNTR1);
+	val &= mask;
+	ctrl_outw(val, IRLCNTR1);
+}
+
+static void enable_r7780rp_irq(unsigned int irq)
+{
+	unsigned short val;
+	unsigned short value = (0x0001 << mask_pos[irq]);
+
+	/* Set priority in IPR back to original value */
+	val = ctrl_inw(IRLCNTR1);
+	val |= value;
+	ctrl_outw(val, IRLCNTR1);
+}
+
+static void ack_r7780rp_irq(unsigned int irq)
+{
+	disable_r7780rp_irq(irq);
+}
+
+static void end_r7780rp_irq(unsigned int irq)
+{
+	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
+		enable_r7780rp_irq(irq);
+}
+
+static struct hw_interrupt_type r7780rp_irq_type = {
+	.typename = "R7780RP-IRQ",
+	.startup = startup_r7780rp_irq,
+	.shutdown = shutdown_r7780rp_irq,
+	.enable = enable_r7780rp_irq,
+	.disable = disable_r7780rp_irq,
+	.ack = ack_r7780rp_irq,
+	.end = end_r7780rp_irq,
+};
+
+static void make_r7780rp_irq(unsigned int irq)
+{
+	disable_irq_nosync(irq);
+	irq_desc[irq].handler = &r7780rp_irq_type;
+	disable_r7780rp_irq(irq);
+}
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_r7780rp_IRQ(void)
+{
+	int i;
+
+	/* IRL0=PCI Slot #A
+	 * IRL1=PCI Slot #B
+	 * IRL2=PCI Slot #C
+	 * IRL3=PCI Slot #D
+	 * IRL4=CF Card
+	 * IRL5=CF Card Insert
+	 * IRL6=M66596
+	 * IRL7=SD Card
+	 * IRL8=Touch Panel
+	 * IRL9=SCI
+	 * IRL10=Serial
+	 * IRL11=Extention #A
+	 * IRL11=Extention #B
+	 * IRL12=Debug LAN
+	 * IRL13=Push Switch
+	 * IRL14=ZiggBee IO
+	 */
+
+	for (i=0; i<15; i++)
+		make_r7780rp_irq(i);
+}
diff --git a/arch/sh/boards/renesas/r7780rp/led.c b/arch/sh/boards/renesas/r7780rp/led.c
new file mode 100644
index 000000000000..9f02766b6f53
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/led.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) Atom Create Engineering Co., Ltd.
+ *
+ * May be copied or modified under the terms of GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ * This file contains Renesas Solutions HIGHLANDER R7780RP-1 specific LED code.
+ */
+
+#include <linux/config.h>
+#include <linux/sched.h>
+#include <asm/io.h>
+#include <asm/r7780rp/r7780rp.h>
+
+/* Cycle the LED's in the clasic Knightriger/Sun pattern */
+void heartbeat_r7780rp(void)
+{
+	static unsigned int cnt = 0, period = 0;
+	volatile unsigned short *p = (volatile unsigned short *)PA_OBLED;
+	static unsigned bit = 0, up = 1;
+	unsigned bit_pos[] = {2, 1, 0, 3, 6, 5, 4, 7};
+
+	cnt += 1;
+	if (cnt < period)
+		return;
+
+	cnt = 0;
+
+	/* Go through the points (roughly!):
+	 * f(0)=10, f(1)=16, f(2)=20, f(5)=35, f(int)->110
+	 */
+	period = 110 - ((300 << FSHIFT)/((avenrun[0]/5) + (3<<FSHIFT)));
+
+	*p = 1 << bit_pos[bit];
+	if (up)
+		if (bit == 7) {
+			bit--;
+			up = 0;
+		} else
+			bit++;
+	else if (bit == 0)
+		up = 1;
+	else
+		bit--;
+}
diff --git a/arch/sh/boards/renesas/r7780rp/setup.c b/arch/sh/boards/renesas/r7780rp/setup.c
new file mode 100644
index 000000000000..b941aa0aa34e
--- /dev/null
+++ b/arch/sh/boards/renesas/r7780rp/setup.c
@@ -0,0 +1,163 @@
+/*
+ * arch/sh/boards/renesas/r7780rp/setup.c
+ *
+ * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
+ * Copyright (C) 2005, 2006 Paul Mundt
+ *
+ * Renesas Solutions Highlander R7780RP-1 Support.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <asm/machvec.h>
+#include <asm/r7780rp/r7780rp.h>
+#include <asm/clock.h>
+#include <asm/io.h>
+
+extern void heartbeat_r7780rp(void);
+extern void init_r7780rp_IRQ(void);
+
+static struct resource m66596_usb_host_resources[] = {
+	[0] = {
+		.start	= 0xa4800000,
+		.end	= 0xa4ffffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 6,		/* irq number */
+		.end	= 6,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device m66596_usb_host_device = {
+	.name		= "m66596-hcd",
+	.id		= 0,
+	.dev = {
+		.dma_mask		= NULL,		/* don't use dma */
+		.coherent_dma_mask	= 0xffffffff,
+	},
+	.num_resources	= ARRAY_SIZE(m66596_usb_host_resources),
+	.resource	= m66596_usb_host_resources,
+};
+
+static struct platform_device *r7780rp_devices[] __initdata = {
+	&m66596_usb_host_device,
+};
+
+static int __init r7780rp_devices_setup(void)
+{
+	return platform_add_devices(r7780rp_devices,
+				    ARRAY_SIZE(r7780rp_devices));
+}
+
+/*
+ * Platform specific clocks
+ */
+static void ivdr_clk_enable(struct clk *clk)
+{
+	ctrl_outw(ctrl_inw(PA_IVDRCTL) | (1 << 8), PA_IVDRCTL);
+}
+
+static void ivdr_clk_disable(struct clk *clk)
+{
+	ctrl_outw(ctrl_inw(PA_IVDRCTL) & ~(1 << 8), PA_IVDRCTL);
+}
+
+static struct clk_ops ivdr_clk_ops = {
+	.enable		= ivdr_clk_enable,
+	.disable	= ivdr_clk_disable,
+};
+
+static struct clk ivdr_clk = {
+	.name		= "ivdr_clk",
+	.ops		= &ivdr_clk_ops,
+};
+
+static struct clk *r7780rp_clocks[] = {
+	&ivdr_clk,
+};
+
+static void r7780rp_power_off(void)
+{
+#ifdef CONFIG_SH_R7780MP
+	ctrl_outw(0x0001, PA_POFF);
+#endif
+}
+
+/*
+ * Initialize the board
+ */
+static void __init r7780rp_setup(char **cmdline_p)
+{
+	u16 ver = ctrl_inw(PA_VERREG);
+	int i;
+
+	device_initcall(r7780rp_devices_setup);
+
+	printk(KERN_INFO "Renesas Solutions Highlander R7780RP-1 support.\n");
+
+	printk(KERN_INFO "Board version: %d (revision %d), "
+			 "FPGA version: %d (revision %d)\n",
+			 (ver >> 12) & 0xf, (ver >> 8) & 0xf,
+			 (ver >>  4) & 0xf, ver & 0xf);
+
+	/*
+	 * Enable the important clocks right away..
+	 */
+	for (i = 0; i < ARRAY_SIZE(r7780rp_clocks); i++) {
+		struct clk *clk = r7780rp_clocks[i];
+
+		clk_register(clk);
+		clk_enable(clk);
+	}
+
+	ctrl_outw(0x0000, PA_OBLED);	/* Clear LED. */
+#ifndef CONFIG_SH_R7780MP
+	ctrl_outw(0x0001, PA_SDPOW);	/* SD Power ON */
+#endif
+	ctrl_outw(ctrl_inw(PA_IVDRCTL) | 0x0100, PA_IVDRCTL);	/* Si13112 */
+
+	pm_power_off = r7780rp_power_off;
+}
+
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_r7780rp __initmv = {
+	.mv_name		= "Highlander R7780RP-1",
+	.mv_setup		= r7780rp_setup,
+
+	.mv_nr_irqs		= 109,
+
+	.mv_inb			= r7780rp_inb,
+	.mv_inw			= r7780rp_inw,
+	.mv_inl			= r7780rp_inl,
+	.mv_outb		= r7780rp_outb,
+	.mv_outw		= r7780rp_outw,
+	.mv_outl		= r7780rp_outl,
+
+	.mv_inb_p		= r7780rp_inb_p,
+	.mv_inw_p		= r7780rp_inw,
+	.mv_inl_p		= r7780rp_inl,
+	.mv_outb_p		= r7780rp_outb_p,
+	.mv_outw_p		= r7780rp_outw,
+	.mv_outl_p		= r7780rp_outl,
+
+	.mv_insb		= r7780rp_insb,
+	.mv_insw		= r7780rp_insw,
+	.mv_insl		= r7780rp_insl,
+	.mv_outsb		= r7780rp_outsb,
+	.mv_outsw		= r7780rp_outsw,
+	.mv_outsl		= r7780rp_outsl,
+
+	.mv_ioport_map		= r7780rp_ioport_map,
+	.mv_init_irq		= init_r7780rp_IRQ,
+#ifdef CONFIG_HEARTBEAT
+	.mv_heartbeat		= heartbeat_r7780rp,
+#endif
+};
+ALIAS_MV(r7780rp)
diff --git a/arch/sh/boards/renesas/rts7751r2d/Kconfig b/arch/sh/boards/renesas/rts7751r2d/Kconfig
new file mode 100644
index 000000000000..7780d1fb13ff
--- /dev/null
+++ b/arch/sh/boards/renesas/rts7751r2d/Kconfig
@@ -0,0 +1,12 @@
+if SH_RTS7751R2D
+
+menu "RTS7751R2D options"
+
+config RTS7751R2D_REV11
+	bool "RTS7751R2D Rev. 1.1 board support"
+	help
+	  Selecting this option will support version rev. 1.1.
+endmenu
+
+endif
+
diff --git a/arch/sh/boards/renesas/rts7751r2d/Makefile b/arch/sh/boards/renesas/rts7751r2d/Makefile
index daa53334bdc3..686fc9ea5989 100644
--- a/arch/sh/boards/renesas/rts7751r2d/Makefile
+++ b/arch/sh/boards/renesas/rts7751r2d/Makefile
@@ -1,10 +1,6 @@
 #
 # Makefile for the RTS7751R2D specific parts of the kernel
 #
-# Note! Dependencies are done automagically by 'make dep', which also
-# removes any old dependencies. DON'T put your own dependencies here
-# unless it's something special (ie not a .c file).
-#
-
-obj-y	 := mach.o setup.o io.o irq.o led.o
 
+obj-y	 := setup.o io.o irq.o
+obj-$(CONFIG_HEARTBEAT) += led.o
diff --git a/arch/sh/boards/renesas/rts7751r2d/io.c b/arch/sh/boards/renesas/rts7751r2d/io.c
index 123abbbc91e0..135aa0b5e62d 100644
--- a/arch/sh/boards/renesas/rts7751r2d/io.c
+++ b/arch/sh/boards/renesas/rts7751r2d/io.c
@@ -1,6 +1,4 @@
 /*
- * linux/arch/sh/kernel/io_rts7751r2d.c
- *
  * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
  * Based largely on io_se.c.
  *
@@ -10,17 +8,13 @@
  * placeholder code from io_rts7751r2d.c left in with the
  * expectation of later SuperIO and PCMCIA access.
  */
-
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <asm/io.h>
+#include <linux/pci.h>
 #include <asm/rts7751r2d/rts7751r2d.h>
+#include <asm/io.h>
 #include <asm/addrspace.h>
 
-#include <linux/module.h>
-#include <linux/pci.h>
-#include "../../../drivers/pci/pci-sh7751.h"
-
 /*
  * The 7751R RTS7751R2D uses the built-in PCI controller (PCIC)
  * of the 7751R processor, and has a SuperIO accessible via the PCI.
@@ -28,22 +22,6 @@
  * like the other Solution Engine boards.
  */
 
-#define PCIIOBR		(volatile long *)PCI_REG(SH7751_PCIIOBR)
-#define PCIMBR          (volatile long *)PCI_REG(SH7751_PCIMBR)
-#define PCI_IO_AREA	SH7751_PCI_IO_BASE
-#define PCI_MEM_AREA	SH7751_PCI_CONFIG_BASE
-
-#define PCI_IOMAP(adr)	(PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK))
-
-#define maybebadio(name,port) \
-  printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \
-	 #name, (port), (__u32) __builtin_return_address(0))
-
-static inline void delay(void)
-{
-	ctrl_inw(0xa0000000);
-}
-
 static inline unsigned long port2adr(unsigned int port)
 {
 	if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6)
@@ -52,7 +30,7 @@ static inline unsigned long port2adr(unsigned int port)
 		else
 			return (PA_AREA5_IO + 0x1000 + ((port-0x1f0) << 1));
 	else
-		maybebadio(port2adr, (unsigned long)port);
+		maybebadio((unsigned long)port);
 
 	return port;
 }
@@ -81,17 +59,6 @@ static inline int shifted_port(unsigned long port)
 		return 1;
 }
 
-/* In case someone configures the kernel w/o PCI support: in that */
-/* scenario, don't ever bother to check for PCI-window addresses */
-
-/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */
-#if defined(CONFIG_PCI)
-#define CHECK_SH7751_PCIIO(port) \
-  ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE)))
-#else
-#define CHECK_SH7751_PCIIO(port) (0)
-#endif
-
 #if defined(CONFIG_NE2000) || defined(CONFIG_NE2000_MODULE)
 #define CHECK_AX88796L_PORT(port) \
   ((port >= AX88796L_IO_BASE) && (port < (AX88796L_IO_BASE+0x20)))
@@ -112,8 +79,8 @@ unsigned char rts7751r2d_inb(unsigned long port)
 		return (*(volatile unsigned short *)port88796l(port, 0)) & 0xff;
 	else if (PXSEG(port))
 		return *(volatile unsigned char *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		return *(volatile unsigned char *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return *(volatile unsigned char *)pci_ioaddr(port);
 	else
 		return (*(volatile unsigned short *)port2adr(port) & 0xff);
 }
@@ -126,11 +93,12 @@ unsigned char rts7751r2d_inb_p(unsigned long port)
 		v = (*(volatile unsigned short *)port88796l(port, 0)) & 0xff;
         else if (PXSEG(port))
 		v = *(volatile unsigned char *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		v = *(volatile unsigned char *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		v = *(volatile unsigned char *)pci_ioaddr(port);
 	else
 		v = (*(volatile unsigned short *)port2adr(port) & 0xff);
-	delay();
+
+	ctrl_delay();
 
 	return v;
 }
@@ -138,13 +106,13 @@ unsigned char rts7751r2d_inb_p(unsigned long port)
 unsigned short rts7751r2d_inw(unsigned long port)
 {
 	if (CHECK_AX88796L_PORT(port))
-		maybebadio(inw, port);
+		maybebadio(port);
         else if (PXSEG(port))
 		return *(volatile unsigned short *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		return *(volatile unsigned short *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return *(volatile unsigned short *)pci_ioaddr(port);
 	else
-		maybebadio(inw, port);
+		maybebadio(port);
 
 	return 0;
 }
@@ -152,13 +120,13 @@ unsigned short rts7751r2d_inw(unsigned long port)
 unsigned int rts7751r2d_inl(unsigned long port)
 {
 	if (CHECK_AX88796L_PORT(port))
-		maybebadio(inl, port);
+		maybebadio(port);
         else if (PXSEG(port))
 		return *(volatile unsigned long *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		return *(volatile unsigned long *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		return *(volatile unsigned long *)pci_ioaddr(port);
 	else
-		maybebadio(inl, port);
+		maybebadio(port);
 
 	return 0;
 }
@@ -169,8 +137,8 @@ void rts7751r2d_outb(unsigned char value, unsigned long port)
 		*((volatile unsigned short *)port88796l(port, 0)) = value;
         else if (PXSEG(port))
 		*(volatile unsigned char *)port = value;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		*(volatile unsigned char *)PCI_IOMAP(port) = value;
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		*(volatile unsigned char *)pci_ioaddr(port) = value;
 	else
 		*(volatile unsigned short *)port2adr(port) = value;
 }
@@ -181,143 +149,152 @@ void rts7751r2d_outb_p(unsigned char value, unsigned long port)
 		*((volatile unsigned short *)port88796l(port, 0)) = value;
         else if (PXSEG(port))
 		*(volatile unsigned char *)port = value;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		*(volatile unsigned char *)PCI_IOMAP(port) = value;
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		*(volatile unsigned char *)pci_ioaddr(port) = value;
 	else
 		*(volatile unsigned short *)port2adr(port) = value;
-	delay();
+
+	ctrl_delay();
 }
 
 void rts7751r2d_outw(unsigned short value, unsigned long port)
 {
 	if (CHECK_AX88796L_PORT(port))
-		maybebadio(outw, port);
+		maybebadio(port);
         else if (PXSEG(port))
 		*(volatile unsigned short *)port = value;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		*(volatile unsigned short *)PCI_IOMAP(port) = value;
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		*(volatile unsigned short *)pci_ioaddr(port) = value;
 	else
-		maybebadio(outw, port);
+		maybebadio(port);
 }
 
 void rts7751r2d_outl(unsigned int value, unsigned long port)
 {
 	if (CHECK_AX88796L_PORT(port))
-		maybebadio(outl, port);
+		maybebadio(port);
         else if (PXSEG(port))
 		*(volatile unsigned long *)port = value;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		*(volatile unsigned long *)PCI_IOMAP(port) = value;
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		*(volatile unsigned long *)pci_ioaddr(port) = value;
 	else
-		maybebadio(outl, port);
+		maybebadio(port);
 }
 
 void rts7751r2d_insb(unsigned long port, void *addr, unsigned long count)
 {
+	unsigned long a = (unsigned long)addr;
 	volatile __u8 *bp;
 	volatile __u16 *p;
-	unsigned char *s = addr;
 
 	if (CHECK_AX88796L_PORT(port)) {
 		p = (volatile unsigned short *)port88796l(port, 0);
-		while (count--) *s++ = *p & 0xff;
+		while (count--)
+			ctrl_outb(*p & 0xff, a++);
 	} else if (PXSEG(port))
-		while (count--) *s++ = *(volatile unsigned char *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
-		bp = (__u8 *)PCI_IOMAP(port);
-		while (count--) *s++ = *bp;
+		while (count--)
+			ctrl_outb(ctrl_inb(port), a++);
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		bp = (__u8 *)pci_ioaddr(port);
+		while (count--)
+			ctrl_outb(*bp, a++);
 	} else {
 		p = (volatile unsigned short *)port2adr(port);
-		while (count--) *s++ = *p & 0xff;
+		while (count--)
+			ctrl_outb(*p & 0xff, a++);
 	}
 }
 
 void rts7751r2d_insw(unsigned long port, void *addr, unsigned long count)
 {
+	unsigned long a = (unsigned long)addr;
 	volatile __u16 *p;
-	__u16 *s = addr;
 
 	if (CHECK_AX88796L_PORT(port))
 		p = (volatile unsigned short *)port88796l(port, 1);
 	else if (PXSEG(port))
 		p = (volatile unsigned short *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		p = (volatile unsigned short *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		p = (volatile unsigned short *)pci_ioaddr(port);
 	else
 		p = (volatile unsigned short *)port2adr(port);
-	while (count--) *s++ = *p;
+	while (count--)
+		ctrl_outw(*p, a++);
 }
 
 void rts7751r2d_insl(unsigned long port, void *addr, unsigned long count)
 {
 	if (CHECK_AX88796L_PORT(port))
-		maybebadio(insl, port);
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
-		volatile __u32 *p = (__u32 *)PCI_IOMAP(port);
-		__u32 *s = addr;
-
-		while (count--) *s++ = *p;
+		maybebadio(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		unsigned long a = (unsigned long)addr;
+
+		while (count--) {
+			ctrl_outl(ctrl_inl(pci_ioaddr(port)), a);
+			a += 4;
+		}
 	} else
-		maybebadio(insl, port);
+		maybebadio(port);
 }
 
 void rts7751r2d_outsb(unsigned long port, const void *addr, unsigned long count)
 {
+	unsigned long a = (unsigned long)addr;
 	volatile __u8 *bp;
 	volatile __u16 *p;
-	const __u8 *s = addr;
 
 	if (CHECK_AX88796L_PORT(port)) {
 		p = (volatile unsigned short *)port88796l(port, 0);
-		while (count--) *p = *s++;
+		while (count--)
+			*p = ctrl_inb(a++);
 	} else if (PXSEG(port))
-		while (count--) *(volatile unsigned char *)port = *s++;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
-		bp = (__u8 *)PCI_IOMAP(port);
-		while (count--) *bp = *s++;
+		while (count--)
+			ctrl_outb(a++, port);
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		bp = (__u8 *)pci_ioaddr(port);
+		while (count--)
+			*bp = ctrl_inb(a++);
 	} else {
 		p = (volatile unsigned short *)port2adr(port);
-		while (count--) *p = *s++;
+		while (count--)
+			*p = ctrl_inb(a++);
 	}
 }
 
 void rts7751r2d_outsw(unsigned long port, const void *addr, unsigned long count)
 {
+	unsigned long a = (unsigned long)addr;
 	volatile __u16 *p;
-	const __u16 *s = addr;
 
 	if (CHECK_AX88796L_PORT(port))
 		p = (volatile unsigned short *)port88796l(port, 1);
 	else if (PXSEG(port))
 		p = (volatile unsigned short *)port;
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port))
-		p = (volatile unsigned short *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port))
+		p = (volatile unsigned short *)pci_ioaddr(port);
 	else
 		p = (volatile unsigned short *)port2adr(port);
-	while (count--) *p = *s++;
+
+	while (count--) {
+		ctrl_outw(*p, a);
+		a += 2;
+	}
 }
 
 void rts7751r2d_outsl(unsigned long port, const void *addr, unsigned long count)
 {
 	if (CHECK_AX88796L_PORT(port))
-		maybebadio(outsl, port);
-	else if (CHECK_SH7751_PCIIO(port) || shifted_port(port)) {
-		volatile __u32 *p = (__u32 *)PCI_IOMAP(port);
-		const __u32 *s = addr;
-
-		while (count--) *p = *s++;
+		maybebadio(port);
+	else if (is_pci_ioaddr(port) || shifted_port(port)) {
+		unsigned long a = (unsigned long)addr;
+
+		while (count--) {
+			ctrl_outl(ctrl_inl(a), pci_ioaddr(port));
+			a += 4;
+		}
 	} else
-		maybebadio(outsl, port);
-}
-
-void *rts7751r2d_ioremap(unsigned long offset, unsigned long size)
-{
-	if (offset >= 0xfd000000)
-		return (void *)offset;
-	else
-		return (void *)P2SEGADDR(offset);
+		maybebadio(port);
 }
-EXPORT_SYMBOL(rts7751r2d_ioremap);
 
 unsigned long rts7751r2d_isa_port2addr(unsigned long offset)
 {
diff --git a/arch/sh/boards/renesas/rts7751r2d/irq.c b/arch/sh/boards/renesas/rts7751r2d/irq.c
index 154535440bbf..c915e7a3693a 100644
--- a/arch/sh/boards/renesas/rts7751r2d/irq.c
+++ b/arch/sh/boards/renesas/rts7751r2d/irq.c
@@ -41,30 +41,24 @@ static unsigned int startup_rts7751r2d_irq(unsigned int irq)
 
 static void disable_rts7751r2d_irq(unsigned int irq)
 {
-	unsigned long flags;
 	unsigned short val;
 	unsigned short mask = 0xffff ^ (0x0001 << mask_pos[irq]);
 
 	/* Set the priority in IPR to 0 */
-	local_irq_save(flags);
 	val = ctrl_inw(IRLCNTR1);
 	val &= mask;
 	ctrl_outw(val, IRLCNTR1);
-	local_irq_restore(flags);
 }
 
 static void enable_rts7751r2d_irq(unsigned int irq)
 {
-	unsigned long flags;
 	unsigned short val;
 	unsigned short value = (0x0001 << mask_pos[irq]);
 
 	/* Set priority in IPR back to original value */
-	local_irq_save(flags);
 	val = ctrl_inw(IRLCNTR1);
 	val |= value;
 	ctrl_outw(val, IRLCNTR1);
-	local_irq_restore(flags);
 }
 
 int rts7751r2d_irq_demux(int irq)
diff --git a/arch/sh/boards/renesas/rts7751r2d/led.c b/arch/sh/boards/renesas/rts7751r2d/led.c
index 4d16de71fac1..e14a13d12d4a 100644
--- a/arch/sh/boards/renesas/rts7751r2d/led.c
+++ b/arch/sh/boards/renesas/rts7751r2d/led.c
@@ -12,8 +12,6 @@
 #include <asm/io.h>
 #include <asm/rts7751r2d/rts7751r2d.h>
 
-extern unsigned int debug_counter;
-
 #ifdef CONFIG_HEARTBEAT
 
 #include <linux/sched.h>
@@ -55,12 +53,3 @@ void rts7751r2d_led(unsigned short value)
 	ctrl_outw(value, PA_OUTPORT);
 }
 
-void debug_led_disp(void)
-{
-	unsigned short value;
-
-	value = (unsigned short)debug_counter++;
-	rts7751r2d_led(value);
-	if (value == 0xff)
-		debug_counter = 0;
-}
diff --git a/arch/sh/boards/renesas/rts7751r2d/mach.c b/arch/sh/boards/renesas/rts7751r2d/mach.c
deleted file mode 100644
index 5ed9e97ea197..000000000000
--- a/arch/sh/boards/renesas/rts7751r2d/mach.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * linux/arch/sh/kernel/mach_rts7751r2d.c
- *
- * Minor tweak of mach_se.c file to reference rts7751r2d-specific items.
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * Machine vector for the Renesas Technology sales RTS7751R2D
- */
-
-#include <linux/init.h>
-#include <linux/types.h>
-
-#include <asm/machvec.h>
-#include <asm/rtc.h>
-#include <asm/irq.h>
-#include <asm/rts7751r2d/io.h>
-
-extern void heartbeat_rts7751r2d(void);
-extern void init_rts7751r2d_IRQ(void);
-extern void *rts7751r2d_ioremap(unsigned long, unsigned long);
-extern int rts7751r2d_irq_demux(int irq);
-
-extern void *voyagergx_consistent_alloc(struct device *, size_t, dma_addr_t *, gfp_t);
-extern int voyagergx_consistent_free(struct device *, size_t, void *, dma_addr_t);
-
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_rts7751r2d __initmv = {
-	.mv_nr_irqs		= 72,
-
-	.mv_inb			= rts7751r2d_inb,
-	.mv_inw			= rts7751r2d_inw,
-	.mv_inl			= rts7751r2d_inl,
-	.mv_outb		= rts7751r2d_outb,
-	.mv_outw		= rts7751r2d_outw,
-	.mv_outl		= rts7751r2d_outl,
-
-	.mv_inb_p		= rts7751r2d_inb_p,
-	.mv_inw_p		= rts7751r2d_inw,
-	.mv_inl_p		= rts7751r2d_inl,
-	.mv_outb_p		= rts7751r2d_outb_p,
-	.mv_outw_p		= rts7751r2d_outw,
-	.mv_outl_p		= rts7751r2d_outl,
-
-	.mv_insb		= rts7751r2d_insb,
-	.mv_insw		= rts7751r2d_insw,
-	.mv_insl		= rts7751r2d_insl,
-	.mv_outsb		= rts7751r2d_outsb,
-	.mv_outsw		= rts7751r2d_outsw,
-	.mv_outsl		= rts7751r2d_outsl,
-
-	.mv_ioremap		= rts7751r2d_ioremap,
-	.mv_isa_port2addr	= rts7751r2d_isa_port2addr,
-	.mv_init_irq		= init_rts7751r2d_IRQ,
-#ifdef CONFIG_HEARTBEAT
-	.mv_heartbeat		= heartbeat_rts7751r2d,
-#endif
-	.mv_irq_demux		= rts7751r2d_irq_demux,
-
-#ifdef CONFIG_USB_OHCI_HCD
-	.mv_consistent_alloc	= voyagergx_consistent_alloc,
-	.mv_consistent_free	= voyagergx_consistent_free,
-#endif
-};
-ALIAS_MV(rts7751r2d)
diff --git a/arch/sh/boards/renesas/rts7751r2d/setup.c b/arch/sh/boards/renesas/rts7751r2d/setup.c
index 2587fd1a0240..20597a6e6702 100644
--- a/arch/sh/boards/renesas/rts7751r2d/setup.c
+++ b/arch/sh/boards/renesas/rts7751r2d/setup.c
@@ -1,31 +1,142 @@
 /*
- * linux/arch/sh/kernel/setup_rts7751r2d.c
- *
- * Copyright (C) 2000  Kazumoto Kojima
- *
  * Renesas Technology Sales RTS7751R2D Support.
  *
- * Modified for RTS7751R2D by
- * Atom Create Engineering Co., Ltd. 2002.
+ * Copyright (C) 2002 Atom Create Engineering Co., Ltd.
+ * Copyright (C) 2004 - 2006 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
-
 #include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+#include <linux/pm.h>
 #include <asm/io.h>
-#include <asm/rts7751r2d/rts7751r2d.h>
+#include <asm/machvec.h>
+#include <asm/mach/rts7751r2d.h>
+#include <asm/voyagergx.h>
+
+extern void heartbeat_rts7751r2d(void);
+extern void init_rts7751r2d_IRQ(void);
+extern int rts7751r2d_irq_demux(int irq);
+
+extern void *voyagergx_consistent_alloc(struct device *, size_t, dma_addr_t *, gfp_t);
+extern int voyagergx_consistent_free(struct device *, size_t, void *, dma_addr_t);
+
+static struct plat_serial8250_port uart_platform_data[] = {
+	{
+		.membase	= (void *)VOYAGER_UART_BASE,
+		.mapbase	= VOYAGER_UART_BASE,
+		.iotype		= UPIO_MEM,
+		.irq		= VOYAGER_UART0_IRQ,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.regshift	= 2,
+		.uartclk	= (9600 * 16),
+	}, {
+		.flags		= 0,
+	},
+};
+
+static void __init voyagergx_serial_init(void)
+{
+	unsigned long val;
+
+	/*
+	 * GPIO Control
+	 */
+	val = inl(GPIO_MUX_HIGH);
+	val |= 0x00001fe0;
+	outl(val, GPIO_MUX_HIGH);
+
+	/*
+	 * Power Mode Gate
+	 */
+	val = inl(POWER_MODE0_GATE);
+	val |= (POWER_MODE0_GATE_U0 | POWER_MODE0_GATE_U1);
+	outl(val, POWER_MODE0_GATE);
+
+	val = inl(POWER_MODE1_GATE);
+	val |= (POWER_MODE1_GATE_U0 | POWER_MODE1_GATE_U1);
+	outl(val, POWER_MODE1_GATE);
+}
+
+static struct platform_device uart_device = {
+	.name		= "serial8250",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= uart_platform_data,
+	},
+};
+
+static struct platform_device *rts7751r2d_devices[] __initdata = {
+	&uart_device,
+};
 
-unsigned int debug_counter;
+static int __init rts7751r2d_devices_setup(void)
+{
+	return platform_add_devices(rts7751r2d_devices,
+				    ARRAY_SIZE(rts7751r2d_devices));
+}
 
-const char *get_system_type(void)
+static void rts7751r2d_power_off(void)
 {
-	return "RTS7751R2D";
+	ctrl_outw(0x0001, PA_POWOFF);
 }
 
 /*
  * Initialize the board
  */
-void __init platform_setup(void)
+static void __init rts7751r2d_setup(char **cmdline_p)
 {
-	printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
+	device_initcall(rts7751r2d_devices_setup);
+
 	ctrl_outw(0x0000, PA_OUTPORT);
-	debug_counter = 0;
+	pm_power_off = rts7751r2d_power_off;
+
+	voyagergx_serial_init();
+
+	printk(KERN_INFO "Renesas Technology Sales RTS7751R2D support.\n");
 }
+
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_rts7751r2d __initmv = {
+	.mv_name		= "RTS7751R2D",
+	.mv_setup		= rts7751r2d_setup,
+	.mv_nr_irqs		= 72,
+
+	.mv_inb			= rts7751r2d_inb,
+	.mv_inw			= rts7751r2d_inw,
+	.mv_inl			= rts7751r2d_inl,
+	.mv_outb		= rts7751r2d_outb,
+	.mv_outw		= rts7751r2d_outw,
+	.mv_outl		= rts7751r2d_outl,
+
+	.mv_inb_p		= rts7751r2d_inb_p,
+	.mv_inw_p		= rts7751r2d_inw,
+	.mv_inl_p		= rts7751r2d_inl,
+	.mv_outb_p		= rts7751r2d_outb_p,
+	.mv_outw_p		= rts7751r2d_outw,
+	.mv_outl_p		= rts7751r2d_outl,
+
+	.mv_insb		= rts7751r2d_insb,
+	.mv_insw		= rts7751r2d_insw,
+	.mv_insl		= rts7751r2d_insl,
+	.mv_outsb		= rts7751r2d_outsb,
+	.mv_outsw		= rts7751r2d_outsw,
+	.mv_outsl		= rts7751r2d_outsl,
+
+	.mv_init_irq		= init_rts7751r2d_IRQ,
+#ifdef CONFIG_HEARTBEAT
+	.mv_heartbeat		= heartbeat_rts7751r2d,
+#endif
+	.mv_irq_demux		= rts7751r2d_irq_demux,
+
+#ifdef CONFIG_USB_SM501
+	.mv_consistent_alloc	= voyagergx_consistent_alloc,
+	.mv_consistent_free	= voyagergx_consistent_free,
+#endif
+};
+ALIAS_MV(rts7751r2d)
diff --git a/arch/sh/boards/renesas/sh7710voipgw/Makefile b/arch/sh/boards/renesas/sh7710voipgw/Makefile
new file mode 100644
index 000000000000..77037567633b
--- /dev/null
+++ b/arch/sh/boards/renesas/sh7710voipgw/Makefile
@@ -0,0 +1 @@
+obj-y	 := setup.o
diff --git a/arch/sh/boards/renesas/sh7710voipgw/setup.c b/arch/sh/boards/renesas/sh7710voipgw/setup.c
new file mode 100644
index 000000000000..e57e7afab8c6
--- /dev/null
+++ b/arch/sh/boards/renesas/sh7710voipgw/setup.c
@@ -0,0 +1,109 @@
+/*
+ * Renesas Technology SH7710 VoIP Gateway
+ *
+ * Copyright (C) 2006  Ranjit Deshpande
+ * Kenati Technologies Inc.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ */
+#include <linux/init.h>
+#include <asm/machvec.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+
+/*
+ * Initialize IRQ setting
+ */
+static void __init sh7710voipgw_init_irq(void)
+{
+	/* Disable all interrupts in IPR registers */
+	ctrl_outw(0x0, INTC_IPRA);
+	ctrl_outw(0x0, INTC_IPRB);
+	ctrl_outw(0x0, INTC_IPRC);
+	ctrl_outw(0x0, INTC_IPRD);
+	ctrl_outw(0x0, INTC_IPRE);
+	ctrl_outw(0x0, INTC_IPRF);
+	ctrl_outw(0x0, INTC_IPRG);
+	ctrl_outw(0x0, INTC_IPRH);
+	ctrl_outw(0x0, INTC_IPRI);
+
+	/* Ack all interrupt sources in the IRR0 register */
+	ctrl_outb(0x3f, INTC_IRR0);
+
+	/* Use IRQ0 - IRQ3 as active low interrupt lines i.e. disable
+	 * IRL mode.
+	 */
+	ctrl_outw(0x2aa, INTC_ICR1);
+
+	/* Now make IPR interrupts */
+	make_ipr_irq(TIMER2_IRQ, TIMER2_IPR_ADDR,
+			TIMER2_IPR_POS, TIMER2_PRIORITY);
+	make_ipr_irq(WDT_IRQ, WDT_IPR_ADDR, WDT_IPR_POS, WDT_PRIORITY);
+
+	/* SCIF0 */
+	make_ipr_irq(SCIF0_ERI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS,
+			SCIF0_PRIORITY);
+	make_ipr_irq(SCIF0_RXI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS,
+			SCIF0_PRIORITY);
+	make_ipr_irq(SCIF0_BRI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS,
+			SCIF0_PRIORITY);
+	make_ipr_irq(SCIF0_TXI_IRQ, SCIF0_IPR_ADDR, SCIF0_IPR_POS,
+			SCIF0_PRIORITY);
+
+	/* DMAC-1 */
+	make_ipr_irq(DMTE0_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
+	make_ipr_irq(DMTE1_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
+	make_ipr_irq(DMTE2_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
+	make_ipr_irq(DMTE3_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
+
+	/* DMAC-2 */
+	make_ipr_irq(DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY);
+	make_ipr_irq(DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY);
+
+	/* IPSEC */
+	make_ipr_irq(IPSEC_IRQ, IPSEC_IPR_ADDR, IPSEC_IPR_POS, IPSEC_PRIORITY);
+
+	/* EDMAC */
+	make_ipr_irq(EDMAC0_IRQ, EDMAC0_IPR_ADDR, EDMAC0_IPR_POS,
+			EDMAC0_PRIORITY);
+	make_ipr_irq(EDMAC1_IRQ, EDMAC1_IPR_ADDR, EDMAC1_IPR_POS,
+			EDMAC1_PRIORITY);
+	make_ipr_irq(EDMAC2_IRQ, EDMAC2_IPR_ADDR, EDMAC2_IPR_POS,
+			EDMAC2_PRIORITY);
+
+	/* SIOF0 */
+	make_ipr_irq(SIOF0_ERI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS,
+			SIOF0_PRIORITY);
+	make_ipr_irq(SIOF0_TXI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS,
+			SIOF0_PRIORITY);
+	make_ipr_irq(SIOF0_RXI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS,
+			SIOF0_PRIORITY);
+	make_ipr_irq(SIOF0_CCI_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS,
+			SIOF0_PRIORITY);
+
+	/* SIOF1 */
+	make_ipr_irq(SIOF1_ERI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS,
+			SIOF1_PRIORITY);
+	make_ipr_irq(SIOF1_TXI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS,
+			SIOF1_PRIORITY);
+	make_ipr_irq(SIOF1_RXI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS,
+			SIOF1_PRIORITY);
+	make_ipr_irq(SIOF1_CCI_IRQ, SIOF1_IPR_ADDR, SIOF1_IPR_POS,
+			SIOF1_PRIORITY);
+
+	/* SLIC IRQ's */
+	make_ipr_irq(IRQ1_IRQ, IRQ1_IPR_ADDR, IRQ1_IPR_POS, IRQ1_PRIORITY);
+	make_ipr_irq(IRQ2_IRQ, IRQ2_IPR_ADDR, IRQ2_IPR_POS, IRQ2_PRIORITY);
+}
+
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_sh7710voipgw __initmv = {
+	.mv_name		= "SH7710 VoIP Gateway",
+	.mv_nr_irqs		= 104,
+	.mv_init_irq		= sh7710voipgw_init_irq,
+};
+ALIAS_MV(sh7710voipgw)
diff --git a/arch/sh/boards/renesas/systemh/io.c b/arch/sh/boards/renesas/systemh/io.c
index cf979011aa94..cde6e5d192c4 100644
--- a/arch/sh/boards/renesas/systemh/io.c
+++ b/arch/sh/boards/renesas/systemh/io.c
@@ -5,66 +5,25 @@
  * Based largely on io_se.c.
  *
  * I/O routine for Hitachi 7751 Systemh.
- *
  */
-
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <asm/systemh/7751systemh.h>
+#include <linux/pci.h>
+#include <asm/systemh7751.h>
 #include <asm/addrspace.h>
 #include <asm/io.h>
 
-#include <linux/pci.h>
-#include "../../drivers/pci/pci-sh7751.h"
-
-/*
- * The 7751 SystemH Engine uses the built-in PCI controller (PCIC)
- * of the 7751 processor, and has a SuperIO accessible on its memory
- * bus.
- */
-
-#define PCIIOBR		(volatile long *)PCI_REG(SH7751_PCIIOBR)
-#define PCIMBR          (volatile long *)PCI_REG(SH7751_PCIMBR)
-#define PCI_IO_AREA	SH7751_PCI_IO_BASE
-#define PCI_MEM_AREA	SH7751_PCI_CONFIG_BASE
-
-#define PCI_IOMAP(adr)	(PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK))
 #define ETHER_IOMAP(adr) (0xB3000000 + (adr)) /*map to 16bits access area
                                                 of smc lan chip*/
-
-#define maybebadio(name,port) \
-  printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \
-	 #name, (port), (__u32) __builtin_return_address(0))
-
-static inline void delay(void)
-{
-	ctrl_inw(0xa0000000);
-}
-
 static inline volatile __u16 *
 port2adr(unsigned int port)
 {
 	if (port >= 0x2000)
 		return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
-#if 0
-	else
-		return (volatile __u16 *) (PA_SUPERIO + (port << 1));
-#endif
-	maybebadio(name,(unsigned long)port);
+	maybebadio((unsigned long)port);
 	return (volatile __u16*)port;
 }
 
-/* In case someone configures the kernel w/o PCI support: in that */
-/* scenario, don't ever bother to check for PCI-window addresses */
-
-/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */
-#if defined(CONFIG_PCI)
-#define CHECK_SH7751_PCIIO(port) \
-  ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE)))
-#else
-#define CHECK_SH7751_PCIIO(port) (0)
-#endif
-
 /*
  * General outline: remap really low stuff [eventually] to SuperIO,
  * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
@@ -76,8 +35,8 @@ unsigned char sh7751systemh_inb(unsigned long port)
 {
 	if (PXSEG(port))
 		return *(volatile unsigned char *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-		return *(volatile unsigned char *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+		return *(volatile unsigned char *)pci_ioaddr(port);
 	else if (port <= 0x3F1)
 		return *(volatile unsigned char *)ETHER_IOMAP(port);
 	else
@@ -90,13 +49,13 @@ unsigned char sh7751systemh_inb_p(unsigned long port)
 
         if (PXSEG(port))
                 v = *(volatile unsigned char *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-                v = *(volatile unsigned char *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+                v = *(volatile unsigned char *)pci_ioaddr(port);
 	else if (port <= 0x3F1)
 		v = *(volatile unsigned char *)ETHER_IOMAP(port);
 	else
 		v = (*port2adr(port))&0xff;
-	delay();
+	ctrl_delay();
 	return v;
 }
 
@@ -104,14 +63,14 @@ unsigned short sh7751systemh_inw(unsigned long port)
 {
         if (PXSEG(port))
                 return *(volatile unsigned short *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-                return *(volatile unsigned short *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+                return *(volatile unsigned short *)pci_ioaddr(port);
 	else if (port >= 0x2000)
 		return *port2adr(port);
 	else if (port <= 0x3F1)
 		return *(volatile unsigned int *)ETHER_IOMAP(port);
 	else
-		maybebadio(inw, port);
+		maybebadio(port);
 	return 0;
 }
 
@@ -119,14 +78,14 @@ unsigned int sh7751systemh_inl(unsigned long port)
 {
         if (PXSEG(port))
                 return *(volatile unsigned long *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-                return *(volatile unsigned int *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+                return *(volatile unsigned int *)pci_ioaddr(port);
 	else if (port >= 0x2000)
 		return *port2adr(port);
 	else if (port <= 0x3F1)
 		return *(volatile unsigned int *)ETHER_IOMAP(port);
 	else
-		maybebadio(inl, port);
+		maybebadio(port);
 	return 0;
 }
 
@@ -135,8 +94,8 @@ void sh7751systemh_outb(unsigned char value, unsigned long port)
 
         if (PXSEG(port))
                 *(volatile unsigned char *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-        	*((unsigned char*)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned char*)pci_ioaddr(port)) = value;
 	else if (port <= 0x3F1)
 		*(volatile unsigned char *)ETHER_IOMAP(port) = value;
 	else
@@ -147,37 +106,37 @@ void sh7751systemh_outb_p(unsigned char value, unsigned long port)
 {
         if (PXSEG(port))
                 *(volatile unsigned char *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-        	*((unsigned char*)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned char*)pci_ioaddr(port)) = value;
 	else if (port <= 0x3F1)
 		*(volatile unsigned char *)ETHER_IOMAP(port) = value;
 	else
 		*(port2adr(port)) = value;
-	delay();
+	ctrl_delay();
 }
 
 void sh7751systemh_outw(unsigned short value, unsigned long port)
 {
         if (PXSEG(port))
                 *(volatile unsigned short *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-        	*((unsigned short *)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned short *)pci_ioaddr(port)) = value;
 	else if (port >= 0x2000)
 		*port2adr(port) = value;
 	else if (port <= 0x3F1)
 		*(volatile unsigned short *)ETHER_IOMAP(port) = value;
 	else
-		maybebadio(outw, port);
+		maybebadio(port);
 }
 
 void sh7751systemh_outl(unsigned int value, unsigned long port)
 {
         if (PXSEG(port))
                 *(volatile unsigned long *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-        	*((unsigned long*)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned long*)pci_ioaddr(port)) = value;
 	else
-		maybebadio(outl, port);
+		maybebadio(port);
 }
 
 void sh7751systemh_insb(unsigned long port, void *addr, unsigned long count)
@@ -194,7 +153,7 @@ void sh7751systemh_insw(unsigned long port, void *addr, unsigned long count)
 
 void sh7751systemh_insl(unsigned long port, void *addr, unsigned long count)
 {
-	maybebadio(insl, port);
+	maybebadio(port);
 }
 
 void sh7751systemh_outsb(unsigned long port, const void *addr, unsigned long count)
@@ -211,73 +170,5 @@ void sh7751systemh_outsw(unsigned long port, const void *addr, unsigned long cou
 
 void sh7751systemh_outsl(unsigned long port, const void *addr, unsigned long count)
 {
-	maybebadio(outsw, port);
-}
-
-/* For read/write calls, just copy generic (pass-thru); PCIMBR is  */
-/* already set up.  For a larger memory space, these would need to */
-/* reset PCIMBR as needed on a per-call basis...                   */
-
-unsigned char sh7751systemh_readb(unsigned long addr)
-{
-	return *(volatile unsigned char*)addr;
-}
-
-unsigned short sh7751systemh_readw(unsigned long addr)
-{
-	return *(volatile unsigned short*)addr;
-}
-
-unsigned int sh7751systemh_readl(unsigned long addr)
-{
-	return *(volatile unsigned long*)addr;
-}
-
-void sh7751systemh_writeb(unsigned char b, unsigned long addr)
-{
-	*(volatile unsigned char*)addr = b;
-}
-
-void sh7751systemh_writew(unsigned short b, unsigned long addr)
-{
-	*(volatile unsigned short*)addr = b;
-}
-
-void sh7751systemh_writel(unsigned int b, unsigned long addr)
-{
-        *(volatile unsigned long*)addr = b;
-}
-
-
-
-/* Map ISA bus address to the real address. Only for PCMCIA.  */
-
-/* ISA page descriptor.  */
-static __u32 sh_isa_memmap[256];
-
-#if 0
-static int
-sh_isa_mmap(__u32 start, __u32 length, __u32 offset)
-{
-	int idx;
-
-	if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000))
-		return -1;
-
-	idx = start >> 12;
-	sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff);
-	printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n",
-	       start, length, offset, idx, sh_isa_memmap[idx]);
-	return 0;
-}
-#endif
-
-unsigned long
-sh7751systemh_isa_port2addr(unsigned long offset)
-{
-	int idx;
-
-	idx = (offset >> 12) & 0xff;
-	offset &= 0xfff;
-	return sh_isa_memmap[idx] + offset;
+	maybebadio(port);
 }
diff --git a/arch/sh/boards/renesas/systemh/irq.c b/arch/sh/boards/renesas/systemh/irq.c
index 8372d967f601..8d016dae2333 100644
--- a/arch/sh/boards/renesas/systemh/irq.c
+++ b/arch/sh/boards/renesas/systemh/irq.c
@@ -15,7 +15,7 @@
 #include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <asm/io.h>
-#include <asm/mach/7751systemh.h>
+#include <asm/systemh7751.h>
 #include <asm/smc37c93x.h>
 
 /* address of external interrupt mask register
@@ -57,12 +57,9 @@ static void shutdown_systemh_irq(unsigned int irq)
 static void disable_systemh_irq(unsigned int irq)
 {
 	if (systemh_irq_mask_register) {
-		unsigned long flags;
 		unsigned long val, mask = 0x01 << 1;
 
 		/* Clear the "irq"th bit in the mask and set it in the request */
-		local_irq_save(flags);
-
 		val = ctrl_inl((unsigned long)systemh_irq_mask_register);
 		val &= ~mask;
 		ctrl_outl(val, (unsigned long)systemh_irq_mask_register);
@@ -70,23 +67,18 @@ static void disable_systemh_irq(unsigned int irq)
 		val = ctrl_inl((unsigned long)systemh_irq_request_register);
 		val |= mask;
 		ctrl_outl(val, (unsigned long)systemh_irq_request_register);
-
-		local_irq_restore(flags);
 	}
 }
 
 static void enable_systemh_irq(unsigned int irq)
 {
 	if (systemh_irq_mask_register) {
-		unsigned long flags;
 		unsigned long val, mask = 0x01 << 1;
 
 		/* Set "irq"th bit in the mask register */
-		local_irq_save(flags);
 		val = ctrl_inl((unsigned long)systemh_irq_mask_register);
 		val |= mask;
 		ctrl_outl(val, (unsigned long)systemh_irq_mask_register);
-		local_irq_restore(flags);
 	}
 }
 
diff --git a/arch/sh/boards/renesas/systemh/setup.c b/arch/sh/boards/renesas/systemh/setup.c
index 826fa3d7669c..a8467bf90c25 100644
--- a/arch/sh/boards/renesas/systemh/setup.c
+++ b/arch/sh/boards/renesas/systemh/setup.c
@@ -15,28 +15,21 @@
  * for more details.
  */
 #include <linux/init.h>
-#include <asm/mach/7751systemh.h>
-#include <asm/mach/io.h>
 #include <asm/machvec.h>
+#include <asm/systemh7751.h>
 
 extern void make_systemh_irq(unsigned int irq);
 
-const char *get_system_type(void)
-{
-	return "7751 SystemH";
-}
-
 /*
  * Initialize IRQ setting
  */
-void __init init_7751systemh_IRQ(void)
+static void __init sh7751systemh_init_irq(void)
 {
-/*  	make_ipr_irq(10, BCR_ILCRD, 1, 0x0f-10); LAN */
-/*  	make_ipr_irq(14, BCR_ILCRA, 2, 0x0f-4); */
 	make_systemh_irq(0xb);	/* Ethernet interrupt */
 }
 
 struct sh_machine_vector mv_7751systemh __initmv = {
+	.mv_name		= "7751 SystemH",
 	.mv_nr_irqs		= 72,
 
 	.mv_inb			= sh7751systemh_inb,
@@ -60,21 +53,6 @@ struct sh_machine_vector mv_7751systemh __initmv = {
 	.mv_outsw		= sh7751systemh_outsw,
 	.mv_outsl		= sh7751systemh_outsl,
 
-	.mv_readb		= sh7751systemh_readb,
-	.mv_readw		= sh7751systemh_readw,
-	.mv_readl		= sh7751systemh_readl,
-	.mv_writeb		= sh7751systemh_writeb,
-	.mv_writew		= sh7751systemh_writew,
-	.mv_writel		= sh7751systemh_writel,
-
-	.mv_isa_port2addr	= sh7751systemh_isa_port2addr,
-
-	.mv_init_irq		= init_7751systemh_IRQ,
+	.mv_init_irq		= sh7751system_init_irq,
 };
 ALIAS_MV(7751systemh)
-
-int __init platform_setup(void)
-{
-	return 0;
-}
-
diff --git a/arch/sh/boards/saturn/setup.c b/arch/sh/boards/saturn/setup.c
index bea6c572ad82..a3a37c9aad2e 100644
--- a/arch/sh/boards/saturn/setup.c
+++ b/arch/sh/boards/saturn/setup.c
@@ -9,22 +9,17 @@
  */
 #include <linux/kernel.h>
 #include <linux/init.h>
-
 #include <asm/io.h>
 #include <asm/machvec.h>
 #include <asm/mach/io.h>
 
 extern int saturn_irq_demux(int irq_nr);
 
-const char *get_system_type(void)
-{
-	return "Sega Saturn";
-}
-
 /*
  * The Machine Vector
  */
 struct sh_machine_vector mv_saturn __initmv = {
+	.mv_name		= "Sega Saturn",
 	.mv_nr_irqs		= 80,	/* Fix this later */
 
 	.mv_isa_port2addr	= saturn_isa_port2addr,
@@ -33,11 +28,4 @@ struct sh_machine_vector mv_saturn __initmv = {
 	.mv_ioremap		= saturn_ioremap,
 	.mv_iounmap		= saturn_iounmap,
 };
-
 ALIAS_MV(saturn)
-
-int __init platform_setup(void)
-{
-	return 0;
-}
-
diff --git a/arch/sh/boards/se/7300/io.c b/arch/sh/boards/se/7300/io.c
index f449a94ddffd..8a03d7a52a7c 100644
--- a/arch/sh/boards/se/7300/io.c
+++ b/arch/sh/boards/se/7300/io.c
@@ -9,8 +9,8 @@
  */
 
 #include <linux/kernel.h>
-#include <asm/mach/se7300.h>
 #include <asm/io.h>
+#include <asm/se7300.h>
 
 #define badio(fn, a) panic("bad i/o operation %s for %08lx.", #fn, a)
 
@@ -99,6 +99,7 @@ bad_outb(struct iop *p, unsigned char value, unsigned long port)
 	badio(inw, port);
 }
 
+#ifdef CONFIG_SMC91X
 /* MSTLANEX01 LAN at 0xb400:0000 */
 static struct iop laniop = {
 	.start = 0x300,
@@ -110,6 +111,7 @@ static struct iop laniop = {
 	.outb = simple_outb,
 	.outw = simple_outw,
 };
+#endif
 
 /* NE2000 pc card NIC */
 static struct iop neiop = {
@@ -123,6 +125,7 @@ static struct iop neiop = {
 	.outw = simple_outw,
 };
 
+#ifdef CONFIG_IDE
 /* CF in CF slot */
 static struct iop cfiop = {
 	.base = 0xb0600000,
@@ -132,12 +135,13 @@ static struct iop cfiop = {
 	.outb = pcc_outb,
 	.outw = simple_outw,
 };
+#endif
 
 static __inline__ struct iop *
 port2iop(unsigned long port)
 {
 	if (0) ;
-#if defined(CONFIG_SMC91111)
+#if defined(CONFIG_SMC91X)
 	else if (laniop.check(&laniop, port))
 		return &laniop;
 #endif
diff --git a/arch/sh/boards/se/7300/irq.c b/arch/sh/boards/se/7300/irq.c
index 216a78d1a108..ad1034f98a29 100644
--- a/arch/sh/boards/se/7300/irq.c
+++ b/arch/sh/boards/se/7300/irq.c
@@ -11,7 +11,7 @@
 #include <linux/irq.h>
 #include <asm/irq.h>
 #include <asm/io.h>
-#include <asm/mach/se7300.h>
+#include <asm/se7300.h>
 
 /*
  * Initialize IRQ setting
diff --git a/arch/sh/boards/se/7300/led.c b/arch/sh/boards/se/7300/led.c
index ad51f0a9c1e3..4d03bb7774be 100644
--- a/arch/sh/boards/se/7300/led.c
+++ b/arch/sh/boards/se/7300/led.c
@@ -12,24 +12,10 @@
  */
 
 #include <linux/sched.h>
-#include <asm/mach/se7300.h>
-
-static void
-mach_led(int position, int value)
-{
-	volatile unsigned short *p = (volatile unsigned short *) PA_LED;
-
-	if (value) {
-		*p |= (1 << 8);
-	} else {
-		*p &= ~(1 << 8);
-	}
-}
-
+#include <asm/se7300.h>
 
 /* Cycle the LED's in the clasic Knightrider/Sun pattern */
-void
-heartbeat_7300se(void)
+void heartbeat_7300se(void)
 {
 	static unsigned int cnt = 0, period = 0;
 	volatile unsigned short *p = (volatile unsigned short *) PA_LED;
diff --git a/arch/sh/boards/se/7300/setup.c b/arch/sh/boards/se/7300/setup.c
index ebcd98d4c081..6f082a722d42 100644
--- a/arch/sh/boards/se/7300/setup.c
+++ b/arch/sh/boards/se/7300/setup.c
@@ -9,23 +9,16 @@
 
 #include <linux/init.h>
 #include <asm/machvec.h>
-#include <asm/machvec_init.h>
-#include <asm/mach/io.h>
+#include <asm/se7300.h>
 
 void heartbeat_7300se(void);
 void init_7300se_IRQ(void);
 
-const char *
-get_system_type(void)
-{
-	return "SolutionEngine 7300";
-}
-
 /*
  * The Machine Vector
  */
-
 struct sh_machine_vector mv_7300se __initmv = {
+	.mv_name = "SolutionEngine 7300",
 	.mv_nr_irqs = 109,
 	.mv_inb = sh7300se_inb,
 	.mv_inw = sh7300se_inw,
@@ -53,13 +46,4 @@ struct sh_machine_vector mv_7300se __initmv = {
 	.mv_heartbeat = heartbeat_7300se,
 #endif
 };
-
 ALIAS_MV(7300se)
-/*
- * Initialize the board
- */
-void __init
-platform_setup(void)
-{
-
-}
diff --git a/arch/sh/boards/se/73180/io.c b/arch/sh/boards/se/73180/io.c
index 755df5ac4a4e..72715575458b 100644
--- a/arch/sh/boards/se/73180/io.c
+++ b/arch/sh/boards/se/73180/io.c
@@ -99,6 +99,7 @@ bad_outb(struct iop *p, unsigned char value, unsigned long port)
 	badio(inw, port);
 }
 
+#ifdef CONFIG_SMC91X
 /* MSTLANEX01 LAN at 0xb400:0000 */
 static struct iop laniop = {
 	.start = 0x300,
@@ -110,6 +111,7 @@ static struct iop laniop = {
 	.outb = simple_outb,
 	.outw = simple_outw,
 };
+#endif
 
 /* NE2000 pc card NIC */
 static struct iop neiop = {
@@ -123,6 +125,7 @@ static struct iop neiop = {
 	.outw = simple_outw,
 };
 
+#ifdef CONFIG_IDE
 /* CF in CF slot */
 static struct iop cfiop = {
 	.base = 0xb0600000,
@@ -132,12 +135,13 @@ static struct iop cfiop = {
 	.outb = pcc_outb,
 	.outw = simple_outw,
 };
+#endif
 
 static __inline__ struct iop *
 port2iop(unsigned long port)
 {
 	if (0) ;
-#if defined(CONFIG_SMC91111)
+#if defined(CONFIG_SMC91X)
 	else if (laniop.check(&laniop, port))
 		return &laniop;
 #endif
diff --git a/arch/sh/boards/se/73180/irq.c b/arch/sh/boards/se/73180/irq.c
index 4344d0ef24aa..2c62b8ea350e 100644
--- a/arch/sh/boards/se/73180/irq.c
+++ b/arch/sh/boards/se/73180/irq.c
@@ -7,7 +7,6 @@
  * Modified for SH-Mobile SolutionEngine 73180 Support
  *              by YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp>
  *
- *
  */
 
 #include <linux/init.h>
@@ -17,14 +16,6 @@
 #include <asm/mach/se73180.h>
 
 static int
-intreq2irq(int i)
-{
-	if (i == 5)
-		return 10;
-	return 32 + 7 - i;
-}
-
-static int
 irq2intreq(int irq)
 {
 	if (irq == 10)
diff --git a/arch/sh/boards/se/73180/led.c b/arch/sh/boards/se/73180/led.c
index 610439fde6ee..4b72e9a3ead9 100644
--- a/arch/sh/boards/se/73180/led.c
+++ b/arch/sh/boards/se/73180/led.c
@@ -14,21 +14,8 @@
 #include <linux/sched.h>
 #include <asm/mach/se73180.h>
 
-static void
-mach_led(int position, int value)
-{
-	volatile unsigned short *p = (volatile unsigned short *) PA_LED;
-
-	if (value) {
-		*p |= (1 << LED_SHIFT);
-	} else {
-		*p &= ~(1 << LED_SHIFT);
-	}
-}
-
 /* Cycle the LED's in the clasic Knightrider/Sun pattern */
-void
-heartbeat_73180se(void)
+void heartbeat_73180se(void)
 {
 	static unsigned int cnt = 0, period = 0;
 	volatile unsigned short *p = (volatile unsigned short *) PA_LED;
diff --git a/arch/sh/boards/se/73180/setup.c b/arch/sh/boards/se/73180/setup.c
index cdb7b5f8d942..b38ef50a160a 100644
--- a/arch/sh/boards/se/73180/setup.c
+++ b/arch/sh/boards/se/73180/setup.c
@@ -11,23 +11,17 @@
 
 #include <linux/init.h>
 #include <asm/machvec.h>
-#include <asm/machvec_init.h>
-#include <asm/mach/io.h>
+#include <asm/se73180.h>
+#include <asm/irq.h>
 
 void heartbeat_73180se(void);
 void init_73180se_IRQ(void);
 
-const char *
-get_system_type(void)
-{
-	return "SolutionEngine 73180";
-}
-
 /*
  * The Machine Vector
  */
-
 struct sh_machine_vector mv_73180se __initmv = {
+	.mv_name = "SolutionEngine 73180",
 	.mv_nr_irqs = 108,
 	.mv_inb = sh73180se_inb,
 	.mv_inw = sh73180se_inw,
@@ -51,17 +45,9 @@ struct sh_machine_vector mv_73180se __initmv = {
 	.mv_outsl = sh73180se_outsl,
 
 	.mv_init_irq = init_73180se_IRQ,
+	.mv_irq_demux = shmse_irq_demux,
 #ifdef CONFIG_HEARTBEAT
 	.mv_heartbeat = heartbeat_73180se,
 #endif
 };
-
 ALIAS_MV(73180se)
-/*
- * Initialize the board
- */
-void __init
-platform_setup(void)
-{
-
-}
diff --git a/arch/sh/boards/se/7343/Makefile b/arch/sh/boards/se/7343/Makefile
new file mode 100644
index 000000000000..4291069c0b4f
--- /dev/null
+++ b/arch/sh/boards/se/7343/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for the 7343 SolutionEngine specific parts of the kernel
+#
+
+obj-y	 := setup.o io.o irq.o
+
+obj-$(CONFIG_HEARTBEAT) += led.o
diff --git a/arch/sh/boards/se/7343/io.c b/arch/sh/boards/se/7343/io.c
new file mode 100644
index 000000000000..646661a146ad
--- /dev/null
+++ b/arch/sh/boards/se/7343/io.c
@@ -0,0 +1,275 @@
+/*
+ * arch/sh/boards/se/7343/io.c
+ *
+ * I/O routine for SH-Mobile3AS 7343 SolutionEngine.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <asm/io.h>
+#include <asm/mach/se7343.h>
+
+#define badio(fn, a) panic("bad i/o operation %s for %08lx.", #fn, a)
+
+struct iop {
+	unsigned long start, end;
+	unsigned long base;
+	struct iop *(*check) (struct iop * p, unsigned long port);
+	unsigned char (*inb) (struct iop * p, unsigned long port);
+	unsigned short (*inw) (struct iop * p, unsigned long port);
+	void (*outb) (struct iop * p, unsigned char value, unsigned long port);
+	void (*outw) (struct iop * p, unsigned short value, unsigned long port);
+};
+
+struct iop *
+simple_check(struct iop *p, unsigned long port)
+{
+	static int count;
+
+	if (count < 100)
+		count++;
+
+	port &= 0xFFFF;
+
+	if ((p->start <= port) && (port <= p->end))
+		return p;
+	else
+		badio(check, port);
+}
+
+struct iop *
+ide_check(struct iop *p, unsigned long port)
+{
+	if (((0x1f0 <= port) && (port <= 0x1f7)) || (port == 0x3f7))
+		return p;
+	return NULL;
+}
+
+unsigned char
+simple_inb(struct iop *p, unsigned long port)
+{
+	return *(unsigned char *) (p->base + port);
+}
+
+unsigned short
+simple_inw(struct iop *p, unsigned long port)
+{
+	return *(unsigned short *) (p->base + port);
+}
+
+void
+simple_outb(struct iop *p, unsigned char value, unsigned long port)
+{
+	*(unsigned char *) (p->base + port) = value;
+}
+
+void
+simple_outw(struct iop *p, unsigned short value, unsigned long port)
+{
+	*(unsigned short *) (p->base + port) = value;
+}
+
+unsigned char
+pcc_inb(struct iop *p, unsigned long port)
+{
+	unsigned long addr = p->base + port + 0x40000;
+	unsigned long v;
+
+	if (port & 1)
+		addr += 0x00400000;
+	v = *(volatile unsigned char *) addr;
+	return v;
+}
+
+void
+pcc_outb(struct iop *p, unsigned char value, unsigned long port)
+{
+	unsigned long addr = p->base + port + 0x40000;
+
+	if (port & 1)
+		addr += 0x00400000;
+	*(volatile unsigned char *) addr = value;
+}
+
+unsigned char
+bad_inb(struct iop *p, unsigned long port)
+{
+	badio(inb, port);
+}
+
+void
+bad_outb(struct iop *p, unsigned char value, unsigned long port)
+{
+	badio(inw, port);
+}
+
+#ifdef CONFIG_SMC91X
+/* MSTLANEX01 LAN at 0xb400:0000 */
+static struct iop laniop = {
+	.start = 0x00,
+	.end = 0x0F,
+	.base = 0x04000000,
+	.check = simple_check,
+	.inb = simple_inb,
+	.inw = simple_inw,
+	.outb = simple_outb,
+	.outw = simple_outw,
+};
+#endif
+
+#ifdef CONFIG_NE2000
+/* NE2000 pc card NIC */
+static struct iop neiop = {
+	.start = 0x280,
+	.end = 0x29f,
+	.base = 0xb0600000 + 0x80,	/* soft 0x280 -> hard 0x300 */
+	.check = simple_check,
+	.inb = pcc_inb,
+	.inw = simple_inw,
+	.outb = pcc_outb,
+	.outw = simple_outw,
+};
+#endif
+
+#ifdef CONFIG_IDE
+/* CF in CF slot */
+static struct iop cfiop = {
+	.base = 0xb0600000,
+	.check = ide_check,
+	.inb = pcc_inb,
+	.inw = simple_inw,
+	.outb = pcc_outb,
+	.outw = simple_outw,
+};
+#endif
+
+static __inline__ struct iop *
+port2iop(unsigned long port)
+{
+	if (0) ;
+#if defined(CONFIG_SMC91X)
+	else if (laniop.check(&laniop, port))
+		return &laniop;
+#endif
+#if defined(CONFIG_NE2000)
+	else if (neiop.check(&neiop, port))
+		return &neiop;
+#endif
+#if defined(CONFIG_IDE)
+	else if (cfiop.check(&cfiop, port))
+		return &cfiop;
+#endif
+	else
+		return NULL;
+}
+
+static inline void
+delay(void)
+{
+	ctrl_inw(0xac000000);
+	ctrl_inw(0xac000000);
+}
+
+unsigned char
+sh7343se_inb(unsigned long port)
+{
+	struct iop *p = port2iop(port);
+	return (p->inb) (p, port);
+}
+
+unsigned char
+sh7343se_inb_p(unsigned long port)
+{
+	unsigned char v = sh7343se_inb(port);
+	delay();
+	return v;
+}
+
+unsigned short
+sh7343se_inw(unsigned long port)
+{
+	struct iop *p = port2iop(port);
+	return (p->inw) (p, port);
+}
+
+unsigned int
+sh7343se_inl(unsigned long port)
+{
+	badio(inl, port);
+}
+
+void
+sh7343se_outb(unsigned char value, unsigned long port)
+{
+	struct iop *p = port2iop(port);
+	(p->outb) (p, value, port);
+}
+
+void
+sh7343se_outb_p(unsigned char value, unsigned long port)
+{
+	sh7343se_outb(value, port);
+	delay();
+}
+
+void
+sh7343se_outw(unsigned short value, unsigned long port)
+{
+	struct iop *p = port2iop(port);
+	(p->outw) (p, value, port);
+}
+
+void
+sh7343se_outl(unsigned int value, unsigned long port)
+{
+	badio(outl, port);
+}
+
+void
+sh7343se_insb(unsigned long port, void *addr, unsigned long count)
+{
+	unsigned char *a = addr;
+	struct iop *p = port2iop(port);
+	while (count--)
+		*a++ = (p->inb) (p, port);
+}
+
+void
+sh7343se_insw(unsigned long port, void *addr, unsigned long count)
+{
+	unsigned short *a = addr;
+	struct iop *p = port2iop(port);
+	while (count--)
+		*a++ = (p->inw) (p, port);
+}
+
+void
+sh7343se_insl(unsigned long port, void *addr, unsigned long count)
+{
+	badio(insl, port);
+}
+
+void
+sh7343se_outsb(unsigned long port, const void *addr, unsigned long count)
+{
+	unsigned char *a = (unsigned char *) addr;
+	struct iop *p = port2iop(port);
+	while (count--)
+		(p->outb) (p, *a++, port);
+}
+
+void
+sh7343se_outsw(unsigned long port, const void *addr, unsigned long count)
+{
+	unsigned short *a = (unsigned short *) addr;
+	struct iop *p = port2iop(port);
+	while (count--)
+		(p->outw) (p, *a++, port);
+}
+
+void
+sh7343se_outsl(unsigned long port, const void *addr, unsigned long count)
+{
+	badio(outsw, port);
+}
diff --git a/arch/sh/boards/se/7343/irq.c b/arch/sh/boards/se/7343/irq.c
new file mode 100644
index 000000000000..b41e3d4ea37c
--- /dev/null
+++ b/arch/sh/boards/se/7343/irq.c
@@ -0,0 +1,193 @@
+/*
+ * arch/sh/boards/se/7343/irq.c
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/mach/se7343.h>
+
+static void
+disable_intreq_irq(unsigned int irq)
+{
+	int bit = irq - OFFCHIP_IRQ_BASE;
+	u16 val;
+
+	val = ctrl_inw(PA_CPLD_IMSK);
+	val |= 1 << bit;
+	ctrl_outw(val, PA_CPLD_IMSK);
+}
+
+static void
+enable_intreq_irq(unsigned int irq)
+{
+	int bit = irq - OFFCHIP_IRQ_BASE;
+	u16 val;
+
+	val = ctrl_inw(PA_CPLD_IMSK);
+	val &= ~(1 << bit);
+	ctrl_outw(val, PA_CPLD_IMSK);
+}
+
+static void
+mask_and_ack_intreq_irq(unsigned int irq)
+{
+	disable_intreq_irq(irq);
+}
+
+static unsigned int
+startup_intreq_irq(unsigned int irq)
+{
+	enable_intreq_irq(irq);
+	return 0;
+}
+
+static void
+shutdown_intreq_irq(unsigned int irq)
+{
+	disable_intreq_irq(irq);
+}
+
+static void
+end_intreq_irq(unsigned int irq)
+{
+	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+		enable_intreq_irq(irq);
+}
+
+static struct hw_interrupt_type intreq_irq_type = {
+	.typename = "FPGA-IRQ",
+	.startup = startup_intreq_irq,
+	.shutdown = shutdown_intreq_irq,
+	.enable = enable_intreq_irq,
+	.disable = disable_intreq_irq,
+	.ack = mask_and_ack_intreq_irq,
+	.end = end_intreq_irq
+};
+
+static void
+make_intreq_irq(unsigned int irq)
+{
+	disable_irq_nosync(irq);
+	irq_desc[irq].handler = &intreq_irq_type;
+	disable_intreq_irq(irq);
+}
+
+int
+shmse_irq_demux(int irq)
+{
+	int bit;
+	volatile u16 val;
+
+	if (irq == IRQ5_IRQ) {
+		/* Read status Register */
+		val = ctrl_inw(PA_CPLD_ST);
+		bit = ffs(val);
+		if (bit != 0)
+			return OFFCHIP_IRQ_BASE + bit - 1;
+	}
+	return irq;
+}
+
+/* IRQ5 is multiplexed between the following sources:
+ * 1. PC Card socket
+ * 2. Extension slot
+ * 3. USB Controller
+ * 4. Serial Controller
+ *
+ * We configure IRQ5 as a cascade IRQ.
+ */
+static struct irqaction irq5 = { no_action, 0, CPU_MASK_NONE, "IRQ5-cascade",
+				NULL, NULL};
+
+/*
+ * Initialize IRQ setting
+ */
+void __init
+init_7343se_IRQ(void)
+{
+	/* Setup Multiplexed interrupts */
+	ctrl_outw(8, PA_CPLD_MODESET);	/* Set all CPLD interrupts to active
+					 * low.
+					 */
+	/* Mask all CPLD controller interrupts */
+	ctrl_outw(0x0fff, PA_CPLD_IMSK);
+
+	/* PC Card interrupts */
+	make_intreq_irq(PC_IRQ0);
+	make_intreq_irq(PC_IRQ1);
+	make_intreq_irq(PC_IRQ2);
+	make_intreq_irq(PC_IRQ3);
+
+	/* Extension Slot Interrupts */
+	make_intreq_irq(EXT_IRQ0);
+	make_intreq_irq(EXT_IRQ1);
+	make_intreq_irq(EXT_IRQ2);
+	make_intreq_irq(EXT_IRQ3);
+
+	/* USB Controller interrupts */
+	make_intreq_irq(USB_IRQ0);
+	make_intreq_irq(USB_IRQ1);
+
+	/* Serial Controller interrupts */
+	make_intreq_irq(UART_IRQ0);
+	make_intreq_irq(UART_IRQ1);
+
+	/* Setup all external interrupts to be active low */
+	ctrl_outw(0xaaaa, INTC_ICR1);
+
+	make_ipr_irq(IRQ5_IRQ, IRQ5_IPR_ADDR+2, IRQ5_IPR_POS, IRQ5_PRIORITY);
+	setup_irq(IRQ5_IRQ, &irq5);
+	/* Set port control to use IRQ5 */
+	*(u16 *)0xA4050108 &= ~0xc;
+
+	make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY);
+	make_ipr_irq(VPU_IRQ, VPU_IPR_ADDR, VPU_IPR_POS, 8);
+
+	ctrl_outb(0x0f, INTC_IMCR5);	/* enable SCIF IRQ */
+
+	make_ipr_irq(DMTE0_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY);
+	make_ipr_irq(DMTE1_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY);
+	make_ipr_irq(DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY);
+	make_ipr_irq(DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY);
+	make_ipr_irq(DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY);
+	make_ipr_irq(DMTE5_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY);
+
+	/* I2C block */
+	make_ipr_irq(IIC0_ALI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY);
+	make_ipr_irq(IIC0_TACKI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS,
+		     IIC0_PRIORITY);
+	make_ipr_irq(IIC0_WAITI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS,
+		     IIC0_PRIORITY);
+	make_ipr_irq(IIC0_DTEI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY);
+
+	make_ipr_irq(IIC1_ALI_IRQ, IIC1_IPR_ADDR, IIC1_IPR_POS, IIC1_PRIORITY);
+	make_ipr_irq(IIC1_TACKI_IRQ, IIC1_IPR_ADDR, IIC1_IPR_POS,
+		     IIC1_PRIORITY);
+	make_ipr_irq(IIC1_WAITI_IRQ, IIC1_IPR_ADDR, IIC1_IPR_POS,
+		     IIC1_PRIORITY);
+	make_ipr_irq(IIC1_DTEI_IRQ, IIC1_IPR_ADDR, IIC1_IPR_POS, IIC1_PRIORITY);
+
+	/* SIOF */
+	make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY);
+
+	/* SIU */
+	make_ipr_irq(SIU_IRQ, SIU_IPR_ADDR, SIU_IPR_POS, SIU_PRIORITY);
+
+	/* VIO interrupt */
+	make_ipr_irq(CEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
+	make_ipr_irq(BEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
+	make_ipr_irq(VEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
+
+	/*MFI interrupt*/
+
+	make_ipr_irq(MFI_IRQ, MFI_IPR_ADDR, MFI_IPR_POS, MFI_PRIORITY);
+
+	/* LCD controller */
+	make_ipr_irq(LCDC_IRQ, LCDC_IPR_ADDR, LCDC_IPR_POS, LCDC_PRIORITY);
+	ctrl_outw(0x2000, PA_MRSHPC + 0x0c);	/* mrshpc irq enable */
+}
diff --git a/arch/sh/boards/se/7343/led.c b/arch/sh/boards/se/7343/led.c
new file mode 100644
index 000000000000..6a439cf83e46
--- /dev/null
+++ b/arch/sh/boards/se/7343/led.c
@@ -0,0 +1,46 @@
+/*
+ * arch/sh/boards/se/7343/led.c
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/sched.h>
+#include <asm/mach/se7343.h>
+
+/* Cycle the LED's in the clasic Knightrider/Sun pattern */
+void heartbeat_7343se(void)
+{
+	static unsigned int cnt = 0, period = 0;
+	volatile unsigned short *p = (volatile unsigned short *) PA_LED;
+	static unsigned bit = 0, up = 1;
+
+	cnt += 1;
+	if (cnt < period) {
+		return;
+	}
+
+	cnt = 0;
+
+	/* Go through the points (roughly!):
+	 * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110
+	 */
+	period = 110 - ((300 << FSHIFT) / ((avenrun[0] / 5) + (3 << FSHIFT)));
+
+	if (up) {
+		if (bit == 7) {
+			bit--;
+			up = 0;
+		} else {
+			bit++;
+		}
+	} else {
+		if (bit == 0) {
+			bit++;
+			up = 1;
+		} else {
+			bit--;
+		}
+	}
+	*p = 1 << (bit + LED_SHIFT);
+
+}
diff --git a/arch/sh/boards/se/7343/setup.c b/arch/sh/boards/se/7343/setup.c
new file mode 100644
index 000000000000..787322291fb3
--- /dev/null
+++ b/arch/sh/boards/se/7343/setup.c
@@ -0,0 +1,84 @@
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <asm/machvec.h>
+#include <asm/mach/se7343.h>
+#include <asm/irq.h>
+
+void heartbeat_7343se(void);
+void init_7343se_IRQ(void);
+
+static struct resource smc91x_resources[] = {
+	[0] = {
+		.start	= 0x10000000,
+		.end	= 0x1000000F,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		/*
+		 * shared with other devices via externel
+		 * interrupt controller in FPGA...
+		 */
+		.start	= EXT_IRQ2,
+		.end	= EXT_IRQ2,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device smc91x_device = {
+	.name		= "smc91x",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(smc91x_resources),
+	.resource	= smc91x_resources,
+};
+
+static struct platform_device *smc91x_platform_devices[] __initdata = {
+	&smc91x_device,
+};
+
+static int __init sh7343se_devices_setup(void)
+{
+	return platform_add_devices(smc91x_platform_devices,
+				    ARRAY_SIZE(smc91x_platform_devices));
+}
+
+static void __init sh7343se_setup(char **cmdline_p)
+{
+	device_initcall(sh7343se_devices_setup);
+}
+
+/*
+ * The Machine Vector
+ */
+struct sh_machine_vector mv_7343se __initmv = {
+	.mv_name = "SolutionEngine 7343",
+	.mv_setup = sh7343se_setup,
+	.mv_nr_irqs = 108,
+	.mv_inb = sh7343se_inb,
+	.mv_inw = sh7343se_inw,
+	.mv_inl = sh7343se_inl,
+	.mv_outb = sh7343se_outb,
+	.mv_outw = sh7343se_outw,
+	.mv_outl = sh7343se_outl,
+
+	.mv_inb_p = sh7343se_inb_p,
+	.mv_inw_p = sh7343se_inw,
+	.mv_inl_p = sh7343se_inl,
+	.mv_outb_p = sh7343se_outb_p,
+	.mv_outw_p = sh7343se_outw,
+	.mv_outl_p = sh7343se_outl,
+
+	.mv_insb = sh7343se_insb,
+	.mv_insw = sh7343se_insw,
+	.mv_insl = sh7343se_insl,
+	.mv_outsb = sh7343se_outsb,
+	.mv_outsw = sh7343se_outsw,
+	.mv_outsl = sh7343se_outsl,
+
+	.mv_init_irq = init_7343se_IRQ,
+	.mv_irq_demux = shmse_irq_demux,
+#ifdef CONFIG_HEARTBEAT
+	.mv_heartbeat = heartbeat_7343se,
+#endif
+};
+ALIAS_MV(7343se)
diff --git a/arch/sh/boards/se/770x/Makefile b/arch/sh/boards/se/770x/Makefile
index be89a73cc418..9a5035f80ec0 100644
--- a/arch/sh/boards/se/770x/Makefile
+++ b/arch/sh/boards/se/770x/Makefile
@@ -2,5 +2,5 @@
 # Makefile for the 770x SolutionEngine specific parts of the kernel
 #
 
-obj-y	 := mach.o setup.o io.o irq.o led.o
-
+obj-y	 := setup.o io.o irq.o
+obj-$(CONFIG_HEARTBEAT) += led.o
diff --git a/arch/sh/boards/se/770x/io.c b/arch/sh/boards/se/770x/io.c
index 9a39ee963143..9941949331ab 100644
--- a/arch/sh/boards/se/770x/io.c
+++ b/arch/sh/boards/se/770x/io.c
@@ -1,4 +1,4 @@
-/* $Id: io.c,v 1.5 2004/02/22 23:08:43 kkojima Exp $
+/* $Id: io.c,v 1.7 2006/02/05 21:55:29 lethal Exp $
  *
  * linux/arch/sh/kernel/io_se.c
  *
@@ -11,7 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <asm/io.h>
-#include <asm/se/se.h>
+#include <asm/se.h>
 
 /* SH pcmcia io window base, start and end.  */
 int sh_pcic_io_wbase = 0xb8400000;
@@ -20,11 +20,6 @@ int sh_pcic_io_stop;
 int sh_pcic_io_type;
 int sh_pcic_io_dummy;
 
-static inline void delay(void)
-{
-	ctrl_inw(0xa0000000);
-}
-
 /* MS7750 requires special versions of in*, out* routines, since
    PC-like io ports are located at upper half byte of 16-bit word which
    can be accessed only with 16-bit wide.  */
@@ -52,10 +47,6 @@ shifted_port(unsigned long port)
 		return 1;
 }
 
-#define maybebadio(name,port) \
-  printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \
-	 #name, (port), (__u32) __builtin_return_address(0))
-
 unsigned char se_inb(unsigned long port)
 {
 	if (sh_pcic_io_start <= port && port <= sh_pcic_io_stop)
@@ -76,7 +67,7 @@ unsigned char se_inb_p(unsigned long port)
 		v = (*port2adr(port) >> 8); 
 	else
 		v = (*port2adr(port))&0xff; 
-	delay();
+	ctrl_delay();
 	return v;
 }
 
@@ -86,13 +77,13 @@ unsigned short se_inw(unsigned long port)
 	    (sh_pcic_io_start <= port && port <= sh_pcic_io_stop))
 		return *port2adr(port);
 	else
-		maybebadio(inw, port);
+		maybebadio(port);
 	return 0;
 }
 
 unsigned int se_inl(unsigned long port)
 {
-	maybebadio(inl, port);
+	maybebadio(port);
 	return 0;
 }
 
@@ -114,7 +105,7 @@ void se_outb_p(unsigned char value, unsigned long port)
 		*(port2adr(port)) = value << 8;
 	else
 		*(port2adr(port)) = value;
-	delay();
+	ctrl_delay();
 }
 
 void se_outw(unsigned short value, unsigned long port)
@@ -123,12 +114,12 @@ void se_outw(unsigned short value, unsigned long port)
 	    (sh_pcic_io_start <= port && port <= sh_pcic_io_stop))
 		*port2adr(port) = value;
 	else
-		maybebadio(outw, port);
+		maybebadio(port);
 }
 
 void se_outl(unsigned int value, unsigned long port)
 {
-	maybebadio(outl, port);
+	maybebadio(port);
 }
 
 void se_insb(unsigned long port, void *addr, unsigned long count)
@@ -159,7 +150,7 @@ void se_insw(unsigned long port, void *addr, unsigned long count)
 
 void se_insl(unsigned long port, void *addr, unsigned long count)
 {
-	maybebadio(insl, port);
+	maybebadio(port);
 }
 
 void se_outsb(unsigned long port, const void *addr, unsigned long count)
@@ -190,37 +181,5 @@ void se_outsw(unsigned long port, const void *addr, unsigned long count)
 
 void se_outsl(unsigned long port, const void *addr, unsigned long count)
 {
-	maybebadio(outsw, port);
-}
-
-/* Map ISA bus address to the real address. Only for PCMCIA.  */
-
-/* ISA page descriptor.  */
-static __u32 sh_isa_memmap[256];
-
-static int
-sh_isa_mmap(__u32 start, __u32 length, __u32 offset)
-{
-	int idx;
-
-	if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000))
-		return -1;
-
-	idx = start >> 12;
-	sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff);
-#if 0
-	printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n",
-	       start, length, offset, idx, sh_isa_memmap[idx]);
-#endif
-	return 0;
-}
-
-unsigned long
-se_isa_port2addr(unsigned long offset)
-{
-	int idx;
-
-	idx = (offset >> 12) & 0xff;
-	offset &= 0xfff;
-	return sh_isa_memmap[idx] + offset;
+	maybebadio(port);
 }
diff --git a/arch/sh/boards/se/770x/irq.c b/arch/sh/boards/se/770x/irq.c
index 3e558716ce10..cff6700bbafd 100644
--- a/arch/sh/boards/se/770x/irq.c
+++ b/arch/sh/boards/se/770x/irq.c
@@ -11,7 +11,7 @@
 #include <linux/irq.h>
 #include <asm/irq.h>
 #include <asm/io.h>
-#include <asm/se/se.h>
+#include <asm/se.h>
 
 /*
  * Initialize IRQ setting
diff --git a/arch/sh/boards/se/770x/led.c b/arch/sh/boards/se/770x/led.c
index 3cddbda025fc..daf7b1ee786a 100644
--- a/arch/sh/boards/se/770x/led.c
+++ b/arch/sh/boards/se/770x/led.c
@@ -9,22 +9,8 @@
  * This file contains Solution Engine specific LED code.
  */
 
-#include <asm/se/se.h>
-
-static void mach_led(int position, int value)
-{
-	volatile unsigned short* p = (volatile unsigned short*)PA_LED;
-
-	if (value) {
-		*p |= (1<<8);
-	} else {
-		*p &= ~(1<<8);
-	}
-}
-
-#ifdef CONFIG_HEARTBEAT
-
 #include <linux/sched.h>
+#include <asm/se.h>
 
 /* Cycle the LED's in the clasic Knightrider/Sun pattern */
 void heartbeat_se(void)
@@ -64,4 +50,3 @@ void heartbeat_se(void)
 	*p = 1<<(bit+8);
 
 }
-#endif /* CONFIG_HEARTBEAT */
diff --git a/arch/sh/boards/se/770x/mach.c b/arch/sh/boards/se/770x/mach.c
deleted file mode 100644
index 6ec07bd3dcf1..000000000000
--- a/arch/sh/boards/se/770x/mach.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * linux/arch/sh/kernel/mach_se.c
- *
- * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com)
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * Machine vector for the Hitachi SolutionEngine
- */
-
-#include <linux/init.h>
-
-#include <asm/machvec.h>
-#include <asm/rtc.h>
-#include <asm/machvec_init.h>
-
-#include <asm/se/io.h>
-
-void heartbeat_se(void);
-void setup_se(void);
-void init_se_IRQ(void);
-
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_se __initmv = {
-#if defined(CONFIG_CPU_SH4)
-	.mv_nr_irqs		= 48,
-#elif defined(CONFIG_CPU_SUBTYPE_SH7708)
-	.mv_nr_irqs		= 32,
-#elif defined(CONFIG_CPU_SUBTYPE_SH7709)
-	.mv_nr_irqs		= 61,
-#elif defined(CONFIG_CPU_SUBTYPE_SH7705)
-	.mv_nr_irqs		= 86,
-#endif
-
-	.mv_inb			= se_inb,
-	.mv_inw			= se_inw,
-	.mv_inl			= se_inl,
-	.mv_outb		= se_outb,
-	.mv_outw		= se_outw,
-	.mv_outl		= se_outl,
-
-	.mv_inb_p		= se_inb_p,
-	.mv_inw_p		= se_inw,
-	.mv_inl_p		= se_inl,
-	.mv_outb_p		= se_outb_p,
-	.mv_outw_p		= se_outw,
-	.mv_outl_p		= se_outl,
-
-	.mv_insb		= se_insb,
-	.mv_insw		= se_insw,
-	.mv_insl		= se_insl,
-	.mv_outsb		= se_outsb,
-	.mv_outsw		= se_outsw,
-	.mv_outsl		= se_outsl,
-
-	.mv_isa_port2addr	= se_isa_port2addr,
-
-	.mv_init_irq		= init_se_IRQ,
-#ifdef CONFIG_HEARTBEAT
-	.mv_heartbeat		= heartbeat_se,
-#endif
-};
-ALIAS_MV(se)
diff --git a/arch/sh/boards/se/770x/setup.c b/arch/sh/boards/se/770x/setup.c
index 7d1a071727cc..f3f82b7c8217 100644
--- a/arch/sh/boards/se/770x/setup.c
+++ b/arch/sh/boards/se/770x/setup.c
@@ -7,15 +7,17 @@
  * Hitachi SolutionEngine Support.
  *
  */
-
 #include <linux/init.h>
 #include <linux/irq.h>
-
 #include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <asm/io.h>
-#include <asm/se/se.h>
-#include <asm/se/smc37c93x.h>
+#include <asm/se.h>
+#include <asm/smc37c93x.h>
+#include <asm/machvec.h>
+
+void heartbeat_se(void);
+void init_se_IRQ(void);
 
 /*
  * Configure the Super I/O chip
@@ -26,7 +28,8 @@ static void __init smsc_config(int index, int data)
 	outb_p(data, DATA_PORT);
 }
 
-static void __init init_smsc(void)
+/* XXX: Another candidate for a more generic cchip machine vector */
+static void __init smsc_setup(char **cmdline_p)
 {
 	outb_p(CONFIG_ENTER, CONFIG_PORT);
 	outb_p(CONFIG_ENTER, CONFIG_PORT);
@@ -69,16 +72,46 @@ static void __init init_smsc(void)
 	outb_p(CONFIG_EXIT, CONFIG_PORT);
 }
 
-const char *get_system_type(void)
-{
-	return "SolutionEngine";
-}
-
 /*
- * Initialize the board
+ * The Machine Vector
  */
-void __init platform_setup(void)
-{
-	init_smsc();
-	/* XXX: RTC setting comes here */
-}
+struct sh_machine_vector mv_se __initmv = {
+	.mv_name		= "SolutionEngine",
+	.mv_setup		= smsc_setup,
+#if defined(CONFIG_CPU_SH4)
+	.mv_nr_irqs		= 48,
+#elif defined(CONFIG_CPU_SUBTYPE_SH7708)
+	.mv_nr_irqs		= 32,
+#elif defined(CONFIG_CPU_SUBTYPE_SH7709)
+	.mv_nr_irqs		= 61,
+#elif defined(CONFIG_CPU_SUBTYPE_SH7705)
+	.mv_nr_irqs		= 86,
+#endif
+
+	.mv_inb			= se_inb,
+	.mv_inw			= se_inw,
+	.mv_inl			= se_inl,
+	.mv_outb		= se_outb,
+	.mv_outw		= se_outw,
+	.mv_outl		= se_outl,
+
+	.mv_inb_p		= se_inb_p,
+	.mv_inw_p		= se_inw,
+	.mv_inl_p		= se_inl,
+	.mv_outb_p		= se_outb_p,
+	.mv_outw_p		= se_outw,
+	.mv_outl_p		= se_outl,
+
+	.mv_insb		= se_insb,
+	.mv_insw		= se_insw,
+	.mv_insl		= se_insl,
+	.mv_outsb		= se_outsb,
+	.mv_outsw		= se_outsw,
+	.mv_outsl		= se_outsl,
+
+	.mv_init_irq		= init_se_IRQ,
+#ifdef CONFIG_HEARTBEAT
+	.mv_heartbeat		= heartbeat_se,
+#endif
+};
+ALIAS_MV(se)
diff --git a/arch/sh/boards/se/7751/Makefile b/arch/sh/boards/se/7751/Makefile
index ce7ca247f84d..188900c48321 100644
--- a/arch/sh/boards/se/7751/Makefile
+++ b/arch/sh/boards/se/7751/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the 7751 SolutionEngine specific parts of the kernel
 #
 
-obj-y	 := mach.o setup.o io.o irq.o led.o
+obj-y	 := setup.o io.o irq.o
 
 obj-$(CONFIG_PCI) += pci.o
-
+obj-$(CONFIG_HEARTBEAT) += led.o
diff --git a/arch/sh/boards/se/7751/io.c b/arch/sh/boards/se/7751/io.c
index 99041b269261..e8d846cec89d 100644
--- a/arch/sh/boards/se/7751/io.c
+++ b/arch/sh/boards/se/7751/io.c
@@ -1,6 +1,4 @@
-/* 
- * linux/arch/sh/kernel/io_7751se.c
- *
+/*
  * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
  * Based largely on io_se.c.
  *
@@ -10,96 +8,21 @@
  * placeholder code from io_se.c left in with the
  * expectation of later SuperIO and PCMCIA access.
  */
-
 #include <linux/kernel.h>
 #include <linux/types.h>
+#include <linux/pci.h>
 #include <asm/io.h>
-#include <asm/se7751/se7751.h>
+#include <asm/se7751.h>
 #include <asm/addrspace.h>
 
-#include <linux/pci.h>
-#include "../../../drivers/pci/pci-sh7751.h"
-
-#if 0
-/******************************************************************
- * Variables from io_se.c, related to PCMCIA (not PCI); we're not
- * compiling them in, and have removed references from functions
- * which follow.  [Many checked for IO ports in the range bounded
- * by sh_pcic_io_start/stop, and used sh_pcic_io_wbase as offset.
- * As start/stop are uninitialized, only port 0x0 would match?]
- * When used, remember to adjust names to avoid clash with io_se?
- *****************************************************************/
-/* SH pcmcia io window base, start and end.  */
-int sh_pcic_io_wbase = 0xb8400000;
-int sh_pcic_io_start;
-int sh_pcic_io_stop;
-int sh_pcic_io_type;
-int sh_pcic_io_dummy;
-/*************************************************************/
-#endif
-
-/*
- * The 7751 Solution Engine uses the built-in PCI controller (PCIC)
- * of the 7751 processor, and has a SuperIO accessible via the PCI.
- * The board also includes a PCMCIA controller on its memory bus,
- * like the other Solution Engine boards.
- */ 
-
-#define PCIIOBR		(volatile long *)PCI_REG(SH7751_PCIIOBR)
-#define PCIMBR          (volatile long *)PCI_REG(SH7751_PCIMBR)
-#define PCI_IO_AREA	SH7751_PCI_IO_BASE
-#define PCI_MEM_AREA	SH7751_PCI_CONFIG_BASE
-
-#define PCI_IOMAP(adr)	(PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK))
-
-#define maybebadio(name,port) \
-  printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \
-	 #name, (port), (__u32) __builtin_return_address(0))
-
-static inline void delay(void)
-{
-	ctrl_inw(0xa0000000);
-}
-
-static inline volatile __u16 *
-port2adr(unsigned int port)
+static inline volatile u16 *port2adr(unsigned int port)
 {
 	if (port >= 0x2000)
 		return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
-#if 0
-	else
-		return (volatile __u16 *) (PA_SUPERIO + (port << 1));
-#endif
-	maybebadio(name,(unsigned long)port);
+	maybebadio((unsigned long)port);
 	return (volatile __u16*)port;
 }
 
-#if 0
-/* The 7751 Solution Engine seems to have everything hooked */
-/* up pretty normally (nothing on high-bytes only...) so this */
-/* shouldn't be needed */
-static inline int
-shifted_port(unsigned long port)
-{
-	/* For IDE registers, value is not shifted */
-	if ((0x1f0 <= port && port < 0x1f8) || port == 0x3f6)
-		return 0;
-	else
-		return 1;
-}
-#endif
-
-/* In case someone configures the kernel w/o PCI support: in that */
-/* scenario, don't ever bother to check for PCI-window addresses */
-
-/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */
-#if defined(CONFIG_PCI)
-#define CHECK_SH7751_PCIIO(port) \
-  ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE)))
-#else
-#define CHECK_SH7751_PCIIO(port) (0)
-#endif
-
 /*
  * General outline: remap really low stuff [eventually] to SuperIO,
  * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
@@ -111,10 +34,10 @@ unsigned char sh7751se_inb(unsigned long port)
 {
 	if (PXSEG(port))
 		return *(volatile unsigned char *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-		return *(volatile unsigned char *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+		return *(volatile unsigned char *)pci_ioaddr(port);
 	else
-		return (*port2adr(port))&0xff; 
+		return (*port2adr(port)) & 0xff;
 }
 
 unsigned char sh7751se_inb_p(unsigned long port)
@@ -123,11 +46,11 @@ unsigned char sh7751se_inb_p(unsigned long port)
 
         if (PXSEG(port))
                 v = *(volatile unsigned char *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-                v = *(volatile unsigned char *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+                v = *(volatile unsigned char *)pci_ioaddr(port);
 	else
-		v = (*port2adr(port))&0xff; 
-	delay();
+		v = (*port2adr(port)) & 0xff;
+	ctrl_delay();
 	return v;
 }
 
@@ -135,12 +58,12 @@ unsigned short sh7751se_inw(unsigned long port)
 {
         if (PXSEG(port))
                 return *(volatile unsigned short *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-                return *(volatile unsigned short *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+                return *(volatile unsigned short *)pci_ioaddr(port);
 	else if (port >= 0x2000)
 		return *port2adr(port);
 	else
-		maybebadio(inw, port);
+		maybebadio(port);
 	return 0;
 }
 
@@ -148,12 +71,12 @@ unsigned int sh7751se_inl(unsigned long port)
 {
         if (PXSEG(port))
                 return *(volatile unsigned long *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-                return *(volatile unsigned int *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+                return *(volatile unsigned int *)pci_ioaddr(port);
 	else if (port >= 0x2000)
 		return *port2adr(port);
 	else
-		maybebadio(inl, port);
+		maybebadio(port);
 	return 0;
 }
 
@@ -162,8 +85,8 @@ void sh7751se_outb(unsigned char value, unsigned long port)
 
         if (PXSEG(port))
                 *(volatile unsigned char *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-        	*((unsigned char*)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned char*)pci_ioaddr(port)) = value;
 	else
 		*(port2adr(port)) = value;
 }
@@ -172,73 +95,41 @@ void sh7751se_outb_p(unsigned char value, unsigned long port)
 {
         if (PXSEG(port))
                 *(volatile unsigned char *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-        	*((unsigned char*)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned char*)pci_ioaddr(port)) = value;
 	else
 		*(port2adr(port)) = value;
-	delay();
+	ctrl_delay();
 }
 
 void sh7751se_outw(unsigned short value, unsigned long port)
 {
         if (PXSEG(port))
                 *(volatile unsigned short *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-        	*((unsigned short *)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned short *)pci_ioaddr(port)) = value;
 	else if (port >= 0x2000)
 		*port2adr(port) = value;
 	else
-		maybebadio(outw, port);
+		maybebadio(port);
 }
 
 void sh7751se_outl(unsigned int value, unsigned long port)
 {
         if (PXSEG(port))
                 *(volatile unsigned long *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-        	*((unsigned long*)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned long*)pci_ioaddr(port)) = value;
 	else
-		maybebadio(outl, port);
+		maybebadio(port);
 }
 
 void sh7751se_insl(unsigned long port, void *addr, unsigned long count)
 {
-	maybebadio(insl, port);
+	maybebadio(port);
 }
 
 void sh7751se_outsl(unsigned long port, const void *addr, unsigned long count)
 {
-	maybebadio(outsw, port);
-}
-
-/* Map ISA bus address to the real address. Only for PCMCIA.  */
-
-/* ISA page descriptor.  */
-static __u32 sh_isa_memmap[256];
-
-#if 0
-static int
-sh_isa_mmap(__u32 start, __u32 length, __u32 offset)
-{
-	int idx;
-
-	if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000))
-		return -1;
-
-	idx = start >> 12;
-	sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff);
-	printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n",
-	       start, length, offset, idx, sh_isa_memmap[idx]);
-	return 0;
-}
-#endif
-
-unsigned long
-sh7751se_isa_port2addr(unsigned long offset)
-{
-	int idx;
-
-	idx = (offset >> 12) & 0xff;
-	offset &= 0xfff;
-	return sh_isa_memmap[idx] + offset;
+	maybebadio(port);
 }
diff --git a/arch/sh/boards/se/7751/irq.c b/arch/sh/boards/se/7751/irq.c
index bf6c023615df..c607b0a48479 100644
--- a/arch/sh/boards/se/7751/irq.c
+++ b/arch/sh/boards/se/7751/irq.c
@@ -12,7 +12,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <asm/irq.h>
-#include <asm/se7751/se7751.h>
+#include <asm/se7751.h>
 
 /*
  * Initialize IRQ setting
diff --git a/arch/sh/boards/se/7751/led.c b/arch/sh/boards/se/7751/led.c
index a878726d3c7c..ff0355dea81b 100644
--- a/arch/sh/boards/se/7751/led.c
+++ b/arch/sh/boards/se/7751/led.c
@@ -8,23 +8,8 @@
  *
  * This file contains Solution Engine specific LED code.
  */
-
-#include <asm/se7751/se7751.h>
-
-static void mach_led(int position, int value)
-{
-	volatile unsigned short* p = (volatile unsigned short*)PA_LED;
-
-	if (value) {
-		*p |= (1<<8);
-	} else {
-		*p &= ~(1<<8);
-	}
-}
-
-#ifdef CONFIG_HEARTBEAT
-
 #include <linux/sched.h>
+#include <asm/se7751.h>
 
 /* Cycle the LED's in the clasic Knightrider/Sun pattern */
 void heartbeat_7751se(void)
@@ -64,4 +49,3 @@ void heartbeat_7751se(void)
 	*p = 1<<(bit+8);
 
 }
-#endif /* CONFIG_HEARTBEAT */
diff --git a/arch/sh/boards/se/7751/mach.c b/arch/sh/boards/se/7751/mach.c
deleted file mode 100644
index 62d8d3e62590..000000000000
--- a/arch/sh/boards/se/7751/mach.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * linux/arch/sh/kernel/mach_7751se.c
- *
- * Minor tweak of mach_se.c file to reference 7751se-specific items.
- *
- * May be copied or modified under the terms of the GNU General Public
- * License.  See linux/COPYING for more information.
- *
- * Machine vector for the Hitachi 7751 SolutionEngine
- */
-
-#include <linux/init.h>
-
-#include <asm/machvec.h>
-#include <asm/rtc.h>
-#include <asm/machvec_init.h>
-
-#include <asm/se7751/io.h>
-
-void heartbeat_7751se(void);
-void init_7751se_IRQ(void);
-
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_7751se __initmv = {
-	.mv_nr_irqs		= 72,
-
-	.mv_inb			= sh7751se_inb,
-	.mv_inw			= sh7751se_inw,
-	.mv_inl			= sh7751se_inl,
-	.mv_outb		= sh7751se_outb,
-	.mv_outw		= sh7751se_outw,
-	.mv_outl		= sh7751se_outl,
-
-	.mv_inb_p		= sh7751se_inb_p,
-	.mv_inw_p		= sh7751se_inw,
-	.mv_inl_p		= sh7751se_inl,
-	.mv_outb_p		= sh7751se_outb_p,
-	.mv_outw_p		= sh7751se_outw,
-	.mv_outl_p		= sh7751se_outl,
-
-	.mv_insl		= sh7751se_insl,
-	.mv_outsl		= sh7751se_outsl,
-
-	.mv_isa_port2addr	= sh7751se_isa_port2addr,
-
-	.mv_init_irq		= init_7751se_IRQ,
-#ifdef CONFIG_HEARTBEAT
-	.mv_heartbeat		= heartbeat_7751se,
-#endif
-};
-ALIAS_MV(7751se)
diff --git a/arch/sh/boards/se/7751/setup.c b/arch/sh/boards/se/7751/setup.c
index 48dc5aee67d4..73e826310ba8 100644
--- a/arch/sh/boards/se/7751/setup.c
+++ b/arch/sh/boards/se/7751/setup.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * linux/arch/sh/kernel/setup_7751se.c
  *
  * Copyright (C) 2000  Kazumoto Kojima
@@ -11,78 +11,15 @@
 
 #include <linux/init.h>
 #include <linux/irq.h>
-
-#include <linux/hdreg.h>
 #include <linux/ide.h>
 #include <asm/io.h>
-#include <asm/se7751/se7751.h>
+#include <asm/se7751.h>
 
-#ifdef CONFIG_SH_KGDB
-#include <asm/kgdb.h>
-#endif
-
-/*
- * Configure the Super I/O chip
- */
-#if 0
-/* Leftover code from regular Solution Engine, for reference. */
-/* The SH7751 Solution Engine has a different SuperIO. */
-static void __init smsc_config(int index, int data)
-{
-	outb_p(index, INDEX_PORT);
-	outb_p(data, DATA_PORT);
-}
-
-static void __init init_smsc(void)
-{
-	outb_p(CONFIG_ENTER, CONFIG_PORT);
-	outb_p(CONFIG_ENTER, CONFIG_PORT);
-
-	/* FDC */
-	smsc_config(CURRENT_LDN_INDEX, LDN_FDC);
-	smsc_config(ACTIVATE_INDEX, 0x01);
-	smsc_config(IRQ_SELECT_INDEX, 6); /* IRQ6 */
-
-	/* IDE1 */
-	smsc_config(CURRENT_LDN_INDEX, LDN_IDE1);
-	smsc_config(ACTIVATE_INDEX, 0x01);
-	smsc_config(IRQ_SELECT_INDEX, 14); /* IRQ14 */
-
-	/* AUXIO (GPIO): to use IDE1 */
-	smsc_config(CURRENT_LDN_INDEX, LDN_AUXIO);
-	smsc_config(GPIO46_INDEX, 0x00); /* nIOROP */
-	smsc_config(GPIO47_INDEX, 0x00); /* nIOWOP */
-
-	/* COM1 */
-	smsc_config(CURRENT_LDN_INDEX, LDN_COM1);
-	smsc_config(ACTIVATE_INDEX, 0x01);
-	smsc_config(IO_BASE_HI_INDEX, 0x03);
-	smsc_config(IO_BASE_LO_INDEX, 0xf8);
-	smsc_config(IRQ_SELECT_INDEX, 4); /* IRQ4 */
-
-	/* COM2 */
-	smsc_config(CURRENT_LDN_INDEX, LDN_COM2);
-	smsc_config(ACTIVATE_INDEX, 0x01);
-	smsc_config(IO_BASE_HI_INDEX, 0x02);
-	smsc_config(IO_BASE_LO_INDEX, 0xf8);
-	smsc_config(IRQ_SELECT_INDEX, 3); /* IRQ3 */
-
-	/* RTC */
-	smsc_config(CURRENT_LDN_INDEX, LDN_RTC);
-	smsc_config(ACTIVATE_INDEX, 0x01);
-	smsc_config(IRQ_SELECT_INDEX, 8); /* IRQ8 */
-
-	/* XXX: PARPORT, KBD, and MOUSE will come here... */
-	outb_p(CONFIG_EXIT, CONFIG_PORT);
-}
-#endif
-
-const char *get_system_type(void)
-{
-	return "7751 SolutionEngine";
-}
+void heartbeat_7751se(void);
+void init_7751se_IRQ(void);
 
 #ifdef CONFIG_SH_KGDB
+#include <asm/kgdb.h>
 static int kgdb_uart_setup(void);
 static struct kgdb_sermap kgdb_uart_sermap = 
 { "ttyS", 0, kgdb_uart_setup, NULL };
@@ -91,7 +28,7 @@ static struct kgdb_sermap kgdb_uart_sermap =
 /*
  * Initialize the board
  */
-void __init platform_setup(void)
+static void __init sh7751se_setup(char **cmdline_p)
 {
 	/* Call init_smsc() replacement to set up SuperIO. */
 	/* XXX: RTC setting comes here */
@@ -225,3 +162,37 @@ static int kgdb_uart_setup(void)
 	return 0;
 }
 #endif /* CONFIG_SH_KGDB */
+
+
+/*
+ * The Machine Vector
+ */
+
+struct sh_machine_vector mv_7751se __initmv = {
+	.mv_name		= "7751 SolutionEngine",
+	.mv_setup		= sh7751se_setup,
+	.mv_nr_irqs		= 72,
+
+	.mv_inb			= sh7751se_inb,
+	.mv_inw			= sh7751se_inw,
+	.mv_inl			= sh7751se_inl,
+	.mv_outb		= sh7751se_outb,
+	.mv_outw		= sh7751se_outw,
+	.mv_outl		= sh7751se_outl,
+
+	.mv_inb_p		= sh7751se_inb_p,
+	.mv_inw_p		= sh7751se_inw,
+	.mv_inl_p		= sh7751se_inl,
+	.mv_outb_p		= sh7751se_outb_p,
+	.mv_outw_p		= sh7751se_outw,
+	.mv_outl_p		= sh7751se_outl,
+
+	.mv_insl		= sh7751se_insl,
+	.mv_outsl		= sh7751se_outsl,
+
+	.mv_init_irq		= init_7751se_IRQ,
+#ifdef CONFIG_HEARTBEAT
+	.mv_heartbeat		= heartbeat_7751se,
+#endif
+};
+ALIAS_MV(7751se)
diff --git a/arch/sh/boards/sh03/rtc.c b/arch/sh/boards/sh03/rtc.c
index d609863cfe53..0a9266bb51c5 100644
--- a/arch/sh/boards/sh03/rtc.c
+++ b/arch/sh/boards/sh03/rtc.c
@@ -10,9 +10,10 @@
 #include <linux/sched.h>
 #include <linux/time.h>
 #include <linux/bcd.h>
-#include <asm/io.h>
 #include <linux/rtc.h>
 #include <linux/spinlock.h>
+#include <asm/io.h>
+#include <asm/rtc.h>
 
 #define RTC_BASE	0xb0000000
 #define RTC_SEC1	(RTC_BASE + 0)
@@ -34,8 +35,6 @@
 #define RTC_BUSY	1
 #define RTC_STOP	2
 
-extern void (*rtc_get_time)(struct timespec *);
-extern int (*rtc_set_time)(const time_t);
 extern spinlock_t rtc_lock;
 
 unsigned long get_cmos_time(void)
@@ -128,6 +127,6 @@ int sh03_rtc_settimeofday(const time_t secs)
 
 void sh03_time_init(void)
 {
-	rtc_get_time = sh03_rtc_gettimeofday;
-	rtc_set_time = sh03_rtc_settimeofday;
+	rtc_sh_get_time = sh03_rtc_gettimeofday;
+	rtc_sh_set_time = sh03_rtc_settimeofday;
 }
diff --git a/arch/sh/boards/sh03/setup.c b/arch/sh/boards/sh03/setup.c
index 60290f8f289c..6c310587ddfe 100644
--- a/arch/sh/boards/sh03/setup.c
+++ b/arch/sh/boards/sh03/setup.c
@@ -7,22 +7,13 @@
 
 #include <linux/init.h>
 #include <linux/irq.h>
-#include <linux/hdreg.h>
-#include <linux/ide.h>
 #include <asm/io.h>
+#include <asm/rtc.h>
 #include <asm/sh03/io.h>
 #include <asm/sh03/sh03.h>
 #include <asm/addrspace.h>
-#include "../../drivers/pci/pci-sh7751.h"
 
-extern void (*board_time_init)(void);
-
-const char *get_system_type(void)
-{
-	return "Interface CTP/PCI-SH03)";
-}
-
-void init_sh03_IRQ(void)
+static void __init init_sh03_IRQ(void)
 {
 	ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
 
@@ -34,38 +25,34 @@ void init_sh03_IRQ(void)
 
 extern void *cf_io_base;
 
-unsigned long sh03_isa_port2addr(unsigned long port)
+static void __iomem *sh03_ioport_map(unsigned long port, unsigned int size)
 {
 	if (PXSEG(port))
-		return port;
+		return (void __iomem *)port;
 	/* CompactFlash (IDE) */
-	if (((port >= 0x1f0) && (port <= 0x1f7)) || (port == 0x3f6)) {
-		return (unsigned long)cf_io_base + port;
-	}
-        return port + SH7751_PCI_IO_BASE;
+	if (((port >= 0x1f0) && (port <= 0x1f7)) || (port == 0x3f6))
+		return (void __iomem *)((unsigned long)cf_io_base + port);
+
+        return (void __iomem *)(port + PCI_IO_BASE);
 }
 
-/*
- * The Machine Vector
- */
+/* arch/sh/boards/sh03/rtc.c */
+void sh03_time_init(void);
+
+static void __init sh03_setup(char **cmdline_p)
+{
+	board_time_init = sh03_time_init;
+}
 
 struct sh_machine_vector mv_sh03 __initmv = {
+	.mv_name		= "Interface (CTP/PCI-SH03)",
+	.mv_setup		= sh03_setup,
 	.mv_nr_irqs		= 48,
-	.mv_isa_port2addr	= sh03_isa_port2addr,
+	.mv_ioport_map		= sh03_ioport_map,
 	.mv_init_irq		= init_sh03_IRQ,
 
 #ifdef CONFIG_HEARTBEAT
 	.mv_heartbeat		= heartbeat_sh03,
 #endif
 };
-
 ALIAS_MV(sh03)
-
-/* arch/sh/boards/sh03/rtc.c */
-void sh03_time_init(void);
-
-int __init platform_setup(void)
-{
-	board_time_init = sh03_time_init;
-	return 0;
-}
diff --git a/arch/sh/boards/sh2000/Makefile b/arch/sh/boards/sh2000/Makefile
deleted file mode 100644
index 05d390c3599c..000000000000
--- a/arch/sh/boards/sh2000/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-#
-# Makefile for the SH2000 specific parts of the kernel
-#
-
-obj-y	 := setup.o
-
diff --git a/arch/sh/boards/sh2000/setup.c b/arch/sh/boards/sh2000/setup.c
deleted file mode 100644
index 2fe6a11765e9..000000000000
--- a/arch/sh/boards/sh2000/setup.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * linux/arch/sh/kernel/setup_sh2000.c
- *
- * Copyright (C) 2001  SUGIOKA Tochinobu
- *
- * SH-2000 Support.
- *
- */
-
-#include <linux/init.h>
-#include <linux/irq.h>
-
-#include <asm/io.h>
-#include <asm/machvec.h>
-#include <asm/mach/sh2000.h>
-
-#define CF_CIS_BASE	0xb4200000
-
-#define PORT_PECR	0xa4000108
-#define PORT_PHCR	0xa400010E
-#define	PORT_ICR1	0xa4000010
-#define	PORT_IRR0	0xa4000004
-
-#define IDE_OFFSET	0xb6200000
-#define NIC_OFFSET	0xb6000000
-#define EXTBUS_OFFSET	0xba000000
-
-
-const char *get_system_type(void)
-{
-	return "sh2000";
-}
-
-static unsigned long sh2000_isa_port2addr(unsigned long offset)
-{
-	if((offset & ~7) == 0x1f0 || offset == 0x3f6)
-		return IDE_OFFSET + offset;
-	else if((offset & ~0x1f) == 0x300)
-		return NIC_OFFSET + offset;
-	return EXTBUS_OFFSET + offset;
-}
-
-/*
- * The Machine Vector
- */
-struct sh_machine_vector mv_sh2000 __initmv = {
-        .mv_nr_irqs		= 80,
-        .mv_isa_port2addr	= sh2000_isa_port2addr,
-};
-ALIAS_MV(sh2000)
-
-/*
- * Initialize the board
- */
-int __init platform_setup(void)
-{
-	/* XXX: RTC setting comes here */
-
-	/* These should be done by BIOS/IPL ... */
-	/* Enable nCE2A, nCE2B output */
-	ctrl_outw(ctrl_inw(PORT_PECR) & ~0xf00, PORT_PECR);
-	/* Enable the Compact Flash card, and set the level interrupt */
-	ctrl_outw(0x0042, CF_CIS_BASE+0x0200);
-	/* Enable interrupt */
-	ctrl_outw(ctrl_inw(PORT_PHCR) & ~0x03f3, PORT_PHCR);
-	ctrl_outw(1, PORT_ICR1);
-	ctrl_outw(ctrl_inw(PORT_IRR0) & ~0xff3f, PORT_IRR0);
-	printk(KERN_INFO "SH-2000 Setup...done\n");
-	return 0;
-}
diff --git a/arch/sh/boards/shmin/Makefile b/arch/sh/boards/shmin/Makefile
new file mode 100644
index 000000000000..3190cc72430e
--- /dev/null
+++ b/arch/sh/boards/shmin/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the SHMIN board.
+#
+
+obj-y	 := setup.o
diff --git a/arch/sh/boards/shmin/setup.c b/arch/sh/boards/shmin/setup.c
new file mode 100644
index 000000000000..2f0c19706cf9
--- /dev/null
+++ b/arch/sh/boards/shmin/setup.c
@@ -0,0 +1,41 @@
+/*
+ * arch/sh/boards/shmin/setup.c
+ *
+ * Copyright (C) 2006 Takashi YOSHII
+ *
+ * SHMIN Support.
+ */
+#include <linux/init.h>
+#include <asm/machvec.h>
+#include <asm/shmin/shmin.h>
+#include <asm/clock.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+
+#define PFC_PHCR	0xa400010e
+
+static void __init init_shmin_irq(void)
+{
+	ctrl_outw(0x2a00, PFC_PHCR);	// IRQ0-3=IRQ
+	ctrl_outw(0x0aaa, INTC_ICR1);	// IRQ0-3=IRQ-mode,Low-active.
+}
+
+static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size)
+{
+	static int dummy;
+
+	if ((port & ~0x1f) == SHMIN_NE_BASE)
+		return (void __iomem *)(SHMIN_IO_BASE + port);
+
+	dummy = 0;
+
+	return &dummy;
+
+}
+
+struct sh_machine_vector mv_shmin __initmv = {
+	.mv_name	= "SHMIN",
+	.mv_init_irq	= init_shmin_irq,
+	.mv_ioport_map	= shmin_ioport_map,
+};
+ALIAS_MV(shmin)
diff --git a/arch/sh/boards/snapgear/io.c b/arch/sh/boards/snapgear/io.c
index e2eb78fc381d..0f4824264557 100644
--- a/arch/sh/boards/snapgear/io.c
+++ b/arch/sh/boards/snapgear/io.c
@@ -1,6 +1,4 @@
-/* 
- * linux/arch/sh/kernel/io_7751se.c
- *
+/*
  * Copyright (C) 2002  David McCullough <davidm@snapgear.com>
  * Copyright (C) 2001  Ian da Silva, Jeremy Siegel
  * Based largely on io_se.c.
@@ -11,67 +9,22 @@
  * placeholder code from io_se.c left in with the
  * expectation of later SuperIO and PCMCIA access.
  */
-
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/pci.h>
 #include <asm/io.h>
 #include <asm/addrspace.h>
 
-#include <asm/pci.h>
-#include "../../drivers/pci/pci-sh7751.h"
-
 #ifdef CONFIG_SH_SECUREEDGE5410
 unsigned short secureedge5410_ioport;
 #endif
 
-/*
- * The SnapGear uses the built-in PCI controller (PCIC)
- * of the 7751 processor
- */ 
-
-#define PCIIOBR		(volatile long *)PCI_REG(SH7751_PCIIOBR)
-#define PCIMBR          (volatile long *)PCI_REG(SH7751_PCIMBR)
-#define PCI_IO_AREA	SH7751_PCI_IO_BASE
-#define PCI_MEM_AREA	SH7751_PCI_CONFIG_BASE
-
-
-#define PCI_IOMAP(adr)	(PCI_IO_AREA + (adr & ~SH7751_PCIIOBR_MASK))
-
-
-#define maybebadio(name,port) \
-  printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \
-	 #name, (port), (__u32) __builtin_return_address(0))
-
-
-static inline void delay(void)
-{
-	ctrl_inw(0xa0000000);
-}
-
-
 static inline volatile __u16 *port2adr(unsigned int port)
 {
-#if 0
-	if (port >= 0x2000)
-		return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
-#endif
-	maybebadio(name,(unsigned long)port);
+	maybebadio((unsigned long)port);
 	return (volatile __u16*)port;
 }
 
-
-/* In case someone configures the kernel w/o PCI support: in that */
-/* scenario, don't ever bother to check for PCI-window addresses */
-
-/* NOTE: WINDOW CHECK MAY BE A BIT OFF, HIGH PCIBIOS_MIN_IO WRAPS? */
-#if defined(CONFIG_PCI)
-#define CHECK_SH7751_PCIIO(port) \
-  ((port >= PCIBIOS_MIN_IO) && (port < (PCIBIOS_MIN_IO + SH7751_PCI_IO_SIZE)))
-#else
-#define CHECK_SH7751_PCIIO(port) (0)
-#endif
-
 /*
  * General outline: remap really low stuff [eventually] to SuperIO,
  * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO)
@@ -79,148 +32,106 @@ static inline volatile __u16 *port2adr(unsigned int port)
  * should be way beyond the window, and is used  w/o translation for
  * compatibility.
  */
-
 unsigned char snapgear_inb(unsigned long port)
 {
 	if (PXSEG(port))
 		return *(volatile unsigned char *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-		return *(volatile unsigned char *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+		return *(volatile unsigned char *)pci_ioaddr(port);
 	else
-		return (*port2adr(port))&0xff; 
+		return (*port2adr(port)) & 0xff;
 }
 
-
 unsigned char snapgear_inb_p(unsigned long port)
 {
 	unsigned char v;
 
 	if (PXSEG(port))
 		v = *(volatile unsigned char *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-		v = *(volatile unsigned char *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+		v = *(volatile unsigned char *)pci_ioaddr(port);
 	else
-		v = (*port2adr(port))&0xff; 
-	delay();
+		v = (*port2adr(port))&0xff;
+	ctrl_delay();
 	return v;
 }
 
-
 unsigned short snapgear_inw(unsigned long port)
 {
 	if (PXSEG(port))
 		return *(volatile unsigned short *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-		return *(volatile unsigned short *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+		return *(volatile unsigned short *)pci_ioaddr(port);
 	else if (port >= 0x2000)
 		return *port2adr(port);
 	else
-		maybebadio(inw, port);
+		maybebadio(port);
 	return 0;
 }
 
-
 unsigned int snapgear_inl(unsigned long port)
 {
 	if (PXSEG(port))
 		return *(volatile unsigned long *)port;
-	else if (CHECK_SH7751_PCIIO(port))
-		return *(volatile unsigned int *)PCI_IOMAP(port);
+	else if (is_pci_ioaddr(port))
+		return *(volatile unsigned int *)pci_ioaddr(port);
 	else if (port >= 0x2000)
 		return *port2adr(port);
 	else
-		maybebadio(inl, port);
+		maybebadio(port);
 	return 0;
 }
 
-
 void snapgear_outb(unsigned char value, unsigned long port)
 {
 
 	if (PXSEG(port))
 		*(volatile unsigned char *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-		*((unsigned char*)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned char*)pci_ioaddr(port)) = value;
 	else
 		*(port2adr(port)) = value;
 }
 
-
 void snapgear_outb_p(unsigned char value, unsigned long port)
 {
 	if (PXSEG(port))
 		*(volatile unsigned char *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-		*((unsigned char*)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned char*)pci_ioaddr(port)) = value;
 	else
 		*(port2adr(port)) = value;
-	delay();
+	ctrl_delay();
 }
 
-
 void snapgear_outw(unsigned short value, unsigned long port)
 {
 	if (PXSEG(port))
 		*(volatile unsigned short *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-		*((unsigned short *)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned short *)pci_ioaddr(port)) = value;
 	else if (port >= 0x2000)
 		*port2adr(port) = value;
 	else
-		maybebadio(outw, port);
+		maybebadio(port);
 }
 
-
 void snapgear_outl(unsigned int value, unsigned long port)
 {
 	if (PXSEG(port))
 		*(volatile unsigned long *)port = value;
-	else if (CHECK_SH7751_PCIIO(port))
-		*((unsigned long*)PCI_IOMAP(port)) = value;
+	else if (is_pci_ioaddr(port))
+		*((unsigned long*)pci_ioaddr(port)) = value;
 	else
-		maybebadio(outl, port);
+		maybebadio(port);
 }
 
 void snapgear_insl(unsigned long port, void *addr, unsigned long count)
 {
-	maybebadio(insl, port);
+	maybebadio(port);
 }
 
 void snapgear_outsl(unsigned long port, const void *addr, unsigned long count)
 {
-	maybebadio(outsw, port);
-}
-
-/* Map ISA bus address to the real address. Only for PCMCIA.  */
-
-
-/* ISA page descriptor.  */
-static __u32 sh_isa_memmap[256];
-
-
-#if 0
-static int sh_isa_mmap(__u32 start, __u32 length, __u32 offset)
-{
-	int idx;
-
-	if (start >= 0x100000 || (start & 0xfff) || (length != 0x1000))
-		return -1;
-
-	idx = start >> 12;
-	sh_isa_memmap[idx] = 0xb8000000 + (offset &~ 0xfff);
-#if 0
-	printk("sh_isa_mmap: start %x len %x offset %x (idx %x paddr %x)\n",
-	       start, length, offset, idx, sh_isa_memmap[idx]);
-#endif
-	return 0;
-}
-#endif
-
-unsigned long snapgear_isa_port2addr(unsigned long offset)
-{
-	int idx;
-
-	idx = (offset >> 12) & 0xff;
-	offset &= 0xfff;
-	return sh_isa_memmap[idx] + offset;
+	maybebadio(port);
 }
diff --git a/arch/sh/boards/snapgear/rtc.c b/arch/sh/boards/snapgear/rtc.c
index b71e009da35c..1659fdd6695a 100644
--- a/arch/sh/boards/snapgear/rtc.c
+++ b/arch/sh/boards/snapgear/rtc.c
@@ -17,14 +17,9 @@
 #include <linux/time.h>
 #include <linux/rtc.h>
 #include <linux/mc146818rtc.h>
-
 #include <asm/io.h>
-#include <asm/rtc.h>
-#include <asm/mc146818rtc.h>
-
-/****************************************************************************/
 
-static int use_ds1302 = 0;
+static int use_ds1302;
 
 /****************************************************************************/
 /*
@@ -82,10 +77,6 @@ static unsigned int ds1302_readbyte(unsigned int addr)
 	unsigned int	val;
 	unsigned long	flags;
 
-#if 0
-	printk("SnapGear RTC: ds1302_readbyte(addr=%x)\n", addr);
-#endif
-
 	local_irq_save(flags);
 	set_dirp(get_dirp() | RTC_RESET | RTC_IODATA | RTC_SCLK);
 	set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
@@ -104,10 +95,6 @@ static void ds1302_writebyte(unsigned int addr, unsigned int val)
 {
 	unsigned long	flags;
 
-#if 0
-	printk("SnapGear RTC: ds1302_writebyte(addr=%x)\n", addr);
-#endif
-
 	local_irq_save(flags);
 	set_dirp(get_dirp() | RTC_RESET | RTC_IODATA | RTC_SCLK);
 	set_dp(get_dp() & ~(RTC_RESET | RTC_IODATA | RTC_SCLK));
@@ -168,11 +155,8 @@ void __init secureedge5410_rtc_init(void)
 		}
 
 	if (use_ds1302) {
-		rtc_get_time = snapgear_rtc_gettimeofday;
-		rtc_set_time = snapgear_rtc_settimeofday;
-	} else {
-		rtc_get_time = sh_rtc_gettimeofday;
-		rtc_set_time = sh_rtc_settimeofday;
+		rtc_sh_get_time = snapgear_rtc_gettimeofday;
+		rtc_sh_set_time = snapgear_rtc_settimeofday;
 	}
 		
 	printk("SnapGear RTC: using %s rtc.\n", use_ds1302 ? "ds1302" : "internal");
@@ -187,10 +171,8 @@ void snapgear_rtc_gettimeofday(struct timespec *ts)
 {
 	unsigned int sec, min, hr, day, mon, yr;
 
-	if (!use_ds1302) {
-		sh_rtc_gettimeofday(ts);
+	if (!use_ds1302)
 		return;
-	}
 
  	sec = bcd2int(ds1302_readbyte(RTC_ADDR_SEC));
  	min = bcd2int(ds1302_readbyte(RTC_ADDR_MIN));
@@ -231,7 +213,7 @@ int snapgear_rtc_settimeofday(const time_t secs)
 	unsigned long nowtime;
 
 	if (!use_ds1302)
-		return sh_rtc_settimeofday(secs);
+		return 0;
 
 /*
  *	This is called direct from the kernel timer handling code.
@@ -240,10 +222,6 @@ int snapgear_rtc_settimeofday(const time_t secs)
 
 	nowtime = secs;
 
-#if 1
-	printk("SnapGear RTC: snapgear_rtc_settimeofday(nowtime=%ld)\n", nowtime);
-#endif
-
 	/* STOP RTC */
 	ds1302_writebyte(RTC_ADDR_SEC, ds1302_readbyte(RTC_ADDR_SEC) | 0x80);
 
@@ -329,5 +307,3 @@ void secureedge5410_cmos_write(unsigned char val, int addr)
 	default:                                                      break;
 	}
 }
-
-/****************************************************************************/
diff --git a/arch/sh/boards/snapgear/setup.c b/arch/sh/boards/snapgear/setup.c
index f1f7c70c9402..f5e98c56b530 100644
--- a/arch/sh/boards/snapgear/setup.c
+++ b/arch/sh/boards/snapgear/setup.c
@@ -1,5 +1,4 @@
-/****************************************************************************/
-/* 
+/*
  * linux/arch/sh/boards/snapgear/setup.c
  *
  * Copyright (C) 2002  David McCullough <davidm@snapgear.com>
@@ -12,8 +11,6 @@
  *           Modified for 7751 Solution Engine by
  *           Ian da Silva and Jeremy Siegel, 2001.
  */
-/****************************************************************************/
-
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
@@ -21,14 +18,13 @@
 #include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/sched.h>
-
 #include <asm/machvec.h>
-#include <asm/mach/io.h>
+#include <asm/snapgear.h>
 #include <asm/irq.h>
 #include <asm/io.h>
+#include <asm/rtc.h>
 #include <asm/cpu/timer.h>
 
-extern void (*board_time_init)(void);
 extern void secureedge5410_rtc_init(void);
 extern void pcibios_init(void);
 
@@ -85,101 +81,20 @@ static void __init init_snapgear_IRQ(void)
 	make_ipr_irq(IRL3_IRQ, IRL3_IPR_ADDR, IRL3_IPR_POS, IRL3_PRIORITY);
 }
 
-/****************************************************************************/
-/*
- *	Fast poll interrupt simulator.
- */
-
 /*
- * Leave all of the fast timer/fast poll stuff commented out for now, since
- * it's not clear whether it actually works or not. Since it wasn't being used
- * at all in 2.4, we'll assume it's not sane for 2.6 either.. -- PFM
- */
-#if 0
-#define FAST_POLL	1000
-//#define FAST_POLL_INTR
-
-#define FASTTIMER_IRQ   17
-#define FASTTIMER_IPR_ADDR  INTC_IPRA
-#define FASTTIMER_IPR_POS    2
-#define FASTTIMER_PRIORITY   3
-
-#ifdef FAST_POLL_INTR
-#define TMU1_TCR_INIT	0x0020
-#else
-#define TMU1_TCR_INIT	0
-#endif
-#define TMU_TSTR_INIT	1
-#define TMU1_TCR_CALIB	0x0000
-
-
-#ifdef FAST_POLL_INTR
-static void fast_timer_irq(int irq, void *dev_instance, struct pt_regs *regs)
-{
-	unsigned long timer_status;
-    timer_status = ctrl_inw(TMU1_TCR);
-	timer_status &= ~0x100;
-	ctrl_outw(timer_status, TMU1_TCR);
-}
-#endif
-
-/*
- * return the current ticks on the fast timer
- */
-
-unsigned long fast_timer_count(void)
-{
-	return(ctrl_inl(TMU1_TCNT));
-}
-
-/*
- * setup a fast timer for profiling etc etc
+ * Initialize the board
  */
-
-static void setup_fast_timer()
-{
-	unsigned long interval;
-
-#ifdef FAST_POLL_INTR
-	interval = (current_cpu_data.module_clock/4 + FAST_POLL/2) / FAST_POLL;
-
-	make_ipr_irq(FASTTIMER_IRQ, FASTTIMER_IPR_ADDR, FASTTIMER_IPR_POS,
-			FASTTIMER_PRIORITY);
-
-	printk("SnapGear: %dHz fast timer on IRQ %d\n",FAST_POLL,FASTTIMER_IRQ);
-
-	if (request_irq(FASTTIMER_IRQ, fast_timer_irq, 0, "SnapGear fast timer",
-			NULL) != 0)
-		printk("%s(%d): request_irq() failed?\n", __FILE__, __LINE__);
-#else
-	printk("SnapGear: fast timer running\n",FAST_POLL,FASTTIMER_IRQ);
-	interval = 0xffffffff;
-#endif
-
-	ctrl_outb(ctrl_inb(TMU_TSTR) & ~0x2, TMU_TSTR); /* disable timer 1 */
-	ctrl_outw(TMU1_TCR_INIT, TMU1_TCR);
-	ctrl_outl(interval, TMU1_TCOR);
-	ctrl_outl(interval, TMU1_TCNT);
-	ctrl_outb(ctrl_inb(TMU_TSTR) | 0x2, TMU_TSTR); /* enable timer 1 */
-
-	printk("Timer count 1 = 0x%x\n", fast_timer_count());
-	udelay(1000);
-	printk("Timer count 2 = 0x%x\n", fast_timer_count());
-}
-#endif
-
-/****************************************************************************/
-
-const char *get_system_type(void)
+static void __init snapgear_setup(char **cmdline_p)
 {
-	return "SnapGear SecureEdge5410";
+	board_time_init = secureedge5410_rtc_init;
 }
 
 /*
  * The Machine Vector
  */
-
 struct sh_machine_vector mv_snapgear __initmv = {
+	.mv_name		= "SnapGear SecureEdge5410",
+	.mv_setup		= snapgear_setup,
 	.mv_nr_irqs		= 72,
 
 	.mv_inb			= snapgear_inb,
@@ -196,20 +111,6 @@ struct sh_machine_vector mv_snapgear __initmv = {
 	.mv_outw_p		= snapgear_outw,
 	.mv_outl_p		= snapgear_outl,
 
-	.mv_isa_port2addr	= snapgear_isa_port2addr,
-
 	.mv_init_irq		= init_snapgear_IRQ,
 };
 ALIAS_MV(snapgear)
-
-/*
- * Initialize the board
- */
-
-int __init platform_setup(void)
-{
-	board_time_init = secureedge5410_rtc_init;
-
-	return 0;
-}
-
diff --git a/arch/sh/boards/superh/microdev/irq.c b/arch/sh/boards/superh/microdev/irq.c
index 236398fbc083..8c64baa30364 100644
--- a/arch/sh/boards/superh/microdev/irq.c
+++ b/arch/sh/boards/superh/microdev/irq.c
@@ -11,14 +11,12 @@
 
 #include <linux/init.h>
 #include <linux/irq.h>
-
 #include <asm/system.h>
 #include <asm/io.h>
 #include <asm/microdev.h>
 
 #define NUM_EXTERNAL_IRQS 16	/* IRL0 .. IRL15 */
 
-
 static const struct {
 	unsigned char fpgaIrq;
 	unsigned char mapped;
@@ -93,53 +91,42 @@ static struct hw_interrupt_type microdev_irq_type = {
 
 static void disable_microdev_irq(unsigned int irq)
 {
-	unsigned int flags;
 	unsigned int fpgaIrq;
 
-	if (irq >= NUM_EXTERNAL_IRQS) return;
-	if (!fpgaIrqTable[irq].mapped) return;
+	if (irq >= NUM_EXTERNAL_IRQS)
+		return;
+	if (!fpgaIrqTable[irq].mapped)
+		return;
 
 	fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
 
-		/* disable interrupts */
-	local_irq_save(flags);
-
-		/* disable interupts on the FPGA INTC register */
+	/* disable interupts on the FPGA INTC register */
 	ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTDSB_REG);
-
-		/* restore interrupts */
-	local_irq_restore(flags);
 }
 
 static void enable_microdev_irq(unsigned int irq)
 {
 	unsigned long priorityReg, priorities, pri;
-	unsigned int flags;
 	unsigned int fpgaIrq;
 
-
-	if (irq >= NUM_EXTERNAL_IRQS) return;
-	if (!fpgaIrqTable[irq].mapped) return;
+	if (unlikely(irq >= NUM_EXTERNAL_IRQS))
+		return;
+	if (unlikely(!fpgaIrqTable[irq].mapped))
+		return;
 
 	pri = 15 - irq;
 
 	fpgaIrq = fpgaIrqTable[irq].fpgaIrq;
 	priorityReg = MICRODEV_FPGA_INTPRI_REG(fpgaIrq);
 
-		/* disable interrupts */
-	local_irq_save(flags);
-
-		/* set priority for the interrupt */
+	/* set priority for the interrupt */
 	priorities = ctrl_inl(priorityReg);
 	priorities &= ~MICRODEV_FPGA_INTPRI_MASK(fpgaIrq);
 	priorities |= MICRODEV_FPGA_INTPRI_LEVEL(fpgaIrq, pri);
 	ctrl_outl(priorities, priorityReg);
 
-		/* enable interupts on the FPGA INTC register */
+	/* enable interupts on the FPGA INTC register */
 	ctrl_outl(MICRODEV_FPGA_INTC_MASK(fpgaIrq), MICRODEV_FPGA_INTENB_REG);
-
-		/* restore interrupts */
-	local_irq_restore(flags);
 }
 
 	/* This functions sets the desired irq handler to be a MicroDev type */
@@ -158,9 +145,7 @@ static void mask_and_ack_microdev(unsigned int irq)
 static void end_microdev_irq(unsigned int irq)
 {
 	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-	{
 		enable_microdev_irq(irq);
-	}
 }
 
 extern void __init init_microdev_irq(void)
@@ -171,9 +156,7 @@ extern void __init init_microdev_irq(void)
 	ctrl_outl(~0ul, MICRODEV_FPGA_INTDSB_REG);
 
 	for (i = 0; i < NUM_EXTERNAL_IRQS; i++)
-	{
 		make_microdev_irq(i);
-	}
 }
 
 extern void microdev_print_fpga_intc_status(void)
diff --git a/arch/sh/boards/superh/microdev/setup.c b/arch/sh/boards/superh/microdev/setup.c
index 61b402a3f5d7..031c814e6e76 100644
--- a/arch/sh/boards/superh/microdev/setup.c
+++ b/arch/sh/boards/superh/microdev/setup.c
@@ -10,7 +10,6 @@
  * May be copied or modified under the terms of the GNU General Public
  * License.  See linux/COPYING for more information.
  */
-
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/ioport.h>
@@ -21,41 +20,6 @@
 
 extern void microdev_heartbeat(void);
 
-/*
- * The Machine Vector
- */
-
-struct sh_machine_vector mv_sh4202_microdev __initmv = {
-	.mv_nr_irqs		= 72,		/* QQQ need to check this - use the MACRO */
-
-	.mv_inb			= microdev_inb,
-	.mv_inw			= microdev_inw,
-	.mv_inl			= microdev_inl,
-	.mv_outb		= microdev_outb,
-	.mv_outw		= microdev_outw,
-	.mv_outl		= microdev_outl,
-
-	.mv_inb_p		= microdev_inb_p,
-	.mv_inw_p		= microdev_inw_p,
-	.mv_inl_p		= microdev_inl_p,
-	.mv_outb_p		= microdev_outb_p,
-	.mv_outw_p		= microdev_outw_p,
-	.mv_outl_p		= microdev_outl_p,
-
-	.mv_insb		= microdev_insb,
-	.mv_insw		= microdev_insw,
-	.mv_insl		= microdev_insl,
-	.mv_outsb		= microdev_outsb,
-	.mv_outsw		= microdev_outsw,
-	.mv_outsl		= microdev_outsl,
-
-	.mv_init_irq		= init_microdev_irq,
-
-#ifdef CONFIG_HEARTBEAT
-	.mv_heartbeat		= microdev_heartbeat,
-#endif
-};
-ALIAS_MV(sh4202_microdev)
 
 /****************************************************************************/
 
@@ -113,11 +77,6 @@ ALIAS_MV(sh4202_microdev)
 	/* assume a Keyboard Controller is present */
 int microdev_kbd_controller_present = 1;
 
-const char *get_system_type(void)
-{
-	return "SH4-202 MicroDev";
-}
-
 static struct resource smc91x_resources[] = {
 	[0] = {
 		.start		= 0x300,
@@ -291,25 +250,9 @@ static int __init microdev_devices_setup(void)
 	return platform_add_devices(microdev_devices, ARRAY_SIZE(microdev_devices));
 }
 
-__initcall(microdev_devices_setup);
-
-void __init platform_setup(void)
-{
-	int * const fpgaRevisionRegister = (int*)(MICRODEV_FPGA_GP_BASE + 0x8ul);
-	const int fpgaRevision = *fpgaRevisionRegister;
-	int * const CacheControlRegister = (int*)CCR;
-
-	printk("SuperH %s board (FPGA rev: 0x%0x, CCR: 0x%0x)\n",
-		get_system_type(), fpgaRevision, *CacheControlRegister);
-}
-
-
-/****************************************************************************/
-
-
-	/*
-	 * Setup for the SMSC FDC37C93xAPM
-	 */
+/*
+ * Setup for the SMSC FDC37C93xAPM
+ */
 static int __init smsc_superio_setup(void)
 {
 
@@ -412,8 +355,52 @@ static int __init smsc_superio_setup(void)
 	return 0;
 }
 
+static void __init microdev_setup(char **cmdline_p)
+{
+	int * const fpgaRevisionRegister = (int*)(MICRODEV_FPGA_GP_BASE + 0x8ul);
+	const int fpgaRevision = *fpgaRevisionRegister;
+	int * const CacheControlRegister = (int*)CCR;
+
+	device_initcall(microdev_devices_setup);
+	device_initcall(smsc_superio_setup);
 
-/* This is grotty, but, because kernel is always referenced on the link line
- * before any devices, this is safe.
+	printk("SuperH %s board (FPGA rev: 0x%0x, CCR: 0x%0x)\n",
+		get_system_type(), fpgaRevision, *CacheControlRegister);
+}
+
+/*
+ * The Machine Vector
  */
-__initcall(smsc_superio_setup);
+struct sh_machine_vector mv_sh4202_microdev __initmv = {
+	.mv_name		= "SH4-202 MicroDev",
+	.mv_setup		= microdev_setup,
+	.mv_nr_irqs		= 72,		/* QQQ need to check this - use the MACRO */
+
+	.mv_inb			= microdev_inb,
+	.mv_inw			= microdev_inw,
+	.mv_inl			= microdev_inl,
+	.mv_outb		= microdev_outb,
+	.mv_outw		= microdev_outw,
+	.mv_outl		= microdev_outl,
+
+	.mv_inb_p		= microdev_inb_p,
+	.mv_inw_p		= microdev_inw_p,
+	.mv_inl_p		= microdev_inl_p,
+	.mv_outb_p		= microdev_outb_p,
+	.mv_outw_p		= microdev_outw_p,
+	.mv_outl_p		= microdev_outl_p,
+
+	.mv_insb		= microdev_insb,
+	.mv_insw		= microdev_insw,
+	.mv_insl		= microdev_insl,
+	.mv_outsb		= microdev_outsb,
+	.mv_outsw		= microdev_outsw,
+	.mv_outsl		= microdev_outsl,
+
+	.mv_init_irq		= init_microdev_irq,
+
+#ifdef CONFIG_HEARTBEAT
+	.mv_heartbeat		= microdev_heartbeat,
+#endif
+};
+ALIAS_MV(sh4202_microdev)
diff --git a/arch/sh/boards/titan/Makefile b/arch/sh/boards/titan/Makefile
new file mode 100644
index 000000000000..08d753700062
--- /dev/null
+++ b/arch/sh/boards/titan/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the Nimble Microsystems TITAN specific parts of the kernel
+#
+
+obj-y	 := setup.o io.o
diff --git a/arch/sh/boards/titan/io.c b/arch/sh/boards/titan/io.c
new file mode 100644
index 000000000000..4730c1dd697d
--- /dev/null
+++ b/arch/sh/boards/titan/io.c
@@ -0,0 +1,126 @@
+/*
+ *	I/O routines for Titan
+ */
+#include <linux/pci.h>
+#include <asm/machvec.h>
+#include <asm/addrspace.h>
+#include <asm/titan.h>
+#include <asm/io.h>
+
+static inline unsigned int port2adr(unsigned int port)
+{
+        maybebadio((unsigned long)port);
+        return port;
+}
+
+u8 titan_inb(unsigned long port)
+{
+        if (PXSEG(port))
+                return ctrl_inb(port);
+        else if (is_pci_ioaddr(port))
+                return ctrl_inb(pci_ioaddr(port));
+        return ctrl_inw(port2adr(port)) & 0xff;
+}
+
+u8 titan_inb_p(unsigned long port)
+{
+        u8 v;
+
+        if (PXSEG(port))
+                v = ctrl_inb(port);
+        else if (is_pci_ioaddr(port))
+                v = ctrl_inb(pci_ioaddr(port));
+        else
+                v = ctrl_inw(port2adr(port)) & 0xff;
+        ctrl_delay();
+        return v;
+}
+
+u16 titan_inw(unsigned long port)
+{
+        if (PXSEG(port))
+                return ctrl_inw(port);
+        else if (is_pci_ioaddr(port))
+                return ctrl_inw(pci_ioaddr(port));
+        else if (port >= 0x2000)
+                return ctrl_inw(port2adr(port));
+        else
+                maybebadio(port);
+        return 0;
+}
+
+u32 titan_inl(unsigned long port)
+{
+        if (PXSEG(port))
+                return ctrl_inl(port);
+        else if (is_pci_ioaddr(port))
+                return ctrl_inl(pci_ioaddr(port));
+        else if (port >= 0x2000)
+                return ctrl_inw(port2adr(port));
+        else
+                maybebadio(port);
+        return 0;
+}
+
+void titan_outb(u8 value, unsigned long port)
+{
+        if (PXSEG(port))
+                ctrl_outb(value, port);
+        else if (is_pci_ioaddr(port))
+                ctrl_outb(value, pci_ioaddr(port));
+        else
+                ctrl_outw(value, port2adr(port));
+}
+
+void titan_outb_p(u8 value, unsigned long port)
+{
+        if (PXSEG(port))
+                ctrl_outb(value, port);
+        else if (is_pci_ioaddr(port))
+                ctrl_outb(value, pci_ioaddr(port));
+        else
+                ctrl_outw(value, port2adr(port));
+        ctrl_delay();
+}
+
+void titan_outw(u16 value, unsigned long port)
+{
+        if (PXSEG(port))
+                ctrl_outw(value, port);
+        else if (is_pci_ioaddr(port))
+                ctrl_outw(value, pci_ioaddr(port));
+        else if (port >= 0x2000)
+                ctrl_outw(value, port2adr(port));
+        else
+                maybebadio(port);
+}
+
+void titan_outl(u32 value, unsigned long port)
+{
+        if (PXSEG(port))
+                ctrl_outl(value, port);
+        else if (is_pci_ioaddr(port))
+                ctrl_outl(value, pci_ioaddr(port));
+        else
+                maybebadio(port);
+}
+
+void titan_insl(unsigned long port, void *dst, unsigned long count)
+{
+        maybebadio(port);
+}
+
+void titan_outsl(unsigned long port, const void *src, unsigned long count)
+{
+        maybebadio(port);
+}
+
+void __iomem *titan_ioport_map(unsigned long port, unsigned int size)
+{
+	if (PXSEG(port) || is_pci_memaddr(port))
+		return (void __iomem *)port;
+	else if (is_pci_ioaddr(port))
+		return (void __iomem *)pci_ioaddr(port);
+
+	return (void __iomem *)port2adr(port);
+}
diff --git a/arch/sh/boards/titan/setup.c b/arch/sh/boards/titan/setup.c
new file mode 100644
index 000000000000..52b66d8b8d2a
--- /dev/null
+++ b/arch/sh/boards/titan/setup.c
@@ -0,0 +1,48 @@
+/*
+ *	Setup for Titan
+ */
+
+#include <linux/init.h>
+#include <asm/irq.h>
+#include <asm/titan.h>
+#include <asm/io.h>
+
+extern void __init pcibios_init_platform(void);
+
+static void __init init_titan_irq(void)
+{
+	/* enable individual interrupt mode for externals */
+	ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR);
+
+	make_ipr_irq( TITAN_IRQ_WAN,   IRL0_IPR_ADDR, IRL0_IPR_POS, IRL0_PRIORITY); /* PCIRQ0 */
+	make_ipr_irq( TITAN_IRQ_LAN,   IRL1_IPR_ADDR, IRL1_IPR_POS, IRL1_PRIORITY); /* PCIRQ1 */
+	make_ipr_irq( TITAN_IRQ_MPCIA, IRL2_IPR_ADDR, IRL2_IPR_POS, IRL2_PRIORITY); /* PCIRQ2 */
+	make_ipr_irq( TITAN_IRQ_USB,   IRL3_IPR_ADDR, IRL3_IPR_POS, IRL3_PRIORITY); /* PCIRQ3 */
+}
+
+struct sh_machine_vector mv_titan __initmv = {
+	.mv_name =	"Titan",
+
+	.mv_inb =	titan_inb,
+	.mv_inw =	titan_inw,
+	.mv_inl =	titan_inl,
+	.mv_outb =	titan_outb,
+	.mv_outw =	titan_outw,
+	.mv_outl =	titan_outl,
+
+	.mv_inb_p =	titan_inb_p,
+	.mv_inw_p =	titan_inw,
+	.mv_inl_p =	titan_inl,
+	.mv_outb_p =	titan_outb_p,
+	.mv_outw_p =	titan_outw,
+	.mv_outl_p =	titan_outl,
+
+	.mv_insl =	titan_insl,
+	.mv_outsl =	titan_outsl,
+
+	.mv_ioport_map = titan_ioport_map,
+
+	.mv_init_irq =	init_titan_irq,
+	.mv_init_pci =	pcibios_init_platform,
+};
+ALIAS_MV(titan)
diff --git a/arch/sh/boards/unknown/setup.c b/arch/sh/boards/unknown/setup.c
index c5e4ed10876b..1c941370a2e3 100644
--- a/arch/sh/boards/unknown/setup.c
+++ b/arch/sh/boards/unknown/setup.c
@@ -14,19 +14,8 @@
  */
 #include <linux/init.h>
 #include <asm/machvec.h>
-#include <asm/irq.h>
 
 struct sh_machine_vector mv_unknown __initmv = {
-	.mv_nr_irqs		= NR_IRQS,
+	.mv_name		= "Unknown",
 };
 ALIAS_MV(unknown)
-
-const char *get_system_type(void)
-{
-	return "Unknown";
-}
-
-void __init platform_setup(void)
-{
-}
-
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index 75a6876bf6c6..e5f443790079 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -18,13 +18,20 @@ endif
 # Assign dummy values if these 2 variables are not defined,
 # in order to suppress error message.
 #
+CONFIG_PAGE_OFFSET	?= 0x80000000
 CONFIG_MEMORY_START     ?= 0x0c000000
 CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
-IMAGE_OFFSET := $(shell printf "0x%8x" $$[0x80000000+$(CONFIG_MEMORY_START)+$(CONFIG_BOOT_LINK_OFFSET)])
+
+IMAGE_OFFSET	:= $(shell printf "0x%08x" $$[$(CONFIG_PAGE_OFFSET)  + \
+					      $(CONFIG_MEMORY_START) + \
+					      $(CONFIG_BOOT_LINK_OFFSET)])
+
+LIBGCC	:= $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
 
 LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup -T $(obj)/../../kernel/vmlinux.lds
 
-$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE
+
+$(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
 	$(call if_changed,ld)
 	@:
 
diff --git a/arch/sh/cchips/Kconfig b/arch/sh/cchips/Kconfig
index 155d139884c3..0582ca8346b6 100644
--- a/arch/sh/cchips/Kconfig
+++ b/arch/sh/cchips/Kconfig
@@ -65,6 +65,11 @@ config HD64461_IRQ
 
 	  Do not change this unless you know what you are doing.
 
+config HD64461_IOBASE
+	hex "HD64461 start address"
+	depends on HD64461
+	default "0xb0000000"
+
 config HD64461_ENABLER
 	bool "HD64461 PCMCIA enabler"
 	depends on HD64461
@@ -73,7 +78,6 @@ config HD64461_ENABLER
 	  via the HD64461 companion chip.
 	  Otherwise, say N.
 
-
 config HD64465_IOBASE
 	hex "HD64465 start address"
 	depends on HD64465
diff --git a/arch/sh/cchips/hd6446x/hd64461/io.c b/arch/sh/cchips/hd6446x/hd64461/io.c
index ac3062671db7..7909a1b7b512 100644
--- a/arch/sh/cchips/hd6446x/hd64461/io.c
+++ b/arch/sh/cchips/hd6446x/hd64461/io.c
@@ -1,11 +1,10 @@
 /*
- *	$Id: io.c,v 1.6 2004/03/16 00:07:50 lethal Exp $
  *	Copyright (C) 2000 YAEGASHI Takeshi
  *	Typical I/O routines for HD64461 system.
  */
 
 #include <asm/io.h>
-#include <asm/hd64461/hd64461.h>
+#include <asm/hd64461.h>
 
 #define MEM_BASE (CONFIG_HD64461_IOBASE - HD64461_STBCR)
 
@@ -54,11 +53,6 @@ static __inline__ unsigned long PORT2ADDR(unsigned long port)
 	return 0xa0000000 + (port & 0x1fffffff);
 }
 
-static inline void delay(void)
-{
-	ctrl_inw(0xa0000000);
-}
-
 unsigned char hd64461_inb(unsigned long port)
 {
 	return *(volatile unsigned char*)PORT2ADDR(port);
@@ -67,7 +61,7 @@ unsigned char hd64461_inb(unsigned long port)
 unsigned char hd64461_inb_p(unsigned long port)
 {
 	unsigned long v = *(volatile unsigned char*)PORT2ADDR(port);
-	delay();
+	ctrl_delay();
 	return v;
 }
 
@@ -89,7 +83,7 @@ void hd64461_outb(unsigned char b, unsigned long port)
 void hd64461_outb_p(unsigned char b, unsigned long port)
 {
 	*(volatile unsigned char*)PORT2ADDR(port) = b;
-	delay();
+	ctrl_delay();
 }
 
 void hd64461_outw(unsigned short b, unsigned long port)
@@ -144,13 +138,13 @@ void hd64461_outsl(unsigned long port, const void *buffer, unsigned long count)
 	while(count--) *addr=*buf++;
 }
 
-unsigned short hd64461_readw(unsigned long addr)
+unsigned short hd64461_readw(void __iomem *addr)
 {
-	return *(volatile unsigned short*)(MEM_BASE+addr);
+	return ctrl_inw(MEM_BASE+(unsigned long __force)addr);
 }
 
-void hd64461_writew(unsigned short b, unsigned long addr)
+void hd64461_writew(unsigned short b, void __iomem *addr)
 {
-	*(volatile unsigned short*)(MEM_BASE+addr) = b;
+	ctrl_outw(b, MEM_BASE+(unsigned long __force)addr);
 }
 
diff --git a/arch/sh/cchips/hd6446x/hd64461/setup.c b/arch/sh/cchips/hd6446x/hd64461/setup.c
index ad126016720f..38f1e8171a3a 100644
--- a/arch/sh/cchips/hd6446x/hd64461/setup.c
+++ b/arch/sh/cchips/hd6446x/hd64461/setup.c
@@ -11,36 +11,28 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <linux/irq.h>
-
 #include <asm/io.h>
 #include <asm/irq.h>
-
-#include <asm/hd64461/hd64461.h>
+#include <asm/hd64461.h>
 
 static void disable_hd64461_irq(unsigned int irq)
 {
-	unsigned long flags;
 	unsigned short nimr;
 	unsigned short mask = 1 << (irq - HD64461_IRQBASE);
 
-	local_irq_save(flags);
 	nimr = inw(HD64461_NIMR);
 	nimr |= mask;
 	outw(nimr, HD64461_NIMR);
-	local_irq_restore(flags);
 }
 
 static void enable_hd64461_irq(unsigned int irq)
 {
-	unsigned long flags;
 	unsigned short nimr;
 	unsigned short mask = 1 << (irq - HD64461_IRQBASE);
 
-	local_irq_save(flags);
 	nimr = inw(HD64461_NIMR);
 	nimr &= ~mask;
 	outw(nimr, HD64461_NIMR);
-	local_irq_restore(flags);
 }
 
 static void mask_and_ack_hd64461(unsigned int irq)
diff --git a/arch/sh/cchips/hd6446x/hd64465/setup.c b/arch/sh/cchips/hd6446x/hd64465/setup.c
index d2b2851bc44b..30573d3e1966 100644
--- a/arch/sh/cchips/hd6446x/hd64465/setup.c
+++ b/arch/sh/cchips/hd6446x/hd64465/setup.c
@@ -25,31 +25,25 @@
 
 static void disable_hd64465_irq(unsigned int irq)
 {
-	unsigned long flags;
 	unsigned short nimr;
 	unsigned short mask = 1 << (irq - HD64465_IRQ_BASE);
 
     	pr_debug("disable_hd64465_irq(%d): mask=%x\n", irq, mask);
-	local_irq_save(flags);
 	nimr = inw(HD64465_REG_NIMR);
 	nimr |= mask;
 	outw(nimr, HD64465_REG_NIMR);
-	local_irq_restore(flags);
 }
 
 
 static void enable_hd64465_irq(unsigned int irq)
 {
-	unsigned long flags;
 	unsigned short nimr;
 	unsigned short mask = 1 << (irq - HD64465_IRQ_BASE);
 
     	pr_debug("enable_hd64465_irq(%d): mask=%x\n", irq, mask);
-	local_irq_save(flags);
 	nimr = inw(HD64465_REG_NIMR);
 	nimr &= ~mask;
 	outw(nimr, HD64465_REG_NIMR);
-	local_irq_restore(flags);
 }
 
 
diff --git a/arch/sh/cchips/voyagergx/irq.c b/arch/sh/cchips/voyagergx/irq.c
index 0dc1fb8f9687..392c8b12ce36 100644
--- a/arch/sh/cchips/voyagergx/irq.c
+++ b/arch/sh/cchips/voyagergx/irq.c
@@ -32,37 +32,30 @@
 
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/rts7751r2d/rts7751r2d.h>
-#include <asm/rts7751r2d/voyagergx_reg.h>
+#include <asm/voyagergx.h>
 
 static void disable_voyagergx_irq(unsigned int irq)
 {
-	unsigned long flags, val;
-	unsigned long  mask = 1 << (irq - VOYAGER_IRQ_BASE);
+	unsigned long val;
+	unsigned long mask = 1 << (irq - VOYAGER_IRQ_BASE);
 
     	pr_debug("disable_voyagergx_irq(%d): mask=%x\n", irq, mask);
-	local_irq_save(flags);
         val = inl(VOYAGER_INT_MASK);
         val &= ~mask;
         outl(val, VOYAGER_INT_MASK);
-	local_irq_restore(flags);
 }
 
-
 static void enable_voyagergx_irq(unsigned int irq)
 {
-        unsigned long flags, val;
-        unsigned long  mask = 1 << (irq - VOYAGER_IRQ_BASE);
+        unsigned long val;
+        unsigned long mask = 1 << (irq - VOYAGER_IRQ_BASE);
 
         pr_debug("disable_voyagergx_irq(%d): mask=%x\n", irq, mask);
-        local_irq_save(flags);
         val = inl(VOYAGER_INT_MASK);
         val |= mask;
         outl(val, VOYAGER_INT_MASK);
-        local_irq_restore(flags);
 }
 
-
 static void mask_and_ack_voyagergx(unsigned int irq)
 {
 	disable_voyagergx_irq(irq);
@@ -95,7 +88,8 @@ static struct hw_interrupt_type voyagergx_irq_type = {
 	.end = end_voyagergx_irq,
 };
 
-static irqreturn_t voyagergx_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t voyagergx_interrupt(int irq, void *dev_id,
+				      struct pt_regs *regs)
 {
 	printk(KERN_INFO
 	       "VoyagerGX: spurious interrupt, status: 0x%x\n",
@@ -103,9 +97,6 @@ static irqreturn_t voyagergx_interrupt(int irq, void *dev_id, struct pt_regs *re
 	return IRQ_HANDLED;
 }
 
-
-/*====================================================*/
-
 static struct {
 	int (*func)(int, void *);
 	void *dev;
diff --git a/arch/sh/cchips/voyagergx/setup.c b/arch/sh/cchips/voyagergx/setup.c
index 139ca88ac9e6..66b2fedd7ad9 100644
--- a/arch/sh/cchips/voyagergx/setup.c
+++ b/arch/sh/cchips/voyagergx/setup.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <asm/io.h>
-#include <asm/rts7751r2d/voyagergx_reg.h>
+#include <asm/voyagergx.h>
 
 static int __init setup_voyagergx(void)
 {
diff --git a/arch/sh/configs/landisk_defconfig b/arch/sh/configs/landisk_defconfig
new file mode 100644
index 000000000000..6b43316d03cf
--- /dev/null
+++ b/arch/sh/configs/landisk_defconfig
@@ -0,0 +1,1373 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.13-sh
+# Sun Sep 11 13:00:46 2005
+#
+CONFIG_SUPERH=y
+CONFIG_UID16=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_IOMAP=y
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_CLEAN_COMPILE=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+CONFIG_SYSCTL=y
+# CONFIG_AUDIT is not set
+CONFIG_HOTPLUG=y
+CONFIG_KOBJECT_UEVENT=y
+# CONFIG_IKCONFIG is not set
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_EMBEDDED is not set
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_EXTRA_PASS=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SHMEM=y
+CONFIG_CC_ALIGN_FUNCTIONS=0
+CONFIG_CC_ALIGN_LABELS=0
+CONFIG_CC_ALIGN_LOOPS=0
+CONFIG_CC_ALIGN_JUMPS=0
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+
+#
+# Loadable module support
+#
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_OBSOLETE_MODPARM=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+
+#
+# System type
+#
+# CONFIG_SH_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SOLUTION_ENGINE is not set
+# CONFIG_SH_7300_SOLUTION_ENGINE is not set
+# CONFIG_SH_73180_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SYSTEMH is not set
+# CONFIG_SH_STB1_HARP is not set
+# CONFIG_SH_STB1_OVERDRIVE is not set
+# CONFIG_SH_HP6XX is not set
+# CONFIG_SH_CQREEK is not set
+# CONFIG_SH_DMIDA is not set
+# CONFIG_SH_EC3104 is not set
+# CONFIG_SH_SATURN is not set
+# CONFIG_SH_DREAMCAST is not set
+# CONFIG_SH_CAT68701 is not set
+# CONFIG_SH_BIGSUR is not set
+# CONFIG_SH_SH2000 is not set
+# CONFIG_SH_ADX is not set
+# CONFIG_SH_MPC1211 is not set
+# CONFIG_SH_SH03 is not set
+# CONFIG_SH_SECUREEDGE5410 is not set
+# CONFIG_SH_HS7751RVOIP is not set
+# CONFIG_SH_RTS7751R2D is not set
+# CONFIG_SH_EDOSK7705 is not set
+# CONFIG_SH_SH4202_MICRODEV is not set
+CONFIG_SH_LANDISK=y
+# CONFIG_SH_TITAN is not set
+# CONFIG_SH_UNKNOWN is not set
+
+#
+# Processor selection
+#
+CONFIG_CPU_SH4=y
+
+#
+# SH-2 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7604 is not set
+
+#
+# SH-3 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+
+#
+# SH-4 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+CONFIG_CPU_SUBTYPE_SH7751=y
+CONFIG_CPU_SUBTYPE_SH7751R=y
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+
+#
+# ST40 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
+# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
+
+#
+# SH-4A Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+
+#
+# Memory management options
+#
+CONFIG_MMU=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+
+#
+# Cache configuration
+#
+# CONFIG_SH_DIRECT_MAPPED is not set
+# CONFIG_SH_WRITETHROUGH is not set
+# CONFIG_SH_OCRAM is not set
+CONFIG_MEMORY_START=0x0c000000
+CONFIG_MEMORY_SIZE=0x04000000
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_SH_FPU=y
+# CONFIG_SH_STORE_QUEUES is not set
+
+#
+# Timer support
+#
+CONFIG_SH_TMU=y
+CONFIG_SH_PCLK_FREQ_BOOL=y
+CONFIG_SH_PCLK_FREQ=33333333
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+CONFIG_SH_DMA=y
+CONFIG_NR_ONCHIP_DMA_CHANNELS=4
+# CONFIG_NR_DMA_CHANNELS_BOOL is not set
+
+#
+# Companion Chips
+#
+# CONFIG_HD6446X_SERIES is not set
+CONFIG_HEARTBEAT=y
+
+#
+# Kernel features
+#
+CONFIG_KEXEC=y
+# CONFIG_PREEMPT is not set
+# CONFIG_SMP is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x00800000
+# CONFIG_UBC_WAKEUP is not set
+# CONFIG_CMDLINE_BOOL is not set
+
+#
+# Bus options
+#
+CONFIG_ISA=y
+CONFIG_PCI=y
+CONFIG_SH_PCIDMA_NONCOHERENT=y
+CONFIG_PCI_AUTO=y
+CONFIG_PCI_AUTO_UPDATE_RESOURCES=y
+CONFIG_PCI_LEGACY_PROC=y
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+CONFIG_PCCARD=y
+# CONFIG_PCMCIA_DEBUG is not set
+CONFIG_PCMCIA=y
+CONFIG_PCMCIA_LOAD_CIS=y
+CONFIG_PCMCIA_IOCTL=y
+CONFIG_CARDBUS=y
+
+#
+# PC-card bridges
+#
+CONFIG_YENTA=y
+# CONFIG_PD6729 is not set
+# CONFIG_I82092 is not set
+# CONFIG_I82365 is not set
+# CONFIG_TCIC is not set
+CONFIG_PCMCIA_PROBE=y
+CONFIG_PCCARD_NONSTATIC=y
+
+#
+# PCI Hotplug Support
+#
+# CONFIG_HOTPLUG_PCI is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_FLAT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_MULTIPLE_TABLES is not set
+# CONFIG_IP_ROUTE_MULTIPATH is not set
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+
+#
+# IP: Virtual Server Configuration
+#
+# CONFIG_IP_VS is not set
+# CONFIG_IPV6 is not set
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+# CONFIG_NETFILTER_NETLINK is not set
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_IP_NF_CONNTRACK=m
+CONFIG_IP_NF_CT_ACCT=y
+CONFIG_IP_NF_CONNTRACK_MARK=y
+# CONFIG_IP_NF_CONNTRACK_EVENTS is not set
+# CONFIG_IP_NF_CT_PROTO_SCTP is not set
+CONFIG_IP_NF_FTP=m
+CONFIG_IP_NF_IRC=m
+# CONFIG_IP_NF_NETBIOS_NS is not set
+CONFIG_IP_NF_TFTP=m
+CONFIG_IP_NF_AMANDA=m
+# CONFIG_IP_NF_PPTP is not set
+CONFIG_IP_NF_QUEUE=m
+CONFIG_IP_NF_IPTABLES=m
+CONFIG_IP_NF_MATCH_LIMIT=m
+CONFIG_IP_NF_MATCH_IPRANGE=m
+CONFIG_IP_NF_MATCH_MAC=m
+CONFIG_IP_NF_MATCH_PKTTYPE=m
+CONFIG_IP_NF_MATCH_MARK=m
+CONFIG_IP_NF_MATCH_MULTIPORT=m
+CONFIG_IP_NF_MATCH_TOS=m
+CONFIG_IP_NF_MATCH_RECENT=m
+CONFIG_IP_NF_MATCH_ECN=m
+CONFIG_IP_NF_MATCH_DSCP=m
+CONFIG_IP_NF_MATCH_AH_ESP=m
+CONFIG_IP_NF_MATCH_LENGTH=m
+CONFIG_IP_NF_MATCH_TTL=m
+CONFIG_IP_NF_MATCH_TCPMSS=m
+CONFIG_IP_NF_MATCH_HELPER=m
+CONFIG_IP_NF_MATCH_STATE=m
+CONFIG_IP_NF_MATCH_CONNTRACK=m
+CONFIG_IP_NF_MATCH_OWNER=m
+CONFIG_IP_NF_MATCH_ADDRTYPE=m
+CONFIG_IP_NF_MATCH_REALM=m
+CONFIG_IP_NF_MATCH_SCTP=m
+# CONFIG_IP_NF_MATCH_DCCP is not set
+CONFIG_IP_NF_MATCH_COMMENT=m
+CONFIG_IP_NF_MATCH_CONNMARK=m
+# CONFIG_IP_NF_MATCH_CONNBYTES is not set
+CONFIG_IP_NF_MATCH_HASHLIMIT=m
+# CONFIG_IP_NF_MATCH_STRING is not set
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_LOG=m
+CONFIG_IP_NF_TARGET_ULOG=m
+CONFIG_IP_NF_TARGET_TCPMSS=m
+# CONFIG_IP_NF_TARGET_NFQUEUE is not set
+CONFIG_IP_NF_NAT=m
+CONFIG_IP_NF_NAT_NEEDED=y
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+CONFIG_IP_NF_TARGET_REDIRECT=m
+CONFIG_IP_NF_TARGET_NETMAP=m
+CONFIG_IP_NF_TARGET_SAME=m
+# CONFIG_IP_NF_NAT_SNMP_BASIC is not set
+CONFIG_IP_NF_NAT_IRC=m
+CONFIG_IP_NF_NAT_FTP=m
+CONFIG_IP_NF_NAT_TFTP=m
+CONFIG_IP_NF_NAT_AMANDA=m
+CONFIG_IP_NF_MANGLE=m
+CONFIG_IP_NF_TARGET_TOS=m
+CONFIG_IP_NF_TARGET_ECN=m
+CONFIG_IP_NF_TARGET_DSCP=m
+CONFIG_IP_NF_TARGET_MARK=m
+CONFIG_IP_NF_TARGET_CLASSIFY=m
+# CONFIG_IP_NF_TARGET_TTL is not set
+CONFIG_IP_NF_TARGET_CONNMARK=m
+# CONFIG_IP_NF_TARGET_CLUSTERIP is not set
+CONFIG_IP_NF_RAW=m
+CONFIG_IP_NF_TARGET_NOTRACK=m
+CONFIG_IP_NF_ARPTABLES=m
+CONFIG_IP_NF_ARPFILTER=m
+CONFIG_IP_NF_ARP_MANGLE=m
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+CONFIG_LLC=m
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+CONFIG_ATALK=m
+# CONFIG_DEV_APPLETALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+CONFIG_NET_CLS_ROUTE=y
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
+#
+# Memory Technology Devices (MTD)
+#
+# CONFIG_MTD is not set
+
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
+#
+# Plug and Play support
+#
+# CONFIG_PNP is not set
+
+#
+# Block devices
+#
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_SX8 is not set
+# CONFIG_BLK_DEV_UB is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_LBD is not set
+# CONFIG_CDROM_PKTCDVD is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_ATA_OVER_ETH is not set
+
+#
+# ATA/ATAPI/MFM/RLL support
+#
+CONFIG_IDE=y
+CONFIG_IDE_MAX_HWIFS=4
+CONFIG_BLK_DEV_IDE=y
+
+#
+# Please see Documentation/ide.txt for help/info on IDE drives
+#
+# CONFIG_BLK_DEV_IDE_SATA is not set
+CONFIG_BLK_DEV_IDEDISK=y
+# CONFIG_IDEDISK_MULTI_MODE is not set
+# CONFIG_BLK_DEV_IDECS is not set
+CONFIG_BLK_DEV_IDECD=y
+# CONFIG_BLK_DEV_IDETAPE is not set
+# CONFIG_BLK_DEV_IDEFLOPPY is not set
+CONFIG_BLK_DEV_IDESCSI=y
+# CONFIG_IDE_TASK_IOCTL is not set
+
+#
+# IDE chipset support/bugfixes
+#
+CONFIG_IDE_GENERIC=y
+CONFIG_BLK_DEV_IDEPCI=y
+CONFIG_IDEPCI_SHARE_IRQ=y
+CONFIG_BLK_DEV_OFFBOARD=y
+CONFIG_BLK_DEV_GENERIC=y
+# CONFIG_BLK_DEV_OPTI621 is not set
+CONFIG_BLK_DEV_IDEDMA_PCI=y
+# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
+CONFIG_IDEDMA_PCI_AUTO=y
+CONFIG_IDEDMA_ONLYDISK=y
+CONFIG_BLK_DEV_AEC62XX=y
+# CONFIG_BLK_DEV_ALI15X3 is not set
+# CONFIG_BLK_DEV_AMD74XX is not set
+# CONFIG_BLK_DEV_CMD64X is not set
+# CONFIG_BLK_DEV_TRIFLEX is not set
+# CONFIG_BLK_DEV_CY82C693 is not set
+# CONFIG_BLK_DEV_CS5520 is not set
+# CONFIG_BLK_DEV_CS5530 is not set
+# CONFIG_BLK_DEV_HPT34X is not set
+# CONFIG_BLK_DEV_HPT366 is not set
+# CONFIG_BLK_DEV_SC1200 is not set
+# CONFIG_BLK_DEV_PIIX is not set
+# CONFIG_BLK_DEV_IT821X is not set
+# CONFIG_BLK_DEV_NS87415 is not set
+# CONFIG_BLK_DEV_PDC202XX_OLD is not set
+# CONFIG_BLK_DEV_PDC202XX_NEW is not set
+# CONFIG_BLK_DEV_SVWKS is not set
+# CONFIG_BLK_DEV_SIIMAGE is not set
+# CONFIG_BLK_DEV_SLC90E66 is not set
+# CONFIG_BLK_DEV_TRM290 is not set
+# CONFIG_BLK_DEV_VIA82CXXX is not set
+CONFIG_IDE_SH=y
+# CONFIG_IDE_ARM is not set
+# CONFIG_IDE_CHIPSETS is not set
+CONFIG_BLK_DEV_IDEDMA=y
+# CONFIG_IDEDMA_IVB is not set
+CONFIG_IDEDMA_AUTO=y
+# CONFIG_BLK_DEV_HD is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+CONFIG_SCSI_MULTI_LUN=y
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+
+#
+# SCSI Transport Attributes
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_ATTRS is not set
+
+#
+# SCSI low-level drivers
+#
+# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_ACARD is not set
+# CONFIG_SCSI_AHA152X is not set
+# CONFIG_SCSI_AACRAID is not set
+# CONFIG_SCSI_AIC7XXX is not set
+# CONFIG_SCSI_AIC7XXX_OLD is not set
+# CONFIG_SCSI_AIC79XX is not set
+# CONFIG_SCSI_DPT_I2O is not set
+# CONFIG_SCSI_IN2000 is not set
+# CONFIG_MEGARAID_NEWGEN is not set
+# CONFIG_MEGARAID_LEGACY is not set
+# CONFIG_MEGARAID_SAS is not set
+# CONFIG_SCSI_SATA is not set
+# CONFIG_SCSI_DMX3191D is not set
+# CONFIG_SCSI_DTC3280 is not set
+# CONFIG_SCSI_FUTURE_DOMAIN is not set
+# CONFIG_SCSI_GENERIC_NCR5380 is not set
+# CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set
+# CONFIG_SCSI_IPS is not set
+# CONFIG_SCSI_INITIO is not set
+# CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_NCR53C406A is not set
+# CONFIG_SCSI_SYM53C8XX_2 is not set
+# CONFIG_SCSI_IPR is not set
+# CONFIG_SCSI_PAS16 is not set
+# CONFIG_SCSI_PSI240I is not set
+# CONFIG_SCSI_QLOGIC_FAS is not set
+# CONFIG_SCSI_QLOGIC_FC is not set
+# CONFIG_SCSI_QLOGIC_1280 is not set
+CONFIG_SCSI_QLA2XXX=y
+# CONFIG_SCSI_QLA21XX is not set
+# CONFIG_SCSI_QLA22XX is not set
+# CONFIG_SCSI_QLA2300 is not set
+# CONFIG_SCSI_QLA2322 is not set
+# CONFIG_SCSI_QLA6312 is not set
+# CONFIG_SCSI_QLA24XX is not set
+# CONFIG_SCSI_LPFC is not set
+# CONFIG_SCSI_SYM53C416 is not set
+# CONFIG_SCSI_DC395x is not set
+# CONFIG_SCSI_DC390T is not set
+# CONFIG_SCSI_T128 is not set
+# CONFIG_SCSI_NSP32 is not set
+# CONFIG_SCSI_DEBUG is not set
+
+#
+# PCMCIA SCSI adapter support
+#
+# CONFIG_PCMCIA_AHA152X is not set
+# CONFIG_PCMCIA_FDOMAIN is not set
+# CONFIG_PCMCIA_NINJA_SCSI is not set
+# CONFIG_PCMCIA_QLOGIC is not set
+# CONFIG_PCMCIA_SYM53C500 is not set
+
+#
+# Old CD-ROM drivers (not SCSI, not IDE)
+#
+# CONFIG_CD_NO_IDESCSI is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+CONFIG_MD=y
+CONFIG_BLK_DEV_MD=m
+CONFIG_MD_LINEAR=m
+CONFIG_MD_RAID0=m
+CONFIG_MD_RAID1=m
+# CONFIG_MD_RAID10 is not set
+# CONFIG_MD_RAID5 is not set
+# CONFIG_MD_RAID6 is not set
+# CONFIG_MD_MULTIPATH is not set
+# CONFIG_MD_FAULTY is not set
+# CONFIG_BLK_DEV_DM is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+# CONFIG_FUSION_SPI is not set
+# CONFIG_FUSION_FC is not set
+# CONFIG_FUSION_SAS is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+# CONFIG_IEEE1394 is not set
+
+#
+# I2O device support
+#
+# CONFIG_I2O is not set
+
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+CONFIG_TUN=m
+
+#
+# ARCnet devices
+#
+# CONFIG_ARCNET is not set
+
+#
+# PHY device support
+#
+# CONFIG_PHYLIB is not set
+
+#
+# Ethernet (10 or 100Mbit)
+#
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_STNIC is not set
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_NET_VENDOR_SMC is not set
+# CONFIG_SMC91X is not set
+# CONFIG_NET_VENDOR_RACAL is not set
+
+#
+# Tulip family network device support
+#
+# CONFIG_NET_TULIP is not set
+# CONFIG_AT1700 is not set
+# CONFIG_DEPCA is not set
+# CONFIG_HP100 is not set
+# CONFIG_NET_ISA is not set
+# CONFIG_NE2000 is not set
+CONFIG_NET_PCI=y
+# CONFIG_PCNET32 is not set
+# CONFIG_AMD8111_ETH is not set
+# CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_AC3200 is not set
+# CONFIG_APRICOT is not set
+# CONFIG_B44 is not set
+# CONFIG_FORCEDETH is not set
+# CONFIG_CS89x0 is not set
+# CONFIG_DGRS is not set
+# CONFIG_EEPRO100 is not set
+# CONFIG_E100 is not set
+# CONFIG_FEALNX is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NE2K_PCI is not set
+CONFIG_8139CP=y
+# CONFIG_8139TOO is not set
+# CONFIG_SIS900 is not set
+# CONFIG_EPIC100 is not set
+# CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
+# CONFIG_VIA_RHINE is not set
+
+#
+# Ethernet (1000 Mbit)
+#
+# CONFIG_ACENIC is not set
+# CONFIG_DL2K is not set
+# CONFIG_E1000 is not set
+# CONFIG_NS83820 is not set
+# CONFIG_HAMACHI is not set
+# CONFIG_YELLOWFIN is not set
+# CONFIG_R8169 is not set
+# CONFIG_SIS190 is not set
+# CONFIG_SKGE is not set
+# CONFIG_SK98LIN is not set
+# CONFIG_VIA_VELOCITY is not set
+# CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
+
+#
+# Ethernet (10000 Mbit)
+#
+# CONFIG_CHELSIO_T1 is not set
+# CONFIG_IXGB is not set
+# CONFIG_S2IO is not set
+
+#
+# Token Ring devices
+#
+# CONFIG_TR is not set
+
+#
+# Wireless LAN (non-hamradio)
+#
+# CONFIG_NET_RADIO is not set
+
+#
+# PCMCIA network device support
+#
+# CONFIG_NET_PCMCIA is not set
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+# CONFIG_FDDI is not set
+# CONFIG_HIPPI is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NET_FC is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+
+#
+# Telephony Support
+#
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+
+#
+# Watchdog Cards
+#
+# CONFIG_WATCHDOG is not set
+# CONFIG_RTC is not set
+CONFIG_RS5C313_RTC=y
+# CONFIG_GEN_RTC is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_DRM is not set
+
+#
+# PCMCIA character devices
+#
+# CONFIG_SYNCLINK_CS is not set
+# CONFIG_RAW_DRIVER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+
+#
+# I2C support
+#
+# CONFIG_I2C is not set
+
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Misc devices
+#
+
+#
+# Multimedia Capabilities Port drivers
+#
+
+#
+# Multimedia devices
+#
+CONFIG_VIDEO_DEV=m
+
+#
+# Video For Linux
+#
+
+#
+# Video Adapters
+#
+# CONFIG_VIDEO_PMS is not set
+# CONFIG_VIDEO_CPIA is not set
+# CONFIG_VIDEO_STRADIS is not set
+# CONFIG_VIDEO_MXB is not set
+# CONFIG_VIDEO_DPC is not set
+# CONFIG_VIDEO_HEXIUM_ORION is not set
+# CONFIG_VIDEO_HEXIUM_GEMINI is not set
+
+#
+# Radio Adapters
+#
+# CONFIG_RADIO_CADET is not set
+# CONFIG_RADIO_RTRACK is not set
+# CONFIG_RADIO_RTRACK2 is not set
+# CONFIG_RADIO_AZTECH is not set
+# CONFIG_RADIO_GEMTEK is not set
+# CONFIG_RADIO_GEMTEK_PCI is not set
+# CONFIG_RADIO_MAXIRADIO is not set
+# CONFIG_RADIO_MAESTRO is not set
+# CONFIG_RADIO_SF16FMI is not set
+# CONFIG_RADIO_SF16FMR2 is not set
+# CONFIG_RADIO_TERRATEC is not set
+# CONFIG_RADIO_TRUST is not set
+# CONFIG_RADIO_TYPHOON is not set
+# CONFIG_RADIO_ZOLTRIX is not set
+
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+
+#
+# Graphics support
+#
+# CONFIG_FB is not set
+
+#
+# Console display driver support
+#
+# CONFIG_MDA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FONT_8x16=y
+
+#
+# Sound
+#
+CONFIG_SOUND=m
+
+#
+# Advanced Linux Sound Architecture
+#
+# CONFIG_SND is not set
+
+#
+# Open Sound System
+#
+CONFIG_SOUND_PRIME=m
+# CONFIG_SOUND_BT878 is not set
+# CONFIG_SOUND_CMPCI is not set
+# CONFIG_SOUND_EMU10K1 is not set
+# CONFIG_SOUND_FUSION is not set
+# CONFIG_SOUND_CS4281 is not set
+# CONFIG_SOUND_ES1370 is not set
+# CONFIG_SOUND_ES1371 is not set
+# CONFIG_SOUND_ESSSOLO1 is not set
+# CONFIG_SOUND_MAESTRO is not set
+# CONFIG_SOUND_MAESTRO3 is not set
+# CONFIG_SOUND_ICH is not set
+# CONFIG_SOUND_SONICVIBES is not set
+# CONFIG_SOUND_TRIDENT is not set
+# CONFIG_SOUND_MSNDCLAS is not set
+# CONFIG_SOUND_MSNDPIN is not set
+# CONFIG_SOUND_VIA82CXXX is not set
+# CONFIG_SOUND_ALI5455 is not set
+# CONFIG_SOUND_FORTE is not set
+# CONFIG_SOUND_RME96XX is not set
+# CONFIG_SOUND_AD1980 is not set
+
+#
+# USB support
+#
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+# CONFIG_USB_BANDWIDTH is not set
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+
+#
+# USB Host Controller Drivers
+#
+CONFIG_USB_EHCI_HCD=y
+# CONFIG_USB_EHCI_SPLIT_ISO is not set
+# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
+# CONFIG_USB_ISP116X_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_UHCI_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+
+#
+# USB Device Class drivers
+#
+CONFIG_OBSOLETE_OSS_USB_DRIVER=y
+CONFIG_USB_AUDIO=m
+# CONFIG_USB_BLUETOOTH_TTY is not set
+CONFIG_USB_MIDI=m
+# CONFIG_USB_ACM is not set
+CONFIG_USB_PRINTER=m
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=m
+# CONFIG_USB_STORAGE_DEBUG is not set
+CONFIG_USB_STORAGE_DATAFAB=y
+CONFIG_USB_STORAGE_FREECOM=y
+CONFIG_USB_STORAGE_ISD200=y
+CONFIG_USB_STORAGE_DPCM=y
+# CONFIG_USB_STORAGE_USBAT is not set
+CONFIG_USB_STORAGE_SDDR09=y
+CONFIG_USB_STORAGE_SDDR55=y
+CONFIG_USB_STORAGE_JUMPSHOT=y
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=m
+CONFIG_USB_HIDINPUT=y
+# CONFIG_HID_FF is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+# CONFIG_USB_AIPTEK is not set
+# CONFIG_USB_WACOM is not set
+# CONFIG_USB_ACECAD is not set
+# CONFIG_USB_KBTAB is not set
+# CONFIG_USB_POWERMATE is not set
+# CONFIG_USB_MTOUCH is not set
+# CONFIG_USB_ITMTOUCH is not set
+# CONFIG_USB_EGALAX is not set
+# CONFIG_USB_YEALINK is not set
+# CONFIG_USB_XPAD is not set
+# CONFIG_USB_ATI_REMOTE is not set
+# CONFIG_USB_KEYSPAN_REMOTE is not set
+# CONFIG_USB_APPLETOUCH is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB Multimedia devices
+#
+CONFIG_USB_DABUSB=m
+CONFIG_USB_VICAM=m
+CONFIG_USB_DSBR=m
+CONFIG_USB_IBMCAM=m
+CONFIG_USB_KONICAWC=m
+CONFIG_USB_OV511=m
+CONFIG_USB_SE401=m
+CONFIG_USB_SN9C102=m
+CONFIG_USB_STV680=m
+CONFIG_USB_PWC=m
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+CONFIG_USB_PEGASUS=m
+CONFIG_USB_RTL8150=m
+# CONFIG_USB_USBNET is not set
+CONFIG_USB_MON=y
+
+#
+# USB port drivers
+#
+
+#
+# USB Serial Converter support
+#
+CONFIG_USB_SERIAL=m
+# CONFIG_USB_SERIAL_GENERIC is not set
+# CONFIG_USB_SERIAL_AIRPRIME is not set
+# CONFIG_USB_SERIAL_BELKIN is not set
+# CONFIG_USB_SERIAL_WHITEHEAT is not set
+# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
+# CONFIG_USB_SERIAL_CP2101 is not set
+# CONFIG_USB_SERIAL_CYPRESS_M8 is not set
+# CONFIG_USB_SERIAL_EMPEG is not set
+CONFIG_USB_SERIAL_FTDI_SIO=m
+# CONFIG_USB_SERIAL_VISOR is not set
+# CONFIG_USB_SERIAL_IPAQ is not set
+# CONFIG_USB_SERIAL_IR is not set
+# CONFIG_USB_SERIAL_EDGEPORT is not set
+# CONFIG_USB_SERIAL_EDGEPORT_TI is not set
+# CONFIG_USB_SERIAL_GARMIN is not set
+# CONFIG_USB_SERIAL_IPW is not set
+# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set
+# CONFIG_USB_SERIAL_KEYSPAN is not set
+# CONFIG_USB_SERIAL_KLSI is not set
+# CONFIG_USB_SERIAL_KOBIL_SCT is not set
+# CONFIG_USB_SERIAL_MCT_U232 is not set
+CONFIG_USB_SERIAL_PL2303=m
+# CONFIG_USB_SERIAL_HP4X is not set
+# CONFIG_USB_SERIAL_SAFE is not set
+# CONFIG_USB_SERIAL_TI is not set
+# CONFIG_USB_SERIAL_CYBERJACK is not set
+# CONFIG_USB_SERIAL_XIRCOM is not set
+# CONFIG_USB_SERIAL_OPTION is not set
+# CONFIG_USB_SERIAL_OMNINET is not set
+
+#
+# USB Miscellaneous drivers
+#
+CONFIG_USB_EMI62=m
+CONFIG_USB_EMI26=m
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGETKIT is not set
+# CONFIG_USB_PHIDGETSERVO is not set
+# CONFIG_USB_IDMOUSE is not set
+CONFIG_USB_SISUSBVGA=m
+CONFIG_USB_SISUSBVGA_CON=y
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TEST is not set
+
+#
+# USB DSL modem support
+#
+
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+
+#
+# MMC/SD Card support
+#
+# CONFIG_MMC is not set
+
+#
+# InfiniBand support
+#
+# CONFIG_INFINIBAND is not set
+
+#
+# SN Devices
+#
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+CONFIG_REISERFS_FS=y
+# CONFIG_REISERFS_CHECK is not set
+# CONFIG_REISERFS_PROC_INFO is not set
+# CONFIG_REISERFS_FS_XATTR is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_MINIX_FS is not set
+CONFIG_ROMFS_FS=y
+CONFIG_INOTIFY=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=m
+# CONFIG_JOLIET is not set
+# CONFIG_ZISOFS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+CONFIG_NTFS_FS=m
+# CONFIG_NTFS_DEBUG is not set
+CONFIG_NTFS_RW=y
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+# CONFIG_PROC_KCORE is not set
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+# CONFIG_RELAYFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+CONFIG_UFS_FS=m
+CONFIG_UFS_FS_WRITE=y
+
+#
+# Network File Systems
+#
+CONFIG_NFS_FS=m
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFS_DIRECTIO is not set
+CONFIG_NFSD=m
+CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
+# CONFIG_NFSD_V4 is not set
+CONFIG_NFSD_TCP=y
+CONFIG_LOCKD=m
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=m
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=m
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+
+#
+# Native Language Support
+#
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+CONFIG_NLS_CODEPAGE_932=y
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+# CONFIG_NLS_ISO8859_1 is not set
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Profiling support
+#
+# CONFIG_PROFILING is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+# CONFIG_DEBUG_KERNEL is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_FRAME_POINTER is not set
+CONFIG_SH_STANDARD_BIOS=y
+# CONFIG_EARLY_SCIF_CONSOLE is not set
+# CONFIG_EARLY_PRINTK is not set
+# CONFIG_KGDB is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+
+#
+# Cryptographic options
+#
+# CONFIG_CRYPTO is not set
+
+#
+# Hardware crypto devices
+#
+
+#
+# Library routines
+#
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC32=y
+# CONFIG_LIBCRC32C is not set
diff --git a/arch/sh/configs/r7780rp_defconfig b/arch/sh/configs/r7780rp_defconfig
new file mode 100644
index 000000000000..d597fc571549
--- /dev/null
+++ b/arch/sh/configs/r7780rp_defconfig
@@ -0,0 +1,1099 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.15-sh
+# Sat Jan  7 19:47:53 2006
+#
+CONFIG_SUPERH=y
+CONFIG_UID16=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_CLEAN_COMPILE=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+# CONFIG_POSIX_MQUEUE is not set
+CONFIG_BSD_PROCESS_ACCT=y
+# CONFIG_BSD_PROCESS_ACCT_V3 is not set
+CONFIG_SYSCTL=y
+# CONFIG_AUDIT is not set
+CONFIG_HOTPLUG=y
+CONFIG_KOBJECT_UEVENT=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EMBEDDED=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
+# CONFIG_FUTEX is not set
+# CONFIG_EPOLL is not set
+CONFIG_SHMEM=y
+CONFIG_CC_ALIGN_FUNCTIONS=0
+CONFIG_CC_ALIGN_LABELS=0
+CONFIG_CC_ALIGN_LOOPS=0
+CONFIG_CC_ALIGN_JUMPS=0
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+
+#
+# Loadable module support
+#
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+CONFIG_OBSOLETE_MODPARM=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+
+#
+# Block layer
+#
+# CONFIG_LBD is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+
+#
+# System type
+#
+# CONFIG_SH_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SOLUTION_ENGINE is not set
+# CONFIG_SH_7300_SOLUTION_ENGINE is not set
+# CONFIG_SH_73180_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SYSTEMH is not set
+# CONFIG_SH_STB1_HARP is not set
+# CONFIG_SH_STB1_OVERDRIVE is not set
+# CONFIG_SH_HP6XX is not set
+# CONFIG_SH_CQREEK is not set
+# CONFIG_SH_DMIDA is not set
+# CONFIG_SH_EC3104 is not set
+# CONFIG_SH_SATURN is not set
+# CONFIG_SH_DREAMCAST is not set
+# CONFIG_SH_CAT68701 is not set
+# CONFIG_SH_BIGSUR is not set
+# CONFIG_SH_SH2000 is not set
+# CONFIG_SH_ADX is not set
+# CONFIG_SH_MPC1211 is not set
+# CONFIG_SH_SH03 is not set
+# CONFIG_SH_SECUREEDGE5410 is not set
+# CONFIG_SH_HS7751RVOIP is not set
+# CONFIG_SH_RTS7751R2D is not set
+# CONFIG_SH_R77703DRP is not set
+CONFIG_SH_R7780RP=y
+# CONFIG_SH_EDOSK7705 is not set
+# CONFIG_SH_SH4202_MICRODEV is not set
+# CONFIG_SH_LANDISK is not set
+# CONFIG_SH_TITAN is not set
+# CONFIG_SH_UNKNOWN is not set
+
+#
+# Processor selection
+#
+CONFIG_CPU_SH4=y
+CONFIG_CPU_SH4A=y
+
+#
+# SH-2 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7604 is not set
+
+#
+# SH-3 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+
+#
+# SH-4 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+# CONFIG_CPU_SUBTYPE_SH7751R is not set
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+
+#
+# ST40 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
+# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
+
+#
+# SH-4A Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+CONFIG_CPU_SUBTYPE_SH7780=y
+
+#
+# Memory management options
+#
+CONFIG_MMU=y
+CONFIG_32BIT=y
+CONFIG_HUGETLB_PAGE_SIZE_64K=y
+# CONFIG_HUGETLB_PAGE_SIZE_1MB is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+
+#
+# Cache configuration
+#
+# CONFIG_SH_DIRECT_MAPPED is not set
+# CONFIG_SH_WRITETHROUGH is not set
+# CONFIG_SH_OCRAM is not set
+CONFIG_MEMORY_START=0x08000000
+CONFIG_MEMORY_SIZE=0x08000000
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_SH_FPU=y
+CONFIG_SH_STORE_QUEUES=y
+
+#
+# Timer support
+#
+CONFIG_SH_TMU=y
+CONFIG_SH_PCLK_FREQ_BOOL=y
+CONFIG_SH_PCLK_FREQ=32000000
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+CONFIG_SH_DMA=y
+CONFIG_NR_ONCHIP_DMA_CHANNELS=6
+# CONFIG_NR_DMA_CHANNELS_BOOL is not set
+
+#
+# Companion Chips
+#
+# CONFIG_HD6446X_SERIES is not set
+
+#
+# Kernel features
+#
+# CONFIG_KEXEC is not set
+CONFIG_PREEMPT=y
+# CONFIG_SMP is not set
+CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_INTC2_IRQ=y
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x00800000
+# CONFIG_UBC_WAKEUP is not set
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="mem=128M console=ttySC0,115200 root=/dev/hda1"
+
+#
+# Bus options
+#
+CONFIG_PCI=y
+CONFIG_SH_PCIDMA_NONCOHERENT=y
+CONFIG_PCI_AUTO=y
+CONFIG_PCI_AUTO_UPDATE_RESOURCES=y
+CONFIG_PCI_LEGACY_PROC=y
+# CONFIG_PCI_DEBUG is not set
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+# CONFIG_PCCARD is not set
+
+#
+# PCI Hotplug Support
+#
+CONFIG_HOTPLUG_PCI=y
+# CONFIG_HOTPLUG_PCI_FAKE is not set
+# CONFIG_HOTPLUG_PCI_CPCI is not set
+# CONFIG_HOTPLUG_PCI_SHPC is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_FLAT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_MULTIPLE_TABLES is not set
+# CONFIG_IP_ROUTE_MULTIPATH is not set
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_NETFILTER is not set
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+# CONFIG_ATM is not set
+CONFIG_BRIDGE=m
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=m
+# CONFIG_DEBUG_DRIVER is not set
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
+#
+# Memory Technology Devices (MTD)
+#
+# CONFIG_MTD is not set
+
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
+#
+# Plug and Play support
+#
+
+#
+# Block devices
+#
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+# CONFIG_BLK_DEV_UMEM is not set
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_SX8 is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+
+#
+# ATA/ATAPI/MFM/RLL support
+#
+CONFIG_IDE=m
+CONFIG_IDE_MAX_HWIFS=4
+CONFIG_BLK_DEV_IDE=m
+
+#
+# Please see Documentation/ide.txt for help/info on IDE drives
+#
+CONFIG_BLK_DEV_IDE_SATA=y
+CONFIG_BLK_DEV_IDEDISK=m
+CONFIG_IDEDISK_MULTI_MODE=y
+# CONFIG_BLK_DEV_IDECD is not set
+# CONFIG_BLK_DEV_IDETAPE is not set
+# CONFIG_BLK_DEV_IDEFLOPPY is not set
+CONFIG_BLK_DEV_IDESCSI=m
+# CONFIG_IDE_TASK_IOCTL is not set
+
+#
+# IDE chipset support/bugfixes
+#
+CONFIG_IDE_GENERIC=m
+CONFIG_BLK_DEV_IDEPCI=y
+CONFIG_IDEPCI_SHARE_IRQ=y
+# CONFIG_BLK_DEV_OFFBOARD is not set
+CONFIG_BLK_DEV_GENERIC=m
+# CONFIG_BLK_DEV_OPTI621 is not set
+CONFIG_BLK_DEV_IDEDMA_PCI=y
+# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
+CONFIG_IDEDMA_PCI_AUTO=y
+# CONFIG_IDEDMA_ONLYDISK is not set
+CONFIG_BLK_DEV_AEC62XX=m
+# CONFIG_BLK_DEV_ALI15X3 is not set
+# CONFIG_BLK_DEV_AMD74XX is not set
+# CONFIG_BLK_DEV_CMD64X is not set
+# CONFIG_BLK_DEV_TRIFLEX is not set
+# CONFIG_BLK_DEV_CY82C693 is not set
+# CONFIG_BLK_DEV_CS5520 is not set
+# CONFIG_BLK_DEV_CS5530 is not set
+# CONFIG_BLK_DEV_HPT34X is not set
+# CONFIG_BLK_DEV_HPT366 is not set
+# CONFIG_BLK_DEV_SC1200 is not set
+# CONFIG_BLK_DEV_PIIX is not set
+# CONFIG_BLK_DEV_IT821X is not set
+# CONFIG_BLK_DEV_NS87415 is not set
+# CONFIG_BLK_DEV_PDC202XX_OLD is not set
+CONFIG_BLK_DEV_PDC202XX_NEW=m
+# CONFIG_PDC202XX_FORCE is not set
+# CONFIG_BLK_DEV_SVWKS is not set
+CONFIG_BLK_DEV_SIIMAGE=m
+# CONFIG_BLK_DEV_SLC90E66 is not set
+# CONFIG_BLK_DEV_TRM290 is not set
+# CONFIG_BLK_DEV_VIA82CXXX is not set
+CONFIG_IDE_SH=y
+# CONFIG_IDE_ARM is not set
+CONFIG_BLK_DEV_IDEDMA=y
+# CONFIG_IDEDMA_IVB is not set
+CONFIG_IDEDMA_AUTO=y
+# CONFIG_BLK_DEV_HD is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=m
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=m
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+CONFIG_CHR_DEV_SG=m
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+
+#
+# SCSI Transport Attributes
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_ATTRS is not set
+
+#
+# SCSI low-level drivers
+#
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_ACARD is not set
+# CONFIG_SCSI_AACRAID is not set
+# CONFIG_SCSI_AIC7XXX is not set
+# CONFIG_SCSI_AIC7XXX_OLD is not set
+# CONFIG_SCSI_AIC79XX is not set
+# CONFIG_SCSI_DPT_I2O is not set
+# CONFIG_MEGARAID_NEWGEN is not set
+# CONFIG_MEGARAID_LEGACY is not set
+# CONFIG_MEGARAID_SAS is not set
+# CONFIG_SCSI_SATA is not set
+# CONFIG_SCSI_DMX3191D is not set
+# CONFIG_SCSI_FUTURE_DOMAIN is not set
+# CONFIG_SCSI_IPS is not set
+# CONFIG_SCSI_INITIO is not set
+# CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_SYM53C8XX_2 is not set
+# CONFIG_SCSI_IPR is not set
+# CONFIG_SCSI_QLOGIC_FC is not set
+# CONFIG_SCSI_QLOGIC_1280 is not set
+CONFIG_SCSI_QLA2XXX=m
+# CONFIG_SCSI_QLA21XX is not set
+# CONFIG_SCSI_QLA22XX is not set
+# CONFIG_SCSI_QLA2300 is not set
+# CONFIG_SCSI_QLA2322 is not set
+# CONFIG_SCSI_QLA6312 is not set
+# CONFIG_SCSI_QLA24XX is not set
+# CONFIG_SCSI_LPFC is not set
+# CONFIG_SCSI_DC395x is not set
+# CONFIG_SCSI_DC390T is not set
+# CONFIG_SCSI_NSP32 is not set
+# CONFIG_SCSI_DEBUG is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+# CONFIG_FUSION_SPI is not set
+# CONFIG_FUSION_FC is not set
+# CONFIG_FUSION_SAS is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+# CONFIG_IEEE1394 is not set
+
+#
+# I2O device support
+#
+# CONFIG_I2O is not set
+
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+
+#
+# ARCnet devices
+#
+# CONFIG_ARCNET is not set
+
+#
+# PHY device support
+#
+# CONFIG_PHYLIB is not set
+
+#
+# Ethernet (10 or 100Mbit)
+#
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_STNIC is not set
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+# CONFIG_CASSINI is not set
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_SMC91X is not set
+
+#
+# Tulip family network device support
+#
+# CONFIG_NET_TULIP is not set
+# CONFIG_HP100 is not set
+CONFIG_NE2000=y
+CONFIG_NET_PCI=y
+CONFIG_PCNET32=m
+# CONFIG_AMD8111_ETH is not set
+# CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_B44 is not set
+# CONFIG_FORCEDETH is not set
+# CONFIG_DGRS is not set
+# CONFIG_EEPRO100 is not set
+# CONFIG_E100 is not set
+# CONFIG_FEALNX is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NE2K_PCI is not set
+CONFIG_8139CP=m
+CONFIG_8139TOO=m
+# CONFIG_8139TOO_PIO is not set
+# CONFIG_8139TOO_TUNE_TWISTER is not set
+CONFIG_8139TOO_8129=y
+# CONFIG_8139_OLD_RX_RESET is not set
+# CONFIG_SIS900 is not set
+# CONFIG_EPIC100 is not set
+# CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
+CONFIG_VIA_RHINE=m
+CONFIG_VIA_RHINE_MMIO=y
+
+#
+# Ethernet (1000 Mbit)
+#
+# CONFIG_ACENIC is not set
+# CONFIG_DL2K is not set
+CONFIG_E1000=m
+# CONFIG_E1000_NAPI is not set
+# CONFIG_NS83820 is not set
+# CONFIG_HAMACHI is not set
+# CONFIG_YELLOWFIN is not set
+CONFIG_R8169=y
+# CONFIG_R8169_NAPI is not set
+# CONFIG_SIS190 is not set
+# CONFIG_SKGE is not set
+# CONFIG_SK98LIN is not set
+# CONFIG_VIA_VELOCITY is not set
+# CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
+
+#
+# Ethernet (10000 Mbit)
+#
+# CONFIG_CHELSIO_T1 is not set
+# CONFIG_IXGB is not set
+# CONFIG_S2IO is not set
+
+#
+# Token Ring devices
+#
+# CONFIG_TR is not set
+
+#
+# Wireless LAN (non-hamradio)
+#
+CONFIG_NET_RADIO=y
+
+#
+# Obsolete Wireless cards support (pre-802.11)
+#
+# CONFIG_STRIP is not set
+
+#
+# Wireless 802.11b ISA/PCI cards support
+#
+CONFIG_HERMES=m
+# CONFIG_PLX_HERMES is not set
+# CONFIG_TMD_HERMES is not set
+# CONFIG_NORTEL_HERMES is not set
+# CONFIG_PCI_HERMES is not set
+# CONFIG_ATMEL is not set
+
+#
+# Prism GT/Duette 802.11(a/b/g) PCI/Cardbus support
+#
+CONFIG_PRISM54=m
+# CONFIG_HOSTAP is not set
+CONFIG_NET_WIRELESS=y
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+# CONFIG_FDDI is not set
+# CONFIG_HIPPI is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NET_FC is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+
+#
+# Telephony Support
+#
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+# CONFIG_SERIO_I8042 is not set
+# CONFIG_SERIO_SERPORT is not set
+# CONFIG_SERIO_PCIPS2 is not set
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+
+#
+# Watchdog Cards
+#
+# CONFIG_WATCHDOG is not set
+# CONFIG_RTC is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_DRM is not set
+# CONFIG_RAW_DRIVER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
+
+#
+# I2C support
+#
+# CONFIG_I2C is not set
+
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Misc devices
+#
+
+#
+# Multimedia Capabilities Port drivers
+#
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+
+#
+# Graphics support
+#
+# CONFIG_FB is not set
+
+#
+# Sound
+#
+CONFIG_SOUND=m
+
+#
+# Advanced Linux Sound Architecture
+#
+# CONFIG_SND is not set
+
+#
+# Open Sound System
+#
+CONFIG_SOUND_PRIME=m
+# CONFIG_OBSOLETE_OSS_DRIVER is not set
+# CONFIG_SOUND_FUSION is not set
+# CONFIG_SOUND_ICH is not set
+# CONFIG_SOUND_TRIDENT is not set
+# CONFIG_SOUND_MSNDCLAS is not set
+# CONFIG_SOUND_MSNDPIN is not set
+
+#
+# USB support
+#
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+
+#
+# MMC/SD Card support
+#
+# CONFIG_MMC is not set
+
+#
+# InfiniBand support
+#
+# CONFIG_INFINIBAND is not set
+
+#
+# SN Devices
+#
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+CONFIG_MINIX_FS=y
+# CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+CONFIG_NTFS_FS=y
+# CONFIG_NTFS_DEBUG is not set
+CONFIG_NTFS_RW=y
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_SYSFS=y
+# CONFIG_TMPFS is not set
+CONFIG_HUGETLBFS=y
+CONFIG_HUGETLB_PAGE=y
+CONFIG_RAMFS=y
+# CONFIG_RELAYFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+CONFIG_NFS_V4=y
+# CONFIG_NFS_DIRECTIO is not set
+CONFIG_NFSD=y
+CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
+CONFIG_NFSD_V4=y
+CONFIG_NFSD_TCP=y
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+
+#
+# Native Language Support
+#
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+CONFIG_NLS_CODEPAGE_932=y
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Profiling support
+#
+# CONFIG_PROFILING is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_MAGIC_SYSRQ is not set
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_PREEMPT=y
+CONFIG_DEBUG_SPINLOCK=y
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_INFO is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_DEBUG_VM is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_SH_STANDARD_BIOS is not set
+# CONFIG_EARLY_SCIF_CONSOLE is not set
+# CONFIG_KGDB is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+
+#
+# Cryptographic options
+#
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Hardware crypto devices
+#
+
+#
+# Library routines
+#
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC32=y
+# CONFIG_LIBCRC32C is not set
diff --git a/arch/sh/configs/se73180_defconfig b/arch/sh/configs/se73180_defconfig
index d217e44c89a6..fe19feb95ca9 100644
--- a/arch/sh/configs/se73180_defconfig
+++ b/arch/sh/configs/se73180_defconfig
@@ -78,6 +78,7 @@ CONFIG_SH_73180_SOLUTION_ENGINE=y
 # CONFIG_SH_SECUREEDGE5410 is not set
 # CONFIG_SH_HS7751RVOIP is not set
 # CONFIG_SH_RTS7751R2D is not set
+# CONFIG_SH_R7780RP is not set
 # CONFIG_SH_EDOSK7705 is not set
 # CONFIG_SH_SH4202_MICRODEV is not set
 # CONFIG_SH_UNKNOWN is not set
diff --git a/arch/sh/configs/se7343_defconfig b/arch/sh/configs/se7343_defconfig
new file mode 100644
index 000000000000..948e507b52be
--- /dev/null
+++ b/arch/sh/configs/se7343_defconfig
@@ -0,0 +1,997 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.17
+# Mon Aug  7 20:14:44 2006
+#
+CONFIG_SUPERH=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+CONFIG_SYSCTL=y
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+# CONFIG_RELAY is not set
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_UID16=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EMBEDDED=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+# CONFIG_FUTEX is not set
+# CONFIG_EPOLL is not set
+# CONFIG_SHMEM is not set
+CONFIG_SLAB=y
+CONFIG_TINY_SHMEM=y
+CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+CONFIG_OBSOLETE_INTERMODULE=y
+
+#
+# Loadable module support
+#
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+# CONFIG_KMOD is not set
+
+#
+# Block layer
+#
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+CONFIG_IOSCHED_DEADLINE=y
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_AS is not set
+CONFIG_DEFAULT_DEADLINE=y
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="deadline"
+
+#
+# System type
+#
+CONFIG_SOLUTION_ENGINE=y
+# CONFIG_SH_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SOLUTION_ENGINE is not set
+# CONFIG_SH_7300_SOLUTION_ENGINE is not set
+CONFIG_SH_7343_SOLUTION_ENGINE=y
+# CONFIG_SH_73180_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SYSTEMH is not set
+# CONFIG_SH_HP6XX is not set
+# CONFIG_SH_EC3104 is not set
+# CONFIG_SH_SATURN is not set
+# CONFIG_SH_DREAMCAST is not set
+# CONFIG_SH_BIGSUR is not set
+# CONFIG_SH_MPC1211 is not set
+# CONFIG_SH_SH03 is not set
+# CONFIG_SH_SECUREEDGE5410 is not set
+# CONFIG_SH_HS7751RVOIP is not set
+# CONFIG_SH_7710VOIPGW is not set
+# CONFIG_SH_RTS7751R2D is not set
+# CONFIG_SH_R7780RP is not set
+# CONFIG_SH_EDOSK7705 is not set
+# CONFIG_SH_SH4202_MICRODEV is not set
+# CONFIG_SH_LANDISK is not set
+# CONFIG_SH_TITAN is not set
+# CONFIG_SH_SHMIN is not set
+# CONFIG_SH_UNKNOWN is not set
+
+#
+# Processor selection
+#
+CONFIG_CPU_SH4=y
+CONFIG_CPU_SH4A=y
+
+#
+# SH-2 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7604 is not set
+
+#
+# SH-3 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7706 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+# CONFIG_CPU_SUBTYPE_SH7710 is not set
+
+#
+# SH-4 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+# CONFIG_CPU_SUBTYPE_SH7751R is not set
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+
+#
+# ST40 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
+# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
+
+#
+# SH-4A Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH73180 is not set
+CONFIG_CPU_SUBTYPE_SH7343=y
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+
+#
+# Memory management options
+#
+CONFIG_MMU=y
+CONFIG_PAGE_OFFSET=0x80000000
+CONFIG_MEMORY_START=0x0c000000
+CONFIG_MEMORY_SIZE=0x01000000
+CONFIG_32BIT=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+
+#
+# Cache configuration
+#
+# CONFIG_SH_DIRECT_MAPPED is not set
+# CONFIG_SH_WRITETHROUGH is not set
+# CONFIG_SH_OCRAM is not set
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_SH_FPU is not set
+# CONFIG_SH_FPU_EMU is not set
+CONFIG_SH_DSP=y
+# CONFIG_SH_STORE_QUEUES is not set
+CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_SR_RB=y
+
+#
+# Timer support
+#
+CONFIG_SH_TMU=y
+CONFIG_SH_PCLK_FREQ=27000000
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+# CONFIG_SH_DMA is not set
+
+#
+# Companion Chips
+#
+# CONFIG_HD6446X_SERIES is not set
+CONFIG_HEARTBEAT=y
+
+#
+# Kernel features
+#
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_KEXEC is not set
+# CONFIG_SMP is not set
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x00800000
+# CONFIG_UBC_WAKEUP is not set
+# CONFIG_CMDLINE_BOOL is not set
+
+#
+# Bus options
+#
+# CONFIG_PCI is not set
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+# CONFIG_PCCARD is not set
+
+#
+# PCI Hotplug Support
+#
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_FLAT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options (EXPERIMENTAL)
+#
+# CONFIG_PM is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+# CONFIG_NETDEBUG is not set
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETFILTER is not set
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
+#
+# Memory Technology Devices (MTD)
+#
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+CONFIG_MTD_RAM=y
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_OBSOLETE_CHIPS is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_SOLUTIONENGINE is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+
+#
+# NAND Flash Device Drivers
+#
+# CONFIG_MTD_NAND is not set
+
+#
+# OneNAND Flash Device Drivers
+#
+# CONFIG_MTD_ONENAND is not set
+
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
+#
+# Plug and Play support
+#
+
+#
+# Block devices
+#
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+
+#
+# ATA/ATAPI/MFM/RLL support
+#
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+
+#
+# I2O device support
+#
+
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+
+#
+# PHY device support
+#
+# CONFIG_PHYLIB is not set
+
+#
+# Ethernet (10 or 100Mbit)
+#
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_STNIC is not set
+CONFIG_SMC91X=y
+# CONFIG_NE2000 is not set
+
+#
+# Ethernet (1000 Mbit)
+#
+
+#
+# Ethernet (10000 Mbit)
+#
+
+#
+# Token Ring devices
+#
+
+#
+# Wireless LAN (non-hamradio)
+#
+# CONFIG_NET_RADIO is not set
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+
+#
+# Telephony Support
+#
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=2
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_UNIX98_PTYS is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+
+#
+# Watchdog Cards
+#
+# CONFIG_WATCHDOG is not set
+# CONFIG_RTC is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_RAW_DRIVER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
+
+#
+# I2C support
+#
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+
+#
+# I2C Algorithms
+#
+# CONFIG_I2C_ALGOBIT is not set
+# CONFIG_I2C_ALGOPCF is not set
+# CONFIG_I2C_ALGOPCA is not set
+
+#
+# I2C Hardware Bus support
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_I2C_PCA_ISA is not set
+CONFIG_I2C_SH7343=y
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+
+#
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+
+#
+# Hardware Monitoring support
+#
+# CONFIG_HWMON is not set
+# CONFIG_HWMON_VID is not set
+
+#
+# Misc devices
+#
+
+#
+# Multimedia devices
+#
+CONFIG_VIDEO_DEV=y
+CONFIG_VIDEO_V4L1=y
+CONFIG_VIDEO_V4L1_COMPAT=y
+CONFIG_VIDEO_V4L2=y
+
+#
+# Video Capture Adapters
+#
+
+#
+# Video Capture Adapters
+#
+# CONFIG_VIDEO_ADV_DEBUG is not set
+# CONFIG_VIDEO_VIVI is not set
+# CONFIG_VIDEO_CPIA is not set
+# CONFIG_VIDEO_SAA5246A is not set
+# CONFIG_VIDEO_SAA5249 is not set
+# CONFIG_TUNER_3036 is not set
+# CONFIG_VIDEO_OVCAMCHIP is not set
+
+#
+# Encoders and Decoders
+#
+# CONFIG_VIDEO_MSP3400 is not set
+# CONFIG_VIDEO_CS53L32A is not set
+# CONFIG_VIDEO_WM8775 is not set
+# CONFIG_VIDEO_WM8739 is not set
+# CONFIG_VIDEO_CX25840 is not set
+# CONFIG_VIDEO_SAA711X is not set
+# CONFIG_VIDEO_SAA7127 is not set
+# CONFIG_VIDEO_UPD64031A is not set
+# CONFIG_VIDEO_UPD64083 is not set
+
+#
+# Radio Adapters
+#
+# CONFIG_RADIO_MAESTRO is not set
+
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+
+#
+# Graphics support
+#
+CONFIG_FB=y
+# CONFIG_FB_CFB_FILLRECT is not set
+# CONFIG_FB_CFB_COPYAREA is not set
+# CONFIG_FB_CFB_IMAGEBLIT is not set
+# CONFIG_FB_MACMODES is not set
+CONFIG_FB_FIRMWARE_EDID=y
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+# CONFIG_FB_EPSON1355 is not set
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_VIRTUAL is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE is not set
+
+#
+# Logo configuration
+#
+# CONFIG_LOGO is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Sound
+#
+CONFIG_SOUND=y
+
+#
+# Advanced Linux Sound Architecture
+#
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+CONFIG_SND_SEQUENCER=y
+# CONFIG_SND_SEQ_DUMMY is not set
+CONFIG_SND_OSSEMUL=y
+# CONFIG_SND_MIXER_OSS is not set
+CONFIG_SND_PCM_OSS=y
+CONFIG_SND_PCM_OSS_PLUGINS=y
+# CONFIG_SND_SEQUENCER_OSS is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+
+#
+# Generic devices
+#
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_VIRMIDI is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+
+#
+# SuperH devices
+#
+CONFIG_SH7343_SIU=m
+CONFIG_AK4537_CODEC=y
+
+#
+# Open Sound System
+#
+# CONFIG_SOUND_PRIME is not set
+
+#
+# USB support
+#
+# CONFIG_USB_ARCH_HAS_HCD is not set
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+
+#
+# MMC/SD Card support
+#
+# CONFIG_MMC is not set
+
+#
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
+#
+# InfiniBand support
+#
+
+#
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+#
+
+#
+# Real Time Clock
+#
+# CONFIG_RTC_CLASS is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_QUOTA is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+# CONFIG_PROC_KCORE is not set
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFS_DIRECTIO is not set
+CONFIG_NFSD=y
+# CONFIG_NFSD_V3 is not set
+# CONFIG_NFSD_TCP is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+
+#
+# Native Language Support
+#
+# CONFIG_NLS is not set
+
+#
+# Profiling support
+#
+# CONFIG_PROFILING is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_DEBUG_KERNEL is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_SH_STANDARD_BIOS is not set
+# CONFIG_EARLY_SCIF_CONSOLE is not set
+# CONFIG_KGDB is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+
+#
+# Cryptographic options
+#
+# CONFIG_CRYPTO is not set
+
+#
+# Hardware crypto devices
+#
+
+#
+# Library routines
+#
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC32=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
diff --git a/arch/sh/configs/sh7710voipgw_defconfig b/arch/sh/configs/sh7710voipgw_defconfig
new file mode 100644
index 000000000000..ec9a3034daa5
--- /dev/null
+++ b/arch/sh/configs/sh7710voipgw_defconfig
@@ -0,0 +1,913 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.17
+# Mon Aug  7 17:07:06 2006
+#
+CONFIG_SUPERH=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+# CONFIG_SWAP is not set
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+CONFIG_SYSCTL=y
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+# CONFIG_RELAY is not set
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_UID16=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EMBEDDED=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+# CONFIG_FUTEX is not set
+# CONFIG_EPOLL is not set
+# CONFIG_SHMEM is not set
+CONFIG_SLAB=y
+CONFIG_TINY_SHMEM=y
+CONFIG_BASE_SMALL=0
+# CONFIG_SLOB is not set
+CONFIG_OBSOLETE_INTERMODULE=y
+
+#
+# Loadable module support
+#
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+# CONFIG_KMOD is not set
+
+#
+# Block layer
+#
+# CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+CONFIG_IOSCHED_DEADLINE=y
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_AS is not set
+CONFIG_DEFAULT_DEADLINE=y
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="deadline"
+
+#
+# System type
+#
+# CONFIG_SH_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SOLUTION_ENGINE is not set
+# CONFIG_SH_7300_SOLUTION_ENGINE is not set
+# CONFIG_SH_73180_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SYSTEMH is not set
+# CONFIG_SH_HP6XX is not set
+# CONFIG_SH_EC3104 is not set
+# CONFIG_SH_SATURN is not set
+# CONFIG_SH_DREAMCAST is not set
+# CONFIG_SH_BIGSUR is not set
+# CONFIG_SH_MPC1211 is not set
+# CONFIG_SH_SH03 is not set
+# CONFIG_SH_SECUREEDGE5410 is not set
+# CONFIG_SH_HS7751RVOIP is not set
+CONFIG_SH_7710VOIPGW=y
+# CONFIG_SH_RTS7751R2D is not set
+# CONFIG_SH_R7780RP is not set
+# CONFIG_SH_EDOSK7705 is not set
+# CONFIG_SH_SH4202_MICRODEV is not set
+# CONFIG_SH_LANDISK is not set
+# CONFIG_SH_TITAN is not set
+# CONFIG_SH_SHMIN is not set
+# CONFIG_SH_UNKNOWN is not set
+
+#
+# Processor selection
+#
+CONFIG_CPU_SH3=y
+
+#
+# SH-2 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7604 is not set
+
+#
+# SH-3 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7706 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+CONFIG_CPU_SUBTYPE_SH7710=y
+
+#
+# SH-4 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+# CONFIG_CPU_SUBTYPE_SH7751R is not set
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+
+#
+# ST40 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
+# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
+
+#
+# SH-4A Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+
+#
+# Memory management options
+#
+CONFIG_MMU=y
+CONFIG_PAGE_OFFSET=0x80000000
+CONFIG_MEMORY_START=0x0c000000
+CONFIG_MEMORY_SIZE=0x00800000
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+
+#
+# Cache configuration
+#
+# CONFIG_SH_DIRECT_MAPPED is not set
+# CONFIG_SH_WRITETHROUGH is not set
+# CONFIG_SH_OCRAM is not set
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_SH_FPU_EMU is not set
+CONFIG_SH_DSP=y
+# CONFIG_SH_ADC is not set
+CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_SR_RB=y
+
+#
+# Timer support
+#
+CONFIG_SH_TMU=y
+CONFIG_SH_PCLK_FREQ=32768000
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+# CONFIG_SH_DMA is not set
+
+#
+# Companion Chips
+#
+# CONFIG_HD6446X_SERIES is not set
+
+#
+# Kernel features
+#
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_KEXEC is not set
+# CONFIG_PREEMPT is not set
+# CONFIG_SMP is not set
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x00800000
+# CONFIG_UBC_WAKEUP is not set
+# CONFIG_CMDLINE_BOOL is not set
+
+#
+# Bus options
+#
+# CONFIG_PCI is not set
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+# CONFIG_PCCARD is not set
+
+#
+# PCI Hotplug Support
+#
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_FLAT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options (EXPERIMENTAL)
+#
+# CONFIG_PM is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+# CONFIG_NETDEBUG is not set
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_PNP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+
+#
+# IP: Virtual Server Configuration
+#
+# CONFIG_IP_VS is not set
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+
+#
+# Core Netfilter Configuration
+#
+# CONFIG_NETFILTER_NETLINK is not set
+# CONFIG_NETFILTER_XTABLES is not set
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_IP_NF_CONNTRACK=y
+# CONFIG_IP_NF_CT_ACCT is not set
+# CONFIG_IP_NF_CONNTRACK_MARK is not set
+# CONFIG_IP_NF_CONNTRACK_EVENTS is not set
+# CONFIG_IP_NF_CT_PROTO_SCTP is not set
+CONFIG_IP_NF_FTP=m
+# CONFIG_IP_NF_IRC is not set
+# CONFIG_IP_NF_NETBIOS_NS is not set
+# CONFIG_IP_NF_TFTP is not set
+# CONFIG_IP_NF_AMANDA is not set
+CONFIG_IP_NF_PPTP=m
+# CONFIG_IP_NF_H323 is not set
+# CONFIG_IP_NF_QUEUE is not set
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_CLK_JIFFIES=y
+# CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set
+# CONFIG_NET_SCH_CLK_CPU is not set
+
+#
+# Queueing/Scheduling
+#
+CONFIG_NET_SCH_CBQ=y
+# CONFIG_NET_SCH_HTB is not set
+# CONFIG_NET_SCH_HFSC is not set
+# CONFIG_NET_SCH_PRIO is not set
+# CONFIG_NET_SCH_RED is not set
+# CONFIG_NET_SCH_SFQ is not set
+# CONFIG_NET_SCH_TEQL is not set
+# CONFIG_NET_SCH_TBF is not set
+# CONFIG_NET_SCH_GRED is not set
+# CONFIG_NET_SCH_DSMARK is not set
+# CONFIG_NET_SCH_NETEM is not set
+CONFIG_NET_SCH_INGRESS=y
+
+#
+# Classification
+#
+CONFIG_NET_CLS=y
+CONFIG_NET_CLS_BASIC=y
+CONFIG_NET_CLS_TCINDEX=y
+CONFIG_NET_CLS_ROUTE4=y
+CONFIG_NET_CLS_ROUTE=y
+# CONFIG_NET_CLS_FW is not set
+CONFIG_NET_CLS_U32=y
+# CONFIG_CLS_U32_PERF is not set
+# CONFIG_CLS_U32_MARK is not set
+# CONFIG_NET_CLS_RSVP is not set
+# CONFIG_NET_CLS_RSVP6 is not set
+# CONFIG_NET_EMATCH is not set
+# CONFIG_NET_CLS_ACT is not set
+CONFIG_NET_CLS_POLICE=y
+# CONFIG_NET_CLS_IND is not set
+CONFIG_NET_ESTIMATOR=y
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
+#
+# Memory Technology Devices (MTD)
+#
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+CONFIG_MTD_RAM=y
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_OBSOLETE_CHIPS is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_SOLUTIONENGINE is not set
+CONFIG_MTD_SH7710VOIPGW=y
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+
+#
+# NAND Flash Device Drivers
+#
+# CONFIG_MTD_NAND is not set
+
+#
+# OneNAND Flash Device Drivers
+#
+# CONFIG_MTD_ONENAND is not set
+
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
+#
+# Plug and Play support
+#
+
+#
+# Block devices
+#
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+
+#
+# ATA/ATAPI/MFM/RLL support
+#
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+
+#
+# I2O device support
+#
+
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+
+#
+# PHY device support
+#
+# CONFIG_PHYLIB is not set
+
+#
+# Ethernet (10 or 100Mbit)
+#
+CONFIG_NET_ETHERNET=y
+# CONFIG_MII is not set
+# CONFIG_STNIC is not set
+# CONFIG_SMC91X is not set
+# CONFIG_NE2000 is not set
+
+#
+# Ethernet (1000 Mbit)
+#
+
+#
+# Ethernet (10000 Mbit)
+#
+
+#
+# Token Ring devices
+#
+
+#
+# Wireless LAN (non-hamradio)
+#
+# CONFIG_NET_RADIO is not set
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+
+#
+# Telephony Support
+#
+CONFIG_PHONE=y
+# CONFIG_PHONE_IXJ is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=2
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_UNIX98_PTYS is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+
+#
+# Watchdog Cards
+#
+# CONFIG_WATCHDOG is not set
+# CONFIG_RTC is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_RAW_DRIVER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
+
+#
+# I2C support
+#
+# CONFIG_I2C is not set
+
+#
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+
+#
+# Hardware Monitoring support
+#
+# CONFIG_HWMON is not set
+# CONFIG_HWMON_VID is not set
+
+#
+# Misc devices
+#
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+CONFIG_VIDEO_V4L2=y
+
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+
+#
+# Graphics support
+#
+# CONFIG_FB is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+
+#
+# USB support
+#
+# CONFIG_USB_ARCH_HAS_HCD is not set
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+
+#
+# MMC/SD Card support
+#
+# CONFIG_MMC is not set
+
+#
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
+#
+# InfiniBand support
+#
+
+#
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+#
+
+#
+# Real Time Clock
+#
+# CONFIG_RTC_CLASS is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_QUOTA is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+# CONFIG_PROC_KCORE is not set
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+# CONFIG_CONFIGFS_FS is not set
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+# CONFIG_NFS_FS is not set
+# CONFIG_NFSD is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+
+#
+# Native Language Support
+#
+# CONFIG_NLS is not set
+
+#
+# Profiling support
+#
+# CONFIG_PROFILING is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_DEBUG_KERNEL is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_SH_STANDARD_BIOS is not set
+# CONFIG_KGDB is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+
+#
+# Cryptographic options
+#
+# CONFIG_CRYPTO is not set
+
+#
+# Hardware crypto devices
+#
+
+#
+# Library routines
+#
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC32=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
diff --git a/arch/sh/configs/shmin_defconfig b/arch/sh/configs/shmin_defconfig
new file mode 100644
index 000000000000..382b3bd3963b
--- /dev/null
+++ b/arch/sh/configs/shmin_defconfig
@@ -0,0 +1,827 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.17
+# Wed Aug  2 01:45:03 2006
+#
+CONFIG_SUPERH=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_PTRACE=y
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+# CONFIG_SWAP is not set
+# CONFIG_SYSVIPC is not set
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_SYSCTL is not set
+# CONFIG_AUDIT is not set
+# CONFIG_IKCONFIG is not set
+# CONFIG_RELAY is not set
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_UID16 is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EMBEDDED=y
+# CONFIG_KALLSYMS is not set
+# CONFIG_HOTPLUG is not set
+CONFIG_PRINTK=y
+# CONFIG_BUG is not set
+# CONFIG_ELF_CORE is not set
+# CONFIG_BASE_FULL is not set
+# CONFIG_FUTEX is not set
+# CONFIG_EPOLL is not set
+# CONFIG_SHMEM is not set
+# CONFIG_SLAB is not set
+CONFIG_TINY_SHMEM=y
+CONFIG_BASE_SMALL=1
+CONFIG_SLOB=y
+CONFIG_OBSOLETE_INTERMODULE=y
+
+#
+# Loadable module support
+#
+# CONFIG_MODULES is not set
+
+#
+# Block layer
+#
+# CONFIG_LBD is not set
+# CONFIG_LSF is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+
+#
+# System type
+#
+# CONFIG_SH_SOLUTION_ENGINE is not set
+# CONFIG_SH_7709_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SOLUTION_ENGINE is not set
+# CONFIG_SH_7300_SOLUTION_ENGINE is not set
+# CONFIG_SH_73180_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SYSTEMH is not set
+# CONFIG_SH_STB1_HARP is not set
+# CONFIG_SH_STB1_OVERDRIVE is not set
+# CONFIG_SH_HP6XX is not set
+# CONFIG_SH_CQREEK is not set
+# CONFIG_SH_DMIDA is not set
+# CONFIG_SH_EC3104 is not set
+# CONFIG_SH_SATURN is not set
+# CONFIG_SH_DREAMCAST is not set
+# CONFIG_SH_CAT68701 is not set
+# CONFIG_SH_BIGSUR is not set
+# CONFIG_SH_SH2000 is not set
+# CONFIG_SH_ADX is not set
+# CONFIG_SH_MPC1211 is not set
+# CONFIG_SH_SH03 is not set
+# CONFIG_SH_SECUREEDGE5410 is not set
+# CONFIG_SH_HS7751RVOIP is not set
+# CONFIG_SH_RTS7751R2D is not set
+# CONFIG_SH_R7780RP is not set
+# CONFIG_SH_EDOSK7705 is not set
+# CONFIG_SH_SH4202_MICRODEV is not set
+# CONFIG_SH_LANDISK is not set
+# CONFIG_SH_TITAN is not set
+CONFIG_SH_SHMIN=y
+# CONFIG_SH_UNKNOWN is not set
+
+#
+# Processor selection
+#
+CONFIG_CPU_SH3=y
+
+#
+# SH-2 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7604 is not set
+
+#
+# SH-3 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+CONFIG_CPU_SUBTYPE_SH7706=y
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+
+#
+# SH-4 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+# CONFIG_CPU_SUBTYPE_SH7751 is not set
+# CONFIG_CPU_SUBTYPE_SH7751R is not set
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+
+#
+# ST40 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
+# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
+
+#
+# SH-4A Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+
+#
+# Memory management options
+#
+CONFIG_MMU=y
+CONFIG_PAGE_OFFSET=0x80000000
+CONFIG_MEMORY_START=0x0c000000
+CONFIG_MEMORY_SIZE=0x00800000
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPLIT_PTLOCK_CPUS=4
+
+#
+# Cache configuration
+#
+# CONFIG_SH_DIRECT_MAPPED is not set
+# CONFIG_SH_WRITETHROUGH is not set
+# CONFIG_SH_OCRAM is not set
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+# CONFIG_SH_FPU_EMU is not set
+# CONFIG_SH_DSP is not set
+# CONFIG_SH_ADC is not set
+CONFIG_CPU_HAS_INTEVT=y
+CONFIG_CPU_HAS_SR_RB=y
+
+#
+# Timer support
+#
+CONFIG_SH_TMU=y
+CONFIG_SH_PCLK_FREQ=32000000
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+# CONFIG_SH_DMA is not set
+
+#
+# Companion Chips
+#
+# CONFIG_HD6446X_SERIES is not set
+
+#
+# Kernel features
+#
+# CONFIG_KEXEC is not set
+# CONFIG_PREEMPT is not set
+# CONFIG_SMP is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x00210000
+# CONFIG_UBC_WAKEUP is not set
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="console=ttySC1,115200 root=1f01 mtdparts=phys_mapped_flash:64k(firm)ro,-(sys) netdev=34,0x300,eth0 "
+
+#
+# Bus options
+#
+# CONFIG_PCI is not set
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+# CONFIG_PCCARD is not set
+
+#
+# PCI Hotplug Support
+#
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_FLAT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options (EXPERIMENTAL)
+#
+# CONFIG_PM is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+# CONFIG_NETDEBUG is not set
+# CONFIG_PACKET is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_NETFILTER is not set
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+
+#
+# QoS and/or fair queueing
+#
+# CONFIG_NET_SCHED is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+# CONFIG_CONNECTOR is not set
+
+#
+# Memory Technology Devices (MTD)
+#
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+
+#
+# User Modules And Translation Layers
+#
+# CONFIG_MTD_CHAR is not set
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+# CONFIG_MTD_CFI is not set
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_OBSOLETE_CHIPS is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0xa0000000
+CONFIG_MTD_PHYSMAP_LEN=0x80000
+CONFIG_MTD_PHYSMAP_BANKWIDTH=1
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+
+#
+# NAND Flash Device Drivers
+#
+# CONFIG_MTD_NAND is not set
+
+#
+# OneNAND Flash Device Drivers
+#
+# CONFIG_MTD_ONENAND is not set
+
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
+#
+# Plug and Play support
+#
+
+#
+# Block devices
+#
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_BLK_DEV_INITRD is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+
+#
+# ATA/ATAPI/MFM/RLL support
+#
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+
+#
+# I2O device support
+#
+
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+
+#
+# PHY device support
+#
+# CONFIG_PHYLIB is not set
+
+#
+# Ethernet (10 or 100Mbit)
+#
+CONFIG_NET_ETHERNET=y
+# CONFIG_MII is not set
+# CONFIG_STNIC is not set
+# CONFIG_SMC91X is not set
+CONFIG_NE2000=y
+
+#
+# Ethernet (1000 Mbit)
+#
+
+#
+# Ethernet (10000 Mbit)
+#
+
+#
+# Token Ring devices
+#
+
+#
+# Wireless LAN (non-hamradio)
+#
+# CONFIG_NET_RADIO is not set
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+
+#
+# Telephony Support
+#
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+# CONFIG_INPUT is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+# CONFIG_VT is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=2
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+
+#
+# Watchdog Cards
+#
+# CONFIG_WATCHDOG is not set
+# CONFIG_RTC is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_RAW_DRIVER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+# CONFIG_TELCLOCK is not set
+
+#
+# I2C support
+#
+# CONFIG_I2C is not set
+
+#
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+
+#
+# Hardware Monitoring support
+#
+# CONFIG_HWMON is not set
+# CONFIG_HWMON_VID is not set
+
+#
+# Misc devices
+#
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+CONFIG_VIDEO_V4L2=y
+
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+
+#
+# Graphics support
+#
+# CONFIG_FB is not set
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+
+#
+# USB support
+#
+# CONFIG_USB_ARCH_HAS_HCD is not set
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+#
+
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+
+#
+# MMC/SD Card support
+#
+# CONFIG_MMC is not set
+
+#
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
+#
+# InfiniBand support
+#
+
+#
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+#
+
+#
+# Real Time Clock
+#
+# CONFIG_RTC_CLASS is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_QUOTA is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+# CONFIG_PROC_KCORE is not set
+# CONFIG_SYSFS is not set
+CONFIG_TMPFS=y
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS_FS is not set
+# CONFIG_JFFS2_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFS_DIRECTIO is not set
+# CONFIG_NFSD is not set
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+
+#
+# Native Language Support
+#
+# CONFIG_NLS is not set
+
+#
+# Profiling support
+#
+# CONFIG_PROFILING is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_DEBUG_KERNEL is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_UNWIND_INFO is not set
+CONFIG_SH_STANDARD_BIOS=y
+CONFIG_EARLY_PRINTK=y
+# CONFIG_KGDB is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+
+#
+# Cryptographic options
+#
+# CONFIG_CRYPTO is not set
+
+#
+# Hardware crypto devices
+#
+
+#
+# Library routines
+#
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+CONFIG_CRC32=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
diff --git a/arch/sh/configs/titan_defconfig b/arch/sh/configs/titan_defconfig
new file mode 100644
index 000000000000..1db2904de9e5
--- /dev/null
+++ b/arch/sh/configs/titan_defconfig
@@ -0,0 +1,1367 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.14-sh
+# Wed Nov  9 00:35:56 2005
+#
+CONFIG_SUPERH=y
+CONFIG_UID16=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_IOMAP=y
+
+#
+# Code maturity level options
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_CLEAN_COMPILE=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+
+#
+# General setup
+#
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+CONFIG_SYSCTL=y
+# CONFIG_AUDIT is not set
+CONFIG_HOTPLUG=y
+CONFIG_KOBJECT_UEVENT=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_EMBEDDED is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SHMEM=y
+CONFIG_CC_ALIGN_FUNCTIONS=0
+CONFIG_CC_ALIGN_LABELS=0
+CONFIG_CC_ALIGN_LOOPS=0
+CONFIG_CC_ALIGN_JUMPS=0
+# CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
+
+#
+# Loadable module support
+#
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_OBSOLETE_MODPARM=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_KMOD=y
+
+#
+# System type
+#
+# CONFIG_SH_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SOLUTION_ENGINE is not set
+# CONFIG_SH_7300_SOLUTION_ENGINE is not set
+# CONFIG_SH_73180_SOLUTION_ENGINE is not set
+# CONFIG_SH_7751_SYSTEMH is not set
+CONFIG_SH_TITAN=y
+# CONFIG_SH_STB1_HARP is not set
+# CONFIG_SH_STB1_OVERDRIVE is not set
+# CONFIG_SH_HP6XX is not set
+# CONFIG_SH_CQREEK is not set
+# CONFIG_SH_DMIDA is not set
+# CONFIG_SH_EC3104 is not set
+# CONFIG_SH_SATURN is not set
+# CONFIG_SH_DREAMCAST is not set
+# CONFIG_SH_CAT68701 is not set
+# CONFIG_SH_BIGSUR is not set
+# CONFIG_SH_SH2000 is not set
+# CONFIG_SH_ADX is not set
+# CONFIG_SH_MPC1211 is not set
+# CONFIG_SH_SH03 is not set
+# CONFIG_SH_SECUREEDGE5410 is not set
+# CONFIG_SH_HS7751RVOIP is not set
+# CONFIG_SH_RTS7751R2D is not set
+# CONFIG_SH_EDOSK7705 is not set
+# CONFIG_SH_SH4202_MICRODEV is not set
+# CONFIG_SH_LANDISK is not set
+# CONFIG_SH_UNKNOWN is not set
+
+#
+# Processor selection
+#
+CONFIG_CPU_SH4=y
+
+#
+# SH-2 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7604 is not set
+
+#
+# SH-3 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7300 is not set
+# CONFIG_CPU_SUBTYPE_SH7705 is not set
+# CONFIG_CPU_SUBTYPE_SH7707 is not set
+# CONFIG_CPU_SUBTYPE_SH7708 is not set
+# CONFIG_CPU_SUBTYPE_SH7709 is not set
+
+#
+# SH-4 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH7750 is not set
+# CONFIG_CPU_SUBTYPE_SH7091 is not set
+# CONFIG_CPU_SUBTYPE_SH7750R is not set
+# CONFIG_CPU_SUBTYPE_SH7750S is not set
+CONFIG_CPU_SUBTYPE_SH7751=y
+CONFIG_CPU_SUBTYPE_SH7751R=y
+# CONFIG_CPU_SUBTYPE_SH7760 is not set
+# CONFIG_CPU_SUBTYPE_SH4_202 is not set
+
+#
+# ST40 Processor Support
+#
+# CONFIG_CPU_SUBTYPE_ST40STB1 is not set
+# CONFIG_CPU_SUBTYPE_ST40GX1 is not set
+
+#
+# SH-4A Processor Support
+#
+# CONFIG_CPU_SUBTYPE_SH73180 is not set
+# CONFIG_CPU_SUBTYPE_SH7770 is not set
+# CONFIG_CPU_SUBTYPE_SH7780 is not set
+
+#
+# Memory management options
+#
+CONFIG_MMU=y
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
+
+#
+# Cache configuration
+#
+# CONFIG_SH_DIRECT_MAPPED is not set
+# CONFIG_SH_WRITETHROUGH is not set
+# CONFIG_SH_OCRAM is not set
+CONFIG_MEMORY_START=0x08030000
+CONFIG_MEMORY_SIZE=0x7fd0000
+
+#
+# Processor features
+#
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_SH_RTC=y
+CONFIG_SH_FPU=y
+# CONFIG_SH_STORE_QUEUES is not set
+
+#
+# Timer support
+#
+CONFIG_SH_TMU=y
+CONFIG_SH_PCLK_FREQ_BOOL=y
+CONFIG_SH_PCLK_FREQ=30000000
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+
+#
+# DMA support
+#
+CONFIG_SH_DMA=y
+CONFIG_NR_ONCHIP_DMA_CHANNELS=8
+# CONFIG_NR_DMA_CHANNELS_BOOL is not set
+
+#
+# Companion Chips
+#
+# CONFIG_HD6446X_SERIES is not set
+
+#
+# Kernel features
+#
+# CONFIG_KEXEC is not set
+# CONFIG_PREEMPT is not set
+# CONFIG_SMP is not set
+
+#
+# Boot options
+#
+CONFIG_ZERO_PAGE_OFFSET=0x00001000
+CONFIG_BOOT_LINK_OFFSET=0x009e0000
+# CONFIG_UBC_WAKEUP is not set
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="console=ttySC1,38400N81 root=/dev/nfs ip=:::::eth1:autoconf"
+
+#
+# Bus options
+#
+CONFIG_PCI=y
+CONFIG_SH_PCIDMA_NONCOHERENT=y
+CONFIG_PCI_AUTO=y
+CONFIG_PCI_AUTO_UPDATE_RESOURCES=y
+CONFIG_PCI_LEGACY_PROC=y
+#CONFIG_PCI_DEBUG is not set
+
+#
+# PCCARD (PCMCIA/CardBus) support
+#
+# CONFIG_PCCARD is not set
+
+#
+# PCI Hotplug Support
+#
+CONFIG_HOTPLUG_PCI=y
+# CONFIG_HOTPLUG_PCI_FAKE is not set
+# CONFIG_HOTPLUG_PCI_CPCI is not set
+# CONFIG_HOTPLUG_PCI_SHPC is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_FLAT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Networking
+#
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+CONFIG_NET_KEY=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_ASK_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_MULTIPLE_TABLES=y
+# CONFIG_IP_ROUTE_FWMARK is not set
+CONFIG_IP_ROUTE_MULTIPATH=y
+CONFIG_IP_ROUTE_MULTIPATH_CACHED=y
+CONFIG_IP_ROUTE_MULTIPATH_RR=m
+CONFIG_IP_ROUTE_MULTIPATH_RANDOM=m
+CONFIG_IP_ROUTE_MULTIPATH_WRANDOM=m
+CONFIG_IP_ROUTE_MULTIPATH_DRR=m
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+CONFIG_NET_IPIP=m
+CONFIG_NET_IPGRE=m
+CONFIG_NET_IPGRE_BROADCAST=y
+CONFIG_IP_MROUTE=y
+CONFIG_IP_PIMSM_V1=y
+CONFIG_IP_PIMSM_V2=y
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+CONFIG_INET_AH=m
+CONFIG_INET_ESP=m
+CONFIG_INET_IPCOMP=m
+CONFIG_INET_TUNNEL=m
+CONFIG_INET_DIAG=m
+CONFIG_INET_TCP_DIAG=m
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+
+#
+# IP: Virtual Server Configuration
+#
+# CONFIG_IP_VS is not set
+CONFIG_IPV6=m
+CONFIG_IPV6_PRIVACY=y
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+CONFIG_INET6_TUNNEL=m
+CONFIG_IPV6_TUNNEL=m
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+CONFIG_BRIDGE_NETFILTER=y
+CONFIG_NETFILTER_NETLINK=m
+CONFIG_NETFILTER_NETLINK_QUEUE=m
+CONFIG_NETFILTER_NETLINK_LOG=m
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_IP_NF_CONNTRACK=m
+CONFIG_IP_NF_CT_ACCT=y
+CONFIG_IP_NF_CONNTRACK_MARK=y
+CONFIG_IP_NF_CONNTRACK_EVENTS=y
+CONFIG_IP_NF_CONNTRACK_NETLINK=m
+# CONFIG_IP_NF_CT_PROTO_SCTP is not set
+CONFIG_IP_NF_FTP=m
+CONFIG_IP_NF_IRC=m
+CONFIG_IP_NF_NETBIOS_NS=m
+CONFIG_IP_NF_TFTP=m
+# CONFIG_IP_NF_AMANDA is not set
+CONFIG_IP_NF_PPTP=m
+CONFIG_IP_NF_QUEUE=m
+CONFIG_IP_NF_IPTABLES=m
+CONFIG_IP_NF_MATCH_LIMIT=m
+CONFIG_IP_NF_MATCH_IPRANGE=m
+CONFIG_IP_NF_MATCH_MAC=m
+CONFIG_IP_NF_MATCH_PKTTYPE=m
+CONFIG_IP_NF_MATCH_MARK=m
+CONFIG_IP_NF_MATCH_MULTIPORT=m
+CONFIG_IP_NF_MATCH_TOS=m
+CONFIG_IP_NF_MATCH_RECENT=m
+CONFIG_IP_NF_MATCH_ECN=m
+CONFIG_IP_NF_MATCH_DSCP=m
+CONFIG_IP_NF_MATCH_AH_ESP=m
+CONFIG_IP_NF_MATCH_LENGTH=m
+CONFIG_IP_NF_MATCH_TTL=m
+CONFIG_IP_NF_MATCH_TCPMSS=m
+CONFIG_IP_NF_MATCH_HELPER=m
+CONFIG_IP_NF_MATCH_STATE=m
+CONFIG_IP_NF_MATCH_CONNTRACK=m
+CONFIG_IP_NF_MATCH_OWNER=m
+# CONFIG_IP_NF_MATCH_PHYSDEV is not set
+CONFIG_IP_NF_MATCH_ADDRTYPE=m
+CONFIG_IP_NF_MATCH_REALM=m
+# CONFIG_IP_NF_MATCH_SCTP is not set
+# CONFIG_IP_NF_MATCH_DCCP is not set
+CONFIG_IP_NF_MATCH_COMMENT=m
+CONFIG_IP_NF_MATCH_CONNMARK=m
+CONFIG_IP_NF_MATCH_CONNBYTES=m
+CONFIG_IP_NF_MATCH_HASHLIMIT=m
+CONFIG_IP_NF_MATCH_STRING=m
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_LOG=m
+CONFIG_IP_NF_TARGET_ULOG=m
+CONFIG_IP_NF_TARGET_TCPMSS=m
+CONFIG_IP_NF_TARGET_NFQUEUE=m
+CONFIG_IP_NF_NAT=m
+CONFIG_IP_NF_NAT_NEEDED=y
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+CONFIG_IP_NF_TARGET_REDIRECT=m
+CONFIG_IP_NF_TARGET_NETMAP=m
+CONFIG_IP_NF_TARGET_SAME=m
+CONFIG_IP_NF_NAT_SNMP_BASIC=m
+CONFIG_IP_NF_NAT_IRC=m
+CONFIG_IP_NF_NAT_FTP=m
+CONFIG_IP_NF_NAT_TFTP=m
+CONFIG_IP_NF_NAT_PPTP=m
+CONFIG_IP_NF_MANGLE=m
+CONFIG_IP_NF_TARGET_TOS=m
+CONFIG_IP_NF_TARGET_ECN=m
+CONFIG_IP_NF_TARGET_DSCP=m
+CONFIG_IP_NF_TARGET_MARK=m
+CONFIG_IP_NF_TARGET_CLASSIFY=m
+CONFIG_IP_NF_TARGET_TTL=m
+CONFIG_IP_NF_TARGET_CONNMARK=m
+CONFIG_IP_NF_TARGET_CLUSTERIP=m
+CONFIG_IP_NF_RAW=m
+CONFIG_IP_NF_TARGET_NOTRACK=m
+CONFIG_IP_NF_ARPTABLES=m
+CONFIG_IP_NF_ARPFILTER=m
+CONFIG_IP_NF_ARP_MANGLE=m
+
+#
+# IPv6: Netfilter Configuration (EXPERIMENTAL)
+#
+CONFIG_IP6_NF_QUEUE=m
+CONFIG_IP6_NF_IPTABLES=m
+CONFIG_IP6_NF_MATCH_LIMIT=m
+CONFIG_IP6_NF_MATCH_MAC=m
+CONFIG_IP6_NF_MATCH_RT=m
+CONFIG_IP6_NF_MATCH_OPTS=m
+CONFIG_IP6_NF_MATCH_FRAG=m
+CONFIG_IP6_NF_MATCH_HL=m
+CONFIG_IP6_NF_MATCH_MULTIPORT=m
+CONFIG_IP6_NF_MATCH_OWNER=m
+CONFIG_IP6_NF_MATCH_MARK=m
+CONFIG_IP6_NF_MATCH_IPV6HEADER=m
+CONFIG_IP6_NF_MATCH_AHESP=m
+CONFIG_IP6_NF_MATCH_LENGTH=m
+CONFIG_IP6_NF_MATCH_EUI64=m
+# CONFIG_IP6_NF_MATCH_PHYSDEV is not set
+CONFIG_IP6_NF_FILTER=m
+CONFIG_IP6_NF_TARGET_LOG=m
+CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_TARGET_NFQUEUE=m
+CONFIG_IP6_NF_MANGLE=m
+CONFIG_IP6_NF_TARGET_MARK=m
+CONFIG_IP6_NF_TARGET_HL=m
+CONFIG_IP6_NF_RAW=m
+
+#
+# Bridge: Netfilter Configuration
+#
+# CONFIG_BRIDGE_NF_EBTABLES is not set
+
+#
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+# CONFIG_ATM is not set
+CONFIG_BRIDGE=m
+CONFIG_VLAN_8021Q=m
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_CLK_JIFFIES=y
+# CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set
+# CONFIG_NET_SCH_CLK_CPU is not set
+CONFIG_NET_SCH_CBQ=m
+CONFIG_NET_SCH_HTB=m
+CONFIG_NET_SCH_HFSC=m
+CONFIG_NET_SCH_PRIO=m
+CONFIG_NET_SCH_RED=m
+CONFIG_NET_SCH_SFQ=m
+CONFIG_NET_SCH_TEQL=m
+CONFIG_NET_SCH_TBF=m
+CONFIG_NET_SCH_GRED=m
+CONFIG_NET_SCH_DSMARK=m
+CONFIG_NET_SCH_NETEM=m
+CONFIG_NET_SCH_INGRESS=m
+CONFIG_NET_QOS=y
+CONFIG_NET_ESTIMATOR=y
+CONFIG_NET_CLS=y
+CONFIG_NET_CLS_BASIC=m
+CONFIG_NET_CLS_TCINDEX=m
+CONFIG_NET_CLS_ROUTE4=m
+CONFIG_NET_CLS_ROUTE=y
+CONFIG_NET_CLS_FW=m
+CONFIG_NET_CLS_U32=m
+CONFIG_CLS_U32_PERF=y
+CONFIG_NET_CLS_IND=y
+CONFIG_CLS_U32_MARK=y
+CONFIG_NET_CLS_RSVP=m
+CONFIG_NET_CLS_RSVP6=m
+CONFIG_NET_EMATCH=y
+CONFIG_NET_EMATCH_STACK=32
+CONFIG_NET_EMATCH_CMP=m
+CONFIG_NET_EMATCH_NBYTE=m
+CONFIG_NET_EMATCH_U32=m
+CONFIG_NET_EMATCH_META=m
+CONFIG_NET_EMATCH_TEXT=m
+CONFIG_NET_CLS_ACT=y
+CONFIG_NET_ACT_POLICE=m
+CONFIG_NET_ACT_GACT=m
+CONFIG_GACT_PROB=y
+CONFIG_NET_ACT_MIRRED=m
+CONFIG_NET_ACT_IPT=m
+CONFIG_NET_ACT_PEDIT=m
+# CONFIG_NET_ACT_SIMP is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=m
+# CONFIG_DEBUG_DRIVER is not set
+
+#
+# Connector - unified userspace <-> kernelspace linker
+#
+CONFIG_CONNECTOR=m
+
+#
+# Memory Technology Devices (MTD)
+#
+# CONFIG_MTD is not set
+
+#
+# Parallel port support
+#
+# CONFIG_PARPORT is not set
+
+#
+# Plug and Play support
+#
+
+#
+# Block devices
+#
+# CONFIG_BLK_CPQ_DA is not set
+# CONFIG_BLK_CPQ_CISS_DA is not set
+# CONFIG_BLK_DEV_DAC960 is not set
+CONFIG_BLK_SSFDC=y
+# CONFIG_BLK_DEV_UMEM is not set
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=m
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_SX8 is not set
+# CONFIG_BLK_DEV_UB is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_BLK_DEV_INITRD=y
+# CONFIG_LBD is not set
+# CONFIG_CDROM_PKTCDVD is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_ATA_OVER_ETH is not set
+
+#
+# ATA/ATAPI/MFM/RLL support
+#
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=m
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=m
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+CONFIG_BLK_DEV_SR=m
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_CHR_DEV_SG=m
+# CONFIG_CHR_DEV_SCH is not set
+
+#
+# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
+#
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+
+#
+# SCSI Transport Attributes
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_ATTRS is not set
+
+#
+# SCSI low-level drivers
+#
+# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_ACARD is not set
+# CONFIG_SCSI_AACRAID is not set
+# CONFIG_SCSI_AIC7XXX is not set
+# CONFIG_SCSI_AIC7XXX_OLD is not set
+# CONFIG_SCSI_AIC79XX is not set
+# CONFIG_SCSI_DPT_I2O is not set
+# CONFIG_MEGARAID_NEWGEN is not set
+# CONFIG_MEGARAID_LEGACY is not set
+# CONFIG_MEGARAID_SAS is not set
+# CONFIG_SCSI_SATA is not set
+# CONFIG_SCSI_DMX3191D is not set
+# CONFIG_SCSI_FUTURE_DOMAIN is not set
+# CONFIG_SCSI_IPS is not set
+# CONFIG_SCSI_INITIO is not set
+# CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_SYM53C8XX_2 is not set
+# CONFIG_SCSI_IPR is not set
+# CONFIG_SCSI_QLOGIC_FC is not set
+# CONFIG_SCSI_QLOGIC_1280 is not set
+CONFIG_SCSI_QLA2XXX=m
+# CONFIG_SCSI_QLA21XX is not set
+# CONFIG_SCSI_QLA22XX is not set
+# CONFIG_SCSI_QLA2300 is not set
+# CONFIG_SCSI_QLA2322 is not set
+# CONFIG_SCSI_QLA6312 is not set
+# CONFIG_SCSI_QLA24XX is not set
+# CONFIG_SCSI_LPFC is not set
+# CONFIG_SCSI_DC395x is not set
+# CONFIG_SCSI_DC390T is not set
+# CONFIG_SCSI_NSP32 is not set
+# CONFIG_SCSI_DEBUG is not set
+
+#
+# Multi-device support (RAID and LVM)
+#
+# CONFIG_MD is not set
+
+#
+# Fusion MPT device support
+#
+# CONFIG_FUSION is not set
+# CONFIG_FUSION_SPI is not set
+# CONFIG_FUSION_FC is not set
+# CONFIG_FUSION_SAS is not set
+
+#
+# IEEE 1394 (FireWire) support
+#
+# CONFIG_IEEE1394 is not set
+
+#
+# I2O device support
+#
+# CONFIG_I2O is not set
+
+#
+# Network device support
+#
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_EQUALIZER is not set
+CONFIG_TUN=m
+
+#
+# ARCnet devices
+#
+# CONFIG_ARCNET is not set
+
+#
+# PHY device support
+#
+CONFIG_PHYLIB=m
+CONFIG_PHYCONTROL=y
+
+#
+# MII PHY device drivers
+#
+CONFIG_MARVELL_PHY=m
+CONFIG_DAVICOM_PHY=m
+CONFIG_QSEMI_PHY=m
+CONFIG_LXT_PHY=m
+CONFIG_CICADA_PHY=m
+
+#
+# Ethernet (10 or 100Mbit)
+#
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_STNIC is not set
+# CONFIG_HAPPYMEAL is not set
+# CONFIG_SUNGEM is not set
+CONFIG_CASSINI=m
+# CONFIG_NET_VENDOR_3COM is not set
+# CONFIG_SMC91X is not set
+
+#
+# Tulip family network device support
+#
+# CONFIG_NET_TULIP is not set
+# CONFIG_HP100 is not set
+# CONFIG_NE2000 is not set
+CONFIG_NET_PCI=y
+# CONFIG_PCNET32 is not set
+# CONFIG_AMD8111_ETH is not set
+# CONFIG_ADAPTEC_STARFIRE is not set
+# CONFIG_B44 is not set
+# CONFIG_FORCEDETH is not set
+# CONFIG_DGRS is not set
+# CONFIG_EEPRO100 is not set
+# CONFIG_E100 is not set
+# CONFIG_FEALNX is not set
+# CONFIG_NATSEMI is not set
+# CONFIG_NE2K_PCI is not set
+# CONFIG_8139CP is not set
+CONFIG_8139TOO=y
+# CONFIG_8139TOO_PIO is not set
+CONFIG_8139TOO_TUNE_TWISTER=y
+# CONFIG_8139TOO_8129 is not set
+CONFIG_8139_OLD_RX_RESET=y
+# CONFIG_SIS900 is not set
+# CONFIG_EPIC100 is not set
+# CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
+# CONFIG_VIA_RHINE is not set
+
+#
+# Ethernet (1000 Mbit)
+#
+# CONFIG_ACENIC is not set
+# CONFIG_DL2K is not set
+# CONFIG_E1000 is not set
+# CONFIG_NS83820 is not set
+# CONFIG_HAMACHI is not set
+# CONFIG_YELLOWFIN is not set
+# CONFIG_R8169 is not set
+# CONFIG_SIS190 is not set
+# CONFIG_SKGE is not set
+# CONFIG_SK98LIN is not set
+# CONFIG_VIA_VELOCITY is not set
+# CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
+
+#
+# Ethernet (10000 Mbit)
+#
+# CONFIG_CHELSIO_T1 is not set
+# CONFIG_IXGB is not set
+# CONFIG_S2IO is not set
+
+#
+# Token Ring devices
+#
+# CONFIG_TR is not set
+
+#
+# Wireless LAN (non-hamradio)
+#
+CONFIG_NET_RADIO=y
+
+#
+# Obsolete Wireless cards support (pre-802.11)
+#
+# CONFIG_STRIP is not set
+
+#
+# Wireless 802.11b ISA/PCI cards support
+#
+# CONFIG_HERMES is not set
+# CONFIG_ATMEL is not set
+
+#
+# Prism GT/Duette 802.11(a/b/g) PCI/Cardbus support
+#
+CONFIG_PRISM54=m
+# CONFIG_HOSTAP is not set
+CONFIG_NET_WIRELESS=y
+
+#
+# Wan interfaces
+#
+# CONFIG_WAN is not set
+# CONFIG_FDDI is not set
+# CONFIG_HIPPI is not set
+CONFIG_PPP=m
+CONFIG_PPP_MULTILINK=y
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_ASYNC=m
+CONFIG_PPP_SYNC_TTY=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_BSDCOMP=m
+CONFIG_PPPOE=m
+# CONFIG_SLIP is not set
+# CONFIG_NET_FC is not set
+# CONFIG_SHAPER is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+
+#
+# ISDN subsystem
+#
+# CONFIG_ISDN is not set
+
+#
+# Telephony Support
+#
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+
+#
+# IPMI
+#
+# CONFIG_IPMI_HANDLER is not set
+
+#
+# Watchdog Cards
+#
+# CONFIG_WATCHDOG is not set
+# CONFIG_RTC is not set
+# CONFIG_GEN_RTC is not set
+# CONFIG_DTLK is not set
+# CONFIG_R3964 is not set
+# CONFIG_APPLICOM is not set
+
+#
+# Ftape, the floppy tape device driver
+#
+# CONFIG_DRM is not set
+# CONFIG_RAW_DRIVER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+
+#
+# I2C support
+#
+# CONFIG_I2C is not set
+
+#
+# Dallas's 1-wire bus
+#
+# CONFIG_W1 is not set
+
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Misc devices
+#
+
+#
+# Multimedia Capabilities Port drivers
+#
+
+#
+# Multimedia devices
+#
+# CONFIG_VIDEO_DEV is not set
+
+#
+# Digital Video Broadcasting Devices
+#
+# CONFIG_DVB is not set
+
+#
+# Graphics support
+#
+# CONFIG_FB is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+
+#
+# Sound
+#
+# CONFIG_SOUND is not set
+
+#
+# USB support
+#
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB=m
+# CONFIG_USB_DEBUG is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+# CONFIG_USB_BANDWIDTH is not set
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+
+#
+# USB Host Controller Drivers
+#
+CONFIG_USB_EHCI_HCD=m
+# CONFIG_USB_EHCI_SPLIT_ISO is not set
+# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
+# CONFIG_USB_ISP116X_HCD is not set
+CONFIG_USB_OHCI_HCD=m
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_UHCI_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_BLUETOOTH_TTY is not set
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+
+#
+# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
+#
+CONFIG_USB_STORAGE=m
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+
+#
+# USB Input Devices
+#
+# CONFIG_USB_HID is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+# CONFIG_USB_AIPTEK is not set
+# CONFIG_USB_WACOM is not set
+# CONFIG_USB_ACECAD is not set
+# CONFIG_USB_KBTAB is not set
+# CONFIG_USB_POWERMATE is not set
+# CONFIG_USB_MTOUCH is not set
+# CONFIG_USB_ITMTOUCH is not set
+# CONFIG_USB_EGALAX is not set
+# CONFIG_USB_YEALINK is not set
+# CONFIG_USB_XPAD is not set
+# CONFIG_USB_ATI_REMOTE is not set
+# CONFIG_USB_KEYSPAN_REMOTE is not set
+# CONFIG_USB_APPLETOUCH is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB Multimedia devices
+#
+# CONFIG_USB_DABUSB is not set
+
+#
+# Video4Linux support is needed for USB Multimedia device support
+#
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_USB_ZD1201 is not set
+CONFIG_USB_MON=y
+
+#
+# USB port drivers
+#
+
+#
+# USB Serial Converter support
+#
+CONFIG_USB_SERIAL=m
+CONFIG_USB_SERIAL_GENERIC=y
+# CONFIG_USB_SERIAL_AIRPRIME is not set
+# CONFIG_USB_SERIAL_BELKIN is not set
+# CONFIG_USB_SERIAL_WHITEHEAT is not set
+# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
+# CONFIG_USB_SERIAL_CP2101 is not set
+# CONFIG_USB_SERIAL_CYPRESS_M8 is not set
+# CONFIG_USB_SERIAL_EMPEG is not set
+# CONFIG_USB_SERIAL_FTDI_SIO is not set
+# CONFIG_USB_SERIAL_VISOR is not set
+# CONFIG_USB_SERIAL_IPAQ is not set
+# CONFIG_USB_SERIAL_IR is not set
+# CONFIG_USB_SERIAL_EDGEPORT is not set
+# CONFIG_USB_SERIAL_EDGEPORT_TI is not set
+# CONFIG_USB_SERIAL_GARMIN is not set
+# CONFIG_USB_SERIAL_IPW is not set
+# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set
+# CONFIG_USB_SERIAL_KEYSPAN is not set
+# CONFIG_USB_SERIAL_KLSI is not set
+# CONFIG_USB_SERIAL_KOBIL_SCT is not set
+# CONFIG_USB_SERIAL_MCT_U232 is not set
+CONFIG_USB_SERIAL_PL2303=m
+# CONFIG_USB_SERIAL_HP4X is not set
+# CONFIG_USB_SERIAL_SAFE is not set
+# CONFIG_USB_SERIAL_TI is not set
+# CONFIG_USB_SERIAL_CYBERJACK is not set
+# CONFIG_USB_SERIAL_XIRCOM is not set
+# CONFIG_USB_SERIAL_OMNINET is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_AUERSWALD is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_PHIDGETKIT is not set
+# CONFIG_USB_PHIDGETSERVO is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_SISUSBVGA is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TEST is not set
+
+#
+# USB DSL modem support
+#
+
+#
+# USB Gadget Support
+#
+# CONFIG_USB_GADGET is not set
+
+#
+# MMC/SD Card support
+#
+# CONFIG_MMC is not set
+
+#
+# InfiniBand support
+#
+# CONFIG_INFINIBAND is not set
+
+#
+# SN Devices
+#
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_FS_XATTR=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+CONFIG_REISERFS_FS=m
+# CONFIG_REISERFS_CHECK is not set
+# CONFIG_REISERFS_PROC_INFO is not set
+# CONFIG_REISERFS_FS_XATTR is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
+# CONFIG_QUOTA is not set
+CONFIG_DNOTIFY=y
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+CONFIG_FUSE_FS=m
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_ZISOFS=y
+CONFIG_ZISOFS_FS=m
+CONFIG_UDF_FS=m
+CONFIG_UDF_NLS=y
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_KCORE=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_HUGETLBFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_RAMFS=y
+CONFIG_RELAYFS_FS=m
+
+#
+# Miscellaneous filesystems
+#
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Network File Systems
+#
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFS_DIRECTIO is not set
+CONFIG_NFSD=y
+CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
+# CONFIG_NFSD_V4 is not set
+CONFIG_NFSD_TCP=y
+CONFIG_ROOT_NFS=y
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+CONFIG_9P_FS=m
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_BSD_DISKLABEL is not set
+# CONFIG_MINIX_SUBPARTITION is not set
+# CONFIG_SOLARIS_X86_PARTITION is not set
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+
+#
+# Native Language Support
+#
+CONFIG_NLS=m
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=m
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=m
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=m
+
+#
+# Profiling support
+#
+# CONFIG_PROFILING is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_DEBUG_KERNEL=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_LOG_BUF_SHIFT=16
+# CONFIG_DETECT_SOFTLOCKUP is not set
+# CONFIG_SCHEDSTATS is not set
+CONFIG_DEBUG_SLAB=y
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_FRAME_POINTER is not set
+# CONFIG_SH_STANDARD_BIOS is not set
+CONFIG_EARLY_SCIF_CONSOLE=y
+# CONFIG_EARLY_PRINTK is not set
+# CONFIG_KGDB is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+
+#
+# Cryptographic options
+#
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_HMAC=y
+# CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_MD4=m
+CONFIG_CRYPTO_MD5=m
+CONFIG_CRYPTO_SHA1=m
+CONFIG_CRYPTO_SHA256=m
+CONFIG_CRYPTO_SHA512=m
+CONFIG_CRYPTO_WP512=m
+CONFIG_CRYPTO_TGR192=m
+CONFIG_CRYPTO_DES=m
+CONFIG_CRYPTO_BLOWFISH=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_AES=m
+CONFIG_CRYPTO_CAST5=m
+CONFIG_CRYPTO_CAST6=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_KHAZAD=m
+CONFIG_CRYPTO_ANUBIS=m
+CONFIG_CRYPTO_DEFLATE=m
+CONFIG_CRYPTO_MICHAEL_MIC=m
+CONFIG_CRYPTO_CRC32C=m
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Hardware crypto devices
+#
+
+#
+# Library routines
+#
+CONFIG_CRC_CCITT=m
+CONFIG_CRC16=m
+CONFIG_CRC32=y
+CONFIG_LIBCRC32C=m
+CONFIG_ZLIB_INFLATE=m
+CONFIG_ZLIB_DEFLATE=m
+CONFIG_TEXTSEARCH=y
+CONFIG_TEXTSEARCH_KMP=m
+CONFIG_TEXTSEARCH_BM=m
+CONFIG_TEXTSEARCH_FSM=m
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index 0f15216cd39d..defc13c37d48 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -11,6 +11,8 @@ config SH_DMA
 config NR_ONCHIP_DMA_CHANNELS
 	depends on SH_DMA
 	int "Number of on-chip DMAC channels"
+	default "8" if CPU_SUBTYPE_SH7750R || CPU_SUBTYPE_SH7751R
+	default "12" if CPU_SUBTYPE_SH7780
 	default "4"
 	help
 	  This allows you to specify the number of channels that the on-chip
@@ -52,4 +54,3 @@ config DMA_PAGE_OPS_CHANNEL
 	  are dual-address capable.
 
 endmenu
-
diff --git a/arch/sh/drivers/dma/dma-g2.c b/arch/sh/drivers/dma/dma-g2.c
index 0f866f8789f0..9cb070924180 100644
--- a/arch/sh/drivers/dma/dma-g2.c
+++ b/arch/sh/drivers/dma/dma-g2.c
@@ -3,7 +3,7 @@
  *
  * G2 bus DMA support
  *
- * Copyright (C) 2003, 2004  Paul Mundt
+ * Copyright (C) 2003 - 2006  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -13,7 +13,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
-
+#include <asm/cacheflush.h>
 #include <asm/mach/sysasic.h>
 #include <asm/mach/dma.h>
 #include <asm/dma.h>
@@ -47,17 +47,31 @@ struct g2_dma_info {
 
 static volatile struct g2_dma_info *g2_dma = (volatile struct g2_dma_info *)0xa05f7800;
 
+#define g2_bytes_remaining(i) \
+	((g2_dma->channel[i].size - \
+	  g2_dma->status[i].size) & 0x0fffffff)
+
 static irqreturn_t g2_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
-	/* FIXME: Do some meaningful completion work here.. */
-	return IRQ_HANDLED;
-}
+	int i;
 
-static struct irqaction g2_dma_irq = {
-	.name		= "g2 DMA handler",
-	.handler	= g2_dma_interrupt,
-	.flags		= IRQF_DISABLED,
-};
+	for (i = 0; i < G2_NR_DMA_CHANNELS; i++) {
+		if (g2_dma->status[i].status & 0x20000000) {
+			unsigned int bytes = g2_bytes_remaining(i);
+
+			if (likely(bytes == 0)) {
+				struct dma_info *info = dev_id;
+				struct dma_channel *chan = info->channels + i;
+
+				wake_up(&chan->wait_queue);
+
+				return IRQ_HANDLED;
+			}
+		}
+	}
+
+	return IRQ_NONE;
+}
 
 static int g2_enable_dma(struct dma_channel *chan)
 {
@@ -135,8 +149,14 @@ static int g2_xfer_dma(struct dma_channel *chan)
 	return 0;
 }
 
+static int g2_get_residue(struct dma_channel *chan)
+{
+	return g2_bytes_remaining(chan->chan);
+}
+
 static struct dma_ops g2_dma_ops = {
 	.xfer		= g2_xfer_dma,
+	.get_residue	= g2_get_residue,
 };
 
 static struct dma_info g2_dma_info = {
@@ -148,13 +168,22 @@ static struct dma_info g2_dma_info = {
 
 static int __init g2_dma_init(void)
 {
-	setup_irq(HW_EVENT_G2_DMA, &g2_dma_irq);
+	int ret;
+
+	ret = request_irq(HW_EVENT_G2_DMA, g2_dma_interrupt, IRQF_DISABLED,
+			  "g2 DMA handler", &g2_dma_info);
+	if (unlikely(ret))
+		return -EINVAL;
 
 	/* Magic */
 	g2_dma->wait_state	= 27;
 	g2_dma->magic		= 0x4659404f;
 
-	return register_dmac(&g2_dma_info);
+	ret = register_dmac(&g2_dma_info);
+	if (unlikely(ret != 0))
+		free_irq(HW_EVENT_G2_DMA, 0);
+
+	return ret;
 }
 
 static void __exit g2_dma_exit(void)
@@ -169,4 +198,3 @@ module_exit(g2_dma_exit);
 MODULE_AUTHOR("Paul Mundt <lethal@linux-sh.org>");
 MODULE_DESCRIPTION("G2 bus DMA driver");
 MODULE_LICENSE("GPL");
-
diff --git a/arch/sh/drivers/dma/dma-pvr2.c b/arch/sh/drivers/dma/dma-pvr2.c
index 30a580aa7cbd..3b0b0f60bb3c 100644
--- a/arch/sh/drivers/dma/dma-pvr2.c
+++ b/arch/sh/drivers/dma/dma-pvr2.c
@@ -18,8 +18,8 @@
 #include <asm/dma.h>
 #include <asm/io.h>
 
-static unsigned int xfer_complete = 0;
-static int count = 0;
+static unsigned int xfer_complete;
+static int count;
 
 static irqreturn_t pvr2_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
@@ -107,4 +107,3 @@ module_exit(pvr2_dma_exit);
 MODULE_AUTHOR("Paul Mundt <lethal@linux-sh.org>");
 MODULE_DESCRIPTION("NEC PowerVR 2 DMA driver");
 MODULE_LICENSE("GPL");
-
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index e028a2d2a4ea..cbbe8bce3d67 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -11,14 +11,10 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
-
 #include <linux/init.h>
-#include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <asm/dreamcast/dma.h>
-#include <asm/signal.h>
-#include <asm/irq.h>
 #include <asm/dma.h>
 #include <asm/io.h>
 #include "dma-sh.h"
@@ -84,18 +80,23 @@ static irqreturn_t dma_tei(int irq, void *dev_id, struct pt_regs *regs)
 
 static int sh_dmac_request_dma(struct dma_channel *chan)
 {
-	char name[32];
+	if (unlikely(!chan->flags & DMA_TEI_CAPABLE))
+		return 0;
 
-	snprintf(name, sizeof(name), "DMAC Transfer End (Channel %d)",
+	chan->name = kzalloc(32, GFP_KERNEL);
+	if (unlikely(chan->name == NULL))
+		return -ENOMEM;
+	snprintf(chan->name, 32, "DMAC Transfer End (Channel %d)",
 		 chan->chan);
 
 	return request_irq(get_dmte_irq(chan->chan), dma_tei,
-			   IRQF_DISABLED, name, chan);
+			   IRQF_DISABLED, chan->name, chan);
 }
 
 static void sh_dmac_free_dma(struct dma_channel *chan)
 {
 	free_irq(get_dmte_irq(chan->chan), chan);
+	kfree(chan->name);
 }
 
 static void
@@ -259,7 +260,7 @@ static int __init sh_dmac_init(void)
 #ifdef CONFIG_CPU_SH4
 	make_ipr_irq(DMAE_IRQ, DMA_IPR_ADDR, DMA_IPR_POS, DMA_PRIORITY);
 	i = request_irq(DMAE_IRQ, dma_err, IRQF_DISABLED, "DMAC Address Error", 0);
-	if (i < 0)
+	if (unlikely(i < 0))
 		return i;
 #endif
 
@@ -274,7 +275,7 @@ static int __init sh_dmac_init(void)
 	 * been set.
 	 */
 	i = dmaor_reset();
-	if (i < 0)
+	if (unlikely(i != 0))
 		return i;
 
 	return register_dmac(info);
diff --git a/arch/sh/drivers/pci/Makefile b/arch/sh/drivers/pci/Makefile
index 365bc16a4a83..9e00cb8a39e9 100644
--- a/arch/sh/drivers/pci/Makefile
+++ b/arch/sh/drivers/pci/Makefile
@@ -6,7 +6,8 @@ obj-y					+= pci.o
 obj-$(CONFIG_PCI_AUTO)			+= pci-auto.o
 
 obj-$(CONFIG_CPU_SUBTYPE_ST40STB1)	+= pci-st40.o
-obj-$(CONFIG_CPU_SUBTYPE_SH7751)	+= pci-sh7751.o 
+obj-$(CONFIG_CPU_SUBTYPE_SH7751)	+= pci-sh7751.o ops-sh4.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7780)	+= pci-sh7780.o ops-sh4.o
 
 obj-$(CONFIG_SH_DREAMCAST)		+= ops-dreamcast.o fixups-dreamcast.o \
 					   dma-dreamcast.o
@@ -14,3 +15,6 @@ obj-$(CONFIG_SH_SECUREEDGE5410)		+= ops-snapgear.o
 obj-$(CONFIG_SH_BIGSUR)			+= ops-bigsur.o
 obj-$(CONFIG_SH_RTS7751R2D)		+= ops-rts7751r2d.o fixups-rts7751r2d.o
 obj-$(CONFIG_SH_SH03)			+= ops-sh03.o fixups-sh03.o
+obj-$(CONFIG_SH_R7780RP)		+= ops-r7780rp.o fixups-r7780rp.o
+obj-$(CONFIG_SH_TITAN)			+= ops-titan.o
+obj-$(CONFIG_SH_LANDISK)		+= ops-landisk.o
diff --git a/arch/sh/drivers/pci/fixups-dreamcast.c b/arch/sh/drivers/pci/fixups-dreamcast.c
index 63b1c6f4b8d2..c0af5f7ef414 100644
--- a/arch/sh/drivers/pci/fixups-dreamcast.c
+++ b/arch/sh/drivers/pci/fixups-dreamcast.c
@@ -4,7 +4,7 @@
  * PCI fixups for the Sega Dreamcast
  *
  * Copyright (C) 2001, 2002  M. R. Brown
- * Copyright (C) 2002, 2003  Paul Mundt
+ * Copyright (C) 2002, 2003, 2006  Paul Mundt
  *
  * This file originally bore the message (with enclosed-$):
  *	Id: pci.c,v 1.3 2003/05/04 19:29:46 lethal Exp
@@ -45,36 +45,16 @@ static void __init gapspci_fixup_resources(struct pci_dev *dev)
 		printk("PCI: Failed resource fixup\n");
 	}
 }
-
 DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, gapspci_fixup_resources);
 
-void __init pcibios_fixup_bus(struct pci_bus *bus)
+int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
 {
-	/* 
-	 * We don't have any sub bus to fix up, and this is a rather
-	 * stupid place to put general device fixups. Don't do it.
-	 * Use the pcibios_fixups table or suffer the consequences.
+	/*
+	 * The interrupt routing semantics here are quite trivial.
+	 *
+	 * We basically only support one interrupt, so we only bother
+	 * updating a device's interrupt line with this single shared
+	 * interrupt. Keeps routing quite simple, doesn't it?
 	 */
+	return GAPSPCI_IRQ;
 }
-
-void __init pcibios_fixup_irqs(void)
-{
-	struct pci_dev *dev = 0;
-
-	for_each_pci_dev(dev) {
-		/*
-		 * The interrupt routing semantics here are quite trivial.
-		 *
-		 * We basically only support one interrupt, so we only bother
-		 * updating a device's interrupt line with this single shared
-		 * interrupt. Keeps routing quite simple, doesn't it?
-		 */
-		printk(KERN_NOTICE "PCI: Fixing up IRQ routing for device %s\n",
-		       pci_name(dev));
-
-		dev->irq = GAPSPCI_IRQ;
-
-		pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
-	}
-}
-
diff --git a/arch/sh/drivers/pci/fixups-r7780rp.c b/arch/sh/drivers/pci/fixups-r7780rp.c
new file mode 100644
index 000000000000..3e321df65d22
--- /dev/null
+++ b/arch/sh/drivers/pci/fixups-r7780rp.c
@@ -0,0 +1,45 @@
+/*
+ * arch/sh/drivers/pci/fixups-r7780rp.c
+ *
+ * Highlander R7780RP-1 PCI fixups
+ *
+ * Copyright (C) 2003  Lineo uSolutions, Inc.
+ * Copyright (C) 2004 - 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/pci.h>
+#include "pci-sh4.h"
+#include <asm/io.h>
+
+int pci_fixup_pcic(void)
+{
+	pci_write_reg(0x000043ff, SH4_PCIINTM);
+	pci_write_reg(0x0000380f, SH4_PCIAINTM);
+
+	pci_write_reg(0xfbb00047, SH7780_PCICMD);
+	pci_write_reg(0x00000000, SH7780_PCIIBAR);
+
+	pci_write_reg(0x00011912, SH7780_PCISVID);
+	pci_write_reg(0x08000000, SH7780_PCICSCR0);
+	pci_write_reg(0x0000001b, SH7780_PCICSAR0);
+	pci_write_reg(0xfd000000, SH7780_PCICSCR1);
+	pci_write_reg(0x0000000f, SH7780_PCICSAR1);
+
+	pci_write_reg(0xfd000000, SH7780_PCIMBR0);
+	pci_write_reg(0x00fc0000, SH7780_PCIMBMR0);
+
+#ifdef CONFIG_32BIT
+	pci_write_reg(0xc0000000, SH7780_PCIMBR2);
+	pci_write_reg(0x20000000 - SH7780_PCI_IO_SIZE, SH7780_PCIMBMR2);
+#endif
+
+	/* Set IOBR for windows containing area specified in pci.h */
+	pci_write_reg((PCIBIOS_MIN_IO & ~(SH7780_PCI_IO_SIZE - 1)),
+		      SH7780_PCIIOBR);
+	pci_write_reg(((SH7780_PCI_IO_SIZE-1) & (7<<18)), SH7780_PCIIOBMR);
+
+	return 0;
+}
diff --git a/arch/sh/drivers/pci/fixups-rts7751r2d.c b/arch/sh/drivers/pci/fixups-rts7751r2d.c
index 0c590fc7a081..e72ceb560d5b 100644
--- a/arch/sh/drivers/pci/fixups-rts7751r2d.c
+++ b/arch/sh/drivers/pci/fixups-rts7751r2d.c
@@ -10,8 +10,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
-#include "pci-sh7751.h"
-#include <asm/io.h>
+#include "pci-sh4.h"
 
 #define PCIMCR_MRSET_OFF	0xBFFFFFFF
 #define PCIMCR_RFSH_OFF		0xFFFFFFFB
@@ -22,22 +21,23 @@ int pci_fixup_pcic(void)
 
 	bcr1 = inl(SH7751_BCR1);
 	bcr1 |= 0x40080000;	/* Enable Bit 19 BREQEN, set PCIC to slave */
-	outl(bcr1, PCI_REG(SH7751_PCIBCR1));
+	pci_write_reg(bcr1, SH4_PCIBCR1);
 
 	/* Enable all interrupts, so we known what to fix */
-	outl(0x0000c3ff, PCI_REG(SH7751_PCIINTM));
-	outl(0x0000380f, PCI_REG(SH7751_PCIAINTM));
+	pci_write_reg(0x0000c3ff, SH4_PCIINTM);
+	pci_write_reg(0x0000380f, SH4_PCIAINTM);
 
-	outl(0xfb900047, PCI_REG(SH7751_PCICONF1));
-	outl(0xab000001, PCI_REG(SH7751_PCICONF4));
+	pci_write_reg(0xfb900047, SH7751_PCICONF1);
+	pci_write_reg(0xab000001, SH7751_PCICONF4);
 
 	mcr = inl(SH7751_MCR);
 	mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF;
-	outl(mcr, PCI_REG(SH7751_PCIMCR));
+	pci_write_reg(mcr, SH4_PCIMCR);
+
+	pci_write_reg(0x0c000000, SH7751_PCICONF5);
+	pci_write_reg(0xd0000000, SH7751_PCICONF6);
+	pci_write_reg(0x0c000000, SH4_PCILAR0);
+	pci_write_reg(0x00000000, SH4_PCILAR1);
 
-	outl(0x0c000000, PCI_REG(SH7751_PCICONF5));
-	outl(0xd0000000, PCI_REG(SH7751_PCICONF6));
-	outl(0x0c000000, PCI_REG(SH7751_PCILAR0));
-	outl(0x00000000, PCI_REG(SH7751_PCILAR1));
 	return 0;
 }
diff --git a/arch/sh/drivers/pci/fixups-sh03.c b/arch/sh/drivers/pci/fixups-sh03.c
index 57ac26c2171f..2e8a18b7ee53 100644
--- a/arch/sh/drivers/pci/fixups-sh03.c
+++ b/arch/sh/drivers/pci/fixups-sh03.c
@@ -3,11 +3,7 @@
 #include <linux/types.h>
 #include <linux/pci.h>
 
-/*
- * 	IRQ functions
- */
-
-int __init pcibios_map_platform_irq(u8 slot, u8 pin, struct pci_dev *dev)
+int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
 {
 	int irq;
 
@@ -17,8 +13,9 @@ int __init pcibios_map_platform_irq(u8 slot, u8 pin, struct pci_dev *dev)
 		case 8: return 5;	/* eth1       */
 		case 6: return 2;	/* PCI bridge */
 		default:
-                	printk("PCI: Bad IRQ mapping request for slot %d\n", slot);
-                	return 2;
+			printk(KERN_ERR "PCI: Bad IRQ mapping request "
+					"for slot %d\n", slot);
+			return 2;
 		}
 	} else {
 		switch (pin) {
@@ -32,30 +29,3 @@ int __init pcibios_map_platform_irq(u8 slot, u8 pin, struct pci_dev *dev)
 	}
 	return irq;
 }
-
-static u8 __init sh03_no_swizzle(struct pci_dev *dev, u8 *pin)
-{
-	/* no swizzling */
-	return PCI_SLOT(dev->devfn);
-}
-
-static int sh03_pci_lookup_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
-	int irq = -1;
-
-	/* now lookup the actual IRQ on a platform specific basis (pci-'platform'.c) */
-	irq = pcibios_map_platform_irq(slot, pin, dev);
-	if( irq < 0 ) {
-		pr_debug("PCI: Error mapping IRQ on device %s\n", pci_name(dev));
-		return irq;
-	}
-
-	pr_debug("Setting IRQ for slot %s to %d\n", pci_name(dev), irq);
-
-	return irq;
-}
-
-void __init pcibios_fixup_irqs(void)
-{
-	pci_fixup_irqs(sh03_no_swizzle, sh03_pci_lookup_irq);
-}
diff --git a/arch/sh/drivers/pci/ops-bigsur.c b/arch/sh/drivers/pci/ops-bigsur.c
index ae82c6ca05e5..5da501bd77b5 100644
--- a/arch/sh/drivers/pci/ops-bigsur.c
+++ b/arch/sh/drivers/pci/ops-bigsur.c
@@ -10,15 +10,12 @@
  *
  * PCI initialization for the Hitachi Big Sur Evaluation Board
  */
-
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/init.h>
-#include <linux/delay.h>
 #include <linux/pci.h>
-
 #include <asm/io.h>
-#include "pci-sh7751.h"
+#include "pci-sh4.h"
 #include <asm/bigsur/bigsur.h>
 
 #define BIGSUR_PCI_IO	0x4000
@@ -41,11 +38,11 @@ static struct resource sh7751_mem_resource = {
 extern struct pci_ops sh7751_pci_ops;
 
 struct pci_channel board_pci_channels[] = {
-	{ &sh7751_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
+	{ &sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
 	{ 0, }
 };
 
-static struct sh7751_pci_address_map sh7751_pci_map = {
+static struct sh4_pci_address_map sh7751_pci_map = {
 	.window0	= {
 		.base	= SH7751_CS3_BASE_ADDR,
 		.size	= BIGSUR_LSR0_SIZE,
@@ -58,7 +55,7 @@ static struct sh7751_pci_address_map sh7751_pci_map = {
 };
 
 /*
- * Initialize the Big Sur PCI interface 
+ * Initialize the Big Sur PCI interface
  * Setup hardware to be Central Funtion
  * Copy the BSR regs to the PCI interface
  * Setup PCI windows into local RAM
@@ -68,15 +65,15 @@ int __init pcibios_init_platform(void)
 	return sh7751_pcic_init(&sh7751_pci_map);
 }
 
-int pcibios_map_platform_irq(u8 slot, u8 pin)
+int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
 {
-	/* 
+	/*
 	 * The Big Sur can be used in a CPCI chassis, but the SH7751 PCI
 	 * interface is on the wrong end of the board so that it can also
 	 * support a V320 CPI interface chip...  Therefor the IRQ mapping is
 	 * somewhat use dependent... I'l assume a linear map for now, i.e.
 	 * INTA=slot0,pin0... INTD=slot3,pin0...
-	 */ 
+	 */
 	int irq = (slot + pin-1) % 4 + BIGSUR_SH7751_PCI_IRQ_BASE;
 
 	PCIDBG(2, "PCI: Mapping Big Sur IRQ for slot %d, pin %c to irq %d\n",
@@ -84,4 +81,3 @@ int pcibios_map_platform_irq(u8 slot, u8 pin)
 
 	return irq;
 }
-
diff --git a/arch/sh/drivers/pci/ops-landisk.c b/arch/sh/drivers/pci/ops-landisk.c
new file mode 100644
index 000000000000..ada301c21fe7
--- /dev/null
+++ b/arch/sh/drivers/pci/ops-landisk.c
@@ -0,0 +1,68 @@
+/*
+ * arch/sh/drivers/pci/ops-landisk.c
+ *
+ * PCI initialization for the I-O DATA Device, Inc. LANDISK board
+ *
+ * Copyright (C) 2006 kogiidena
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ */
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include "pci-sh4.h"
+
+static struct resource sh7751_io_resource = {
+	.name = "SH7751 IO",
+	.start = 0x4000,
+	.end = 0x4000 + SH7751_PCI_IO_SIZE - 1,
+	.flags = IORESOURCE_IO
+};
+
+static struct resource sh7751_mem_resource = {
+	.name = "SH7751 mem",
+	.start = SH7751_PCI_MEMORY_BASE,
+	.end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
+	.flags = IORESOURCE_MEM
+};
+
+struct pci_channel board_pci_channels[] = {
+	{&sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0x3ff},
+	{NULL, NULL, NULL, 0, 0},
+};
+
+static struct sh4_pci_address_map sh7751_pci_map = {
+	.window0 = {
+		.base	= SH7751_CS3_BASE_ADDR,
+		.size	= (64 << 20),	/* 64MB */
+	},
+
+	.flags = SH4_PCIC_NO_RESET,
+};
+
+int __init pcibios_init_platform(void)
+{
+	return sh7751_pcic_init(&sh7751_pci_map);
+}
+
+int pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
+{
+	/*
+	 * slot0: pin1-4 = irq5,6,7,8
+	 * slot1: pin1-4 = irq6,7,8,5
+	 * slot2: pin1-4 = irq7,8,5,6
+	 * slot3: pin1-4 = irq8,5,6,7
+	 */
+	int irq = ((slot + pin - 1) & 0x3) + 5;
+
+	if ((slot | (pin - 1)) > 0x3) {
+		printk("PCI: Bad IRQ mapping request for slot %d pin %c\n",
+		       slot, pin - 1 + 'A');
+		return -1;
+	}
+	return irq;
+}
diff --git a/arch/sh/drivers/pci/ops-r7780rp.c b/arch/sh/drivers/pci/ops-r7780rp.c
new file mode 100644
index 000000000000..554d5ed2c586
--- /dev/null
+++ b/arch/sh/drivers/pci/ops-r7780rp.c
@@ -0,0 +1,75 @@
+/*
+ * Author:  Ian DaSilva (idasilva@mvista.com)
+ *
+ * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ * PCI initialization for the Renesas SH7780 Highlander R7780RP-1 board
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <asm/r7780rp/r7780rp.h>
+#include <asm/io.h>
+#include "pci-sh4.h"
+
+int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
+{
+        switch (slot) {
+	case 0: return IRQ_PCISLOT1;		/* PCI Interrupt #1 */
+	case 1: return IRQ_PCISLOT2;		/* PCI Interrupt #2 */
+	case 2: return IRQ_PCISLOT3;		/* PCI Interrupt #3 */
+	case 3: return IRQ_PCISLOT4;		/* PCI Interrupt E4 */
+	default:
+		printk(KERN_ERR "PCI: Bad IRQ mapping "
+		       "request for slot %d, func %d\n", slot, pin-1);
+		return -1;
+	}
+}
+
+static struct resource sh7780_io_resource = {
+	.name	= "SH7780_IO",
+	.start	= 0x2000,
+	.end	= 0x2000 + SH7780_PCI_IO_SIZE - 1,
+	.flags	= IORESOURCE_IO
+};
+
+static struct resource sh7780_mem_resource = {
+	.name	= "SH7780_mem",
+	.start	= SH7780_PCI_MEMORY_BASE,
+	.end	= SH7780_PCI_MEMORY_BASE + SH7780_PCI_MEM_SIZE - 1,
+	.flags	= IORESOURCE_MEM
+};
+
+extern struct pci_ops sh7780_pci_ops;
+
+struct pci_channel board_pci_channels[] = {
+	{ &sh4_pci_ops, &sh7780_io_resource, &sh7780_mem_resource, 0, 0xff },
+	{ NULL, NULL, NULL, 0, 0 },
+};
+EXPORT_SYMBOL(board_pci_channels);
+
+static struct sh4_pci_address_map sh7780_pci_map = {
+	.window0	= {
+		.base	= SH7780_CS2_BASE_ADDR,
+		.size	= 0x04000000,
+	},
+
+	.window1	= {
+		.base	= SH7780_CS3_BASE_ADDR,
+		.size	= 0x04000000,
+	},
+
+	.flags	= SH4_PCIC_NO_RESET,
+};
+
+int __init pcibios_init_platform(void)
+{
+	return sh7780_pcic_init(&sh7780_pci_map);
+}
diff --git a/arch/sh/drivers/pci/ops-rts7751r2d.c b/arch/sh/drivers/pci/ops-rts7751r2d.c
index 83171d10141a..88f44e245424 100644
--- a/arch/sh/drivers/pci/ops-rts7751r2d.c
+++ b/arch/sh/drivers/pci/ops-rts7751r2d.c
@@ -17,12 +17,11 @@
 #include <linux/delay.h>
 #include <linux/pci.h>
 #include <linux/module.h>
-
-#include <asm/io.h>
-#include "pci-sh7751.h"
 #include <asm/rts7751r2d/rts7751r2d.h>
+#include <asm/io.h>
+#include "pci-sh4.h"
 
-int __init pcibios_map_platform_irq(u8 slot, u8 pin)
+int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
 {
         switch (slot) {
 	case 0: return IRQ_PCISLOT1;	/* PCI Extend slot #1 */
@@ -52,12 +51,12 @@ static struct resource sh7751_mem_resource = {
 extern struct pci_ops sh7751_pci_ops;
 
 struct pci_channel board_pci_channels[] = {
-	{ &sh7751_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
+	{ &sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
 	{ NULL, NULL, NULL, 0, 0 },
 };
 EXPORT_SYMBOL(board_pci_channels);
 
-static struct sh7751_pci_address_map sh7751_pci_map = {
+static struct sh4_pci_address_map sh7751_pci_map = {
 	.window0	= {
 		.base	= SH7751_CS3_BASE_ADDR,
 		.size	= 0x04000000,
@@ -68,7 +67,7 @@ static struct sh7751_pci_address_map sh7751_pci_map = {
 		.size	= 0x00000000,	/* Unused */
 	},
 
-	.flags	= SH7751_PCIC_NO_RESET,
+	.flags	= SH4_PCIC_NO_RESET,
 };
 
 int __init pcibios_init_platform(void)
diff --git a/arch/sh/drivers/pci/ops-sh4.c b/arch/sh/drivers/pci/ops-sh4.c
new file mode 100644
index 000000000000..2d4371009a5e
--- /dev/null
+++ b/arch/sh/drivers/pci/ops-sh4.c
@@ -0,0 +1,164 @@
+/*
+ * Generic SH-4 / SH-4A PCIC operations (SH7751, SH7780).
+ *
+ * Copyright (C) 2002 - 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License v2. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/pci.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include "pci-sh4.h"
+
+/*
+ * Direct access to PCI hardware...
+ */
+#define CONFIG_CMD(bus, devfn, where) \
+	P1SEGADDR((bus->number << 16) | (devfn << 8) | (where & ~3))
+
+static DEFINE_SPINLOCK(sh4_pci_lock);
+
+/*
+ * Functions for accessing PCI configuration space with type 1 accesses
+ */
+static int sh4_pci_read(struct pci_bus *bus, unsigned int devfn,
+			   int where, int size, u32 *val)
+{
+	unsigned long flags;
+	u32 data;
+
+	/*
+	 * PCIPDR may only be accessed as 32 bit words,
+	 * so we must do byte alignment by hand
+	 */
+	spin_lock_irqsave(&sh4_pci_lock, flags);
+	pci_write_reg(CONFIG_CMD(bus, devfn, where), SH4_PCIPAR);
+	data = pci_read_reg(SH4_PCIPDR);
+	spin_unlock_irqrestore(&sh4_pci_lock, flags);
+
+	switch (size) {
+	case 1:
+		*val = (data >> ((where & 3) << 3)) & 0xff;
+		break;
+	case 2:
+		*val = (data >> ((where & 2) << 3)) & 0xffff;
+		break;
+	case 4:
+		*val = data;
+		break;
+	default:
+		return PCIBIOS_FUNC_NOT_SUPPORTED;
+	}
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+/*
+ * Since SH4 only does 32bit access we'll have to do a read,
+ * mask,write operation.
+ * We'll allow an odd byte offset, though it should be illegal.
+ */
+static int sh4_pci_write(struct pci_bus *bus, unsigned int devfn,
+			 int where, int size, u32 val)
+{
+	unsigned long flags;
+	int shift;
+	u32 data;
+
+	spin_lock_irqsave(&sh4_pci_lock, flags);
+	pci_write_reg(CONFIG_CMD(bus, devfn, where), SH4_PCIPAR);
+	data = pci_read_reg(SH4_PCIPDR);
+	spin_unlock_irqrestore(&sh4_pci_lock, flags);
+
+	switch (size) {
+	case 1:
+		shift = (where & 3) << 3;
+		data &= ~(0xff << shift);
+		data |= ((val & 0xff) << shift);
+		break;
+	case 2:
+		shift = (where & 2) << 3;
+		data &= ~(0xffff << shift);
+		data |= ((val & 0xffff) << shift);
+		break;
+	case 4:
+		data = val;
+		break;
+	default:
+		return PCIBIOS_FUNC_NOT_SUPPORTED;
+	}
+
+	pci_write_reg(data, SH4_PCIPDR);
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+struct pci_ops sh4_pci_ops = {
+	.read		= sh4_pci_read,
+	.write		= sh4_pci_write,
+};
+
+/*
+ * Not really related to pci_ops, but it's common and not worth shoving
+ * somewhere else for now..
+ */
+static unsigned int pci_probe = PCI_PROBE_CONF1;
+
+int __init sh4_pci_check_direct(void)
+{
+	/*
+	 * Check if configuration works.
+	 */
+	if (pci_probe & PCI_PROBE_CONF1) {
+		unsigned int tmp = pci_read_reg(SH4_PCIPAR);
+
+		pci_write_reg(P1SEG, SH4_PCIPAR);
+
+		if (pci_read_reg(SH4_PCIPAR) == P1SEG) {
+			pci_write_reg(tmp, SH4_PCIPAR);
+			printk(KERN_INFO "PCI: Using configuration type 1\n");
+			request_region(PCI_REG(SH4_PCIPAR), 8, "PCI conf1");
+
+			return 0;
+		}
+
+		pci_write_reg(tmp, SH4_PCIPAR);
+	}
+
+	pr_debug("PCI: pci_check_direct failed\n");
+	return -EINVAL;
+}
+
+/* Handle generic fixups */
+static void __init pci_fixup_ide_bases(struct pci_dev *d)
+{
+	int i;
+
+	/*
+	 * PCI IDE controllers use non-standard I/O port decoding, respect it.
+	 */
+	if ((d->class >> 8) != PCI_CLASS_STORAGE_IDE)
+		return;
+	pr_debug("PCI: IDE base address fixup for %s\n", pci_name(d));
+	for(i = 0; i < 4; i++) {
+		struct resource *r = &d->resource[i];
+
+		if ((r->start & ~0x80) == 0x374) {
+			r->start |= 2;
+			r->end = r->start;
+		}
+	}
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases);
+
+char * __init pcibios_setup(char *str)
+{
+	if (!strcmp(str, "off")) {
+		pci_probe = 0;
+		return NULL;
+	}
+
+	return str;
+}
diff --git a/arch/sh/drivers/pci/ops-snapgear.c b/arch/sh/drivers/pci/ops-snapgear.c
index 3cbd14dd28fe..53dd893d4e54 100644
--- a/arch/sh/drivers/pci/ops-snapgear.c
+++ b/arch/sh/drivers/pci/ops-snapgear.c
@@ -2,7 +2,7 @@
  * arch/sh/drivers/pci/ops-snapgear.c
  *
  * Author:  David McCullough <davidm@snapgear.com>
- * 
+ *
  * Ported to new API by Paul Mundt <lethal@linux-sh.org>
  *
  * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
@@ -12,15 +12,11 @@
  *
  * PCI initialization for the SnapGear boards
  */
-
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/init.h>
-#include <linux/delay.h>
 #include <linux/pci.h>
-
-#include <asm/io.h>
-#include "pci-sh7751.h"
+#include "pci-sh4.h"
 
 #define SNAPGEAR_PCI_IO		0x4000
 #define SNAPGEAR_PCI_MEM	0xfd000000
@@ -43,14 +39,12 @@ static struct resource sh7751_mem_resource = {
 	.flags		= IORESOURCE_MEM,
 };
 
-extern struct pci_ops sh7751_pci_ops;
-
 struct pci_channel board_pci_channels[] = {
-	{ &sh7751_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
+	{ &sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
 	{ 0, }
 };
 
-static struct sh7751_pci_address_map sh7751_pci_map = {
+static struct sh4_pci_address_map sh7751_pci_map = {
 	.window0	= {
 		.base	= SH7751_CS2_BASE_ADDR,
 		.size	= SNAPGEAR_LSR0_SIZE,
@@ -61,11 +55,11 @@ static struct sh7751_pci_address_map sh7751_pci_map = {
 		.size	= SNAPGEAR_LSR1_SIZE,
 	},
 
-	.flags	= SH7751_PCIC_NO_RESET,
+	.flags	= SH4_PCIC_NO_RESET,
 };
 
 /*
- * Initialize the SnapGear PCI interface 
+ * Initialize the SnapGear PCI interface
  * Setup hardware to be Central Funtion
  * Copy the BSR regs to the PCI interface
  * Setup PCI windows into local RAM
@@ -75,7 +69,7 @@ int __init pcibios_init_platform(void)
 	return sh7751_pcic_init(&sh7751_pci_map);
 }
 
-int __init pcibios_map_platform_irq(u8 slot, u8 pin)
+int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
 {
 	int irq = -1;
 
@@ -98,4 +92,3 @@ void __init pcibios_fixup(void)
 {
 	/* Nothing to fixup .. */
 }
-
diff --git a/arch/sh/drivers/pci/ops-titan.c b/arch/sh/drivers/pci/ops-titan.c
new file mode 100644
index 000000000000..c6097bcd97fd
--- /dev/null
+++ b/arch/sh/drivers/pci/ops-titan.c
@@ -0,0 +1,83 @@
+/*
+ * arch/sh/drivers/pci/ops-titan.c
+ *
+ * Ported to new API by Paul Mundt <lethal@linux-sh.org>
+ *
+ * Modified from ops-snapgear.c written by  David McCullough
+ * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ * PCI initialization for the Titan boards
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+#include <asm/titan.h>
+#include "pci-sh4.h"
+
+int __init pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin)
+{
+	int irq = -1;
+
+	switch (slot) {
+	case 0: irq = TITAN_IRQ_WAN;   break;	/* eth0 (WAN) */
+	case 1: irq = TITAN_IRQ_LAN;   break;	/* eth1 (LAN) */
+	case 2: irq = TITAN_IRQ_MPCIA; break;	/* mPCI A */
+	case 3: irq = TITAN_IRQ_MPCIB; break;	/* mPCI B */
+	case 4: irq = TITAN_IRQ_USB;   break;	/* USB */
+	default:
+		printk(KERN_INFO "PCI: Bad IRQ mapping "
+				 "request for slot %d\n", slot);
+		return -1;
+	}
+
+	printk("PCI: Mapping TITAN IRQ for slot %d, pin %c to irq %d\n",
+		slot, pin - 1 + 'A', irq);
+
+	return irq;
+}
+
+static struct resource sh7751_io_resource = {
+	.name	= "SH7751_IO",
+	.start	= SH7751_PCI_IO_BASE,
+	.end	= SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1,
+	.flags	= IORESOURCE_IO
+};
+
+static struct resource sh7751_mem_resource = {
+	.name	= "SH7751_mem",
+	.start	= SH7751_PCI_MEMORY_BASE,
+	.end	= SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
+	.flags	= IORESOURCE_MEM
+};
+
+struct pci_channel board_pci_channels[] = {
+	{ &sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
+	{ NULL, NULL, NULL, 0, 0 },
+};
+EXPORT_SYMBOL(board_pci_channels);
+
+static struct sh4_pci_address_map sh7751_pci_map = {
+	.window0	= {
+		.base	= SH7751_CS2_BASE_ADDR,
+		.size	= SH7751_MEM_REGION_SIZE*2,	/* cs2 and cs3 */
+	},
+
+	.window1	= {
+		.base	= SH7751_CS2_BASE_ADDR,
+		.size	= SH7751_MEM_REGION_SIZE*2,
+	},
+
+	.flags	= SH4_PCIC_NO_RESET,
+};
+
+int __init pcibios_init_platform(void)
+{
+	return sh7751_pcic_init(&sh7751_pci_map);
+}
diff --git a/arch/sh/drivers/pci/pci-auto.c b/arch/sh/drivers/pci/pci-auto.c
index 4cef4d1d8c84..ecf16344f94a 100644
--- a/arch/sh/drivers/pci/pci-auto.c
+++ b/arch/sh/drivers/pci/pci-auto.c
@@ -45,11 +45,11 @@
 #include <linux/types.h>
 #include <linux/pci.h>
 
-#undef	DEBUG
-#ifdef 	DEBUG
+#define	DEBUG
+#ifdef	DEBUG
 #define	DBG(x...)	printk(x)
 #else
-#define	DBG(x...)	
+#define	DBG(x...)
 #endif
 
 /*
@@ -102,7 +102,7 @@ static u32 pciauto_upper_iospc;
 static u32 pciauto_lower_memspc;
 static u32 pciauto_upper_memspc;
 
-static void __init 
+static void __init
 pciauto_setup_bars(struct pci_channel *hose,
 		   int top_bus,
 		   int current_bus,
@@ -116,7 +116,6 @@ pciauto_setup_bars(struct pci_channel *hose,
 	int found_mem64 = 0;
 
 	for (bar = PCI_BASE_ADDRESS_0; bar <= bar_limit; bar+=4) {
-#if !defined(CONFIG_SH_HS7751RVOIP) && !defined(CONFIG_SH_RTS7751R2D)
 		u32 bar_addr;
 
 		/* Read the old BAR value */
@@ -125,7 +124,6 @@ pciauto_setup_bars(struct pci_channel *hose,
 					pci_devfn,
 					bar,
 					&bar_addr);
-#endif
 
 		/* Tickle the BAR and get the response */
 		early_write_config_dword(hose, top_bus,
@@ -140,8 +138,7 @@ pciauto_setup_bars(struct pci_channel *hose,
 					bar,
 					&bar_response);
 
-#if !defined(CONFIG_SH_HS7751RVOIP) && !defined(CONFIG_SH_RTS7751R2D)
-		/* 
+		/*
 		 * Write the old BAR value back out, only update the BAR
 		 * if we implicitly want resources to be updated, which
 		 * is done by the generic code further down. -- PFM.
@@ -151,7 +148,6 @@ pciauto_setup_bars(struct pci_channel *hose,
 					 pci_devfn,
 					 bar,
 					 bar_addr);
-#endif
 
 		/* If BAR is not implemented go to the next BAR */
 		if (!bar_response)
@@ -177,7 +173,7 @@ retry:
 			    PCI_BASE_ADDRESS_MEM_TYPE_64)
 				found_mem64 = 1;
 
-			addr_mask = PCI_BASE_ADDRESS_MEM_MASK;		
+			addr_mask = PCI_BASE_ADDRESS_MEM_MASK;
 			upper_limit = &pciauto_upper_memspc;
 			lower_limit = &pciauto_lower_memspc;
 			DBG("        Mem");
@@ -193,22 +189,22 @@ retry:
 		if ((bar_value + bar_size) > *upper_limit) {
 			if (bar_response & PCI_BASE_ADDRESS_SPACE) {
 				if (io_resource_inuse->child) {
-					io_resource_inuse = 
+					io_resource_inuse =
 						io_resource_inuse->child;
-					pciauto_lower_iospc = 
+					pciauto_lower_iospc =
 						io_resource_inuse->start;
-					pciauto_upper_iospc = 
+					pciauto_upper_iospc =
 						io_resource_inuse->end + 1;
 					goto retry;
 				}
 
 			} else {
 				if (mem_resource_inuse->child) {
-					mem_resource_inuse = 
+					mem_resource_inuse =
 						mem_resource_inuse->child;
-					pciauto_lower_memspc = 
+					pciauto_lower_memspc =
 						mem_resource_inuse->start;
-					pciauto_upper_memspc = 
+					pciauto_upper_memspc =
 						mem_resource_inuse->end + 1;
 					goto retry;
 				}
@@ -230,7 +226,7 @@ retry:
 		 * If we are a 64-bit decoder then increment to the
 		 * upper 32 bits of the bar and force it to locate
 		 * in the lower 4GB of memory.
-		 */ 
+		 */
 		if (found_mem64) {
 			bar += 4;
 			early_write_config_dword(hose, top_bus,
@@ -362,7 +358,6 @@ pciauto_postscan_setup_cardbus_bridge(struct pci_channel *hose,
 {
 	u32 temp;
 
-#if !defined(CONFIG_SH_HS7751RVOIP) && !defined(CONFIG_SH_RTS7751R2D)
 	/*
 	 * [jsun] we always bump up baselines a little, so that if there
 	 * nothing behind P2P bridge, we don't wind up overlapping IO/MEM
@@ -370,7 +365,6 @@ pciauto_postscan_setup_cardbus_bridge(struct pci_channel *hose,
 	 */
 	pciauto_lower_memspc += 1;
 	pciauto_lower_iospc += 1;
-#endif
 
 	/*
 	 * Configure subordinate bus number.  The PCI subsystem
@@ -396,11 +390,6 @@ pciauto_postscan_setup_cardbus_bridge(struct pci_channel *hose,
 	 * configured by this routine to happily live behind a
 	 * P2P bridge in a system.
 	 */
-#if defined(CONFIG_SH_HS7751RVOIP) || defined(CONFIG_SH_RTS7751R2D)
-	pciauto_lower_memspc += 0x00400000;
-	pciauto_lower_iospc += 0x00004000;
-#endif
-
 	/* Align memory and I/O to 4KB and 4 byte boundaries. */
 	pciauto_lower_memspc = (pciauto_lower_memspc + (0x1000 - 1))
 		& ~(0x1000 - 1);
@@ -433,12 +422,12 @@ pciauto_bus_scan(struct pci_channel *hose, int top_bus, int current_bus)
 	int devfn_stop = 0xff;
 
 	sub_bus = current_bus;
-	
+
 	if (hose->first_devfn)
 		devfn_start = hose->first_devfn;
 	if (hose->last_devfn)
 		devfn_stop = hose->last_devfn;
-	
+
 	for (pci_devfn=devfn_start; pci_devfn<devfn_stop; pci_devfn++) {
 
 		if (PCI_FUNC(pci_devfn) && !found_multi)
@@ -471,9 +460,6 @@ pciauto_bus_scan(struct pci_channel *hose, int top_bus, int current_bus)
 		if ((pci_class >> 16) == PCI_CLASS_BRIDGE_PCI) {
 			DBG("        Bridge: primary=%.2x, secondary=%.2x\n",
 				current_bus, sub_bus + 1);
-#if defined(CONFIG_SH_HS7751RVOIP) || defined(CONFIG_SH_RTS7751R2D)
-			pciauto_setup_bars(hose, top_bus, current_bus, pci_devfn, PCI_BASE_ADDRESS_1);
-#endif
 			pciauto_prescan_setup_bridge(hose, top_bus, current_bus,
 						     pci_devfn, sub_bus);
 			DBG("Scanning sub bus %.2x, I/O 0x%.8x, Mem 0x%.8x\n",
@@ -490,10 +476,10 @@ pciauto_bus_scan(struct pci_channel *hose, int top_bus, int current_bus)
 			DBG("PCI Autoconfig: Found CardBus bridge, device %d function %d\n", PCI_SLOT(pci_devfn), PCI_FUNC(pci_devfn));
 			/* Place CardBus Socket/ExCA registers */
 			pciauto_setup_bars(hose, top_bus, current_bus, pci_devfn, PCI_BASE_ADDRESS_0);
- 
+
 			pciauto_prescan_setup_cardbus_bridge(hose, top_bus,
 					current_bus, pci_devfn, sub_bus);
- 
+
 			DBG("Scanning sub bus %.2x, I/O 0x%.8x, Mem 0x%.8x\n",
 				sub_bus + 1,
 				pciauto_lower_iospc, pciauto_lower_memspc);
diff --git a/arch/sh/drivers/pci/pci-sh4.h b/arch/sh/drivers/pci/pci-sh4.h
new file mode 100644
index 000000000000..5a61d6041f2c
--- /dev/null
+++ b/arch/sh/drivers/pci/pci-sh4.h
@@ -0,0 +1,180 @@
+#ifndef __PCI_SH4_H
+#define __PCI_SH4_H
+
+#ifdef CONFIG_CPU_SUBTYPE_SH7780
+#include "pci-sh7780.h"
+#else
+#include "pci-sh7751.h"
+#endif
+
+#include <asm/io.h>
+
+/* startup values */
+#define PCI_PROBE_BIOS		1
+#define PCI_PROBE_CONF1		2
+#define PCI_PROBE_CONF2		4
+#define PCI_NO_SORT		0x100
+#define PCI_BIOS_SORT		0x200
+#define PCI_NO_CHECKS		0x400
+#define PCI_ASSIGN_ROMS		0x1000
+#define PCI_BIOS_IRQ_SCAN	0x2000
+
+#define SH4_PCICR		0x100		/* PCI Control Register */
+  #define SH4_PCICR_PREFIX	  0xA5000000	/* CR prefix for write */
+  #define SH4_PCICR_FTO		  0x00000400	/* TRDY/IRDY Enable */
+  #define SH4_PCICR_TRSB	  0x00000200	/* Target Read Single */
+  #define SH4_PCICR_BSWP	  0x00000100	/* Target Byte Swap */
+  #define SH4_PCICR_PLUP	  0x00000080	/* Enable PCI Pullup */
+  #define SH4_PCICR_ARBM	  0x00000040	/* PCI Arbitration Mode */
+  #define SH4_PCICR_MD		  0x00000030	/* MD9 and MD10 status */
+  #define SH4_PCICR_SERR	  0x00000008	/* SERR output assert */
+  #define SH4_PCICR_INTA	  0x00000004	/* INTA output assert */
+  #define SH4_PCICR_PRST	  0x00000002	/* PCI Reset Assert */
+  #define SH4_PCICR_CFIN	  0x00000001	/* Central Fun. Init Done */
+#define SH4_PCILSR0		0x104		/* PCI Local Space Register0 */
+#define SH4_PCILSR1		0x108		/* PCI Local Space Register1 */
+#define SH4_PCILAR0		0x10C		/* PCI Local Addr Register1 */
+#define SH4_PCILAR1		0x110		/* PCI Local Addr Register1 */
+#define SH4_PCIINT		0x114		/* PCI Interrupt Register */
+  #define SH4_PCIINT_MLCK	  0x00008000	/* Master Lock Error */
+  #define SH4_PCIINT_TABT	  0x00004000	/* Target Abort Error */
+  #define SH4_PCIINT_TRET	  0x00000200	/* Target Retry Error */
+  #define SH4_PCIINT_MFDE	  0x00000100	/* Master Func. Disable Error */
+  #define SH4_PCIINT_PRTY	  0x00000080	/* Address Parity Error */
+  #define SH4_PCIINT_SERR	  0x00000040	/* SERR Detection Error */
+  #define SH4_PCIINT_TWDP	  0x00000020	/* Tgt. Write Parity Error */
+  #define SH4_PCIINT_TRDP	  0x00000010	/* Tgt. Read Parity Err Det. */
+  #define SH4_PCIINT_MTABT	  0x00000008	/* Master-Tgt. Abort Error */
+  #define SH4_PCIINT_MMABT	  0x00000004	/* Master-Master Abort Error */
+  #define SH4_PCIINT_MWPD	  0x00000002	/* Master Write PERR Detect */
+  #define SH4_PCIINT_MRPD	  0x00000001	/* Master Read PERR Detect */
+#define SH4_PCIINTM		0x118		/* PCI Interrupt Mask */
+#define SH4_PCIALR		0x11C		/* Error Address Register */
+#define SH4_PCICLR		0x120		/* Error Command/Data */
+  #define SH4_PCICLR_MPIO	  0x80000000
+  #define SH4_PCICLR_MDMA0	  0x40000000	/* DMA0 Transfer Error */
+  #define SH4_PCICLR_MDMA1	  0x20000000	/* DMA1 Transfer Error */
+  #define SH4_PCICLR_MDMA2	  0x10000000	/* DMA2 Transfer Error */
+  #define SH4_PCICLR_MDMA3	  0x08000000	/* DMA3 Transfer Error */
+  #define SH4_PCICLR_TGT	  0x04000000	/* Target Transfer Error */
+  #define SH4_PCICLR_CMDL	  0x0000000F	/* PCI Command at Error */
+#define SH4_PCIAINT		0x130		/* Arbiter Interrupt Register */
+  #define SH4_PCIAINT_MBKN	  0x00002000	/* Master Broken Interrupt */
+  #define SH4_PCIAINT_TBTO	  0x00001000	/* Target Bus Time Out */
+  #define SH4_PCIAINT_MBTO	  0x00001000	/* Master Bus Time Out */
+  #define SH4_PCIAINT_TABT	  0x00000008	/* Target Abort */
+  #define SH4_PCIAINT_MABT	  0x00000004	/* Master Abort */
+  #define SH4_PCIAINT_RDPE	  0x00000002	/* Read Data Parity Error */
+  #define SH4_PCIAINT_WDPE	  0x00000001	/* Write Data Parity Error */
+#define SH4_PCIAINTM            0x134		/* Arbiter Int. Mask Register */
+#define SH4_PCIBMLR		0x138		/* Error Bus Master Register */
+  #define SH4_PCIBMLR_REQ4	  0x00000010	/* REQ4 bus master at error */
+  #define SH4_PCIBMLR_REQ3	  0x00000008	/* REQ3 bus master at error */
+  #define SH4_PCIBMLR_REQ2	  0x00000004	/* REQ2 bus master at error */
+  #define SH4_PCIBMLR_REQ1	  0x00000002	/* REQ1 bus master at error */
+  #define SH4_PCIBMLR_REQ0	  0x00000001	/* REQ0 bus master at error */
+#define SH4_PCIDMABT		0x140		/* DMA Transfer Arb. Register */
+  #define SH4_PCIDMABT_RRBN	  0x00000001	/* DMA Arbitor Round-Robin */
+#define SH4_PCIDPA0		0x180		/* DMA0 Transfer Addr. */
+#define SH4_PCIDLA0		0x184		/* DMA0 Local Addr. */
+#define SH4_PCIDTC0		0x188		/* DMA0 Transfer Cnt. */
+#define SH4_PCIDCR0		0x18C		/* DMA0 Control Register */
+  #define SH4_PCIDCR_ALGN	  0x00000600	/* DMA Alignment Mode */
+  #define SH4_PCIDCR_MAST	  0x00000100	/* DMA Termination Type */
+  #define SH4_PCIDCR_INTM	  0x00000080	/* DMA Interrupt Done Mask*/
+  #define SH4_PCIDCR_INTS	  0x00000040	/* DMA Interrupt Done Status */
+  #define SH4_PCIDCR_LHLD	  0x00000020	/* Local Address Control */
+  #define SH4_PCIDCR_PHLD	  0x00000010	/* PCI Address Control*/
+  #define SH4_PCIDCR_IOSEL	  0x00000008	/* PCI Address Space Type */
+  #define SH4_PCIDCR_DIR	  0x00000004	/* DMA Transfer Direction */
+  #define SH4_PCIDCR_STOP	  0x00000002	/* Force DMA Stop */
+  #define SH4_PCIDCR_STRT	  0x00000001	/* DMA Start */
+#define SH4_PCIDPA1		0x190		/* DMA1 Transfer Addr. */
+#define SH4_PCIDLA1		0x194		/* DMA1 Local Addr. */
+#define SH4_PCIDTC1		0x198		/* DMA1 Transfer Cnt. */
+#define SH4_PCIDCR1		0x19C		/* DMA1 Control Register */
+#define SH4_PCIDPA2		0x1A0		/* DMA2 Transfer Addr. */
+#define SH4_PCIDLA2		0x1A4		/* DMA2 Local Addr. */
+#define SH4_PCIDTC2		0x1A8		/* DMA2 Transfer Cnt. */
+#define SH4_PCIDCR2		0x1AC		/* DMA2 Control Register */
+#define SH4_PCIDPA3		0x1B0		/* DMA3 Transfer Addr. */
+#define SH4_PCIDLA3		0x1B4		/* DMA3 Local Addr. */
+#define SH4_PCIDTC3		0x1B8		/* DMA3 Transfer Cnt. */
+#define SH4_PCIDCR3		0x1BC		/* DMA3 Control Register */
+#define SH4_PCIPAR		0x1C0		/* PIO Address Register */
+  #define SH4_PCIPAR_CFGEN	  0x80000000	/* Configuration Enable */
+  #define SH4_PCIPAR_BUSNO	  0x00FF0000	/* Config. Bus Number */
+  #define SH4_PCIPAR_DEVNO	  0x0000FF00	/* Config. Device Number */
+  #define SH4_PCIPAR_REGAD	  0x000000FC	/* Register Address Number */
+#define SH4_PCIMBR		0x1C4		/* Memory Base Address */
+  #define SH4_PCIMBR_MASK	  0xFF000000	/* Memory Space Mask */
+  #define SH4_PCIMBR_LOCK	  0x00000001	/* Lock Memory Space */
+#define SH4_PCIIOBR		0x1C8		/* I/O Base Address Register */
+  #define SH4_PCIIOBR_MASK	  0xFFFC0000	/* IO Space Mask */
+  #define SH4_PCIIOBR_LOCK	  0x00000001	/* Lock IO Space */
+#define SH4_PCIPINT		0x1CC		/* Power Mgmnt Int. Register */
+  #define SH4_PCIPINT_D3	  0x00000002	/* D3 Pwr Mgmt. Interrupt */
+  #define SH4_PCIPINT_D0	  0x00000001	/* D0 Pwr Mgmt. Interrupt */
+#define SH4_PCIPINTM		0x1D0		/* Power Mgmnt Mask Register */
+#define SH4_PCICLKR		0x1D4		/* Clock Ctrl. Register */
+  #define SH4_PCICLKR_PCSTP	  0x00000002	/* PCI Clock Stop */
+  #define SH4_PCICLKR_BCSTP	  0x00000001	/* BCLK Clock Stop */
+/* For definitions of BCR, MCR see ... */
+#define SH4_PCIBCR1		0x1E0		/* Memory BCR1 Register */
+  #define SH4_PCIMBR0		SH4_PCIBCR1
+#define SH4_PCIBCR2		0x1E4		/* Memory BCR2 Register */
+  #define SH4_PCIMBMR0		SH4_PCIBCR2
+#define SH4_PCIWCR1		0x1E8		/* Wait Control 1 Register */
+#define SH4_PCIWCR2		0x1EC		/* Wait Control 2 Register */
+#define SH4_PCIWCR3		0x1F0		/* Wait Control 3 Register */
+  #define SH4_PCIMBR2		SH4_PCIWCR3
+#define SH4_PCIMCR		0x1F4		/* Memory Control Register */
+#define SH4_PCIBCR3		0x1f8		/* Memory BCR3 Register */
+#define SH4_PCIPCTR             0x200		/* Port Control Register */
+  #define SH4_PCIPCTR_P2EN	  0x000400000	/* Port 2 Enable */
+  #define SH4_PCIPCTR_P1EN	  0x000200000	/* Port 1 Enable */
+  #define SH4_PCIPCTR_P0EN	  0x000100000	/* Port 0 Enable */
+  #define SH4_PCIPCTR_P2UP	  0x000000020	/* Port2 Pull Up Enable */
+  #define SH4_PCIPCTR_P2IO	  0x000000010	/* Port2 Output Enable */
+  #define SH4_PCIPCTR_P1UP	  0x000000008	/* Port1 Pull Up Enable */
+  #define SH4_PCIPCTR_P1IO	  0x000000004	/* Port1 Output Enable */
+  #define SH4_PCIPCTR_P0UP	  0x000000002	/* Port0 Pull Up Enable */
+  #define SH4_PCIPCTR_P0IO	  0x000000001	/* Port0 Output Enable */
+#define SH4_PCIPDTR		0x204		/* Port Data Register */
+  #define SH4_PCIPDTR_PB5	  0x000000020	/* Port 5 Enable */
+  #define SH4_PCIPDTR_PB4	  0x000000010	/* Port 4 Enable */
+  #define SH4_PCIPDTR_PB3	  0x000000008	/* Port 3 Enable */
+  #define SH4_PCIPDTR_PB2	  0x000000004	/* Port 2 Enable */
+  #define SH4_PCIPDTR_PB1	  0x000000002	/* Port 1 Enable */
+  #define SH4_PCIPDTR_PB0	  0x000000001	/* Port 0 Enable */
+#define SH4_PCIPDR		0x220		/* Port IO Data Register */
+
+/* Flags */
+#define SH4_PCIC_NO_RESET	0x0001
+
+/* arch/sh/kernel/drivers/pci/ops-sh4.c */
+extern struct pci_ops sh4_pci_ops;
+int sh4_pci_check_direct(void);
+int pci_fixup_pcic(void);
+
+struct sh4_pci_address_space {
+	unsigned long base;
+	unsigned long size;
+};
+
+struct sh4_pci_address_map {
+	struct sh4_pci_address_space window0;
+	struct sh4_pci_address_space window1;
+	unsigned long flags;
+};
+
+static inline void pci_write_reg(unsigned long val, unsigned long reg)
+{
+	outl(val, PCI_REG(reg));
+}
+
+static inline unsigned long pci_read_reg(unsigned long reg)
+{
+	return inl(PCI_REG(reg));
+}
+#endif /* __PCI_SH4_H */
diff --git a/arch/sh/drivers/pci/pci-sh7751.c b/arch/sh/drivers/pci/pci-sh7751.c
index 682f3dae305d..dbe837884983 100644
--- a/arch/sh/drivers/pci/pci-sh7751.c
+++ b/arch/sh/drivers/pci/pci-sh7751.c
@@ -15,180 +15,14 @@
 
 #undef DEBUG
 
-#include <linux/types.h>
-#include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/sched.h>
-#include <linux/ioport.h>
+#include <linux/types.h>
 #include <linux/errno.h>
-#include <linux/irq.h>
 #include <linux/delay.h>
-
-#include <asm/machvec.h>
+#include "pci-sh4.h"
+#include <asm/addrspace.h>
 #include <asm/io.h>
-#include "pci-sh7751.h"
-
-static unsigned int pci_probe = PCI_PROBE_CONF1;
-extern int pci_fixup_pcic(void);
-
-void pcibios_fixup_irqs(void) __attribute__ ((weak));
-
-/*
- * Direct access to PCI hardware...
- */
-
-#define CONFIG_CMD(bus, devfn, where) (0x80000000 | (bus->number << 16) | (devfn << 8) | (where & ~3))
-
-/*
- * Functions for accessing PCI configuration space with type 1 accesses
- */
-static int sh7751_pci_read(struct pci_bus *bus, unsigned int devfn,
-			   int where, int size, u32 *val)
-{
-	unsigned long flags;
-	u32 data;
-
-	/* 
-	 * PCIPDR may only be accessed as 32 bit words, 
-	 * so we must do byte alignment by hand 
-	 */
-	local_irq_save(flags);
-	outl(CONFIG_CMD(bus,devfn,where), PCI_REG(SH7751_PCIPAR));
-	data = inl(PCI_REG(SH7751_PCIPDR));
-	local_irq_restore(flags);
-
-	switch (size) {
-	case 1:
-		*val = (data >> ((where & 3) << 3)) & 0xff;
-		break;
-	case 2:
-		*val = (data >> ((where & 2) << 3)) & 0xffff;
-		break;
-	case 4:
-		*val = data;
-		break;
-	default:
-		return PCIBIOS_FUNC_NOT_SUPPORTED;
-	}
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-/* 
- * Since SH7751 only does 32bit access we'll have to do a read,
- * mask,write operation.
- * We'll allow an odd byte offset, though it should be illegal.
- */ 
-static int sh7751_pci_write(struct pci_bus *bus, unsigned int devfn,
-			    int where, int size, u32 val)
-{
-	unsigned long flags;
-	int shift;
-	u32 data;
-
-	local_irq_save(flags);
-	outl(CONFIG_CMD(bus,devfn,where), PCI_REG(SH7751_PCIPAR));
-	data = inl(PCI_REG(SH7751_PCIPDR));
-	local_irq_restore(flags);
-
-	switch (size) {
-	case 1:
-		shift = (where & 3) << 3;
-		data &= ~(0xff << shift);
-		data |= ((val & 0xff) << shift);
-		break;
-	case 2:
-		shift = (where & 2) << 3;
-		data &= ~(0xffff << shift);
-		data |= ((val & 0xffff) << shift);
-		break;
-	case 4:
-		data = val;
-		break;
-	default:
-		return PCIBIOS_FUNC_NOT_SUPPORTED;
-	}
-
-	outl(data, PCI_REG(SH7751_PCIPDR));
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-#undef CONFIG_CMD
-
-struct pci_ops sh7751_pci_ops = {
-	.read 		= sh7751_pci_read,
-	.write		= sh7751_pci_write,
-};
-
-static int __init pci_check_direct(void)
-{
-	unsigned int tmp, id;
-
-	/* check for SH7751/SH7751R hardware */
-	id = inl(SH7751_PCIREG_BASE+SH7751_PCICONF0);
-	if (id != ((SH7751_DEVICE_ID << 16) | SH7751_VENDOR_ID) &&
-	    id != ((SH7751R_DEVICE_ID << 16) | SH7751_VENDOR_ID)) {
-		pr_debug("PCI: This is not an SH7751(R) (%x)\n", id);
-		return -ENODEV;
-	}
-
-	/*
-	 * Check if configuration works.
-	 */
-	if (pci_probe & PCI_PROBE_CONF1) {
-		tmp = inl (PCI_REG(SH7751_PCIPAR));
-		outl (0x80000000, PCI_REG(SH7751_PCIPAR));
-		if (inl (PCI_REG(SH7751_PCIPAR)) == 0x80000000) {
-			outl (tmp, PCI_REG(SH7751_PCIPAR));
-			printk(KERN_INFO "PCI: Using configuration type 1\n");
-			request_region(PCI_REG(SH7751_PCIPAR), 8, "PCI conf1");
-			return 0;
-		}
-		outl (tmp, PCI_REG(SH7751_PCIPAR));
-	}
-
-	pr_debug("PCI: pci_check_direct failed\n");
-	return -EINVAL;
-}
-
-/***************************************************************************************/
-
-/*
- *  Handle bus scanning and fixups ....
- */
-
-static void __init pci_fixup_ide_bases(struct pci_dev *d)
-{
-	int i;
-
-	/*
-	 * PCI IDE controllers use non-standard I/O port decoding, respect it.
-	 */
-	if ((d->class >> 8) != PCI_CLASS_STORAGE_IDE)
-		return;
-	pr_debug("PCI: IDE base address fixup for %s\n", pci_name(d));
-	for(i=0; i<4; i++) {
-		struct resource *r = &d->resource[i];
-		if ((r->start & ~0x80) == 0x374) {
-			r->start |= 2;
-			r->end = r->start;
-		}
-	}
-}
-
-DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases);
-
-/*
- *  Called after each bus is probed, but before its children
- *  are examined.
- */
-
-void __init pcibios_fixup_bus(struct pci_bus *b)
-{
-	pci_read_bridge_bases(b);
-}
 
 /*
  * Initialization. Try all known PCI access methods. Note that we support
@@ -196,25 +30,29 @@ void __init pcibios_fixup_bus(struct pci_bus *b)
  * to access config space.
  * 
  * Note that the platform specific initialization (BSC registers, and memory
- * space mapping) will be called via the machine vectors (sh_mv.mv_pci_init()) if it
- * exitst and via the platform defined function pcibios_init_platform().  
- * See pci_bigsur.c for implementation;
- * 
- * The BIOS version of the pci functions is not yet implemented but it is left
- * in for completeness.  Currently an error will be genereated at compile time. 
+ * space mapping) will be called via the platform defined function
+ * pcibios_init_platform().
  */
-
 static int __init sh7751_pci_init(void)
 {
+	unsigned int id;
 	int ret;
 
 	pr_debug("PCI: Starting intialization.\n");
-	if ((ret = pci_check_direct()) != 0)
+
+	/* check for SH7751/SH7751R hardware */
+	id = pci_read_reg(SH7751_PCICONF0);
+	if (id != ((SH7751_DEVICE_ID << 16) | SH7751_VENDOR_ID) &&
+	    id != ((SH7751R_DEVICE_ID << 16) | SH7751_VENDOR_ID)) {
+		pr_debug("PCI: This is not an SH7751(R) (%x)\n", id);
+		return -ENODEV;
+	}
+
+	if ((ret = sh4_pci_check_direct()) != 0)
 		return ret;
 
 	return pcibios_init_platform();
 }
-
 subsys_initcall(sh7751_pci_init);
 
 static int __init __area_sdram_check(unsigned int area)
@@ -223,26 +61,26 @@ static int __init __area_sdram_check(unsigned int area)
 
 	word = inl(SH7751_BCR1);
 	/* check BCR for SDRAM in area */
-	if(((word >> area) & 1) == 0) {
+	if (((word >> area) & 1) == 0) {
 		printk("PCI: Area %d is not configured for SDRAM. BCR1=0x%x\n",
 		       area, word);
 		return 0;
 	}
-	outl(word, PCI_REG(SH7751_PCIBCR1));
+	pci_write_reg(word, SH4_PCIBCR1);
 
 	word = (u16)inw(SH7751_BCR2);
 	/* check BCR2 for 32bit SDRAM interface*/
-	if(((word >> (area << 1)) & 0x3) != 0x3) {
+	if (((word >> (area << 1)) & 0x3) != 0x3) {
 		printk("PCI: Area %d is not 32 bit SDRAM. BCR2=0x%x\n",
 		       area, word);
 		return 0;
 	}
-	outl(word, PCI_REG(SH7751_PCIBCR2));
+	pci_write_reg(word, SH4_PCIBCR2);
 
 	return 1;
 }
 
-int __init sh7751_pcic_init(struct sh7751_pci_address_map *map)
+int __init sh7751_pcic_init(struct sh4_pci_address_map *map)
 {
 	u32 reg;
 	u32 word;
@@ -251,39 +89,39 @@ int __init sh7751_pcic_init(struct sh7751_pci_address_map *map)
 	reg = inl(SH7751_BCR1);
 	reg |= 0x80000;
 	outl(reg, SH7751_BCR1);
-	
+
 	/* Turn the clocks back on (not done in reset)*/
-	outl(0, PCI_REG(SH7751_PCICLKR));
+	pci_write_reg(0, SH4_PCICLKR);
 	/* Clear Powerdown IRQ's (not done in reset) */
-	word = SH7751_PCIPINT_D3 | SH7751_PCIPINT_D0;
-	outl(word, PCI_REG(SH7751_PCIPINT));
+	word = SH4_PCIPINT_D3 | SH4_PCIPINT_D0;
+	pci_write_reg(word, SH4_PCIPINT);
 
 	/*
 	 * This code is unused for some boards as it is done in the
 	 * bootloader and doing it here means the MAC addresses loaded
 	 * by the bootloader get lost.
 	 */
-	if (!(map->flags & SH7751_PCIC_NO_RESET)) {
+	if (!(map->flags & SH4_PCIC_NO_RESET)) {
 		/* toggle PCI reset pin */
-		word = SH7751_PCICR_PREFIX | SH7751_PCICR_PRST;
-		outl(word,PCI_REG(SH7751_PCICR));
+		word = SH4_PCICR_PREFIX | SH4_PCICR_PRST;
+		pci_write_reg(word, SH4_PCICR);
 		/* Wait for a long time... not 1 sec. but long enough */
 		mdelay(100);
-		word = SH7751_PCICR_PREFIX;
-		outl(word,PCI_REG(SH7751_PCICR));
+		word = SH4_PCICR_PREFIX;
+		pci_write_reg(word, SH4_PCICR);
 	}
-	
+
 	/* set the command/status bits to:
 	 * Wait Cycle Control + Parity Enable + Bus Master +
 	 * Mem space enable
 	 */
 	word = SH7751_PCICONF1_WCC | SH7751_PCICONF1_PER | 
 	       SH7751_PCICONF1_BUM | SH7751_PCICONF1_MES;
-	outl(word, PCI_REG(SH7751_PCICONF1));
+	pci_write_reg(word, SH7751_PCICONF1);
 
 	/* define this host as the host bridge */
-	word = SH7751_PCI_HOST_BRIDGE << 24;
-	outl(word, PCI_REG(SH7751_PCICONF2));
+	word = PCI_BASE_CLASS_BRIDGE << 24;
+	pci_write_reg(word, SH7751_PCICONF2);
 
 	/* Set IO and Mem windows to local address 
 	 * Make PCI and local address the same for easy 1 to 1 mapping 
@@ -291,46 +129,49 @@ int __init sh7751_pcic_init(struct sh7751_pci_address_map *map)
 	 * Window1 = map->window1.size @ cached area base = SDRAM 
 	 */
 	word = map->window0.size - 1;
-	outl(word, PCI_REG(SH7751_PCILSR0));
+	pci_write_reg(word, SH4_PCILSR0);
 	word = map->window1.size - 1;
-	outl(word, PCI_REG(SH7751_PCILSR1));
+	pci_write_reg(word, SH4_PCILSR1);
 	/* Set the values on window 0 PCI config registers */
 	word = P2SEGADDR(map->window0.base);
-	outl(word, PCI_REG(SH7751_PCILAR0));
-	outl(word, PCI_REG(SH7751_PCICONF5));
+	pci_write_reg(word, SH4_PCILAR0);
+	pci_write_reg(word, SH7751_PCICONF5);
 	/* Set the values on window 1 PCI config registers */
 	word =  PHYSADDR(map->window1.base);
-	outl(word, PCI_REG(SH7751_PCILAR1));
-	outl(word, PCI_REG(SH7751_PCICONF6));
+	pci_write_reg(word, SH4_PCILAR1);
+	pci_write_reg(word, SH7751_PCICONF6);
 
-	/* Set the local 16MB PCI memory space window to 
+	/* Set the local 16MB PCI memory space window to
 	 * the lowest PCI mapped address
 	 */
-	word = PCIBIOS_MIN_MEM & SH7751_PCIMBR_MASK;
-	PCIDBG(2,"PCI: Setting upper bits of Memory window to 0x%x\n", word);
-	outl(word , PCI_REG(SH7751_PCIMBR));
+	word = PCIBIOS_MIN_MEM & SH4_PCIMBR_MASK;
+	pr_debug("PCI: Setting upper bits of Memory window to 0x%x\n", word);
+	pci_write_reg(word , SH4_PCIMBR);
 
 	/* Map IO space into PCI IO window
 	 * The IO window is 64K-PCIBIOS_MIN_IO in size
-	 * IO addresses will be translated to the 
+	 * IO addresses will be translated to the
 	 * PCI IO window base address
 	 */
-	PCIDBG(3,"PCI: Mapping IO address 0x%x - 0x%x to base 0x%x\n", PCIBIOS_MIN_IO,
-	    (64*1024), SH7751_PCI_IO_BASE+PCIBIOS_MIN_IO);
+	pr_debug("PCI: Mapping IO address 0x%x - 0x%x to base 0x%x\n",
+		 PCIBIOS_MIN_IO, (64 << 10),
+		 SH4_PCI_IO_BASE + PCIBIOS_MIN_IO);
 
-	/* 
+	/*
 	 * XXX: For now, leave this board-specific. In the event we have other
 	 * boards that need to do similar work, this can be wrapped.
 	 */
 #ifdef CONFIG_SH_BIGSUR
-	bigsur_port_map(PCIBIOS_MIN_IO, (64*1024), SH7751_PCI_IO_BASE+PCIBIOS_MIN_IO,0);
+	bigsur_port_map(PCIBIOS_MIN_IO, (64 << 10),
+			SH4_PCI_IO_BASE + PCIBIOS_MIN_IO, 0);
 #endif
 
-	/* Make sure the MSB's of IO window are set to access PCI space correctly */
-	word = PCIBIOS_MIN_IO & SH7751_PCIIOBR_MASK;
-	PCIDBG(2,"PCI: Setting upper bits of IO window to 0x%x\n", word);
-	outl(word, PCI_REG(SH7751_PCIIOBR));
-	
+	/* Make sure the MSB's of IO window are set to access PCI space
+	 * correctly */
+	word = PCIBIOS_MIN_IO & SH4_PCIIOBR_MASK;
+	pr_debug("PCI: Setting upper bits of IO window to 0x%x\n", word);
+	pci_write_reg(word, SH4_PCIIOBR);
+
 	/* Set PCI WCRx, BCRx's, copy from BSC locations */
 
 	/* check BCR for SDRAM in specified area */
@@ -349,13 +190,13 @@ int __init sh7751_pcic_init(struct sh7751_pci_address_map *map)
 
 	/* configure the wait control registers */
 	word = inl(SH7751_WCR1);
-	outl(word, PCI_REG(SH7751_PCIWCR1));
+	pci_write_reg(word, SH4_PCIWCR1);
 	word = inl(SH7751_WCR2);
-	outl(word, PCI_REG(SH7751_PCIWCR2));
+	pci_write_reg(word, SH4_PCIWCR2);
 	word = inl(SH7751_WCR3);
-	outl(word, PCI_REG(SH7751_PCIWCR3));
+	pci_write_reg(word, SH4_PCIWCR3);
 	word = inl(SH7751_MCR);
-	outl(word, PCI_REG(SH7751_PCIMCR));
+	pci_write_reg(word, SH4_PCIMCR);
 
 	/* NOTE: I'm ignoring the PCI error IRQs for now..
 	 * TODO: add support for the internal error interrupts and
@@ -368,49 +209,8 @@ int __init sh7751_pcic_init(struct sh7751_pci_address_map *map)
 
 	/* SH7751 init done, set central function init complete */
 	/* use round robin mode to stop a device starving/overruning */
-	word = SH7751_PCICR_PREFIX | SH7751_PCICR_CFIN | SH7751_PCICR_ARBM;
-	outl(word,PCI_REG(SH7751_PCICR)); 
+	word = SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_ARBM;
+	pci_write_reg(word, SH4_PCICR);
 
 	return 1;
 }
-
-char * __init pcibios_setup(char *str)
-{
-	if (!strcmp(str, "off")) {
-		pci_probe = 0;
-		return NULL;
-	}
-
-	return str;
-}
-
-/* 
- * 	IRQ functions 
- */
-static u8 __init sh7751_no_swizzle(struct pci_dev *dev, u8 *pin)
-{
-	/* no swizzling */
-	return PCI_SLOT(dev->devfn);
-}
-
-static int sh7751_pci_lookup_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
-	int irq = -1;
-
-	/* now lookup the actual IRQ on a platform specific basis (pci-'platform'.c) */
-	irq = pcibios_map_platform_irq(slot,pin);
-	if( irq < 0 ) {
-		pr_debug("PCI: Error mapping IRQ on device %s\n", pci_name(dev));
-		return irq;
-	}
-
-	pr_debug("Setting IRQ for slot %s to %d\n", pci_name(dev), irq);
-
-	return irq;
-}
-
-void __init pcibios_fixup_irqs(void)
-{
-	pci_fixup_irqs(sh7751_no_swizzle, sh7751_pci_lookup_irq);
-}
-
diff --git a/arch/sh/drivers/pci/pci-sh7751.h b/arch/sh/drivers/pci/pci-sh7751.h
index 1fee5cae10d1..68e3cb5e6bec 100644
--- a/arch/sh/drivers/pci/pci-sh7751.h
+++ b/arch/sh/drivers/pci/pci-sh7751.h
@@ -3,7 +3,7 @@
  *
  *  Dustin McIntire (dustin@sensoria.com) (c) 2001
  *  Paul Mundt (lethal@linux-sh.org) (c) 2003
- *	
+ *
  *  May be copied or modified under the terms of the GNU General Public
  *  License.  See linux/COPYING for more information.
  *
@@ -12,28 +12,6 @@
 #ifndef _PCI_SH7751_H_
 #define _PCI_SH7751_H_
 
-#include <linux/pci.h>
-
-/* set debug level 4=verbose...1=terse */
-//#define DEBUG_PCI 3
-#undef DEBUG_PCI
-
-#ifdef DEBUG_PCI
-#define PCIDBG(n, x...) { if(DEBUG_PCI>=n) printk(x); }
-#else
-#define PCIDBG(n, x...)
-#endif
-
-/* startup values */
-#define PCI_PROBE_BIOS 1
-#define PCI_PROBE_CONF1 2
-#define PCI_PROBE_CONF2 4
-#define PCI_NO_SORT 0x100
-#define PCI_BIOS_SORT 0x200
-#define PCI_NO_CHECKS 0x400
-#define PCI_ASSIGN_ROMS 0x1000
-#define PCI_BIOS_IRQ_SCAN 0x2000
-
 /* Platform Specific Values */
 #define SH7751_VENDOR_ID             0x1054
 #define SH7751_DEVICE_ID             0x3505
@@ -128,131 +106,6 @@
   #define SH7751_PCICONF17_PMEN      0x00010000  /* PME Enable */
   #define SH7751_PCICONF17_PWST      0x00000003  /* Power State */
 /* SH7715 Internal PCI Registers */
-#define SH7751_PCICR               0x100         /* PCI Control Register */
-  #define SH7751_PCICR_PREFIX        0xA5000000  /* CR prefix for write */
-  #define SH7751_PCICR_TRSB          0x00000200  /* Target Read Single */
-  #define SH7751_PCICR_BSWP          0x00000100  /* Target Byte Swap */
-  #define SH7751_PCICR_PLUP          0x00000080  /* Enable PCI Pullup */
-  #define SH7751_PCICR_ARBM          0x00000040  /* PCI Arbitration Mode */
-  #define SH7751_PCICR_MD            0x00000030  /* MD9 and MD10 status */
-  #define SH7751_PCICR_SERR          0x00000008  /* SERR output assert */
-  #define SH7751_PCICR_INTA          0x00000004  /* INTA output assert */
-  #define SH7751_PCICR_PRST          0x00000002  /* PCI Reset Assert */
-  #define SH7751_PCICR_CFIN          0x00000001  /* Central Fun. Init Done */
-#define SH7751_PCILSR0             0x104         /* PCI Local Space Register0 */
-#define SH7751_PCILSR1             0x108         /* PCI Local Space Register1 */
-#define SH7751_PCILAR0             0x10C         /* PCI Local Address Register1 */
-#define SH7751_PCILAR1             0x110         /* PCI Local Address Register1 */
-#define SH7751_PCIINT              0x114         /* PCI Interrupt Register */
-  #define SH7751_PCIINT_MLCK         0x00008000  /* Master Lock Error */
-  #define SH7751_PCIINT_TABT         0x00004000  /* Target Abort Error */
-  #define SH7751_PCIINT_TRET         0x00000200  /* Target Retry Error */
-  #define SH7751_PCIINT_MFDE         0x00000100  /* Master Func. Disable Error */
-  #define SH7751_PCIINT_PRTY         0x00000080  /* Address Parity Error */
-  #define SH7751_PCIINT_SERR         0x00000040  /* SERR Detection Error */
-  #define SH7751_PCIINT_TWDP         0x00000020  /* Tgt. Write Parity Error */
-  #define SH7751_PCIINT_TRDP         0x00000010  /* Tgt. Read Parity Error Det. */
-  #define SH7751_PCIINT_MTABT        0x00000008  /* Master-Tgt. Abort Error */
-  #define SH7751_PCIINT_MMABT        0x00000004  /* Master-Master Abort Error */
-  #define SH7751_PCIINT_MWPD         0x00000002  /* Master Write PERR Detect */
-  #define SH7751_PCIINT_MRPD         0x00000002  /* Master Read PERR Detect */
-#define SH7751_PCIINTM             0x118         /* PCI Interrupt Mask Register */
-#define SH7751_PCIALR              0x11C         /* Error Address Register */
-#define SH7751_PCICLR              0x120         /* Error Command/Data Register */
-  #define SH7751_PCICLR_MPIO         0x80000000  /* Error Command/Data Register */
-  #define SH7751_PCICLR_MDMA0        0x40000000  /* DMA0 Transfer Error */
-  #define SH7751_PCICLR_MDMA1        0x20000000  /* DMA1 Transfer Error */
-  #define SH7751_PCICLR_MDMA2        0x10000000  /* DMA2 Transfer Error */
-  #define SH7751_PCICLR_MDMA3        0x08000000  /* DMA3 Transfer Error */
-  #define SH7751_PCICLR_TGT          0x04000000  /* Target Transfer Error */
-  #define SH7751_PCICLR_CMDL         0x0000000F  /* PCI Command at Error */
-#define SH7751_PCIAINT             0x130         /* Arbiter Interrupt Register */
-  #define SH7751_PCIAINT_MBKN        0x00002000  /* Master Broken Interrupt */
-  #define SH7751_PCIAINT_TBTO        0x00001000  /* Target Bus Time Out */
-  #define SH7751_PCIAINT_MBTO        0x00001000  /* Master Bus Time Out */
-  #define SH7751_PCIAINT_TABT        0x00000008  /* Target Abort */
-  #define SH7751_PCIAINT_MABT        0x00000004  /* Master Abort */
-  #define SH7751_PCIAINT_RDPE        0x00000002  /* Read Data Parity Error */
-  #define SH7751_PCIAINT_WDPE        0x00000002  /* Write Data Parity Error */
-#define SH7751_PCIAINTM            0x134         /* Arbiter Int. Mask Register */
-#define SH7751_PCIBMLR             0x138         /* Error Bus Master Register */
-  #define SH7751_PCIBMLR_REQ4        0x00000010  /* REQ4 bus master at error */
-  #define SH7751_PCIBMLR_REQ3        0x00000008  /* REQ3 bus master at error */
-  #define SH7751_PCIBMLR_REQ2        0x00000004  /* REQ2 bus master at error */
-  #define SH7751_PCIBMLR_REQ1        0x00000002  /* REQ1 bus master at error */
-  #define SH7751_PCIBMLR_REQ0        0x00000001  /* REQ0 bus master at error */
-#define SH7751_PCIDMABT            0x140         /* DMA Transfer Arb. Register */
-  #define SH7751_PCIDMABT_RRBN       0x00000001  /* DMA Arbitor Round-Robin */
-#define SH7751_PCIDPA0             0x180         /* DMA0 Transfer Addr. Register */
-#define SH7751_PCIDLA0             0x184         /* DMA0 Local Addr. Register */
-#define SH7751_PCIDTC0             0x188         /* DMA0 Transfer Cnt. Register */
-#define SH7751_PCIDCR0             0x18C         /* DMA0 Control Register */
-  #define SH7751_PCIDCR_ALGN         0x00000600  /* DMA Alignment Mode */
-  #define SH7751_PCIDCR_MAST         0x00000100  /* DMA Termination Type */
-  #define SH7751_PCIDCR_INTM         0x00000080  /* DMA Interrupt Done Mask*/
-  #define SH7751_PCIDCR_INTS         0x00000040  /* DMA Interrupt Done Status */
-  #define SH7751_PCIDCR_LHLD         0x00000020  /* Local Address Control */
-  #define SH7751_PCIDCR_PHLD         0x00000010  /* PCI Address Control*/
-  #define SH7751_PCIDCR_IOSEL        0x00000008  /* PCI Address Space Type */
-  #define SH7751_PCIDCR_DIR          0x00000004  /* DMA Transfer Direction */
-  #define SH7751_PCIDCR_STOP         0x00000002  /* Force DMA Stop */
-  #define SH7751_PCIDCR_STRT         0x00000001  /* DMA Start */
-#define SH7751_PCIDPA1             0x190         /* DMA1 Transfer Addr. Register */
-#define SH7751_PCIDLA1             0x194         /* DMA1 Local Addr. Register */
-#define SH7751_PCIDTC1             0x198         /* DMA1 Transfer Cnt. Register */
-#define SH7751_PCIDCR1             0x19C         /* DMA1 Control Register */
-#define SH7751_PCIDPA2             0x1A0         /* DMA2 Transfer Addr. Register */
-#define SH7751_PCIDLA2             0x1A4         /* DMA2 Local Addr. Register */
-#define SH7751_PCIDTC2             0x1A8         /* DMA2 Transfer Cnt. Register */
-#define SH7751_PCIDCR2             0x1AC         /* DMA2 Control Register */
-#define SH7751_PCIDPA3             0x1B0         /* DMA3 Transfer Addr. Register */
-#define SH7751_PCIDLA3             0x1B4         /* DMA3 Local Addr. Register */
-#define SH7751_PCIDTC3             0x1B8         /* DMA3 Transfer Cnt. Register */
-#define SH7751_PCIDCR3             0x1BC         /* DMA3 Control Register */
-#define SH7751_PCIPAR              0x1C0         /* PIO Address Register */
-  #define SH7751_PCIPAR_CFGEN        0x80000000  /* Configuration Enable */
-  #define SH7751_PCIPAR_BUSNO        0x00FF0000  /* Config. Bus Number */
-  #define SH7751_PCIPAR_DEVNO        0x0000FF00  /* Config. Device Number */
-  #define SH7751_PCIPAR_REGAD        0x000000FC  /* Register Address Number */
-#define SH7751_PCIMBR              0x1C4         /* Memory Base Address Register */
-  #define SH7751_PCIMBR_MASK         0xFF000000  /* Memory Space Mask */
-  #define SH7751_PCIMBR_LOCK         0x00000001  /* Lock Memory Space */
-#define SH7751_PCIIOBR             0x1C8         /* I/O Base Address Register */
-  #define SH7751_PCIIOBR_MASK         0xFFFC0000 /* IO Space Mask */
-  #define SH7751_PCIIOBR_LOCK         0x00000001 /* Lock IO Space */
-#define SH7751_PCIPINT             0x1CC         /* Power Mgmnt Int. Register */
-  #define SH7751_PCIPINT_D3           0x00000002 /* D3 Pwr Mgmt. Interrupt */
-  #define SH7751_PCIPINT_D0           0x00000001 /* D0 Pwr Mgmt. Interrupt */  
-#define SH7751_PCIPINTM            0x1D0         /* Power Mgmnt Mask Register */
-#define SH7751_PCICLKR             0x1D4         /* Clock Ctrl. Register */
-  #define SH7751_PCICLKR_PCSTP        0x00000002 /* PCI Clock Stop */
-  #define SH7751_PCICLKR_BCSTP        0x00000002 /* BCLK Clock Stop */
-/* For definitions of BCR, MCR see ... */
-#define SH7751_PCIBCR1             0x1E0         /* Memory BCR1 Register */
-#define SH7751_PCIBCR2             0x1E4         /* Memory BCR2 Register */
-#define SH7751_PCIWCR1             0x1E8         /* Wait Control 1 Register */
-#define SH7751_PCIWCR2             0x1EC         /* Wait Control 2 Register */
-#define SH7751_PCIWCR3             0x1F0         /* Wait Control 3 Register */
-#define SH7751_PCIMCR              0x1F4         /* Memory Control Register */
-#define SH7751_PCIBCR3		   0x1f8	 /* Memory BCR3 Register */
-#define SH7751_PCIPCTR             0x200         /* Port Control Register */
-  #define SH7751_PCIPCTR_P2EN        0x000400000 /* Port 2 Enable */
-  #define SH7751_PCIPCTR_P1EN        0x000200000 /* Port 1 Enable */
-  #define SH7751_PCIPCTR_P0EN        0x000100000 /* Port 0 Enable */
-  #define SH7751_PCIPCTR_P2UP        0x000000020 /* Port2 Pull Up Enable */
-  #define SH7751_PCIPCTR_P2IO        0x000000010 /* Port2 Output Enable */
-  #define SH7751_PCIPCTR_P1UP        0x000000008 /* Port1 Pull Up Enable */
-  #define SH7751_PCIPCTR_P1IO        0x000000004 /* Port1 Output Enable */
-  #define SH7751_PCIPCTR_P0UP        0x000000002 /* Port0 Pull Up Enable */
-  #define SH7751_PCIPCTR_P0IO        0x000000001 /* Port0 Output Enable */
-#define SH7751_PCIPDTR             0x204         /* Port Data Register */
-  #define SH7751_PCIPDTR_PB5         0x000000020 /* Port 5 Enable */
-  #define SH7751_PCIPDTR_PB4         0x000000010 /* Port 4 Enable */
-  #define SH7751_PCIPDTR_PB3         0x000000008 /* Port 3 Enable */
-  #define SH7751_PCIPDTR_PB2         0x000000004 /* Port 2 Enable */
-  #define SH7751_PCIPDTR_PB1         0x000000002 /* Port 1 Enable */
-  #define SH7751_PCIPDTR_PB0         0x000000001 /* Port 0 Enable */
-#define SH7751_PCIPDR              0x220         /* Port IO Data Register */
 
 /* Memory Control Registers */
 #define SH7751_BCR1                0xFF800000    /* Memory BCR1 Register */
@@ -274,30 +127,9 @@
 #define SH7751_CS5_BASE_ADDR       (SH7751_CS4_BASE_ADDR + SH7751_MEM_REGION_SIZE)
 #define SH7751_CS6_BASE_ADDR       (SH7751_CS5_BASE_ADDR + SH7751_MEM_REGION_SIZE)
 
-/* General PCI values */
-#define SH7751_PCI_HOST_BRIDGE		0x6
-
-/* Flags */
-#define SH7751_PCIC_NO_RESET	0x0001
-
-/* External functions defined per platform i.e. Big Sur, SE... (these could be routed 
- * through the machine vectors... */
-extern int pcibios_init_platform(void);
-extern int pcibios_map_platform_irq(u8 slot, u8 pin);
-
-struct sh7751_pci_address_space {
-	unsigned long base;
-	unsigned long size;
-};
-
-struct sh7751_pci_address_map {
-	struct sh7751_pci_address_space window0;
-	struct sh7751_pci_address_space window1;
-	unsigned long flags;
-};
+struct sh4_pci_address_map;
 
 /* arch/sh/drivers/pci/pci-sh7751.c */
-extern int sh7751_pcic_init(struct sh7751_pci_address_map *map);
+int sh7751_pcic_init(struct sh4_pci_address_map *map);
 
 #endif /* _PCI_SH7751_H_ */
-
diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
new file mode 100644
index 000000000000..bd3064a82087
--- /dev/null
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -0,0 +1,139 @@
+/*
+ *	Low-Level PCI Support for the SH7780
+ *
+ *  Dustin McIntire (dustin@sensoria.com)
+ *	Derived from arch/i386/kernel/pci-*.c which bore the message:
+ *	(c) 1999--2000 Martin Mares <mj@ucw.cz>
+ *
+ *  Ported to the new API by Paul Mundt <lethal@linux-sh.org>
+ *  With cleanup by Paul van Gool <pvangool@mimotech.com>
+ *
+ *  May be copied or modified under the terms of the GNU General Public
+ *  License.  See linux/COPYING for more information.
+ *
+ */
+
+#undef DEBUG
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include "pci-sh4.h"
+
+/*
+ * Initialization. Try all known PCI access methods. Note that we support
+ * using both PCI BIOS and direct access: in such cases, we use I/O ports
+ * to access config space.
+ *
+ * Note that the platform specific initialization (BSC registers, and memory
+ * space mapping) will be called via the platform defined function
+ * pcibios_init_platform().
+ */
+static int __init sh7780_pci_init(void)
+{
+	unsigned int id;
+	int ret;
+
+	pr_debug("PCI: Starting intialization.\n");
+
+	outl(0x00000001, SH7780_PCI_VCR2); /* Enable PCIC */
+
+	/* check for SH7780/SH7780R hardware */
+	id = pci_read_reg(SH7780_PCIVID);
+	if ((id != ((SH7780_DEVICE_ID << 16) | SH7780_VENDOR_ID)) &&
+	    (id != ((SH7781_DEVICE_ID << 16) | SH7780_VENDOR_ID))) {
+		printk(KERN_ERR "PCI: This is not an SH7780 (%x)\n", id);
+		return -ENODEV;
+	}
+
+	/* Setup the INTC */
+	ctrl_outl(0x00200000, INTC_ICR0);	/* INTC SH-4 Mode */
+	ctrl_outl(0x00078000, INTC_INT2MSKCR);	/* enable PCIINTA - PCIINTD */
+	ctrl_outl(0x40000000, INTC_INTMSK1);	/* disable IRL4-7 Interrupt */
+	ctrl_outl(0x0000fffe, INTC_INTMSK2);	/* disable IRL4-7 Interrupt */
+	ctrl_outl(0x80000000, INTC_INTMSKCLR1);	/* enable IRL0-3 Interrupt */
+	ctrl_outl(0xfffe0000, INTC_INTMSKCLR2);	/* enable IRL0-3 Interrupt */
+
+	if ((ret = sh4_pci_check_direct()) != 0)
+		return ret;
+
+	return pcibios_init_platform();
+}
+core_initcall(sh7780_pci_init);
+
+int __init sh7780_pcic_init(struct sh4_pci_address_map *map)
+{
+	u32 word;
+
+	/*
+	 * This code is unused for some boards as it is done in the
+	 * bootloader and doing it here means the MAC addresses loaded
+	 * by the bootloader get lost.
+	 */
+	if (!(map->flags & SH4_PCIC_NO_RESET)) {
+		/* toggle PCI reset pin */
+		word = SH4_PCICR_PREFIX | SH4_PCICR_PRST;
+		pci_write_reg(word, SH4_PCICR);
+		/* Wait for a long time... not 1 sec. but long enough */
+		mdelay(100);
+		word = SH4_PCICR_PREFIX;
+		pci_write_reg(word, SH4_PCICR);
+	}
+
+	/* set the command/status bits to:
+	 * Wait Cycle Control + Parity Enable + Bus Master +
+	 * Mem space enable
+	 */
+	pci_write_reg(0x00000046, SH7780_PCICMD);
+
+	/* define this host as the host bridge */
+	word = PCI_BASE_CLASS_BRIDGE << 24;
+	pci_write_reg(word, SH7780_PCIRID);
+
+	/* Set IO and Mem windows to local address
+	 * Make PCI and local address the same for easy 1 to 1 mapping
+	 * Window0 = map->window0.size @ non-cached area base = SDRAM
+	 * Window1 = map->window1.size @ cached area base = SDRAM
+	 */
+	word = ((map->window0.size - 1) & 0x1ff00001) | 0x01;
+	pci_write_reg(0x07f00001, SH4_PCILSR0);
+	word = ((map->window1.size - 1) & 0x1ff00001) | 0x01;
+	pci_write_reg(0x00000001, SH4_PCILSR1);
+	/* Set the values on window 0 PCI config registers */
+	word = P2SEGADDR(map->window0.base);
+	pci_write_reg(0xa8000000, SH4_PCILAR0);
+	pci_write_reg(0x08000000, SH7780_PCIMBAR0);
+	/* Set the values on window 1 PCI config registers */
+	word = P2SEGADDR(map->window1.base);
+	pci_write_reg(0x00000000, SH4_PCILAR1);
+	pci_write_reg(0x00000000, SH7780_PCIMBAR1);
+
+	/* Map IO space into PCI IO window
+	 * The IO window is 64K-PCIBIOS_MIN_IO in size
+	 * IO addresses will be translated to the
+	 * PCI IO window base address
+	 */
+	pr_debug("PCI: Mapping IO address 0x%x - 0x%x to base 0x%x\n",
+		 PCIBIOS_MIN_IO, (64 << 10),
+		 SH7780_PCI_IO_BASE + PCIBIOS_MIN_IO);
+
+	/* NOTE: I'm ignoring the PCI error IRQs for now..
+	 * TODO: add support for the internal error interrupts and
+	 * DMA interrupts...
+	 */
+
+#ifdef CONFIG_SH_R7780RP
+	pci_fixup_pcic();
+#endif
+
+	/* SH7780 init done, set central function init complete */
+	/* use round robin mode to stop a device starving/overruning */
+	word = SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_FTO;
+	pci_write_reg(word, SH4_PCICR);
+
+	return 1;
+}
diff --git a/arch/sh/drivers/pci/pci-sh7780.h b/arch/sh/drivers/pci/pci-sh7780.h
new file mode 100644
index 000000000000..f02d2180a4bc
--- /dev/null
+++ b/arch/sh/drivers/pci/pci-sh7780.h
@@ -0,0 +1,94 @@
+/*
+ *	Low-Level PCI Support for SH7780 targets
+ *
+ *  Dustin McIntire (dustin@sensoria.com) (c) 2001
+ *  Paul Mundt (lethal@linux-sh.org) (c) 2003
+ *
+ *  May be copied or modified under the terms of the GNU General Public
+ *  License.  See linux/COPYING for more information.
+ *
+ */
+
+#ifndef _PCI_SH7780_H_
+#define _PCI_SH7780_H_
+
+/* Platform Specific Values */
+#define SH7780_VENDOR_ID	0x1912
+#define SH7780_DEVICE_ID	0x0002
+#define SH7781_DEVICE_ID	0x0001
+
+/* SH7780 Control Registers */
+#define	SH7780_PCI_VCR0		0xFE000000
+#define	SH7780_PCI_VCR1		0xFE000004
+#define	SH7780_PCI_VCR2		0xFE000008
+
+/* SH7780 Specific Values */
+#define SH7780_PCI_CONFIG_BASE	0xFD000000	/* Config space base addr */
+#define SH7780_PCI_CONFIG_SIZE	0x01000000	/* Config space size */
+
+#define SH7780_PCI_MEMORY_BASE	0xFD000000	/* Memory space base addr */
+#define SH7780_PCI_MEM_SIZE	0x01000000	/* Size of Memory window */
+
+#define SH7780_PCI_IO_BASE	0xFE400000	/* IO space base address */
+#define SH7780_PCI_IO_SIZE	0x00400000	/* Size of IO window */
+
+#define SH7780_PCIREG_BASE	0xFE040000	/* PCI regs base address */
+#define PCI_REG(n)		(SH7780_PCIREG_BASE+n)
+
+/* SH7780 PCI Config Registers */
+#define SH7780_PCIVID		0x000		/* Vendor ID */
+#define SH7780_PCIDID		0x002		/* Device ID */
+#define SH7780_PCICMD		0x004		/* Command */
+#define SH7780_PCISTATUS	0x006		/* Status */
+#define SH7780_PCIRID		0x008		/* Revision ID */
+#define SH7780_PCIPIF		0x009		/* Program Interface */
+#define SH7780_PCISUB		0x00a		/* Sub class code */
+#define SH7780_PCIBCC		0x00b		/* Base class code */
+#define SH7780_PCICLS		0x00c		/* Cache line size */
+#define SH7780_PCILTM		0x00d		/* latency timer */
+#define SH7780_PCIHDR		0x00e		/* Header type */
+#define SH7780_PCIBIST		0x00f		/* BIST */
+#define SH7780_PCIIBAR		0x010		/* IO Base address */
+#define SH7780_PCIMBAR0		0x014		/* Memory base address0 */
+#define SH7780_PCIMBAR1		0x018		/* Memory base address1 */
+#define SH7780_PCISVID		0x02c		/* Sub system vendor ID */
+#define SH7780_PCISID		0x02e		/* Sub system ID */
+#define SH7780_PCICP		0x034
+#define SH7780_PCIINTLINE	0x03c		/* Interrupt line */
+#define SH7780_PCIINTPIN	0x03d		/* Interrupt pin */
+#define SH7780_PCIMINGNT	0x03e		/* Minumum grand */
+#define SH7780_PCIMAXLAT	0x03f		/* Maxmum latency */
+#define SH7780_PCICID		0x040
+#define SH7780_PCINIP		0x041
+#define SH7780_PCIPMC		0x042
+#define SH7780_PCIPMCSR		0x044
+#define SH7780_PCIPMCSR_BSE	0x046
+#define SH7780_PCICDD		0x047
+
+#define SH7780_PCIMBR0		0x1E0
+#define SH7780_PCIMBMR0		0x1E4
+#define SH7780_PCIMBR2		0x1F0
+#define SH7780_PCIMBMR2		0x1F4
+#define SH7780_PCIIOBR		0x1F8
+#define SH7780_PCIIOBMR		0x1FC
+#define SH7780_PCICSCR0		0x210		/* Cache Snoop1 Cnt. Register */
+#define SH7780_PCICSCR1		0x214		/* Cache Snoop2 Cnt. Register */
+#define SH7780_PCICSAR0		0x218	/* Cache Snoop1 Addr. Register */
+#define SH7780_PCICSAR1		0x21C	/* Cache Snoop2 Addr. Register */
+
+/* General Memory Config Addresses */
+#define SH7780_CS0_BASE_ADDR	0x0
+#define SH7780_MEM_REGION_SIZE	0x04000000
+#define SH7780_CS1_BASE_ADDR	(SH7780_CS0_BASE_ADDR + SH7780_MEM_REGION_SIZE)
+#define SH7780_CS2_BASE_ADDR	(SH7780_CS1_BASE_ADDR + SH7780_MEM_REGION_SIZE)
+#define SH7780_CS3_BASE_ADDR	(SH7780_CS2_BASE_ADDR + SH7780_MEM_REGION_SIZE)
+#define SH7780_CS4_BASE_ADDR	(SH7780_CS3_BASE_ADDR + SH7780_MEM_REGION_SIZE)
+#define SH7780_CS5_BASE_ADDR	(SH7780_CS4_BASE_ADDR + SH7780_MEM_REGION_SIZE)
+#define SH7780_CS6_BASE_ADDR	(SH7780_CS5_BASE_ADDR + SH7780_MEM_REGION_SIZE)
+
+struct sh4_pci_address_map;
+
+/* arch/sh/drivers/pci/pci-sh7780.c */
+int sh7780_pcic_init(struct sh4_pci_address_map *map);
+
+#endif /* _PCI_SH7780_H_ */
diff --git a/arch/sh/drivers/pci/pci-st40.c b/arch/sh/drivers/pci/pci-st40.c
index 7c81b8b65bb5..4ab5ea6b35fb 100644
--- a/arch/sh/drivers/pci/pci-st40.c
+++ b/arch/sh/drivers/pci/pci-st40.c
@@ -70,12 +70,6 @@
 static void pci_set_rbar_region(unsigned int region,     unsigned long localAddr,
 			 unsigned long pciOffset, unsigned long regionSize);
 
-/*
- * The pcibios_map_platform_irq function is defined in the appropriate
- * board specific code and referenced here
- */
-extern int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin);
-
 static __init void SetPCIPLL(void)
 {
 	{
@@ -422,13 +416,6 @@ struct pci_ops st40pci_config_ops = {
 /* Everything hangs off this */
 static struct pci_bus *pci_root_bus;
 
-
-static u8 __init no_swizzle(struct pci_dev *dev, u8 * pin)
-{
-	return PCI_SLOT(dev->devfn);
-}
-
-
 static int __init pcibios_init(void)
 {
 	extern unsigned long memory_start, memory_end;
@@ -465,17 +452,11 @@ static int __init pcibios_init(void)
 	/* ok, do the scan man */
 	pci_root_bus = pci_scan_bus(0, &st40pci_config_ops, NULL);
 	pci_assign_unassigned_resources();
-	pci_fixup_irqs(no_swizzle, pcibios_map_platform_irq);
 
 	return 0;
 }
-
 subsys_initcall(pcibios_init);
 
-void __init pcibios_fixup_bus(struct pci_bus *bus)
-{
-}
-
 /*
  * Publish a region of local address space over the PCI bus
  * to other devices.
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 3d546ba329cf..d439336d2e18 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -1,21 +1,45 @@
-/* arch/sh/kernel/pci.c
- * $Id: pci.c,v 1.1 2003/08/24 19:15:45 lethal Exp $
+/*
+ * arch/sh/drivers/pci/pci.c
  *
  * Copyright (c) 2002 M. R. Brown  <mrbrown@linux-sh.org>
- * 
- * 
+ * Copyright (c) 2004 - 2006 Paul Mundt  <lethal@linux-sh.org>
+ *
  * These functions are collected here to reduce duplication of common
  * code amongst the many platform-specific PCI support code files.
- * 
+ *
  * These routines require the following board-specific routines:
  * void pcibios_fixup_irqs();
  *
  * See include/asm-sh/pci.h for more information.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
-
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <asm/io.h>
+
+static inline u8 bridge_swizzle(u8 pin, u8 slot)
+{
+	return (((pin - 1) + slot) % 4) + 1;
+}
+
+static u8 __init simple_swizzle(struct pci_dev *dev, u8 *pinp)
+{
+	u8 pin = *pinp;
+
+	while (dev->bus->parent) {
+		pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
+		/* Move up the chain of bridges. */
+		dev = dev->bus->self;
+	}
+	*pinp = pin;
+
+	/* The slot is the slot of the last bridge. */
+	return PCI_SLOT(dev->devfn);
+}
 
 static int __init pcibios_init(void)
 {
@@ -26,26 +50,32 @@ static int __init pcibios_init(void)
 #ifdef CONFIG_PCI_AUTO
 	/* assign resources */
 	busno = 0;
-	for (p = board_pci_channels; p->pci_ops != NULL; p++) {
+	for (p = board_pci_channels; p->pci_ops != NULL; p++)
 		busno = pciauto_assign_resources(busno, p) + 1;
-	}
 #endif
 
 	/* scan the buses */
 	busno = 0;
-	for (p= board_pci_channels; p->pci_ops != NULL; p++) {
+	for (p = board_pci_channels; p->pci_ops != NULL; p++) {
 		bus = pci_scan_bus(busno, p->pci_ops, p);
-		busno = bus->subordinate+1;
+		busno = bus->subordinate + 1;
 	}
 
-	/* board-specific fixups */
-	pcibios_fixup_irqs();
+	pci_fixup_irqs(simple_swizzle, pcibios_map_platform_irq);
 
 	return 0;
 }
-
 subsys_initcall(pcibios_init);
 
+/*
+ *  Called after each bus is probed, but before its children
+ *  are examined.
+ */
+void __init pcibios_fixup_bus(struct pci_bus *bus)
+{
+	pci_read_bridge_bases(bus);
+}
+
 void
 pcibios_update_resource(struct pci_dev *dev, struct resource *root,
 			struct resource *res, int resource)
@@ -61,13 +91,17 @@ pcibios_update_resource(struct pci_dev *dev, struct resource *root,
 		new |= PCI_ROM_ADDRESS_ENABLE;
 		reg = dev->rom_base_reg;
 	} else {
-		/* Somebody might have asked allocation of a non-standard resource */
+		/*
+		 * Somebody might have asked allocation of a non-standard
+		 * resource
+		 */
 		return;
 	}
-	
+
 	pci_write_config_dword(dev, reg, new);
 	pci_read_config_dword(dev, reg, &check);
-	if ((new ^ check) & ((new & PCI_BASE_ADDRESS_SPACE_IO) ? PCI_BASE_ADDRESS_IO_MASK : PCI_BASE_ADDRESS_MEM_MASK)) {
+	if ((new ^ check) & ((new & PCI_BASE_ADDRESS_SPACE_IO) ?
+		PCI_BASE_ADDRESS_IO_MASK : PCI_BASE_ADDRESS_MEM_MASK)) {
 		printk(KERN_ERR "PCI: Error while updating region "
 		       "%s/%d (%08x != %08x)\n", pci_name(dev), resource,
 		       new, check);
@@ -145,7 +179,8 @@ void pcibios_set_master(struct pci_dev *dev)
 		lat = pcibios_max_latency;
 	else
 		return;
-	printk(KERN_INFO "PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat);
+	printk(KERN_INFO "PCI: Setting latency timer of device %s to %d\n",
+	       pci_name(dev), lat);
 	pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
 }
 
@@ -153,3 +188,39 @@ void __init pcibios_update_irq(struct pci_dev *dev, int irq)
 {
 	pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
 }
+
+void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
+{
+	unsigned long start = pci_resource_start(dev, bar);
+	unsigned long len = pci_resource_len(dev, bar);
+	unsigned long flags = pci_resource_flags(dev, bar);
+
+	if (unlikely(!len || !start))
+		return NULL;
+	if (maxlen && len > maxlen)
+		len = maxlen;
+
+	/*
+	 * Presently the IORESOURCE_MEM case is a bit special, most
+	 * SH7751 style PCI controllers have PCI memory at a fixed
+	 * location in the address space where no remapping is desired
+	 * (typically at 0xfd000000, but is_pci_memaddr() will know
+	 * best). With the IORESOURCE_MEM case more care has to be taken
+	 * to inhibit page table mapping for legacy cores, but this is
+	 * punted off to __ioremap().
+	 *					-- PFM.
+	 */
+	if (flags & IORESOURCE_IO)
+		return ioport_map(start, len);
+	if (flags & IORESOURCE_MEM)
+		return ioremap(start, len);
+
+	return NULL;
+}
+EXPORT_SYMBOL(pci_iomap);
+
+void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
+{
+	iounmap(addr);
+}
+EXPORT_SYMBOL(pci_iounmap);
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index f05cd96f8867..5da88a43d350 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -6,9 +6,10 @@ extra-y	:= head.o init_task.o vmlinux.lds
 
 obj-y	:= process.o signal.o entry.o traps.o irq.o \
 	ptrace.o setup.o time.o sys_sh.o semaphore.o \
-	io.o io_generic.o sh_ksyms.o
+	io.o io_generic.o sh_ksyms.o syscalls.o
 
 obj-y				+= cpu/ timers/
+obj-$(CONFIG_VSYSCALL)		+= vsyscall/
 
 obj-$(CONFIG_SMP)		+= smp.o
 obj-$(CONFIG_CF_ENABLER)	+= cf-enabler.o
@@ -18,3 +19,5 @@ obj-$(CONFIG_SH_CPU_FREQ)	+= cpufreq.o
 obj-$(CONFIG_MODULES)		+= module.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
+obj-$(CONFIG_APM)		+= apm.o
+obj-$(CONFIG_PM)		+= pm.o
diff --git a/arch/sh/kernel/apm.c b/arch/sh/kernel/apm.c
new file mode 100644
index 000000000000..871e7d640002
--- /dev/null
+++ b/arch/sh/kernel/apm.c
@@ -0,0 +1,539 @@
+/*
+ * bios-less APM driver for hp680
+ *
+ * Copyright 2005 (c) Andriy Skulysh <askulysh@gmail.com>
+ *
+ * based on ARM APM driver by
+ *  Jamey Hicks <jamey@crl.dec.com>
+ *
+ * adapted from the APM BIOS driver for Linux by
+ *  Stephen Rothwell (sfr@linuxcare.com)
+ *
+ * APM 1.2 Reference:
+ *   Intel Corporation, Microsoft Corporation. Advanced Power Management
+ *   (APM) BIOS Interface Specification, Revision 1.2, February 1996.
+ *
+ * [This document is available from Microsoft at:
+ *    http://www.microsoft.com/hwdev/busbios/amp_12.htm]
+ */
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/poll.h>
+#include <linux/timer.h>
+#include <linux/slab.h>
+#include <linux/proc_fs.h>
+#include <linux/miscdevice.h>
+#include <linux/apm_bios.h>
+#include <linux/pm.h>
+#include <linux/pm_legacy.h>
+#include <asm/apm.h>
+
+#define MODNAME "apm"
+
+/*
+ * The apm_bios device is one of the misc char devices.
+ * This is its minor number.
+ */
+#define APM_MINOR_DEV			134
+
+/*
+ * Maximum number of events stored
+ */
+#define APM_MAX_EVENTS			16
+
+struct apm_queue {
+	unsigned int		event_head;
+	unsigned int		event_tail;
+	apm_event_t		events[APM_MAX_EVENTS];
+};
+
+/*
+ * The per-file APM data
+ */
+struct apm_user {
+	struct list_head	list;
+
+	unsigned int		suser: 1;
+	unsigned int		writer: 1;
+	unsigned int		reader: 1;
+
+	int			suspend_result;
+	unsigned int		suspend_state;
+#define SUSPEND_NONE	0		/* no suspend pending */
+#define SUSPEND_PENDING	1		/* suspend pending read */
+#define SUSPEND_READ	2		/* suspend read, pending ack */
+#define SUSPEND_ACKED	3		/* suspend acked */
+#define SUSPEND_DONE	4		/* suspend completed */
+
+	struct apm_queue	queue;
+};
+
+/*
+ * Local variables
+ */
+static int suspends_pending;
+
+static DECLARE_WAIT_QUEUE_HEAD(apm_waitqueue);
+static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue);
+
+/*
+ * This is a list of everyone who has opened /dev/apm_bios
+ */
+static DECLARE_RWSEM(user_list_lock);
+static LIST_HEAD(apm_user_list);
+
+/*
+ * kapmd info.  kapmd provides us a process context to handle
+ * "APM" events within - specifically necessary if we're going
+ * to be suspending the system.
+ */
+static DECLARE_WAIT_QUEUE_HEAD(kapmd_wait);
+static DECLARE_COMPLETION(kapmd_exit);
+static DEFINE_SPINLOCK(kapmd_queue_lock);
+static struct apm_queue kapmd_queue;
+
+int apm_suspended;
+EXPORT_SYMBOL(apm_suspended);
+
+/* Platform-specific apm_read_proc(). */
+int (*apm_get_info)(char *buf, char **start, off_t fpos, int length);
+EXPORT_SYMBOL(apm_get_info);
+
+/*
+ * APM event queue management.
+ */
+static inline int queue_empty(struct apm_queue *q)
+{
+	return q->event_head == q->event_tail;
+}
+
+static inline apm_event_t queue_get_event(struct apm_queue *q)
+{
+	q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS;
+	return q->events[q->event_tail];
+}
+
+static void queue_add_event(struct apm_queue *q, apm_event_t event)
+{
+	q->event_head = (q->event_head + 1) % APM_MAX_EVENTS;
+	if (q->event_head == q->event_tail) {
+		static int notified;
+
+		if (notified++ == 0)
+			printk(KERN_ERR "apm: an event queue overflowed\n");
+
+		q->event_tail = (q->event_tail + 1) % APM_MAX_EVENTS;
+	}
+	q->events[q->event_head] = event;
+}
+
+static void queue_event_one_user(struct apm_user *as, apm_event_t event)
+{
+	if (as->suser && as->writer) {
+		switch (event) {
+		case APM_SYS_SUSPEND:
+		case APM_USER_SUSPEND:
+			/*
+			 * If this user already has a suspend pending,
+			 * don't queue another one.
+			 */
+			if (as->suspend_state != SUSPEND_NONE)
+				return;
+
+			as->suspend_state = SUSPEND_PENDING;
+			suspends_pending++;
+			break;
+		}
+	}
+	queue_add_event(&as->queue, event);
+}
+
+static void queue_event(apm_event_t event, struct apm_user *sender)
+{
+	struct apm_user *as;
+
+	down_read(&user_list_lock);
+
+	list_for_each_entry(as, &apm_user_list, list)
+		if (as != sender && as->reader)
+			queue_event_one_user(as, event);
+
+	up_read(&user_list_lock);
+	wake_up_interruptible(&apm_waitqueue);
+}
+
+/**
+ * apm_queue_event - queue an APM event for kapmd
+ * @event: APM event
+ *
+ * Queue an APM event for kapmd to process and ultimately take the
+ * appropriate action.  Only a subset of events are handled:
+ *   %APM_LOW_BATTERY
+ *   %APM_POWER_STATUS_CHANGE
+ *   %APM_USER_SUSPEND
+ *   %APM_SYS_SUSPEND
+ *   %APM_CRITICAL_SUSPEND
+ */
+void apm_queue_event(apm_event_t event)
+{
+	spin_lock_irq(&kapmd_queue_lock);
+	queue_add_event(&kapmd_queue, event);
+	spin_unlock_irq(&kapmd_queue_lock);
+
+	wake_up_interruptible(&kapmd_wait);
+}
+EXPORT_SYMBOL(apm_queue_event);
+
+static void apm_suspend(void)
+{
+	struct apm_user *as;
+	int err;
+
+	apm_suspended = 1;
+	err = pm_suspend(PM_SUSPEND_MEM);
+
+	/*
+	 * Anyone on the APM queues will think we're still suspended.
+	 * Send a message so everyone knows we're now awake again.
+	 */
+	queue_event(APM_NORMAL_RESUME, NULL);
+
+	/*
+	 * Finally, wake up anyone who is sleeping on the suspend.
+	 */
+	down_read(&user_list_lock);
+	list_for_each_entry(as, &apm_user_list, list) {
+		as->suspend_result = err;
+		as->suspend_state = SUSPEND_DONE;
+	}
+	up_read(&user_list_lock);
+
+	wake_up(&apm_suspend_waitqueue);
+	apm_suspended = 0;
+}
+
+static ssize_t apm_read(struct file *fp, char __user *buf,
+			size_t count, loff_t *ppos)
+{
+	struct apm_user *as = fp->private_data;
+	apm_event_t event;
+	int i = count, ret = 0;
+
+	if (count < sizeof(apm_event_t))
+		return -EINVAL;
+
+	if (queue_empty(&as->queue) && fp->f_flags & O_NONBLOCK)
+		return -EAGAIN;
+
+	wait_event_interruptible(apm_waitqueue, !queue_empty(&as->queue));
+
+	while ((i >= sizeof(event)) && !queue_empty(&as->queue)) {
+		event = queue_get_event(&as->queue);
+
+		ret = -EFAULT;
+		if (copy_to_user(buf, &event, sizeof(event)))
+			break;
+
+		if (event == APM_SYS_SUSPEND || event == APM_USER_SUSPEND)
+			as->suspend_state = SUSPEND_READ;
+
+		buf += sizeof(event);
+		i -= sizeof(event);
+	}
+
+	if (i < count)
+		ret = count - i;
+
+	return ret;
+}
+
+static unsigned int apm_poll(struct file *fp, poll_table * wait)
+{
+	struct apm_user *as = fp->private_data;
+
+	poll_wait(fp, &apm_waitqueue, wait);
+	return queue_empty(&as->queue) ? 0 : POLLIN | POLLRDNORM;
+}
+
+/*
+ * apm_ioctl - handle APM ioctl
+ *
+ * APM_IOC_SUSPEND
+ *   This IOCTL is overloaded, and performs two functions.  It is used to:
+ *     - initiate a suspend
+ *     - acknowledge a suspend read from /dev/apm_bios.
+ *   Only when everyone who has opened /dev/apm_bios with write permission
+ *   has acknowledge does the actual suspend happen.
+ */
+static int
+apm_ioctl(struct inode * inode, struct file *filp, u_int cmd, u_long arg)
+{
+	struct apm_user *as = filp->private_data;
+	unsigned long flags;
+	int err = -EINVAL;
+
+	if (!as->suser || !as->writer)
+		return -EPERM;
+
+	switch (cmd) {
+	case APM_IOC_SUSPEND:
+		as->suspend_result = -EINTR;
+
+		if (as->suspend_state == SUSPEND_READ) {
+			/*
+			 * If we read a suspend command from /dev/apm_bios,
+			 * then the corresponding APM_IOC_SUSPEND ioctl is
+			 * interpreted as an acknowledge.
+			 */
+			as->suspend_state = SUSPEND_ACKED;
+			suspends_pending--;
+		} else {
+			/*
+			 * Otherwise it is a request to suspend the system.
+			 * Queue an event for all readers, and expect an
+			 * acknowledge from all writers who haven't already
+			 * acknowledged.
+			 */
+			queue_event(APM_USER_SUSPEND, as);
+		}
+
+		/*
+		 * If there are no further acknowledges required, suspend
+		 * the system.
+		 */
+		if (suspends_pending == 0)
+			apm_suspend();
+
+		/*
+		 * Wait for the suspend/resume to complete.  If there are
+		 * pending acknowledges, we wait here for them.
+		 *
+		 * Note that we need to ensure that the PM subsystem does
+		 * not kick us out of the wait when it suspends the threads.
+		 */
+		flags = current->flags;
+		current->flags |= PF_NOFREEZE;
+
+		/*
+		 * Note: do not allow a thread which is acking the suspend
+		 * to escape until the resume is complete.
+		 */
+		if (as->suspend_state == SUSPEND_ACKED)
+			wait_event(apm_suspend_waitqueue,
+					 as->suspend_state == SUSPEND_DONE);
+		else
+			wait_event_interruptible(apm_suspend_waitqueue,
+					 as->suspend_state == SUSPEND_DONE);
+
+		current->flags = flags;
+		err = as->suspend_result;
+		as->suspend_state = SUSPEND_NONE;
+		break;
+	}
+
+	return err;
+}
+
+static int apm_release(struct inode * inode, struct file * filp)
+{
+	struct apm_user *as = filp->private_data;
+	filp->private_data = NULL;
+
+	down_write(&user_list_lock);
+	list_del(&as->list);
+	up_write(&user_list_lock);
+
+	/*
+	 * We are now unhooked from the chain.  As far as new
+	 * events are concerned, we no longer exist.  However, we
+	 * need to balance suspends_pending, which means the
+	 * possibility of sleeping.
+	 */
+	if (as->suspend_state != SUSPEND_NONE) {
+		suspends_pending -= 1;
+		if (suspends_pending == 0)
+			apm_suspend();
+	}
+
+	kfree(as);
+	return 0;
+}
+
+static int apm_open(struct inode * inode, struct file * filp)
+{
+	struct apm_user *as;
+
+	as = kzalloc(sizeof(*as), GFP_KERNEL);
+	if (as) {
+		/*
+		 * XXX - this is a tiny bit broken, when we consider BSD
+		 * process accounting. If the device is opened by root, we
+		 * instantly flag that we used superuser privs. Who knows,
+		 * we might close the device immediately without doing a
+		 * privileged operation -- cevans
+		 */
+		as->suser = capable(CAP_SYS_ADMIN);
+		as->writer = (filp->f_mode & FMODE_WRITE) == FMODE_WRITE;
+		as->reader = (filp->f_mode & FMODE_READ) == FMODE_READ;
+
+		down_write(&user_list_lock);
+		list_add(&as->list, &apm_user_list);
+		up_write(&user_list_lock);
+
+		filp->private_data = as;
+	}
+
+	return as ? 0 : -ENOMEM;
+}
+
+static struct file_operations apm_bios_fops = {
+	.owner		= THIS_MODULE,
+	.read		= apm_read,
+	.poll		= apm_poll,
+	.ioctl		= apm_ioctl,
+	.open		= apm_open,
+	.release	= apm_release,
+};
+
+static struct miscdevice apm_device = {
+	.minor		= APM_MINOR_DEV,
+	.name		= "apm_bios",
+	.fops		= &apm_bios_fops
+};
+
+
+#ifdef CONFIG_PROC_FS
+/*
+ * Arguments, with symbols from linux/apm_bios.h.
+ *
+ *   0) Linux driver version (this will change if format changes)
+ *   1) APM BIOS Version.  Usually 1.0, 1.1 or 1.2.
+ *   2) APM flags from APM Installation Check (0x00):
+ *	bit 0: APM_16_BIT_SUPPORT
+ *	bit 1: APM_32_BIT_SUPPORT
+ *	bit 2: APM_IDLE_SLOWS_CLOCK
+ *	bit 3: APM_BIOS_DISABLED
+ *	bit 4: APM_BIOS_DISENGAGED
+ *   3) AC line status
+ *	0x00: Off-line
+ *	0x01: On-line
+ *	0x02: On backup power (BIOS >= 1.1 only)
+ *	0xff: Unknown
+ *   4) Battery status
+ *	0x00: High
+ *	0x01: Low
+ *	0x02: Critical
+ *	0x03: Charging
+ *	0x04: Selected battery not present (BIOS >= 1.2 only)
+ *	0xff: Unknown
+ *   5) Battery flag
+ *	bit 0: High
+ *	bit 1: Low
+ *	bit 2: Critical
+ *	bit 3: Charging
+ *	bit 7: No system battery
+ *	0xff: Unknown
+ *   6) Remaining battery life (percentage of charge):
+ *	0-100: valid
+ *	-1: Unknown
+ *   7) Remaining battery life (time units):
+ *	Number of remaining minutes or seconds
+ *	-1: Unknown
+ *   8) min = minutes; sec = seconds
+ */
+static int apm_read_proc(char *buf, char **start, off_t fpos, int length)
+{
+	if (likely(apm_get_info))
+		return apm_get_info(buf, start, fpos, length);
+
+	return -EINVAL;
+}
+#endif
+
+static int kapmd(void *arg)
+{
+	daemonize("kapmd");
+	current->flags |= PF_NOFREEZE;
+
+	do {
+		apm_event_t event;
+
+		wait_event_interruptible(kapmd_wait,
+				!queue_empty(&kapmd_queue) || !pm_active);
+
+		if (!pm_active)
+			break;
+
+		spin_lock_irq(&kapmd_queue_lock);
+		event = 0;
+		if (!queue_empty(&kapmd_queue))
+			event = queue_get_event(&kapmd_queue);
+		spin_unlock_irq(&kapmd_queue_lock);
+
+		switch (event) {
+		case 0:
+			break;
+
+		case APM_LOW_BATTERY:
+		case APM_POWER_STATUS_CHANGE:
+			queue_event(event, NULL);
+			break;
+
+		case APM_USER_SUSPEND:
+		case APM_SYS_SUSPEND:
+			queue_event(event, NULL);
+			if (suspends_pending == 0)
+				apm_suspend();
+			break;
+
+		case APM_CRITICAL_SUSPEND:
+			apm_suspend();
+			break;
+		}
+	} while (1);
+
+	complete_and_exit(&kapmd_exit, 0);
+}
+
+static int __init apm_init(void)
+{
+	int ret;
+
+	pm_active = 1;
+
+	ret = kernel_thread(kapmd, NULL, CLONE_KERNEL);
+	if (unlikely(ret < 0)) {
+		pm_active = 0;
+		return ret;
+	}
+
+	create_proc_info_entry("apm", 0, NULL, apm_read_proc);
+
+	ret = misc_register(&apm_device);
+	if (unlikely(ret != 0)) {
+		remove_proc_entry("apm", NULL);
+
+		pm_active = 0;
+		wake_up(&kapmd_wait);
+		wait_for_completion(&kapmd_exit);
+	}
+
+	return ret;
+}
+
+static void __exit apm_exit(void)
+{
+	misc_deregister(&apm_device);
+	remove_proc_entry("apm", NULL);
+
+	pm_active = 0;
+	wake_up(&kapmd_wait);
+	wait_for_completion(&kapmd_exit);
+}
+
+module_init(apm_init);
+module_exit(apm_exit);
+
+MODULE_AUTHOR("Stephen Rothwell, Andriy Skulysh");
+MODULE_DESCRIPTION("Advanced Power Management");
+MODULE_LICENSE("GPL");
diff --git a/arch/sh/kernel/cf-enabler.c b/arch/sh/kernel/cf-enabler.c
index f1f9ab87f0b0..3e5fa1e24df0 100644
--- a/arch/sh/kernel/cf-enabler.c
+++ b/arch/sh/kernel/cf-enabler.c
@@ -10,7 +10,8 @@
  */
 
 #include <linux/init.h>
-
+#include <linux/mm.h>
+#include <linux/vmalloc.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 
@@ -32,8 +33,6 @@
 /* SH4 can't access PCMCIA interface through P2 area.
  * we must remap it with appropreate attribute bit of the page set.
  * this part is based on Greg Banks' hd64465_ss.c implementation - Masahiro Abe */
-#include <linux/mm.h>
-#include <linux/vmalloc.h>
 
 #if defined(CONFIG_CF_AREA6)
 #define slot_no 0
@@ -41,9 +40,6 @@
 #define slot_no 1
 #endif
 
-/* defined in mm/ioremap.c */
-extern void * p3_ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags);
-
 /* use this pointer to access to directly connected compact flash io area*/
 void *cf_io_base;
 
@@ -62,7 +58,7 @@ static int __init allocate_cf_area(void)
 		return -ENOMEM;
 	}
 /*	printk("p3_ioremap(paddr=0x%08lx, psize=0x%08lx, prot=0x%08lx)=0x%08lx\n",
-	    	paddrbase, psize, prot.pgprot, cf_io_base);*/
+		paddrbase, psize, prot.pgprot, cf_io_base);*/
 
 	/* XXX : do we need attribute and common-memory area also? */
 
@@ -87,7 +83,7 @@ static int __init cf_init_default(void)
 }
 
 #if defined(CONFIG_SH_SOLUTION_ENGINE)
-#include <asm/se/se.h>
+#include <asm/se.h>
 
 /*
  * SolutionEngine
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index 59d5b748752f..fb5dac069382 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -8,6 +8,5 @@ obj-$(CONFIG_CPU_SH2)		+= sh2/
 obj-$(CONFIG_CPU_SH3)		+= sh3/
 obj-$(CONFIG_CPU_SH4)		+= sh4/
 
-obj-$(CONFIG_SH_RTC)		+= rtc.o
 obj-$(CONFIG_UBC_WAKEUP)	+= ubc.o
 obj-$(CONFIG_SH_ADC)		+= adc.o
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 97fa37f42b84..51ec64cdf348 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -1,7 +1,7 @@
 /*
  * arch/sh/kernel/cpu/clock.c - SuperH clock framework
  *
- *  Copyright (C) 2005  Paul Mundt
+ *  Copyright (C) 2005, 2006  Paul Mundt
  *
  * This clock framework is derived from the OMAP version by:
  *
@@ -15,6 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <linux/list.h>
 #include <linux/kref.h>
 #include <linux/seq_file.h>
@@ -24,7 +25,7 @@
 
 static LIST_HEAD(clock_list);
 static DEFINE_SPINLOCK(clock_lock);
-static DECLARE_MUTEX(clock_list_sem);
+static DEFINE_MUTEX(clock_list_sem);
 
 /*
  * Each subtype is expected to define the init routines for these clocks,
@@ -140,21 +141,21 @@ void clk_disable(struct clk *clk)
 
 int clk_register(struct clk *clk)
 {
-	down(&clock_list_sem);
+	mutex_lock(&clock_list_sem);
 
 	list_add(&clk->node, &clock_list);
 	kref_init(&clk->kref);
 
-	up(&clock_list_sem);
+	mutex_unlock(&clock_list_sem);
 
 	return 0;
 }
 
 void clk_unregister(struct clk *clk)
 {
-	down(&clock_list_sem);
+	mutex_lock(&clock_list_sem);
 	list_del(&clk->node);
-	up(&clock_list_sem);
+	mutex_unlock(&clock_list_sem);
 }
 
 inline unsigned long clk_get_rate(struct clk *clk)
@@ -198,14 +199,14 @@ struct clk *clk_get(const char *id)
 {
 	struct clk *p, *clk = ERR_PTR(-ENOENT);
 
-	down(&clock_list_sem);
+	mutex_lock(&clock_list_sem);
 	list_for_each_entry(p, &clock_list, node) {
 		if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
 			clk = p;
 			break;
 		}
 	}
-	up(&clock_list_sem);
+	mutex_unlock(&clock_list_sem);
 
 	return clk;
 }
@@ -225,7 +226,7 @@ int __init clk_init(void)
 {
 	int i, ret = 0;
 
-	BUG_ON(unlikely(!master_clk.rate));
+	BUG_ON(!master_clk.rate);
 
 	for (i = 0; i < ARRAY_SIZE(onchip_clocks); i++) {
 		struct clk *clk = onchip_clocks[i];
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index 868e68b28880..bfb90eb0b7a6 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -4,6 +4,7 @@
  * CPU init code
  *
  * Copyright (C) 2002, 2003  Paul Mundt
+ * Copyright (C) 2003  Richard Curnow
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -13,6 +14,7 @@
 #include <linux/kernel.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
+#include <asm/page.h>
 #include <asm/system.h>
 #include <asm/cacheflush.h>
 #include <asm/cache.h>
@@ -51,7 +53,15 @@ static void __init cache_init(void)
 	ccr = ctrl_inl(CCR);
 
 	/*
-	 * If the cache is already enabled .. flush it.
+	 * At this point we don't know whether the cache is enabled or not - a
+	 * bootloader may have enabled it.  There are at least 2 things that
+	 * could be dirty in the cache at this point:
+	 * 1. kernel command line set up by boot loader
+	 * 2. spilled registers from the prolog of this function
+	 * => before re-initialising the cache, we must do a purge of the whole
+	 * cache out to memory for safety.  As long as nothing is spilled
+	 * during the loop to lines that have already been done, this is safe.
+	 * - RPC
 	 */
 	if (ccr & CCR_CACHE_ENABLE) {
 		unsigned long ways, waysize, addrstart;
@@ -98,6 +108,8 @@ static void __init cache_init(void)
 	/* Force EMODE if possible */
 	if (cpu_data->dcache.ways > 1)
 		flags |= CCR_CACHE_EMODE;
+	else
+		flags &= ~CCR_CACHE_EMODE;
 #endif
 
 #ifdef CONFIG_SH_WRITETHROUGH
@@ -112,6 +124,9 @@ static void __init cache_init(void)
 	/* Turn on OCRAM -- halve the OC */
 	flags |= CCR_CACHE_ORA;
 	cpu_data->dcache.sets >>= 1;
+
+	cpu_data->dcache.way_size = cpu_data->dcache.sets *
+				    cpu_data->dcache.linesz;
 #endif
 
 	ctrl_outl(flags, CCR);
@@ -184,6 +199,10 @@ asmlinkage void __init sh_cpu_init(void)
 	/* Init the cache */
 	cache_init();
 
+	shm_align_mask = max_t(unsigned long,
+			       cpu_data->dcache.way_size - 1,
+			       PAGE_SIZE - 1);
+
 	/* Disable the FPU */
 	if (fpu_disabled) {
 		printk("FPU Disabled\n");
diff --git a/arch/sh/kernel/cpu/irq/Makefile b/arch/sh/kernel/cpu/irq/Makefile
index e3cccea15e1d..1c034c283f59 100644
--- a/arch/sh/kernel/cpu/irq/Makefile
+++ b/arch/sh/kernel/cpu/irq/Makefile
@@ -3,5 +3,6 @@
 #
 obj-y	+= ipr.o imask.o
 
-obj-$(CONFIG_CPU_HAS_PINT_IRQ)	+= pint.o
-obj-$(CONFIG_CPU_HAS_INTC2_IRQ)	+= intc2.o
+obj-$(CONFIG_CPU_HAS_PINT_IRQ)		+= pint.o
+obj-$(CONFIG_CPU_HAS_MASKREG_IRQ)	+= maskreg.o
+obj-$(CONFIG_CPU_HAS_INTC2_IRQ)		+= intc2.o
diff --git a/arch/sh/kernel/cpu/irq/intc2.c b/arch/sh/kernel/cpu/irq/intc2.c
index 30064bf6e154..e30e4b7aa70e 100644
--- a/arch/sh/kernel/cpu/irq/intc2.c
+++ b/arch/sh/kernel/cpu/irq/intc2.c
@@ -241,9 +241,9 @@ static struct intc2_init {
 	/* 110-111 reserved/unused */
 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
 	{ TIMER_IRQ, 0, 24, 0, INTC_TMU0_MSK, 2},
-#ifdef CONFIG_SH_RTC
-	{ RTC_IRQ, 4, 0, 0, INTC_RTC_MSK, TIMER_PRIORITY },
-#endif
+	{ 21, 1, 0, 0, INTC_RTC_MSK, TIMER_PRIORITY },
+	{ 22, 1, 1, 0, INTC_RTC_MSK, TIMER_PRIORITY },
+	{ 23, 1, 2, 0, INTC_RTC_MSK, TIMER_PRIORITY },
 	{ SCIF0_ERI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
 	{ SCIF0_RXI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
 	{ SCIF0_BRI_IRQ, 8, 24, 0, INTC_SCIF0_MSK, SCIF0_PRIORITY },
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index 0f545941fb4f..f785822cd5de 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -57,31 +57,27 @@ static struct hw_interrupt_type ipr_irq_type = {
 
 static void disable_ipr_irq(unsigned int irq)
 {
-	unsigned long val, flags;
+	unsigned long val;
 	unsigned int addr = ipr_data[irq].addr;
 	unsigned short mask = 0xffff ^ (0x0f << ipr_data[irq].shift);
 
 	/* Set the priority in IPR to 0 */
-	local_irq_save(flags);
 	val = ctrl_inw(addr);
 	val &= mask;
 	ctrl_outw(val, addr);
-	local_irq_restore(flags);
 }
 
 static void enable_ipr_irq(unsigned int irq)
 {
-	unsigned long val, flags;
+	unsigned long val;
 	unsigned int addr = ipr_data[irq].addr;
 	int priority = ipr_data[irq].priority;
 	unsigned short value = (priority << ipr_data[irq].shift);
 
 	/* Set priority in IPR back to original value */
-	local_irq_save(flags);
 	val = ctrl_inw(addr);
 	val |= value;
 	ctrl_outw(val, addr);
-	local_irq_restore(flags);
 }
 
 static void mask_and_ack_ipr(unsigned int irq)
@@ -89,6 +85,7 @@ static void mask_and_ack_ipr(unsigned int irq)
 	disable_ipr_irq(irq);
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7706) || \
     defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705)
 	/* This is needed when we use edge triggered setting */
 	/* XXX: Is it really needed? */
@@ -123,7 +120,7 @@ void __init init_IRQ(void)
 #ifndef CONFIG_CPU_SUBTYPE_SH7780
 	make_ipr_irq(TIMER_IRQ, TIMER_IPR_ADDR, TIMER_IPR_POS, TIMER_PRIORITY);
 	make_ipr_irq(TIMER1_IRQ, TIMER1_IPR_ADDR, TIMER1_IPR_POS, TIMER1_PRIORITY);
-#if defined(CONFIG_SH_RTC)
+#ifdef RTC_IRQ
 	make_ipr_irq(RTC_IRQ, RTC_IPR_ADDR, RTC_IPR_POS, RTC_PRIORITY);
 #endif
 
@@ -162,6 +159,7 @@ void __init init_IRQ(void)
 #endif
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \
+    defined(CONFIG_CPU_SUBTYPE_SH7706) || \
     defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705)
 	/*
 	 * Initialize the Interrupt Controller (INTC)
@@ -192,6 +190,8 @@ void __init init_IRQ(void)
 	/* Perform the machine specific initialisation */
 	if (sh_mv.mv_init_irq != NULL)
 		sh_mv.mv_init_irq();
+
+	irq_ctx_init(smp_processor_id());
 }
 
 #if !defined(CONFIG_CPU_HAS_PINT_IRQ)
diff --git a/arch/sh/boards/adx/irq_maskreg.c b/arch/sh/kernel/cpu/irq/maskreg.c
index 4b2abe5eb165..492db31b3cab 100644
--- a/arch/sh/boards/adx/irq_maskreg.c
+++ b/arch/sh/kernel/cpu/irq/maskreg.c
@@ -1,30 +1,23 @@
 /*
- * linux/arch/sh/kernel/irq_maskreg.c
+ * Interrupt handling for Simple external interrupt mask register
  *
  * Copyright (C) 2001 A&D Co., Ltd. <http://www.aandd.co.jp>
  *
- * This file may be copied or modified under the terms of the GNU
- * General Public License.  See linux/COPYING for more information.
- *
- * Interrupt handling for Simple external interrupt mask register
- *
  * This is for the machine which have single 16 bit register
  * for masking external IRQ individually.
- * Each bit of the register is for masking each interrupt.  
+ * Each bit of the register is for masking each interrupt.
+ *
+ * This file may be copied or modified under the terms of the GNU
+ * General Public License.  See linux/COPYING for more information.
  */
-
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/irq.h>
-
 #include <asm/system.h>
 #include <asm/io.h>
-#include <asm/machvec.h>
 
-/* address of external interrupt mask register
- * address must be set prior to use these (maybe in init_XXX_irq())
- * XXX : is it better to use .config than specifying it in code? */
-unsigned short *irq_mask_register = 0;
+/* address of external interrupt mask register */
+unsigned long irq_mask_register;
 
 /* forward declaration */
 static unsigned int startup_maskreg_irq(unsigned int irq);
@@ -36,7 +29,7 @@ static void end_maskreg_irq(unsigned int irq);
 
 /* hw_interrupt_type */
 static struct hw_interrupt_type maskreg_irq_type = {
-	.typename = " Mask Register",
+	.typename = "Mask Register",
 	.startup = startup_maskreg_irq,
 	.shutdown = shutdown_maskreg_irq,
 	.enable = enable_maskreg_irq,
@@ -47,7 +40,7 @@ static struct hw_interrupt_type maskreg_irq_type = {
 
 /* actual implementatin */
 static unsigned int startup_maskreg_irq(unsigned int irq)
-{ 
+{
 	enable_maskreg_irq(irq);
 	return 0; /* never anything pending */
 }
@@ -59,32 +52,26 @@ static void shutdown_maskreg_irq(unsigned int irq)
 
 static void disable_maskreg_irq(unsigned int irq)
 {
-	if (irq_mask_register) {
-		unsigned long flags;
-		unsigned short val, mask = 0x01 << irq;
+	unsigned short val, mask = 0x01 << irq;
+
+	BUG_ON(!irq_mask_register);
 
-		/* Set "irq"th bit */
-		local_irq_save(flags);
-		val = ctrl_inw((unsigned long)irq_mask_register);
-		val |= mask;
-		ctrl_outw(val, (unsigned long)irq_mask_register);
-		local_irq_restore(flags);
-	}
+	/* Set "irq"th bit */
+	val = ctrl_inw(irq_mask_register);
+	val |= mask;
+	ctrl_outw(val, irq_mask_register);
 }
 
 static void enable_maskreg_irq(unsigned int irq)
 {
-	if (irq_mask_register) {
-		unsigned long flags;
-		unsigned short val, mask = ~(0x01 << irq);
+	unsigned short val, mask = ~(0x01 << irq);
+
+	BUG_ON(!irq_mask_register);
 
-		/* Clear "irq"th bit */
-		local_irq_save(flags);
-		val = ctrl_inw((unsigned long)irq_mask_register);
-		val &= mask;
-		ctrl_outw(val, (unsigned long)irq_mask_register);
-		local_irq_restore(flags);
-	}
+	/* Clear "irq"th bit */
+	val = ctrl_inw(irq_mask_register);
+	val &= mask;
+	ctrl_outw(val, irq_mask_register);
 }
 
 static void mask_and_ack_maskreg(unsigned int irq)
@@ -101,6 +88,6 @@ static void end_maskreg_irq(unsigned int irq)
 void make_maskreg_irq(unsigned int irq)
 {
 	disable_irq_nosync(irq);
-	irq_desc[irq].chip = &maskreg_irq_type;
+	irq_desc[irq].handler = &maskreg_irq_type;
 	disable_maskreg_irq(irq);
 }
diff --git a/arch/sh/kernel/cpu/irq/pint.c b/arch/sh/kernel/cpu/irq/pint.c
index 80cd8108d36a..17f47b373d6e 100644
--- a/arch/sh/kernel/cpu/irq/pint.c
+++ b/arch/sh/kernel/cpu/irq/pint.c
@@ -48,26 +48,22 @@ static struct hw_interrupt_type pint_irq_type = {
 
 static void disable_pint_irq(unsigned int irq)
 {
-	unsigned long val, flags;
+	unsigned long val;
 
-	local_irq_save(flags);
 	val = ctrl_inw(INTC_INTER);
 	val &= ~(1 << (irq - PINT_IRQ_BASE));
 	ctrl_outw(val, INTC_INTER);	/* disable PINTn */
 	portcr_mask &= ~(3 << (irq - PINT_IRQ_BASE)*2);
-	local_irq_restore(flags);
 }
 
 static void enable_pint_irq(unsigned int irq)
 {
-	unsigned long val, flags;
+	unsigned long val;
 
-	local_irq_save(flags);
 	val = ctrl_inw(INTC_INTER);
 	val |= 1 << (irq - PINT_IRQ_BASE);
 	ctrl_outw(val, INTC_INTER);	/* enable PINTn */
 	portcr_mask |= 3 << (irq - PINT_IRQ_BASE)*2;
-	local_irq_restore(flags);
 }
 
 static void mask_and_ack_pint(unsigned int irq)
diff --git a/arch/sh/kernel/cpu/rtc.c b/arch/sh/kernel/cpu/rtc.c
deleted file mode 100644
index 4304cf75cfa2..000000000000
--- a/arch/sh/kernel/cpu/rtc.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * linux/arch/sh/kernel/rtc.c -- SH3 / SH4 on-chip RTC support
- *
- *  Copyright (C) 2000  Philipp Rumpf <prumpf@tux.org>
- *  Copyright (C) 1999  Tetsuya Okada & Niibe Yutaka
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/time.h>
-#include <linux/bcd.h>
-#include <asm/io.h>
-#include <asm/rtc.h>
-
-void sh_rtc_gettimeofday(struct timespec *ts)
-{
-	unsigned int sec128, sec, sec2, min, hr, wk, day, mon, yr, yr100, cf_bit;
-	unsigned long flags;
-
- again:
-	do {
-		local_irq_save(flags);
-		ctrl_outb(0, RCR1);  /* Clear CF-bit */
-		sec128 = ctrl_inb(R64CNT);
-		sec = ctrl_inb(RSECCNT);
-		min = ctrl_inb(RMINCNT);
-		hr  = ctrl_inb(RHRCNT);
-		wk  = ctrl_inb(RWKCNT);
-		day = ctrl_inb(RDAYCNT);
-		mon = ctrl_inb(RMONCNT);
-#if defined(CONFIG_CPU_SH4)
-		yr  = ctrl_inw(RYRCNT);
-		yr100 = (yr >> 8);
-		yr &= 0xff;
-#else
-		yr  = ctrl_inb(RYRCNT);
-		yr100 = (yr == 0x99) ? 0x19 : 0x20;
-#endif
-		sec2 = ctrl_inb(R64CNT);
-		cf_bit = ctrl_inb(RCR1) & RCR1_CF;
-		local_irq_restore(flags);
-	} while (cf_bit != 0 || ((sec128 ^ sec2) & RTC_BIT_INVERTED) != 0);
-
-	BCD_TO_BIN(yr100);
-	BCD_TO_BIN(yr);
-	BCD_TO_BIN(mon);
-	BCD_TO_BIN(day);
-	BCD_TO_BIN(hr);
-	BCD_TO_BIN(min);
-	BCD_TO_BIN(sec);
-
-	if (yr > 99 || mon < 1 || mon > 12 || day > 31 || day < 1 ||
-	    hr > 23 || min > 59 || sec > 59) {
-		printk(KERN_ERR
-		       "SH RTC: invalid value, resetting to 1 Jan 2000\n");
-		local_irq_save(flags);
-		ctrl_outb(RCR2_RESET, RCR2);  /* Reset & Stop */
-		ctrl_outb(0, RSECCNT);
-		ctrl_outb(0, RMINCNT);
-		ctrl_outb(0, RHRCNT);
-		ctrl_outb(6, RWKCNT);
-		ctrl_outb(1, RDAYCNT);
-		ctrl_outb(1, RMONCNT);
-#if defined(CONFIG_CPU_SH4)
-		ctrl_outw(0x2000, RYRCNT);
-#else
-		ctrl_outb(0, RYRCNT);
-#endif
-		ctrl_outb(RCR2_RTCEN|RCR2_START, RCR2);  /* Start */
-		goto again;
-	}
-
-#if RTC_BIT_INVERTED != 0
-	if ((sec128 & RTC_BIT_INVERTED))
-		sec--;
-#endif
-
-	ts->tv_sec = mktime(yr100 * 100 + yr, mon, day, hr, min, sec);
-	ts->tv_nsec = ((sec128 * 1000000) / 128) * 1000;
-}
-
-/*
- * Changed to only care about tv_sec, and not the full timespec struct
- * (i.e. tv_nsec).  It can easily be switched to timespec for future cpus
- * that support setting usec or nsec RTC values.
- */
-int sh_rtc_settimeofday(const time_t secs)
-{
-	int retval = 0;
-	int real_seconds, real_minutes, cmos_minutes;
-	unsigned long flags;
-
-	local_irq_save(flags);
-	ctrl_outb(RCR2_RESET, RCR2);  /* Reset pre-scaler & stop RTC */
-
-	cmos_minutes = ctrl_inb(RMINCNT);
-	BCD_TO_BIN(cmos_minutes);
-
-	/*
-	 * since we're only adjusting minutes and seconds,
-	 * don't interfere with hour overflow. This avoids
-	 * messing with unknown time zones but requires your
-	 * RTC not to be off by more than 15 minutes
-	 */
-	real_seconds = secs % 60;
-	real_minutes = secs / 60;
-	if (((abs(real_minutes - cmos_minutes) + 15)/30) & 1)
-		real_minutes += 30;	/* correct for half hour time zone */
-	real_minutes %= 60;
-
-	if (abs(real_minutes - cmos_minutes) < 30) {
-		BIN_TO_BCD(real_seconds);
-		BIN_TO_BCD(real_minutes);
-		ctrl_outb(real_seconds, RSECCNT);
-		ctrl_outb(real_minutes, RMINCNT);
-	} else {
-		printk(KERN_WARNING
-		       "set_rtc_time: can't update from %d to %d\n",
-		       cmos_minutes, real_minutes);
-		retval = -1;
-	}
-
-	ctrl_outb(RCR2_RTCEN|RCR2_START, RCR2);  /* Start RTC */
-	local_irq_restore(flags);
-
-	return retval;
-}
diff --git a/arch/sh/kernel/cpu/sh3/Makefile b/arch/sh/kernel/cpu/sh3/Makefile
index b54dbb9a0c86..58d3815695ff 100644
--- a/arch/sh/kernel/cpu/sh3/Makefile
+++ b/arch/sh/kernel/cpu/sh3/Makefile
@@ -4,10 +4,21 @@
 
 obj-y	:= ex.o probe.o
 
+# CPU subtype setup
+obj-$(CONFIG_CPU_SUBTYPE_SH7705)	+= setup-sh7705.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7706)	+= setup-sh7709.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7707)	+= setup-sh7709.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7708)	+= setup-sh7708.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7709)	+= setup-sh7709.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7300)	+= setup-sh7300.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7710)	+= setup-sh7710.o
+
+# Primary on-chip clocks (common)
 clock-$(CONFIG_CPU_SH3)			:= clock-sh3.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7300)	:= clock-sh7300.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7705)	:= clock-sh7705.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7706)	:= clock-sh7706.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7709)	:= clock-sh7709.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7710)	:= clock-sh7300.o
 
 obj-y	+= $(clock-y)
-
diff --git a/arch/sh/kernel/cpu/sh3/clock-sh7706.c b/arch/sh/kernel/cpu/sh3/clock-sh7706.c
new file mode 100644
index 000000000000..0cf96f9833bc
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh3/clock-sh7706.c
@@ -0,0 +1,84 @@
+/*
+ * arch/sh/kernel/cpu/sh3/clock-sh7706.c
+ *
+ * SH7706 support for the clock framework
+ *
+ *  Copyright (C) 2006  Takashi YOSHII
+ *
+ * Based on arch/sh/kernel/cpu/sh3/clock-sh7709.c
+ *  Copyright (C) 2005  Andriy Skulysh
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <asm/clock.h>
+#include <asm/freq.h>
+#include <asm/io.h>
+
+static int stc_multipliers[] = { 1, 2, 4, 1, 3, 6, 1, 1 };
+static int ifc_divisors[]    = { 1, 2, 4, 1, 3, 1, 1, 1 };
+static int pfc_divisors[]    = { 1, 2, 4, 1, 3, 6, 1, 1 };
+
+static void master_clk_init(struct clk *clk)
+{
+	int frqcr = ctrl_inw(FRQCR);
+	int idx = ((frqcr & 0x2000) >> 11) | (frqcr & 0x0003);
+
+	clk->rate *= pfc_divisors[idx];
+}
+
+static struct clk_ops sh7706_master_clk_ops = {
+	.init		= master_clk_init,
+};
+
+static void module_clk_recalc(struct clk *clk)
+{
+	int frqcr = ctrl_inw(FRQCR);
+	int idx = ((frqcr & 0x2000) >> 11) | (frqcr & 0x0003);
+
+	clk->rate = clk->parent->rate / pfc_divisors[idx];
+}
+
+static struct clk_ops sh7706_module_clk_ops = {
+	.recalc		= module_clk_recalc,
+};
+
+static void bus_clk_recalc(struct clk *clk)
+{
+	int frqcr = ctrl_inw(FRQCR);
+	int idx = ((frqcr & 0x8000) >> 13) | ((frqcr & 0x0030) >> 4);
+
+	clk->rate = clk->parent->rate / stc_multipliers[idx];
+}
+
+static struct clk_ops sh7706_bus_clk_ops = {
+	.recalc		= bus_clk_recalc,
+};
+
+static void cpu_clk_recalc(struct clk *clk)
+{
+	int frqcr = ctrl_inw(FRQCR);
+	int idx = ((frqcr & 0x4000) >> 12) | ((frqcr & 0x000c) >> 2);
+
+	clk->rate = clk->parent->rate / ifc_divisors[idx];
+}
+
+static struct clk_ops sh7706_cpu_clk_ops = {
+	.recalc		= cpu_clk_recalc,
+};
+
+static struct clk_ops *sh7706_clk_ops[] = {
+	&sh7706_master_clk_ops,
+	&sh7706_module_clk_ops,
+	&sh7706_bus_clk_ops,
+	&sh7706_cpu_clk_ops,
+};
+
+void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
+{
+	if (idx < ARRAY_SIZE(sh7706_clk_ops))
+		*ops = sh7706_clk_ops[idx];
+}
diff --git a/arch/sh/kernel/cpu/sh3/ex.S b/arch/sh/kernel/cpu/sh3/ex.S
index cc04e9e239ff..44daf44833f9 100644
--- a/arch/sh/kernel/cpu/sh3/ex.S
+++ b/arch/sh/kernel/cpu/sh3/ex.S
@@ -84,8 +84,12 @@ ENTRY(interrupt_table)
 	.long	do_IRQ	!      rovi
 	.long	do_IRQ			
 	.long	do_IRQ			/* 5E0 */
-#if  defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709) || \
-     defined(CONFIG_CPU_SUBTYPE_SH7300) || defined(CONFIG_CPU_SUBTYPE_SH7705)
+#if  defined(CONFIG_CPU_SUBTYPE_SH7707) || \
+     defined(CONFIG_CPU_SUBTYPE_SH7709) || \
+     defined(CONFIG_CPU_SUBTYPE_SH7706) || \
+     defined(CONFIG_CPU_SUBTYPE_SH7300) || \
+     defined(CONFIG_CPU_SUBTYPE_SH7705) || \
+     defined(CONFIG_CPU_SUBTYPE_SH7710)
 	.long	do_IRQ	! 32 IRQ  irq0	/* 600 */
 	.long	do_IRQ	! 33      irq1
 	.long	do_IRQ	! 34      irq2
@@ -147,6 +151,51 @@ ENTRY(interrupt_table)
 	.long   do_IRQ	! 62 PCC  pcc0i
 	.long   do_IRQ	! 63      pcc1i	/* 9E0 */
 #endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7710)
+	.long   exception_none	! 61 	/* 9A0 */
+	.long   exception_none	! 62
+	.long   exception_none	! 63
+	.long   exception_none	! 64	/* A00 */
+	.long   exception_none	! 65
+	.long   exception_none	! 66
+	.long   exception_none	! 67
+	.long   exception_none	! 68
+	.long   exception_none	! 69
+	.long   exception_none	! 70
+	.long   exception_none	! 71
+	.long   exception_none	! 72	/* B00 */
+	.long   exception_none	! 73
+	.long   exception_none	! 74
+	.long   exception_none	! 75
+	.long   do_IRQ	! 76 DMAC2 dei4	/* B80 */
+	.long   do_IRQ	! 77 DMAC2 dei5
+	.long   exception_none	! 78
+	.long   do_IRQ	! 79 IPSEC ipseci /* BE0 */
+	.long   do_IRQ	! 80 EDMAC eint0 /* C00 */
+	.long   do_IRQ	! 81 EDMAC eint1
+	.long   do_IRQ	! 82 EDMAC eint2
+	.long   exception_none	! 83	/* C60 */
+	.long   exception_none	! 84
+	.long   exception_none	! 85
+	.long   exception_none	! 86
+	.long   exception_none	! 87
+	.long   exception_none	! 88	/* D00 */
+	.long   exception_none	! 89
+	.long   exception_none	! 90
+	.long   exception_none	! 91
+	.long   exception_none	! 92
+	.long   exception_none	! 93
+	.long   exception_none	! 94
+	.long   exception_none	! 95
+	.long   do_IRQ	! 96 SIOF eri0	/* E00 */
+	.long   do_IRQ	! 97      txi0
+	.long   do_IRQ	! 98      rxi0
+	.long   do_IRQ	! 99      cci0
+	.long   do_IRQ	! 100     eri1	/* E80 */
+	.long   do_IRQ	! 101     txi1
+	.long   do_IRQ	! 102     rxi2
+	.long   do_IRQ	! 103     cci3
+#endif
 #if defined(CONFIG_CPU_SUBTYPE_SH7300)
 	.long   do_IRQ	! 64
 	.long   do_IRQ	! 65
@@ -195,4 +244,3 @@ ENTRY(interrupt_table)
 	.long   do_IRQ	! 108
 #endif
 #endif
-
diff --git a/arch/sh/kernel/cpu/sh3/probe.c b/arch/sh/kernel/cpu/sh3/probe.c
index 5cdc88638601..e67098836290 100644
--- a/arch/sh/kernel/cpu/sh3/probe.c
+++ b/arch/sh/kernel/cpu/sh3/probe.c
@@ -72,6 +72,12 @@ int __init detect_cpu_and_cache_system(void)
 		cpu_data->dcache.sets		= 256;
 		cpu_data->type = CPU_SH7729;
 
+#if defined(CONFIG_CPU_SUBTYPE_SH7706)
+		cpu_data->type = CPU_SH7706;
+#endif
+#if defined(CONFIG_CPU_SUBTYPE_SH7710)
+		cpu_data->type = CPU_SH7710;
+#endif
 #if defined(CONFIG_CPU_SUBTYPE_SH7705)
 		cpu_data->type = CPU_SH7705;
 
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7300.c b/arch/sh/kernel/cpu/sh3/setup-sh7300.c
new file mode 100644
index 000000000000..ab4d204bfba5
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7300.c
@@ -0,0 +1,43 @@
+/*
+ * SH7300 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xa4430000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCI,
+		.irqs		= { 80, 80, 80, 80 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7300_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7300_devices_setup(void)
+{
+	return platform_add_devices(sh7300_devices,
+				    ARRAY_SIZE(sh7300_devices));
+}
+__initcall(sh7300_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
new file mode 100644
index 000000000000..a8e41c5241fa
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
@@ -0,0 +1,48 @@
+/*
+ * SH7705 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xa4400000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 52, 53, 55, 54 },
+	}, {
+		.mapbase	= 0xa4410000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 56, 57, 59, 58 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7705_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7705_devices_setup(void)
+{
+	return platform_add_devices(sh7705_devices,
+				    ARRAY_SIZE(sh7705_devices));
+}
+__initcall(sh7705_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7708.c b/arch/sh/kernel/cpu/sh3/setup-sh7708.c
new file mode 100644
index 000000000000..f933723911ca
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7708.c
@@ -0,0 +1,43 @@
+/*
+ * SH7708 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xfffffe80,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCI,
+		.irqs		= { 23, 24, 25, 0 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7708_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7708_devices_setup(void)
+{
+	return platform_add_devices(sh7708_devices,
+				    ARRAY_SIZE(sh7708_devices));
+}
+__initcall(sh7708_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7709.c b/arch/sh/kernel/cpu/sh3/setup-sh7709.c
new file mode 100644
index 000000000000..ff43ef2a1f0c
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7709.c
@@ -0,0 +1,53 @@
+/*
+ * SH7707/SH7709 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xfffffe80,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCI,
+		.irqs		= { 23, 24, 25, 0 },
+	}, {
+		.mapbase	= 0xa4000150,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 56, 57, 59, 58 },
+	}, {
+		.mapbase	= 0xa4000140,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_IRDA,
+		.irqs		= { 52, 53, 55, 54 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7709_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7709_devices_setup(void)
+{
+	return platform_add_devices(sh7709_devices,
+				    ARRAY_SIZE(sh7709_devices));
+}
+__initcall(sh7709_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
new file mode 100644
index 000000000000..895f99ee6a95
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c
@@ -0,0 +1,43 @@
+/*
+ * SH7710 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xa4400000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 52, 53, 55, 54 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7710_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7710_devices_setup(void)
+{
+	return platform_add_devices(sh7710_devices,
+				    ARRAY_SIZE(sh7710_devices));
+}
+__initcall(sh7710_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile
index 3d5cafc71ae3..8dbf3895ece7 100644
--- a/arch/sh/kernel/cpu/sh4/Makefile
+++ b/arch/sh/kernel/cpu/sh4/Makefile
@@ -7,6 +7,16 @@ obj-y	:= ex.o probe.o
 obj-$(CONFIG_SH_FPU)                    += fpu.o
 obj-$(CONFIG_SH_STORE_QUEUES)		+= sq.o
 
+# CPU subtype setup
+obj-$(CONFIG_CPU_SUBTYPE_SH7750)	+= setup-sh7750.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7751)	+= setup-sh7750.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7760)	+= setup-sh7760.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7770)	+= setup-sh7770.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7780)	+= setup-sh7780.o
+obj-$(CONFIG_CPU_SUBTYPE_SH73180)	+= setup-sh73180.o
+obj-$(CONFIG_CPU_SUBTYPE_SH7343)	+= setup-sh7343.o
+obj-$(CONFIG_CPU_SUBTYPE_SH4_202)	+= setup-sh4-202.o
+
 # Primary on-chip clocks (common)
 clock-$(CONFIG_CPU_SH4)			:= clock-sh4.o
 clock-$(CONFIG_CPU_SUBTYPE_SH73180)	:= clock-sh73180.o
diff --git a/arch/sh/kernel/cpu/sh4/ex.S b/arch/sh/kernel/cpu/sh4/ex.S
index 26a27df06505..7146893a6cca 100644
--- a/arch/sh/kernel/cpu/sh4/ex.S
+++ b/arch/sh/kernel/cpu/sh4/ex.S
@@ -72,6 +72,7 @@ ENTRY(interrupt_table)
 	.long	do_IRQ	! 1110
 	.long	exception_error		
 	! Internal hardware
+#ifndef CONFIG_CPU_SUBTYPE_SH7780
 	.long	do_IRQ	! TMU0 tuni0	/* 400 */
 	.long	do_IRQ	! TMU1 tuni1
 	.long	do_IRQ	! TMU2 tuni2
@@ -122,6 +123,13 @@ ENTRY(interrupt_table)
 	.long	do_IRQ	! 45      dmte5
 	.long	do_IRQ	! 46      dmte6
 	.long	do_IRQ	! 47      dmte7		/* 7E0 */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7343)
+	.long	do_IRQ	! 44 IIC1 ali		/* 780 */
+	.long	do_IRQ	! 45      tacki
+	.long	do_IRQ	! 46      waiti
+	.long	do_IRQ	! 47      dtei		/* 7E0 */
+	.long	do_IRQ	! 48 DMAC dei0		/* 800 */
+	.long	do_IRQ	! 49      dei1		/* 820 */
 #else
 	.long	exception_error			! 44	/* 780 */
 	.long	exception_error			! 45
@@ -131,7 +139,8 @@ ENTRY(interrupt_table)
 #if defined(CONFIG_SH_FPU)
 	.long	do_fpu_state_restore	! 48	/* 800 */
 	.long	do_fpu_state_restore	! 49	/* 820 */
-#else
+#elif !defined(CONFIG_CPU_SUBTYPE_SH7343) && \
+      !defined(CONFIG_CPU_SUBTYPE_SH73180)
 	.long	exception_error
 	.long	exception_error
 #endif
@@ -224,7 +233,7 @@ ENTRY(interrupt_table)
 	.long	exception_error
 	.long	do_IRQ	! ADC	adi
 	.long	do_IRQ	! CMT	cmti	/* FA0 */
-#elif defined(CONFIG_CPU_SUBTYPE_SH73180)
+#elif defined(CONFIG_CPU_SUBTYPE_SH73180) || defined(CONFIG_CPU_SUBTYPE_SH7343)
 	.long	do_IRQ	!  50 0x840
 	.long	do_IRQ	!  51 0x860
 	.long	do_IRQ	!  52 0x880
@@ -379,5 +388,168 @@ ENTRY(interrupt_table)
 	.long	exception_error			! 141 0x13a0
 	.long	exception_error			! 142 0x13c0
 	.long	exception_error			! 143 0x13e0
+#elif defined(CONFIG_CPU_SUBTYPE_SH7770)
+	.long	do_IRQ	!  50 0x840
+	.long	do_IRQ	!  51 0x860
+	.long	do_IRQ	!  52 0x880
+	.long	do_IRQ	!  53 0x8a0
+	.long	do_IRQ	!  54 0x8c0
+	.long	do_IRQ	!  55 0x8e0
+	.long	do_IRQ	!  56 0x900
+	.long	do_IRQ	!  57 0x920
+	.long	do_IRQ	!  58 0x940
+	.long	do_IRQ	!  59 0x960
+	.long	do_IRQ	!  60 0x980
+	.long	do_IRQ	!  61 0x9a0
+	.long	do_IRQ	!  62 0x9c0
+	.long	do_IRQ	!  63 0x9e0
+	.long	do_IRQ	!  64 0xa00
+	.long	do_IRQ	!  65 0xa20
+	.long	do_IRQ	!  66 0xa4d
+	.long	do_IRQ	!  67 0xa60
+	.long	do_IRQ	!  68 0xa80
+	.long	do_IRQ	!  69 0xaa0
+	.long	do_IRQ	!  70 0xac0
+	.long	do_IRQ	!  71 0xae0
+	.long	do_IRQ	!  72 0xb00
+	.long	do_IRQ	!  73 0xb20
+	.long	do_IRQ	!  74 0xb40
+	.long	do_IRQ	!  75 0xb60
+	.long	do_IRQ	!  76 0xb80
+	.long	do_IRQ	!  77 0xba0
+	.long	do_IRQ	!  78 0xbc0
+	.long	do_IRQ	!  79 0xbe0
+	.long	do_IRQ	!  80 0xc00
+	.long	do_IRQ	!  81 0xc20
+	.long	do_IRQ	!  82 0xc40
+	.long	do_IRQ	!  83 0xc60
+	.long	do_IRQ	!  84 0xc80
+	.long	do_IRQ	!  85 0xca0
+	.long	do_IRQ	!  86 0xcc0
+	.long	do_IRQ	!  87 0xce0
+	.long	do_IRQ	!  88 0xd00
+	.long	do_IRQ	!  89 0xd20
+	.long	do_IRQ	!  90 0xd40
+	.long	do_IRQ	!  91 0xd60
+	.long	do_IRQ	!  92 0xd80
+	.long	do_IRQ	!  93 0xda0
+	.long	do_IRQ	!  94 0xdc0
+	.long	do_IRQ	!  95 0xde0
+	.long	do_IRQ	!  96 0xe00
+	.long	do_IRQ	!  97 0xe20
+	.long	do_IRQ	!  98 0xe40
+	.long	do_IRQ	!  99 0xe60
+	.long	do_IRQ	! 100 0xe80
+	.long	do_IRQ	! 101 0xea0
+	.long	do_IRQ	! 102 0xec0
+	.long	do_IRQ	! 103 0xee0
+	.long	do_IRQ	! 104 0xf00
+	.long	do_IRQ	! 105 0xf20
+	.long	do_IRQ	! 106 0xf40
+	.long	do_IRQ	! 107 0xf60
+	.long	do_IRQ	! 108 0xf80
+#endif
+#else
+	.long	exception_error		/* 400 */
+	.long	exception_error
+	.long	exception_error
+	.long	exception_error
+	.long	do_IRQ	! RTC	ati
+	.long	do_IRQ	!	pri
+	.long	do_IRQ	!	cui
+	.long	exception_error
+	.long	exception_error		/* 500 */
+	.long	exception_error
+	.long	exception_error
+	.long	do_IRQ	! WDT	iti	/* 560 */
+	.long	do_IRQ	! TMU-ch0
+	.long	do_IRQ	! TMU-ch1
+	.long	do_IRQ	! TMU-ch2
+	.long	do_IRQ	! ticpi2	/* 5E0 */
+	.long	do_IRQ	! 32 Hitachi UDI	/* 600 */
+	.long	exception_error
+	.long	do_IRQ	! 34 DMAC dmte0
+	.long	do_IRQ	! 35	  dmte1
+	.long	do_IRQ	! 36	  dmte2
+	.long	do_IRQ	! 37	  dmte3
+	.long	do_IRQ	! 38	  dmae
+	.long	exception_error			! 39	/* 6E0 */
+	.long	do_IRQ	! 40 SCIF-ch0 eri		/* 700 */
+	.long	do_IRQ	! 41	      rxi
+	.long	do_IRQ	! 42	      bri
+	.long	do_IRQ	! 43	      txi
+	.long	do_IRQ	! 44 DMAC dmte4		/* 780 */
+	.long	do_IRQ	! 45	  dmte5
+	.long	do_IRQ	! 46	  dmte6
+	.long	do_IRQ	! 47	  dmte7		/* 7E0 */
+#if defined(CONFIG_SH_FPU)
+	.long	do_fpu_state_restore	! 48	/* 800 */
+	.long	do_fpu_state_restore	! 49	/* 820 */
+#else
+	.long	exception_error
+	.long	exception_error
+#endif
+	.long	exception_error			/* 840 */
+	.long	exception_error
+	.long	exception_error
+	.long	exception_error
+	.long	exception_error
+	.long	exception_error
+	.long	do_IRQ	! 56 CMT	/* 900 */
+	.long	exception_error
+	.long	exception_error
+	.long	exception_error
+	.long	do_IRQ	! 60 HAC
+	.long	exception_error
+	.long	exception_error
+	.long	exception_error
+	.long	do_IRQ	! PCI serr	/* A00 */
+	.long	do_IRQ	!     INTA
+	.long	do_IRQ	!     INTB
+	.long	do_IRQ	!     INTC
+	.long	do_IRQ	!     INTD
+	.long	do_IRQ	!     err
+	.long	do_IRQ	!     pwd3
+	.long	do_IRQ	!     pwd2
+	.long	do_IRQ	!     pwd1	/* B00 */
+	.long	do_IRQ	!     pwd0
+	.long	exception_error
+	.long	exception_error
+	.long	do_IRQ	! SCIF-ch1 eri	/* B80 */
+	.long	do_IRQ	!	   rxi
+	.long	do_IRQ	!	   bri
+	.long	do_IRQ	!	   txi
+	.long	do_IRQ	! SIOF		/* C00 */
+	.long	exception_error
+	.long	exception_error
+	.long	exception_error
+	.long	do_IRQ	! HSPI		/* C80 */
+	.long	exception_error
+	.long	exception_error
+	.long	exception_error
+	.long	do_IRQ	! MMCIF	fatat	/* D00 */
+	.long	do_IRQ	!	tran
+	.long	do_IRQ	!	err
+	.long	do_IRQ	!	frdy
+	.long	do_IRQ	! DMAC dmint8	/* D80 */
+	.long	do_IRQ	!      dmint9
+	.long	do_IRQ	!      dmint10
+	.long	do_IRQ	!      dmint11
+	.long	do_IRQ	! TMU-ch3	/* E00 */
+	.long	do_IRQ	! TMU-ch4
+	.long	do_IRQ	! TMU-ch5
+	.long	exception_error
+	.long	do_IRQ	! SSI
+	.long	exception_error
+	.long	exception_error
+	.long	exception_error
+	.long	do_IRQ	! FLCTL	flste	/* F00 */
+	.long	do_IRQ	!	fltend
+	.long	do_IRQ	!	fltrq0
+	.long	do_IRQ	!	fltrq1
+	.long	do_IRQ	! GPIO gpioi0	/* F80 */
+	.long	do_IRQ	!      gpioi1
+	.long	do_IRQ	!      gpioi2
+	.long	do_IRQ	!      gpioi3
 #endif
 
diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c
index 42427b79697b..c294de1e14a3 100644
--- a/arch/sh/kernel/cpu/sh4/probe.c
+++ b/arch/sh/kernel/cpu/sh4/probe.c
@@ -3,7 +3,7 @@
  *
  * CPU Subtype Probing for SH-4.
  *
- * Copyright (C) 2001, 2002, 2003, 2004  Paul Mundt
+ * Copyright (C) 2001 - 2006  Paul Mundt
  * Copyright (C) 2003  Richard Curnow
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -29,7 +29,7 @@ int __init detect_cpu_and_cache_system(void)
 		[9] = (1 << 16)
 	};
 
-	pvr = (ctrl_inl(CCN_PVR) >> 8) & 0xffff;
+	pvr = (ctrl_inl(CCN_PVR) >> 8) & 0xffffff;
 	prr = (ctrl_inl(CCN_PRR) >> 4) & 0xff;
 	cvr = (ctrl_inl(CCN_CVR));
 
@@ -38,7 +38,6 @@ int __init detect_cpu_and_cache_system(void)
 	 */
 	cpu_data->icache.way_incr	= (1 << 13);
 	cpu_data->icache.entry_shift	= 5;
-	cpu_data->icache.entry_mask	= 0x1fe0;
 	cpu_data->icache.sets		= 256;
 	cpu_data->icache.ways		= 1;
 	cpu_data->icache.linesz		= L1_CACHE_BYTES;
@@ -48,13 +47,29 @@ int __init detect_cpu_and_cache_system(void)
 	 */
 	cpu_data->dcache.way_incr	= (1 << 14);
 	cpu_data->dcache.entry_shift	= 5;
-	cpu_data->dcache.entry_mask	= 0x3fe0;
 	cpu_data->dcache.sets		= 512;
 	cpu_data->dcache.ways		= 1;
 	cpu_data->dcache.linesz		= L1_CACHE_BYTES;
 
-	/* Set the FPU flag, virtually all SH-4's have one */
-	cpu_data->flags |= CPU_HAS_FPU;
+	/*
+	 * Setup some generic flags we can probe
+	 * (L2 and DSP detection only work on SH-4A)
+	 */
+	if (((pvr >> 16) & 0xff) == 0x10) {
+		if ((cvr & 0x02000000) == 0)
+			cpu_data->flags |= CPU_HAS_L2_CACHE;
+		if ((cvr & 0x10000000) == 0)
+			cpu_data->flags |= CPU_HAS_DSP;
+
+		cpu_data->flags |= CPU_HAS_LLSC;
+	}
+
+	/* FPU detection works for everyone */
+	if ((cvr & 0x20000000) == 1)
+		cpu_data->flags |= CPU_HAS_FPU;
+
+	/* Mask off the upper chip ID */
+	pvr &= 0xffff;
 
 	/*
 	 * Probe the underlying processor version/revision and
@@ -63,56 +78,101 @@ int __init detect_cpu_and_cache_system(void)
 	switch (pvr) {
 	case 0x205:
 		cpu_data->type = CPU_SH7750;
-		cpu_data->flags |= CPU_HAS_P2_FLUSH_BUG | CPU_HAS_PERF_COUNTER;
+		cpu_data->flags |= CPU_HAS_P2_FLUSH_BUG | CPU_HAS_FPU |
+				   CPU_HAS_PERF_COUNTER | CPU_HAS_PTEA;
 		break;
 	case 0x206:
 		cpu_data->type = CPU_SH7750S;
-		cpu_data->flags |= CPU_HAS_P2_FLUSH_BUG | CPU_HAS_PERF_COUNTER;
+		cpu_data->flags |= CPU_HAS_P2_FLUSH_BUG | CPU_HAS_FPU |
+				   CPU_HAS_PERF_COUNTER | CPU_HAS_PTEA;
 		break;
 	case 0x1100:
 		cpu_data->type = CPU_SH7751;
+		cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
 		break;
 	case 0x2000:
 		cpu_data->type = CPU_SH73180;
 		cpu_data->icache.ways = 4;
 		cpu_data->dcache.ways = 4;
-		cpu_data->flags &= ~CPU_HAS_FPU;
+		cpu_data->flags |= CPU_HAS_LLSC;
+		break;
+	case 0x2001:
+	case 0x2004:
+		cpu_data->type = CPU_SH7770;
+		cpu_data->icache.ways = 4;
+		cpu_data->dcache.ways = 4;
+
+		cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_LLSC;
+		break;
+	case 0x2006:
+	case 0x200A:
+		if (prr == 0x61)
+			cpu_data->type = CPU_SH7781;
+		else
+			cpu_data->type = CPU_SH7780;
+
+		cpu_data->icache.ways = 4;
+		cpu_data->dcache.ways = 4;
+
+		cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
+				   CPU_HAS_LLSC;
+		break;
+	case 0x3000:
+	case 0x3003:
+		cpu_data->type = CPU_SH7343;
+		cpu_data->icache.ways = 4;
+		cpu_data->dcache.ways = 4;
+		cpu_data->flags |= CPU_HAS_LLSC;
 		break;
 	case 0x8000:
 		cpu_data->type = CPU_ST40RA;
+		cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
 		break;
 	case 0x8100:
 		cpu_data->type = CPU_ST40GX1;
+		cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
 		break;
 	case 0x700:
 		cpu_data->type = CPU_SH4_501;
 		cpu_data->icache.ways = 2;
 		cpu_data->dcache.ways = 2;
-
-		/* No FPU on the SH4-500 series.. */
-		cpu_data->flags &= ~CPU_HAS_FPU;
+		cpu_data->flags |= CPU_HAS_PTEA;
 		break;
 	case 0x600:
 		cpu_data->type = CPU_SH4_202;
 		cpu_data->icache.ways = 2;
 		cpu_data->dcache.ways = 2;
+		cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
 		break;
 	case 0x500 ... 0x501:
 		switch (prr) {
-		    case 0x10: cpu_data->type = CPU_SH7750R; break;
-		    case 0x11: cpu_data->type = CPU_SH7751R; break;
-		    case 0x50: cpu_data->type = CPU_SH7760;  break;
+		case 0x10:
+			cpu_data->type = CPU_SH7750R;
+			break;
+		case 0x11:
+			cpu_data->type = CPU_SH7751R;
+			break;
+		case 0x50 ... 0x5f:
+			cpu_data->type = CPU_SH7760;
+			break;
 		}
 
 		cpu_data->icache.ways = 2;
 		cpu_data->dcache.ways = 2;
 
+		cpu_data->flags |= CPU_HAS_FPU | CPU_HAS_PTEA;
+
 		break;
 	default:
 		cpu_data->type = CPU_SH_NONE;
 		break;
 	}
 
+#ifdef CONFIG_SH_DIRECT_MAPPED
+	cpu_data->icache.ways = 1;
+	cpu_data->dcache.ways = 1;
+#endif
+
 	/*
 	 * On anything that's not a direct-mapped cache, look to the CVR
 	 * for I/D-cache specifics.
@@ -121,18 +181,56 @@ int __init detect_cpu_and_cache_system(void)
 		size = sizes[(cvr >> 20) & 0xf];
 		cpu_data->icache.way_incr	= (size >> 1);
 		cpu_data->icache.sets		= (size >> 6);
-		cpu_data->icache.entry_mask	=
-			(cpu_data->icache.way_incr - (1 << 5));
+
 	}
 
+	/* Setup the rest of the I-cache info */
+	cpu_data->icache.entry_mask = cpu_data->icache.way_incr -
+				      cpu_data->icache.linesz;
+
+	cpu_data->icache.way_size = cpu_data->icache.sets *
+				    cpu_data->icache.linesz;
+
+	/* And the rest of the D-cache */
 	if (cpu_data->dcache.ways > 1) {
 		size = sizes[(cvr >> 16) & 0xf];
 		cpu_data->dcache.way_incr	= (size >> 1);
 		cpu_data->dcache.sets		= (size >> 6);
-		cpu_data->dcache.entry_mask	=
-			(cpu_data->dcache.way_incr - (1 << 5));
+	}
+
+	cpu_data->dcache.entry_mask = cpu_data->dcache.way_incr -
+				      cpu_data->dcache.linesz;
+
+	cpu_data->dcache.way_size = cpu_data->dcache.sets *
+				    cpu_data->dcache.linesz;
+
+	/*
+	 * Setup the L2 cache desc
+	 *
+	 * SH-4A's have an optional PIPT L2.
+	 */
+	if (cpu_data->flags & CPU_HAS_L2_CACHE) {
+		/*
+		 * Size calculation is much more sensible
+		 * than it is for the L1.
+		 *
+		 * Sizes are 128KB, 258KB, 512KB, and 1MB.
+		 */
+		size = (cvr & 0xf) << 17;
+
+		BUG_ON(!size);
+
+		cpu_data->scache.way_incr	= (1 << 16);
+		cpu_data->scache.entry_shift	= 5;
+		cpu_data->scache.ways		= 4;
+		cpu_data->scache.linesz		= L1_CACHE_BYTES;
+		cpu_data->scache.entry_mask	=
+			(cpu_data->scache.way_incr - cpu_data->scache.linesz);
+		cpu_data->scache.sets		= size /
+			(cpu_data->scache.linesz * cpu_data->scache.ways);
+		cpu_data->scache.way_size	=
+			(cpu_data->scache.sets * cpu_data->scache.linesz);
 	}
 
 	return 0;
 }
-
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh4-202.c b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
new file mode 100644
index 000000000000..6e4e96541358
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4/setup-sh4-202.c
@@ -0,0 +1,43 @@
+/*
+ * SH4-202 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xffe80000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 40, 41, 43, 42 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh4202_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh4202_devices_setup(void)
+{
+	return platform_add_devices(sh4202_devices,
+				    ARRAY_SIZE(sh4202_devices));
+}
+__initcall(sh4202_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh73180.c b/arch/sh/kernel/cpu/sh4/setup-sh73180.c
new file mode 100644
index 000000000000..cc9ea1e2e5df
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4/setup-sh73180.c
@@ -0,0 +1,43 @@
+/*
+ * SH73180 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xffe80000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 80, 81, 83, 82 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh73180_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh73180_devices_setup(void)
+{
+	return platform_add_devices(sh73180_devices,
+				    ARRAY_SIZE(sh73180_devices));
+}
+__initcall(sh73180_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7343.c b/arch/sh/kernel/cpu/sh4/setup-sh7343.c
new file mode 100644
index 000000000000..91d61cf91ba1
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7343.c
@@ -0,0 +1,43 @@
+/*
+ * SH7343 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xffe00000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 80, 81, 83, 82 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7343_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7343_devices_setup(void)
+{
+	return platform_add_devices(sh7343_devices,
+				    ARRAY_SIZE(sh7343_devices));
+}
+__initcall(sh7343_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
new file mode 100644
index 000000000000..50812d57c1c1
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c
@@ -0,0 +1,48 @@
+/*
+ * SH7750/SH7751 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xffe00000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCI,
+		.irqs		= { 23, 24, 25, 0 },
+	}, {
+		.mapbase	= 0xffe80000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 40, 41, 43, 42 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7750_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7750_devices_setup(void)
+{
+	return platform_add_devices(sh7750_devices,
+				    ARRAY_SIZE(sh7750_devices));
+}
+__initcall(sh7750_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
new file mode 100644
index 000000000000..97f1c9af35d6
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
@@ -0,0 +1,53 @@
+/*
+ * SH7760 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xfe600000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 52, 53, 55, 54 },
+	}, {
+		.mapbase	= 0xfe610000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 72, 73, 75, 74 },
+	}, {
+		.mapbase	= 0xfe620000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 76, 77, 79, 78 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7760_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7760_devices_setup(void)
+{
+	return platform_add_devices(sh7760_devices,
+				    ARRAY_SIZE(sh7760_devices));
+}
+__initcall(sh7760_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7770.c b/arch/sh/kernel/cpu/sh4/setup-sh7770.c
new file mode 100644
index 000000000000..6a04cc5f5aca
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7770.c
@@ -0,0 +1,53 @@
+/*
+ * SH7770 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xff923000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 61, 61, 61, 61 },
+	}, {
+		.mapbase	= 0xff924000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 62, 62, 62, 62 },
+	}, {
+		.mapbase	= 0xff925000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 63, 63, 63, 63 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7770_devices[] __initdata = {
+	&sci_device,
+};
+
+static int __init sh7770_devices_setup(void)
+{
+	return platform_add_devices(sh7770_devices,
+				    ARRAY_SIZE(sh7770_devices));
+}
+__initcall(sh7770_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7780.c b/arch/sh/kernel/cpu/sh4/setup-sh7780.c
new file mode 100644
index 000000000000..72493f259edc
--- /dev/null
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7780.c
@@ -0,0 +1,79 @@
+/*
+ * SH7780 Setup
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial.h>
+#include <asm/sci.h>
+
+static struct resource rtc_resources[] = {
+	[0] = {
+		.start	= 0xffe80000,
+		.end	= 0xffe80000 + 0x58 - 1,
+		.flags	= IORESOURCE_IO,
+	},
+	[1] = {
+		/* Period IRQ */
+		.start	= 21,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		/* Carry IRQ */
+		.start	= 22,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[3] = {
+		/* Alarm IRQ */
+		.start	= 23,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device rtc_device = {
+	.name		= "sh-rtc",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(rtc_resources),
+	.resource	= rtc_resources,
+};
+
+static struct plat_sci_port sci_platform_data[] = {
+	{
+		.mapbase	= 0xffe00000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 40, 41, 43, 42 },
+	}, {
+		.mapbase	= 0xffe10000,
+		.flags		= UPF_BOOT_AUTOCONF,
+		.type		= PORT_SCIF,
+		.irqs		= { 76, 77, 79, 78 },
+	}, {
+		.flags = 0,
+	}
+};
+
+static struct platform_device sci_device = {
+	.name		= "sh-sci",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= sci_platform_data,
+	},
+};
+
+static struct platform_device *sh7780_devices[] __initdata = {
+	&rtc_device,
+	&sci_device,
+};
+
+static int __init sh7780_devices_setup(void)
+{
+	return platform_add_devices(sh7780_devices,
+				    ARRAY_SIZE(sh7780_devices));
+}
+__initcall(sh7780_devices_setup);
diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c
index b09805f3ee23..7bcc73f9b8df 100644
--- a/arch/sh/kernel/cpu/sh4/sq.c
+++ b/arch/sh/kernel/cpu/sh4/sq.c
@@ -1,49 +1,52 @@
 /*
- * arch/sh/kernel/cpu/sq.c
+ * arch/sh/kernel/cpu/sh4/sq.c
  *
  * General management API for SH-4 integrated Store Queues
  *
- * Copyright (C) 2001, 2002, 2003, 2004  Paul Mundt
+ * Copyright (C) 2001 - 2006  Paul Mundt
  * Copyright (C) 2001, 2002  M. R. Brown
  *
- * Some of this code has been adopted directly from the old arch/sh/mm/sq.c
- * hack that was part of the LinuxDC project. For all intents and purposes,
- * this is a completely new interface that really doesn't have much in common
- * with the old zone-based approach at all. In fact, it's only listed here for
- * general completeness.
- *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
 #include <linux/init.h>
+#include <linux/cpu.h>
+#include <linux/bitmap.h>
+#include <linux/sysdev.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <linux/list.h>
-#include <linux/proc_fs.h>
-#include <linux/miscdevice.h>
 #include <linux/vmalloc.h>
-
+#include <linux/mm.h>
 #include <asm/io.h>
 #include <asm/page.h>
-#include <asm/mmu_context.h>
+#include <asm/cacheflush.h>
 #include <asm/cpu/sq.h>
 
-static LIST_HEAD(sq_mapping_list);
+struct sq_mapping;
+
+struct sq_mapping {
+	const char *name;
+
+	unsigned long sq_addr;
+	unsigned long addr;
+	unsigned int size;
+
+	struct sq_mapping *next;
+};
+
+static struct sq_mapping *sq_mapping_list;
 static DEFINE_SPINLOCK(sq_mapping_lock);
+static kmem_cache_t *sq_cache;
+static unsigned long *sq_bitmap;
 
-/**
- * sq_flush - Flush (prefetch) the store queue cache
- * @addr: the store queue address to flush
- *
- * Executes a prefetch instruction on the specified store queue cache,
- * so that the cached data is written to physical memory.
- */
-inline void sq_flush(void *addr)
-{
-	__asm__ __volatile__ ("pref @%0" : : "r" (addr) : "memory");
-}
+#define store_queue_barrier()			\
+do {						\
+	(void)ctrl_inl(P4SEG_STORE_QUE);	\
+	ctrl_outl(0, P4SEG_STORE_QUE + 0);	\
+	ctrl_outl(0, P4SEG_STORE_QUE + 8);	\
+} while (0);
 
 /**
  * sq_flush_range - Flush (prefetch) a specific SQ range
@@ -56,152 +59,73 @@ inline void sq_flush(void *addr)
 void sq_flush_range(unsigned long start, unsigned int len)
 {
 	volatile unsigned long *sq = (unsigned long *)start;
-	unsigned long dummy;
 
 	/* Flush the queues */
 	for (len >>= 5; len--; sq += 8)
-		sq_flush((void *)sq);
+		prefetchw((void *)sq);
 
 	/* Wait for completion */
-	dummy = ctrl_inl(P4SEG_STORE_QUE);
-
-	ctrl_outl(0, P4SEG_STORE_QUE + 0);
-	ctrl_outl(0, P4SEG_STORE_QUE + 8);
+	store_queue_barrier();
 }
 
-static struct sq_mapping *__sq_alloc_mapping(unsigned long virt, unsigned long phys, unsigned long size, const char *name)
+static inline void sq_mapping_list_add(struct sq_mapping *map)
 {
-	struct sq_mapping *map;
-
-	if (virt + size > SQ_ADDRMAX)
-		return ERR_PTR(-ENOSPC);
-
-	map = kmalloc(sizeof(struct sq_mapping), GFP_KERNEL);
-	if (!map)
-		return ERR_PTR(-ENOMEM);
+	struct sq_mapping **p, *tmp;
 
-	INIT_LIST_HEAD(&map->list);
+	spin_lock_irq(&sq_mapping_lock);
 
-	map->sq_addr	= virt;
-	map->addr	= phys;
-	map->size	= size + 1;
-	map->name	= name;
+	p = &sq_mapping_list;
+	while ((tmp = *p) != NULL)
+		p = &tmp->next;
 
-	list_add(&map->list, &sq_mapping_list);
+	map->next = tmp;
+	*p = map;
 
-	return map;
+	spin_unlock_irq(&sq_mapping_lock);
 }
 
-static unsigned long __sq_get_next_addr(void)
+static inline void sq_mapping_list_del(struct sq_mapping *map)
 {
-	if (!list_empty(&sq_mapping_list)) {
-		struct list_head *pos, *tmp;
-
-		/*
-		 * Read one off the list head, as it will have the highest
-		 * mapped allocation. Set the next one up right above it.
-		 *
-		 * This is somewhat sub-optimal, as we don't look at
-		 * gaps between allocations or anything lower then the
-		 * highest-level allocation.
-		 *
-		 * However, in the interest of performance and the general
-		 * lack of desire to do constant list rebalancing, we don't
-		 * worry about it.
-		 */
-		list_for_each_safe(pos, tmp, &sq_mapping_list) {
-			struct sq_mapping *entry;
-
-			entry = list_entry(pos, typeof(*entry), list);
-
-			return entry->sq_addr + entry->size;
+	struct sq_mapping **p, *tmp;
+
+	spin_lock_irq(&sq_mapping_lock);
+
+	for (p = &sq_mapping_list; (tmp = *p); p = &tmp->next)
+		if (tmp == map) {
+			*p = tmp->next;
+			break;
 		}
-	}
 
-	return P4SEG_STORE_QUE;
+	spin_unlock_irq(&sq_mapping_lock);
 }
 
-/**
- * __sq_remap - Perform a translation from the SQ to a phys addr
- * @map: sq mapping containing phys and store queue addresses.
- *
- * Maps the store queue address specified in the mapping to the physical
- * address specified in the mapping.
- */
-static struct sq_mapping *__sq_remap(struct sq_mapping *map)
+static int __sq_remap(struct sq_mapping *map, unsigned long flags)
 {
-	unsigned long flags, pteh, ptel;
+#if defined(CONFIG_MMU)
 	struct vm_struct *vma;
-	pgprot_t pgprot;
-
-	/*
-	 * Without an MMU (or with it turned off), this is much more
-	 * straightforward, as we can just load up each queue's QACR with
-	 * the physical address appropriately masked.
-	 */
-
-	ctrl_outl(((map->addr >> 26) << 2) & 0x1c, SQ_QACR0);
-	ctrl_outl(((map->addr >> 26) << 2) & 0x1c, SQ_QACR1);
 
-#ifdef CONFIG_MMU
-	/*
-	 * With an MMU on the other hand, things are slightly more involved.
-	 * Namely, we have to have a direct mapping between the SQ addr and
-	 * the associated physical address in the UTLB by way of setting up
-	 * a virt<->phys translation by hand. We do this by simply specifying
-	 * the SQ addr in UTLB.VPN and the associated physical address in
-	 * UTLB.PPN.
-	 *
-	 * Notably, even though this is a special case translation, and some
-	 * of the configuration bits are meaningless, we're still required
-	 * to have a valid ASID context in PTEH.
-	 *
-	 * We could also probably get by without explicitly setting PTEA, but
-	 * we do it here just for good measure.
-	 */
-	spin_lock_irqsave(&sq_mapping_lock, flags);
-
-	pteh = map->sq_addr;
-	ctrl_outl((pteh & MMU_VPN_MASK) | get_asid(), MMU_PTEH);
-
-	ptel = map->addr & PAGE_MASK;
-	ctrl_outl(((ptel >> 28) & 0xe) | (ptel & 0x1), MMU_PTEA);
-
-	pgprot = pgprot_noncached(PAGE_KERNEL);
-
-	ptel &= _PAGE_FLAGS_HARDWARE_MASK;
-	ptel |= pgprot_val(pgprot);
-	ctrl_outl(ptel, MMU_PTEL);
-
-	__asm__ __volatile__ ("ldtlb" : : : "memory");
-
-	spin_unlock_irqrestore(&sq_mapping_lock, flags);
-
-	/*
-	 * Next, we need to map ourselves in the kernel page table, so that
-	 * future accesses after a TLB flush will be handled when we take a
-	 * page fault.
-	 *
-	 * Theoretically we could just do this directly and not worry about
-	 * setting up the translation by hand ahead of time, but for the
-	 * cases where we want a one-shot SQ mapping followed by a quick
-	 * writeout before we hit the TLB flush, we do it anyways. This way
-	 * we at least save ourselves the initial page fault overhead.
-	 */
 	vma = __get_vm_area(map->size, VM_ALLOC, map->sq_addr, SQ_ADDRMAX);
 	if (!vma)
-		return ERR_PTR(-ENOMEM);
+		return -ENOMEM;
 
 	vma->phys_addr = map->addr;
 
 	if (remap_area_pages((unsigned long)vma->addr, vma->phys_addr,
-			     map->size, pgprot_val(pgprot))) {
+			     map->size, flags)) {
 		vunmap(vma->addr);
-		return NULL;
+		return -EAGAIN;
 	}
-#endif /* CONFIG_MMU */
+#else
+	/*
+	 * Without an MMU (or with it turned off), this is much more
+	 * straightforward, as we can just load up each queue's QACR with
+	 * the physical address appropriately masked.
+	 */
+	ctrl_outl(((map->addr >> 26) << 2) & 0x1c, SQ_QACR0);
+	ctrl_outl(((map->addr >> 26) << 2) & 0x1c, SQ_QACR1);
+#endif
 
-	return map;
+	return 0;
 }
 
 /**
@@ -209,42 +133,65 @@ static struct sq_mapping *__sq_remap(struct sq_mapping *map)
  * @phys: Physical address of mapping.
  * @size: Length of mapping.
  * @name: User invoking mapping.
+ * @flags: Protection flags.
  *
  * Remaps the physical address @phys through the next available store queue
  * address of @size length. @name is logged at boot time as well as through
- * the procfs interface.
- *
- * A pre-allocated and filled sq_mapping pointer is returned, and must be
- * cleaned up with a call to sq_unmap() when the user is done with the
- * mapping.
+ * the sysfs interface.
  */
-struct sq_mapping *sq_remap(unsigned long phys, unsigned int size, const char *name)
+unsigned long sq_remap(unsigned long phys, unsigned int size,
+		       const char *name, unsigned long flags)
 {
 	struct sq_mapping *map;
-	unsigned long virt, end;
+	unsigned long end;
 	unsigned int psz;
+	int ret, page;
 
 	/* Don't allow wraparound or zero size */
 	end = phys + size - 1;
-	if (!size || end < phys)
-		return NULL;
+	if (unlikely(!size || end < phys))
+		return -EINVAL;
 	/* Don't allow anyone to remap normal memory.. */
-	if (phys < virt_to_phys(high_memory))
-		return NULL;
+	if (unlikely(phys < virt_to_phys(high_memory)))
+		return -EINVAL;
 
 	phys &= PAGE_MASK;
+	size = PAGE_ALIGN(end + 1) - phys;
+
+	map = kmem_cache_alloc(sq_cache, GFP_KERNEL);
+	if (unlikely(!map))
+		return -ENOMEM;
+
+	map->addr = phys;
+	map->size = size;
+	map->name = name;
+
+	page = bitmap_find_free_region(sq_bitmap, 0x04000000,
+				       get_order(map->size));
+	if (unlikely(page < 0)) {
+		ret = -ENOSPC;
+		goto out;
+	}
+
+	map->sq_addr = P4SEG_STORE_QUE + (page << PAGE_SHIFT);
+
+	ret = __sq_remap(map, flags);
+	if (unlikely(ret != 0))
+		goto out;
+
+	psz = (size + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
+	pr_info("sqremap: %15s  [%4d page%s]  va 0x%08lx   pa 0x%08lx\n",
+		likely(map->name) ? map->name : "???",
+		psz, psz == 1 ? " " : "s",
+		map->sq_addr, map->addr);
 
-	size  = PAGE_ALIGN(end + 1) - phys;
-	virt  = __sq_get_next_addr();
-	psz   = (size + (PAGE_SIZE - 1)) / PAGE_SIZE;
-	map   = __sq_alloc_mapping(virt, phys, size, name);
+	sq_mapping_list_add(map);
 
-	printk("sqremap: %15s  [%4d page%s]  va 0x%08lx   pa 0x%08lx\n",
-	       map->name ? map->name : "???",
-	       psz, psz == 1 ? " " : "s",
-	       map->sq_addr, map->addr);
+	return map->sq_addr;
 
-	return __sq_remap(map);
+out:
+	kmem_cache_free(sq_cache, map);
+	return ret;
 }
 
 /**
@@ -255,188 +202,198 @@ struct sq_mapping *sq_remap(unsigned long phys, unsigned int size, const char *n
  * sq_remap(). Also frees up the pte that was previously inserted into
  * the kernel page table and discards the UTLB translation.
  */
-void sq_unmap(struct sq_mapping *map)
+void sq_unmap(unsigned long vaddr)
 {
-	if (map->sq_addr > (unsigned long)high_memory)
-		vfree((void *)(map->sq_addr & PAGE_MASK));
+	struct sq_mapping **p, *map;
+	struct vm_struct *vma;
+	int page;
 
-	list_del(&map->list);
-	kfree(map);
-}
+	for (p = &sq_mapping_list; (map = *p); p = &map->next)
+		if (map->sq_addr == vaddr)
+			break;
 
-/**
- * sq_clear - Clear a store queue range
- * @addr: Address to start clearing from.
- * @len: Length to clear.
- *
- * A quick zero-fill implementation for clearing out memory that has been
- * remapped through the store queues.
- */
-void sq_clear(unsigned long addr, unsigned int len)
-{
-	int i;
+	if (unlikely(!map)) {
+		printk("%s: bad store queue address 0x%08lx\n",
+		       __FUNCTION__, vaddr);
+		return;
+	}
 
-	/* Clear out both queues linearly */
-	for (i = 0; i < 8; i++) {
-		ctrl_outl(0, addr + i + 0);
-		ctrl_outl(0, addr + i + 8);
+	page = (map->sq_addr - P4SEG_STORE_QUE) >> PAGE_SHIFT;
+	bitmap_release_region(sq_bitmap, page, get_order(map->size));
+
+#ifdef CONFIG_MMU
+	vma = remove_vm_area((void *)(map->sq_addr & PAGE_MASK));
+	if (!vma) {
+		printk(KERN_ERR "%s: bad address 0x%08lx\n",
+		       __FUNCTION__, map->sq_addr);
+		return;
 	}
+#endif
+
+	sq_mapping_list_del(map);
 
-	sq_flush_range(addr, len);
+	kmem_cache_free(sq_cache, map);
 }
 
-/**
- * sq_vma_unmap - Unmap a VMA range
- * @area: VMA containing range.
- * @addr: Start of range.
- * @len: Length of range.
+/*
+ * Needlessly complex sysfs interface. Unfortunately it doesn't seem like
+ * there is any other easy way to add things on a per-cpu basis without
+ * putting the directory entries somewhere stupid and having to create
+ * links in sysfs by hand back in to the per-cpu directories.
  *
- * Searches the sq_mapping_list for a mapping matching the sq addr @addr,
- * and subsequently frees up the entry. Further cleanup is done by generic
- * code.
+ * Some day we may want to have an additional abstraction per store
+ * queue, but considering the kobject hell we already have to deal with,
+ * it's simply not worth the trouble.
  */
-static void sq_vma_unmap(struct vm_area_struct *area,
-			 unsigned long addr, size_t len)
-{
-	struct list_head *pos, *tmp;
+static struct kobject *sq_kobject[NR_CPUS];
 
-	list_for_each_safe(pos, tmp, &sq_mapping_list) {
-		struct sq_mapping *entry;
+struct sq_sysfs_attr {
+	struct attribute attr;
+	ssize_t (*show)(char *buf);
+	ssize_t (*store)(const char *buf, size_t count);
+};
 
-		entry = list_entry(pos, typeof(*entry), list);
+#define to_sq_sysfs_attr(attr)	container_of(attr, struct sq_sysfs_attr, attr)
 
-		if (entry->sq_addr == addr) {
-			/*
-			 * We could probably get away without doing the tlb flush
-			 * here, as generic code should take care of most of this
-			 * when unmapping the rest of the VMA range for us. Leave
-			 * it in for added sanity for the time being..
-			 */
-			__flush_tlb_page(get_asid(), entry->sq_addr & PAGE_MASK);
+static ssize_t sq_sysfs_show(struct kobject *kobj, struct attribute *attr,
+			     char *buf)
+{
+	struct sq_sysfs_attr *sattr = to_sq_sysfs_attr(attr);
 
-			list_del(&entry->list);
-			kfree(entry);
+	if (likely(sattr->show))
+		return sattr->show(buf);
 
-			return;
-		}
-	}
+	return -EIO;
 }
 
-/**
- * sq_vma_sync - Sync a VMA range
- * @area: VMA containing range.
- * @start: Start of range.
- * @len: Length of range.
- * @flags: Additional flags.
- *
- * Synchronizes an sq mapped range by flushing the store queue cache for
- * the duration of the mapping.
- *
- * Used internally for user mappings, which must use msync() to prefetch
- * the store queue cache.
- */
-static int sq_vma_sync(struct vm_area_struct *area,
-		       unsigned long start, size_t len, unsigned int flags)
+static ssize_t sq_sysfs_store(struct kobject *kobj, struct attribute *attr,
+			      const char *buf, size_t count)
 {
-	sq_flush_range(start, len);
+	struct sq_sysfs_attr *sattr = to_sq_sysfs_attr(attr);
 
-	return 0;
+	if (likely(sattr->store))
+		return sattr->store(buf, count);
+
+	return -EIO;
 }
 
-static struct vm_operations_struct sq_vma_ops = {
-	.unmap	= sq_vma_unmap,
-	.sync	= sq_vma_sync,
-};
+static ssize_t mapping_show(char *buf)
+{
+	struct sq_mapping **list, *entry;
+	char *p = buf;
 
-/**
- * sq_mmap - mmap() for /dev/cpu/sq
- * @file: unused.
- * @vma: VMA to remap.
- *
- * Remap the specified vma @vma through the store queues, and setup associated
- * information for the new mapping. Also build up the page tables for the new
- * area.
- */
-static int sq_mmap(struct file *file, struct vm_area_struct *vma)
+	for (list = &sq_mapping_list; (entry = *list); list = &entry->next)
+		p += sprintf(p, "%08lx-%08lx [%08lx]: %s\n",
+			     entry->sq_addr, entry->sq_addr + entry->size,
+			     entry->addr, entry->name);
+
+	return p - buf;
+}
+
+static ssize_t mapping_store(const char *buf, size_t count)
 {
-	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
-	unsigned long size = vma->vm_end - vma->vm_start;
-	struct sq_mapping *map;
+	unsigned long base = 0, len = 0;
 
-	/*
-	 * We're not interested in any arbitrary virtual address that has
-	 * been stuck in the VMA, as we already know what addresses we
-	 * want. Save off the size, and reposition the VMA to begin at
-	 * the next available sq address.
-	 */
-	vma->vm_start = __sq_get_next_addr();
-	vma->vm_end   = vma->vm_start + size;
+	sscanf(buf, "%lx %lx", &base, &len);
+	if (!base)
+		return -EIO;
 
-	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+	if (likely(len)) {
+		int ret = sq_remap(base, len, "Userspace",
+				   pgprot_val(PAGE_SHARED));
+		if (ret < 0)
+			return ret;
+	} else
+		sq_unmap(base);
 
-	vma->vm_flags |= VM_IO | VM_RESERVED;
+	return count;
+}
 
-	map = __sq_alloc_mapping(vma->vm_start, offset, size, "Userspace");
+static struct sq_sysfs_attr mapping_attr =
+	__ATTR(mapping, 0644, mapping_show, mapping_store);
 
-	if (io_remap_pfn_range(vma, map->sq_addr, map->addr >> PAGE_SHIFT,
-				size, vma->vm_page_prot))
-		return -EAGAIN;
+static struct attribute *sq_sysfs_attrs[] = {
+	&mapping_attr.attr,
+	NULL,
+};
 
-	vma->vm_ops = &sq_vma_ops;
+static struct sysfs_ops sq_sysfs_ops = {
+	.show	= sq_sysfs_show,
+	.store	= sq_sysfs_store,
+};
 
-	return 0;
-}
+static struct kobj_type ktype_percpu_entry = {
+	.sysfs_ops	= &sq_sysfs_ops,
+	.default_attrs	= sq_sysfs_attrs,
+};
 
-#ifdef CONFIG_PROC_FS
-static int sq_mapping_read_proc(char *buf, char **start, off_t off,
-				int len, int *eof, void *data)
+static int __devinit sq_sysdev_add(struct sys_device *sysdev)
 {
-	struct list_head *pos;
-	char *p = buf;
+	unsigned int cpu = sysdev->id;
+	struct kobject *kobj;
 
-	list_for_each_prev(pos, &sq_mapping_list) {
-		struct sq_mapping *entry;
+	sq_kobject[cpu] = kzalloc(sizeof(struct kobject), GFP_KERNEL);
+	if (unlikely(!sq_kobject[cpu]))
+		return -ENOMEM;
 
-		entry = list_entry(pos, typeof(*entry), list);
+	kobj = sq_kobject[cpu];
+	kobj->parent = &sysdev->kobj;
+	kobject_set_name(kobj, "%s", "sq");
+	kobj->ktype = &ktype_percpu_entry;
 
-		p += sprintf(p, "%08lx-%08lx [%08lx]: %s\n", entry->sq_addr,
-			     entry->sq_addr + entry->size - 1, entry->addr,
-			     entry->name);
-	}
-
-	return p - buf;
+	return kobject_register(kobj);
 }
-#endif
 
-static struct file_operations sq_fops = {
-	.owner		= THIS_MODULE,
-	.mmap		= sq_mmap,
-};
+static int __devexit sq_sysdev_remove(struct sys_device *sysdev)
+{
+	unsigned int cpu = sysdev->id;
+	struct kobject *kobj = sq_kobject[cpu];
 
-static struct miscdevice sq_dev = {
-	.minor		= STORE_QUEUE_MINOR,
-	.name		= "sq",
-	.fops		= &sq_fops,
+	kobject_unregister(kobj);
+	return 0;
+}
+
+static struct sysdev_driver sq_sysdev_driver = {
+	.add		= sq_sysdev_add,
+	.remove		= __devexit_p(sq_sysdev_remove),
 };
 
 static int __init sq_api_init(void)
 {
-	int ret;
+	unsigned int nr_pages = 0x04000000 >> PAGE_SHIFT;
+	unsigned int size = (nr_pages + (BITS_PER_LONG - 1)) / BITS_PER_LONG;
+	int ret = -ENOMEM;
+
 	printk(KERN_NOTICE "sq: Registering store queue API.\n");
 
-	create_proc_read_entry("sq_mapping", 0, 0, sq_mapping_read_proc, 0);
+	sq_cache = kmem_cache_create("store_queue_cache",
+				sizeof(struct sq_mapping), 0, 0,
+				NULL, NULL);
+	if (unlikely(!sq_cache))
+		return ret;
 
-	ret = misc_register(&sq_dev);
-	if (ret)
-		remove_proc_entry("sq_mapping", NULL);
+	sq_bitmap = kzalloc(size, GFP_KERNEL);
+	if (unlikely(!sq_bitmap))
+		goto out;
+
+	ret = sysdev_driver_register(&cpu_sysdev_class, &sq_sysdev_driver);
+	if (unlikely(ret != 0))
+		goto out;
+
+	return 0;
+
+out:
+	kfree(sq_bitmap);
+	kmem_cache_destroy(sq_cache);
 
 	return ret;
 }
 
 static void __exit sq_api_exit(void)
 {
-	misc_deregister(&sq_dev);
-	remove_proc_entry("sq_mapping", NULL);
+	sysdev_driver_unregister(&cpu_sysdev_class, &sq_sysdev_driver);
+	kfree(sq_bitmap);
+	kmem_cache_destroy(sq_cache);
 }
 
 module_init(sq_api_init);
@@ -445,11 +402,7 @@ module_exit(sq_api_exit);
 MODULE_AUTHOR("Paul Mundt <lethal@linux-sh.org>, M. R. Brown <mrbrown@0xd6.org>");
 MODULE_DESCRIPTION("Simple API for SH-4 integrated Store Queues");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(STORE_QUEUE_MINOR);
 
 EXPORT_SYMBOL(sq_remap);
 EXPORT_SYMBOL(sq_unmap);
-EXPORT_SYMBOL(sq_clear);
-EXPORT_SYMBOL(sq_flush);
 EXPORT_SYMBOL(sq_flush_range);
-
diff --git a/arch/sh/kernel/early_printk.c b/arch/sh/kernel/early_printk.c
index 1378db375e17..a00022722e9e 100644
--- a/arch/sh/kernel/early_printk.c
+++ b/arch/sh/kernel/early_printk.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 1999, 2000  Niibe Yutaka
  *  Copyright (C) 2002  M. R. Brown
- *  Copyright (C) 2004  Paul Mundt
+ *  Copyright (C) 2004 - 2006  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -49,7 +49,7 @@ static int __init sh_console_setup(struct console *co, char *options)
 	return 0;
 }
 
-static struct console early_console = {
+static struct console bios_console = {
 	.name		= "bios",
 	.write		= sh_console_write,
 	.setup		= sh_console_setup,
@@ -59,34 +59,43 @@ static struct console early_console = {
 #endif
 
 #ifdef CONFIG_EARLY_SCIF_CONSOLE
+#include <linux/serial_core.h>
+#include "../../../drivers/serial/sh-sci.h"
+
+#ifdef CONFIG_CPU_SH4
 #define SCIF_REG	0xffe80000
+#elif defined(CONFIG_CPU_SUBTYPE_SH72060)
+#define SCIF_REG	0xfffe9800
+#else
+#error "Undefined SCIF for this subtype"
+#endif
+
+static struct uart_port scif_port = {
+	.mapbase	= SCIF_REG,
+	.membase	= (char __iomem *)SCIF_REG,
+};
 
 static void scif_sercon_putc(int c)
 {
-	while (!(ctrl_inw(SCIF_REG + 0x10) & 0x20)) ;
+	while (((sci_in(&scif_port, SCFDR) & 0x1f00 >> 8) == 16))
+		;
 
-	ctrl_outb(c, SCIF_REG + 12);
-	ctrl_outw((ctrl_inw(SCIF_REG + 0x10) & 0x9f), SCIF_REG + 0x10);
+	sci_out(&scif_port, SCxTDR, c);
+	sci_in(&scif_port, SCxSR);
+	sci_out(&scif_port, SCxSR, 0xf3 & ~(0x20 | 0x40));
+
+	while ((sci_in(&scif_port, SCxSR) & 0x40) == 0);
+		;
 
 	if (c == '\n')
 		scif_sercon_putc('\r');
 }
 
-static void scif_sercon_flush(void)
-{
-	ctrl_outw((ctrl_inw(SCIF_REG + 0x10) & 0xbf), SCIF_REG + 0x10);
-
-	while (!(ctrl_inw(SCIF_REG + 0x10) & 0x40)) ;
-
-	ctrl_outw((ctrl_inw(SCIF_REG + 0x10) & 0xbf), SCIF_REG + 0x10);
-}
-
-static void scif_sercon_write(struct console *con, const char *s, unsigned count)
+static void scif_sercon_write(struct console *con, const char *s,
+			      unsigned count)
 {
 	while (count-- > 0)
 		scif_sercon_putc(*s++);
-
-	scif_sercon_flush();
 }
 
 static int __init scif_sercon_setup(struct console *con, char *options)
@@ -96,7 +105,7 @@ static int __init scif_sercon_setup(struct console *con, char *options)
 	return 0;
 }
 
-static struct console early_console = {
+static struct console scif_console = {
 	.name		= "sercon",
 	.write		= scif_sercon_write,
 	.setup		= scif_sercon_setup,
@@ -104,7 +113,7 @@ static struct console early_console = {
 	.index		= -1,
 };
 
-void scif_sercon_init(int baud)
+static void scif_sercon_init(int baud)
 {
 	ctrl_outw(0, SCIF_REG + 8);
 	ctrl_outw(0, SCIF_REG);
@@ -122,16 +131,61 @@ void scif_sercon_init(int baud)
 }
 #endif
 
-void __init enable_early_printk(void)
+/*
+ * Setup a default console, if more than one is compiled in, rely on the
+ * earlyprintk= parsing to give priority.
+ */
+static struct console *early_console =
+#ifdef CONFIG_SH_STANDARD_BIOS
+	&bios_console
+#elif defined(CONFIG_EARLY_SCIF_CONSOLE)
+	&scif_console
+#else
+	NULL
+#endif
+	;
+
+static int __initdata keep_early;
+
+int __init setup_early_printk(char *opt)
 {
-#ifdef CONFIG_EARLY_SCIF_CONSOLE
-	scif_sercon_init(115200);
+	char *space;
+	char buf[256];
+
+	strlcpy(buf, opt, sizeof(buf));
+	space = strchr(buf, ' ');
+	if (space)
+		*space = 0;
+
+	if (strstr(buf, "keep"))
+		keep_early = 1;
+
+#ifdef CONFIG_SH_STANDARD_BIOS
+	if (!strncmp(buf, "bios", 4))
+		early_console = &bios_console;
+#endif
+#if defined(CONFIG_EARLY_SCIF_CONSOLE)
+	if (!strncmp(buf, "serial", 6)) {
+		early_console = &scif_console;
+
+#ifdef CONFIG_CPU_SH4
+		scif_sercon_init(115200);
+#endif
+	}
 #endif
-	register_console(&early_console);
+
+	if (likely(early_console))
+		register_console(early_console);
+
+	return 1;
 }
+__setup("earlyprintk=", setup_early_printk);
 
-void disable_early_printk(void)
+void __init disable_early_printk(void)
 {
-	unregister_console(&early_console);
+	if (!keep_early) {
+		printk("disabling early console\n");
+		unregister_console(early_console);
+	} else
+		printk("keeping early console\n");
 }
-
diff --git a/arch/sh/kernel/entry.S b/arch/sh/kernel/entry.S
index 7dfd2ba75f7f..fe8221855b28 100644
--- a/arch/sh/kernel/entry.S
+++ b/arch/sh/kernel/entry.S
@@ -18,24 +18,6 @@
 #include <asm/cpu/mmu_context.h>
 #include <asm/unistd.h>
 
-#if !defined(CONFIG_NFSD) && !defined(CONFIG_NFSD_MODULE)
-#define sys_nfsservctl		sys_ni_syscall
-#endif
-
-#if !defined(CONFIG_MMU)
-#define sys_madvise		sys_ni_syscall
-#define sys_readahead		sys_ni_syscall
-#define sys_mprotect		sys_ni_syscall
-#define sys_msync		sys_ni_syscall
-#define sys_mlock		sys_ni_syscall
-#define sys_munlock		sys_ni_syscall
-#define sys_mlockall		sys_ni_syscall
-#define sys_munlockall		sys_ni_syscall
-#define sys_mremap		sys_ni_syscall
-#define sys_mincore		sys_ni_syscall
-#define sys_remap_file_pages	sys_ni_syscall
-#endif
-
 ! NOTE:
 ! GNU as (as of 2.9.1) changes bf/s into bt/s and bra, when the address
 ! to be jumped is too far, but it causes illegal slot exception.
@@ -326,7 +308,7 @@ ENTRY(exception_error)
 	.align	2
 ret_from_exception:
 	preempt_stop()
-ret_from_irq:
+ENTRY(ret_from_irq)
 	!
 	mov	#OFF_SR, r0
 	mov.l	@(r0,r15), r0	! get status register
@@ -389,11 +371,12 @@ work_pending:
 	! r8: current_thread_info
 	! t:  result of "tst	#_TIF_NEED_RESCHED, r0"
 	bf/s	work_resched
-	 tst	#_TIF_SIGPENDING, r0
+	 tst	#(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), r0
 work_notifysig:
 	bt/s	restore_all
 	 mov	r15, r4
-	mov	#0, r5
+	mov	r12, r5		! set arg1(save_r0)
+	mov	r0, r6
 	mov.l	2f, r1
 	mova	restore_all, r0
 	jmp	@r1
@@ -431,7 +414,7 @@ work_resched:
 
 	.align	2
 1:	.long	schedule
-2:	.long	do_signal
+2:	.long	do_notify_resume
 
 	.align	2
 syscall_exit_work:
@@ -552,6 +535,7 @@ syscall_call:
 	mov.l	@r9, r8
 	jsr	@r8	    	! jump to specific syscall handler
 	 nop
+	mov.l	@(OFF_R0,r15), r12		! save r0
 	mov.l	r0, @(OFF_R0,r15)		! save the return value
 	!
 syscall_exit:
@@ -644,7 +628,7 @@ skip_restore:
 	!
 #if defined(CONFIG_KGDB_NMI)
 	! Clear in_nmi
-	mov.l	4f, k0
+	mov.l	6f, k0
 	mov	#0, k1
 	mov.b	k1, @k0
 #endif
@@ -722,7 +706,7 @@ interrupt:
 !
 !
 	.align	2
-handle_exception:
+ENTRY(handle_exception)
 	! Using k0, k1 for scratch registers (r0_bank1, r1_bank),
 	! save all registers onto stack.
 	!
@@ -732,8 +716,8 @@ handle_exception:
 	bt/s	1f		! It's a kernel to kernel transition.
 	 mov	r15, k0		! save original stack to k0
 	/* User space to kernel */
-	mov	#0x20, k1
-	shll8	k1		! k1 := 8192 (== THREAD_SIZE)
+	mov	#(THREAD_SIZE >> 8), k1
+	shll8	k1		! k1 := THREAD_SIZE
 	add	current, k1
 	mov	k1, r15		! change to kernel stack
 	!
@@ -838,300 +822,3 @@ ENTRY(exception_none)
 	rts
 	 nop
 
-	.data
-ENTRY(sys_call_table)
-	.long sys_ni_syscall	/* 0  -  old "setup()" system call*/
-	.long sys_exit
-	.long sys_fork
-	.long sys_read
-	.long sys_write
-	.long sys_open		/* 5 */
-	.long sys_close
-	.long sys_waitpid
-	.long sys_creat
-	.long sys_link
-	.long sys_unlink		/* 10 */
-	.long sys_execve
-	.long sys_chdir
-	.long sys_time
-	.long sys_mknod
-	.long sys_chmod		/* 15 */
-	.long sys_lchown16
-	.long sys_ni_syscall	/* old break syscall holder */
-	.long sys_stat
-	.long sys_lseek
-	.long sys_getpid		/* 20 */
-	.long sys_mount
-	.long sys_oldumount
-	.long sys_setuid16
-	.long sys_getuid16
-	.long sys_stime		/* 25 */
-	.long sys_ptrace
-	.long sys_alarm
-	.long sys_fstat
-	.long sys_pause
-	.long sys_utime		/* 30 */
-	.long sys_ni_syscall	/* old stty syscall holder */
-	.long sys_ni_syscall	/* old gtty syscall holder */
-	.long sys_access
-	.long sys_nice
-	.long sys_ni_syscall	/* 35 */		/* old ftime syscall holder */
-	.long sys_sync
-	.long sys_kill
-	.long sys_rename
-	.long sys_mkdir
-	.long sys_rmdir		/* 40 */
-	.long sys_dup
-	.long sys_pipe
-	.long sys_times
-	.long sys_ni_syscall	/* old prof syscall holder */
-	.long sys_brk		/* 45 */
-	.long sys_setgid16
-	.long sys_getgid16
-	.long sys_signal
-	.long sys_geteuid16
-	.long sys_getegid16	/* 50 */
-	.long sys_acct
-	.long sys_umount		/* recycled never used phys() */
-	.long sys_ni_syscall	/* old lock syscall holder */
-	.long sys_ioctl
-	.long sys_fcntl		/* 55 */
-	.long sys_ni_syscall	/* old mpx syscall holder */
-	.long sys_setpgid
-	.long sys_ni_syscall	/* old ulimit syscall holder */
-	.long sys_ni_syscall	/* sys_olduname */
-	.long sys_umask		/* 60 */
-	.long sys_chroot
-	.long sys_ustat
-	.long sys_dup2
-	.long sys_getppid
-	.long sys_getpgrp		/* 65 */
-	.long sys_setsid
-	.long sys_sigaction
-	.long sys_sgetmask
-	.long sys_ssetmask
-	.long sys_setreuid16	/* 70 */
-	.long sys_setregid16
-	.long sys_sigsuspend
-	.long sys_sigpending
-	.long sys_sethostname
-	.long sys_setrlimit	/* 75 */
-	.long sys_old_getrlimit
-	.long sys_getrusage
-	.long sys_gettimeofday
-	.long sys_settimeofday
-	.long sys_getgroups16	/* 80 */
-	.long sys_setgroups16
-	.long sys_ni_syscall	/* sys_oldselect */
-	.long sys_symlink
-	.long sys_lstat
-	.long sys_readlink		/* 85 */
-	.long sys_uselib
-	.long sys_swapon
-	.long sys_reboot
-	.long old_readdir
-	.long old_mmap		/* 90 */
-	.long sys_munmap
-	.long sys_truncate
-	.long sys_ftruncate
-	.long sys_fchmod
-	.long sys_fchown16		/* 95 */
-	.long sys_getpriority
-	.long sys_setpriority
-	.long sys_ni_syscall	/* old profil syscall holder */
-	.long sys_statfs
-	.long sys_fstatfs		/* 100 */
-	.long sys_ni_syscall	/* ioperm */
-	.long sys_socketcall
-	.long sys_syslog
-	.long sys_setitimer
-	.long sys_getitimer	/* 105 */
-	.long sys_newstat
-	.long sys_newlstat
-	.long sys_newfstat
-	.long sys_uname
-	.long sys_ni_syscall	/* 110 */ /* iopl */
-	.long sys_vhangup
-	.long sys_ni_syscall	/* idle */
-	.long sys_ni_syscall	/* vm86old */
-	.long sys_wait4
-	.long sys_swapoff		/* 115 */
-	.long sys_sysinfo
-	.long sys_ipc
-	.long sys_fsync
-	.long sys_sigreturn
-	.long sys_clone		/* 120 */
-	.long sys_setdomainname
-	.long sys_newuname
-	.long sys_ni_syscall	/* sys_modify_ldt */
-	.long sys_adjtimex
-	.long sys_mprotect		/* 125 */
-	.long sys_sigprocmask
-	.long sys_ni_syscall	/* old "create_module" */
-	.long sys_init_module
-	.long sys_delete_module
-	.long sys_ni_syscall	/* 130: old "get_kernel_syms" */
-	.long sys_quotactl
-	.long sys_getpgid
-	.long sys_fchdir
-	.long sys_bdflush
-	.long sys_sysfs		/* 135 */
-	.long sys_personality
-	.long sys_ni_syscall	/* for afs_syscall */
-	.long sys_setfsuid16
-	.long sys_setfsgid16
-	.long sys_llseek		/* 140 */
-	.long sys_getdents
-	.long sys_select
-	.long sys_flock
-	.long sys_msync
-	.long sys_readv		/* 145 */
-	.long sys_writev
-	.long sys_getsid
-	.long sys_fdatasync
-	.long sys_sysctl
-	.long sys_mlock		/* 150 */
-	.long sys_munlock
-	.long sys_mlockall
-	.long sys_munlockall
-	.long sys_sched_setparam
-	.long sys_sched_getparam   /* 155 */
-	.long sys_sched_setscheduler
-	.long sys_sched_getscheduler
-	.long sys_sched_yield
-	.long sys_sched_get_priority_max
-	.long sys_sched_get_priority_min  /* 160 */
-	.long sys_sched_rr_get_interval
-	.long sys_nanosleep
-	.long sys_mremap
-	.long sys_setresuid16
-	.long sys_getresuid16	/* 165 */
-	.long sys_ni_syscall	/* vm86 */
-	.long sys_ni_syscall	/* old "query_module" */
-	.long sys_poll
-	.long sys_nfsservctl
-	.long sys_setresgid16	/* 170 */
-	.long sys_getresgid16
-	.long sys_prctl
-	.long sys_rt_sigreturn
-	.long sys_rt_sigaction
-	.long sys_rt_sigprocmask	/* 175 */
-	.long sys_rt_sigpending
-	.long sys_rt_sigtimedwait
-	.long sys_rt_sigqueueinfo
-	.long sys_rt_sigsuspend
-	.long sys_pread_wrapper	   /* 180 */
-	.long sys_pwrite_wrapper
-	.long sys_chown16
-	.long sys_getcwd
-	.long sys_capget
-	.long sys_capset           /* 185 */
-	.long sys_sigaltstack
-	.long sys_sendfile
-	.long sys_ni_syscall	/* streams1 */
-	.long sys_ni_syscall	/* streams2 */
-	.long sys_vfork            /* 190 */
-	.long sys_getrlimit
-	.long sys_mmap2
-	.long sys_truncate64
-	.long sys_ftruncate64
-	.long sys_stat64		/* 195 */
-	.long sys_lstat64
-	.long sys_fstat64
-	.long sys_lchown
-	.long sys_getuid
-	.long sys_getgid		/* 200 */
-	.long sys_geteuid
-	.long sys_getegid
-	.long sys_setreuid
-	.long sys_setregid
-	.long sys_getgroups	/* 205 */
-	.long sys_setgroups
-	.long sys_fchown
-	.long sys_setresuid
-	.long sys_getresuid
-	.long sys_setresgid	/* 210 */
-	.long sys_getresgid
-	.long sys_chown
-	.long sys_setuid
-	.long sys_setgid
-	.long sys_setfsuid		/* 215 */
-	.long sys_setfsgid
-	.long sys_pivot_root
-	.long sys_mincore
-	.long sys_madvise
-	.long sys_getdents64	/* 220 */
-	.long sys_fcntl64
-	.long sys_ni_syscall	/* reserved for TUX */
-	.long sys_ni_syscall	/* Reserved for Security */
-	.long sys_gettid
-	.long sys_readahead	/* 225 */
-	.long sys_setxattr
-	.long sys_lsetxattr
-	.long sys_fsetxattr
-	.long sys_getxattr
-	.long sys_lgetxattr	/* 230 */
-	.long sys_fgetxattr
-	.long sys_listxattr
-	.long sys_llistxattr
-	.long sys_flistxattr
-	.long sys_removexattr	/* 235 */
-	.long sys_lremovexattr
-	.long sys_fremovexattr
-	.long sys_tkill
-	.long sys_sendfile64
-	.long sys_futex		/* 240 */
-	.long sys_sched_setaffinity
-	.long sys_sched_getaffinity
-	.long sys_ni_syscall
-	.long sys_ni_syscall
-	.long sys_io_setup	/* 245 */
-	.long sys_io_destroy
-	.long sys_io_getevents
-	.long sys_io_submit
-	.long sys_io_cancel
-	.long sys_fadvise64	/* 250 */
-	.long sys_ni_syscall
-	.long sys_exit_group
-	.long sys_lookup_dcookie
-	.long sys_epoll_create
-	.long sys_epoll_ctl	/* 255 */
-	.long sys_epoll_wait
- 	.long sys_remap_file_pages
- 	.long sys_set_tid_address
- 	.long sys_timer_create
- 	.long sys_timer_settime		/* 260 */
- 	.long sys_timer_gettime
- 	.long sys_timer_getoverrun
- 	.long sys_timer_delete
- 	.long sys_clock_settime
- 	.long sys_clock_gettime		/* 265 */
- 	.long sys_clock_getres
- 	.long sys_clock_nanosleep
-	.long sys_statfs64
-	.long sys_fstatfs64     
-	.long sys_tgkill		/* 270 */
-	.long sys_utimes
- 	.long sys_fadvise64_64_wrapper
-	.long sys_ni_syscall	/* Reserved for vserver */
-	.long sys_ni_syscall	/* Reserved for mbind */
-	.long sys_ni_syscall	/* 275 - get_mempolicy */
-	.long sys_ni_syscall	/* set_mempolicy */
-	.long sys_mq_open
-	.long sys_mq_unlink
-	.long sys_mq_timedsend
-	.long sys_mq_timedreceive       /* 280 */
-	.long sys_mq_notify
-	.long sys_mq_getsetattr
-	.long sys_ni_syscall	/* Reserved for kexec */
-	.long sys_waitid
-	.long sys_add_key		/* 285 */
-	.long sys_request_key
-	.long sys_keyctl
-	.long sys_ioprio_set
-	.long sys_ioprio_get
-	.long sys_inotify_init		/* 290 */
-	.long sys_inotify_add_watch
-	.long sys_inotify_rm_watch
-
-/* End of entry.S */
diff --git a/arch/sh/kernel/head.S b/arch/sh/kernel/head.S
index 9b9e6ef626ce..f5f53d14f245 100644
--- a/arch/sh/kernel/head.S
+++ b/arch/sh/kernel/head.S
@@ -11,6 +11,18 @@
  * Head.S contains the SH exception handlers and startup code.
  */
 #include <linux/linkage.h>
+#include <asm/thread_info.h>
+
+#ifdef CONFIG_CPU_SH4A
+#define SYNCO()		synco
+
+#define PREFI(label, reg)	\
+	mov.l	label, reg;	\
+	prefi	@reg
+#else
+#define SYNCO()
+#define PREFI(label, reg)
+#endif
 
 	.section	.empty_zero_page, "aw"
 ENTRY(empty_zero_page)
@@ -42,18 +54,25 @@ ENTRY(_stext)
 	!			Initialize global interrupt mask
 	mov	#0, r0
 	ldc	r0, r6_bank
+
+	/*
+	 * Prefetch if possible to reduce cache miss penalty.
+	 *
+	 * We do this early on for SH-4A as a micro-optimization,
+	 * as later on we will have speculative execution enabled
+	 * and this will become less of an issue.
+	 */
+	PREFI(5f, r0)
+	PREFI(6f, r0)
+
 	!
 	mov.l	2f, r0
 	mov	r0, r15		! Set initial r15 (stack pointer)
-	mov	#0x20, r1	!
-	shll8	r1		! r1 = 8192
+	mov	#(THREAD_SIZE >> 8), r1
+	shll8	r1		! r1 = THREAD_SIZE
 	sub	r1, r0		!
 	ldc	r0, r7_bank	! ... and initial thread_info
-	!
-	!			Additional CPU initialization
-	mov.l	6f, r0
-	jsr	@r0
-	 nop
+
 	!			Clear BSS area
 	mov.l	3f, r1
 	add	#4, r1
@@ -62,6 +81,14 @@ ENTRY(_stext)
 9:	cmp/hs	r2, r1
 	bf/s	9b		! while (r1 < r2)
 	 mov.l	r0,@-r2
+
+	!			Additional CPU initialization
+	mov.l	6f, r0
+	jsr	@r0
+	 nop
+
+	SYNCO()			! Wait for pending instructions..
+
 	!			Start kernel
 	mov.l	5f, r0
 	jmp	@r0
@@ -69,7 +96,7 @@ ENTRY(_stext)
 
 	.balign 4
 1:	.long	0x400080F0		! MD=1, RB=0, BL=0, FD=1, IMASK=0xF
-2:	.long	stack
+2:	.long	init_thread_union+THREAD_SIZE
 3:	.long	__bss_start
 4:	.long	_end
 5:	.long	start_kernel
diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c
index 71c9fde2fd90..501fe03e3715 100644
--- a/arch/sh/kernel/io.c
+++ b/arch/sh/kernel/io.c
@@ -61,6 +61,73 @@ void memset_io(volatile void __iomem *dst, int c, unsigned long count)
 }
 EXPORT_SYMBOL(memset_io);
 
+void __raw_readsl(unsigned long addr, void *datap, int len)
+{
+	u32 *data;
+
+	for (data = datap; (len != 0) && (((u32)data & 0x1f) != 0); len--)
+		*data++ = ctrl_inl(addr);
+
+	if (likely(len >= (0x20 >> 2))) {
+		int tmp2, tmp3, tmp4, tmp5, tmp6;
+
+		__asm__ __volatile__(
+			"1:			\n\t"
+			"mov.l	@%7, r0		\n\t"
+			"mov.l	@%7, %2		\n\t"
+#ifdef CONFIG_CPU_SH4
+			"movca.l r0, @%0	\n\t"
+#else
+			"mov.l	r0, @%0		\n\t"
+#endif
+			"mov.l	@%7, %3		\n\t"
+			"mov.l	@%7, %4		\n\t"
+			"mov.l	@%7, %5		\n\t"
+			"mov.l	@%7, %6		\n\t"
+			"mov.l	@%7, r7		\n\t"
+			"mov.l	@%7, r0		\n\t"
+			"mov.l	%2, @(0x04,%0)	\n\t"
+			"mov	#0x20>>2, %2	\n\t"
+			"mov.l	%3, @(0x08,%0)	\n\t"
+			"sub	%2, %1		\n\t"
+			"mov.l	%4, @(0x0c,%0)	\n\t"
+			"cmp/hi	%1, %2		! T if 32 > len	\n\t"
+			"mov.l	%5, @(0x10,%0)	\n\t"
+			"mov.l	%6, @(0x14,%0)	\n\t"
+			"mov.l	r7, @(0x18,%0)	\n\t"
+			"mov.l	r0, @(0x1c,%0)	\n\t"
+			"bf.s	1b		\n\t"
+			" add	#0x20, %0	\n\t"
+			: "=&r" (data), "=&r" (len),
+			  "=&r" (tmp2), "=&r" (tmp3), "=&r" (tmp4),
+			  "=&r" (tmp5), "=&r" (tmp6)
+			: "r"(addr), "0" (data), "1" (len)
+			: "r0", "r7", "t", "memory");
+	}
+
+	for (; len != 0; len--)
+		*data++ = ctrl_inl(addr);
+}
+EXPORT_SYMBOL(__raw_readsl);
+
+void __raw_writesl(unsigned long addr, const void *data, int len)
+{
+	if (likely(len != 0)) {
+		int tmp1;
+
+		__asm__ __volatile__ (
+			"1:				\n\t"
+			"mov.l	@%0+, %1	\n\t"
+			"dt		%3		\n\t"
+			"bf.s		1b		\n\t"
+			" mov.l	%1, @%4		\n\t"
+			: "=&r" (data), "=&r" (tmp1)
+			: "0" (data), "r" (len), "r"(addr)
+			: "t", "memory");
+	}
+}
+EXPORT_SYMBOL(__raw_writesl);
+
 void __iomem *ioport_map(unsigned long port, unsigned int nr)
 {
 	return sh_mv.mv_ioport_map(port, nr);
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index c2e07f7f3496..c7ebd6aec951 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -1,5 +1,4 @@
-/* $Id: irq.c,v 1.20 2004/01/13 05:52:11 kkojima Exp $
- *
+/*
  * linux/arch/sh/kernel/irq.c
  *
  *	Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
@@ -7,13 +6,15 @@
  *
  * SuperH version:  Copyright (C) 1999  Niibe Yutaka
  */
-
 #include <linux/irq.h>
 #include <linux/interrupt.h>
+#include <linux/module.h>
 #include <linux/kernel_stat.h>
 #include <linux/seq_file.h>
 #include <asm/irq.h>
 #include <asm/processor.h>
+#include <asm/uaccess.h>
+#include <asm/thread_info.h>
 #include <asm/cpu/mmu_context.h>
 
 /*
@@ -60,15 +61,46 @@ unlock:
 }
 #endif
 
+#ifdef CONFIG_4KSTACKS
+/*
+ * per-CPU IRQ handling contexts (thread information and stack)
+ */
+union irq_ctx {
+	struct thread_info	tinfo;
+	u32			stack[THREAD_SIZE/sizeof(u32)];
+};
+
+static union irq_ctx *hardirq_ctx[NR_CPUS];
+static union irq_ctx *softirq_ctx[NR_CPUS];
+#endif
 
 asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
 		      unsigned long r6, unsigned long r7,
 		      struct pt_regs regs)
 {
 	int irq = r4;
+#ifdef CONFIG_4KSTACKS
+	union irq_ctx *curctx, *irqctx;
+#endif
 
 	irq_enter();
 
+#ifdef CONFIG_DEBUG_STACKOVERFLOW
+	/* Debugging check for stack overflow: is there less than 1KB free? */
+	{
+		long sp;
+
+		__asm__ __volatile__ ("and r15, %0" :
+					"=r" (sp) : "0" (THREAD_SIZE - 1));
+
+		if (unlikely(sp < (sizeof(struct thread_info) + STACK_WARN))) {
+			printk("do_IRQ: stack overflow: %ld\n",
+			       sp - sizeof(struct thread_info));
+			dump_stack();
+		}
+	}
+#endif
+
 #ifdef CONFIG_CPU_HAS_INTEVT
 	__asm__ __volatile__ (
 #ifdef CONFIG_CPU_HAS_SR_RB
@@ -87,7 +119,135 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
 #endif
 
 	irq = irq_demux(irq);
-	__do_IRQ(irq, &regs);
+
+#ifdef CONFIG_4KSTACKS
+	curctx = (union irq_ctx *)current_thread_info();
+	irqctx = hardirq_ctx[smp_processor_id()];
+
+	/*
+	 * this is where we switch to the IRQ stack. However, if we are
+	 * already using the IRQ stack (because we interrupted a hardirq
+	 * handler) we can't do that and just have to keep using the
+	 * current stack (which is the irq stack already after all)
+	 */
+	if (curctx != irqctx) {
+		u32 *isp;
+
+		isp = (u32 *)((char *)irqctx + sizeof(*irqctx));
+		irqctx->tinfo.task = curctx->tinfo.task;
+		irqctx->tinfo.previous_sp = current_stack_pointer;
+
+		__asm__ __volatile__ (
+			"mov	%0, r4		\n"
+			"mov	%1, r5		\n"
+			"mov	r15, r9		\n"
+			"jsr	@%2		\n"
+			/* swith to the irq stack */
+			" mov	%3, r15		\n"
+			/* restore the stack (ring zero) */
+			"mov	r9, r15		\n"
+			: /* no outputs */
+			: "r" (irq), "r" (&regs), "r" (__do_IRQ), "r" (isp)
+			/* XXX: A somewhat excessive clobber list? -PFM */
+			: "memory", "r0", "r1", "r2", "r3", "r4",
+			  "r5", "r6", "r7", "r8", "t", "pr"
+		);
+	} else
+#endif
+		__do_IRQ(irq, &regs);
+
 	irq_exit();
+
 	return 1;
 }
+
+#ifdef CONFIG_4KSTACKS
+/*
+ * These should really be __section__(".bss.page_aligned") as well, but
+ * gcc's 3.0 and earlier don't handle that correctly.
+ */
+static char softirq_stack[NR_CPUS * THREAD_SIZE]
+		__attribute__((__aligned__(THREAD_SIZE)));
+
+static char hardirq_stack[NR_CPUS * THREAD_SIZE]
+		__attribute__((__aligned__(THREAD_SIZE)));
+
+/*
+ * allocate per-cpu stacks for hardirq and for softirq processing
+ */
+void irq_ctx_init(int cpu)
+{
+	union irq_ctx *irqctx;
+
+	if (hardirq_ctx[cpu])
+		return;
+
+	irqctx = (union irq_ctx *)&hardirq_stack[cpu * THREAD_SIZE];
+	irqctx->tinfo.task		= NULL;
+	irqctx->tinfo.exec_domain	= NULL;
+	irqctx->tinfo.cpu		= cpu;
+	irqctx->tinfo.preempt_count	= HARDIRQ_OFFSET;
+	irqctx->tinfo.addr_limit	= MAKE_MM_SEG(0);
+
+	hardirq_ctx[cpu] = irqctx;
+
+	irqctx = (union irq_ctx *)&softirq_stack[cpu * THREAD_SIZE];
+	irqctx->tinfo.task		= NULL;
+	irqctx->tinfo.exec_domain	= NULL;
+	irqctx->tinfo.cpu		= cpu;
+	irqctx->tinfo.preempt_count	= SOFTIRQ_OFFSET;
+	irqctx->tinfo.addr_limit	= MAKE_MM_SEG(0);
+
+	softirq_ctx[cpu] = irqctx;
+
+	printk("CPU %u irqstacks, hard=%p soft=%p\n",
+		cpu, hardirq_ctx[cpu], softirq_ctx[cpu]);
+}
+
+void irq_ctx_exit(int cpu)
+{
+	hardirq_ctx[cpu] = NULL;
+}
+
+extern asmlinkage void __do_softirq(void);
+
+asmlinkage void do_softirq(void)
+{
+	unsigned long flags;
+	struct thread_info *curctx;
+	union irq_ctx *irqctx;
+	u32 *isp;
+
+	if (in_interrupt())
+		return;
+
+	local_irq_save(flags);
+
+	if (local_softirq_pending()) {
+		curctx = current_thread_info();
+		irqctx = softirq_ctx[smp_processor_id()];
+		irqctx->tinfo.task = curctx->task;
+		irqctx->tinfo.previous_sp = current_stack_pointer;
+
+		/* build the stack frame on the softirq stack */
+		isp = (u32 *)((char *)irqctx + sizeof(*irqctx));
+
+		__asm__ __volatile__ (
+			"mov	r15, r9		\n"
+			"jsr	@%0		\n"
+			/* switch to the softirq stack */
+			" mov	%1, r15		\n"
+			/* restore the thread stack */
+			"mov	r9, r15		\n"
+			: /* no outputs */
+			: "r" (__do_softirq), "r" (isp)
+			/* XXX: A somewhat excessive clobber list? -PFM */
+			: "memory", "r0", "r1", "r2", "r3", "r4",
+			  "r5", "r6", "r7", "r8", "r9", "r15", "t", "pr"
+		);
+	}
+
+	local_irq_restore(flags);
+}
+EXPORT_SYMBOL(do_softirq);
+#endif
diff --git a/arch/sh/kernel/kgdb_stub.c b/arch/sh/kernel/kgdb_stub.c
index 42638b92b51c..9c6315f0335d 100644
--- a/arch/sh/kernel/kgdb_stub.c
+++ b/arch/sh/kernel/kgdb_stub.c
@@ -101,16 +101,17 @@
 #include <linux/linkage.h>
 #include <linux/init.h>
 
+#ifdef CONFIG_SH_KGDB_CONSOLE
+#include <linux/console.h>
+#endif
+
 #include <asm/system.h>
 #include <asm/current.h>
 #include <asm/signal.h>
 #include <asm/pgtable.h>
 #include <asm/ptrace.h>
 #include <asm/kgdb.h>
-
-#ifdef CONFIG_SH_KGDB_CONSOLE
-#include <linux/console.h>
-#endif
+#include <asm/io.h>
 
 /* Function pointers for linkage */
 kgdb_debug_hook_t *kgdb_debug_hook;
@@ -240,7 +241,6 @@ static jmp_buf rem_com_env;
 /* Misc static */
 static int stepped_address;
 static short stepped_opcode;
-static const char hexchars[] = "0123456789abcdef";
 static char in_buffer[BUFMAX];
 static char out_buffer[OUTBUFMAX];
 
@@ -253,29 +253,6 @@ typedef unsigned char threadref[8];
 #define BUF_THREAD_ID_SIZE 16
 #endif
 
-/* Return addr as a real volatile address */
-static inline unsigned int ctrl_inl(const unsigned long addr)
-{
-	return *(volatile unsigned long *) addr;
-}
-
-/* Correctly set *addr using volatile */
-static inline void ctrl_outl(const unsigned int b, unsigned long addr)
-{
-	*(volatile unsigned long *) addr = b;
-}
-
-/* Get high hex bits */
-static char highhex(const int x)
-{
-	return hexchars[(x >> 4) & 0xf];
-}
-
-/* Get low hex bits */
-static char lowhex(const int x)
-{
-	return hexchars[x & 0xf];
-}
 
 /* Convert ch to hex */
 static int hex(const char ch)
diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c
index 6bcd8d92399f..08587cdb64d6 100644
--- a/arch/sh/kernel/machine_kexec.c
+++ b/arch/sh/kernel/machine_kexec.c
@@ -29,12 +29,6 @@ extern const unsigned char relocate_new_kernel[];
 extern const unsigned int relocate_new_kernel_size;
 extern void *gdb_vbr_vector;
 
-/*
- * Provide a dummy crash_notes definition while crash dump arrives to ppc.
- * This prevents breakage of crash_notes attribute in kernel/ksysfs.c.
- */
-void *crash_notes = NULL;
-
 void machine_shutdown(void)
 {
 }
diff --git a/arch/sh/kernel/pm.c b/arch/sh/kernel/pm.c
new file mode 100644
index 000000000000..10ab62c9aede
--- /dev/null
+++ b/arch/sh/kernel/pm.c
@@ -0,0 +1,88 @@
+/*
+ * Generic Power Management Routine
+ *
+ * Copyright (c) 2006 Andriy Skulysh <askulsyh@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License.
+ */
+#include <linux/suspend.h>
+#include <linux/delay.h>
+#include <linux/gfp.h>
+#include <asm/freq.h>
+#include <asm/io.h>
+#include <asm/watchdog.h>
+#include <asm/pm.h>
+
+#define INTR_OFFSET	0x600
+
+#define STBCR		0xffffff82
+#define STBCR2		0xffffff88
+
+#define STBCR_STBY	0x80
+#define STBCR_MSTP2	0x04
+
+#define MCR		0xffffff68
+#define RTCNT		0xffffff70
+
+#define MCR_RMODE	2
+#define MCR_RFSH	4
+
+void pm_enter(void)
+{
+	u8 stbcr, csr;
+	u16 frqcr, mcr;
+	u32 vbr_new, vbr_old;
+
+	set_bl_bit();
+
+	/* set wdt */
+	csr = sh_wdt_read_csr();
+	csr &= ~WTCSR_TME;
+	csr |= WTCSR_CKS_4096;
+	sh_wdt_write_csr(csr);
+	csr = sh_wdt_read_csr();
+	sh_wdt_write_cnt(0);
+
+	/* disable PLL1 */
+	frqcr = ctrl_inw(FRQCR);
+	frqcr &= ~(FRQCR_PLLEN | FRQCR_PSTBY);
+	ctrl_outw(frqcr, FRQCR);
+
+	/* enable standby */
+	stbcr = ctrl_inb(STBCR);
+	ctrl_outb(stbcr | STBCR_STBY | STBCR_MSTP2, STBCR);
+
+	/* set self-refresh */
+	mcr = ctrl_inw(MCR);
+	ctrl_outw(mcr & ~MCR_RFSH, MCR);
+
+	/* set interrupt handler */
+	asm volatile("stc vbr, %0" : "=r" (vbr_old));
+	vbr_new = get_zeroed_page(GFP_ATOMIC);
+	udelay(50);
+	memcpy((void*)(vbr_new + INTR_OFFSET),
+	       &wakeup_start, &wakeup_end - &wakeup_start);
+	asm volatile("ldc %0, vbr" : : "r" (vbr_new));
+
+	ctrl_outw(0, RTCNT);
+	ctrl_outw(mcr | MCR_RFSH | MCR_RMODE, MCR);
+
+	cpu_sleep();
+
+	asm volatile("ldc %0, vbr" : : "r" (vbr_old));
+
+	free_page(vbr_new);
+
+	/* enable PLL1 */
+	frqcr = ctrl_inw(FRQCR);
+	frqcr |= FRQCR_PSTBY;
+	ctrl_outw(frqcr, FRQCR);
+	udelay(50);
+	frqcr |= FRQCR_PLLEN;
+	ctrl_outw(frqcr, FRQCR);
+
+	ctrl_outb(stbcr, STBCR);
+
+	clear_bl_bit();
+}
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index f2031314cb2b..0b1d5dd7a93b 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -81,16 +81,6 @@ void cpu_idle(void)
 
 void machine_restart(char * __unused)
 {
-
-#ifdef CONFIG_KEXEC
-	struct kimage *image;
-	image = xchg(&kexec_image, 0);
-	if (image) {
-		machine_shutdown();
-		machine_kexec(image);
-	}
-#endif
-
 	/* SR.BL=1 and invoke address error to let CPU reset (manual reset) */
 	asm volatile("ldc %0, sr\n\t"
 		     "mov.l @%1, %0" : : "r" (0x10000000), "r" (0x80000001));
@@ -263,6 +253,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
 		unsigned long unused,
 		struct task_struct *p, struct pt_regs *regs)
 {
+	struct thread_info *ti = task_thread_info(p);
 	struct pt_regs *childregs;
 #if defined(CONFIG_SH_FPU)
 	struct task_struct *tsk = current;
@@ -277,8 +268,10 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
 
 	if (user_mode(regs)) {
 		childregs->regs[15] = usp;
+		ti->addr_limit = USER_DS;
 	} else {
 		childregs->regs[15] = (unsigned long)task_stack_page(p) + THREAD_SIZE;
+		ti->addr_limit = KERNEL_DS;
 	}
         if (clone_flags & CLONE_SETTLS) {
 		childregs->gbr = childregs->regs[0];
@@ -299,13 +292,15 @@ ubc_set_tracing(int asid, unsigned long pc)
 {
 	ctrl_outl(pc, UBC_BARA);
 
+#ifdef CONFIG_MMU
 	/* We don't have any ASID settings for the SH-2! */
 	if (cpu_data->type != CPU_SH7604)
 		ctrl_outb(asid, UBC_BASRA);
+#endif
 
 	ctrl_outl(0, UBC_BAMRA);
 
-	if (cpu_data->type == CPU_SH7729) {
+	if (cpu_data->type == CPU_SH7729 || cpu_data->type == CPU_SH7710) {
 		ctrl_outw(BBR_INST | BBR_READ | BBR_CPU, UBC_BBRA);
 		ctrl_outl(BRCR_PCBA | BRCR_PCTE, UBC_BRCR);
 	} else {
@@ -344,6 +339,7 @@ struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *ne
 	}
 #endif
 
+#ifdef CONFIG_MMU
 	/*
 	 * Restore the kernel mode register
 	 *   	k7 (r7_bank1)
@@ -351,19 +347,21 @@ struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *ne
 	asm volatile("ldc	%0, r7_bank"
 		     : /* no output */
 		     : "r" (task_thread_info(next)));
+#endif
 
-#ifdef CONFIG_MMU
 	/* If no tasks are using the UBC, we're done */
 	if (ubc_usercnt == 0)
 		/* If no tasks are using the UBC, we're done */;
 	else if (next->thread.ubc_pc && next->mm) {
-		ubc_set_tracing(next->mm->context & MMU_CONTEXT_ASID_MASK,
-				next->thread.ubc_pc);
+		int asid = 0;
+#ifdef CONFIG_MMU
+		asid |= next->mm->context.id & MMU_CONTEXT_ASID_MASK;
+#endif
+		ubc_set_tracing(asid, next->thread.ubc_pc);
 	} else {
 		ctrl_outw(0, UBC_BBRA);
 		ctrl_outw(0, UBC_BBRB);
 	}
-#endif
 
 	return prev;
 }
diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c
index f7eebbde3291..04ca13a041c1 100644
--- a/arch/sh/kernel/ptrace.c
+++ b/arch/sh/kernel/ptrace.c
@@ -224,7 +224,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 
 	case PTRACE_SETDSPREGS: {
 		unsigned long dp;
-		int i;
 
 		ret = -EIO;
 		dp = ((unsigned long) child) + THREAD_SIZE -
diff --git a/arch/sh/kernel/semaphore.c b/arch/sh/kernel/semaphore.c
index a3c24dcbf01d..184119eeae56 100644
--- a/arch/sh/kernel/semaphore.c
+++ b/arch/sh/kernel/semaphore.c
@@ -14,7 +14,7 @@
 #include <asm/semaphore.h>
 #include <asm/semaphore-helper.h>
 
-spinlock_t semaphore_wake_lock;
+DEFINE_SPINLOCK(semaphore_wake_lock);
 
 /*
  * Semaphores are implemented using a two-way counter:
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index e75189cb1db7..5f587332234a 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -43,27 +43,14 @@ extern void * __rd_start, * __rd_end;
  * The bigger value means no problem.
  */
 struct sh_cpuinfo boot_cpu_data = { CPU_SH_NONE, 10000000, };
+#ifdef CONFIG_VT
 struct screen_info screen_info;
+#endif
 
 #if defined(CONFIG_SH_UNKNOWN)
 struct sh_machine_vector sh_mv;
 #endif
 
-/* We need this to satisfy some external references. */
-struct screen_info screen_info = {
-        0, 25,                  /* orig-x, orig-y */
-        0,                      /* unused */
-        0,                      /* orig-video-page */
-        0,                      /* orig-video-mode */
-        80,                     /* orig-video-cols */
-        0,0,0,                  /* ega_ax, ega_bx, ega_cx */
-        25,                     /* orig-video-lines */
-        0,                      /* orig-video-isVGA */
-        16                      /* orig-video-points */
-};
-
-extern void platform_setup(void);
-extern char *get_system_type(void);
 extern int root_mountflags;
 
 #define MV_NAME_SIZE 32
@@ -90,29 +77,8 @@ static struct sh_machine_vector* __init get_mv_byname(const char* name);
 
 static char command_line[COMMAND_LINE_SIZE] = { 0, };
 
-struct resource standard_io_resources[] = {
-	{ "dma1", 0x00, 0x1f },
-	{ "pic1", 0x20, 0x3f },
-	{ "timer", 0x40, 0x5f },
-	{ "keyboard", 0x60, 0x6f },
-	{ "dma page reg", 0x80, 0x8f },
-	{ "pic2", 0xa0, 0xbf },
-	{ "dma2", 0xc0, 0xdf },
-	{ "fpu", 0xf0, 0xff }
-};
-
-#define STANDARD_IO_RESOURCES (sizeof(standard_io_resources)/sizeof(struct resource))
-
-/* System RAM - interrupted by the 640kB-1M hole */
-#define code_resource (ram_resources[3])
-#define data_resource (ram_resources[4])
-static struct resource ram_resources[] = {
-	{ "System RAM", 0x000000, 0x09ffff, IORESOURCE_BUSY },
-	{ "System RAM", 0x100000, 0x100000, IORESOURCE_BUSY },
-	{ "Video RAM area", 0x0a0000, 0x0bffff },
-	{ "Kernel code", 0x100000, 0 },
-	{ "Kernel data", 0, 0 }
-};
+static struct resource code_resource = { .name = "Kernel code", };
+static struct resource data_resource = { .name = "Kernel data", };
 
 unsigned long memory_start, memory_end;
 
@@ -145,6 +111,24 @@ static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE],
 				memory_end = memory_start + mem_size;
 			}
 		}
+
+#ifdef CONFIG_EARLY_PRINTK
+		if (c == ' ' && !memcmp(from, "earlyprintk=", 12)) {
+			char *ep_end;
+
+			if (to != command_line)
+				to--;
+
+			from += 12;
+			ep_end = strchr(from, ' ');
+
+			setup_early_printk(from);
+			printk("early console enabled\n");
+
+			from = ep_end;
+		}
+#endif
+
 		if (c == ' ' && !memcmp(from, "sh_mv=", 6)) {
 			char* mv_end;
 			char* mv_comma;
@@ -237,6 +221,9 @@ static int __init sh_mv_setup(char **cmdline_p)
 	__set_io_port_base(mv_io_base);
 #endif
 
+	if (!sh_mv.mv_nr_irqs)
+		sh_mv.mv_nr_irqs = NR_IRQS;
+
 	return 0;
 }
 
@@ -245,11 +232,6 @@ void __init setup_arch(char **cmdline_p)
 	unsigned long bootmap_size;
 	unsigned long start_pfn, max_pfn, max_low_pfn;
 
-#ifdef CONFIG_EARLY_PRINTK
-	extern void enable_early_printk(void);
-
-	enable_early_printk();
-#endif
 #ifdef CONFIG_CMDLINE_BOOL
         strcpy(COMMAND_LINE, CONFIG_CMDLINE);
 #endif
@@ -368,14 +350,14 @@ void __init setup_arch(char **cmdline_p)
 #endif
 
 	/* Perform the machine specific initialisation */
-	platform_setup();
+	if (likely(sh_mv.mv_setup))
+		sh_mv.mv_setup(cmdline_p);
 
 	paging_init();
 }
 
 struct sh_machine_vector* __init get_mv_byname(const char* name)
 {
-	extern int strcasecmp(const char *, const char *);
 	extern long __machvec_start, __machvec_end;
 	struct sh_machine_vector *all_vecs =
 		(struct sh_machine_vector *)&__machvec_start;
@@ -410,25 +392,18 @@ static int __init topology_init(void)
 subsys_initcall(topology_init);
 
 static const char *cpu_name[] = {
-	[CPU_SH7604]	= "SH7604",
-	[CPU_SH7705]	= "SH7705",
-	[CPU_SH7708]	= "SH7708",
-	[CPU_SH7729]	= "SH7729",
-	[CPU_SH7300]	= "SH7300",
-	[CPU_SH7750]	= "SH7750",
-	[CPU_SH7750S]	= "SH7750S",
-	[CPU_SH7750R]	= "SH7750R",
-	[CPU_SH7751]	= "SH7751",
-	[CPU_SH7751R]	= "SH7751R",
-	[CPU_SH7760]	= "SH7760",
-	[CPU_SH73180]	= "SH73180",
-	[CPU_ST40RA]	= "ST40RA",
-	[CPU_ST40GX1]	= "ST40GX1",
-	[CPU_SH4_202]	= "SH4-202",
-	[CPU_SH4_501]	= "SH4-501",
-	[CPU_SH7770]	= "SH7770",
-	[CPU_SH7780]	= "SH7780",
-	[CPU_SH7781]	= "SH7781",
+	[CPU_SH7604]	= "SH7604",	[CPU_SH7300]	= "SH7300",
+	[CPU_SH7705]	= "SH7705",	[CPU_SH7706]	= "SH7706",
+	[CPU_SH7707]	= "SH7707",	[CPU_SH7708]	= "SH7708",
+	[CPU_SH7709]	= "SH7709",	[CPU_SH7710]	= "SH7710",
+	[CPU_SH7729]	= "SH7729",	[CPU_SH7750]	= "SH7750",
+	[CPU_SH7750S]	= "SH7750S",	[CPU_SH7750R]	= "SH7750R",
+	[CPU_SH7751]	= "SH7751",	[CPU_SH7751R]	= "SH7751R",
+	[CPU_SH7760]	= "SH7760",	[CPU_SH73180]	= "SH73180",
+	[CPU_ST40RA]	= "ST40RA",	[CPU_ST40GX1]	= "ST40GX1",
+	[CPU_SH4_202]	= "SH4-202",	[CPU_SH4_501]	= "SH4-501",
+	[CPU_SH7770]	= "SH7770",	[CPU_SH7780]	= "SH7780",
+	[CPU_SH7781]	= "SH7781",	[CPU_SH7343]	= "SH7343",
 	[CPU_SH_NONE]	= "Unknown"
 };
 
@@ -438,8 +413,10 @@ const char *get_cpu_subtype(void)
 }
 
 #ifdef CONFIG_PROC_FS
+/* Symbolic CPU flags, keep in sync with asm/cpu-features.h */
 static const char *cpu_flags[] = {
-	"none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr", "ptea", NULL
+	"none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr",
+	"ptea", "llsc", "l2", NULL
 };
 
 static void show_cpuflags(struct seq_file *m)
@@ -460,7 +437,8 @@ static void show_cpuflags(struct seq_file *m)
 	seq_printf(m, "\n");
 }
 
-static void show_cacheinfo(struct seq_file *m, const char *type, struct cache_info info)
+static void show_cacheinfo(struct seq_file *m, const char *type,
+			   struct cache_info info)
 {
 	unsigned int cache_size;
 
@@ -493,7 +471,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	 * unified cache on the SH-2 and SH-3, as well as the harvard
 	 * style cache on the SH-4.
 	 */
-	if (test_bit(SH_CACHE_COMBINED, &(boot_cpu_data.icache.flags))) {
+	if (boot_cpu_data.icache.flags & SH_CACHE_COMBINED) {
 		seq_printf(m, "unified\n");
 		show_cacheinfo(m, "cache", boot_cpu_data.icache);
 	} else {
@@ -502,6 +480,10 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		show_cacheinfo(m, "dcache", boot_cpu_data.dcache);
 	}
 
+	/* Optional secondary cache */
+	if (boot_cpu_data.flags & CPU_HAS_L2_CACHE)
+		show_cacheinfo(m, "scache", boot_cpu_data.scache);
+
 	seq_printf(m, "bogomips\t: %lu.%02lu\n",
 		     boot_cpu_data.loops_per_jiffy/(500000/HZ),
 		     (boot_cpu_data.loops_per_jiffy/(5000/HZ)) % 100);
@@ -617,4 +599,3 @@ static int __init kgdb_parse_options(char *options)
 }
 __setup("kgdb=", kgdb_parse_options);
 #endif /* CONFIG_SH_KGDB */
-
diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c
index 245ed8f945e8..d3cbfa2ad4a7 100644
--- a/arch/sh/kernel/sh_ksyms.c
+++ b/arch/sh/kernel/sh_ksyms.c
@@ -27,21 +27,11 @@ EXPORT_SYMBOL(sh_mv);
 
 /* platform dependent support */
 EXPORT_SYMBOL(dump_fpu);
-EXPORT_SYMBOL(iounmap);
-EXPORT_SYMBOL(enable_irq);
-EXPORT_SYMBOL(disable_irq);
-EXPORT_SYMBOL(probe_irq_mask);
 EXPORT_SYMBOL(kernel_thread);
-EXPORT_SYMBOL(disable_irq_nosync);
 EXPORT_SYMBOL(irq_desc);
 EXPORT_SYMBOL(no_irq_type);
 
-EXPORT_SYMBOL(strstr);
 EXPORT_SYMBOL(strlen);
-EXPORT_SYMBOL(strnlen);
-EXPORT_SYMBOL(strchr);
-EXPORT_SYMBOL(strcat);
-EXPORT_SYMBOL(strncat);
 
 /* PCI exports */
 #ifdef CONFIG_PCI
@@ -52,13 +42,8 @@ EXPORT_SYMBOL(pci_free_consistent);
 /* mem exports */
 EXPORT_SYMBOL(memchr);
 EXPORT_SYMBOL(memcpy);
-EXPORT_SYMBOL(memcpy_fromio);
-EXPORT_SYMBOL(memcpy_toio);
 EXPORT_SYMBOL(memset);
-EXPORT_SYMBOL(memset_io);
 EXPORT_SYMBOL(memmove);
-EXPORT_SYMBOL(memcmp);
-EXPORT_SYMBOL(memscan);
 EXPORT_SYMBOL(__copy_user);
 EXPORT_SYMBOL(boot_cpu_data);
 
@@ -94,7 +79,9 @@ EXPORT_SYMBOL(strcpy);
 DECLARE_EXPORT(__movstr_i4_even);
 DECLARE_EXPORT(__movstr_i4_odd);
 DECLARE_EXPORT(__movstrSI12_i4);
+#endif
 
+#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SH7705_CACHE_32KB)
 /* needed by some modules */
 EXPORT_SYMBOL(flush_cache_all);
 EXPORT_SYMBOL(flush_cache_range);
@@ -102,11 +89,9 @@ EXPORT_SYMBOL(flush_dcache_page);
 EXPORT_SYMBOL(__flush_purge_region);
 #endif
 
-#if defined(CONFIG_SH7705_CACHE_32KB)
-EXPORT_SYMBOL(flush_cache_all);
-EXPORT_SYMBOL(flush_cache_range);
-EXPORT_SYMBOL(flush_dcache_page);
-EXPORT_SYMBOL(__flush_purge_region);
+#if defined(CONFIG_MMU) && (defined(CONFIG_CPU_SH4) || \
+	defined(CONFIG_SH7705_CACHE_32KB))
+EXPORT_SYMBOL(clear_user_page);
 #endif
 
 EXPORT_SYMBOL(flush_tlb_page);
@@ -116,7 +101,12 @@ EXPORT_SYMBOL(__down_trylock);
 EXPORT_SYMBOL(synchronize_irq);
 #endif
 
+#ifdef CONFIG_PM
+EXPORT_SYMBOL(pm_suspend);
+#endif
+
 EXPORT_SYMBOL(csum_partial);
+#ifdef CONFIG_IPV6
 EXPORT_SYMBOL(csum_ipv6_magic);
-EXPORT_SYMBOL(consistent_sync);
+#endif
 EXPORT_SYMBOL(clear_page);
diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c
index b475c4d2405f..5213f5bc6ce0 100644
--- a/arch/sh/kernel/signal.c
+++ b/arch/sh/kernel/signal.c
@@ -8,7 +8,6 @@
  *  SuperH version:  Copyright (C) 1999, 2000  Niibe Yutaka & Kaz Kojima
  *
  */
-
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
@@ -21,6 +20,7 @@
 #include <linux/unistd.h>
 #include <linux/stddef.h>
 #include <linux/tty.h>
+#include <linux/elf.h>
 #include <linux/personality.h>
 #include <linux/binfmts.h>
 
@@ -29,12 +29,8 @@
 #include <asm/pgtable.h>
 #include <asm/cacheflush.h>
 
-#define DEBUG_SIG 0
-
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
-asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset);
-
 /*
  * Atomically swap in the new signal mask, and wait for a signal.
  */
@@ -43,51 +39,17 @@ sys_sigsuspend(old_sigset_t mask,
 	       unsigned long r5, unsigned long r6, unsigned long r7,
 	       struct pt_regs regs)
 {
-	sigset_t saveset;
-
 	mask &= _BLOCKABLE;
 	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
+	current->saved_sigmask = current->blocked;
 	siginitset(&current->blocked, mask);
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
 
-	regs.regs[0] = -EINTR;
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		if (do_signal(&regs, &saveset))
-			return -EINTR;
-	}
-}
-
-asmlinkage int
-sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize,
-		  unsigned long r6, unsigned long r7,
-		  struct pt_regs regs)
-{
-	sigset_t saveset, newset;
-
-	/* XXX: Don't preclude handling different sized sigset_t's.  */
-	if (sigsetsize != sizeof(sigset_t))
-		return -EINVAL;
-
-	if (copy_from_user(&newset, unewset, sizeof(newset)))
-		return -EFAULT;
-	sigdelsetmask(&newset, ~_BLOCKABLE);
-	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
-	current->blocked = newset;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-
-	regs.regs[0] = -EINTR;
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		if (do_signal(&regs, &saveset))
-			return -EINTR;
-	}
+	current->state = TASK_INTERRUPTIBLE;
+	schedule();
+	set_thread_flag(TIF_RESTORE_SIGMASK);
+	return -ERESTARTNOHAND;
 }
 
 asmlinkage int 
@@ -348,7 +310,12 @@ get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size)
 	return (void __user *)((sp - frame_size) & -8ul);
 }
 
-static void setup_frame(int sig, struct k_sigaction *ka,
+/* These symbols are defined with the addresses in the vsyscall page.
+   See vsyscall-trapa.S.  */
+extern void __user __kernel_sigreturn;
+extern void __user __kernel_rt_sigreturn;
+
+static int setup_frame(int sig, struct k_sigaction *ka,
 			sigset_t *set, struct pt_regs *regs)
 {
 	struct sigframe __user *frame;
@@ -368,15 +335,18 @@ static void setup_frame(int sig, struct k_sigaction *ka,
 
 	err |= setup_sigcontext(&frame->sc, regs, set->sig[0]);
 
-	if (_NSIG_WORDS > 1) {
+	if (_NSIG_WORDS > 1)
 		err |= __copy_to_user(frame->extramask, &set->sig[1],
 				      sizeof(frame->extramask));
-	}
 
 	/* Set up to return from userspace.  If provided, use a stub
 	   already in userspace.  */
 	if (ka->sa.sa_flags & SA_RESTORER) {
 		regs->pr = (unsigned long) ka->sa.sa_restorer;
+#ifdef CONFIG_VSYSCALL
+	} else if (likely(current->mm->context.vdso)) {
+		regs->pr = VDSO_SYM(&__kernel_sigreturn);
+#endif
 	} else {
 		/* Generate return code (system call to sigreturn) */
 		err |= __put_user(MOVW(7), &frame->retcode[0]);
@@ -402,21 +372,22 @@ static void setup_frame(int sig, struct k_sigaction *ka,
 
 	set_fs(USER_DS);
 
-#if DEBUG_SIG
-	printk("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n",
-		current->comm, current->pid, frame, regs->pc, regs->pr);
-#endif
+	pr_debug("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n",
+		 current->comm, current->pid, frame, regs->pc, regs->pr);
 
 	flush_cache_sigtramp(regs->pr);
+
 	if ((-regs->pr & (L1_CACHE_BYTES-1)) < sizeof(frame->retcode))
 		flush_cache_sigtramp(regs->pr + L1_CACHE_BYTES);
-	return;
+
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
+	return -EFAULT;
 }
 
-static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
+static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 			   sigset_t *set, struct pt_regs *regs)
 {
 	struct rt_sigframe __user *frame;
@@ -452,6 +423,10 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	   already in userspace.  */
 	if (ka->sa.sa_flags & SA_RESTORER) {
 		regs->pr = (unsigned long) ka->sa.sa_restorer;
+#ifdef CONFIG_VSYSCALL
+	} else if (likely(current->mm->context.vdso)) {
+		regs->pr = VDSO_SYM(&__kernel_rt_sigreturn);
+#endif
 	} else {
 		/* Generate return code (system call to rt_sigreturn) */
 		err |= __put_user(MOVW(7), &frame->retcode[0]);
@@ -477,28 +452,31 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 
 	set_fs(USER_DS);
 
-#if DEBUG_SIG
-	printk("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n",
-		current->comm, current->pid, frame, regs->pc, regs->pr);
-#endif
+	pr_debug("SIG deliver (%s:%d): sp=%p pc=%08lx pr=%08lx\n",
+		 current->comm, current->pid, frame, regs->pc, regs->pr);
 
 	flush_cache_sigtramp(regs->pr);
+
 	if ((-regs->pr & (L1_CACHE_BYTES-1)) < sizeof(frame->retcode))
 		flush_cache_sigtramp(regs->pr + L1_CACHE_BYTES);
-	return;
+
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
+	return -EFAULT;
 }
 
 /*
  * OK, we're invoking a handler
  */
 
-static void
+static int
 handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
 	      sigset_t *oldset, struct pt_regs *regs)
 {
+	int ret;
+
 	/* Are we from a system call? */
 	if (regs->tra >= 0) {
 		/* If so, check system call restarting.. */
@@ -539,19 +517,23 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
 
 	/* Set up the stack frame */
 	if (ka->sa.sa_flags & SA_SIGINFO)
-		setup_rt_frame(sig, ka, info, oldset, regs);
+		ret = setup_rt_frame(sig, ka, info, oldset, regs);
 	else
-		setup_frame(sig, ka, oldset, regs);
+		ret = setup_frame(sig, ka, oldset, regs);
 
 	if (ka->sa.sa_flags & SA_ONESHOT)
 		ka->sa.sa_handler = SIG_DFL;
 
-	spin_lock_irq(&current->sighand->siglock);
-	sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
-	if (!(ka->sa.sa_flags & SA_NODEFER))
-		sigaddset(&current->blocked,sig);
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
+	if (ret == 0) {
+		spin_lock_irq(&current->sighand->siglock);
+		sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
+		if (!(ka->sa.sa_flags & SA_NODEFER))
+			sigaddset(&current->blocked,sig);
+		recalc_sigpending();
+		spin_unlock_irq(&current->sighand->siglock);
+	}
+
+	return ret;
 }
 
 /*
@@ -563,11 +545,12 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
  * the kernel can handle, and then we build all the user-level signal handling
  * stack-frames in one go after that.
  */
-int do_signal(struct pt_regs *regs, sigset_t *oldset)
+static void do_signal(struct pt_regs *regs, unsigned int save_r0)
 {
 	siginfo_t info;
 	int signr;
 	struct k_sigaction ka;
+	sigset_t *oldset;
 
 	/*
 	 * We want the common case to go fast, which
@@ -576,19 +559,27 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 	 * if so.
 	 */
 	if (!user_mode(regs))
-		return 1;
+		return;
 
 	if (try_to_freeze())
 		goto no_signal;
 
-	if (!oldset)
+	if (test_thread_flag(TIF_RESTORE_SIGMASK))
+		oldset = &current->saved_sigmask;
+	else
 		oldset = &current->blocked;
 
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 	if (signr > 0) {
 		/* Whee!  Actually deliver the signal.  */
-		handle_signal(signr, &ka, &info, oldset, regs);
-		return 1;
+		if (handle_signal(signr, &ka, &info, oldset, regs) == 0) {
+			/* a signal was successfully delivered; the saved
+			 * sigmask will have been stored in the signal frame,
+			 * and will be restored by sigreturn, so we can simply
+			 * clear the TIF_RESTORE_SIGMASK flag */
+			if (test_thread_flag(TIF_RESTORE_SIGMASK))
+				clear_thread_flag(TIF_RESTORE_SIGMASK);
+		}
 	}
 
  no_signal:
@@ -597,10 +588,27 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 		/* Restart the system call - no handlers present */
 		if (regs->regs[0] == -ERESTARTNOHAND ||
 		    regs->regs[0] == -ERESTARTSYS ||
-		    regs->regs[0] == -ERESTARTNOINTR ||
-		    regs->regs[0] == -ERESTART_RESTARTBLOCK) {
+		    regs->regs[0] == -ERESTARTNOINTR) {
+		    	regs->regs[0] = save_r0;
+			regs->pc -= 2;
+		} else if (regs->regs[0] == -ERESTART_RESTARTBLOCK) {
 			regs->pc -= 2;
+			regs->regs[3] = __NR_restart_syscall;
 		}
 	}
-	return 0;
+
+	/* if there's no signal to deliver, we just put the saved sigmask
+	 * back */
+	if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+		clear_thread_flag(TIF_RESTORE_SIGMASK);
+		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+	}
+}
+
+asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0,
+				 __u32 thread_info_flags)
+{
+	/* deal with pending signal delivery */
+	if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
+		do_signal(regs, save_r0);
 }
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 917b2f32f260..b68ff705f067 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -21,7 +21,8 @@
 #include <linux/mman.h>
 #include <linux/file.h>
 #include <linux/utsname.h>
-
+#include <linux/module.h>
+#include <asm/cacheflush.h>
 #include <asm/uaccess.h>
 #include <asm/ipc.h>
 
@@ -44,11 +45,16 @@ asmlinkage int sys_pipe(unsigned long r4, unsigned long r5,
 	return error;
 }
 
-#if defined(HAVE_ARCH_UNMAPPED_AREA)
+unsigned long shm_align_mask = PAGE_SIZE - 1;	/* Sane caches */
+
+EXPORT_SYMBOL(shm_align_mask);
+
 /*
- * To avoid cache alias, we map the shard page with same color.
+ * To avoid cache aliases, we map the shared page with same color.
  */
-#define COLOUR_ALIGN(addr)	(((addr)+SHMLBA-1)&~(SHMLBA-1))
+#define COLOUR_ALIGN(addr, pgoff)				\
+	((((addr) + shm_align_mask) & ~shm_align_mask) +	\
+	 (((pgoff) << PAGE_SHIFT) & shm_align_mask))
 
 unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
 	unsigned long len, unsigned long pgoff, unsigned long flags)
@@ -56,43 +62,52 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
 	struct mm_struct *mm = current->mm;
 	struct vm_area_struct *vma;
 	unsigned long start_addr;
+	int do_colour_align;
 
 	if (flags & MAP_FIXED) {
 		/* We do not accept a shared mapping if it would violate
 		 * cache aliasing constraints.
 		 */
-		if ((flags & MAP_SHARED) && (addr & (SHMLBA - 1)))
+		if ((flags & MAP_SHARED) && (addr & shm_align_mask))
 			return -EINVAL;
 		return addr;
 	}
 
-	if (len > TASK_SIZE)
+	if (unlikely(len > TASK_SIZE))
 		return -ENOMEM;
 
+	do_colour_align = 0;
+	if (filp || (flags & MAP_SHARED))
+		do_colour_align = 1;
+
 	if (addr) {
-		if (flags & MAP_PRIVATE)
-			addr = PAGE_ALIGN(addr);
+		if (do_colour_align)
+			addr = COLOUR_ALIGN(addr, pgoff);
 		else
-			addr = COLOUR_ALIGN(addr);
+			addr = PAGE_ALIGN(addr);
+
 		vma = find_vma(mm, addr);
 		if (TASK_SIZE - len >= addr &&
 		    (!vma || addr + len <= vma->vm_start))
 			return addr;
 	}
-	if (len <= mm->cached_hole_size) {
+
+	if (len > mm->cached_hole_size) {
+		start_addr = addr = mm->free_area_cache;
+	} else {
 	        mm->cached_hole_size = 0;
-		mm->free_area_cache = TASK_UNMAPPED_BASE;
+		start_addr = addr = TASK_UNMAPPED_BASE;
 	}
-	if (flags & MAP_PRIVATE)
-		addr = PAGE_ALIGN(mm->free_area_cache);
-	else
-		addr = COLOUR_ALIGN(mm->free_area_cache);
-	start_addr = addr;
 
 full_search:
+	if (do_colour_align)
+		addr = COLOUR_ALIGN(addr, pgoff);
+	else
+		addr = PAGE_ALIGN(mm->free_area_cache);
+
 	for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {
 		/* At this point:  (!vma || addr < vma->vm_end). */
-		if (TASK_SIZE - len < addr) {
+		if (unlikely(TASK_SIZE - len < addr)) {
 			/*
 			 * Start a new search - just in case we missed
 			 * some holes.
@@ -104,7 +119,7 @@ full_search:
 			}
 			return -ENOMEM;
 		}
-		if (!vma || addr + len <= vma->vm_start) {
+		if (likely(!vma || addr + len <= vma->vm_start)) {
 			/*
 			 * Remember the place where we stopped the search:
 			 */
@@ -115,11 +130,10 @@ full_search:
 		        mm->cached_hole_size = vma->vm_start - addr;
 
 		addr = vma->vm_end;
-		if (!(flags & MAP_PRIVATE))
-			addr = COLOUR_ALIGN(addr);
+		if (do_colour_align)
+			addr = COLOUR_ALIGN(addr, pgoff);
 	}
 }
-#endif
 
 static inline long
 do_mmap2(unsigned long addr, unsigned long len, unsigned long prot, 
diff --git a/arch/sh/kernel/syscalls.S b/arch/sh/kernel/syscalls.S
new file mode 100644
index 000000000000..768334e95075
--- /dev/null
+++ b/arch/sh/kernel/syscalls.S
@@ -0,0 +1,353 @@
+/*
+ * arch/sh/kernel/syscalls.S
+ *
+ * System call table for SuperH
+ *
+ *  Copyright (C) 1999, 2000, 2002  Niibe Yutaka
+ *  Copyright (C) 2003  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ */
+#include <linux/sys.h>
+#include <linux/linkage.h>
+
+#if !defined(CONFIG_NFSD) && !defined(CONFIG_NFSD_MODULE)
+#define sys_nfsservctl		sys_ni_syscall
+#endif
+
+#if !defined(CONFIG_MMU)
+#define sys_madvise		sys_ni_syscall
+#define sys_readahead		sys_ni_syscall
+#define sys_mprotect		sys_ni_syscall
+#define sys_msync		sys_ni_syscall
+#define sys_mlock		sys_ni_syscall
+#define sys_munlock		sys_ni_syscall
+#define sys_mlockall		sys_ni_syscall
+#define sys_munlockall		sys_ni_syscall
+#define sys_mremap		sys_ni_syscall
+#define sys_mincore		sys_ni_syscall
+#define sys_remap_file_pages	sys_ni_syscall
+#endif
+
+	.data
+ENTRY(sys_call_table)
+	.long sys_restart_syscall	/* 0  -  old "setup()" system call*/
+	.long sys_exit
+	.long sys_fork
+	.long sys_read
+	.long sys_write
+	.long sys_open		/* 5 */
+	.long sys_close
+	.long sys_waitpid
+	.long sys_creat
+	.long sys_link
+	.long sys_unlink		/* 10 */
+	.long sys_execve
+	.long sys_chdir
+	.long sys_time
+	.long sys_mknod
+	.long sys_chmod		/* 15 */
+	.long sys_lchown16
+	.long sys_ni_syscall	/* old break syscall holder */
+	.long sys_stat
+	.long sys_lseek
+	.long sys_getpid		/* 20 */
+	.long sys_mount
+	.long sys_oldumount
+	.long sys_setuid16
+	.long sys_getuid16
+	.long sys_stime		/* 25 */
+	.long sys_ptrace
+	.long sys_alarm
+	.long sys_fstat
+	.long sys_pause
+	.long sys_utime		/* 30 */
+	.long sys_ni_syscall	/* old stty syscall holder */
+	.long sys_ni_syscall	/* old gtty syscall holder */
+	.long sys_access
+	.long sys_nice
+	.long sys_ni_syscall	/* 35 */		/* old ftime syscall holder */
+	.long sys_sync
+	.long sys_kill
+	.long sys_rename
+	.long sys_mkdir
+	.long sys_rmdir		/* 40 */
+	.long sys_dup
+	.long sys_pipe
+	.long sys_times
+	.long sys_ni_syscall	/* old prof syscall holder */
+	.long sys_brk		/* 45 */
+	.long sys_setgid16
+	.long sys_getgid16
+	.long sys_signal
+	.long sys_geteuid16
+	.long sys_getegid16	/* 50 */
+	.long sys_acct
+	.long sys_umount		/* recycled never used phys() */
+	.long sys_ni_syscall	/* old lock syscall holder */
+	.long sys_ioctl
+	.long sys_fcntl		/* 55 */
+	.long sys_ni_syscall	/* old mpx syscall holder */
+	.long sys_setpgid
+	.long sys_ni_syscall	/* old ulimit syscall holder */
+	.long sys_ni_syscall	/* sys_olduname */
+	.long sys_umask		/* 60 */
+	.long sys_chroot
+	.long sys_ustat
+	.long sys_dup2
+	.long sys_getppid
+	.long sys_getpgrp		/* 65 */
+	.long sys_setsid
+	.long sys_sigaction
+	.long sys_sgetmask
+	.long sys_ssetmask
+	.long sys_setreuid16	/* 70 */
+	.long sys_setregid16
+	.long sys_sigsuspend
+	.long sys_sigpending
+	.long sys_sethostname
+	.long sys_setrlimit	/* 75 */
+	.long sys_old_getrlimit
+	.long sys_getrusage
+	.long sys_gettimeofday
+	.long sys_settimeofday
+	.long sys_getgroups16	/* 80 */
+	.long sys_setgroups16
+	.long sys_ni_syscall	/* sys_oldselect */
+	.long sys_symlink
+	.long sys_lstat
+	.long sys_readlink		/* 85 */
+	.long sys_uselib
+	.long sys_swapon
+	.long sys_reboot
+	.long old_readdir
+	.long old_mmap		/* 90 */
+	.long sys_munmap
+	.long sys_truncate
+	.long sys_ftruncate
+	.long sys_fchmod
+	.long sys_fchown16		/* 95 */
+	.long sys_getpriority
+	.long sys_setpriority
+	.long sys_ni_syscall	/* old profil syscall holder */
+	.long sys_statfs
+	.long sys_fstatfs		/* 100 */
+	.long sys_ni_syscall	/* ioperm */
+	.long sys_socketcall
+	.long sys_syslog
+	.long sys_setitimer
+	.long sys_getitimer	/* 105 */
+	.long sys_newstat
+	.long sys_newlstat
+	.long sys_newfstat
+	.long sys_uname
+	.long sys_ni_syscall	/* 110 */ /* iopl */
+	.long sys_vhangup
+	.long sys_ni_syscall	/* idle */
+	.long sys_ni_syscall	/* vm86old */
+	.long sys_wait4
+	.long sys_swapoff		/* 115 */
+	.long sys_sysinfo
+	.long sys_ipc
+	.long sys_fsync
+	.long sys_sigreturn
+	.long sys_clone		/* 120 */
+	.long sys_setdomainname
+	.long sys_newuname
+	.long sys_ni_syscall	/* sys_modify_ldt */
+	.long sys_adjtimex
+	.long sys_mprotect		/* 125 */
+	.long sys_sigprocmask
+	.long sys_ni_syscall	/* old "create_module" */
+	.long sys_init_module
+	.long sys_delete_module
+	.long sys_ni_syscall	/* 130: old "get_kernel_syms" */
+	.long sys_quotactl
+	.long sys_getpgid
+	.long sys_fchdir
+	.long sys_bdflush
+	.long sys_sysfs		/* 135 */
+	.long sys_personality
+	.long sys_ni_syscall	/* for afs_syscall */
+	.long sys_setfsuid16
+	.long sys_setfsgid16
+	.long sys_llseek		/* 140 */
+	.long sys_getdents
+	.long sys_select
+	.long sys_flock
+	.long sys_msync
+	.long sys_readv		/* 145 */
+	.long sys_writev
+	.long sys_getsid
+	.long sys_fdatasync
+	.long sys_sysctl
+	.long sys_mlock		/* 150 */
+	.long sys_munlock
+	.long sys_mlockall
+	.long sys_munlockall
+	.long sys_sched_setparam
+	.long sys_sched_getparam   /* 155 */
+	.long sys_sched_setscheduler
+	.long sys_sched_getscheduler
+	.long sys_sched_yield
+	.long sys_sched_get_priority_max
+	.long sys_sched_get_priority_min  /* 160 */
+	.long sys_sched_rr_get_interval
+	.long sys_nanosleep
+	.long sys_mremap
+	.long sys_setresuid16
+	.long sys_getresuid16	/* 165 */
+	.long sys_ni_syscall	/* vm86 */
+	.long sys_ni_syscall	/* old "query_module" */
+	.long sys_poll
+	.long sys_nfsservctl
+	.long sys_setresgid16	/* 170 */
+	.long sys_getresgid16
+	.long sys_prctl
+	.long sys_rt_sigreturn
+	.long sys_rt_sigaction
+	.long sys_rt_sigprocmask	/* 175 */
+	.long sys_rt_sigpending
+	.long sys_rt_sigtimedwait
+	.long sys_rt_sigqueueinfo
+	.long sys_rt_sigsuspend
+	.long sys_pread_wrapper	   /* 180 */
+	.long sys_pwrite_wrapper
+	.long sys_chown16
+	.long sys_getcwd
+	.long sys_capget
+	.long sys_capset           /* 185 */
+	.long sys_sigaltstack
+	.long sys_sendfile
+	.long sys_ni_syscall	/* streams1 */
+	.long sys_ni_syscall	/* streams2 */
+	.long sys_vfork            /* 190 */
+	.long sys_getrlimit
+	.long sys_mmap2
+	.long sys_truncate64
+	.long sys_ftruncate64
+	.long sys_stat64		/* 195 */
+	.long sys_lstat64
+	.long sys_fstat64
+	.long sys_lchown
+	.long sys_getuid
+	.long sys_getgid		/* 200 */
+	.long sys_geteuid
+	.long sys_getegid
+	.long sys_setreuid
+	.long sys_setregid
+	.long sys_getgroups	/* 205 */
+	.long sys_setgroups
+	.long sys_fchown
+	.long sys_setresuid
+	.long sys_getresuid
+	.long sys_setresgid	/* 210 */
+	.long sys_getresgid
+	.long sys_chown
+	.long sys_setuid
+	.long sys_setgid
+	.long sys_setfsuid		/* 215 */
+	.long sys_setfsgid
+	.long sys_pivot_root
+	.long sys_mincore
+	.long sys_madvise
+	.long sys_getdents64	/* 220 */
+	.long sys_fcntl64
+	.long sys_ni_syscall	/* reserved for TUX */
+	.long sys_ni_syscall	/* Reserved for Security */
+	.long sys_gettid
+	.long sys_readahead	/* 225 */
+	.long sys_setxattr
+	.long sys_lsetxattr
+	.long sys_fsetxattr
+	.long sys_getxattr
+	.long sys_lgetxattr	/* 230 */
+	.long sys_fgetxattr
+	.long sys_listxattr
+	.long sys_llistxattr
+	.long sys_flistxattr
+	.long sys_removexattr	/* 235 */
+	.long sys_lremovexattr
+	.long sys_fremovexattr
+	.long sys_tkill
+	.long sys_sendfile64
+	.long sys_futex		/* 240 */
+	.long sys_sched_setaffinity
+	.long sys_sched_getaffinity
+	.long sys_ni_syscall
+	.long sys_ni_syscall
+	.long sys_io_setup	/* 245 */
+	.long sys_io_destroy
+	.long sys_io_getevents
+	.long sys_io_submit
+	.long sys_io_cancel
+	.long sys_fadvise64	/* 250 */
+	.long sys_ni_syscall
+	.long sys_exit_group
+	.long sys_lookup_dcookie
+	.long sys_epoll_create
+	.long sys_epoll_ctl	/* 255 */
+	.long sys_epoll_wait
+ 	.long sys_remap_file_pages
+ 	.long sys_set_tid_address
+ 	.long sys_timer_create
+ 	.long sys_timer_settime		/* 260 */
+ 	.long sys_timer_gettime
+ 	.long sys_timer_getoverrun
+ 	.long sys_timer_delete
+ 	.long sys_clock_settime
+ 	.long sys_clock_gettime		/* 265 */
+ 	.long sys_clock_getres
+ 	.long sys_clock_nanosleep
+	.long sys_statfs64
+	.long sys_fstatfs64
+	.long sys_tgkill		/* 270 */
+	.long sys_utimes
+ 	.long sys_fadvise64_64_wrapper
+	.long sys_ni_syscall	/* Reserved for vserver */
+	.long sys_ni_syscall	/* Reserved for mbind */
+	.long sys_ni_syscall	/* 275 - get_mempolicy */
+	.long sys_ni_syscall	/* set_mempolicy */
+	.long sys_mq_open
+	.long sys_mq_unlink
+	.long sys_mq_timedsend
+	.long sys_mq_timedreceive       /* 280 */
+	.long sys_mq_notify
+	.long sys_mq_getsetattr
+	.long sys_kexec_load
+	.long sys_waitid
+	.long sys_ni_syscall		/* 285 */
+	.long sys_add_key
+	.long sys_request_key
+	.long sys_keyctl
+	.long sys_ioprio_set
+	.long sys_ioprio_get		/* 290 */
+	.long sys_inotify_init
+	.long sys_inotify_add_watch
+	.long sys_inotify_rm_watch
+	.long sys_migrate_pages
+	.long sys_openat		/* 295 */
+	.long sys_mkdirat
+	.long sys_mknodat
+	.long sys_fchownat
+	.long sys_futimesat
+	.long sys_fstatat64		/* 300 */
+	.long sys_unlinkat
+	.long sys_renameat
+	.long sys_linkat
+	.long sys_symlinkat
+	.long sys_readlinkat		/* 305 */
+	.long sys_fchmodat
+	.long sys_faccessat
+	.long sys_pselect6
+	.long sys_ppoll
+	.long sys_unshare		/* 310 */
+	.long sys_set_robust_list
+	.long sys_get_robust_list
+	.long sys_splice
+	.long sys_sync_file_range
+	.long sys_tee			/* 315 */
+	.long sys_vmsplice
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index a1589f85499d..149d9713eddf 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -3,13 +3,12 @@
  *
  *  Copyright (C) 1999  Tetsuya Okada & Niibe Yutaka
  *  Copyright (C) 2000  Philipp Rumpf <prumpf@tux.org>
- *  Copyright (C) 2002, 2003, 2004, 2005  Paul Mundt
+ *  Copyright (C) 2002 - 2006  Paul Mundt
  *  Copyright (C) 2002  M. R. Brown  <mrbrown@linux-sh.org>
  *
  *  Some code taken from i386 version.
  *    Copyright (C) 1991, 1992, 1995  Linus Torvalds
  */
-
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -26,15 +25,20 @@ struct sys_timer *sys_timer;
 DEFINE_SPINLOCK(rtc_lock);
 EXPORT_SYMBOL(rtc_lock);
 
-/* XXX: Can we initialize this in a routine somewhere?  Dreamcast doesn't want
- * these routines anywhere... */
-#ifdef CONFIG_SH_RTC
-void (*rtc_get_time)(struct timespec *) = sh_rtc_gettimeofday;
-int (*rtc_set_time)(const time_t) = sh_rtc_settimeofday;
-#else
-void (*rtc_get_time)(struct timespec *);
-int (*rtc_set_time)(const time_t);
-#endif
+/* Dummy RTC ops */
+static void null_rtc_get_time(struct timespec *tv)
+{
+	tv->tv_sec = mktime(2000, 1, 1, 0, 0, 0);
+	tv->tv_nsec = 0;
+}
+
+static int null_rtc_set_time(const time_t secs)
+{
+	return 0;
+}
+
+void (*rtc_sh_get_time)(struct timespec *) = null_rtc_get_time;
+int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time;
 
 /*
  * Scheduler clock - returns current time in nanosec units.
@@ -70,7 +74,6 @@ void do_gettimeofday(struct timeval *tv)
 	tv->tv_sec = sec;
 	tv->tv_usec = usec;
 }
-
 EXPORT_SYMBOL(do_gettimeofday);
 
 int do_settimeofday(struct timespec *tv)
@@ -103,7 +106,6 @@ int do_settimeofday(struct timespec *tv)
 
 	return 0;
 }
-
 EXPORT_SYMBOL(do_settimeofday);
 
 /* last time the RTC clock got updated */
@@ -135,7 +137,7 @@ void handle_timer_tick(struct pt_regs *regs)
 	    xtime.tv_sec > last_rtc_update + 660 &&
 	    (xtime.tv_nsec / 1000) >= 500000 - ((unsigned) TICK_SIZE) / 2 &&
 	    (xtime.tv_nsec / 1000) <= 500000 + ((unsigned) TICK_SIZE) / 2) {
-		if (rtc_set_time(xtime.tv_sec) == 0)
+		if (rtc_sh_set_time(xtime.tv_sec) == 0)
 			last_rtc_update = xtime.tv_sec;
 		else
 			/* do it again in 60s */
@@ -143,8 +145,33 @@ void handle_timer_tick(struct pt_regs *regs)
 	}
 }
 
+#ifdef CONFIG_PM
+int timer_suspend(struct sys_device *dev, pm_message_t state)
+{
+	struct sys_timer *sys_timer = container_of(dev, struct sys_timer, dev);
+
+	sys_timer->ops->stop();
+
+	return 0;
+}
+
+int timer_resume(struct sys_device *dev)
+{
+	struct sys_timer *sys_timer = container_of(dev, struct sys_timer, dev);
+
+	sys_timer->ops->start();
+
+	return 0;
+}
+#else
+#define timer_suspend NULL
+#define timer_resume NULL
+#endif
+
 static struct sysdev_class timer_sysclass = {
 	set_kset_name("timer"),
+	.suspend = timer_suspend,
+	.resume	 = timer_resume,
 };
 
 static int __init timer_init_sysfs(void)
@@ -156,7 +183,6 @@ static int __init timer_init_sysfs(void)
 	sys_timer->dev.cls = &timer_sysclass;
 	return sysdev_register(&sys_timer->dev);
 }
-
 device_initcall(timer_init_sysfs);
 
 void (*board_time_init)(void);
@@ -168,15 +194,9 @@ void __init time_init(void)
 
 	clk_init();
 
-	if (rtc_get_time) {
-		rtc_get_time(&xtime);
-	} else {
-		xtime.tv_sec = mktime(2000, 1, 1, 0, 0, 0);
-		xtime.tv_nsec = 0;
-	}
-
-        set_normalized_timespec(&wall_to_monotonic,
-                                -xtime.tv_sec, -xtime.tv_nsec);
+	rtc_sh_get_time(&xtime);
+	set_normalized_timespec(&wall_to_monotonic,
+				-xtime.tv_sec, -xtime.tv_nsec);
 
 	/*
 	 * Find the timer to use as the system timer, it will be
diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c
index d4212add53b2..205816fcf0da 100644
--- a/arch/sh/kernel/timers/timer-tmu.c
+++ b/arch/sh/kernel/timers/timer-tmu.c
@@ -132,17 +132,17 @@ static unsigned long tmu_timer_get_frequency(void)
 	ctrl_outl(0xffffffff, TMU0_TCOR);
 	ctrl_outl(0xffffffff, TMU0_TCNT);
 
-	rtc_get_time(&ts2);
+	rtc_sh_get_time(&ts2);
 
 	do {
-		rtc_get_time(&ts1);
+		rtc_sh_get_time(&ts1);
 	} while (ts1.tv_nsec == ts2.tv_nsec && ts1.tv_sec == ts2.tv_sec);
 
 	/* actually start the timer */
 	ctrl_outb(TMU_TSTR_INIT, TMU_TSTR);
 
 	do {
-		rtc_get_time(&ts2);
+		rtc_sh_get_time(&ts2);
 	} while (ts1.tv_nsec == ts2.tv_nsec && ts1.tv_sec == ts2.tv_sec);
 
 	freq = 0xffffffff - ctrl_inl(TMU0_TCNT);
@@ -188,6 +188,18 @@ static struct clk tmu0_clk = {
 	.ops		= &tmu_clk_ops,
 };
 
+static int tmu_timer_start(void)
+{
+	ctrl_outb(TMU_TSTR_INIT, TMU_TSTR);
+	return 0;
+}
+
+static int tmu_timer_stop(void)
+{
+	ctrl_outb(0, TMU_TSTR);
+	return 0;
+}
+
 static int tmu_timer_init(void)
 {
 	unsigned long interval;
@@ -197,7 +209,7 @@ static int tmu_timer_init(void)
 	tmu0_clk.parent = clk_get("module_clk");
 
 	/* Start TMU0 */
-	ctrl_outb(0, TMU_TSTR);
+	tmu_timer_stop();
 #if !defined(CONFIG_CPU_SUBTYPE_SH7300) && !defined(CONFIG_CPU_SUBTYPE_SH7760)
 	ctrl_outb(TMU_TOCR_INIT, TMU_TOCR);
 #endif
@@ -211,13 +223,15 @@ static int tmu_timer_init(void)
 	ctrl_outl(interval, TMU0_TCOR);
 	ctrl_outl(interval, TMU0_TCNT);
 
-	ctrl_outb(TMU_TSTR_INIT, TMU_TSTR);
+	tmu_timer_start();
 
 	return 0;
 }
 
 struct sys_timer_ops tmu_timer_ops = {
 	.init		= tmu_timer_init,
+	.start		= tmu_timer_start,
+	.stop		= tmu_timer_stop,
 	.get_frequency	= tmu_timer_get_frequency,
 	.get_offset	= tmu_timer_get_offset,
 };
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index d9db1180f770..c2c597e09482 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -36,40 +36,15 @@
 
 #ifdef CONFIG_SH_KGDB
 #include <asm/kgdb.h>
-#define CHK_REMOTE_DEBUG(regs)                                               \
-{                                                                            \
-  if ((kgdb_debug_hook != (kgdb_debug_hook_t *) NULL) && (!user_mode(regs))) \
-  {                                                                          \
-    (*kgdb_debug_hook)(regs);                                                \
-  }                                                                          \
+#define CHK_REMOTE_DEBUG(regs)                 	\
+{       					\
+	if (kgdb_debug_hook && !user_mode(regs))\
+		(*kgdb_debug_hook)(regs);       \
 }
 #else
 #define CHK_REMOTE_DEBUG(regs)
 #endif
 
-#define DO_ERROR(trapnr, signr, str, name, tsk)				\
-asmlinkage void do_##name(unsigned long r4, unsigned long r5,		\
-			  unsigned long r6, unsigned long r7,		\
-			  struct pt_regs regs)				\
-{									\
-	unsigned long error_code;					\
- 									\
-	/* Check if it's a DSP instruction */				\
- 	if (is_dsp_inst(&regs)) {					\
-		/* Enable DSP mode, and restart instruction. */		\
-		regs.sr |= SR_DSP;					\
-		return;							\
-	}								\
-									\
-	asm volatile("stc	r2_bank, %0": "=r" (error_code));	\
-	local_irq_enable();						\
-	tsk->thread.error_code = error_code;				\
-	tsk->thread.trap_no = trapnr;					\
-        CHK_REMOTE_DEBUG(&regs);					\
-	force_sig(signr, tsk);						\
-	die_if_no_fixup(str,&regs,error_code);				\
-}
-
 #ifdef CONFIG_CPU_SH2
 #define TRAP_RESERVED_INST	4
 #define TRAP_ILLEGAL_SLOT_INST	6
@@ -86,7 +61,7 @@ asmlinkage void do_##name(unsigned long r4, unsigned long r5,		\
 #define VMALLOC_OFFSET (8*1024*1024)
 #define MODULE_RANGE (8*1024*1024)
 
-spinlock_t die_lock;
+DEFINE_SPINLOCK(die_lock);
 
 void die(const char * str, struct pt_regs * regs, long err)
 {
@@ -575,8 +550,117 @@ int is_dsp_inst(struct pt_regs *regs)
 #define is_dsp_inst(regs)	(0)
 #endif /* CONFIG_SH_DSP */
 
-DO_ERROR(TRAP_RESERVED_INST, SIGILL, "reserved instruction", reserved_inst, current)
-DO_ERROR(TRAP_ILLEGAL_SLOT_INST, SIGILL, "illegal slot instruction", illegal_slot_inst, current)
+extern int do_fpu_inst(unsigned short, struct pt_regs*);
+
+asmlinkage void do_reserved_inst(unsigned long r4, unsigned long r5,
+				unsigned long r6, unsigned long r7,
+				struct pt_regs regs)
+{
+	unsigned long error_code;
+	struct task_struct *tsk = current;
+
+#ifdef CONFIG_SH_FPU_EMU
+	unsigned short inst;
+	int err;
+
+	get_user(inst, (unsigned short*)regs.pc);
+
+	err = do_fpu_inst(inst, &regs);
+	if (!err) {
+		regs.pc += 2;
+		return;
+	}
+	/* not a FPU inst. */
+#endif
+
+#ifdef CONFIG_SH_DSP
+	/* Check if it's a DSP instruction */
+ 	if (is_dsp_inst(&regs)) {
+		/* Enable DSP mode, and restart instruction. */
+		regs.sr |= SR_DSP;
+		return;
+	}
+#endif
+
+	asm volatile("stc	r2_bank, %0": "=r" (error_code));
+	local_irq_enable();
+	tsk->thread.error_code = error_code;
+	tsk->thread.trap_no = TRAP_RESERVED_INST;
+	CHK_REMOTE_DEBUG(&regs);
+	force_sig(SIGILL, tsk);
+	die_if_no_fixup("reserved instruction", &regs, error_code);
+}
+
+#ifdef CONFIG_SH_FPU_EMU
+static int emulate_branch(unsigned short inst, struct pt_regs* regs)
+{
+	/*
+	 * bfs: 8fxx: PC+=d*2+4;
+	 * bts: 8dxx: PC+=d*2+4;
+	 * bra: axxx: PC+=D*2+4;
+	 * bsr: bxxx: PC+=D*2+4  after PR=PC+4;
+	 * braf:0x23: PC+=Rn*2+4;
+	 * bsrf:0x03: PC+=Rn*2+4 after PR=PC+4;
+	 * jmp: 4x2b: PC=Rn;
+	 * jsr: 4x0b: PC=Rn      after PR=PC+4;
+	 * rts: 000b: PC=PR;
+	 */
+	if ((inst & 0xfd00) == 0x8d00) {
+		regs->pc += SH_PC_8BIT_OFFSET(inst);
+		return 0;
+	}
+
+	if ((inst & 0xe000) == 0xa000) {
+		regs->pc += SH_PC_12BIT_OFFSET(inst);
+		return 0;
+	}
+
+	if ((inst & 0xf0df) == 0x0003) {
+		regs->pc += regs->regs[(inst & 0x0f00) >> 8] + 4;
+		return 0;
+	}
+
+	if ((inst & 0xf0df) == 0x400b) {
+		regs->pc = regs->regs[(inst & 0x0f00) >> 8];
+		return 0;
+	}
+
+	if ((inst & 0xffff) == 0x000b) {
+		regs->pc = regs->pr;
+		return 0;
+	}
+
+	return 1;
+}
+#endif
+
+asmlinkage void do_illegal_slot_inst(unsigned long r4, unsigned long r5,
+				unsigned long r6, unsigned long r7,
+				struct pt_regs regs)
+{
+	unsigned long error_code;
+	struct task_struct *tsk = current;
+#ifdef CONFIG_SH_FPU_EMU
+	unsigned short inst;
+
+	get_user(inst, (unsigned short *)regs.pc + 1);
+	if (!do_fpu_inst(inst, &regs)) {
+		get_user(inst, (unsigned short *)regs.pc);
+		if (!emulate_branch(inst, &regs))
+			return;
+		/* fault in branch.*/
+	}
+	/* not a FPU inst. */
+#endif
+
+	asm volatile("stc	r2_bank, %0": "=r" (error_code));
+	local_irq_enable();
+	tsk->thread.error_code = error_code;
+	tsk->thread.trap_no = TRAP_RESERVED_INST;
+	CHK_REMOTE_DEBUG(&regs);
+	force_sig(SIGILL, tsk);
+	die_if_no_fixup("illegal slot instruction", &regs, error_code);
+}
 
 asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
 				   unsigned long r6, unsigned long r7,
@@ -634,14 +718,16 @@ void __init trap_init(void)
 	exception_handling_table[TRAP_ILLEGAL_SLOT_INST]
 		= (void *)do_illegal_slot_inst;
 
-#ifdef CONFIG_CPU_SH4
-	if (!(cpu_data->flags & CPU_HAS_FPU)) {
-		/* For SH-4 lacking an FPU, treat floating point instructions
-		   as reserved. */
-		/* entry 64 corresponds to EXPEVT=0x800 */
-		exception_handling_table[64] = (void *)do_reserved_inst;
-		exception_handling_table[65] = (void *)do_illegal_slot_inst;
-	}
+#if defined(CONFIG_CPU_SH4) && !defined(CONFIG_SH_FPU) || \
+    defined(CONFIG_SH_FPU_EMU)
+	/*
+	 * For SH-4 lacking an FPU, treat floating point instructions as
+	 * reserved. They'll be handled in the math-emu case, or faulted on
+	 * otherwise.
+	 */
+	/* entry 64 corresponds to EXPEVT=0x800 */
+	exception_handling_table[64] = (void *)do_reserved_inst;
+	exception_handling_table[65] = (void *)do_illegal_slot_inst;
 #endif
 		
 	/* Setup VBR for boot cpu */
@@ -655,20 +741,12 @@ void show_stack(struct task_struct *tsk, unsigned long *sp)
 	unsigned long module_end = VMALLOC_END;
 	int i = 1;
 
-	if (tsk && !sp) {
+	if (!tsk)
+		tsk = current;
+	if (tsk == current)
+		sp = (unsigned long *)current_stack_pointer;
+	else
 		sp = (unsigned long *)tsk->thread.sp;
-	}
-
-	if (!sp) {
-		__asm__ __volatile__ (
-			"mov r15, %0\n\t"
-			"stc r7_bank, %1\n\t"
-			: "=r" (module_start),
-			  "=r" (module_end)
-		);
-		
-		sp = (unsigned long *)module_start;
-	}
 
 	stack = sp;
 
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index 95fdd9135fcf..5eb930918186 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -2,6 +2,7 @@
  * ld script to make SuperH Linux kernel
  * Written by Niibe Yutaka
  */
+#include <asm/thread_info.h>
 #include <asm-generic/vmlinux.lds.h>
 
 #ifdef CONFIG_CPU_LITTLE_ENDIAN
@@ -13,7 +14,7 @@ OUTPUT_ARCH(sh)
 ENTRY(_start)
 SECTIONS
 {
-  . = 0x80000000 + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET;
+  . = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET;
   _text = .;			/* Text and read-only data */
   text = .;			/* Text and read-only data */
   .empty_zero_page : {
@@ -40,16 +41,16 @@ SECTIONS
 	*(.data)
 
  	 /* Align the initial ramdisk image (INITRD) on page boundaries. */
- 	 . = ALIGN(4096);
+ 	 . = ALIGN(PAGE_SIZE);
  	 __rd_start = .;
  	 *(.initrd)
- 	 . = ALIGN(4096);
+ 	 . = ALIGN(PAGE_SIZE);
  	 __rd_end = .;
 
 	CONSTRUCTORS
 	}
 
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   .data.page_aligned : { *(.data.idt) }
 
   . = ALIGN(32);
@@ -60,12 +61,10 @@ SECTIONS
 
   _edata = .;			/* End of data section */
 
-  . = ALIGN(8192);		/* init_task */
+  . = ALIGN(THREAD_SIZE);		/* init_task */
   .data.init_task : { *(.data.init_task) }
-  /* stack */
-  .stack : { stack = .;  _stack = .; }
 
-  . = ALIGN(4096);		/* Init code and data */
+  . = ALIGN(PAGE_SIZE);		/* Init code and data */
   __init_begin = .;
   _sinittext = .;
   .init.text : { *(.init.text) }
@@ -96,7 +95,7 @@ SECTIONS
   __machvec_start = .;
   .init.machvec : { *(.init.machvec) }
   __machvec_end = .;
-  . = ALIGN(4096);
+  . = ALIGN(PAGE_SIZE);
   __init_end = .;
 
   . = ALIGN(4);
diff --git a/arch/sh/kernel/vsyscall/Makefile b/arch/sh/kernel/vsyscall/Makefile
new file mode 100644
index 000000000000..4bbce1cfa359
--- /dev/null
+++ b/arch/sh/kernel/vsyscall/Makefile
@@ -0,0 +1,36 @@
+obj-y += vsyscall.o vsyscall-syscall.o
+
+$(obj)/vsyscall-syscall.o: \
+	$(foreach F,trapa,$(obj)/vsyscall-$F.so)
+
+# Teach kbuild about targets
+targets += $(foreach F,trapa,vsyscall-$F.o vsyscall-$F.so)
+targets += vsyscall-note.o vsyscall.lds
+
+# The DSO images are built using a special linker script
+quiet_cmd_syscall = SYSCALL $@
+      cmd_syscall = $(CC) -nostdlib $(SYSCFLAGS_$(@F)) \
+			   -Wl,-T,$(filter-out FORCE,$^) -o $@
+
+export CPPFLAGS_vsyscall.lds += -P -C -Ush
+
+vsyscall-flags = -shared -s -Wl,-soname=linux-gate.so.1 \
+		$(call ld-option, -Wl$(comma)--hash-style=sysv)
+
+SYSCFLAGS_vsyscall-trapa.so	= $(vsyscall-flags)
+
+$(obj)/vsyscall-trapa.so: \
+$(obj)/vsyscall-%.so: $(src)/vsyscall.lds $(obj)/vsyscall-%.o FORCE
+	$(call if_changed,syscall)
+
+# We also create a special relocatable object that should mirror the symbol
+# table and layout of the linked DSO.  With ld -R we can then refer to
+# these symbols in the kernel code rather than hand-coded addresses.
+extra-y += vsyscall-syms.o
+$(obj)/built-in.o: $(obj)/vsyscall-syms.o
+$(obj)/built-in.o: ld_flags += -R $(obj)/vsyscall-syms.o
+
+SYSCFLAGS_vsyscall-syms.o = -r
+$(obj)/vsyscall-syms.o: $(src)/vsyscall.lds \
+			$(obj)/vsyscall-trapa.o $(obj)/vsyscall-note.o FORCE
+	$(call if_changed,syscall)
diff --git a/arch/sh/kernel/vsyscall/vsyscall-note.S b/arch/sh/kernel/vsyscall/vsyscall-note.S
new file mode 100644
index 000000000000..d4b5be4f3d5f
--- /dev/null
+++ b/arch/sh/kernel/vsyscall/vsyscall-note.S
@@ -0,0 +1,25 @@
+/*
+ * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text.
+ * Here we can supply some information useful to userland.
+ */
+
+#include <linux/uts.h>
+#include <linux/version.h>
+
+#define ASM_ELF_NOTE_BEGIN(name, flags, vendor, type)			      \
+	.section name, flags;						      \
+	.balign 4;							      \
+	.long 1f - 0f;		/* name length */			      \
+	.long 3f - 2f;		/* data length */			      \
+	.long type;		/* note type */				      \
+0:	.asciz vendor;		/* vendor name */			      \
+1:	.balign 4;							      \
+2:
+
+#define ASM_ELF_NOTE_END						      \
+3:	.balign 4;		/* pad out section */			      \
+	.previous
+
+	ASM_ELF_NOTE_BEGIN(".note.kernel-version", "a", UTS_SYSNAME, 0)
+	.long LINUX_VERSION_CODE
+	ASM_ELF_NOTE_END
diff --git a/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S b/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S
new file mode 100644
index 000000000000..555a64f124ca
--- /dev/null
+++ b/arch/sh/kernel/vsyscall/vsyscall-sigreturn.S
@@ -0,0 +1,39 @@
+#include <asm/unistd.h>
+
+	.text
+	.balign 32
+	.globl __kernel_sigreturn
+	.type __kernel_sigreturn,@function
+__kernel_sigreturn:
+.LSTART_sigreturn:
+	mov.w	1f, r3
+	trapa	#0x10
+	or	r0, r0
+	or	r0, r0
+	or	r0, r0
+	or	r0, r0
+	or	r0, r0
+
+1:	.short	__NR_sigreturn
+.LEND_sigreturn:
+	.size __kernel_sigreturn,.-.LSTART_sigreturn
+
+	.balign 32
+	.globl __kernel_rt_sigreturn
+	.type __kernel_rt_sigreturn,@function
+__kernel_rt_sigreturn:
+.LSTART_rt_sigreturn:
+	mov.w	1f, r3
+	trapa	#0x10
+	or	r0, r0
+	or	r0, r0
+	or	r0, r0
+	or	r0, r0
+	or	r0, r0
+
+1:	.short	__NR_rt_sigreturn
+.LEND_rt_sigreturn:
+	.size __kernel_rt_sigreturn,.-.LSTART_rt_sigreturn
+
+	.section .eh_frame,"a",@progbits
+	.previous
diff --git a/arch/sh/kernel/vsyscall/vsyscall-syscall.S b/arch/sh/kernel/vsyscall/vsyscall-syscall.S
new file mode 100644
index 000000000000..c2ac7f0282b3
--- /dev/null
+++ b/arch/sh/kernel/vsyscall/vsyscall-syscall.S
@@ -0,0 +1,10 @@
+#include <linux/init.h>
+
+__INITDATA
+
+	.globl vsyscall_trapa_start, vsyscall_trapa_end
+vsyscall_trapa_start:
+	.incbin "arch/sh/kernel/vsyscall/vsyscall-trapa.so"
+vsyscall_trapa_end:
+
+__FINIT
diff --git a/arch/sh/kernel/vsyscall/vsyscall-trapa.S b/arch/sh/kernel/vsyscall/vsyscall-trapa.S
new file mode 100644
index 000000000000..3b6eb34c43fa
--- /dev/null
+++ b/arch/sh/kernel/vsyscall/vsyscall-trapa.S
@@ -0,0 +1,42 @@
+	.text
+	.globl __kernel_vsyscall
+	.type __kernel_vsyscall,@function
+__kernel_vsyscall:
+.LSTART_vsyscall:
+	/* XXX: We'll have to do something here once we opt to use the vDSO
+	 * page for something other than the signal trampoline.. as well as
+	 * fill out .eh_frame -- PFM. */
+.LEND_vsyscall:
+	.size __kernel_vsyscall,.-.LSTART_vsyscall
+	.previous
+
+	.section .eh_frame,"a",@progbits
+.LCIE:
+	.ualong	.LCIE_end - .LCIE_start
+.LCIE_start:
+	.ualong	0		/* CIE ID */
+	.byte	0x1		/* Version number */
+	.string	"zRS"		/* NUL-terminated augmentation string */
+	.uleb128 0x1		/* Code alignment factor */
+	.sleb128 -4		/* Data alignment factor */
+	.byte	0x11		/* Return address register column */
+				/* Augmentation length and data (none) */
+	.byte	0xc		/* DW_CFA_def_cfa */
+	.uleb128 0xf		/* r15 */
+	.uleb128 0x0		/* offset 0 */
+
+	.align 2
+.LCIE_end:
+
+	.ualong	.LFDE_end-.LFDE_start	/* Length FDE */
+.LFDE_start:
+	.ualong	.LCIE			/* CIE pointer */
+	.ualong	.LSTART_vsyscall-.	/* start address */
+	.ualong	.LEND_vsyscall-.LSTART_vsyscall
+	.uleb128 0
+	.align 2
+.LFDE_end:
+	.previous
+
+/* Get the common code for the sigreturn entry points */
+#include "vsyscall-sigreturn.S"
diff --git a/arch/sh/kernel/vsyscall/vsyscall.c b/arch/sh/kernel/vsyscall/vsyscall.c
new file mode 100644
index 000000000000..075d6cc1a2d7
--- /dev/null
+++ b/arch/sh/kernel/vsyscall/vsyscall.c
@@ -0,0 +1,150 @@
+/*
+ * arch/sh/kernel/vsyscall.c
+ *
+ *  Copyright (C) 2006 Paul Mundt
+ *
+ * vDSO randomization
+ * Copyright(C) 2005-2006, Red Hat, Inc., Ingo Molnar
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/gfp.h>
+#include <linux/module.h>
+#include <linux/elf.h>
+
+/*
+ * Should the kernel map a VDSO page into processes and pass its
+ * address down to glibc upon exec()?
+ */
+unsigned int __read_mostly vdso_enabled = 1;
+EXPORT_SYMBOL_GPL(vdso_enabled);
+
+static int __init vdso_setup(char *s)
+{
+	vdso_enabled = simple_strtoul(s, NULL, 0);
+	return 1;
+}
+__setup("vdso=", vdso_setup);
+
+/*
+ * These symbols are defined by vsyscall.o to mark the bounds
+ * of the ELF DSO images included therein.
+ */
+extern const char vsyscall_trapa_start, vsyscall_trapa_end;
+static void *syscall_page;
+
+int __init vsyscall_init(void)
+{
+	syscall_page = (void *)get_zeroed_page(GFP_ATOMIC);
+
+	/*
+	 * XXX: Map this page to a fixmap entry if we get around
+	 * to adding the page to ELF core dumps
+	 */
+
+	memcpy(syscall_page,
+	       &vsyscall_trapa_start,
+	       &vsyscall_trapa_end - &vsyscall_trapa_start);
+
+	return 0;
+}
+
+static struct page *syscall_vma_nopage(struct vm_area_struct *vma,
+				       unsigned long address, int *type)
+{
+	unsigned long offset = address - vma->vm_start;
+	struct page *page;
+
+	if (address < vma->vm_start || address > vma->vm_end)
+		return NOPAGE_SIGBUS;
+
+	page = virt_to_page(syscall_page + offset);
+
+	get_page(page);
+
+	return page;
+}
+
+/* Prevent VMA merging */
+static void syscall_vma_close(struct vm_area_struct *vma)
+{
+}
+
+static struct vm_operations_struct syscall_vm_ops = {
+	.nopage	= syscall_vma_nopage,
+	.close	= syscall_vma_close,
+};
+
+/* Setup a VMA at program startup for the vsyscall page */
+int arch_setup_additional_pages(struct linux_binprm *bprm,
+				int executable_stack)
+{
+	struct vm_area_struct *vma;
+	struct mm_struct *mm = current->mm;
+	unsigned long addr;
+	int ret;
+
+	down_write(&mm->mmap_sem);
+	addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, 0);
+	if (IS_ERR_VALUE(addr)) {
+		ret = addr;
+		goto up_fail;
+	}
+
+	vma = kmem_cache_zalloc(vm_area_cachep, SLAB_KERNEL);
+	if (!vma) {
+		ret = -ENOMEM;
+		goto up_fail;
+	}
+
+	vma->vm_start = addr;
+	vma->vm_end = addr + PAGE_SIZE;
+	/* MAYWRITE to allow gdb to COW and set breakpoints */
+	vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYEXEC|VM_MAYWRITE;
+	vma->vm_flags |= mm->def_flags;
+	vma->vm_page_prot = protection_map[vma->vm_flags & 7];
+	vma->vm_ops = &syscall_vm_ops;
+	vma->vm_mm = mm;
+
+	ret = insert_vm_struct(mm, vma);
+	if (unlikely(ret)) {
+		kmem_cache_free(vm_area_cachep, vma);
+		goto up_fail;
+	}
+
+	current->mm->context.vdso = (void *)addr;
+
+	mm->total_vm++;
+up_fail:
+	up_write(&mm->mmap_sem);
+	return ret;
+}
+
+const char *arch_vma_name(struct vm_area_struct *vma)
+{
+	if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso)
+		return "[vdso]";
+
+	return NULL;
+}
+
+struct vm_area_struct *get_gate_vma(struct task_struct *task)
+{
+	return NULL;
+}
+
+int in_gate_area(struct task_struct *task, unsigned long address)
+{
+	return 0;
+}
+
+int in_gate_area_no_task(unsigned long address)
+{
+	return 0;
+}
diff --git a/arch/sh/kernel/vsyscall/vsyscall.lds.S b/arch/sh/kernel/vsyscall/vsyscall.lds.S
new file mode 100644
index 000000000000..b13c3d439fee
--- /dev/null
+++ b/arch/sh/kernel/vsyscall/vsyscall.lds.S
@@ -0,0 +1,74 @@
+/*
+ * Linker script for vsyscall DSO.  The vsyscall page is an ELF shared
+ * object prelinked to its virtual address, and with only one read-only
+ * segment (that fits in one page).  This script controls its layout.
+ */
+#include <asm/asm-offsets.h>
+
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
+#else
+OUTPUT_FORMAT("elf32-shbig-linux", "elf32-shbig-linux", "elf32-shbig-linux")
+#endif
+OUTPUT_ARCH(sh)
+
+/* The ELF entry point can be used to set the AT_SYSINFO value.  */
+ENTRY(__kernel_vsyscall);
+
+SECTIONS
+{
+  . = SIZEOF_HEADERS;
+
+  .hash           : { *(.hash) }		:text
+  .gnu.hash       : { *(.gnu.hash) }
+  .dynsym         : { *(.dynsym) }
+  .dynstr         : { *(.dynstr) }
+  .gnu.version    : { *(.gnu.version) }
+  .gnu.version_d  : { *(.gnu.version_d) }
+  .gnu.version_r  : { *(.gnu.version_r) }
+
+  /* This linker script is used both with -r and with -shared.
+     For the layouts to match, we need to skip more than enough
+     space for the dynamic symbol table et al.  If this amount
+     is insufficient, ld -shared will barf.  Just increase it here.  */
+  . = 0x400;
+
+  .text           : { *(.text) }		:text =0x90909090
+  .note		  : { *(.note.*) }		:text :note
+  .eh_frame_hdr   : { *(.eh_frame_hdr) }	:text :eh_frame_hdr
+  .eh_frame       : { KEEP (*(.eh_frame)) }	:text
+  .dynamic        : { *(.dynamic) }		:text :dynamic
+  .useless        : {
+  	*(.got.plt) *(.got)
+	*(.data .data.* .gnu.linkonce.d.*)
+	*(.dynbss)
+	*(.bss .bss.* .gnu.linkonce.b.*)
+  }						:text
+}
+
+/*
+ * We must supply the ELF program headers explicitly to get just one
+ * PT_LOAD segment, and set the flags explicitly to make segments read-only.
+ */
+PHDRS
+{
+  text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
+  dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
+  note PT_NOTE FLAGS(4); /* PF_R */
+  eh_frame_hdr 0x6474e550; /* PT_GNU_EH_FRAME, but ld doesn't match the name */
+}
+
+/*
+ * This controls what symbols we export from the DSO.
+ */
+VERSION
+{
+  LINUX_2.6 {
+    global:
+    	__kernel_vsyscall;
+    	__kernel_sigreturn;
+    	__kernel_rt_sigreturn;
+
+    local: *;
+  };
+}
diff --git a/arch/sh/lib/checksum.S b/arch/sh/lib/checksum.S
index 7c50dfe68c07..cbdd0d40e545 100644
--- a/arch/sh/lib/checksum.S
+++ b/arch/sh/lib/checksum.S
@@ -202,8 +202,9 @@ ENTRY(csum_partial_copy_generic)
 	cmp/pz	r6		! Jump if we had at least two bytes.
 	bt/s	1f
 	 clrt
+	add	#2,r6		! r6 was < 2.	Deal with it.
 	bra	4f
-	 add	#2,r6		! r6 was < 2.	Deal with it.
+	 mov	r6,r2
 
 3:	! Handle different src and dest alignments.
 	! This is not common, so simple byte by byte copy will do.
diff --git a/arch/sh/lib/memcpy-sh4.S b/arch/sh/lib/memcpy-sh4.S
index db6b736537ad..560bc17eebdd 100644
--- a/arch/sh/lib/memcpy-sh4.S
+++ b/arch/sh/lib/memcpy-sh4.S
@@ -727,8 +727,8 @@ ENTRY(memcpy)
 	mov.l	@(0x04,r5), r11	!  18 LS (latency=2)
 	xtrct	r9, r8		!  48 EX
 
-	mov.w	@(0x02,r5), r12	!  18 LS (latency=2)
-	xtrct	r10, r9		!  48 EX
+	mov.l   @(0x00,r5), r12 !  18 LS (latency=2)
+    	xtrct	r10, r9		!  48 EX
 
 	movca.l	r0,@r1		!  40 LS (latency=3-7)
 	add	#-0x1c, r1	!  50 EX
diff --git a/arch/sh/lib/memset.S b/arch/sh/lib/memset.S
index 95670090680e..af91fe2b72a6 100644
--- a/arch/sh/lib/memset.S
+++ b/arch/sh/lib/memset.S
@@ -29,6 +29,7 @@ ENTRY(memset)
 	bf/s	1b
 	 mov.b	r5,@-r4
 2:				! make VVVV
+	extu.b	r5,r5
 	swap.b	r5,r0		!   V0
 	or	r0,r5		!   VV
 	swap.w	r5,r0		! VV00
diff --git a/arch/sh/math-emu/Makefile b/arch/sh/math-emu/Makefile
new file mode 100644
index 000000000000..638b342c781a
--- /dev/null
+++ b/arch/sh/math-emu/Makefile
@@ -0,0 +1 @@
+obj-y	:= math.o
diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c
new file mode 100644
index 000000000000..26b6046814fd
--- /dev/null
+++ b/arch/sh/math-emu/math.c
@@ -0,0 +1,624 @@
+/*
+ * arch/sh/math-emu/math.c
+ *
+ * Copyright (C) 2006 Takashi YOSHII <takasi-y@ops.dti.ne.jp>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/signal.h>
+
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+
+#include "sfp-util.h"
+#include <math-emu/soft-fp.h>
+#include <math-emu/single.h>
+#include <math-emu/double.h>
+
+#define	FPUL		(fregs->fpul)
+#define FPSCR		(fregs->fpscr)
+#define FPSCR_RM	(FPSCR&3)
+#define FPSCR_DN	((FPSCR>>18)&1)
+#define FPSCR_PR	((FPSCR>>19)&1)
+#define FPSCR_SZ	((FPSCR>>20)&1)
+#define FPSCR_FR	((FPSCR>>21)&1)
+#define FPSCR_MASK	0x003fffffUL
+
+#define BANK(n)	(n^(FPSCR_FR?16:0))
+#define FR	((unsigned long*)(fregs->fp_regs))
+#define FR0	(FR[BANK(0)])
+#define FRn	(FR[BANK(n)])
+#define FRm	(FR[BANK(m)])
+#define DR	((unsigned long long*)(fregs->fp_regs))
+#define DRn	(DR[BANK(n)/2])
+#define DRm	(DR[BANK(m)/2])
+
+#define XREG(n)	(n^16)
+#define XFn	(FR[BANK(XREG(n))])
+#define XFm	(FR[BANK(XREG(m))])
+#define XDn	(DR[BANK(XREG(n))/2])
+#define XDm	(DR[BANK(XREG(m))/2])
+
+#define R0	(regs->regs[0])
+#define Rn	(regs->regs[n])
+#define Rm	(regs->regs[m])
+
+#define WRITE(d,a)	({if(put_user(d, (typeof (d)*)a)) return -EFAULT;})
+#define READ(d,a)	({if(get_user(d, (typeof (d)*)a)) return -EFAULT;})
+
+#define PACK_S(r,f)	FP_PACK_SP(&r,f)
+#define UNPACK_S(f,r)	FP_UNPACK_SP(f,&r)
+#define PACK_D(r,f) \
+	{u32 t[2]; FP_PACK_DP(t,f); ((u32*)&r)[0]=t[1]; ((u32*)&r)[1]=t[0];}
+#define UNPACK_D(f,r) \
+	{u32 t[2]; t[0]=((u32*)&r)[1]; t[1]=((u32*)&r)[0]; FP_UNPACK_DP(f,t);}
+
+// 2 args instructions.
+#define BOTH_PRmn(op,x) \
+	FP_DECL_EX; if(FPSCR_PR) op(D,x,DRm,DRn); else op(S,x,FRm,FRn);
+
+#define CMP_X(SZ,R,M,N) do{ \
+	FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \
+	UNPACK_##SZ(Fm, M); UNPACK_##SZ(Fn, N); \
+	FP_CMP_##SZ(R, Fn, Fm, 2); }while(0)
+#define EQ_X(SZ,R,M,N) do{ \
+	FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \
+	UNPACK_##SZ(Fm, M); UNPACK_##SZ(Fn, N); \
+	FP_CMP_EQ_##SZ(R, Fn, Fm); }while(0)
+#define CMP(OP) ({ int r; BOTH_PRmn(OP##_X,r); r; })
+
+static int
+fcmp_gt(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m, int n)
+{
+	if (CMP(CMP) > 0)
+		regs->sr |= 1;
+	else
+		regs->sr &= ~1;
+
+	return 0;
+}
+
+static int
+fcmp_eq(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m, int n)
+{
+	if (CMP(CMP /*EQ*/) == 0)
+		regs->sr |= 1;
+	else
+		regs->sr &= ~1;
+	return 0;
+}
+
+#define ARITH_X(SZ,OP,M,N) do{ \
+	FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); FP_DECL_##SZ(Fr); \
+	UNPACK_##SZ(Fm, M); UNPACK_##SZ(Fn, N); \
+	FP_##OP##_##SZ(Fr, Fn, Fm); \
+	PACK_##SZ(N, Fr); }while(0)
+
+static int
+fadd(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m, int n)
+{
+	BOTH_PRmn(ARITH_X, ADD);
+	return 0;
+}
+
+static int
+fsub(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m, int n)
+{
+	BOTH_PRmn(ARITH_X, SUB);
+	return 0;
+}
+
+static int
+fmul(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m, int n)
+{
+	BOTH_PRmn(ARITH_X, MUL);
+	return 0;
+}
+
+static int
+fdiv(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m, int n)
+{
+	BOTH_PRmn(ARITH_X, DIV);
+	return 0;
+}
+
+static int
+fmac(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m, int n)
+{
+	FP_DECL_EX;
+	FP_DECL_S(Fr);
+	FP_DECL_S(Ft);
+	FP_DECL_S(F0);
+	FP_DECL_S(Fm);
+	FP_DECL_S(Fn);
+	UNPACK_S(F0, FR0);
+	UNPACK_S(Fm, FRm);
+	UNPACK_S(Fn, FRn);
+	FP_MUL_S(Ft, Fm, F0);
+	FP_ADD_S(Fr, Fn, Ft);
+	PACK_S(FRn, Fr);
+	return 0;
+}
+
+// to process fmov's extention (odd n for DR access XD).
+#define FMOV_EXT(x) if(x&1) x+=16-1
+
+static int
+fmov_idx_reg(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m,
+	     int n)
+{
+	if (FPSCR_SZ) {
+		FMOV_EXT(n);
+		READ(FRn, Rm + R0 + 4);
+		n++;
+		READ(FRn, Rm + R0);
+	} else {
+		READ(FRn, Rm + R0);
+	}
+
+	return 0;
+}
+
+static int
+fmov_mem_reg(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m,
+	     int n)
+{
+	if (FPSCR_SZ) {
+		FMOV_EXT(n);
+		READ(FRn, Rm + 4);
+		n++;
+		READ(FRn, Rm);
+	} else {
+		READ(FRn, Rm);
+	}
+
+	return 0;
+}
+
+static int
+fmov_inc_reg(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m,
+	     int n)
+{
+	if (FPSCR_SZ) {
+		FMOV_EXT(n);
+		READ(FRn, Rm + 4);
+		n++;
+		READ(FRn, Rm);
+		Rm += 8;
+	} else {
+		READ(FRn, Rm);
+		Rm += 4;
+	}
+
+	return 0;
+}
+
+static int
+fmov_reg_idx(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m,
+	     int n)
+{
+	if (FPSCR_SZ) {
+		FMOV_EXT(m);
+		WRITE(FRm, Rn + R0 + 4);
+		m++;
+		WRITE(FRm, Rn + R0);
+	} else {
+		WRITE(FRm, Rn + R0);
+	}
+
+	return 0;
+}
+
+static int
+fmov_reg_mem(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m,
+	     int n)
+{
+	if (FPSCR_SZ) {
+		FMOV_EXT(m);
+		WRITE(FRm, Rn + 4);
+		m++;
+		WRITE(FRm, Rn);
+	} else {
+		WRITE(FRm, Rn);
+	}
+
+	return 0;
+}
+
+static int
+fmov_reg_dec(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m,
+	     int n)
+{
+	if (FPSCR_SZ) {
+		FMOV_EXT(m);
+		Rn -= 8;
+		WRITE(FRm, Rn + 4);
+		m++;
+		WRITE(FRm, Rn);
+	} else {
+		Rn -= 4;
+		WRITE(FRm, Rn);
+	}
+
+	return 0;
+}
+
+static int
+fmov_reg_reg(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m,
+	     int n)
+{
+	if (FPSCR_SZ) {
+		FMOV_EXT(m);
+		FMOV_EXT(n);
+		DRn = DRm;
+	} else {
+		FRn = FRm;
+	}
+
+	return 0;
+}
+
+static int
+fnop_mn(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int m, int n)
+{
+	return -EINVAL;
+}
+
+// 1 arg instructions.
+#define NOTYETn(i) static int i(struct sh_fpu_soft_struct *fregs, int n) \
+	{ printk( #i " not yet done.\n"); return 0; }
+
+NOTYETn(ftrv)
+NOTYETn(fsqrt)
+NOTYETn(fipr)
+NOTYETn(fsca)
+NOTYETn(fsrra)
+
+#define EMU_FLOAT_X(SZ,N) do { \
+	FP_DECL_##SZ(Fn); \
+	FP_FROM_INT_##SZ(Fn, FPUL, 32, int); \
+	PACK_##SZ(N, Fn); }while(0)
+static int ffloat(struct sh_fpu_soft_struct *fregs, int n)
+{
+	FP_DECL_EX;
+
+	if (FPSCR_PR)
+		EMU_FLOAT_X(D, DRn);
+	else
+		EMU_FLOAT_X(S, FRn);
+
+	return 0;
+}
+
+#define EMU_FTRC_X(SZ,N) do { \
+	FP_DECL_##SZ(Fn); \
+	UNPACK_##SZ(Fn, N); \
+	FP_TO_INT_##SZ(FPUL, Fn, 32, 1); }while(0)
+static int ftrc(struct sh_fpu_soft_struct *fregs, int n)
+{
+	FP_DECL_EX;
+
+	if (FPSCR_PR)
+		EMU_FTRC_X(D, DRn);
+	else
+		EMU_FTRC_X(S, FRn);
+
+	return 0;
+}
+
+static int fcnvsd(struct sh_fpu_soft_struct *fregs, int n)
+{
+	FP_DECL_EX;
+	FP_DECL_S(Fn);
+	FP_DECL_D(Fr);
+	UNPACK_S(Fn, FPUL);
+	FP_CONV(D, S, 2, 1, Fr, Fn);
+	PACK_D(DRn, Fr);
+	return 0;
+}
+
+static int fcnvds(struct sh_fpu_soft_struct *fregs, int n)
+{
+	FP_DECL_EX;
+	FP_DECL_D(Fn);
+	FP_DECL_S(Fr);
+	UNPACK_D(Fn, DRn);
+	FP_CONV(S, D, 1, 2, Fr, Fn);
+	PACK_S(FPUL, Fr);
+	return 0;
+}
+
+static int fxchg(struct sh_fpu_soft_struct *fregs, int flag)
+{
+	FPSCR ^= flag;
+	return 0;
+}
+
+static int fsts(struct sh_fpu_soft_struct *fregs, int n)
+{
+	FRn = FPUL;
+	return 0;
+}
+
+static int flds(struct sh_fpu_soft_struct *fregs, int n)
+{
+	FPUL = FRn;
+	return 0;
+}
+
+static int fneg(struct sh_fpu_soft_struct *fregs, int n)
+{
+	FRn ^= (1 << (_FP_W_TYPE_SIZE - 1));
+	return 0;
+}
+
+static int fabs(struct sh_fpu_soft_struct *fregs, int n)
+{
+	FRn &= ~(1 << (_FP_W_TYPE_SIZE - 1));
+	return 0;
+}
+
+static int fld0(struct sh_fpu_soft_struct *fregs, int n)
+{
+	FRn = 0;
+	return 0;
+}
+
+static int fld1(struct sh_fpu_soft_struct *fregs, int n)
+{
+	FRn = (_FP_EXPBIAS_S << (_FP_FRACBITS_S - 1));
+	return 0;
+}
+
+static int fnop_n(struct sh_fpu_soft_struct *fregs, int n)
+{
+	return -EINVAL;
+}
+
+/// Instruction decoders.
+
+static int id_fxfd(struct sh_fpu_soft_struct *, int);
+static int id_fnxd(struct sh_fpu_soft_struct *, struct pt_regs *, int, int);
+
+static int (*fnxd[])(struct sh_fpu_soft_struct *, int) = {
+	fsts, flds, ffloat, ftrc, fneg, fabs, fsqrt, fsrra,
+	fld0, fld1, fcnvsd, fcnvds, fnop_n, fnop_n, fipr, id_fxfd
+};
+
+static int (*fnmx[])(struct sh_fpu_soft_struct *, struct pt_regs *, int, int) = {
+	fadd, fsub, fmul, fdiv, fcmp_eq, fcmp_gt, fmov_idx_reg, fmov_reg_idx,
+	fmov_mem_reg, fmov_inc_reg, fmov_reg_mem, fmov_reg_dec,
+	fmov_reg_reg, id_fnxd, fmac, fnop_mn};
+
+static int id_fxfd(struct sh_fpu_soft_struct *fregs, int x)
+{
+	const int flag[] = { FPSCR_SZ, FPSCR_PR, FPSCR_FR, 0 };
+	switch (x & 3) {
+	case 3:
+		fxchg(fregs, flag[x >> 2]);
+		break;
+	case 1:
+		ftrv(fregs, x - 1);
+		break;
+	default:
+		fsca(fregs, x);
+	}
+	return 0;
+}
+
+static int
+id_fnxd(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, int x, int n)
+{
+	return (fnxd[x])(fregs, n);
+}
+
+static int
+id_fnmx(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, u16 code)
+{
+	int n = (code >> 8) & 0xf, m = (code >> 4) & 0xf, x = code & 0xf;
+	return (fnmx[x])(fregs, regs, m, n);
+}
+
+static int
+id_sys(struct sh_fpu_soft_struct *fregs, struct pt_regs *regs, u16 code)
+{
+	int n = ((code >> 8) & 0xf);
+	unsigned long *reg = (code & 0x0010) ? &FPUL : &FPSCR;
+
+	switch (code & 0xf0ff) {
+	case 0x005a:
+	case 0x006a:
+		Rn = *reg;
+		break;
+	case 0x405a:
+	case 0x406a:
+		*reg = Rn;
+		break;
+	case 0x4052:
+	case 0x4062:
+		Rn -= 4;
+		WRITE(*reg, Rn);
+		break;
+	case 0x4056:
+	case 0x4066:
+		READ(*reg, Rn);
+		Rn += 4;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int fpu_emulate(u16 code, struct sh_fpu_soft_struct *fregs, struct pt_regs *regs)
+{
+	if ((code & 0xf000) == 0xf000)
+		return id_fnmx(fregs, regs, code);
+	else
+		return id_sys(fregs, regs, code);
+}
+
+/**
+ *	denormal_to_double - Given denormalized float number,
+ *	                     store double float
+ *
+ *	@fpu: Pointer to sh_fpu_hard structure
+ *	@n: Index to FP register
+ */
+static void denormal_to_double(struct sh_fpu_hard_struct *fpu, int n)
+{
+	unsigned long du, dl;
+	unsigned long x = fpu->fpul;
+	int exp = 1023 - 126;
+
+	if (x != 0 && (x & 0x7f800000) == 0) {
+		du = (x & 0x80000000);
+		while ((x & 0x00800000) == 0) {
+			x <<= 1;
+			exp--;
+		}
+		x &= 0x007fffff;
+		du |= (exp << 20) | (x >> 3);
+		dl = x << 29;
+
+		fpu->fp_regs[n] = du;
+		fpu->fp_regs[n+1] = dl;
+	}
+}
+
+/**
+ *	ieee_fpe_handler - Handle denormalized number exception
+ *
+ *	@regs: Pointer to register structure
+ *
+ *	Returns 1 when it's handled (should not cause exception).
+ */
+static int ieee_fpe_handler(struct pt_regs *regs)
+{
+	unsigned short insn = *(unsigned short *)regs->pc;
+	unsigned short finsn;
+	unsigned long nextpc;
+	int nib[4] = {
+		(insn >> 12) & 0xf,
+		(insn >> 8) & 0xf,
+		(insn >> 4) & 0xf,
+		insn & 0xf};
+
+	if (nib[0] == 0xb ||
+	    (nib[0] == 0x4 && nib[2] == 0x0 && nib[3] == 0xb)) /* bsr & jsr */
+		regs->pr = regs->pc + 4;
+
+	if (nib[0] == 0xa || nib[0] == 0xb) { /* bra & bsr */
+		nextpc = regs->pc + 4 + ((short) ((insn & 0xfff) << 4) >> 3);
+		finsn = *(unsigned short *) (regs->pc + 2);
+	} else if (nib[0] == 0x8 && nib[1] == 0xd) { /* bt/s */
+		if (regs->sr & 1)
+			nextpc = regs->pc + 4 + ((char) (insn & 0xff) << 1);
+		else
+			nextpc = regs->pc + 4;
+		finsn = *(unsigned short *) (regs->pc + 2);
+	} else if (nib[0] == 0x8 && nib[1] == 0xf) { /* bf/s */
+		if (regs->sr & 1)
+			nextpc = regs->pc + 4;
+		else
+			nextpc = regs->pc + 4 + ((char) (insn & 0xff) << 1);
+		finsn = *(unsigned short *) (regs->pc + 2);
+	} else if (nib[0] == 0x4 && nib[3] == 0xb &&
+		 (nib[2] == 0x0 || nib[2] == 0x2)) { /* jmp & jsr */
+		nextpc = regs->regs[nib[1]];
+		finsn = *(unsigned short *) (regs->pc + 2);
+	} else if (nib[0] == 0x0 && nib[3] == 0x3 &&
+		 (nib[2] == 0x0 || nib[2] == 0x2)) { /* braf & bsrf */
+		nextpc = regs->pc + 4 + regs->regs[nib[1]];
+		finsn = *(unsigned short *) (regs->pc + 2);
+	} else if (insn == 0x000b) { /* rts */
+		nextpc = regs->pr;
+		finsn = *(unsigned short *) (regs->pc + 2);
+	} else {
+		nextpc = regs->pc + 2;
+		finsn = insn;
+	}
+
+	if ((finsn & 0xf1ff) == 0xf0ad) { /* fcnvsd */
+		struct task_struct *tsk = current;
+
+		if ((tsk->thread.fpu.hard.fpscr & (1 << 17))) {
+			/* FPU error */
+			denormal_to_double (&tsk->thread.fpu.hard,
+					    (finsn >> 8) & 0xf);
+			tsk->thread.fpu.hard.fpscr &=
+				~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK);
+			set_tsk_thread_flag(tsk, TIF_USEDFPU);
+		} else {
+			tsk->thread.trap_no = 11;
+			tsk->thread.error_code = 0;
+			force_sig(SIGFPE, tsk);
+		}
+
+		regs->pc = nextpc;
+		return 1;
+	}
+
+	return 0;
+}
+
+asmlinkage void do_fpu_error(unsigned long r4, unsigned long r5,
+			     unsigned long r6, unsigned long r7,
+			     struct pt_regs regs)
+{
+	struct task_struct *tsk = current;
+
+	if (ieee_fpe_handler (&regs))
+		return;
+
+	regs.pc += 2;
+	tsk->thread.trap_no = 11;
+	tsk->thread.error_code = 0;
+	force_sig(SIGFPE, tsk);
+}
+
+/**
+ * fpu_init - Initialize FPU registers
+ * @fpu: Pointer to software emulated FPU registers.
+ */
+static void fpu_init(struct sh_fpu_soft_struct *fpu)
+{
+	int i;
+
+	fpu->fpscr = FPSCR_INIT;
+	fpu->fpul = 0;
+
+	for (i = 0; i < 16; i++) {
+		fpu->fp_regs[i] = 0;
+		fpu->xfp_regs[i]= 0;
+	}
+}
+
+/**
+ * do_fpu_inst - Handle reserved instructions for FPU emulation
+ * @inst: instruction code.
+ * @regs: registers on stack.
+ */
+int do_fpu_inst(unsigned short inst, struct pt_regs *regs)
+{
+	struct task_struct *tsk = current;
+	struct sh_fpu_soft_struct *fpu = &(tsk->thread.fpu.soft);
+
+	if (!test_tsk_thread_flag(tsk, TIF_USEDFPU)) {
+		/* initialize once. */
+		fpu_init(fpu);
+		set_tsk_thread_flag(tsk, TIF_USEDFPU);
+	}
+
+	return fpu_emulate(inst, fpu, regs);
+}
diff --git a/arch/sh/math-emu/sfp-util.h b/arch/sh/math-emu/sfp-util.h
new file mode 100644
index 000000000000..8ae1bd310ad0
--- /dev/null
+++ b/arch/sh/math-emu/sfp-util.h
@@ -0,0 +1,72 @@
+/*
+ * These are copied from glibc/stdlib/longlong.h
+ */
+
+#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
+  do {                                                                  \
+    UWtype __x;                                                         \
+    __x = (al) + (bl);                                                  \
+    (sh) = (ah) + (bh) + (__x < (al));                                  \
+    (sl) = __x;                                                         \
+  } while (0)
+
+#define sub_ddmmss(sh, sl, ah, al, bh, bl) \
+  do {                                                                  \
+    UWtype __x;                                                         \
+    __x = (al) - (bl);                                                  \
+    (sh) = (ah) - (bh) - (__x > (al));                                  \
+    (sl) = __x;                                                         \
+  } while (0)
+
+#define umul_ppmm(w1, w0, u, v) \
+  __asm__ ("dmulu.l %2,%3\n\tsts    macl,%1\n\tsts  mach,%0"	\
+	: "=r" ((u32)(w1)), "=r" ((u32)(w0))	\
+	:  "r" ((u32)(u)),   "r" ((u32)(v))	\
+	: "macl", "mach")
+
+#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2))
+#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1))
+#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2))
+
+#define udiv_qrnnd(q, r, n1, n0, d) \
+  do {									\
+    UWtype __d1, __d0, __q1, __q0;					\
+    UWtype __r1, __r0, __m;						\
+    __d1 = __ll_highpart (d);						\
+    __d0 = __ll_lowpart (d);						\
+									\
+    __r1 = (n1) % __d1;							\
+    __q1 = (n1) / __d1;							\
+    __m = (UWtype) __q1 * __d0;						\
+    __r1 = __r1 * __ll_B | __ll_highpart (n0);				\
+    if (__r1 < __m)							\
+      {									\
+	__q1--, __r1 += (d);						\
+	if (__r1 >= (d)) /* i.e. we didn't get carry when adding to __r1 */\
+	  if (__r1 < __m)						\
+	    __q1--, __r1 += (d);					\
+      }									\
+    __r1 -= __m;							\
+									\
+    __r0 = __r1 % __d1;							\
+    __q0 = __r1 / __d1;							\
+    __m = (UWtype) __q0 * __d0;						\
+    __r0 = __r0 * __ll_B | __ll_lowpart (n0);				\
+    if (__r0 < __m)							\
+      {									\
+	__q0--, __r0 += (d);						\
+	if (__r0 >= (d))						\
+	  if (__r0 < __m)						\
+	    __q0--, __r0 += (d);					\
+      }									\
+    __r0 -= __m;							\
+									\
+    (q) = (UWtype) __q1 * __ll_B | __q0;				\
+    (r) = __r0;								\
+  } while (0)
+
+#define abort()	return 0
+
+#define __BYTE_ORDER __LITTLE_ENDIAN
+
+
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index fb586b1cf8bb..9dd606464d23 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -20,7 +20,10 @@ config CPU_SH4
 config CPU_SH4A
 	bool
 	select CPU_SH4
-	select CPU_HAS_INTC2_IRQ
+
+config CPU_SH4AL_DSP
+	bool
+	select CPU_SH4A
 
 config CPU_SUBTYPE_ST40
 	bool
@@ -48,6 +51,12 @@ config CPU_SUBTYPE_SH7705
 	select CPU_SH3
 	select CPU_HAS_PINT_IRQ
 
+config CPU_SUBTYPE_SH7706
+	bool "Support SH7706 processor"
+	select CPU_SH3
+	help
+	  Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
+
 config CPU_SUBTYPE_SH7707
 	bool "Support SH7707 processor"
 	select CPU_SH3
@@ -69,6 +78,12 @@ config CPU_SUBTYPE_SH7709
 	help
 	  Select SH7709 if you have a  80 Mhz SH-3 HD6417709 CPU.
 
+config CPU_SUBTYPE_SH7710
+	bool "Support SH7710 processor"
+	select CPU_SH3
+	help
+	  Select SH7710 if you have a SH3-DSP SH7710 CPU.
+
 comment "SH-4 Processor Support"
 
 config CPU_SUBTYPE_SH7750
@@ -133,10 +148,6 @@ config CPU_SUBTYPE_ST40GX1
 
 comment "SH-4A Processor Support"
 
-config CPU_SUBTYPE_SH73180
-	bool "Support SH73180 processor"
-	select CPU_SH4A
-
 config CPU_SUBTYPE_SH7770
 	bool "Support SH7770 processor"
 	select CPU_SH4A
@@ -144,6 +155,17 @@ config CPU_SUBTYPE_SH7770
 config CPU_SUBTYPE_SH7780
 	bool "Support SH7780 processor"
 	select CPU_SH4A
+	select CPU_HAS_INTC2_IRQ
+
+comment "SH4AL-DSP Processor Support"
+
+config CPU_SUBTYPE_SH73180
+	bool "Support SH73180 processor"
+	select CPU_SH4AL_DSP
+
+config CPU_SUBTYPE_SH7343
+	bool "Support SH7343 processor"
+	select CPU_SH4AL_DSP
 
 endmenu
 
@@ -161,15 +183,59 @@ config MMU
 	  turning this off will boot the kernel on these machines with the
 	  MMU implicitly switched off.
 
+config PAGE_OFFSET
+	hex
+	default "0x80000000" if MMU
+	default "0x00000000"
+
+config MEMORY_START
+	hex "Physical memory start address"
+	default "0x08000000"
+	---help---
+	  Computers built with Hitachi SuperH processors always
+	  map the ROM starting at address zero.  But the processor
+	  does not specify the range that RAM takes.
+
+	  The physical memory (RAM) start address will be automatically
+	  set to 08000000. Other platforms, such as the Solution Engine
+	  boards typically map RAM at 0C000000.
+
+	  Tweak this only when porting to a new machine which does not
+	  already have a defconfig. Changing it from the known correct
+	  value on any of the known systems will only lead to disaster.
+
+config MEMORY_SIZE
+	hex "Physical memory size"
+	default "0x00400000"
+	help
+	  This sets the default memory size assumed by your SH kernel. It can
+	  be overridden as normal by the 'mem=' argument on the kernel command
+	  line. If unsure, consult your board specifications or just leave it
+	  as 0x00400000 which was the default value before this became
+	  configurable.
+
 config 32BIT
 	bool "Support 32-bit physical addressing through PMB"
-	depends on CPU_SH4A
+	depends on CPU_SH4A && MMU
 	default y
 	help
 	  If you say Y here, physical addressing will be extended to
 	  32-bits through the SH-4A PMB. If this is not set, legacy
 	  29-bit physical addressing will be used.
 
+config VSYSCALL
+	bool "Support vsyscall page"
+	depends on MMU
+	default y
+	help
+	  This will enable support for the kernel mapping a vDSO page
+	  in process space, and subsequently handing down the entry point
+	  to the libc through the ELF auxiliary vector.
+
+	  From the kernel side this is used for the signal trampoline.
+	  For systems with an MMU that can afford to give up a page,
+	  (the default value) say Y.
+
 choice
 	prompt "HugeTLB page size"
 	depends on HUGETLB_PAGE && CPU_SH4 && MMU
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index 9489a1424644..3ffd7f68c0a2 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -6,20 +6,26 @@ obj-y			:= init.o extable.o consistent.o
 
 obj-$(CONFIG_CPU_SH2)	+= cache-sh2.o
 obj-$(CONFIG_CPU_SH3)	+= cache-sh3.o
-obj-$(CONFIG_CPU_SH4)	+= cache-sh4.o pg-sh4.o
+obj-$(CONFIG_CPU_SH4)	+= cache-sh4.o
 
 obj-$(CONFIG_DMA_PAGE_OPS)	+= pg-dma.o
 obj-$(CONFIG_HUGETLB_PAGE)	+= hugetlbpage.o
 
 mmu-y			:= fault-nommu.o tlb-nommu.o pg-nommu.o
-mmu-$(CONFIG_MMU)	:= fault.o clear_page.o copy_page.o
+mmu-$(CONFIG_MMU)	:= fault.o clear_page.o copy_page.o tlb-flush.o	\
+			   ioremap.o
 
 obj-y			+= $(mmu-y)
 
+ifdef CONFIG_DEBUG_FS
+obj-$(CONFIG_CPU_SH4)		+= cache-debugfs.o
+endif
+
 ifdef CONFIG_MMU
-obj-$(CONFIG_CPU_SH3)	+= tlb-sh3.o
-obj-$(CONFIG_CPU_SH4)	+= tlb-sh4.o ioremap.o
+obj-$(CONFIG_CPU_SH3)		+= tlb-sh3.o
+obj-$(CONFIG_CPU_SH4)		+= tlb-sh4.o pg-sh4.o
 obj-$(CONFIG_SH7705_CACHE_32KB) += pg-sh7705.o
 endif
 
-obj-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
+obj-$(CONFIG_SH7705_CACHE_32KB)	+= cache-sh7705.o
+obj-$(CONFIG_32BIT)		+= pmb.o
diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c
new file mode 100644
index 000000000000..a22d914e4d15
--- /dev/null
+++ b/arch/sh/mm/cache-debugfs.c
@@ -0,0 +1,147 @@
+/*
+ * debugfs ops for the L1 cache
+ *
+ *  Copyright (C) 2006  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <asm/processor.h>
+#include <asm/uaccess.h>
+#include <asm/cache.h>
+#include <asm/io.h>
+
+enum cache_type {
+	CACHE_TYPE_ICACHE,
+	CACHE_TYPE_DCACHE,
+	CACHE_TYPE_UNIFIED,
+};
+
+static int cache_seq_show(struct seq_file *file, void *iter)
+{
+	unsigned int cache_type = (unsigned int)file->private;
+	struct cache_info *cache;
+	unsigned int waysize, way, cache_size;
+	unsigned long ccr, base;
+	static unsigned long addrstart = 0;
+
+	/*
+	 * Go uncached immediately so we don't skew the results any
+	 * more than we already are..
+	 */
+	jump_to_P2();
+
+	ccr = ctrl_inl(CCR);
+	if ((ccr & CCR_CACHE_ENABLE) == 0) {
+		back_to_P1();
+
+		seq_printf(file, "disabled\n");
+		return 0;
+	}
+
+	if (cache_type == CACHE_TYPE_DCACHE) {
+		base = CACHE_OC_ADDRESS_ARRAY;
+		cache = &cpu_data->dcache;
+	} else {
+		base = CACHE_IC_ADDRESS_ARRAY;
+		cache = &cpu_data->icache;
+	}
+
+	/*
+	 * Due to the amount of data written out (depending on the cache size),
+	 * we may be iterated over multiple times. In this case, keep track of
+	 * the entry position in addrstart, and rewind it when we've hit the
+	 * end of the cache.
+	 *
+	 * Likewise, the same code is used for multiple caches, so care must
+	 * be taken for bouncing addrstart back and forth so the appropriate
+	 * cache is hit.
+	 */
+	cache_size = cache->ways * cache->sets * cache->linesz;
+	if (((addrstart & 0xff000000) != base) ||
+	     (addrstart & 0x00ffffff) > cache_size)
+		addrstart = base;
+
+	waysize = cache->sets;
+
+	/*
+	 * If the OC is already in RAM mode, we only have
+	 * half of the entries to consider..
+	 */
+	if ((ccr & CCR_CACHE_ORA) && cache_type == CACHE_TYPE_DCACHE)
+		waysize >>= 1;
+
+	waysize <<= cache->entry_shift;
+
+	for (way = 0; way < cache->ways; way++) {
+		unsigned long addr;
+		unsigned int line;
+
+		seq_printf(file, "-----------------------------------------\n");
+		seq_printf(file, "Way %d\n", way);
+		seq_printf(file, "-----------------------------------------\n");
+
+		for (addr = addrstart, line = 0;
+		     addr < addrstart + waysize;
+		     addr += cache->linesz, line++) {
+			unsigned long data = ctrl_inl(addr);
+
+			/* Check the V bit, ignore invalid cachelines */
+			if ((data & 1) == 0)
+				continue;
+
+			/* U: Dirty, cache tag is 10 bits up */
+			seq_printf(file, "%3d: %c 0x%lx\n",
+				   line, data & 2 ? 'U' : ' ',
+				   data & 0x1ffffc00);
+		}
+
+		addrstart += cache->way_incr;
+	}
+
+	back_to_P1();
+
+	return 0;
+}
+
+static int cache_debugfs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, cache_seq_show, inode->u.generic_ip);
+}
+
+static struct file_operations cache_debugfs_fops = {
+	.owner		= THIS_MODULE,
+	.open		= cache_debugfs_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init cache_debugfs_init(void)
+{
+	struct dentry *dcache_dentry, *icache_dentry;
+
+	dcache_dentry = debugfs_create_file("dcache", S_IRUSR, NULL,
+					    (unsigned int *)CACHE_TYPE_DCACHE,
+					    &cache_debugfs_fops);
+	if (IS_ERR(dcache_dentry))
+		return PTR_ERR(dcache_dentry);
+
+	icache_dentry = debugfs_create_file("icache", S_IRUSR, NULL,
+					    (unsigned int *)CACHE_TYPE_ICACHE,
+					    &cache_debugfs_fops);
+	if (IS_ERR(icache_dentry)) {
+		debugfs_remove(dcache_dentry);
+		return PTR_ERR(icache_dentry);
+	}
+
+	return 0;
+}
+module_init(cache_debugfs_init);
+
+MODULE_LICENSE("GPL v2");
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 524cea5b47f9..e48cc22724d9 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -2,49 +2,120 @@
  * arch/sh/mm/cache-sh4.c
  *
  * Copyright (C) 1999, 2000, 2002  Niibe Yutaka
- * Copyright (C) 2001, 2002, 2003, 2004  Paul Mundt
+ * Copyright (C) 2001 - 2006  Paul Mundt
  * Copyright (C) 2003  Richard Curnow
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
-
 #include <linux/init.h>
-#include <linux/mman.h>
 #include <linux/mm.h>
-#include <linux/threads.h>
 #include <asm/addrspace.h>
-#include <asm/page.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 #include <asm/cache.h>
 #include <asm/io.h>
-#include <asm/uaccess.h>
 #include <asm/pgalloc.h>
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 
-extern void __flush_cache_4096_all(unsigned long start);
-static void __flush_cache_4096_all_ex(unsigned long start);
-extern void __flush_dcache_all(void);
-static void __flush_dcache_all_ex(void);
+/*
+ * The maximum number of pages we support up to when doing ranged dcache
+ * flushing. Anything exceeding this will simply flush the dcache in its
+ * entirety.
+ */
+#define MAX_DCACHE_PAGES	64	/* XXX: Tune for ways */
+
+static void __flush_dcache_segment_1way(unsigned long start,
+					unsigned long extent);
+static void __flush_dcache_segment_2way(unsigned long start,
+					unsigned long extent);
+static void __flush_dcache_segment_4way(unsigned long start,
+					unsigned long extent);
+
+static void __flush_cache_4096(unsigned long addr, unsigned long phys,
+			       unsigned long exec_offset);
+
+/*
+ * This is initialised here to ensure that it is not placed in the BSS.  If
+ * that were to happen, note that cache_init gets called before the BSS is
+ * cleared, so this would get nulled out which would be hopeless.
+ */
+static void (*__flush_dcache_segment_fn)(unsigned long, unsigned long) =
+	(void (*)(unsigned long, unsigned long))0xdeadbeef;
+
+static void compute_alias(struct cache_info *c)
+{
+	c->alias_mask = ((c->sets - 1) << c->entry_shift) & ~(PAGE_SIZE - 1);
+	c->n_aliases = (c->alias_mask >> PAGE_SHIFT) + 1;
+}
+
+static void __init emit_cache_params(void)
+{
+	printk("PVR=%08x CVR=%08x PRR=%08x\n",
+		ctrl_inl(CCN_PVR),
+		ctrl_inl(CCN_CVR),
+		ctrl_inl(CCN_PRR));
+	printk("I-cache : n_ways=%d n_sets=%d way_incr=%d\n",
+		cpu_data->icache.ways,
+		cpu_data->icache.sets,
+		cpu_data->icache.way_incr);
+	printk("I-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
+		cpu_data->icache.entry_mask,
+		cpu_data->icache.alias_mask,
+		cpu_data->icache.n_aliases);
+	printk("D-cache : n_ways=%d n_sets=%d way_incr=%d\n",
+		cpu_data->dcache.ways,
+		cpu_data->dcache.sets,
+		cpu_data->dcache.way_incr);
+	printk("D-cache : entry_mask=0x%08x alias_mask=0x%08x n_aliases=%d\n",
+		cpu_data->dcache.entry_mask,
+		cpu_data->dcache.alias_mask,
+		cpu_data->dcache.n_aliases);
+
+	if (!__flush_dcache_segment_fn)
+		panic("unknown number of cache ways\n");
+}
 
 /*
  * SH-4 has virtually indexed and physically tagged cache.
  */
 
-struct semaphore p3map_sem[4];
+/* Worst case assumed to be 64k cache, direct-mapped i.e. 4 synonym bits. */
+#define MAX_P3_SEMAPHORES 16
+
+struct semaphore p3map_sem[MAX_P3_SEMAPHORES];
 
 void __init p3_cache_init(void)
 {
-	if (remap_area_pages(P3SEG, 0, PAGE_SIZE*4, _PAGE_CACHABLE))
+	int i;
+
+	compute_alias(&cpu_data->icache);
+	compute_alias(&cpu_data->dcache);
+
+	switch (cpu_data->dcache.ways) {
+	case 1:
+		__flush_dcache_segment_fn = __flush_dcache_segment_1way;
+		break;
+	case 2:
+		__flush_dcache_segment_fn = __flush_dcache_segment_2way;
+		break;
+	case 4:
+		__flush_dcache_segment_fn = __flush_dcache_segment_4way;
+		break;
+	default:
+		__flush_dcache_segment_fn = NULL;
+		break;
+	}
+
+	emit_cache_params();
+
+	if (remap_area_pages(P3SEG, 0, PAGE_SIZE * 4, _PAGE_CACHABLE))
 		panic("%s failed.", __FUNCTION__);
 
-	sema_init (&p3map_sem[0], 1);
-	sema_init (&p3map_sem[1], 1);
-	sema_init (&p3map_sem[2], 1);
-	sema_init (&p3map_sem[3], 1);
+	for (i = 0; i < cpu_data->dcache.n_aliases; i++)
+		sema_init(&p3map_sem[i], 1);
 }
 
 /*
@@ -89,7 +160,6 @@ void __flush_purge_region(void *start, int size)
 	}
 }
 
-
 /*
  * No write back please
  */
@@ -108,40 +178,6 @@ void __flush_invalidate_region(void *start, int size)
 	}
 }
 
-static void __flush_dcache_all_ex(void)
-{
-	unsigned long addr, end_addr, entry_offset;
-
-	end_addr = CACHE_OC_ADDRESS_ARRAY + (cpu_data->dcache.sets << cpu_data->dcache.entry_shift) * cpu_data->dcache.ways;
-	entry_offset = 1 << cpu_data->dcache.entry_shift;
-	for (addr = CACHE_OC_ADDRESS_ARRAY; addr < end_addr; addr += entry_offset) {
-		ctrl_outl(0, addr);
-	}
-}
-
-static void __flush_cache_4096_all_ex(unsigned long start)
-{
-	unsigned long addr, entry_offset;
-	int i;
-
-	entry_offset = 1 << cpu_data->dcache.entry_shift;
-	for (i = 0; i < cpu_data->dcache.ways; i++, start += cpu_data->dcache.way_incr) {
-		for (addr = CACHE_OC_ADDRESS_ARRAY + start;
-		     addr < CACHE_OC_ADDRESS_ARRAY + 4096 + start;
-		     addr += entry_offset) {
-			ctrl_outl(0, addr);
-		}
-	}
-}
-
-void flush_cache_4096_all(unsigned long start)
-{
-	if (cpu_data->dcache.ways == 1)
-		__flush_cache_4096_all(start);
-	else
-		__flush_cache_4096_all_ex(start);
-}
-
 /*
  * Write back the range of D-cache, and purge the I-cache.
  *
@@ -153,14 +189,14 @@ void flush_icache_range(unsigned long start, unsigned long end)
 }
 
 /*
- * Write back the D-cache and purge the I-cache for signal trampoline. 
+ * Write back the D-cache and purge the I-cache for signal trampoline.
  * .. which happens to be the same behavior as flush_icache_range().
  * So, we simply flush out a line.
  */
 void flush_cache_sigtramp(unsigned long addr)
 {
 	unsigned long v, index;
-	unsigned long flags; 
+	unsigned long flags;
 	int i;
 
 	v = addr & ~(L1_CACHE_BYTES-1);
@@ -172,30 +208,33 @@ void flush_cache_sigtramp(unsigned long addr)
 
 	local_irq_save(flags);
 	jump_to_P2();
-	for(i = 0; i < cpu_data->icache.ways; i++, index += cpu_data->icache.way_incr)
+
+	for (i = 0; i < cpu_data->icache.ways;
+	     i++, index += cpu_data->icache.way_incr)
 		ctrl_outl(0, index);	/* Clear out Valid-bit */
+
 	back_to_P1();
+	wmb();
 	local_irq_restore(flags);
 }
 
 static inline void flush_cache_4096(unsigned long start,
 				    unsigned long phys)
 {
-	unsigned long flags; 
-	extern void __flush_cache_4096(unsigned long addr, unsigned long phys, unsigned long exec_offset);
+	unsigned long flags, exec_offset = 0;
 
 	/*
-	 * SH7751, SH7751R, and ST40 have no restriction to handle cache.
-	 * (While SH7750 must do that at P2 area.)
+	 * All types of SH-4 require PC to be in P2 to operate on the I-cache.
+	 * Some types of SH-4 require PC to be in P2 to operate on the D-cache.
 	 */
-	if ((cpu_data->flags & CPU_HAS_P2_FLUSH_BUG)
-	   || start < CACHE_OC_ADDRESS_ARRAY) {
-		local_irq_save(flags);
-		__flush_cache_4096(start | SH_CACHE_ASSOC, P1SEGADDR(phys), 0x20000000);
-		local_irq_restore(flags);
-	} else {
-		__flush_cache_4096(start | SH_CACHE_ASSOC, P1SEGADDR(phys), 0);
-	}
+	if ((cpu_data->flags & CPU_HAS_P2_FLUSH_BUG) ||
+	    (start < CACHE_OC_ADDRESS_ARRAY))
+	    	exec_offset = 0x20000000;
+
+	local_irq_save(flags);
+	__flush_cache_4096(start | SH_CACHE_ASSOC,
+			   P1SEGADDR(phys), exec_offset);
+	local_irq_restore(flags);
 }
 
 /*
@@ -206,15 +245,19 @@ void flush_dcache_page(struct page *page)
 {
 	if (test_bit(PG_mapped, &page->flags)) {
 		unsigned long phys = PHYSADDR(page_address(page));
+		unsigned long addr = CACHE_OC_ADDRESS_ARRAY;
+		int i, n;
 
 		/* Loop all the D-cache */
-		flush_cache_4096(CACHE_OC_ADDRESS_ARRAY,          phys);
-		flush_cache_4096(CACHE_OC_ADDRESS_ARRAY | 0x1000, phys);
-		flush_cache_4096(CACHE_OC_ADDRESS_ARRAY | 0x2000, phys);
-		flush_cache_4096(CACHE_OC_ADDRESS_ARRAY | 0x3000, phys);
+		n = cpu_data->dcache.n_aliases;
+		for (i = 0; i < n; i++, addr += PAGE_SIZE)
+			flush_cache_4096(addr, phys);
 	}
+
+	wmb();
 }
 
+/* TODO: Selective icache invalidation through IC address array.. */
 static inline void flush_icache_all(void)
 {
 	unsigned long flags, ccr;
@@ -227,34 +270,142 @@ static inline void flush_icache_all(void)
 	ccr |= CCR_CACHE_ICI;
 	ctrl_outl(ccr, CCR);
 
+	/*
+	 * back_to_P1() will take care of the barrier for us, don't add
+	 * another one!
+	 */
+
 	back_to_P1();
 	local_irq_restore(flags);
 }
 
+void flush_dcache_all(void)
+{
+	(*__flush_dcache_segment_fn)(0UL, cpu_data->dcache.way_size);
+	wmb();
+}
+
 void flush_cache_all(void)
 {
-	if (cpu_data->dcache.ways == 1)
-		__flush_dcache_all();
-	else
-		__flush_dcache_all_ex();
+	flush_dcache_all();
 	flush_icache_all();
 }
 
+static void __flush_cache_mm(struct mm_struct *mm, unsigned long start,
+			     unsigned long end)
+{
+	unsigned long d = 0, p = start & PAGE_MASK;
+	unsigned long alias_mask = cpu_data->dcache.alias_mask;
+	unsigned long n_aliases = cpu_data->dcache.n_aliases;
+	unsigned long select_bit;
+	unsigned long all_aliases_mask;
+	unsigned long addr_offset;
+	pgd_t *dir;
+	pmd_t *pmd;
+	pud_t *pud;
+	pte_t *pte;
+	int i;
+
+	dir = pgd_offset(mm, p);
+	pud = pud_offset(dir, p);
+	pmd = pmd_offset(pud, p);
+	end = PAGE_ALIGN(end);
+
+	all_aliases_mask = (1 << n_aliases) - 1;
+
+	do {
+		if (pmd_none(*pmd) || unlikely(pmd_bad(*pmd))) {
+			p &= PMD_MASK;
+			p += PMD_SIZE;
+			pmd++;
+
+			continue;
+		}
+
+		pte = pte_offset_kernel(pmd, p);
+
+		do {
+			unsigned long phys;
+			pte_t entry = *pte;
+
+			if (!(pte_val(entry) & _PAGE_PRESENT)) {
+				pte++;
+				p += PAGE_SIZE;
+				continue;
+			}
+
+			phys = pte_val(entry) & PTE_PHYS_MASK;
+
+			if ((p ^ phys) & alias_mask) {
+				d |= 1 << ((p & alias_mask) >> PAGE_SHIFT);
+				d |= 1 << ((phys & alias_mask) >> PAGE_SHIFT);
+
+				if (d == all_aliases_mask)
+					goto loop_exit;
+			}
+
+			pte++;
+			p += PAGE_SIZE;
+		} while (p < end && ((unsigned long)pte & ~PAGE_MASK));
+		pmd++;
+	} while (p < end);
+
+loop_exit:
+	addr_offset = 0;
+	select_bit = 1;
+
+	for (i = 0; i < n_aliases; i++) {
+		if (d & select_bit) {
+			(*__flush_dcache_segment_fn)(addr_offset, PAGE_SIZE);
+			wmb();
+		}
+
+		select_bit <<= 1;
+		addr_offset += PAGE_SIZE;
+	}
+}
+
+/*
+ * Note : (RPC) since the caches are physically tagged, the only point
+ * of flush_cache_mm for SH-4 is to get rid of aliases from the
+ * D-cache.  The assumption elsewhere, e.g. flush_cache_range, is that
+ * lines can stay resident so long as the virtual address they were
+ * accessed with (hence cache set) is in accord with the physical
+ * address (i.e. tag).  It's no different here.  So I reckon we don't
+ * need to flush the I-cache, since aliases don't matter for that.  We
+ * should try that.
+ *
+ * Caller takes mm->mmap_sem.
+ */
 void flush_cache_mm(struct mm_struct *mm)
 {
-	/* Is there any good way? */
-	/* XXX: possibly call flush_cache_range for each vm area */
-	/* 
-	 * FIXME: Really, the optimal solution here would be able to flush out
-	 * individual lines created by the specified context, but this isn't
-	 * feasible for a number of architectures (such as MIPS, and some
-	 * SPARC) .. is this possible for SuperH?
-	 *
-	 * In the meantime, we'll just flush all of the caches.. this
-	 * seems to be the simplest way to avoid at least a few wasted
-	 * cache flushes. -Lethal
+	/*
+	 * If cache is only 4k-per-way, there are never any 'aliases'.  Since
+	 * the cache is physically tagged, the data can just be left in there.
 	 */
-	flush_cache_all();
+	if (cpu_data->dcache.n_aliases == 0)
+		return;
+
+	/*
+	 * Don't bother groveling around the dcache for the VMA ranges
+	 * if there are too many PTEs to make it worthwhile.
+	 */
+	if (mm->nr_ptes >= MAX_DCACHE_PAGES)
+		flush_dcache_all();
+	else {
+		struct vm_area_struct *vma;
+
+		/*
+		 * In this case there are reasonably sized ranges to flush,
+		 * iterate through the VMA list and take care of any aliases.
+		 */
+		for (vma = mm->mmap; vma; vma = vma->vm_next)
+			__flush_cache_mm(mm, vma->vm_start, vma->vm_end);
+	}
+
+	/* Only touch the icache if one of the VMAs has VM_EXEC set. */
+	if (mm->exec_vm)
+		flush_icache_all();
 }
 
 /*
@@ -263,27 +414,40 @@ void flush_cache_mm(struct mm_struct *mm)
  * ADDR: Virtual Address (U0 address)
  * PFN: Physical page number
  */
-void flush_cache_page(struct vm_area_struct *vma, unsigned long address, unsigned long pfn)
+void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
+		      unsigned long pfn)
 {
 	unsigned long phys = pfn << PAGE_SHIFT;
+	unsigned int alias_mask;
+
+	alias_mask = cpu_data->dcache.alias_mask;
 
 	/* We only need to flush D-cache when we have alias */
-	if ((address^phys) & CACHE_ALIAS) {
+	if ((address^phys) & alias_mask) {
 		/* Loop 4K of the D-cache */
 		flush_cache_4096(
-			CACHE_OC_ADDRESS_ARRAY | (address & CACHE_ALIAS),
+			CACHE_OC_ADDRESS_ARRAY | (address & alias_mask),
 			phys);
 		/* Loop another 4K of the D-cache */
 		flush_cache_4096(
-			CACHE_OC_ADDRESS_ARRAY | (phys & CACHE_ALIAS),
+			CACHE_OC_ADDRESS_ARRAY | (phys & alias_mask),
 			phys);
 	}
 
-	if (vma->vm_flags & VM_EXEC)
-		/* Loop 4K (half) of the I-cache */
+	alias_mask = cpu_data->icache.alias_mask;
+	if (vma->vm_flags & VM_EXEC) {
+		/*
+		 * Evict entries from the portion of the cache from which code
+		 * may have been executed at this address (virtual).  There's
+		 * no need to evict from the portion corresponding to the
+		 * physical address as for the D-cache, because we know the
+		 * kernel has never executed the code through its identity
+		 * translation.
+		 */
 		flush_cache_4096(
-			CACHE_IC_ADDRESS_ARRAY | (address & 0x1000),
+			CACHE_IC_ADDRESS_ARRAY | (address & alias_mask),
 			phys);
+	}
 }
 
 /*
@@ -298,52 +462,31 @@ void flush_cache_page(struct vm_area_struct *vma, unsigned long address, unsigne
 void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
 		       unsigned long end)
 {
-	unsigned long p = start & PAGE_MASK;
-	pgd_t *dir;
-	pmd_t *pmd;
-	pte_t *pte;
-	pte_t entry;
-	unsigned long phys;
-	unsigned long d = 0;
-
-	dir = pgd_offset(vma->vm_mm, p);
-	pmd = pmd_offset(dir, p);
+	/*
+	 * If cache is only 4k-per-way, there are never any 'aliases'.  Since
+	 * the cache is physically tagged, the data can just be left in there.
+	 */
+	if (cpu_data->dcache.n_aliases == 0)
+		return;
 
-	do {
-		if (pmd_none(*pmd) || pmd_bad(*pmd)) {
-			p &= ~((1 << PMD_SHIFT) -1);
-			p += (1 << PMD_SHIFT);
-			pmd++;
-			continue;
-		}
-		pte = pte_offset_kernel(pmd, p);
-		do {
-			entry = *pte;
-			if ((pte_val(entry) & _PAGE_PRESENT)) {
-				phys = pte_val(entry)&PTE_PHYS_MASK;
-				if ((p^phys) & CACHE_ALIAS) {
-					d |= 1 << ((p & CACHE_ALIAS)>>12); 
-					d |= 1 << ((phys & CACHE_ALIAS)>>12);
-					if (d == 0x0f)
-						goto loop_exit;
-				}
-			}
-			pte++;
-			p += PAGE_SIZE;
-		} while (p < end && ((unsigned long)pte & ~PAGE_MASK));
-		pmd++;
-	} while (p < end);
- loop_exit:
-	if (d & 1)
-		flush_cache_4096_all(0);
-	if (d & 2)
-		flush_cache_4096_all(0x1000);
-	if (d & 4)
-		flush_cache_4096_all(0x2000);
-	if (d & 8)
-		flush_cache_4096_all(0x3000);
-	if (vma->vm_flags & VM_EXEC)
+	/*
+	 * Don't bother with the lookup and alias check if we have a
+	 * wide range to cover, just blow away the dcache in its
+	 * entirety instead. -- PFM.
+	 */
+	if (((end - start) >> PAGE_SHIFT) >= MAX_DCACHE_PAGES)
+		flush_dcache_all();
+	else
+		__flush_cache_mm(vma->vm_mm, start, end);
+
+	if (vma->vm_flags & VM_EXEC) {
+		/*
+		 * TODO: Is this required???  Need to look at how I-cache
+		 * coherency is assured when new programs are loaded to see if
+		 * this matters.
+		 */
 		flush_icache_all();
+	}
 }
 
 /*
@@ -357,5 +500,273 @@ void flush_icache_user_range(struct vm_area_struct *vma,
 			     struct page *page, unsigned long addr, int len)
 {
 	flush_cache_page(vma, addr, page_to_pfn(page));
+	mb();
+}
+
+/**
+ * __flush_cache_4096
+ *
+ * @addr:  address in memory mapped cache array
+ * @phys:  P1 address to flush (has to match tags if addr has 'A' bit
+ *         set i.e. associative write)
+ * @exec_offset: set to 0x20000000 if flush has to be executed from P2
+ *               region else 0x0
+ *
+ * The offset into the cache array implied by 'addr' selects the
+ * 'colour' of the virtual address range that will be flushed.  The
+ * operation (purge/write-back) is selected by the lower 2 bits of
+ * 'phys'.
+ */
+static void __flush_cache_4096(unsigned long addr, unsigned long phys,
+			       unsigned long exec_offset)
+{
+	int way_count;
+	unsigned long base_addr = addr;
+	struct cache_info *dcache;
+	unsigned long way_incr;
+	unsigned long a, ea, p;
+	unsigned long temp_pc;
+
+	dcache = &cpu_data->dcache;
+	/* Write this way for better assembly. */
+	way_count = dcache->ways;
+	way_incr = dcache->way_incr;
+
+	/*
+	 * Apply exec_offset (i.e. branch to P2 if required.).
+	 *
+	 * FIXME:
+	 *
+	 *	If I write "=r" for the (temp_pc), it puts this in r6 hence
+	 *	trashing exec_offset before it's been added on - why?  Hence
+	 *	"=&r" as a 'workaround'
+	 */
+	asm volatile("mov.l 1f, %0\n\t"
+		     "add   %1, %0\n\t"
+		     "jmp   @%0\n\t"
+		     "nop\n\t"
+		     ".balign 4\n\t"
+		     "1:  .long 2f\n\t"
+		     "2:\n" : "=&r" (temp_pc) : "r" (exec_offset));
+
+	/*
+	 * We know there will be >=1 iteration, so write as do-while to avoid
+	 * pointless nead-of-loop check for 0 iterations.
+	 */
+	do {
+		ea = base_addr + PAGE_SIZE;
+		a = base_addr;
+		p = phys;
+
+		do {
+			*(volatile unsigned long *)a = p;
+			/*
+			 * Next line: intentionally not p+32, saves an add, p
+			 * will do since only the cache tag bits need to
+			 * match.
+			 */
+			*(volatile unsigned long *)(a+32) = p;
+			a += 64;
+			p += 64;
+		} while (a < ea);
+
+		base_addr += way_incr;
+	} while (--way_count != 0);
 }
 
+/*
+ * Break the 1, 2 and 4 way variants of this out into separate functions to
+ * avoid nearly all the overhead of having the conditional stuff in the function
+ * bodies (+ the 1 and 2 way cases avoid saving any registers too).
+ */
+static void __flush_dcache_segment_1way(unsigned long start,
+					unsigned long extent_per_way)
+{
+	unsigned long orig_sr, sr_with_bl;
+	unsigned long base_addr;
+	unsigned long way_incr, linesz, way_size;
+	struct cache_info *dcache;
+	register unsigned long a0, a0e;
+
+	asm volatile("stc sr, %0" : "=r" (orig_sr));
+	sr_with_bl = orig_sr | (1<<28);
+	base_addr = ((unsigned long)&empty_zero_page[0]);
+
+	/*
+	 * The previous code aligned base_addr to 16k, i.e. the way_size of all
+	 * existing SH-4 D-caches.  Whilst I don't see a need to have this
+	 * aligned to any better than the cache line size (which it will be
+	 * anyway by construction), let's align it to at least the way_size of
+	 * any existing or conceivable SH-4 D-cache.  -- RPC
+	 */
+	base_addr = ((base_addr >> 16) << 16);
+	base_addr |= start;
+
+	dcache = &cpu_data->dcache;
+	linesz = dcache->linesz;
+	way_incr = dcache->way_incr;
+	way_size = dcache->way_size;
+
+	a0 = base_addr;
+	a0e = base_addr + extent_per_way;
+	do {
+		asm volatile("ldc %0, sr" : : "r" (sr_with_bl));
+		asm volatile("movca.l r0, @%0\n\t"
+			     "ocbi @%0" : : "r" (a0));
+		a0 += linesz;
+		asm volatile("movca.l r0, @%0\n\t"
+			     "ocbi @%0" : : "r" (a0));
+		a0 += linesz;
+		asm volatile("movca.l r0, @%0\n\t"
+			     "ocbi @%0" : : "r" (a0));
+		a0 += linesz;
+		asm volatile("movca.l r0, @%0\n\t"
+			     "ocbi @%0" : : "r" (a0));
+		asm volatile("ldc %0, sr" : : "r" (orig_sr));
+		a0 += linesz;
+	} while (a0 < a0e);
+}
+
+static void __flush_dcache_segment_2way(unsigned long start,
+					unsigned long extent_per_way)
+{
+	unsigned long orig_sr, sr_with_bl;
+	unsigned long base_addr;
+	unsigned long way_incr, linesz, way_size;
+	struct cache_info *dcache;
+	register unsigned long a0, a1, a0e;
+
+	asm volatile("stc sr, %0" : "=r" (orig_sr));
+	sr_with_bl = orig_sr | (1<<28);
+	base_addr = ((unsigned long)&empty_zero_page[0]);
+
+	/* See comment under 1-way above */
+	base_addr = ((base_addr >> 16) << 16);
+	base_addr |= start;
+
+	dcache = &cpu_data->dcache;
+	linesz = dcache->linesz;
+	way_incr = dcache->way_incr;
+	way_size = dcache->way_size;
+
+	a0 = base_addr;
+	a1 = a0 + way_incr;
+	a0e = base_addr + extent_per_way;
+	do {
+		asm volatile("ldc %0, sr" : : "r" (sr_with_bl));
+		asm volatile("movca.l r0, @%0\n\t"
+			     "movca.l r0, @%1\n\t"
+			     "ocbi @%0\n\t"
+			     "ocbi @%1" : :
+			     "r" (a0), "r" (a1));
+		a0 += linesz;
+		a1 += linesz;
+		asm volatile("movca.l r0, @%0\n\t"
+			     "movca.l r0, @%1\n\t"
+			     "ocbi @%0\n\t"
+			     "ocbi @%1" : :
+			     "r" (a0), "r" (a1));
+		a0 += linesz;
+		a1 += linesz;
+		asm volatile("movca.l r0, @%0\n\t"
+			     "movca.l r0, @%1\n\t"
+			     "ocbi @%0\n\t"
+			     "ocbi @%1" : :
+			     "r" (a0), "r" (a1));
+		a0 += linesz;
+		a1 += linesz;
+		asm volatile("movca.l r0, @%0\n\t"
+			     "movca.l r0, @%1\n\t"
+			     "ocbi @%0\n\t"
+			     "ocbi @%1" : :
+			     "r" (a0), "r" (a1));
+		asm volatile("ldc %0, sr" : : "r" (orig_sr));
+		a0 += linesz;
+		a1 += linesz;
+	} while (a0 < a0e);
+}
+
+static void __flush_dcache_segment_4way(unsigned long start,
+					unsigned long extent_per_way)
+{
+	unsigned long orig_sr, sr_with_bl;
+	unsigned long base_addr;
+	unsigned long way_incr, linesz, way_size;
+	struct cache_info *dcache;
+	register unsigned long a0, a1, a2, a3, a0e;
+
+	asm volatile("stc sr, %0" : "=r" (orig_sr));
+	sr_with_bl = orig_sr | (1<<28);
+	base_addr = ((unsigned long)&empty_zero_page[0]);
+
+	/* See comment under 1-way above */
+	base_addr = ((base_addr >> 16) << 16);
+	base_addr |= start;
+
+	dcache = &cpu_data->dcache;
+	linesz = dcache->linesz;
+	way_incr = dcache->way_incr;
+	way_size = dcache->way_size;
+
+	a0 = base_addr;
+	a1 = a0 + way_incr;
+	a2 = a1 + way_incr;
+	a3 = a2 + way_incr;
+	a0e = base_addr + extent_per_way;
+	do {
+		asm volatile("ldc %0, sr" : : "r" (sr_with_bl));
+		asm volatile("movca.l r0, @%0\n\t"
+			     "movca.l r0, @%1\n\t"
+			     "movca.l r0, @%2\n\t"
+			     "movca.l r0, @%3\n\t"
+			     "ocbi @%0\n\t"
+			     "ocbi @%1\n\t"
+			     "ocbi @%2\n\t"
+			     "ocbi @%3\n\t" : :
+			     "r" (a0), "r" (a1), "r" (a2), "r" (a3));
+		a0 += linesz;
+		a1 += linesz;
+		a2 += linesz;
+		a3 += linesz;
+		asm volatile("movca.l r0, @%0\n\t"
+			     "movca.l r0, @%1\n\t"
+			     "movca.l r0, @%2\n\t"
+			     "movca.l r0, @%3\n\t"
+			     "ocbi @%0\n\t"
+			     "ocbi @%1\n\t"
+			     "ocbi @%2\n\t"
+			     "ocbi @%3\n\t" : :
+			     "r" (a0), "r" (a1), "r" (a2), "r" (a3));
+		a0 += linesz;
+		a1 += linesz;
+		a2 += linesz;
+		a3 += linesz;
+		asm volatile("movca.l r0, @%0\n\t"
+			     "movca.l r0, @%1\n\t"
+			     "movca.l r0, @%2\n\t"
+			     "movca.l r0, @%3\n\t"
+			     "ocbi @%0\n\t"
+			     "ocbi @%1\n\t"
+			     "ocbi @%2\n\t"
+			     "ocbi @%3\n\t" : :
+			     "r" (a0), "r" (a1), "r" (a2), "r" (a3));
+		a0 += linesz;
+		a1 += linesz;
+		a2 += linesz;
+		a3 += linesz;
+		asm volatile("movca.l r0, @%0\n\t"
+			     "movca.l r0, @%1\n\t"
+			     "movca.l r0, @%2\n\t"
+			     "movca.l r0, @%3\n\t"
+			     "ocbi @%0\n\t"
+			     "ocbi @%1\n\t"
+			     "ocbi @%2\n\t"
+			     "ocbi @%3\n\t" : :
+			     "r" (a0), "r" (a1), "r" (a2), "r" (a3));
+		asm volatile("ldc %0, sr" : : "r" (orig_sr));
+		a0 += linesz;
+		a1 += linesz;
+		a2 += linesz;
+		a3 += linesz;
+	} while (a0 < a0e);
+}
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index ad8ed7d41e16..045abdf078f5 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -9,7 +9,6 @@
  * for more details.
  *
  */
-
 #include <linux/init.h>
 #include <linux/mman.h>
 #include <linux/mm.h>
@@ -25,14 +24,10 @@
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 
-/* The 32KB cache on the SH7705 suffers from the same synonym problem
- * as SH4 CPUs */
-
-#define __pte_offset(address) \
-		((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
-#define pte_offset(dir, address) ((pte_t *) pmd_page_kernel(*(dir)) + \
-		__pte_offset(address))
-
+/*
+ * The 32KB cache on the SH7705 suffers from the same synonym problem
+ * as SH4 CPUs
+ */
 static inline void cache_wback_all(void)
 {
 	unsigned long ways, waysize, addrstart;
@@ -73,7 +68,6 @@ void flush_icache_range(unsigned long start, unsigned long end)
 	__flush_wback_region((void *)start, end - start);
 }
 
-
 /*
  * Writeback&Invalidate the D-cache of the page
  */
@@ -128,7 +122,6 @@ static void __flush_dcache_page(unsigned long phys)
 	local_irq_restore(flags);
 }
 
-
 /*
  * Write back & invalidate the D-cache of the page.
  * (To avoid "alias" issues)
@@ -186,7 +179,8 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
  *
  * ADDRESS: Virtual Address (U0 address)
  */
-void flush_cache_page(struct vm_area_struct *vma, unsigned long address, unsigned long pfn)
+void flush_cache_page(struct vm_area_struct *vma, unsigned long address,
+		      unsigned long pfn)
 {
 	__flush_dcache_page(pfn << PAGE_SHIFT);
 }
@@ -203,4 +197,3 @@ void flush_icache_page(struct vm_area_struct *vma, struct page *page)
 {
 	__flush_purge_region(page_address(page), PAGE_SIZE);
 }
-
diff --git a/arch/sh/mm/clear_page.S b/arch/sh/mm/clear_page.S
index 08acead7b2a1..7b96425ae270 100644
--- a/arch/sh/mm/clear_page.S
+++ b/arch/sh/mm/clear_page.S
@@ -193,102 +193,5 @@ ENTRY(__clear_user_page)
 	 nop
 .L4096:	.word	4096
 
-ENTRY(__flush_cache_4096)
-	mov.l	1f,r3
-	add	r6,r3
-	mov	r4,r0
-	mov	#64,r2
-	shll	r2
-	mov	#64,r6
-	jmp	@r3
-	 mov	#96,r7
-	.align	2
-1:	.long	2f
-2:
-	.rept	32
-	mov.l	r5,@r0
-	mov.l	r5,@(32,r0)
-	mov.l	r5,@(r0,r6)
-	mov.l	r5,@(r0,r7)
-	add	r2,r5
-	add	r2,r0
-	.endr
-	nop
-	nop
-	nop
-	nop
-	nop
-	nop
-	nop
-	rts
-	 nop
-
-ENTRY(__flush_dcache_all)
-	mov.l	2f,r0
-	mov.l	3f,r4
-	and	r0,r4		! r4 = (unsigned long)&empty_zero_page[0] & ~0xffffc000
-	stc	sr,r1		! save SR
-	mov.l	4f,r2
-	or	r1,r2
-	mov	#32,r3
-	shll2	r3
-1:
-	ldc	r2,sr		! set BL bit
-	movca.l	r0,@r4
-	ocbi	@r4
-	add	#32,r4
-	movca.l	r0,@r4
-	ocbi	@r4
-	add	#32,r4
-	movca.l	r0,@r4
-	ocbi	@r4
-	add	#32,r4
-	movca.l	r0,@r4
-	ocbi	@r4
-	ldc	r1,sr		! restore SR
-	dt	r3
-	bf/s	1b
-	 add	#32,r4
-
-	rts
-	 nop
-	.align	2
-2:	.long	0xffffc000
-3:	.long	empty_zero_page
-4:	.long	0x10000000	! BL bit
-
-/* __flush_cache_4096_all(unsigned long addr) */
-ENTRY(__flush_cache_4096_all)
-	mov.l	2f,r0
-	mov.l	3f,r2
-	and	r0,r2
-	or	r2,r4		! r4 = addr | (unsigned long)&empty_zero_page[0] & ~0x3fff
-	stc	sr,r1		! save SR
-	mov.l	4f,r2
-	or	r1,r2
-	mov	#32,r3
-1:
-	ldc	r2,sr		! set BL bit
-	movca.l	r0,@r4
-	ocbi	@r4
-	add	#32,r4
-	movca.l	r0,@r4
-	ocbi	@r4
-	add	#32,r4
-	movca.l	r0,@r4
-	ocbi	@r4
-	add	#32,r4
-	movca.l	r0,@r4
-	ocbi	@r4
-	ldc	r1,sr		! restore SR
-	dt	r3
-	bf/s	1b
-	 add	#32,r4
-
-	rts
-	 nop
-	.align	2
-2:	.long	0xffffc000
-3:	.long	empty_zero_page
-4:	.long	0x10000000	! BL bit
 #endif
+
diff --git a/arch/sh/mm/consistent.c b/arch/sh/mm/consistent.c
index ee73e30263af..c81e6b67ad30 100644
--- a/arch/sh/mm/consistent.c
+++ b/arch/sh/mm/consistent.c
@@ -9,6 +9,8 @@
  */
 #include <linux/mm.h>
 #include <linux/dma-mapping.h>
+#include <asm/cacheflush.h>
+#include <asm/addrspace.h>
 #include <asm/io.h>
 
 void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *handle)
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 775f86cd3fe8..c69fd603226a 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -1,33 +1,22 @@
-/* $Id: fault.c,v 1.14 2004/01/13 05:52:11 kkojima Exp $
+/*
+ * Page fault handler for SH with an MMU.
  *
- *  linux/arch/sh/mm/fault.c
  *  Copyright (C) 1999  Niibe Yutaka
  *  Copyright (C) 2003  Paul Mundt
  *
  *  Based on linux/arch/i386/mm/fault.c:
  *   Copyright (C) 1995  Linus Torvalds
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
  */
-
-#include <linux/signal.h>
-#include <linux/sched.h>
 #include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-#include <linux/mman.h>
 #include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-
+#include <linux/hardirq.h>
+#include <linux/kprobes.h>
 #include <asm/system.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
 #include <asm/mmu_context.h>
-#include <asm/cacheflush.h>
 #include <asm/kgdb.h>
 
 extern void die(const char *,struct pt_regs *,long);
@@ -187,18 +176,30 @@ do_sigbus:
 		goto no_context;
 }
 
+#ifdef CONFIG_SH_STORE_QUEUES
 /*
- * Called with interrupt disabled.
+ * This is a special case for the SH-4 store queues, as pages for this
+ * space still need to be faulted in before it's possible to flush the
+ * store queue cache for writeout to the remapped region.
  */
-asmlinkage int __do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
-			       unsigned long address)
+#define P3_ADDR_MAX		(P4SEG_STORE_QUE + 0x04000000)
+#else
+#define P3_ADDR_MAX		P4SEG
+#endif
+
+/*
+ * Called with interrupts disabled.
+ */
+asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
+					 unsigned long writeaccess,
+					 unsigned long address)
 {
-	unsigned long addrmax = P4SEG;
 	pgd_t *pgd;
+	pud_t *pud;
 	pmd_t *pmd;
 	pte_t *pte;
 	pte_t entry;
-	struct mm_struct *mm;
+	struct mm_struct *mm = current->mm;
 	spinlock_t *ptl;
 	int ret = 1;
 
@@ -207,31 +208,37 @@ asmlinkage int __do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
 		kgdb_bus_err_hook();
 #endif
 
-#ifdef CONFIG_SH_STORE_QUEUES
-	addrmax = P4SEG_STORE_QUE + 0x04000000;
-#endif
-
-	if (address >= P3SEG && address < addrmax) {
+	/*
+	 * We don't take page faults for P1, P2, and parts of P4, these
+	 * are always mapped, whether it be due to legacy behaviour in
+	 * 29-bit mode, or due to PMB configuration in 32-bit mode.
+	 */
+	if (address >= P3SEG && address < P3_ADDR_MAX) {
 		pgd = pgd_offset_k(address);
 		mm = NULL;
-	} else if (address >= TASK_SIZE)
-		return 1;
-	else if (!(mm = current->mm))
-		return 1;
-	else
+	} else {
+		if (unlikely(address >= TASK_SIZE || !mm))
+			return 1;
+
 		pgd = pgd_offset(mm, address);
+	}
 
-	pmd = pmd_offset(pgd, address);
+	pud = pud_offset(pgd, address);
+	if (pud_none_or_clear_bad(pud))
+		return 1;
+	pmd = pmd_offset(pud, address);
 	if (pmd_none_or_clear_bad(pmd))
 		return 1;
+
 	if (mm)
 		pte = pte_offset_map_lock(mm, pmd, address, &ptl);
 	else
 		pte = pte_offset_kernel(pmd, address);
 
 	entry = *pte;
-	if (pte_none(entry) || pte_not_present(entry)
-	    || (writeaccess && !pte_write(entry)))
+	if (unlikely(pte_none(entry) || pte_not_present(entry)))
+		goto unlock;
+	if (unlikely(writeaccess && !pte_write(entry)))
 		goto unlock;
 
 	if (writeaccess)
@@ -243,13 +250,7 @@ asmlinkage int __do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
 	 * ITLB is not affected by "ldtlb" instruction.
 	 * So, we need to flush the entry by ourselves.
 	 */
-
-	{
-		unsigned long flags;
-		local_irq_save(flags);
-		__flush_tlb_page(get_asid(), address&PAGE_MASK);
-		local_irq_restore(flags);
-	}
+	__flush_tlb_page(get_asid(), address & PAGE_MASK);
 #endif
 
 	set_pte(pte, entry);
@@ -260,121 +261,3 @@ unlock:
 		pte_unmap_unlock(pte, ptl);
 	return ret;
 }
-
-void flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
-{
-	if (vma->vm_mm && vma->vm_mm->context != NO_CONTEXT) {
-		unsigned long flags;
-		unsigned long asid;
-		unsigned long saved_asid = MMU_NO_ASID;
-
-		asid = vma->vm_mm->context & MMU_CONTEXT_ASID_MASK;
-		page &= PAGE_MASK;
-
-		local_irq_save(flags);
-		if (vma->vm_mm != current->mm) {
-			saved_asid = get_asid();
-			set_asid(asid);
-		}
-		__flush_tlb_page(asid, page);
-		if (saved_asid != MMU_NO_ASID)
-			set_asid(saved_asid);
-		local_irq_restore(flags);
-	}
-}
-
-void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
-		     unsigned long end)
-{
-	struct mm_struct *mm = vma->vm_mm;
-
-	if (mm->context != NO_CONTEXT) {
-		unsigned long flags;
-		int size;
-
-		local_irq_save(flags);
-		size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
-		if (size > (MMU_NTLB_ENTRIES/4)) { /* Too many TLB to flush */
-			mm->context = NO_CONTEXT;
-			if (mm == current->mm)
-				activate_context(mm);
-		} else {
-			unsigned long asid = mm->context&MMU_CONTEXT_ASID_MASK;
-			unsigned long saved_asid = MMU_NO_ASID;
-
-			start &= PAGE_MASK;
-			end += (PAGE_SIZE - 1);
-			end &= PAGE_MASK;
-			if (mm != current->mm) {
-				saved_asid = get_asid();
-				set_asid(asid);
-			}
-			while (start < end) {
-				__flush_tlb_page(asid, start);
-				start += PAGE_SIZE;
-			}
-			if (saved_asid != MMU_NO_ASID)
-				set_asid(saved_asid);
-		}
-		local_irq_restore(flags);
-	}
-}
-
-void flush_tlb_kernel_range(unsigned long start, unsigned long end)
-{
-	unsigned long flags;
-	int size;
-
-	local_irq_save(flags);
-	size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
-	if (size > (MMU_NTLB_ENTRIES/4)) { /* Too many TLB to flush */
-		flush_tlb_all();
-	} else {
-		unsigned long asid = init_mm.context&MMU_CONTEXT_ASID_MASK;
-		unsigned long saved_asid = get_asid();
-
-		start &= PAGE_MASK;
-		end += (PAGE_SIZE - 1);
-		end &= PAGE_MASK;
-		set_asid(asid);
-		while (start < end) {
-			__flush_tlb_page(asid, start);
-			start += PAGE_SIZE;
-		}
-		set_asid(saved_asid);
-	}
-	local_irq_restore(flags);
-}
-
-void flush_tlb_mm(struct mm_struct *mm)
-{
-	/* Invalidate all TLB of this process. */
-	/* Instead of invalidating each TLB, we get new MMU context. */
-	if (mm->context != NO_CONTEXT) {
-		unsigned long flags;
-
-		local_irq_save(flags);
-		mm->context = NO_CONTEXT;
-		if (mm == current->mm)
-			activate_context(mm);
-		local_irq_restore(flags);
-	}
-}
-
-void flush_tlb_all(void)
-{
-	unsigned long flags, status;
-
-	/*
-	 * Flush all the TLB.
-	 *
-	 * Write to the MMU control register's bit:
-	 * 	TF-bit for SH-3, TI-bit for SH-4.
-	 *      It's same position, bit #2.
-	 */
-	local_irq_save(flags);
-	status = ctrl_inl(MMUCR);
-	status |= 0x04;		
-	ctrl_outl(status, MMUCR);
-	local_irq_restore(flags);
-}
diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c
index 2a85bc15a412..329059d6b54a 100644
--- a/arch/sh/mm/hugetlbpage.c
+++ b/arch/sh/mm/hugetlbpage.c
@@ -26,61 +26,41 @@
 pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr)
 {
 	pgd_t *pgd;
+	pud_t *pud;
 	pmd_t *pmd;
 	pte_t *pte = NULL;
 
 	pgd = pgd_offset(mm, addr);
 	if (pgd) {
-		pmd = pmd_alloc(mm, pgd, addr);
-		if (pmd)
-			pte = pte_alloc_map(mm, pmd, addr);
+		pud = pud_alloc(mm, pgd, addr);
+		if (pud) {
+			pmd = pmd_alloc(mm, pud, addr);
+			if (pmd)
+				pte = pte_alloc_map(mm, pmd, addr);
+		}
 	}
+
 	return pte;
 }
 
 pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
 {
 	pgd_t *pgd;
+	pud_t *pud;
 	pmd_t *pmd;
 	pte_t *pte = NULL;
 
 	pgd = pgd_offset(mm, addr);
 	if (pgd) {
-		pmd = pmd_offset(pgd, addr);
-		if (pmd)
-			pte = pte_offset_map(pmd, addr);
-	}
-	return pte;
-}
-
-void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
-		     pte_t *ptep, pte_t entry)
-{
-	int i;
-
-	for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {
-		set_pte_at(mm, addr, ptep, entry);
-		ptep++;
-		addr += PAGE_SIZE;
-		pte_val(entry) += PAGE_SIZE;
+		pud = pud_offset(pgd, addr);
+		if (pud) {
+			pmd = pmd_offset(pud, addr);
+			if (pmd)
+				pte = pte_offset_map(pmd, addr);
+		}
 	}
-}
-
-pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
-			      pte_t *ptep)
-{
-	pte_t entry;
-	int i;
-
-	entry = *ptep;
 
-	for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {
-		pte_clear(mm, addr, ptep);
-		addr += PAGE_SIZE;
-		ptep++;
-	}
-
-	return entry;
+	return pte;
 }
 
 struct page *follow_huge_addr(struct mm_struct *mm,
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 8ea27ca4b700..7154d1ce9785 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -24,7 +24,7 @@
 #include <linux/highmem.h>
 #include <linux/bootmem.h>
 #include <linux/pagemap.h>
-
+#include <linux/proc_fs.h>
 #include <asm/processor.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
@@ -80,6 +80,7 @@ void show_mem(void)
 static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot)
 {
 	pgd_t *pgd;
+	pud_t *pud;
 	pmd_t *pmd;
 	pte_t *pte;
 
@@ -89,7 +90,17 @@ static void set_pte_phys(unsigned long addr, unsigned long phys, pgprot_t prot)
 		return;
 	}
 
-	pmd = pmd_offset(pgd, addr);
+	pud = pud_offset(pgd, addr);
+	if (pud_none(*pud)) {
+		pmd = (pmd_t *)get_zeroed_page(GFP_ATOMIC);
+		set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE | _PAGE_USER));
+		if (pmd != pmd_offset(pud, 0)) {
+			pud_ERROR(*pud);
+			return;
+		}
+	}
+
+	pmd = pmd_offset(pud, addr);
 	if (pmd_none(*pmd)) {
 		pte = (pte_t *)get_zeroed_page(GFP_ATOMIC);
 		set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE | _PAGE_USER));
@@ -212,6 +223,8 @@ void __init paging_init(void)
 	free_area_init_node(0, NODE_DATA(0), zones_size, __MEMORY_START >> PAGE_SHIFT, 0);
 }
 
+static struct kcore_list kcore_mem, kcore_vmalloc;
+
 void __init mem_init(void)
 {
 	extern unsigned long empty_zero_page[1024];
@@ -237,8 +250,13 @@ void __init mem_init(void)
 	 * Setup wrappers for copy/clear_page(), these will get overridden
 	 * later in the boot process if a better method is available.
 	 */
+#ifdef CONFIG_MMU
 	copy_page = copy_page_slow;
 	clear_page = clear_page_slow;
+#else
+	copy_page = copy_page_nommu;
+	clear_page = clear_page_nommu;
+#endif
 
 	/* this will put all low memory onto the freelists */
 	totalram_pages += free_all_bootmem_node(NODE_DATA(0));
@@ -254,7 +272,12 @@ void __init mem_init(void)
 	datasize =  (unsigned long) &_edata - (unsigned long) &_etext;
 	initsize =  (unsigned long) &__init_end - (unsigned long) &__init_begin;
 
-	printk("Memory: %luk/%luk available (%dk kernel code, %dk reserved, %dk data, %dk init)\n",
+	kclist_add(&kcore_mem, __va(0), max_low_pfn << PAGE_SHIFT);
+	kclist_add(&kcore_vmalloc, (void *)VMALLOC_START,
+		   VMALLOC_END - VMALLOC_START);
+
+	printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, "
+	       "%dk reserved, %dk data, %dk init)\n",
 		(unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
 		max_mapnr << (PAGE_SHIFT-10),
 		codesize >> 10,
@@ -263,6 +286,9 @@ void __init mem_init(void)
 		initsize >> 10);
 
 	p3_cache_init();
+
+	/* Initialize the vDSO */
+	vsyscall_init();
 }
 
 void free_initmem(void)
diff --git a/arch/sh/mm/ioremap.c b/arch/sh/mm/ioremap.c
index 96fa4a999e2a..a9fe80cfc233 100644
--- a/arch/sh/mm/ioremap.c
+++ b/arch/sh/mm/ioremap.c
@@ -15,6 +15,7 @@
 #include <linux/vmalloc.h>
 #include <linux/module.h>
 #include <linux/mm.h>
+#include <linux/pci.h>
 #include <asm/io.h>
 #include <asm/page.h>
 #include <asm/pgalloc.h>
@@ -135,6 +136,20 @@ void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,
 		return (void __iomem *)phys_to_virt(phys_addr);
 
 	/*
+	 * If we're on an SH7751 or SH7780 PCI controller, PCI memory is
+	 * mapped at the end of the address space (typically 0xfd000000)
+	 * in a non-translatable area, so mapping through page tables for
+	 * this area is not only pointless, but also fundamentally
+	 * broken. Just return the physical address instead.
+	 *
+	 * For boards that map a small PCI memory aperture somewhere in
+	 * P1/P2 space, ioremap() will already do the right thing,
+	 * and we'll never get this far.
+	 */
+	if (is_pci_memaddr(phys_addr) && is_pci_memaddr(last_addr))
+		return (void __iomem *)phys_addr;
+
+	/*
 	 * Don't allow anybody to remap normal RAM that we're using..
 	 */
 	if (phys_addr < virt_to_phys(high_memory))
@@ -192,7 +207,7 @@ void __iounmap(void __iomem *addr)
 	unsigned long vaddr = (unsigned long __force)addr;
 	struct vm_struct *p;
 
-	if (PXSEG(vaddr) < P3SEG)
+	if (PXSEG(vaddr) < P3SEG || is_pci_memaddr(vaddr))
 		return;
 
 #ifdef CONFIG_32BIT
diff --git a/arch/sh/mm/pg-nommu.c b/arch/sh/mm/pg-nommu.c
index 8f9165a4e333..d15221beaa16 100644
--- a/arch/sh/mm/pg-nommu.c
+++ b/arch/sh/mm/pg-nommu.c
@@ -14,23 +14,24 @@
 #include <linux/string.h>
 #include <asm/page.h>
 
-static void copy_page_nommu(void *to, void *from)
+void copy_page_nommu(void *to, void *from)
 {
 	memcpy(to, from, PAGE_SIZE);
 }
 
-static void clear_page_nommu(void *to)
+void clear_page_nommu(void *to)
 {
 	memset(to, 0, PAGE_SIZE);
 }
 
-static int __init pg_nommu_init(void)
+__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n)
 {
-	copy_page = copy_page_nommu;
-	clear_page = clear_page_nommu;
-
+	memcpy(to, from, n);
 	return 0;
 }
 
-subsys_initcall(pg_nommu_init);
-
+__kernel_size_t __clear_user(void *to, __kernel_size_t n)
+{
+	memset(to, 0, n);
+	return 0;
+}
diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c
index c776b60fc250..07371ed7a313 100644
--- a/arch/sh/mm/pg-sh4.c
+++ b/arch/sh/mm/pg-sh4.c
@@ -2,7 +2,7 @@
  * arch/sh/mm/pg-sh4.c
  *
  * Copyright (C) 1999, 2000, 2002  Niibe Yutaka
- * Copyright (C) 2002  Paul Mundt
+ * Copyright (C) 2002 - 2005  Paul Mundt
  *
  * Released under the terms of the GNU GPL v2.0.
  */
@@ -23,6 +23,8 @@
 
 extern struct semaphore p3map_sem[];
 
+#define CACHE_ALIAS (cpu_data->dcache.alias_mask)
+
 /*
  * clear_user_page
  * @to: P1 address
@@ -35,14 +37,15 @@ void clear_user_page(void *to, unsigned long address, struct page *page)
 	if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0)
 		clear_page(to);
 	else {
-		pgprot_t pgprot = __pgprot(_PAGE_PRESENT | 
+		pgprot_t pgprot = __pgprot(_PAGE_PRESENT |
 					   _PAGE_RW | _PAGE_CACHABLE |
-					   _PAGE_DIRTY | _PAGE_ACCESSED | 
+					   _PAGE_DIRTY | _PAGE_ACCESSED |
 					   _PAGE_HW_SHARED | _PAGE_FLAGS_HARD);
 		unsigned long phys_addr = PHYSADDR(to);
 		unsigned long p3_addr = P3SEG + (address & CACHE_ALIAS);
-		pgd_t *dir = pgd_offset_k(p3_addr);
-		pmd_t *pmd = pmd_offset(dir, p3_addr);
+		pgd_t *pgd = pgd_offset_k(p3_addr);
+		pud_t *pud = pud_offset(pgd, p3_addr);
+		pmd_t *pmd = pmd_offset(pud, p3_addr);
 		pte_t *pte = pte_offset_kernel(pmd, p3_addr);
 		pte_t entry;
 		unsigned long flags;
@@ -67,21 +70,22 @@ void clear_user_page(void *to, unsigned long address, struct page *page)
  * @address: U0 address to be mapped
  * @page: page (virt_to_page(to))
  */
-void copy_user_page(void *to, void *from, unsigned long address, 
+void copy_user_page(void *to, void *from, unsigned long address,
 		    struct page *page)
 {
 	__set_bit(PG_mapped, &page->flags);
 	if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0)
 		copy_page(to, from);
 	else {
-		pgprot_t pgprot = __pgprot(_PAGE_PRESENT | 
+		pgprot_t pgprot = __pgprot(_PAGE_PRESENT |
 					   _PAGE_RW | _PAGE_CACHABLE |
-					   _PAGE_DIRTY | _PAGE_ACCESSED | 
+					   _PAGE_DIRTY | _PAGE_ACCESSED |
 					   _PAGE_HW_SHARED | _PAGE_FLAGS_HARD);
 		unsigned long phys_addr = PHYSADDR(to);
 		unsigned long p3_addr = P3SEG + (address & CACHE_ALIAS);
-		pgd_t *dir = pgd_offset_k(p3_addr);
-		pmd_t *pmd = pmd_offset(dir, p3_addr);
+		pgd_t *pgd = pgd_offset_k(p3_addr);
+		pud_t *pud = pud_offset(pgd, p3_addr);
+		pmd_t *pmd = pmd_offset(pud, p3_addr);
 		pte_t *pte = pte_offset_kernel(pmd, p3_addr);
 		pte_t entry;
 		unsigned long flags;
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
new file mode 100644
index 000000000000..92e745341e4d
--- /dev/null
+++ b/arch/sh/mm/pmb.c
@@ -0,0 +1,400 @@
+/*
+ * arch/sh/mm/pmb.c
+ *
+ * Privileged Space Mapping Buffer (PMB) Support.
+ *
+ * Copyright (C) 2005, 2006 Paul Mundt
+ *
+ * P1/P2 Section mapping definitions from map32.h, which was:
+ *
+ *	Copyright 2003 (c) Lineo Solutions,Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/bitops.h>
+#include <linux/debugfs.h>
+#include <linux/fs.h>
+#include <linux/seq_file.h>
+#include <linux/err.h>
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <asm/pgtable.h>
+#include <asm/mmu.h>
+#include <asm/io.h>
+
+#define NR_PMB_ENTRIES	16
+
+static kmem_cache_t *pmb_cache;
+static unsigned long pmb_map;
+
+static struct pmb_entry pmb_init_map[] = {
+	/* vpn         ppn         flags (ub/sz/c/wt) */
+
+	/* P1 Section Mappings */
+	{ 0x80000000, 0x00000000, PMB_SZ_64M  | PMB_C, },
+	{ 0x84000000, 0x04000000, PMB_SZ_64M  | PMB_C, },
+	{ 0x88000000, 0x08000000, PMB_SZ_128M | PMB_C, },
+	{ 0x90000000, 0x10000000, PMB_SZ_64M  | PMB_C, },
+	{ 0x94000000, 0x14000000, PMB_SZ_64M  | PMB_C, },
+	{ 0x98000000, 0x18000000, PMB_SZ_64M  | PMB_C, },
+
+	/* P2 Section Mappings */
+	{ 0xa0000000, 0x00000000, PMB_UB | PMB_SZ_64M  | PMB_WT, },
+	{ 0xa4000000, 0x04000000, PMB_UB | PMB_SZ_64M  | PMB_WT, },
+	{ 0xa8000000, 0x08000000, PMB_UB | PMB_SZ_128M | PMB_WT, },
+	{ 0xb0000000, 0x10000000, PMB_UB | PMB_SZ_64M  | PMB_WT, },
+	{ 0xb4000000, 0x14000000, PMB_UB | PMB_SZ_64M  | PMB_WT, },
+	{ 0xb8000000, 0x18000000, PMB_UB | PMB_SZ_64M  | PMB_WT, },
+};
+
+static inline unsigned long mk_pmb_entry(unsigned int entry)
+{
+	return (entry & PMB_E_MASK) << PMB_E_SHIFT;
+}
+
+static inline unsigned long mk_pmb_addr(unsigned int entry)
+{
+	return mk_pmb_entry(entry) | PMB_ADDR;
+}
+
+static inline unsigned long mk_pmb_data(unsigned int entry)
+{
+	return mk_pmb_entry(entry) | PMB_DATA;
+}
+
+struct pmb_entry *pmb_alloc(unsigned long vpn, unsigned long ppn,
+			    unsigned long flags)
+{
+	struct pmb_entry *pmbe;
+
+	pmbe = kmem_cache_alloc(pmb_cache, GFP_KERNEL);
+	if (!pmbe)
+		return ERR_PTR(-ENOMEM);
+
+	pmbe->vpn	= vpn;
+	pmbe->ppn	= ppn;
+	pmbe->flags	= flags;
+
+	return pmbe;
+}
+
+void pmb_free(struct pmb_entry *pmbe)
+{
+	kmem_cache_free(pmb_cache, pmbe);
+}
+
+/*
+ * Must be in P2 for __set_pmb_entry()
+ */
+int __set_pmb_entry(unsigned long vpn, unsigned long ppn,
+		    unsigned long flags, int *entry)
+{
+	unsigned int pos = *entry;
+
+	if (unlikely(pos == PMB_NO_ENTRY))
+		pos = find_first_zero_bit(&pmb_map, NR_PMB_ENTRIES);
+
+repeat:
+	if (unlikely(pos > NR_PMB_ENTRIES))
+		return -ENOSPC;
+
+	if (test_and_set_bit(pos, &pmb_map)) {
+		pos = find_first_zero_bit(&pmb_map, NR_PMB_ENTRIES);
+		goto repeat;
+	}
+
+	ctrl_outl(vpn | PMB_V, mk_pmb_addr(pos));
+
+#ifdef CONFIG_SH_WRITETHROUGH
+	/*
+	 * When we are in 32-bit address extended mode, CCR.CB becomes
+	 * invalid, so care must be taken to manually adjust cacheable
+	 * translations.
+	 */
+	if (likely(flags & PMB_C))
+		flags |= PMB_WT;
+#endif
+
+	ctrl_outl(ppn | flags | PMB_V, mk_pmb_data(pos));
+
+	*entry = pos;
+
+	return 0;
+}
+
+int set_pmb_entry(struct pmb_entry *pmbe)
+{
+	int ret;
+
+	jump_to_P2();
+	ret = __set_pmb_entry(pmbe->vpn, pmbe->ppn, pmbe->flags, &pmbe->entry);
+	back_to_P1();
+
+	return ret;
+}
+
+void clear_pmb_entry(struct pmb_entry *pmbe)
+{
+	unsigned int entry = pmbe->entry;
+	unsigned long addr;
+
+	/*
+	 * Don't allow clearing of wired init entries, P1 or P2 access
+	 * without a corresponding mapping in the PMB will lead to reset
+	 * by the TLB.
+	 */
+	if (unlikely(entry < ARRAY_SIZE(pmb_init_map) ||
+		     entry >= NR_PMB_ENTRIES))
+		return;
+
+	jump_to_P2();
+
+	/* Clear V-bit */
+	addr = mk_pmb_addr(entry);
+	ctrl_outl(ctrl_inl(addr) & ~PMB_V, addr);
+
+	addr = mk_pmb_data(entry);
+	ctrl_outl(ctrl_inl(addr) & ~PMB_V, addr);
+
+	back_to_P1();
+
+	clear_bit(entry, &pmb_map);
+}
+
+static DEFINE_SPINLOCK(pmb_list_lock);
+static struct pmb_entry *pmb_list;
+
+static inline void pmb_list_add(struct pmb_entry *pmbe)
+{
+	struct pmb_entry **p, *tmp;
+
+	p = &pmb_list;
+	while ((tmp = *p) != NULL)
+		p = &tmp->next;
+
+	pmbe->next = tmp;
+	*p = pmbe;
+}
+
+static inline void pmb_list_del(struct pmb_entry *pmbe)
+{
+	struct pmb_entry **p, *tmp;
+
+	for (p = &pmb_list; (tmp = *p); p = &tmp->next)
+		if (tmp == pmbe) {
+			*p = tmp->next;
+			return;
+		}
+}
+
+static struct {
+	unsigned long size;
+	int flag;
+} pmb_sizes[] = {
+	{ .size	= 0x20000000, .flag = PMB_SZ_512M, },
+	{ .size = 0x08000000, .flag = PMB_SZ_128M, },
+	{ .size = 0x04000000, .flag = PMB_SZ_64M,  },
+	{ .size = 0x01000000, .flag = PMB_SZ_16M,  },
+};
+
+long pmb_remap(unsigned long vaddr, unsigned long phys,
+	       unsigned long size, unsigned long flags)
+{
+	struct pmb_entry *pmbp;
+	unsigned long wanted;
+	int pmb_flags, i;
+
+	/* Convert typical pgprot value to the PMB equivalent */
+	if (flags & _PAGE_CACHABLE) {
+		if (flags & _PAGE_WT)
+			pmb_flags = PMB_WT;
+		else
+			pmb_flags = PMB_C;
+	} else
+		pmb_flags = PMB_WT | PMB_UB;
+
+	pmbp = NULL;
+	wanted = size;
+
+again:
+	for (i = 0; i < ARRAY_SIZE(pmb_sizes); i++) {
+		struct pmb_entry *pmbe;
+		int ret;
+
+		if (size < pmb_sizes[i].size)
+			continue;
+
+		pmbe = pmb_alloc(vaddr, phys, pmb_flags | pmb_sizes[i].flag);
+		if (IS_ERR(pmbe))
+			return PTR_ERR(pmbe);
+
+		ret = set_pmb_entry(pmbe);
+		if (ret != 0) {
+			pmb_free(pmbe);
+			return -EBUSY;
+		}
+
+		phys	+= pmb_sizes[i].size;
+		vaddr	+= pmb_sizes[i].size;
+		size	-= pmb_sizes[i].size;
+
+		/*
+		 * Link adjacent entries that span multiple PMB entries
+		 * for easier tear-down.
+		 */
+		if (likely(pmbp))
+			pmbp->link = pmbe;
+
+		pmbp = pmbe;
+	}
+
+	if (size >= 0x1000000)
+		goto again;
+
+	return wanted - size;
+}
+
+void pmb_unmap(unsigned long addr)
+{
+	struct pmb_entry **p, *pmbe;
+
+	for (p = &pmb_list; (pmbe = *p); p = &pmbe->next)
+		if (pmbe->vpn == addr)
+			break;
+
+	if (unlikely(!pmbe))
+		return;
+
+	WARN_ON(!test_bit(pmbe->entry, &pmb_map));
+
+	do {
+		struct pmb_entry *pmblink = pmbe;
+
+		clear_pmb_entry(pmbe);
+		pmbe = pmblink->link;
+
+		pmb_free(pmblink);
+	} while (pmbe);
+}
+
+static void pmb_cache_ctor(void *pmb, kmem_cache_t *cachep, unsigned long flags)
+{
+	struct pmb_entry *pmbe = pmb;
+
+	memset(pmb, 0, sizeof(struct pmb_entry));
+
+	spin_lock_irq(&pmb_list_lock);
+
+	pmbe->entry = PMB_NO_ENTRY;
+	pmb_list_add(pmbe);
+
+	spin_unlock_irq(&pmb_list_lock);
+}
+
+static void pmb_cache_dtor(void *pmb, kmem_cache_t *cachep, unsigned long flags)
+{
+	spin_lock_irq(&pmb_list_lock);
+	pmb_list_del(pmb);
+	spin_unlock_irq(&pmb_list_lock);
+}
+
+static int __init pmb_init(void)
+{
+	unsigned int nr_entries = ARRAY_SIZE(pmb_init_map);
+	unsigned int entry;
+
+	BUG_ON(unlikely(nr_entries >= NR_PMB_ENTRIES));
+
+	pmb_cache = kmem_cache_create("pmb", sizeof(struct pmb_entry),
+				      0, 0, pmb_cache_ctor, pmb_cache_dtor);
+	BUG_ON(!pmb_cache);
+
+	jump_to_P2();
+
+	/*
+	 * Ordering is important, P2 must be mapped in the PMB before we
+	 * can set PMB.SE, and P1 must be mapped before we jump back to
+	 * P1 space.
+	 */
+	for (entry = 0; entry < nr_entries; entry++) {
+		struct pmb_entry *pmbe = pmb_init_map + entry;
+
+		__set_pmb_entry(pmbe->vpn, pmbe->ppn, pmbe->flags, &entry);
+	}
+
+	ctrl_outl(0, PMB_IRMCR);
+
+	/* PMB.SE and UB[7] */
+	ctrl_outl((1 << 31) | (1 << 7), PMB_PASCR);
+
+	back_to_P1();
+
+	return 0;
+}
+arch_initcall(pmb_init);
+
+static int pmb_seq_show(struct seq_file *file, void *iter)
+{
+	int i;
+
+	seq_printf(file, "V: Valid, C: Cacheable, WT: Write-Through\n"
+			 "CB: Copy-Back, B: Buffered, UB: Unbuffered\n");
+	seq_printf(file, "ety   vpn  ppn  size   flags\n");
+
+	for (i = 0; i < NR_PMB_ENTRIES; i++) {
+		unsigned long addr, data;
+		unsigned int size;
+		char *sz_str = NULL;
+
+		addr = ctrl_inl(mk_pmb_addr(i));
+		data = ctrl_inl(mk_pmb_data(i));
+
+		size = data & PMB_SZ_MASK;
+		sz_str = (size == PMB_SZ_16M)  ? " 16MB":
+			 (size == PMB_SZ_64M)  ? " 64MB":
+			 (size == PMB_SZ_128M) ? "128MB":
+					         "512MB";
+
+		/* 02: V 0x88 0x08 128MB C CB  B */
+		seq_printf(file, "%02d: %c 0x%02lx 0x%02lx %s %c %s %s\n",
+			   i, ((addr & PMB_V) && (data & PMB_V)) ? 'V' : ' ',
+			   (addr >> 24) & 0xff, (data >> 24) & 0xff,
+			   sz_str, (data & PMB_C) ? 'C' : ' ',
+			   (data & PMB_WT) ? "WT" : "CB",
+			   (data & PMB_UB) ? "UB" : " B");
+	}
+
+	return 0;
+}
+
+static int pmb_debugfs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, pmb_seq_show, NULL);
+}
+
+static struct file_operations pmb_debugfs_fops = {
+	.owner		= THIS_MODULE,
+	.open		= pmb_debugfs_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
+static int __init pmb_debugfs_init(void)
+{
+	struct dentry *dentry;
+
+	dentry = debugfs_create_file("pmb", S_IFREG | S_IRUGO,
+				     NULL, NULL, &pmb_debugfs_fops);
+	if (IS_ERR(dentry))
+		return PTR_ERR(dentry);
+
+	return 0;
+}
+postcore_initcall(pmb_debugfs_init);
diff --git a/arch/sh/mm/tlb-flush.c b/arch/sh/mm/tlb-flush.c
new file mode 100644
index 000000000000..73ec7f6084fa
--- /dev/null
+++ b/arch/sh/mm/tlb-flush.c
@@ -0,0 +1,134 @@
+/*
+ * TLB flushing operations for SH with an MMU.
+ *
+ *  Copyright (C) 1999  Niibe Yutaka
+ *  Copyright (C) 2003  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/mm.h>
+#include <asm/mmu_context.h>
+#include <asm/tlbflush.h>
+
+void flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
+{
+	if (vma->vm_mm && vma->vm_mm->context.id != NO_CONTEXT) {
+		unsigned long flags;
+		unsigned long asid;
+		unsigned long saved_asid = MMU_NO_ASID;
+
+		asid = vma->vm_mm->context.id & MMU_CONTEXT_ASID_MASK;
+		page &= PAGE_MASK;
+
+		local_irq_save(flags);
+		if (vma->vm_mm != current->mm) {
+			saved_asid = get_asid();
+			set_asid(asid);
+		}
+		__flush_tlb_page(asid, page);
+		if (saved_asid != MMU_NO_ASID)
+			set_asid(saved_asid);
+		local_irq_restore(flags);
+	}
+}
+
+void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
+		     unsigned long end)
+{
+	struct mm_struct *mm = vma->vm_mm;
+
+	if (mm->context.id != NO_CONTEXT) {
+		unsigned long flags;
+		int size;
+
+		local_irq_save(flags);
+		size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
+		if (size > (MMU_NTLB_ENTRIES/4)) { /* Too many TLB to flush */
+			mm->context.id = NO_CONTEXT;
+			if (mm == current->mm)
+				activate_context(mm);
+		} else {
+			unsigned long asid;
+			unsigned long saved_asid = MMU_NO_ASID;
+
+			asid = mm->context.id & MMU_CONTEXT_ASID_MASK;
+			start &= PAGE_MASK;
+			end += (PAGE_SIZE - 1);
+			end &= PAGE_MASK;
+			if (mm != current->mm) {
+				saved_asid = get_asid();
+				set_asid(asid);
+			}
+			while (start < end) {
+				__flush_tlb_page(asid, start);
+				start += PAGE_SIZE;
+			}
+			if (saved_asid != MMU_NO_ASID)
+				set_asid(saved_asid);
+		}
+		local_irq_restore(flags);
+	}
+}
+
+void flush_tlb_kernel_range(unsigned long start, unsigned long end)
+{
+	unsigned long flags;
+	int size;
+
+	local_irq_save(flags);
+	size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
+	if (size > (MMU_NTLB_ENTRIES/4)) { /* Too many TLB to flush */
+		flush_tlb_all();
+	} else {
+		unsigned long asid;
+		unsigned long saved_asid = get_asid();
+
+		asid = init_mm.context.id & MMU_CONTEXT_ASID_MASK;
+		start &= PAGE_MASK;
+		end += (PAGE_SIZE - 1);
+		end &= PAGE_MASK;
+		set_asid(asid);
+		while (start < end) {
+			__flush_tlb_page(asid, start);
+			start += PAGE_SIZE;
+		}
+		set_asid(saved_asid);
+	}
+	local_irq_restore(flags);
+}
+
+void flush_tlb_mm(struct mm_struct *mm)
+{
+	/* Invalidate all TLB of this process. */
+	/* Instead of invalidating each TLB, we get new MMU context. */
+	if (mm->context.id != NO_CONTEXT) {
+		unsigned long flags;
+
+		local_irq_save(flags);
+		mm->context.id = NO_CONTEXT;
+		if (mm == current->mm)
+			activate_context(mm);
+		local_irq_restore(flags);
+	}
+}
+
+void flush_tlb_all(void)
+{
+	unsigned long flags, status;
+
+	/*
+	 * Flush all the TLB.
+	 *
+	 * Write to the MMU control register's bit:
+	 *	TF-bit for SH-3, TI-bit for SH-4.
+	 *      It's same position, bit #2.
+	 */
+	local_irq_save(flags);
+	status = ctrl_inl(MMUCR);
+	status |= 0x04;
+	ctrl_outl(status, MMUCR);
+	ctrl_barrier();
+	local_irq_restore(flags);
+}
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index 115b1b6be40b..812b2d567de2 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -36,7 +36,6 @@ void update_mmu_cache(struct vm_area_struct * vma,
 	unsigned long vpn;
 	struct page *page;
 	unsigned long pfn;
-	unsigned long ptea;
 
 	/* Ptrace may call this routine. */
 	if (vma && current->active_mm != vma->vm_mm)
@@ -59,10 +58,11 @@ void update_mmu_cache(struct vm_area_struct * vma,
 	ctrl_outl(vpn, MMU_PTEH);
 
 	pteval = pte_val(pte);
+
 	/* Set PTEA register */
-	/* TODO: make this look less hacky */
-	ptea = ((pteval >> 28) & 0xe) | (pteval & 0x1);
-	ctrl_outl(ptea, MMU_PTEA);
+	if (cpu_data->flags & CPU_HAS_PTEA)
+		/* TODO: make this look less hacky */
+		ctrl_outl(((pteval >> 28) & 0xe) | (pteval & 0x1), MMU_PTEA);
 
 	/* Set PTEL register */
 	pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */
diff --git a/arch/sh/oprofile/Makefile b/arch/sh/oprofile/Makefile
index 686738d4aa3c..1f25d9bb7538 100644
--- a/arch/sh/oprofile/Makefile
+++ b/arch/sh/oprofile/Makefile
@@ -7,7 +7,11 @@ DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
 		timer_int.o )
 
 profdrvr-y				:= op_model_null.o
+
+# SH7750-style performance counters exist across 7750/7750S and 7091.
+profdrvr-$(CONFIG_CPU_SUBTYPE_SH7750S)	:= op_model_sh7750.o
 profdrvr-$(CONFIG_CPU_SUBTYPE_SH7750)	:= op_model_sh7750.o
+profdrvr-$(CONFIG_CPU_SUBTYPE_SH7091)	:= op_model_sh7750.o
 
 oprofile-y				:= $(DRIVER_OBJS) $(profdrvr-y)
 
diff --git a/arch/sh/tools/mach-types b/arch/sh/tools/mach-types
index 182fe9092577..ac57638977ee 100644
--- a/arch/sh/tools/mach-types
+++ b/arch/sh/tools/mach-types
@@ -8,16 +8,15 @@
 SE			SH_SOLUTION_ENGINE
 7751SE			SH_7751_SOLUTION_ENGINE		
 7300SE			SH_7300_SOLUTION_ENGINE
+7343SE			SH_7343_SOLUTION_ENGINE
 73180SE			SH_73180_SOLUTION_ENGINE
 7751SYSTEMH		SH_7751_SYSTEMH
 HP6XX			SH_HP6XX
 HD64461			HD64461
 HD64465			HD64465
-SH2000			SH_SH2000
 SATURN			SH_SATURN
 DREAMCAST		SH_DREAMCAST
 BIGSUR			SH_BIGSUR
-ADX			SH_ADX
 MPC1211			SH_MPC1211
 SNAPGEAR		SH_SECUREEDGE5410
 HS7751RVOIP		SH_HS7751RVOIP
@@ -25,4 +24,9 @@ RTS7751R2D		SH_RTS7751R2D
 EDOSK7705		SH_EDOSK7705
 SH4202_MICRODEV		SH_SH4202_MICRODEV
 SH03			SH_SH03
-
+LANDISK			SH_LANDISK
+R7780RP			SH_R7780RP
+R7780MP			SH_R7780MP
+TITAN			SH_TITAN
+SHMIN			SH_SHMIN
+7710VOIPGW		SH_7710VOIPGW
diff --git a/arch/sh64/mm/init.c b/arch/sh64/mm/init.c
index 1169757fb38b..83295bd21aa7 100644
--- a/arch/sh64/mm/init.c
+++ b/arch/sh64/mm/init.c
@@ -110,7 +110,7 @@ void show_mem(void)
  */
 void __init paging_init(void)
 {
-	unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+	unsigned long zones_size[MAX_NR_ZONES] = {0, };
 
 	pgd_init((unsigned long)swapper_pg_dir);
 	pgd_init((unsigned long)swapper_pg_dir +
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 16e13f663ab0..b27a506309ee 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -2175,7 +2175,7 @@ void __init ld_mmu_srmmu(void)
 
 	BTFIXUPSET_CALL(pte_pfn, srmmu_pte_pfn, BTFIXUPCALL_NORM);
 	BTFIXUPSET_CALL(pmd_page, srmmu_pmd_page, BTFIXUPCALL_NORM);
-	BTFIXUPSET_CALL(pgd_page, srmmu_pgd_page, BTFIXUPCALL_NORM);
+	BTFIXUPSET_CALL(pgd_page_vaddr, srmmu_pgd_page, BTFIXUPCALL_NORM);
 
 	BTFIXUPSET_SETHI(none_mask, 0xF0000000);
 
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 7fdddf3c7e16..436021ceb2e7 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -2280,5 +2280,5 @@ void __init ld_mmu_sun4c(void)
 
 	/* These should _never_ get called with two level tables. */
 	BTFIXUPSET_CALL(pgd_set, sun4c_pgd_set, BTFIXUPCALL_NOP);
-	BTFIXUPSET_CALL(pgd_page, sun4c_pgd_page, BTFIXUPCALL_RETO0);
+	BTFIXUPSET_CALL(pgd_page_vaddr, sun4c_pgd_page, BTFIXUPCALL_RETO0);
 }
diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig
index 51cf6027b701..0fbdaa5daa8c 100644
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.18
-# Sat Sep 23 18:32:19 2006
+# Tue Sep 26 23:09:35 2006
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
@@ -141,6 +141,7 @@ CONFIG_SUN_AUXIO=y
 CONFIG_SUN_IO=y
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
+# CONFIG_PCI_MULTITHREAD_PROBE is not set
 # CONFIG_PCI_DEBUG is not set
 CONFIG_SUN_OPENPROMFS=m
 CONFIG_SPARC32_COMPAT=y
@@ -194,21 +195,9 @@ CONFIG_INET_XFRM_MODE_TRANSPORT=y
 CONFIG_INET_XFRM_MODE_TUNNEL=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
-CONFIG_TCP_CONG_ADVANCED=y
-
-#
-# TCP congestion control
-#
-CONFIG_TCP_CONG_BIC=y
-CONFIG_TCP_CONG_CUBIC=m
-CONFIG_TCP_CONG_WESTWOOD=m
-CONFIG_TCP_CONG_HTCP=m
-CONFIG_TCP_CONG_HSTCP=m
-CONFIG_TCP_CONG_HYBLA=m
-CONFIG_TCP_CONG_VEGAS=m
-CONFIG_TCP_CONG_SCALABLE=m
-CONFIG_TCP_CONG_LP=m
-CONFIG_TCP_CONG_VENO=m
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
 CONFIG_IPV6=m
 CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
@@ -247,6 +236,7 @@ CONFIG_IP_DCCP_TFRC_LIB=m
 # DCCP Kernel Hacking
 #
 # CONFIG_IP_DCCP_DEBUG is not set
+# CONFIG_NET_DCCPPROBE is not set
 
 #
 # SCTP Configuration (EXPERIMENTAL)
@@ -401,6 +391,7 @@ CONFIG_IDEDMA_AUTO=y
 #
 CONFIG_RAID_ATTRS=m
 CONFIG_SCSI=y
+CONFIG_SCSI_NETLINK=y
 CONFIG_SCSI_PROC_FS=y
 
 #
@@ -422,12 +413,13 @@ CONFIG_SCSI_CONSTANTS=y
 # CONFIG_SCSI_LOGGING is not set
 
 #
-# SCSI Transport Attributes
+# SCSI Transports
 #
 CONFIG_SCSI_SPI_ATTRS=y
 CONFIG_SCSI_FC_ATTRS=y
 CONFIG_SCSI_ISCSI_ATTRS=m
 # CONFIG_SCSI_SAS_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
 
 #
 # SCSI low-level drivers
@@ -440,16 +432,18 @@ CONFIG_ISCSI_TCP=m
 # CONFIG_SCSI_AIC7XXX is not set
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_AIC79XX is not set
+# CONFIG_SCSI_AIC94XX is not set
+# CONFIG_SCSI_ARCMSR is not set
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
 # CONFIG_MEGARAID_SAS is not set
-# CONFIG_SCSI_SATA is not set
 # CONFIG_SCSI_HPTIOP is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_IPS is not set
 # CONFIG_SCSI_INITIO is not set
 # CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_STEX is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_IPR is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
@@ -462,6 +456,11 @@ CONFIG_ISCSI_TCP=m
 # CONFIG_SCSI_SUNESP is not set
 
 #
+# Serial ATA (prod) and Parallel ATA (experimental) drivers
+#
+# CONFIG_ATA is not set
+
+#
 # Multi-device support (RAID and LVM)
 #
 CONFIG_MD=y
@@ -575,6 +574,7 @@ CONFIG_E1000_NAPI=y
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=m
 CONFIG_BNX2=m
+# CONFIG_QLA3XXX is not set
 
 #
 # Ethernet (10000 Mbit)
@@ -1006,6 +1006,7 @@ CONFIG_SND_ALI5451=m
 # CONFIG_SND_VIA82XX_MODEM is not set
 # CONFIG_SND_VX222 is not set
 # CONFIG_SND_YMFPCI is not set
+# CONFIG_SND_AC97_POWER_SAVE is not set
 
 #
 # USB devices
@@ -1353,6 +1354,7 @@ CONFIG_KPROBES=y
 # Kernel hacking
 #
 CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_KERNEL=y
diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index c88ae23ce812..69444f266e2d 100644
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -1016,7 +1016,7 @@ struct __sysctl_args32 {
 
 asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args)
 {
-#ifndef CONFIG_SYSCTL
+#ifndef CONFIG_SYSCTL_SYSCALL
 	return -ENOSYS;
 #else
 	struct __sysctl_args32 tmp;
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index dcba4e6ab570..09cb7fccc03a 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -920,8 +920,7 @@ static unsigned long __init bootmem_init(unsigned long *pages_avail,
 	if (sparc_ramdisk_image || sparc_ramdisk_image64) {
 		unsigned long ramdisk_image = sparc_ramdisk_image ?
 			sparc_ramdisk_image : sparc_ramdisk_image64;
-		if (ramdisk_image >= (unsigned long)_end - 2 * PAGE_SIZE)
-			ramdisk_image -= KERNBASE;
+		ramdisk_image -= KERNBASE;
 		initrd_start = ramdisk_image + phys_base;
 		initrd_end = initrd_start + sparc_ramdisk_size;
 		if (initrd_end > end_of_phys_memory) {
diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c
index 8135ec322c9c..642541769a17 100644
--- a/arch/sparc64/solaris/misc.c
+++ b/arch/sparc64/solaris/misc.c
@@ -736,20 +736,15 @@ struct exec_domain solaris_exec_domain = {
 
 extern int init_socksys(void);
 
-#ifdef MODULE
-
 MODULE_AUTHOR("Jakub Jelinek (jj@ultra.linux.cz), Patrik Rak (prak3264@ss1000.ms.mff.cuni.cz)");
 MODULE_DESCRIPTION("Solaris binary emulation module");
 MODULE_LICENSE("GPL");
 
-#ifdef __sparc_v9__
 extern u32 tl0_solaris[8];
 #define update_ttable(x) 										\
 	tl0_solaris[3] = (((long)(x) - (long)tl0_solaris - 3) >> 2) | 0x40000000;			\
 	wmb();		\
 	__asm__ __volatile__ ("flush %0" : : "r" (&tl0_solaris[3]))
-#else
-#endif	
 
 extern u32 solaris_sparc_syscall[];
 extern u32 solaris_syscall[];
@@ -757,7 +752,7 @@ extern void cleanup_socksys(void);
 
 extern u32 entry64_personality_patch;
 
-int init_module(void)
+static int __init solaris_init(void)
 {
 	int ret;
 
@@ -777,19 +772,12 @@ int init_module(void)
 	return 0;
 }
 
-void cleanup_module(void)
+static void __exit solaris_exit(void)
 {
 	update_ttable(solaris_syscall);
 	cleanup_socksys();
 	unregister_exec_domain(&solaris_exec_domain);
 }
 
-#else
-int init_solaris_emul(void)
-{
-	register_exec_domain(&solaris_exec_domain);
-	init_socksys();
-	return 0;
-}
-#endif
-
+module_init(solaris_init);
+module_exit(solaris_exit);
diff --git a/arch/sparc64/solaris/socksys.c b/arch/sparc64/solaris/socksys.c
index bc3df95bc057..7c90e41fd3be 100644
--- a/arch/sparc64/solaris/socksys.c
+++ b/arch/sparc64/solaris/socksys.c
@@ -168,8 +168,7 @@ static struct file_operations socksys_fops = {
 	.release =	socksys_release,
 };
 
-int __init
-init_socksys(void)
+int __init init_socksys(void)
 {
 	int ret;
 	struct file * file;
@@ -199,8 +198,7 @@ init_socksys(void)
 	return 0;
 }
 
-void
-cleanup_socksys(void)
+void __exit cleanup_socksys(void)
 {
 	if (unregister_chrdev(30, "socksys"))
 		printk ("Couldn't unregister socksys character device\n");
diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64
index 9558a7cf34d5..11154b6773ec 100644
--- a/arch/um/Makefile-x86_64
+++ b/arch/um/Makefile-x86_64
@@ -4,10 +4,13 @@
 core-y += arch/um/sys-x86_64/
 START := 0x60000000
 
+_extra_flags_ = -fno-builtin -m64 -mcmodel=kernel
+
 #We #undef __x86_64__ for kernelspace, not for userspace where
 #it's needed for headers to work!
-CFLAGS += -U__$(SUBARCH)__ -fno-builtin -m64
-USER_CFLAGS += -fno-builtin -m64
+CFLAGS += -U__$(SUBARCH)__ $(_extra_flags_)
+USER_CFLAGS += $(_extra_flags_)
+
 CHECKFLAGS  += -m64
 AFLAGS += -m64
 LDFLAGS += -m elf_x86_64
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 7218c754505b..3576b3cc505e 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -110,7 +110,7 @@ static void not_configged_free(void *data)
 	       "UML\n");
 }
 
-static struct chan_ops not_configged_ops = {
+static const struct chan_ops not_configged_ops = {
 	.init		= not_configged_init,
 	.open		= not_configged_open,
 	.close		= not_configged_close,
@@ -373,7 +373,7 @@ int console_write_chan(struct list_head *chans, const char *buf, int len)
 }
 
 int console_open_chan(struct line *line, struct console *co,
-		      struct chan_opts *opts)
+		      const struct chan_opts *opts)
 {
 	int err;
 
@@ -494,10 +494,10 @@ int chan_config_string(struct list_head *chans, char *str, int size,
 
 struct chan_type {
 	char *key;
-	struct chan_ops *ops;
+	const struct chan_ops *ops;
 };
 
-static struct chan_type chan_table[] = {
+static const struct chan_type chan_table[] = {
 	{ "fd", &fd_ops },
 
 #ifdef CONFIG_NULL_CHAN
@@ -534,17 +534,17 @@ static struct chan_type chan_table[] = {
 };
 
 static struct chan *parse_chan(struct line *line, char *str, int device,
-			       struct chan_opts *opts)
+			       const struct chan_opts *opts)
 {
-	struct chan_type *entry;
-	struct chan_ops *ops;
+	const struct chan_type *entry;
+	const struct chan_ops *ops;
 	struct chan *chan;
 	void *data;
 	int i;
 
 	ops = NULL;
 	data = NULL;
-	for(i = 0; i < sizeof(chan_table)/sizeof(chan_table[0]); i++){
+	for(i = 0; i < ARRAY_SIZE(chan_table); i++){
 		entry = &chan_table[i];
 		if(!strncmp(str, entry->key, strlen(entry->key))){
 			ops = entry->ops;
@@ -582,7 +582,7 @@ static struct chan *parse_chan(struct line *line, char *str, int device,
 }
 
 int parse_chan_pair(char *str, struct line *line, int device,
-		    struct chan_opts *opts)
+		    const struct chan_opts *opts)
 {
 	struct list_head *chans = &line->chan_list;
 	struct chan *new, *chan;
diff --git a/arch/um/drivers/daemon.h b/arch/um/drivers/daemon.h
index 7326c42f7ef9..3bc3cf6b94aa 100644
--- a/arch/um/drivers/daemon.h
+++ b/arch/um/drivers/daemon.h
@@ -18,7 +18,7 @@ struct daemon_data {
 	void *dev;
 };
 
-extern struct net_user_info daemon_user_info;
+extern const struct net_user_info daemon_user_info;
 
 extern int daemon_user_write(int fd, void *buf, int len, 
 			     struct daemon_data *pri);
diff --git a/arch/um/drivers/daemon_kern.c b/arch/um/drivers/daemon_kern.c
index 53d09ed78b42..824386974f88 100644
--- a/arch/um/drivers/daemon_kern.c
+++ b/arch/um/drivers/daemon_kern.c
@@ -57,7 +57,7 @@ static int daemon_write(int fd, struct sk_buff **skb,
 				 (struct daemon_data *) &lp->user));
 }
 
-static struct net_kern_info daemon_kern_info = {
+static const struct net_kern_info daemon_kern_info = {
 	.init			= daemon_init,
 	.protocol		= eth_protocol,
 	.read			= daemon_read,
diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c
index c944265955e2..77954ea77043 100644
--- a/arch/um/drivers/daemon_user.c
+++ b/arch/um/drivers/daemon_user.c
@@ -182,7 +182,7 @@ static int daemon_set_mtu(int mtu, void *data)
 	return(mtu);
 }
 
-struct net_user_info daemon_user_info = {
+const struct net_user_info daemon_user_info = {
 	.init		= daemon_user_init,
 	.open		= daemon_open,
 	.close	 	= NULL,
diff --git a/arch/um/drivers/fd.c b/arch/um/drivers/fd.c
index c41f75e4acb5..108b7dafbd0e 100644
--- a/arch/um/drivers/fd.c
+++ b/arch/um/drivers/fd.c
@@ -20,7 +20,7 @@ struct fd_chan {
 	char str[sizeof("1234567890\0")];
 };
 
-static void *fd_init(char *str, int device, struct chan_opts *opts)
+static void *fd_init(char *str, int device, const struct chan_opts *opts)
 {
 	struct fd_chan *data;
 	char *end;
@@ -77,7 +77,7 @@ static void fd_close(int fd, void *d)
 	}
 }
 
-struct chan_ops fd_ops = {
+const struct chan_ops fd_ops = {
 	.type		= "fd",
 	.init		= fd_init,
 	.open		= fd_open,
diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index 37232f908cd7..d247ef45c374 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -280,7 +280,7 @@ static int hostmixer_release(struct inode *inode, struct file *file)
 
 /* kernel module operations */
 
-static struct file_operations hostaudio_fops = {
+static const struct file_operations hostaudio_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
         .read           = hostaudio_read,
@@ -292,7 +292,7 @@ static struct file_operations hostaudio_fops = {
         .release        = hostaudio_release,
 };
 
-static struct file_operations hostmixer_fops = {
+static const struct file_operations hostmixer_fops = {
         .owner          = THIS_MODULE,
         .llseek         = no_llseek,
         .ioctl          = hostmixer_ioctl_mixdev,
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index ebebaabb78ad..563ce7690a1e 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -251,7 +251,7 @@ void line_set_termios(struct tty_struct *tty, struct termios * old)
 	/* nothing */
 }
 
-static struct {
+static const struct {
 	int  cmd;
 	char *level;
 	char *name;
@@ -405,7 +405,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data,
 
 int line_setup_irq(int fd, int input, int output, struct line *line, void *data)
 {
-	struct line_driver *driver = line->driver;
+	const struct line_driver *driver = line->driver;
 	int err = 0, flags = IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM;
 
 	if (input)
@@ -558,7 +558,7 @@ int line_setup(struct line *lines, unsigned int num, char *init)
 }
 
 int line_config(struct line *lines, unsigned int num, char *str,
-		struct chan_opts *opts)
+		const struct chan_opts *opts)
 {
 	struct line *line;
 	char *new;
diff --git a/arch/um/drivers/mcast.h b/arch/um/drivers/mcast.h
index a2c6db243458..bc56af9d3e53 100644
--- a/arch/um/drivers/mcast.h
+++ b/arch/um/drivers/mcast.h
@@ -13,7 +13,7 @@ struct mcast_data {
 	void *dev;
 };
 
-extern struct net_user_info mcast_user_info;
+extern const struct net_user_info mcast_user_info;
 
 extern int mcast_user_write(int fd, void *buf, int len, 
 			    struct mcast_data *pri);
diff --git a/arch/um/drivers/mcast_kern.c b/arch/um/drivers/mcast_kern.c
index 3a7af18cf944..c090fbd464e7 100644
--- a/arch/um/drivers/mcast_kern.c
+++ b/arch/um/drivers/mcast_kern.c
@@ -61,7 +61,7 @@ static int mcast_write(int fd, struct sk_buff **skb,
 				 (struct mcast_data *) &lp->user);
 }
 
-static struct net_kern_info mcast_kern_info = {
+static const struct net_kern_info mcast_kern_info = {
 	.init			= mcast_init,
 	.protocol		= eth_protocol,
 	.read			= mcast_read,
diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c
index afe85bfa66e0..4d2bd39a85bc 100644
--- a/arch/um/drivers/mcast_user.c
+++ b/arch/um/drivers/mcast_user.c
@@ -152,7 +152,7 @@ static int mcast_set_mtu(int mtu, void *data)
 	return(mtu);
 }
 
-struct net_user_info mcast_user_info = {
+const struct net_user_info mcast_user_info = {
 	.init		= mcast_user_init,
 	.open		= mcast_open,
 	.close	 	= mcast_close,
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index b414522f7686..79610b5ce67e 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -497,7 +497,7 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int,
 	}
 
 	error = NULL;
-	size = sizeof(default_buf)/sizeof(default_buf[0]);
+	size = ARRAY_SIZE(default_buf);
 	buf = default_buf;
 
 	while(1){
diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c
index 9bfd405c3bd8..5b2f5fe9e426 100644
--- a/arch/um/drivers/mconsole_user.c
+++ b/arch/um/drivers/mconsole_user.c
@@ -16,6 +16,7 @@
 #include "user.h"
 #include "mconsole.h"
 #include "umid.h"
+#include "user_util.h"
 
 static struct mconsole_command commands[] = {
 	/* With uts namespaces, uts information becomes process-specific, so
@@ -65,14 +66,14 @@ static struct mconsole_command *mconsole_parse(struct mc_request *req)
 	struct mconsole_command *cmd;
 	int i;
 
-	for(i=0;i<sizeof(commands)/sizeof(commands[0]);i++){
+	for(i = 0; i < ARRAY_SIZE(commands); i++){
 		cmd = &commands[i];
 		if(!strncmp(req->request.data, cmd->command, 
 			    strlen(cmd->command))){
-			return(cmd);
+			return cmd;
 		}
 	}
-	return(NULL);
+	return NULL;
 }
 
 #define MIN(a,b) ((a)<(b) ? (a):(b))
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index 022f67bb6873..9a3b5daf6250 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -85,7 +85,7 @@ mmapper_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations mmapper_fops = {
+static const struct file_operations mmapper_fops = {
 	.owner		= THIS_MODULE,
 	.read		= mmapper_read,
 	.write		= mmapper_write,
@@ -95,7 +95,7 @@ static struct file_operations mmapper_fops = {
 	.release	= mmapper_release,
 };
 
-static struct miscdevice mmapper_dev = {
+static const struct miscdevice mmapper_dev = {
 	.minor		= MISC_DYNAMIC_MINOR,
 	.name		= "mmapper",
 	.fops		= &mmapper_fops
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 501f95675d89..664c2e2fb820 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -31,6 +31,11 @@
 #include "irq_user.h"
 #include "irq_kern.h"
 
+static inline void set_ether_mac(struct net_device *dev, unsigned char *addr)
+{
+	memcpy(dev->dev_addr, addr, ETH_ALEN);
+}
+
 #define DRIVER_NAME "uml-netdev"
 
 static DEFINE_SPINLOCK(opened_lock);
@@ -109,8 +114,6 @@ static int uml_net_open(struct net_device *dev)
 	struct uml_net_private *lp = dev->priv;
 	int err;
 
-	spin_lock(&lp->lock);
-
 	if(lp->fd >= 0){
 		err = -ENXIO;
 		goto out;
@@ -144,8 +147,6 @@ static int uml_net_open(struct net_device *dev)
 	 */
 	while((err = uml_net_rx(dev)) > 0) ;
 
-	spin_unlock(&lp->lock);
-
 	spin_lock(&opened_lock);
 	list_add(&lp->list, &opened);
 	spin_unlock(&opened_lock);
@@ -155,7 +156,6 @@ out_close:
 	if(lp->close != NULL) (*lp->close)(lp->fd, &lp->user);
 	lp->fd = -1;
 out:
-	spin_unlock(&lp->lock);
 	return err;
 }
 
@@ -164,15 +164,12 @@ static int uml_net_close(struct net_device *dev)
 	struct uml_net_private *lp = dev->priv;
 	
 	netif_stop_queue(dev);
-	spin_lock(&lp->lock);
 
 	free_irq(dev->irq, dev);
 	if(lp->close != NULL)
 		(*lp->close)(lp->fd, &lp->user);
 	lp->fd = -1;
 
-	spin_unlock(&lp->lock);
-
 	spin_lock(&opened_lock);
 	list_del(&lp->list);
 	spin_unlock(&opened_lock);
@@ -241,9 +238,9 @@ static int uml_net_set_mac(struct net_device *dev, void *addr)
 	struct uml_net_private *lp = dev->priv;
 	struct sockaddr *hwaddr = addr;
 
-	spin_lock(&lp->lock);
-	memcpy(dev->dev_addr, hwaddr->sa_data, ETH_ALEN);
-	spin_unlock(&lp->lock);
+	spin_lock_irq(&lp->lock);
+	set_ether_mac(dev, hwaddr->sa_data);
+	spin_unlock_irq(&lp->lock);
 
 	return(0);
 }
@@ -253,7 +250,7 @@ static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
 	struct uml_net_private *lp = dev->priv;
 	int err = 0;
 
-	spin_lock(&lp->lock);
+	spin_lock_irq(&lp->lock);
 
 	new_mtu = (*lp->set_mtu)(new_mtu, &lp->user);
 	if(new_mtu < 0){
@@ -264,7 +261,7 @@ static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
 	dev->mtu = new_mtu;
 
  out:
-	spin_unlock(&lp->lock);
+	spin_unlock_irq(&lp->lock);
 	return err;
 }
 
@@ -564,12 +561,13 @@ static int eth_setup(char *str)
 	int n, err;
 
 	err = eth_parse(str, &n, &str);
-	if(err) return(1);
+	if(err)
+		return 1;
 
-	new = alloc_bootmem(sizeof(new));
+	new = alloc_bootmem(sizeof(*new));
 	if (new == NULL){
 		printk("eth_init : alloc_bootmem failed\n");
-		return(1);
+		return 1;
 	}
 
 	INIT_LIST_HEAD(&new->list);
@@ -577,7 +575,7 @@ static int eth_setup(char *str)
 	new->init = str;
 
 	list_add_tail(&new->list, &eth_cmd_line);
-	return(1);
+	return 1;
 }
 
 __setup("eth", eth_setup);
@@ -790,13 +788,6 @@ void dev_ip_addr(void *d, unsigned char *bin_buf)
 	memcpy(bin_buf, &in->ifa_address, sizeof(in->ifa_address));
 }
 
-void set_ether_mac(void *d, unsigned char *addr)
-{
-	struct net_device *dev = d;
-
-	memcpy(dev->dev_addr, addr, ETH_ALEN);	
-}
-
 struct sk_buff *ether_adjust_skb(struct sk_buff *skb, int extra)
 {
 	if((skb != NULL) && (skb_tailroom(skb) < extra)){
diff --git a/arch/um/drivers/null.c b/arch/um/drivers/null.c
index 14cc5f78398a..3683ed44315d 100644
--- a/arch/um/drivers/null.c
+++ b/arch/um/drivers/null.c
@@ -10,7 +10,7 @@
 
 static int null_chan;
 
-static void *null_init(char *str, int device, struct chan_opts *opts)
+static void *null_init(char *str, int device, const struct chan_opts *opts)
 {
 	return(&null_chan);
 }
@@ -31,7 +31,7 @@ static void null_free(void *data)
 {
 }
 
-struct chan_ops null_ops = {
+const struct chan_ops null_ops = {
 	.type		= "null",
 	.init		= null_init,
 	.open		= null_open,
diff --git a/arch/um/drivers/pcap_kern.c b/arch/um/drivers/pcap_kern.c
index 466ff2c2f918..6e1ef8558283 100644
--- a/arch/um/drivers/pcap_kern.c
+++ b/arch/um/drivers/pcap_kern.c
@@ -46,7 +46,7 @@ static int pcap_write(int fd, struct sk_buff **skb, struct uml_net_private *lp)
 	return(-EPERM);
 }
 
-static struct net_kern_info pcap_kern_info = {
+static const struct net_kern_info pcap_kern_info = {
 	.init			= pcap_init,
 	.protocol		= eth_protocol,
 	.read			= pcap_read,
@@ -76,7 +76,7 @@ int pcap_setup(char *str, char **mac_out, void *data)
 	if(host_if != NULL)
 		init->host_if = host_if;
 
-	for(i = 0; i < sizeof(options)/sizeof(options[0]); i++){
+	for(i = 0; i < ARRAY_SIZE(options); i++){
 		if(options[i] == NULL)
 			continue;
 		if(!strcmp(options[i], "promisc"))
diff --git a/arch/um/drivers/pcap_user.c b/arch/um/drivers/pcap_user.c
index edfcb29273e1..2ef641ded960 100644
--- a/arch/um/drivers/pcap_user.c
+++ b/arch/um/drivers/pcap_user.c
@@ -120,7 +120,7 @@ int pcap_user_read(int fd, void *buffer, int len, struct pcap_data *pri)
 	return(hdata.len);
 }
 
-struct net_user_info pcap_user_info = {
+const struct net_user_info pcap_user_info = {
 	.init		= pcap_user_init,
 	.open		= pcap_open,
 	.close	 	= NULL,
diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c
index c43e8bb32502..f2e8fc42ecc2 100644
--- a/arch/um/drivers/port_user.c
+++ b/arch/um/drivers/port_user.c
@@ -27,7 +27,7 @@ struct port_chan {
 	char dev[sizeof("32768\0")];
 };
 
-static void *port_init(char *str, int device, struct chan_opts *opts)
+static void *port_init(char *str, int device, const struct chan_opts *opts)
 {
 	struct port_chan *data;
 	void *kern_data;
@@ -100,7 +100,7 @@ static void port_close(int fd, void *d)
 	os_close_file(fd);
 }
 
-struct chan_ops port_ops = {
+const struct chan_ops port_ops = {
 	.type		= "port",
 	.init		= port_init,
 	.open		= port_open,
diff --git a/arch/um/drivers/pty.c b/arch/um/drivers/pty.c
index 1c555c38de4d..abec620e8380 100644
--- a/arch/um/drivers/pty.c
+++ b/arch/um/drivers/pty.c
@@ -22,7 +22,7 @@ struct pty_chan {
 	char dev_name[sizeof("/dev/pts/0123456\0")];
 };
 
-static void *pty_chan_init(char *str, int device, struct chan_opts *opts)
+static void *pty_chan_init(char *str, int device, const struct chan_opts *opts)
 {
 	struct pty_chan *data;
 
@@ -118,7 +118,7 @@ static int pty_open(int input, int output, int primary, void *d,
 	return(fd);
 }
 
-struct chan_ops pty_ops = {
+const struct chan_ops pty_ops = {
 	.type		= "pty",
 	.init		= pty_chan_init,
 	.open		= pty_open,
@@ -131,7 +131,7 @@ struct chan_ops pty_ops = {
 	.winch		= 0,
 };
 
-struct chan_ops pts_ops = {
+const struct chan_ops pts_ops = {
 	.type		= "pts",
 	.init		= pty_chan_init,
 	.open		= pts_open,
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index ba471f5864a6..ae9909415b9c 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -68,7 +68,7 @@ static ssize_t rng_dev_read (struct file *filp, char __user *buf, size_t size,
 	return ret;
 }
 
-static struct file_operations rng_chrdev_ops = {
+static const struct file_operations rng_chrdev_ops = {
 	.owner		= THIS_MODULE,
 	.open		= rng_dev_open,
 	.read		= rng_dev_read,
diff --git a/arch/um/drivers/slip.h b/arch/um/drivers/slip.h
index bb0dab41c2e4..c64f8c61d274 100644
--- a/arch/um/drivers/slip.h
+++ b/arch/um/drivers/slip.h
@@ -12,7 +12,7 @@ struct slip_data {
 	struct slip_proto slip;
 };
 
-extern struct net_user_info slip_user_info;
+extern const struct net_user_info slip_user_info;
 
 extern int slip_user_read(int fd, void *buf, int len, struct slip_data *pri);
 extern int slip_user_write(int fd, void *buf, int len, struct slip_data *pri);
diff --git a/arch/um/drivers/slip_kern.c b/arch/um/drivers/slip_kern.c
index 163ee0d5f75e..ccea2d7885e5 100644
--- a/arch/um/drivers/slip_kern.c
+++ b/arch/um/drivers/slip_kern.c
@@ -61,7 +61,7 @@ static int slip_write(int fd, struct sk_buff **skb,
 			       (struct slip_data *) &lp->user));
 }
 
-struct net_kern_info slip_kern_info = {
+const struct net_kern_info slip_kern_info = {
 	.init			= slip_init,
 	.protocol		= slip_protocol,
 	.read			= slip_read,
diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c
index 89fbec185cc1..8460285c69a5 100644
--- a/arch/um/drivers/slip_user.c
+++ b/arch/um/drivers/slip_user.c
@@ -241,7 +241,7 @@ static void slip_del_addr(unsigned char *addr, unsigned char *netmask,
 	close_addr(addr, netmask, pri->name);
 }
 
-struct net_user_info slip_user_info = {
+const struct net_user_info slip_user_info = {
 	.init		= slip_user_init,
 	.open		= slip_open,
 	.close	 	= slip_close,
diff --git a/arch/um/drivers/slirp.h b/arch/um/drivers/slirp.h
index 6cf88ab580c9..89ccf83b7577 100644
--- a/arch/um/drivers/slirp.h
+++ b/arch/um/drivers/slirp.h
@@ -24,7 +24,7 @@ struct slirp_data {
 	struct slip_proto slip;
 };
 
-extern struct net_user_info slirp_user_info;
+extern const struct net_user_info slirp_user_info;
 
 extern int slirp_user_read(int fd, void *buf, int len, struct slirp_data *pri);
 extern int slirp_user_write(int fd, void *buf, int len,
diff --git a/arch/um/drivers/slirp_kern.c b/arch/um/drivers/slirp_kern.c
index 95e50c943e14..ae322e1c8a87 100644
--- a/arch/um/drivers/slirp_kern.c
+++ b/arch/um/drivers/slirp_kern.c
@@ -64,7 +64,7 @@ static int slirp_write(int fd, struct sk_buff **skb,
 			       (struct slirp_data *) &lp->user));
 }
 
-struct net_kern_info slirp_kern_info = {
+const struct net_kern_info slirp_kern_info = {
 	.init			= slirp_init,
 	.protocol		= slirp_protocol,
 	.read			= slirp_read,
diff --git a/arch/um/drivers/slirp_user.c b/arch/um/drivers/slirp_user.c
index 33c5f6e625e8..ce5e85d1de3d 100644
--- a/arch/um/drivers/slirp_user.c
+++ b/arch/um/drivers/slirp_user.c
@@ -126,7 +126,7 @@ static int slirp_set_mtu(int mtu, void *data)
 	return(mtu);
 }
 
-struct net_user_info slirp_user_info = {
+const struct net_user_info slirp_user_info = {
 	.init		= slirp_user_init,
 	.open		= slirp_open,
 	.close	 	= slirp_close,
diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c
index 6dafd6fbfdae..6f13e7c71a82 100644
--- a/arch/um/drivers/ssl.c
+++ b/arch/um/drivers/ssl.c
@@ -23,7 +23,7 @@
 #include "irq_user.h"
 #include "mconsole_kern.h"
 
-static int ssl_version = 1;
+static const int ssl_version = 1;
 
 /* Referenced only by tty_driver below - presumably it's locked correctly
  * by the tty driver.
@@ -123,7 +123,7 @@ void ssl_hangup(struct tty_struct *tty)
 }
 #endif
 
-static struct tty_operations ssl_ops = {
+static const struct tty_operations ssl_ops = {
 	.open 	 		= ssl_open,
 	.close 	 		= line_close,
 	.write 	 		= line_write,
diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c
index 856f568c2687..5e44adb07051 100644
--- a/arch/um/drivers/stdio_console.c
+++ b/arch/um/drivers/stdio_console.c
@@ -110,7 +110,7 @@ static int con_open(struct tty_struct *tty, struct file *filp)
 
 static int con_init_done = 0;
 
-static struct tty_operations console_ops = {
+static const struct tty_operations console_ops = {
 	.open 	 		= con_open,
 	.close 	 		= line_close,
 	.write 	 		= line_write,
diff --git a/arch/um/drivers/tty.c b/arch/um/drivers/tty.c
index 9f70edf5d8ef..11de3ac1eb5c 100644
--- a/arch/um/drivers/tty.c
+++ b/arch/um/drivers/tty.c
@@ -18,7 +18,7 @@ struct tty_chan {
 	struct termios tt;
 };
 
-static void *tty_chan_init(char *str, int device, struct chan_opts *opts)
+static void *tty_chan_init(char *str, int device, const struct chan_opts *opts)
 {
 	struct tty_chan *data;
 
@@ -62,7 +62,7 @@ static int tty_open(int input, int output, int primary, void *d,
 	return fd;
 }
 
-struct chan_ops tty_ops = {
+const struct chan_ops tty_ops = {
 	.type		= "tty",
 	.init		= tty_chan_init,
 	.open		= tty_open,
diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c
index aaa636661043..386f8b952982 100644
--- a/arch/um/drivers/xterm.c
+++ b/arch/um/drivers/xterm.c
@@ -31,7 +31,7 @@ struct xterm_chan {
 };
 
 /* Not static because it's called directly by the tt mode gdb code */
-void *xterm_init(char *str, int device, struct chan_opts *opts)
+void *xterm_init(char *str, int device, const struct chan_opts *opts)
 {
 	struct xterm_chan *data;
 
@@ -194,7 +194,7 @@ static void xterm_free(void *d)
 	free(d);
 }
 
-struct chan_ops xterm_ops = {
+const struct chan_ops xterm_ops = {
 	.type		= "xterm",
 	.init		= xterm_init,
 	.open		= xterm_open,
diff --git a/arch/um/include/chan_kern.h b/arch/um/include/chan_kern.h
index 1bb5e9d94270..572d286ed2c6 100644
--- a/arch/um/include/chan_kern.h
+++ b/arch/um/include/chan_kern.h
@@ -23,21 +23,21 @@ struct chan {
 	unsigned int opened:1;
 	unsigned int enabled:1;
 	int fd;
-	struct chan_ops *ops;
+	const struct chan_ops *ops;
 	void *data;
 };
 
 extern void chan_interrupt(struct list_head *chans, struct work_struct *task,
 			   struct tty_struct *tty, int irq);
 extern int parse_chan_pair(char *str, struct line *line, int device,
-			   struct chan_opts *opts);
+			   const struct chan_opts *opts);
 extern int open_chan(struct list_head *chans);
 extern int write_chan(struct list_head *chans, const char *buf, int len,
 			     int write_irq);
 extern int console_write_chan(struct list_head *chans, const char *buf, 
 			      int len);
 extern int console_open_chan(struct line *line, struct console *co,
-			     struct chan_opts *opts);
+			     const struct chan_opts *opts);
 extern void deactivate_chan(struct list_head *chans, int irq);
 extern void reactivate_chan(struct list_head *chans, int irq);
 extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty);
diff --git a/arch/um/include/chan_user.h b/arch/um/include/chan_user.h
index 659bb3cac32f..a795547a1dbd 100644
--- a/arch/um/include/chan_user.h
+++ b/arch/um/include/chan_user.h
@@ -20,7 +20,7 @@ enum chan_init_pri { INIT_STATIC, INIT_ALL, INIT_ONE };
 
 struct chan_ops {
 	char *type;
-	void *(*init)(char *, int, struct chan_opts *);
+	void *(*init)(char *, int, const struct chan_opts *);
 	int (*open)(int, int, int, void *, char **);
 	void (*close)(int, void *);
 	int (*read)(int, char *, void *);
@@ -31,8 +31,8 @@ struct chan_ops {
 	int winch;
 };
 
-extern struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops, tty_ops,
-	xterm_ops;
+extern const struct chan_ops fd_ops, null_ops, port_ops, pts_ops, pty_ops,
+	tty_ops, xterm_ops;
 
 extern void generic_close(int fd, void *unused);
 extern int generic_read(int fd, char *c_out, void *unused);
diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index b98bdd8e052a..59cfa9e0cad0 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -21,13 +21,12 @@ struct kern_handlers {
 	kern_hndl timer_handler;
 };
 
-extern struct kern_handlers handlinfo_kern;
+extern const struct kern_handlers handlinfo_kern;
 
 extern int ncpus;
 extern char *linux_prog;
 extern char *gdb_init;
 extern int kmalloc_ok;
-extern int timer_irq_inited;
 extern int jail;
 extern int nsyscalls;
 
diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index 27bf2f6fbc05..642c9a0320f9 100644
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -52,7 +52,7 @@ struct line {
 
 	int sigio;
 	struct work_struct task;
-	struct line_driver *driver;
+	const struct line_driver *driver;
 	int have_irq;
 };
 
@@ -99,7 +99,7 @@ extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts);
 extern void close_lines(struct line *lines, int nlines);
 
 extern int line_config(struct line *lines, unsigned int sizeof_lines,
-		       char *str, struct chan_opts *opts);
+		       char *str, const struct chan_opts *opts);
 extern int line_id(char **str, int *start_out, int *end_out);
 extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n);
 extern int line_get_config(char *dev, struct line *lines,
diff --git a/arch/um/include/longjmp.h b/arch/um/include/longjmp.h
index 1b5c0131a12e..e93c6d3e893b 100644
--- a/arch/um/include/longjmp.h
+++ b/arch/um/include/longjmp.h
@@ -1,9 +1,12 @@
 #ifndef __UML_LONGJMP_H
 #define __UML_LONGJMP_H
 
-#include <setjmp.h>
+#include "sysdep/archsetjmp.h"
 #include "os.h"
 
+extern int setjmp(jmp_buf);
+extern void longjmp(jmp_buf, int);
+
 #define UML_LONGJMP(buf, val) do { \
 	longjmp(*buf, val);	\
 } while(0)
diff --git a/arch/um/include/net_kern.h b/arch/um/include/net_kern.h
index f7de6df60dd7..769fba43ee03 100644
--- a/arch/um/include/net_kern.h
+++ b/arch/um/include/net_kern.h
@@ -54,8 +54,8 @@ struct transport {
 	struct list_head list;
 	char *name;
 	int (*setup)(char *, char **, void *);
-	struct net_user_info *user;
-	struct net_kern_info *kern;
+	const struct net_user_info *user;
+	const struct net_kern_info *kern;
 	int private_size;
 	int setup_size;
 };
diff --git a/arch/um/include/net_user.h b/arch/um/include/net_user.h
index 800c403920bc..47ef7cb49a8e 100644
--- a/arch/um/include/net_user.h
+++ b/arch/um/include/net_user.h
@@ -26,7 +26,6 @@ struct net_user_info {
 
 extern void ether_user_init(void *data, void *dev);
 extern void dev_ip_addr(void *d, unsigned char *bin_buf);
-extern void set_ether_mac(void *d, unsigned char *addr);
 extern void iter_addresses(void *d, void (*cb)(unsigned char *, 
 					       unsigned char *, void *), 
 			   void *arg);
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 5316e8a4a4fd..120ca21a513a 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -14,6 +14,7 @@
 #include "skas/mm_id.h"
 #include "irq_user.h"
 #include "sysdep/tls.h"
+#include "sysdep/archsetjmp.h"
 
 #define OS_TYPE_FILE 1
 #define OS_TYPE_DIR 2
@@ -198,7 +199,9 @@ extern long os_ptrace_ldt(long pid, long addr, long data);
 extern int os_getpid(void);
 extern int os_getpgrp(void);
 
+#ifdef UML_CONFIG_MODE_TT
 extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int));
+#endif
 extern void init_new_thread_signals(void);
 extern int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr);
 
@@ -216,7 +219,6 @@ extern void os_flush_stdout(void);
  */
 extern void forward_ipi(int fd, int pid);
 extern void kill_child_dead(int pid);
-extern void stop(void);
 extern int wait_for_stop(int pid, int sig, int cont_type, void *relay);
 extern int protect_memory(unsigned long addr, unsigned long len,
 			  int r, int w, int x, int must_succeed);
@@ -276,9 +278,11 @@ extern int setjmp_wrapper(void (*proc)(void *, void *), ...);
 
 extern void switch_timers(int to_real);
 extern void idle_sleep(int secs);
+extern int set_interval(int is_virtual);
+#ifdef CONFIG_MODE_TT
 extern void enable_timer(void);
+#endif
 extern void disable_timer(void);
-extern void user_time_init(void);
 extern void uml_idle_timer(void);
 extern unsigned long long os_nsecs(void);
 
@@ -305,12 +309,9 @@ extern int copy_context_skas0(unsigned long stack, int pid);
 extern void userspace(union uml_pt_regs *regs);
 extern void map_stub_pages(int fd, unsigned long code,
 			   unsigned long data, unsigned long stack);
-extern void new_thread(void *stack, void **switch_buf_ptr,
-			 void **fork_buf_ptr, void (*handler)(int));
-extern void thread_wait(void *sw, void *fb);
-extern void switch_threads(void *me, void *next);
-extern int start_idle_thread(void *stack, void *switch_buf_ptr,
-			     void **fork_buf_ptr);
+extern void new_thread(void *stack, jmp_buf *buf, void (*handler)(void));
+extern void switch_threads(jmp_buf *me, jmp_buf *you);
+extern int start_idle_thread(void *stack, jmp_buf *switch_buf);
 extern void initial_thread_cb_skas(void (*proc)(void *),
 				 void *arg);
 extern void halt_skas(void);
@@ -329,6 +330,7 @@ extern void os_set_ioignore(void);
 extern void init_irq_signals(int on_sigstack);
 
 /* sigio.c */
+extern int add_sigio_fd(int fd);
 extern int ignore_sigio_fd(int fd);
 extern void maybe_sigio_broken(int fd, int read);
 
diff --git a/arch/um/include/registers.h b/arch/um/include/registers.h
index 83b688ca198f..f845b3629a6d 100644
--- a/arch/um/include/registers.h
+++ b/arch/um/include/registers.h
@@ -7,6 +7,7 @@
 #define __REGISTERS_H
 
 #include "sysdep/ptrace.h"
+#include "sysdep/archsetjmp.h"
 
 extern void init_thread_registers(union uml_pt_regs *to);
 extern int save_fp_registers(int pid, unsigned long *fp_regs);
@@ -15,6 +16,6 @@ extern void save_registers(int pid, union uml_pt_regs *regs);
 extern void restore_registers(int pid, union uml_pt_regs *regs);
 extern void init_registers(int pid);
 extern void get_safe_registers(unsigned long * regs, unsigned long * fp_regs);
-extern void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer);
+extern unsigned long get_thread_reg(int reg, jmp_buf *buf);
 
 #endif
diff --git a/arch/um/include/skas/skas.h b/arch/um/include/skas/skas.h
index 853b26f148c5..e88926b16072 100644
--- a/arch/um/include/skas/skas.h
+++ b/arch/um/include/skas/skas.h
@@ -14,8 +14,7 @@ extern int proc_mm, ptrace_faultinfo, ptrace_ldt;
 extern int skas_needs_stub;
 
 extern int user_thread(unsigned long stack, int flags);
-extern void new_thread_proc(void *stack, void (*handler)(int sig));
-extern void new_thread_handler(int sig);
+extern void new_thread_handler(void);
 extern void handle_syscall(union uml_pt_regs *regs);
 extern int new_mm(unsigned long stack);
 extern void get_skas_faultinfo(int pid, struct faultinfo * fi);
diff --git a/arch/um/include/sysdep-i386/archsetjmp.h b/arch/um/include/sysdep-i386/archsetjmp.h
new file mode 100644
index 000000000000..11bafab669e9
--- /dev/null
+++ b/arch/um/include/sysdep-i386/archsetjmp.h
@@ -0,0 +1,22 @@
+/*
+ * arch/i386/include/klibc/archsetjmp.h
+ */
+
+#ifndef _KLIBC_ARCHSETJMP_H
+#define _KLIBC_ARCHSETJMP_H
+
+struct __jmp_buf {
+	unsigned int __ebx;
+	unsigned int __esp;
+	unsigned int __ebp;
+	unsigned int __esi;
+	unsigned int __edi;
+	unsigned int __eip;
+};
+
+typedef struct __jmp_buf jmp_buf[1];
+
+#define JB_IP __eip
+#define JB_SP __esp
+
+#endif				/* _SETJMP_H */
diff --git a/arch/um/include/sysdep-i386/signal.h b/arch/um/include/sysdep-i386/signal.h
deleted file mode 100644
index 07518b162136..000000000000
--- a/arch/um/include/sysdep-i386/signal.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2004 PathScale, Inc
- * Licensed under the GPL
- */
-
-#ifndef __I386_SIGNAL_H_
-#define __I386_SIGNAL_H_
-
-#include <signal.h>
-
-#define ARCH_SIGHDLR_PARAM int sig
-
-#define ARCH_GET_SIGCONTEXT(sc, sig) \
-	do sc = (struct sigcontext *) (&sig + 1); while(0)
-
-#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/sysdep-x86_64/archsetjmp.h b/arch/um/include/sysdep-x86_64/archsetjmp.h
new file mode 100644
index 000000000000..9a5e1a6ec800
--- /dev/null
+++ b/arch/um/include/sysdep-x86_64/archsetjmp.h
@@ -0,0 +1,24 @@
+/*
+ * arch/x86_64/include/klibc/archsetjmp.h
+ */
+
+#ifndef _KLIBC_ARCHSETJMP_H
+#define _KLIBC_ARCHSETJMP_H
+
+struct __jmp_buf {
+	unsigned long __rbx;
+	unsigned long __rsp;
+	unsigned long __rbp;
+	unsigned long __r12;
+	unsigned long __r13;
+	unsigned long __r14;
+	unsigned long __r15;
+	unsigned long __rip;
+};
+
+typedef struct __jmp_buf jmp_buf[1];
+
+#define JB_IP __rip
+#define JB_SP __rsp
+
+#endif				/* _SETJMP_H */
diff --git a/arch/um/include/sysdep-x86_64/ptrace.h b/arch/um/include/sysdep-x86_64/ptrace.h
index 8d353f0feec1..617bb9efc934 100644
--- a/arch/um/include/sysdep-x86_64/ptrace.h
+++ b/arch/um/include/sysdep-x86_64/ptrace.h
@@ -50,6 +50,21 @@
 #define HOST_FS 25
 #define HOST_GS 26
 
+/* Also defined in asm/ptrace-x86_64.h, but not in libc headers.  So, these
+ * are already defined for kernel code, but not for userspace code.
+ */
+#ifndef FS_BASE
+/* These aren't defined in ptrace.h, but exist in struct user_regs_struct,
+ * which is what x86_64 ptrace actually uses.
+ */
+#define FS_BASE (HOST_FS_BASE * sizeof(long))
+#define GS_BASE (HOST_GS_BASE * sizeof(long))
+#define DS (HOST_DS * sizeof(long))
+#define ES (HOST_ES * sizeof(long))
+#define FS (HOST_FS * sizeof(long))
+#define GS (HOST_GS * sizeof(long))
+#endif
+
 #define REGS_FS_BASE(r) ((r)[HOST_FS_BASE])
 #define REGS_GS_BASE(r) ((r)[HOST_GS_BASE])
 #define REGS_DS(r) ((r)[HOST_DS])
@@ -89,9 +104,12 @@ union uml_pt_regs {
 #endif
 #ifdef UML_CONFIG_MODE_SKAS
 	struct skas_regs {
-		/* XXX */
-		unsigned long regs[27];
-		unsigned long fp[65];
+		/* x86_64 ptrace uses sizeof(user_regs_struct) as its register
+		 * file size, while i386 uses FRAME_SIZE.  Therefore, we need
+		 * to use UM_FRAME_SIZE here instead of HOST_FRAME_SIZE.
+		 */
+		unsigned long regs[UM_FRAME_SIZE];
+		unsigned long fp[HOST_FP_SIZE];
                 struct faultinfo faultinfo;
 		long syscall;
 		int is_user;
@@ -120,11 +138,16 @@ extern int mode_tt;
 #define UPT_R14(r) __CHOOSE_MODE(SC_R14(UPT_SC(r)), REGS_R14((r)->skas.regs))
 #define UPT_R15(r) __CHOOSE_MODE(SC_R15(UPT_SC(r)), REGS_R15((r)->skas.regs))
 #define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs))
+#define UPT_FS_BASE(r) \
+	__CHOOSE_MODE(SC_FS_BASE(UPT_SC(r)), REGS_FS_BASE((r)->skas.regs))
 #define UPT_FS(r) __CHOOSE_MODE(SC_FS(UPT_SC(r)), REGS_FS((r)->skas.regs))
+#define UPT_GS_BASE(r) \
+	__CHOOSE_MODE(SC_GS_BASE(UPT_SC(r)), REGS_GS_BASE((r)->skas.regs))
 #define UPT_GS(r) __CHOOSE_MODE(SC_GS(UPT_SC(r)), REGS_GS((r)->skas.regs))
 #define UPT_DS(r) __CHOOSE_MODE(SC_DS(UPT_SC(r)), REGS_DS((r)->skas.regs))
 #define UPT_ES(r) __CHOOSE_MODE(SC_ES(UPT_SC(r)), REGS_ES((r)->skas.regs))
 #define UPT_CS(r) __CHOOSE_MODE(SC_CS(UPT_SC(r)), REGS_CS((r)->skas.regs))
+#define UPT_SS(r) __CHOOSE_MODE(SC_SS(UPT_SC(r)), REGS_SS((r)->skas.regs))
 #define UPT_ORIG_RAX(r) \
 	__CHOOSE_MODE((r)->tt.orig_rax, REGS_ORIG_RAX((r)->skas.regs))
 
@@ -183,6 +206,13 @@ struct syscall_args {
                 case RBP: val = UPT_RBP(regs); break; \
                 case ORIG_RAX: val = UPT_ORIG_RAX(regs); break; \
                 case CS: val = UPT_CS(regs); break; \
+                case SS: val = UPT_SS(regs); break; \
+		case FS_BASE: val = UPT_FS_BASE(regs); break; \
+                case GS_BASE: val = UPT_GS_BASE(regs); break; \
+                case DS: val = UPT_DS(regs); break; \
+                case ES: val = UPT_ES(regs); break; \
+                case FS : val = UPT_FS (regs); break; \
+		case GS: val = UPT_GS(regs); break;	    \
                 case EFLAGS: val = UPT_EFLAGS(regs); break; \
                 default :  \
                         panic("Bad register in UPT_REG : %d\n", reg);  \
@@ -214,6 +244,13 @@ struct syscall_args {
                 case RBP: UPT_RBP(regs) = __upt_val; break; \
                 case ORIG_RAX: UPT_ORIG_RAX(regs) = __upt_val; break; \
                 case CS: UPT_CS(regs) = __upt_val; break; \
+                case SS: UPT_SS(regs) = __upt_val; break; \
+                case FS_BASE: UPT_FS_BASE(regs) = __upt_val; break; \
+                case GS_BASE: UPT_GS_BASE(regs) = __upt_val; break; \
+                case DS: UPT_DS(regs) = __upt_val; break; \
+                case ES: UPT_ES(regs) = __upt_val; break; \
+                case FS: UPT_FS(regs) = __upt_val; break; \
+                case GS: UPT_GS(regs) = __upt_val; break; \
                 case EFLAGS: UPT_EFLAGS(regs) = __upt_val; break; \
                 default :  \
                         panic("Bad register in UPT_SET : %d\n", reg);  \
diff --git a/arch/um/include/sysdep-x86_64/sc.h b/arch/um/include/sysdep-x86_64/sc.h
index a160d9fcc596..8aee45b07434 100644
--- a/arch/um/include/sysdep-x86_64/sc.h
+++ b/arch/um/include/sysdep-x86_64/sc.h
@@ -35,11 +35,11 @@
 #define SC_GS(sc) SC_OFFSET(sc, SC_GS)
 #define SC_EFLAGS(sc) SC_OFFSET(sc, SC_EFLAGS)
 #define SC_SIGMASK(sc) SC_OFFSET(sc, SC_SIGMASK)
+#define SC_SS(sc) SC_OFFSET(sc, SC_SS)
 #if 0
 #define SC_ORIG_RAX(sc) SC_OFFSET(sc, SC_ORIG_RAX)
 #define SC_DS(sc) SC_OFFSET(sc, SC_DS)
 #define SC_ES(sc) SC_OFFSET(sc, SC_ES)
-#define SC_SS(sc) SC_OFFSET(sc, SC_SS)
 #endif
 
 #endif
diff --git a/arch/um/include/sysdep-x86_64/signal.h b/arch/um/include/sysdep-x86_64/signal.h
deleted file mode 100644
index 6142897af3d1..000000000000
--- a/arch/um/include/sysdep-x86_64/signal.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2004 PathScale, Inc
- * Licensed under the GPL
- */
-
-#ifndef __X86_64_SIGNAL_H_
-#define __X86_64_SIGNAL_H_
-
-#define ARCH_SIGHDLR_PARAM int sig
-
-#define ARCH_GET_SIGCONTEXT(sc, sig_addr) \
-	do { \
-		struct ucontext *__uc; \
-		asm("movq %%rdx, %0" : "=r" (__uc)); \
-		sc = (struct sigcontext *) &__uc->uc_mcontext; \
-	} while(0)
-
-#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile
index a2d93065b2d0..6fa63a2a89e3 100644
--- a/arch/um/kernel/Makefile
+++ b/arch/um/kernel/Makefile
@@ -7,7 +7,7 @@ extra-y := vmlinux.lds
 clean-files :=
 
 obj-y = config.o exec.o exitcode.o init_task.o irq.o ksyms.o mem.o \
-	physmem.o process_kern.o ptrace.o reboot.o resource.o sigio.o \
+	physmem.o process.o ptrace.o reboot.o resource.o sigio.o \
 	signal.o smp.o syscall.o sysrq.o time.o tlb.o trap.o uaccess.o \
 	um_arch.o umid.o
 
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index fc38a6d5906d..0561c43b4685 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -41,9 +41,11 @@ static long execve1(char *file, char __user * __user *argv,
         long error;
 
 #ifdef CONFIG_TTY_LOG
-	task_lock(current);
+	mutex_lock(&tty_mutex);
+	task_lock(current);	/* FIXME:  is this needed ? */
 	log_exec(argv, current->signal->tty);
 	task_unlock(current);
+	mutex_unlock(&tty_mutex);
 #endif
         error = do_execve(file, argv, env, &current->thread.regs);
         if (error == 0){
diff --git a/arch/um/kernel/gmon_syms.c b/arch/um/kernel/gmon_syms.c
index 2c86e7fdb014..13aa115cd1b4 100644
--- a/arch/um/kernel/gmon_syms.c
+++ b/arch/um/kernel/gmon_syms.c
@@ -5,7 +5,7 @@
 
 #include "linux/module.h"
 
-extern void __bb_init_func(void *);
+extern void __bb_init_func(void *)  __attribute__((weak));
 EXPORT_SYMBOL(__bb_init_func);
 
 /* This is defined (and referred to in profiling stub code) only by some GCC
@@ -21,14 +21,3 @@ EXPORT_SYMBOL(__gcov_init);
 
 extern void __gcov_merge_add(void *) __attribute__((weak));
 EXPORT_SYMBOL(__gcov_merge_add);
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index 589c69a75043..ce7f233fc490 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -142,19 +142,6 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
 				     .events 		= events,
 				     .current_events 	= 0 } );
 
-	/* Critical section - locked by a spinlock because this stuff can
-	 * be changed from interrupt handlers.  The stuff above is done
-	 * outside the lock because it allocates memory.
-	 */
-
-	/* Actually, it only looks like it can be called from interrupt
-	 * context.  The culprit is reactivate_fd, which calls
-	 * maybe_sigio_broken, which calls write_sigio_workaround,
-	 * which calls activate_fd.  However, write_sigio_workaround should
-	 * only be called once, at boot time.  That would make it clear that
-	 * this is called only from process context, and can be locked with
-	 * a semaphore.
-	 */
 	spin_lock_irqsave(&irq_lock, flags);
 	for (irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next) {
 		if ((irq_fd->fd == fd) && (irq_fd->type == type)) {
@@ -165,7 +152,6 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
 		}
 	}
 
-	/*-------------*/
 	if (type == IRQ_WRITE)
 		fd = -1;
 
@@ -198,7 +184,6 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
 
 		spin_lock_irqsave(&irq_lock, flags);
 	}
-	/*-------------*/
 
 	*last_irq_ptr = new_fd;
 	last_irq_ptr = &new_fd->next;
@@ -210,14 +195,14 @@ int activate_fd(int irq, int fd, int type, void *dev_id)
 	 */
 	maybe_sigio_broken(fd, (type == IRQ_READ));
 
-	return(0);
+	return 0;
 
  out_unlock:
 	spin_unlock_irqrestore(&irq_lock, flags);
  out_kfree:
 	kfree(new_fd);
  out:
-	return(err);
+	return err;
 }
 
 static void free_irq_by_cb(int (*test)(struct irq_fd *, void *), void *arg)
@@ -302,10 +287,7 @@ void reactivate_fd(int fd, int irqnum)
 	os_set_pollfd(i, irq->fd);
 	spin_unlock_irqrestore(&irq_lock, flags);
 
-	/* This calls activate_fd, so it has to be outside the critical
-	 * section.
-	 */
-	maybe_sigio_broken(fd, (irq->type == IRQ_READ));
+	add_sigio_fd(fd);
 }
 
 void deactivate_fd(int fd, int irqnum)
@@ -316,11 +298,15 @@ void deactivate_fd(int fd, int irqnum)
 
 	spin_lock_irqsave(&irq_lock, flags);
 	irq = find_irq_by_fd(fd, irqnum, &i);
-	if (irq == NULL)
-		goto out;
+	if(irq == NULL){
+		spin_unlock_irqrestore(&irq_lock, flags);
+		return;
+	}
+
 	os_set_pollfd(i, -1);
- out:
 	spin_unlock_irqrestore(&irq_lock, flags);
+
+	ignore_sigio_fd(fd);
 }
 
 int deactivate_all_fds(void)
diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c
index c97045d6d89f..f030e44262ba 100644
--- a/arch/um/kernel/ksyms.c
+++ b/arch/um/kernel/ksyms.c
@@ -21,7 +21,6 @@
 #include "mem_user.h"
 #include "os.h"
 
-EXPORT_SYMBOL(stop);
 EXPORT_SYMBOL(uml_physmem);
 EXPORT_SYMBOL(set_signals);
 EXPORT_SYMBOL(get_signals);
@@ -41,12 +40,14 @@ EXPORT_SYMBOL(handle_page_fault);
 EXPORT_SYMBOL(find_iomem);
 
 #ifdef CONFIG_MODE_TT
+EXPORT_SYMBOL(stop);
 EXPORT_SYMBOL(strncpy_from_user_tt);
 EXPORT_SYMBOL(copy_from_user_tt);
 EXPORT_SYMBOL(copy_to_user_tt);
 #endif
 
 #ifdef CONFIG_MODE_SKAS
+EXPORT_SYMBOL(strnlen_user_skas);
 EXPORT_SYMBOL(strncpy_from_user_skas);
 EXPORT_SYMBOL(copy_to_user_skas);
 EXPORT_SYMBOL(copy_from_user_skas);
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 61280167c560..c95855ba6ab5 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -79,8 +79,10 @@ void mem_init(void)
 
 	/* this will put all low memory onto the freelists */
 	totalram_pages = free_all_bootmem();
+#ifdef CONFIG_HIGHMEM
 	totalhigh_pages = highmem >> PAGE_SHIFT;
 	totalram_pages += totalhigh_pages;
+#endif
 	num_physpages = totalram_pages;
 	max_pfn = totalram_pages;
 	printk(KERN_INFO "Memory: %luk available\n", 
@@ -221,10 +223,14 @@ void paging_init(void)
 
 	empty_zero_page = (unsigned long *) alloc_bootmem_low_pages(PAGE_SIZE);
 	empty_bad_page = (unsigned long *) alloc_bootmem_low_pages(PAGE_SIZE);
-	for(i=0;i<sizeof(zones_size)/sizeof(zones_size[0]);i++) 
+	for(i = 0; i < ARRAY_SIZE(zones_size); i++)
 		zones_size[i] = 0;
-	zones_size[ZONE_DMA] = (end_iomem >> PAGE_SHIFT) - (uml_physmem >> PAGE_SHIFT);
+
+	zones_size[ZONE_NORMAL] = (end_iomem >> PAGE_SHIFT) -
+		(uml_physmem >> PAGE_SHIFT);
+#ifdef CONFIG_HIGHMEM
 	zones_size[ZONE_HIGHMEM] = highmem >> PAGE_SHIFT;
+#endif
 	free_area_init(zones_size);
 
 	/*
diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process.c
index f6a5a502120b..fe6c64abda5b 100644
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process.c
@@ -1,10 +1,9 @@
-/* 
+/*
  * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
  * Copyright 2003 PathScale, Inc.
  * Licensed under the GPL
  */
 
-#include "linux/config.h"
 #include "linux/kernel.h"
 #include "linux/sched.h"
 #include "linux/interrupt.h"
@@ -23,6 +22,7 @@
 #include "linux/proc_fs.h"
 #include "linux/ptrace.h"
 #include "linux/random.h"
+#include "linux/personality.h"
 #include "asm/unistd.h"
 #include "asm/mman.h"
 #include "asm/segment.h"
@@ -112,11 +112,11 @@ void set_current(void *t)
 
 void *_switch_to(void *prev, void *next, void *last)
 {
-        struct task_struct *from = prev;
-        struct task_struct *to= next;
+	struct task_struct *from = prev;
+	struct task_struct *to= next;
 
-        to->thread.prev_sched = from;
-        set_current(to);
+	to->thread.prev_sched = from;
+	set_current(to);
 
 	do {
 		current->thread.saved_task = NULL ;
@@ -127,7 +127,7 @@ void *_switch_to(void *prev, void *next, void *last)
 		prev= current;
 	} while(current->thread.saved_task);
 
-        return(current->thread.prev_sched);
+	return(current->thread.prev_sched);
 
 }
 
@@ -141,19 +141,19 @@ void release_thread(struct task_struct *task)
 {
 	CHOOSE_MODE(release_thread_tt(task), release_thread_skas(task));
 }
- 
+
 void exit_thread(void)
 {
 	unprotect_stack((unsigned long) current_thread);
 }
- 
+
 void *get_current(void)
 {
 	return(current);
 }
 
 int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
-		unsigned long stack_top, struct task_struct * p, 
+		unsigned long stack_top, struct task_struct * p,
 		struct pt_regs *regs)
 {
 	int ret;
@@ -182,11 +182,11 @@ void initial_thread_cb(void (*proc)(void *), void *arg)
 	int save_kmalloc_ok = kmalloc_ok;
 
 	kmalloc_ok = 0;
-	CHOOSE_MODE_PROC(initial_thread_cb_tt, initial_thread_cb_skas, proc, 
+	CHOOSE_MODE_PROC(initial_thread_cb_tt, initial_thread_cb_skas, proc,
 			 arg);
 	kmalloc_ok = save_kmalloc_ok;
 }
- 
+
 unsigned long stack_sp(unsigned long page)
 {
 	return(page + PAGE_SIZE - sizeof(void *));
@@ -210,7 +210,7 @@ void default_idle(void)
 		 */
 		if(need_resched())
 			schedule();
-		
+
 		idle_sleep(10);
 	}
 }
@@ -225,7 +225,7 @@ int page_size(void)
 	return(PAGE_SIZE);
 }
 
-void *um_virt_to_phys(struct task_struct *task, unsigned long addr, 
+void *um_virt_to_phys(struct task_struct *task, unsigned long addr,
 		      pte_t *pte_out)
 {
 	pgd_t *pgd;
@@ -234,7 +234,7 @@ void *um_virt_to_phys(struct task_struct *task, unsigned long addr,
 	pte_t *pte;
 	pte_t ptent;
 
-	if(task->mm == NULL) 
+	if(task->mm == NULL)
 		return(ERR_PTR(-EINVAL));
 	pgd = pgd_offset(task->mm, addr);
 	if(!pgd_present(*pgd))
@@ -245,7 +245,7 @@ void *um_virt_to_phys(struct task_struct *task, unsigned long addr,
 		return(ERR_PTR(-EINVAL));
 
 	pmd = pmd_offset(pud, addr);
-	if(!pmd_present(*pmd)) 
+	if(!pmd_present(*pmd))
 		return(ERR_PTR(-EINVAL));
 
 	pte = pte_offset_kernel(pmd, addr);
@@ -270,7 +270,7 @@ char *current_cmd(void)
 
 void force_sigbus(void)
 {
-	printk(KERN_ERR "Killing pid %d because of a lack of memory\n", 
+	printk(KERN_ERR "Killing pid %d because of a lack of memory\n",
 	       current->pid);
 	lock_kernel();
 	sigaddset(&current->pending.signal, SIGBUS);
@@ -476,7 +476,7 @@ int singlestepping(void * t)
 #ifndef arch_align_stack
 unsigned long arch_align_stack(unsigned long sp)
 {
-	if (randomize_va_space)
+	if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
 		sp -= get_random_int() % 8192;
 	return sp & ~0xf;
 }
diff --git a/arch/um/kernel/reboot.c b/arch/um/kernel/reboot.c
index 3ef73bf2e781..f602623644aa 100644
--- a/arch/um/kernel/reboot.c
+++ b/arch/um/kernel/reboot.c
@@ -22,7 +22,7 @@ static void kill_idlers(int me)
 	struct task_struct *p;
 	int i;
 
-	for(i = 0; i < sizeof(idle_threads)/sizeof(idle_threads[0]); i++){
+	for(i = 0; i < ARRAY_SIZE(idle_threads); i++){
 		p = idle_threads[i];
 		if((p != NULL) && (p->thread.mode.tt.extern_pid != me))
 			os_kill_process(p->thread.mode.tt.extern_pid, 0);
@@ -62,14 +62,3 @@ void machine_halt(void)
 {
 	machine_power_off();
 }
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/skas/Makefile b/arch/um/kernel/skas/Makefile
index ea3a8e409a6e..3e3fa7e7e3cf 100644
--- a/arch/um/kernel/skas/Makefile
+++ b/arch/um/kernel/skas/Makefile
@@ -3,8 +3,7 @@
 # Licensed under the GPL
 #
 
-obj-y := clone.o exec_kern.o mem.o mmu.o process_kern.o \
-	syscall.o tlb.o uaccess.o
+obj-y := clone.o exec.o mem.o mmu.o process.o syscall.o tlb.o uaccess.o
 
 # clone.o is in the stub, so it can't be built with profiling
 # GCC hardened also auto-enables -fpic, but we need %ebx so it can't work ->
diff --git a/arch/um/kernel/skas/exec.c b/arch/um/kernel/skas/exec.c
new file mode 100644
index 000000000000..54b795951372
--- /dev/null
+++ b/arch/um/kernel/skas/exec.c
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#include "linux/kernel.h"
+#include "asm/current.h"
+#include "asm/page.h"
+#include "asm/signal.h"
+#include "asm/ptrace.h"
+#include "asm/uaccess.h"
+#include "asm/mmu_context.h"
+#include "tlb.h"
+#include "skas.h"
+#include "um_mmu.h"
+#include "os.h"
+
+void flush_thread_skas(void)
+{
+	force_flush_all();
+	switch_mm_skas(&current->mm->context.skas.id);
+}
+
+void start_thread_skas(struct pt_regs *regs, unsigned long eip,
+		       unsigned long esp)
+{
+	set_fs(USER_DS);
+	PT_REGS_IP(regs) = eip;
+	PT_REGS_SP(regs) = esp;
+}
diff --git a/arch/um/kernel/skas/exec_kern.c b/arch/um/kernel/skas/exec_kern.c
deleted file mode 100644
index 77ed7bbab219..000000000000
--- a/arch/um/kernel/skas/exec_kern.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/* 
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include "linux/kernel.h"
-#include "asm/current.h"
-#include "asm/page.h"
-#include "asm/signal.h"
-#include "asm/ptrace.h"
-#include "asm/uaccess.h"
-#include "asm/mmu_context.h"
-#include "tlb.h"
-#include "skas.h"
-#include "um_mmu.h"
-#include "os.h"
-
-void flush_thread_skas(void)
-{
-	force_flush_all();
-        switch_mm_skas(&current->mm->context.skas.id);
-}
-
-void start_thread_skas(struct pt_regs *regs, unsigned long eip, 
-		       unsigned long esp)
-{
-	set_fs(USER_DS);
-        PT_REGS_IP(regs) = eip;
-	PT_REGS_SP(regs) = esp;
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index 624ca238d1fd..79c22707a637 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -55,7 +55,7 @@ static int init_stub_pte(struct mm_struct *mm, unsigned long proc,
 	 * destroy_context_skas.
 	 */
 
-        mm->context.skas.last_page_table = pmd_page_kernel(*pmd);
+        mm->context.skas.last_page_table = pmd_page_vaddr(*pmd);
 #ifdef CONFIG_3_LEVEL_PGTABLES
         mm->context.skas.last_pmd = (unsigned long) __va(pud_val(*pud));
 #endif
diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c
new file mode 100644
index 000000000000..ae4fa71d3b8b
--- /dev/null
+++ b/arch/um/kernel/skas/process.c
@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Licensed under the GPL
+ */
+
+#include "linux/sched.h"
+#include "linux/slab.h"
+#include "linux/ptrace.h"
+#include "linux/proc_fs.h"
+#include "linux/file.h"
+#include "linux/errno.h"
+#include "linux/init.h"
+#include "asm/uaccess.h"
+#include "asm/atomic.h"
+#include "kern_util.h"
+#include "skas.h"
+#include "os.h"
+#include "user_util.h"
+#include "tlb.h"
+#include "kern.h"
+#include "mode.h"
+#include "registers.h"
+
+void switch_to_skas(void *prev, void *next)
+{
+	struct task_struct *from, *to;
+
+	from = prev;
+	to = next;
+
+	/* XXX need to check runqueues[cpu].idle */
+	if(current->pid == 0)
+		switch_timers(0);
+
+	switch_threads(&from->thread.mode.skas.switch_buf,
+		       &to->thread.mode.skas.switch_buf);
+
+	arch_switch_to_skas(current->thread.prev_sched, current);
+
+	if(current->pid == 0)
+		switch_timers(1);
+}
+
+extern void schedule_tail(struct task_struct *prev);
+
+/* This is called magically, by its address being stuffed in a jmp_buf
+ * and being longjmp-d to.
+ */
+void new_thread_handler(void)
+{
+	int (*fn)(void *), n;
+	void *arg;
+
+	if(current->thread.prev_sched != NULL)
+		schedule_tail(current->thread.prev_sched);
+	current->thread.prev_sched = NULL;
+
+	fn = current->thread.request.u.thread.proc;
+	arg = current->thread.request.u.thread.arg;
+
+	/* The return value is 1 if the kernel thread execs a process,
+	 * 0 if it just exits
+	 */
+	n = run_kernel_thread(fn, arg, &current->thread.exec_buf);
+	if(n == 1){
+		/* Handle any immediate reschedules or signals */
+		interrupt_end();
+		userspace(&current->thread.regs.regs);
+	}
+	else do_exit(0);
+}
+
+void release_thread_skas(struct task_struct *task)
+{
+}
+
+/* Called magically, see new_thread_handler above */
+void fork_handler(void)
+{
+	force_flush_all();
+	if(current->thread.prev_sched == NULL)
+		panic("blech");
+
+	schedule_tail(current->thread.prev_sched);
+
+	/* XXX: if interrupt_end() calls schedule, this call to
+	 * arch_switch_to_skas isn't needed. We could want to apply this to
+	 * improve performance. -bb */
+	arch_switch_to_skas(current->thread.prev_sched, current);
+
+	current->thread.prev_sched = NULL;
+
+/* Handle any immediate reschedules or signals */
+	interrupt_end();
+
+	userspace(&current->thread.regs.regs);
+}
+
+int copy_thread_skas(int nr, unsigned long clone_flags, unsigned long sp,
+		     unsigned long stack_top, struct task_struct * p,
+		     struct pt_regs *regs)
+{
+	void (*handler)(void);
+
+	if(current->thread.forking){
+	  	memcpy(&p->thread.regs.regs.skas, &regs->regs.skas,
+		       sizeof(p->thread.regs.regs.skas));
+		REGS_SET_SYSCALL_RETURN(p->thread.regs.regs.skas.regs, 0);
+		if(sp != 0) REGS_SP(p->thread.regs.regs.skas.regs) = sp;
+
+		handler = fork_handler;
+
+		arch_copy_thread(&current->thread.arch, &p->thread.arch);
+	}
+	else {
+		init_thread_registers(&p->thread.regs.regs);
+		p->thread.request.u.thread = current->thread.request.u.thread;
+		handler = new_thread_handler;
+	}
+
+	new_thread(task_stack_page(p), &p->thread.mode.skas.switch_buf,
+		   handler);
+	return(0);
+}
+
+int new_mm(unsigned long stack)
+{
+	int fd;
+
+	fd = os_open_file("/proc/mm", of_cloexec(of_write(OPENFLAGS())), 0);
+	if(fd < 0)
+		return(fd);
+
+	if(skas_needs_stub)
+		map_stub_pages(fd, CONFIG_STUB_CODE, CONFIG_STUB_DATA, stack);
+
+	return(fd);
+}
+
+void init_idle_skas(void)
+{
+	cpu_tasks[current_thread->cpu].pid = os_getpid();
+	default_idle();
+}
+
+extern void start_kernel(void);
+
+static int start_kernel_proc(void *unused)
+{
+	int pid;
+
+	block_signals();
+	pid = os_getpid();
+
+	cpu_tasks[0].pid = pid;
+	cpu_tasks[0].task = current;
+#ifdef CONFIG_SMP
+	cpu_online_map = cpumask_of_cpu(0);
+#endif
+	start_kernel();
+	return(0);
+}
+
+extern int userspace_pid[];
+
+int start_uml_skas(void)
+{
+	if(proc_mm)
+		userspace_pid[0] = start_userspace(0);
+
+	init_new_thread_signals();
+
+	init_task.thread.request.u.thread.proc = start_kernel_proc;
+	init_task.thread.request.u.thread.arg = NULL;
+	return(start_idle_thread(task_stack_page(&init_task),
+				 &init_task.thread.mode.skas.switch_buf));
+}
+
+int external_pid_skas(struct task_struct *task)
+{
+#warning Need to look up userspace_pid by cpu
+	return(userspace_pid[0]);
+}
+
+int thread_pid_skas(struct task_struct *task)
+{
+#warning Need to look up userspace_pid by cpu
+	return(userspace_pid[0]);
+}
+
+void kill_off_processes_skas(void)
+{
+	if(proc_mm)
+#warning need to loop over userspace_pids in kill_off_processes_skas
+		os_kill_ptraced_process(userspace_pid[0], 1);
+	else {
+		struct task_struct *p;
+		int pid, me;
+
+		me = os_getpid();
+		for_each_process(p){
+			if(p->mm == NULL)
+				continue;
+
+			pid = p->mm->context.skas.id.u.pid;
+			os_kill_ptraced_process(pid, 1);
+		}
+	}
+}
+
+unsigned long current_stub_stack(void)
+{
+	if(current->mm == NULL)
+		return(0);
+
+	return(current->mm->context.skas.id.stack);
+}
diff --git a/arch/um/kernel/skas/process_kern.c b/arch/um/kernel/skas/process_kern.c
index 55caeec8b257..0f3d5d084dc7 100644
--- a/arch/um/kernel/skas/process_kern.c
+++ b/arch/um/kernel/skas/process_kern.c
@@ -1,227 +1,484 @@
 /*
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright 2003 PathScale, Inc.
  * Licensed under the GPL
  */
 
+#include "linux/config.h"
+#include "linux/kernel.h"
 #include "linux/sched.h"
+#include "linux/interrupt.h"
+#include "linux/string.h"
+#include "linux/mm.h"
 #include "linux/slab.h"
-#include "linux/ptrace.h"
-#include "linux/proc_fs.h"
-#include "linux/file.h"
-#include "linux/errno.h"
+#include "linux/utsname.h"
+#include "linux/fs.h"
+#include "linux/utime.h"
+#include "linux/smp_lock.h"
+#include "linux/module.h"
 #include "linux/init.h"
+#include "linux/capability.h"
+#include "linux/vmalloc.h"
+#include "linux/spinlock.h"
+#include "linux/proc_fs.h"
+#include "linux/ptrace.h"
+#include "linux/random.h"
+#include "linux/personality.h"
+#include "asm/unistd.h"
+#include "asm/mman.h"
+#include "asm/segment.h"
+#include "asm/stat.h"
+#include "asm/pgtable.h"
+#include "asm/processor.h"
+#include "asm/tlbflush.h"
 #include "asm/uaccess.h"
-#include "asm/atomic.h"
-#include "kern_util.h"
-#include "skas.h"
-#include "os.h"
+#include "asm/user.h"
 #include "user_util.h"
-#include "tlb.h"
+#include "kern_util.h"
 #include "kern.h"
+#include "signal_kern.h"
+#include "init.h"
+#include "irq_user.h"
+#include "mem_user.h"
+#include "tlb.h"
+#include "frame_kern.h"
+#include "sigcontext.h"
+#include "os.h"
 #include "mode.h"
-#include "registers.h"
+#include "mode_kern.h"
+#include "choose-mode.h"
+
+/* This is a per-cpu array.  A processor only modifies its entry and it only
+ * cares about its entry, so it's OK if another processor is modifying its
+ * entry.
+ */
+struct cpu_task cpu_tasks[NR_CPUS] = { [0 ... NR_CPUS - 1] = { -1, NULL } };
+
+int external_pid(void *t)
+{
+	struct task_struct *task = t ? t : current;
+
+	return(CHOOSE_MODE_PROC(external_pid_tt, external_pid_skas, task));
+}
+
+int pid_to_processor_id(int pid)
+{
+	int i;
+
+	for(i = 0; i < ncpus; i++){
+		if(cpu_tasks[i].pid == pid) return(i);
+	}
+	return(-1);
+}
+
+void free_stack(unsigned long stack, int order)
+{
+	free_pages(stack, order);
+}
+
+unsigned long alloc_stack(int order, int atomic)
+{
+	unsigned long page;
+	gfp_t flags = GFP_KERNEL;
+
+	if (atomic)
+		flags = GFP_ATOMIC;
+	page = __get_free_pages(flags, order);
+	if(page == 0)
+		return(0);
+	stack_protections(page);
+	return(page);
+}
+
+int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
+{
+	int pid;
+
+	current->thread.request.u.thread.proc = fn;
+	current->thread.request.u.thread.arg = arg;
+	pid = do_fork(CLONE_VM | CLONE_UNTRACED | flags, 0,
+		      &current->thread.regs, 0, NULL, NULL);
+	if(pid < 0)
+		panic("do_fork failed in kernel_thread, errno = %d", pid);
+	return(pid);
+}
 
-void switch_to_skas(void *prev, void *next)
+void set_current(void *t)
 {
-	struct task_struct *from, *to;
+	struct task_struct *task = t;
 
-	from = prev;
-	to = next;
+	cpu_tasks[task_thread_info(task)->cpu] = ((struct cpu_task)
+		{ external_pid(task), task });
+}
 
-	/* XXX need to check runqueues[cpu].idle */
-	if(current->pid == 0)
-		switch_timers(0);
+void *_switch_to(void *prev, void *next, void *last)
+{
+        struct task_struct *from = prev;
+        struct task_struct *to= next;
 
-	switch_threads(&from->thread.mode.skas.switch_buf,
-		       to->thread.mode.skas.switch_buf);
+        to->thread.prev_sched = from;
+        set_current(to);
 
-	arch_switch_to_skas(current->thread.prev_sched, current);
+	do {
+		current->thread.saved_task = NULL ;
+		CHOOSE_MODE_PROC(switch_to_tt, switch_to_skas, prev, next);
+		if(current->thread.saved_task)
+			show_regs(&(current->thread.regs));
+		next= current->thread.saved_task;
+		prev= current;
+	} while(current->thread.saved_task);
+
+        return(current->thread.prev_sched);
 
-	if(current->pid == 0)
-		switch_timers(1);
 }
 
-extern void schedule_tail(struct task_struct *prev);
+void interrupt_end(void)
+{
+	if(need_resched()) schedule();
+	if(test_tsk_thread_flag(current, TIF_SIGPENDING)) do_signal();
+}
 
-void new_thread_handler(int sig)
+void release_thread(struct task_struct *task)
 {
-	int (*fn)(void *), n;
-	void *arg;
+	CHOOSE_MODE(release_thread_tt(task), release_thread_skas(task));
+}
 
-	fn = current->thread.request.u.thread.proc;
-	arg = current->thread.request.u.thread.arg;
-	os_usr1_signal(1);
-	thread_wait(&current->thread.mode.skas.switch_buf,
-		    current->thread.mode.skas.fork_buf);
+void exit_thread(void)
+{
+	unprotect_stack((unsigned long) current_thread);
+}
 
-	if(current->thread.prev_sched != NULL)
-		schedule_tail(current->thread.prev_sched);
-	current->thread.prev_sched = NULL;
+void *get_current(void)
+{
+	return(current);
+}
+
+int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
+		unsigned long stack_top, struct task_struct * p,
+		struct pt_regs *regs)
+{
+	int ret;
 
-	/* The return value is 1 if the kernel thread execs a process,
-	 * 0 if it just exits
+	p->thread = (struct thread_struct) INIT_THREAD;
+	ret = CHOOSE_MODE_PROC(copy_thread_tt, copy_thread_skas, nr,
+				clone_flags, sp, stack_top, p, regs);
+
+	if (ret || !current->thread.forking)
+		goto out;
+
+	clear_flushed_tls(p);
+
+	/*
+	 * Set a new TLS for the child thread?
 	 */
-	n = run_kernel_thread(fn, arg, &current->thread.exec_buf);
-	if(n == 1){
-		/* Handle any immediate reschedules or signals */
-		interrupt_end();
-		userspace(&current->thread.regs.regs);
+	if (clone_flags & CLONE_SETTLS)
+		ret = arch_copy_tls(p);
+
+out:
+	return ret;
+}
+
+void initial_thread_cb(void (*proc)(void *), void *arg)
+{
+	int save_kmalloc_ok = kmalloc_ok;
+
+	kmalloc_ok = 0;
+	CHOOSE_MODE_PROC(initial_thread_cb_tt, initial_thread_cb_skas, proc,
+			 arg);
+	kmalloc_ok = save_kmalloc_ok;
+}
+
+unsigned long stack_sp(unsigned long page)
+{
+	return(page + PAGE_SIZE - sizeof(void *));
+}
+
+int current_pid(void)
+{
+	return(current->pid);
+}
+
+void default_idle(void)
+{
+	CHOOSE_MODE(uml_idle_timer(), (void) 0);
+
+	while(1){
+		/* endless idle loop with no priority at all */
+
+		/*
+		 * although we are an idle CPU, we do not want to
+		 * get into the scheduler unnecessarily.
+		 */
+		if(need_resched())
+			schedule();
+
+		idle_sleep(10);
 	}
-	else do_exit(0);
 }
 
-void new_thread_proc(void *stack, void (*handler)(int sig))
+void cpu_idle(void)
 {
-	init_new_thread_stack(stack, handler);
-	os_usr1_process(os_getpid());
+	CHOOSE_MODE(init_idle_tt(), init_idle_skas());
 }
 
-void release_thread_skas(struct task_struct *task)
+int page_size(void)
 {
+	return(PAGE_SIZE);
 }
 
-void fork_handler(int sig)
+void *um_virt_to_phys(struct task_struct *task, unsigned long addr,
+		      pte_t *pte_out)
 {
-	os_usr1_signal(1);
-	thread_wait(&current->thread.mode.skas.switch_buf,
-		    current->thread.mode.skas.fork_buf);
-  	
-	force_flush_all();
-	if(current->thread.prev_sched == NULL)
-		panic("blech");
+	pgd_t *pgd;
+	pud_t *pud;
+	pmd_t *pmd;
+	pte_t *pte;
+	pte_t ptent;
+
+	if(task->mm == NULL)
+		return(ERR_PTR(-EINVAL));
+	pgd = pgd_offset(task->mm, addr);
+	if(!pgd_present(*pgd))
+		return(ERR_PTR(-EINVAL));
+
+	pud = pud_offset(pgd, addr);
+	if(!pud_present(*pud))
+		return(ERR_PTR(-EINVAL));
+
+	pmd = pmd_offset(pud, addr);
+	if(!pmd_present(*pmd))
+		return(ERR_PTR(-EINVAL));
+
+	pte = pte_offset_kernel(pmd, addr);
+	ptent = *pte;
+	if(!pte_present(ptent))
+		return(ERR_PTR(-EINVAL));
+
+	if(pte_out != NULL)
+		*pte_out = ptent;
+	return((void *) (pte_val(ptent) & PAGE_MASK) + (addr & ~PAGE_MASK));
+}
 
-	schedule_tail(current->thread.prev_sched);
+char *current_cmd(void)
+{
+#if defined(CONFIG_SMP) || defined(CONFIG_HIGHMEM)
+	return("(Unknown)");
+#else
+	void *addr = um_virt_to_phys(current, current->mm->arg_start, NULL);
+	return IS_ERR(addr) ? "(Unknown)": __va((unsigned long) addr);
+#endif
+}
 
-	/* XXX: if interrupt_end() calls schedule, this call to
-	 * arch_switch_to_skas isn't needed. We could want to apply this to
-	 * improve performance. -bb */
-	arch_switch_to_skas(current->thread.prev_sched, current);
+void force_sigbus(void)
+{
+	printk(KERN_ERR "Killing pid %d because of a lack of memory\n",
+	       current->pid);
+	lock_kernel();
+	sigaddset(&current->pending.signal, SIGBUS);
+	recalc_sigpending();
+	current->flags |= PF_SIGNALED;
+	do_exit(SIGBUS | 0x80);
+}
 
-	current->thread.prev_sched = NULL;
+void dump_thread(struct pt_regs *regs, struct user *u)
+{
+}
 
-/* Handle any immediate reschedules or signals */
-	interrupt_end();
+void enable_hlt(void)
+{
+	panic("enable_hlt");
+}
+
+EXPORT_SYMBOL(enable_hlt);
 
-	userspace(&current->thread.regs.regs);
+void disable_hlt(void)
+{
+	panic("disable_hlt");
 }
 
-int copy_thread_skas(int nr, unsigned long clone_flags, unsigned long sp,
-		     unsigned long stack_top, struct task_struct * p,
-		     struct pt_regs *regs)
+EXPORT_SYMBOL(disable_hlt);
+
+void *um_kmalloc(int size)
 {
-  	void (*handler)(int);
+	return kmalloc(size, GFP_KERNEL);
+}
 
-	if(current->thread.forking){
-	  	memcpy(&p->thread.regs.regs.skas, &regs->regs.skas,
-		       sizeof(p->thread.regs.regs.skas));
-		REGS_SET_SYSCALL_RETURN(p->thread.regs.regs.skas.regs, 0);
-		if(sp != 0) REGS_SP(p->thread.regs.regs.skas.regs) = sp;
+void *um_kmalloc_atomic(int size)
+{
+	return kmalloc(size, GFP_ATOMIC);
+}
 
-		handler = fork_handler;
+void *um_vmalloc(int size)
+{
+	return vmalloc(size);
+}
 
-		arch_copy_thread(&current->thread.arch, &p->thread.arch);
-	}
-	else {
-		init_thread_registers(&p->thread.regs.regs);
-                p->thread.request.u.thread = current->thread.request.u.thread;
-		handler = new_thread_handler;
-	}
+void *um_vmalloc_atomic(int size)
+{
+	return __vmalloc(size, GFP_ATOMIC | __GFP_HIGHMEM, PAGE_KERNEL);
+}
 
-	new_thread(task_stack_page(p), &p->thread.mode.skas.switch_buf,
-		   &p->thread.mode.skas.fork_buf, handler);
-	return(0);
+int __cant_sleep(void) {
+	return in_atomic() || irqs_disabled() || in_interrupt();
+	/* Is in_interrupt() really needed? */
+}
+
+unsigned long get_fault_addr(void)
+{
+	return((unsigned long) current->thread.fault_addr);
 }
 
-int new_mm(unsigned long stack)
+EXPORT_SYMBOL(get_fault_addr);
+
+void not_implemented(void)
 {
-	int fd;
+	printk(KERN_DEBUG "Something isn't implemented in here\n");
+}
 
-	fd = os_open_file("/proc/mm", of_cloexec(of_write(OPENFLAGS())), 0);
-	if(fd < 0)
-		return(fd);
+EXPORT_SYMBOL(not_implemented);
 
-	if(skas_needs_stub)
-		map_stub_pages(fd, CONFIG_STUB_CODE, CONFIG_STUB_DATA, stack);
+int user_context(unsigned long sp)
+{
+	unsigned long stack;
 
-	return(fd);
+	stack = sp & (PAGE_MASK << CONFIG_KERNEL_STACK_ORDER);
+	return(stack != (unsigned long) current_thread);
 }
 
-void init_idle_skas(void)
+extern exitcall_t __uml_exitcall_begin, __uml_exitcall_end;
+
+void do_uml_exitcalls(void)
 {
-	cpu_tasks[current_thread->cpu].pid = os_getpid();
-	default_idle();
+	exitcall_t *call;
+
+	call = &__uml_exitcall_end;
+	while (--call >= &__uml_exitcall_begin)
+		(*call)();
 }
 
-extern void start_kernel(void);
+char *uml_strdup(char *string)
+{
+	return kstrdup(string, GFP_KERNEL);
+}
 
-static int start_kernel_proc(void *unused)
+int copy_to_user_proc(void __user *to, void *from, int size)
 {
-	int pid;
+	return(copy_to_user(to, from, size));
+}
+
+int copy_from_user_proc(void *to, void __user *from, int size)
+{
+	return(copy_from_user(to, from, size));
+}
+
+int clear_user_proc(void __user *buf, int size)
+{
+	return(clear_user(buf, size));
+}
 
-	block_signals();
-	pid = os_getpid();
+int strlen_user_proc(char __user *str)
+{
+	return(strlen_user(str));
+}
 
-	cpu_tasks[0].pid = pid;
-	cpu_tasks[0].task = current;
+int smp_sigio_handler(void)
+{
 #ifdef CONFIG_SMP
- 	cpu_online_map = cpumask_of_cpu(0);
+	int cpu = current_thread->cpu;
+	IPI_handler(cpu);
+	if(cpu != 0)
+		return(1);
 #endif
-	start_kernel();
 	return(0);
 }
 
-extern int userspace_pid[];
-
-int start_uml_skas(void)
+int cpu(void)
 {
-	if(proc_mm)
-		userspace_pid[0] = start_userspace(0);
+	return(current_thread->cpu);
+}
+
+static atomic_t using_sysemu = ATOMIC_INIT(0);
+int sysemu_supported;
 
-	init_new_thread_signals();
+void set_using_sysemu(int value)
+{
+	if (value > sysemu_supported)
+		return;
+	atomic_set(&using_sysemu, value);
+}
 
-	init_task.thread.request.u.thread.proc = start_kernel_proc;
-	init_task.thread.request.u.thread.arg = NULL;
-	return(start_idle_thread(task_stack_page(&init_task),
-				 &init_task.thread.mode.skas.switch_buf,
-				 &init_task.thread.mode.skas.fork_buf));
+int get_using_sysemu(void)
+{
+	return atomic_read(&using_sysemu);
 }
 
-int external_pid_skas(struct task_struct *task)
+static int proc_read_sysemu(char *buf, char **start, off_t offset, int size,int *eof, void *data)
 {
-#warning Need to look up userspace_pid by cpu
-	return(userspace_pid[0]);
+	if (snprintf(buf, size, "%d\n", get_using_sysemu()) < size) /*No overflow*/
+		*eof = 1;
+
+	return strlen(buf);
 }
 
-int thread_pid_skas(struct task_struct *task)
+static int proc_write_sysemu(struct file *file,const char __user *buf, unsigned long count,void *data)
 {
-#warning Need to look up userspace_pid by cpu
-	return(userspace_pid[0]);
+	char tmp[2];
+
+	if (copy_from_user(tmp, buf, 1))
+		return -EFAULT;
+
+	if (tmp[0] >= '0' && tmp[0] <= '2')
+		set_using_sysemu(tmp[0] - '0');
+	return count; /*We use the first char, but pretend to write everything*/
 }
 
-void kill_off_processes_skas(void)
+int __init make_proc_sysemu(void)
 {
-	if(proc_mm)
-#warning need to loop over userspace_pids in kill_off_processes_skas
-		os_kill_ptraced_process(userspace_pid[0], 1);
-	else {
-		struct task_struct *p;
-		int pid, me;
+	struct proc_dir_entry *ent;
+	if (!sysemu_supported)
+		return 0;
 
-		me = os_getpid();
-		for_each_process(p){
-			if(p->mm == NULL)
-				continue;
+	ent = create_proc_entry("sysemu", 0600, &proc_root);
 
-			pid = p->mm->context.skas.id.u.pid;
-			os_kill_ptraced_process(pid, 1);
-		}
+	if (ent == NULL)
+	{
+		printk(KERN_WARNING "Failed to register /proc/sysemu\n");
+		return(0);
 	}
+
+	ent->read_proc  = proc_read_sysemu;
+	ent->write_proc = proc_write_sysemu;
+
+	return 0;
 }
 
-unsigned long current_stub_stack(void)
+late_initcall(make_proc_sysemu);
+
+int singlestepping(void * t)
 {
-	if(current->mm == NULL)
+	struct task_struct *task = t ? t : current;
+
+	if ( ! (task->ptrace & PT_DTRACE) )
 		return(0);
 
-	return(current->mm->context.skas.id.stack);
+	if (task->thread.singlestep_syscall)
+		return(1);
+
+	return 2;
+}
+
+/*
+ * Only x86 and x86_64 have an arch_align_stack().
+ * All other arches have "#define arch_align_stack(x) (x)"
+ * in their asm/system.h
+ * As this is included in UML from asm-um/system-generic.h,
+ * we can use it to behave as the subarch does.
+ */
+#ifndef arch_align_stack
+unsigned long arch_align_stack(unsigned long sp)
+{
+	if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
+		sp -= get_random_int() % 8192;
+	return sp & ~0xf;
 }
+#endif
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 552ca1cb9847..820affbf3e16 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -35,9 +35,6 @@ unsigned long long sched_clock(void)
 	return (unsigned long long)jiffies_64 * (1000000000 / HZ);
 }
 
-/* Changed at early boot */
-int timer_irq_inited = 0;
-
 static unsigned long long prev_nsecs;
 #ifdef CONFIG_UML_REAL_TIME_CLOCK
 static long long delta;   		/* Deviation per interval */
@@ -98,7 +95,7 @@ irqreturn_t um_timer(int irq, void *dev, struct pt_regs *regs)
 
 	do_timer(regs);
 
-	nsecs = get_time() + local_offset;
+	nsecs = get_time();
 	xtime.tv_sec = nsecs / NSEC_PER_SEC;
 	xtime.tv_nsec = nsecs - xtime.tv_sec * NSEC_PER_SEC;
 
@@ -113,12 +110,13 @@ static void register_timer(void)
 
 	err = request_irq(TIMER_IRQ, um_timer, IRQF_DISABLED, "timer", NULL);
 	if(err != 0)
-		printk(KERN_ERR "timer_init : request_irq failed - "
+		printk(KERN_ERR "register_timer : request_irq failed - "
 		       "errno = %d\n", -err);
 
-	timer_irq_inited = 1;
-
-	user_time_init();
+	err = set_interval(1);
+	if(err != 0)
+		printk(KERN_ERR "register_timer : set_interval failed - "
+		       "errno = %d\n", -err);
 }
 
 extern void (*late_time_init)(void);
diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index f5b0636f9ad7..54a5ff25645a 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
  * Licensed under the GPL
  */
@@ -16,12 +16,12 @@
 #include "os.h"
 
 static int add_mmap(unsigned long virt, unsigned long phys, unsigned long len,
- 		    int r, int w, int x, struct host_vm_op *ops, int *index,
+		    int r, int w, int x, struct host_vm_op *ops, int *index,
 		    int last_filled, union mm_context *mmu, void **flush,
 		    int (*do_ops)(union mm_context *, struct host_vm_op *,
 				  int, int, void **))
 {
-        __u64 offset;
+	__u64 offset;
 	struct host_vm_op *last;
 	int fd, ret = 0;
 
@@ -89,7 +89,7 @@ static int add_munmap(unsigned long addr, unsigned long len,
 static int add_mprotect(unsigned long addr, unsigned long len, int r, int w,
 			int x, struct host_vm_op *ops, int *index,
 			int last_filled, union mm_context *mmu, void **flush,
- 			int (*do_ops)(union mm_context *, struct host_vm_op *,
+			int (*do_ops)(union mm_context *, struct host_vm_op *,
 				      int, int, void **))
 {
 	struct host_vm_op *last;
@@ -124,105 +124,105 @@ static int add_mprotect(unsigned long addr, unsigned long len, int r, int w,
 #define ADD_ROUND(n, inc) (((n) + (inc)) & ~((inc) - 1))
 
 void fix_range_common(struct mm_struct *mm, unsigned long start_addr,
-                      unsigned long end_addr, int force,
+		      unsigned long end_addr, int force,
 		      int (*do_ops)(union mm_context *, struct host_vm_op *,
 				    int, int, void **))
 {
-        pgd_t *npgd;
-        pud_t *npud;
-        pmd_t *npmd;
-        pte_t *npte;
-        union mm_context *mmu = &mm->context;
-        unsigned long addr, end;
-        int r, w, x;
-        struct host_vm_op ops[1];
-        void *flush = NULL;
-        int op_index = -1, last_op = sizeof(ops) / sizeof(ops[0]) - 1;
-        int ret = 0;
-
-        if(mm == NULL) return;
-
-        ops[0].type = NONE;
-        for(addr = start_addr; addr < end_addr && !ret;){
-                npgd = pgd_offset(mm, addr);
-                if(!pgd_present(*npgd)){
-                        end = ADD_ROUND(addr, PGDIR_SIZE);
-                        if(end > end_addr)
-                                end = end_addr;
-                        if(force || pgd_newpage(*npgd)){
-                                ret = add_munmap(addr, end - addr, ops,
-                                                 &op_index, last_op, mmu,
-                                                 &flush, do_ops);
-                                pgd_mkuptodate(*npgd);
-                        }
-                        addr = end;
-                        continue;
-                }
-
-                npud = pud_offset(npgd, addr);
-                if(!pud_present(*npud)){
-                        end = ADD_ROUND(addr, PUD_SIZE);
-                        if(end > end_addr)
-                                end = end_addr;
-                        if(force || pud_newpage(*npud)){
-                                ret = add_munmap(addr, end - addr, ops,
-                                                 &op_index, last_op, mmu,
-                                                 &flush, do_ops);
-                                pud_mkuptodate(*npud);
-                        }
-                        addr = end;
-                        continue;
-                }
-
-                npmd = pmd_offset(npud, addr);
-                if(!pmd_present(*npmd)){
-                        end = ADD_ROUND(addr, PMD_SIZE);
-                        if(end > end_addr)
-                                end = end_addr;
-                        if(force || pmd_newpage(*npmd)){
-                                ret = add_munmap(addr, end - addr, ops,
-                                                 &op_index, last_op, mmu,
-                                                 &flush, do_ops);
-                                pmd_mkuptodate(*npmd);
-                        }
-                        addr = end;
-                        continue;
-                }
-
-                npte = pte_offset_kernel(npmd, addr);
-                r = pte_read(*npte);
-                w = pte_write(*npte);
-                x = pte_exec(*npte);
+	pgd_t *npgd;
+	pud_t *npud;
+	pmd_t *npmd;
+	pte_t *npte;
+	union mm_context *mmu = &mm->context;
+	unsigned long addr, end;
+	int r, w, x;
+	struct host_vm_op ops[1];
+	void *flush = NULL;
+	int op_index = -1, last_op = ARRAY_SIZE(ops) - 1;
+	int ret = 0;
+
+	if(mm == NULL)
+		return;
+
+	ops[0].type = NONE;
+	for(addr = start_addr; addr < end_addr && !ret;){
+		npgd = pgd_offset(mm, addr);
+		if(!pgd_present(*npgd)){
+			end = ADD_ROUND(addr, PGDIR_SIZE);
+			if(end > end_addr)
+				end = end_addr;
+			if(force || pgd_newpage(*npgd)){
+				ret = add_munmap(addr, end - addr, ops,
+						 &op_index, last_op, mmu,
+						 &flush, do_ops);
+				pgd_mkuptodate(*npgd);
+			}
+			addr = end;
+			continue;
+		}
+
+		npud = pud_offset(npgd, addr);
+		if(!pud_present(*npud)){
+			end = ADD_ROUND(addr, PUD_SIZE);
+			if(end > end_addr)
+				end = end_addr;
+			if(force || pud_newpage(*npud)){
+				ret = add_munmap(addr, end - addr, ops,
+						 &op_index, last_op, mmu,
+						 &flush, do_ops);
+				pud_mkuptodate(*npud);
+			}
+			addr = end;
+			continue;
+		}
+
+		npmd = pmd_offset(npud, addr);
+		if(!pmd_present(*npmd)){
+			end = ADD_ROUND(addr, PMD_SIZE);
+			if(end > end_addr)
+				end = end_addr;
+			if(force || pmd_newpage(*npmd)){
+				ret = add_munmap(addr, end - addr, ops,
+						 &op_index, last_op, mmu,
+						 &flush, do_ops);
+				pmd_mkuptodate(*npmd);
+			}
+			addr = end;
+			continue;
+		}
+
+		npte = pte_offset_kernel(npmd, addr);
+		r = pte_read(*npte);
+		w = pte_write(*npte);
+		x = pte_exec(*npte);
 		if (!pte_young(*npte)) {
 			r = 0;
 			w = 0;
 		} else if (!pte_dirty(*npte)) {
 			w = 0;
 		}
-                if(force || pte_newpage(*npte)){
-                        if(pte_present(*npte))
-			  ret = add_mmap(addr,
-					 pte_val(*npte) & PAGE_MASK,
-					 PAGE_SIZE, r, w, x, ops,
-					 &op_index, last_op, mmu,
-					 &flush, do_ops);
+		if(force || pte_newpage(*npte)){
+			if(pte_present(*npte))
+				ret = add_mmap(addr,
+					       pte_val(*npte) & PAGE_MASK,
+					       PAGE_SIZE, r, w, x, ops,
+					       &op_index, last_op, mmu,
+					       &flush, do_ops);
 			else ret = add_munmap(addr, PAGE_SIZE, ops,
 					      &op_index, last_op, mmu,
 					      &flush, do_ops);
-                }
-                else if(pte_newprot(*npte))
+		}
+		else if(pte_newprot(*npte))
 			ret = add_mprotect(addr, PAGE_SIZE, r, w, x, ops,
 					   &op_index, last_op, mmu,
 					   &flush, do_ops);
 
-                *npte = pte_mkuptodate(*npte);
-                addr += PAGE_SIZE;
-        }
-
+		*npte = pte_mkuptodate(*npte);
+		addr += PAGE_SIZE;
+	}
 	if(!ret)
 		ret = (*do_ops)(mmu, ops, op_index, 1, &flush);
 
-	/* This is not an else because ret is modified above */
+/* This is not an else because ret is modified above */
 	if(ret) {
 		printk("fix_range_common: failed, killing current process\n");
 		force_sig(SIGKILL, current);
@@ -231,160 +231,160 @@ void fix_range_common(struct mm_struct *mm, unsigned long start_addr,
 
 int flush_tlb_kernel_range_common(unsigned long start, unsigned long end)
 {
-        struct mm_struct *mm;
-        pgd_t *pgd;
-        pud_t *pud;
-        pmd_t *pmd;
-        pte_t *pte;
-        unsigned long addr, last;
-        int updated = 0, err;
-
-        mm = &init_mm;
-        for(addr = start; addr < end;){
-                pgd = pgd_offset(mm, addr);
-                if(!pgd_present(*pgd)){
-                        last = ADD_ROUND(addr, PGDIR_SIZE);
-                        if(last > end)
-                                last = end;
-                        if(pgd_newpage(*pgd)){
-                                updated = 1;
-                                err = os_unmap_memory((void *) addr,
-                                                      last - addr);
-                                if(err < 0)
-                                        panic("munmap failed, errno = %d\n",
-                                              -err);
-                        }
-                        addr = last;
-                        continue;
-                }
-
-                pud = pud_offset(pgd, addr);
-                if(!pud_present(*pud)){
-                        last = ADD_ROUND(addr, PUD_SIZE);
-                        if(last > end)
-                                last = end;
-                        if(pud_newpage(*pud)){
-                                updated = 1;
-                                err = os_unmap_memory((void *) addr,
-                                                      last - addr);
-                                if(err < 0)
-                                        panic("munmap failed, errno = %d\n",
-                                              -err);
-                        }
-                        addr = last;
-                        continue;
-                }
-
-                pmd = pmd_offset(pud, addr);
-                if(!pmd_present(*pmd)){
-                        last = ADD_ROUND(addr, PMD_SIZE);
-                        if(last > end)
-                                last = end;
-                        if(pmd_newpage(*pmd)){
-                                updated = 1;
-                                err = os_unmap_memory((void *) addr,
-                                                      last - addr);
-                                if(err < 0)
-                                        panic("munmap failed, errno = %d\n",
-                                              -err);
-                        }
-                        addr = last;
-                        continue;
-                }
-
-                pte = pte_offset_kernel(pmd, addr);
-                if(!pte_present(*pte) || pte_newpage(*pte)){
-                        updated = 1;
-                        err = os_unmap_memory((void *) addr,
-                                              PAGE_SIZE);
-                        if(err < 0)
-                                panic("munmap failed, errno = %d\n",
-                                      -err);
-                        if(pte_present(*pte))
-                                map_memory(addr,
-                                           pte_val(*pte) & PAGE_MASK,
-                                           PAGE_SIZE, 1, 1, 1);
-                }
-                else if(pte_newprot(*pte)){
-                        updated = 1;
-                        os_protect_memory((void *) addr, PAGE_SIZE, 1, 1, 1);
-                }
-                addr += PAGE_SIZE;
-        }
-        return(updated);
+	struct mm_struct *mm;
+	pgd_t *pgd;
+	pud_t *pud;
+	pmd_t *pmd;
+	pte_t *pte;
+	unsigned long addr, last;
+	int updated = 0, err;
+
+	mm = &init_mm;
+	for(addr = start; addr < end;){
+		pgd = pgd_offset(mm, addr);
+		if(!pgd_present(*pgd)){
+			last = ADD_ROUND(addr, PGDIR_SIZE);
+			if(last > end)
+				last = end;
+			if(pgd_newpage(*pgd)){
+				updated = 1;
+				err = os_unmap_memory((void *) addr,
+						      last - addr);
+				if(err < 0)
+					panic("munmap failed, errno = %d\n",
+					      -err);
+			}
+			addr = last;
+			continue;
+		}
+
+		pud = pud_offset(pgd, addr);
+		if(!pud_present(*pud)){
+			last = ADD_ROUND(addr, PUD_SIZE);
+			if(last > end)
+				last = end;
+			if(pud_newpage(*pud)){
+				updated = 1;
+				err = os_unmap_memory((void *) addr,
+						      last - addr);
+				if(err < 0)
+					panic("munmap failed, errno = %d\n",
+					      -err);
+			}
+			addr = last;
+			continue;
+		}
+
+		pmd = pmd_offset(pud, addr);
+		if(!pmd_present(*pmd)){
+			last = ADD_ROUND(addr, PMD_SIZE);
+			if(last > end)
+				last = end;
+			if(pmd_newpage(*pmd)){
+				updated = 1;
+				err = os_unmap_memory((void *) addr,
+						      last - addr);
+				if(err < 0)
+					panic("munmap failed, errno = %d\n",
+					      -err);
+			}
+			addr = last;
+			continue;
+		}
+
+		pte = pte_offset_kernel(pmd, addr);
+		if(!pte_present(*pte) || pte_newpage(*pte)){
+			updated = 1;
+			err = os_unmap_memory((void *) addr,
+					      PAGE_SIZE);
+			if(err < 0)
+				panic("munmap failed, errno = %d\n",
+				      -err);
+			if(pte_present(*pte))
+				map_memory(addr,
+					   pte_val(*pte) & PAGE_MASK,
+					   PAGE_SIZE, 1, 1, 1);
+		}
+		else if(pte_newprot(*pte)){
+			updated = 1;
+			os_protect_memory((void *) addr, PAGE_SIZE, 1, 1, 1);
+		}
+		addr += PAGE_SIZE;
+	}
+	return(updated);
 }
 
 pgd_t *pgd_offset_proc(struct mm_struct *mm, unsigned long address)
 {
-        return(pgd_offset(mm, address));
+	return(pgd_offset(mm, address));
 }
 
 pud_t *pud_offset_proc(pgd_t *pgd, unsigned long address)
 {
-        return(pud_offset(pgd, address));
+	return(pud_offset(pgd, address));
 }
 
 pmd_t *pmd_offset_proc(pud_t *pud, unsigned long address)
 {
-        return(pmd_offset(pud, address));
+	return(pmd_offset(pud, address));
 }
 
 pte_t *pte_offset_proc(pmd_t *pmd, unsigned long address)
 {
-        return(pte_offset_kernel(pmd, address));
+	return(pte_offset_kernel(pmd, address));
 }
 
 pte_t *addr_pte(struct task_struct *task, unsigned long addr)
 {
-        pgd_t *pgd = pgd_offset(task->mm, addr);
-        pud_t *pud = pud_offset(pgd, addr);
-        pmd_t *pmd = pmd_offset(pud, addr);
+	pgd_t *pgd = pgd_offset(task->mm, addr);
+	pud_t *pud = pud_offset(pgd, addr);
+	pmd_t *pmd = pmd_offset(pud, addr);
 
-        return(pte_offset_map(pmd, addr));
+	return(pte_offset_map(pmd, addr));
 }
 
 void flush_tlb_page(struct vm_area_struct *vma, unsigned long address)
 {
-        address &= PAGE_MASK;
-        flush_tlb_range(vma, address, address + PAGE_SIZE);
+	address &= PAGE_MASK;
+	flush_tlb_range(vma, address, address + PAGE_SIZE);
 }
 
 void flush_tlb_all(void)
 {
-        flush_tlb_mm(current->mm);
+	flush_tlb_mm(current->mm);
 }
 
 void flush_tlb_kernel_range(unsigned long start, unsigned long end)
 {
-        CHOOSE_MODE_PROC(flush_tlb_kernel_range_tt,
-                         flush_tlb_kernel_range_common, start, end);
+	CHOOSE_MODE_PROC(flush_tlb_kernel_range_tt,
+			 flush_tlb_kernel_range_common, start, end);
 }
 
 void flush_tlb_kernel_vm(void)
 {
-        CHOOSE_MODE(flush_tlb_kernel_vm_tt(),
-                    flush_tlb_kernel_range_common(start_vm, end_vm));
+	CHOOSE_MODE(flush_tlb_kernel_vm_tt(),
+		    flush_tlb_kernel_range_common(start_vm, end_vm));
 }
 
 void __flush_tlb_one(unsigned long addr)
 {
-        CHOOSE_MODE_PROC(__flush_tlb_one_tt, __flush_tlb_one_skas, addr);
+	CHOOSE_MODE_PROC(__flush_tlb_one_tt, __flush_tlb_one_skas, addr);
 }
 
 void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
 		     unsigned long end)
 {
-        CHOOSE_MODE_PROC(flush_tlb_range_tt, flush_tlb_range_skas, vma, start,
-                         end);
+	CHOOSE_MODE_PROC(flush_tlb_range_tt, flush_tlb_range_skas, vma, start,
+			 end);
 }
 
 void flush_tlb_mm(struct mm_struct *mm)
 {
-        CHOOSE_MODE_PROC(flush_tlb_mm_tt, flush_tlb_mm_skas, mm);
+	CHOOSE_MODE_PROC(flush_tlb_mm_tt, flush_tlb_mm_skas, mm);
 }
 
 void force_flush_all(void)
 {
-        CHOOSE_MODE(force_flush_all_tt(), force_flush_all_skas());
+	CHOOSE_MODE(force_flush_all_tt(), force_flush_all_skas());
 }
 
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index ac70fa5a2e2a..61a23fff4395 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -140,14 +140,6 @@ void segv_handler(int sig, union uml_pt_regs *regs)
 	segv(*fi, UPT_IP(regs), UPT_IS_USER(regs), regs);
 }
 
-struct kern_handlers handlinfo_kern = {
-	.relay_signal = relay_signal,
-	.winch = winch,
-	.bus_handler = relay_signal,
-	.page_fault = segv_handler,
-	.sigio_handler = sigio_handler,
-	.timer_handler = timer_handler
-};
 /*
  * We give a *copy* of the faultinfo in the regs to segv.
  * This must be done, since nesting SEGVs could overwrite
@@ -227,9 +219,16 @@ void bad_segv(struct faultinfo fi, unsigned long ip)
 
 void relay_signal(int sig, union uml_pt_regs *regs)
 {
-	if(arch_handle_signal(sig, regs)) return;
-	if(!UPT_IS_USER(regs))
+	if(arch_handle_signal(sig, regs))
+		return;
+
+	if(!UPT_IS_USER(regs)){
+		if(sig == SIGBUS)
+			printk("Bus error - the /dev/shm or /tmp mount likely "
+			       "just ran out of space\n");
 		panic("Kernel mode signal %d", sig);
+	}
+
         current->thread.arch.faultinfo = *UPT_FAULTINFO(regs);
 	force_sig(sig, current);
 }
@@ -246,6 +245,15 @@ void winch(int sig, union uml_pt_regs *regs)
 	do_IRQ(WINCH_IRQ, regs);
 }
 
+const struct kern_handlers handlinfo_kern = {
+	.relay_signal = relay_signal,
+	.winch = winch,
+	.bus_handler = bus_handler,
+	.page_fault = segv_handler,
+	.sigio_handler = sigio_handler,
+	.timer_handler = timer_handler
+};
+
 void trap_init(void)
 {
 }
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 7896cf98232d..55005710dcbb 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -106,7 +106,7 @@ static void c_stop(struct seq_file *m, void *v)
 {
 }
 
-struct seq_operations cpuinfo_op = {
+const struct seq_operations cpuinfo_op = {
 	.start	= c_start,
 	.next	= c_next,
 	.stop	= c_stop,
diff --git a/arch/um/os-Linux/Makefile b/arch/um/os-Linux/Makefile
index f4bfc4c7ccac..b4183929b32c 100644
--- a/arch/um/os-Linux/Makefile
+++ b/arch/um/os-Linux/Makefile
@@ -4,15 +4,19 @@
 #
 
 obj-y = aio.o elf_aux.o file.o helper.o irq.o main.o mem.o process.o sigio.o \
-	signal.o start_up.o time.o trap.o tt.o tty.o uaccess.o umid.o tls.o \
+	signal.o start_up.o time.o trap.o tty.o uaccess.o umid.o tls.o \
 	user_syms.o util.o drivers/ sys-$(SUBARCH)/
 
 obj-$(CONFIG_MODE_SKAS) += skas/
+
+obj-$(CONFIG_MODE_TT) += tt.o
+user-objs-$(CONFIG_MODE_TT) += tt.o
+
 obj-$(CONFIG_TTY_LOG) += tty_log.o
 user-objs-$(CONFIG_TTY_LOG) += tty_log.o
 
 USER_OBJS := $(user-objs-y) aio.o elf_aux.o file.o helper.o irq.o main.o mem.o \
-	process.o sigio.o signal.o start_up.o time.o trap.o tt.o tty.o tls.o \
+	process.o sigio.o signal.o start_up.o time.o trap.o tty.o tls.o \
 	uaccess.o umid.o util.o
 
 CFLAGS_user_syms.o += -DSUBARCH_$(SUBARCH)
diff --git a/arch/um/os-Linux/drivers/etap.h b/arch/um/os-Linux/drivers/etap.h
index b84f6c4740f7..57ecdaf2f67e 100644
--- a/arch/um/os-Linux/drivers/etap.h
+++ b/arch/um/os-Linux/drivers/etap.h
@@ -13,7 +13,7 @@ struct ethertap_data {
 	void *dev;
 };
 
-extern struct net_user_info ethertap_user_info;
+extern const struct net_user_info ethertap_user_info;
 
 /*
  * Overrides for Emacs so that we follow Linus's tabbing style.
diff --git a/arch/um/os-Linux/drivers/ethertap_kern.c b/arch/um/os-Linux/drivers/ethertap_kern.c
index 768606bec233..16385e2ada85 100644
--- a/arch/um/os-Linux/drivers/ethertap_kern.c
+++ b/arch/um/os-Linux/drivers/ethertap_kern.c
@@ -65,7 +65,7 @@ static int etap_write(int fd, struct sk_buff **skb, struct uml_net_private *lp)
 	return(net_send(fd, (*skb)->data, (*skb)->len));
 }
 
-struct net_kern_info ethertap_kern_info = {
+const struct net_kern_info ethertap_kern_info = {
 	.init			= etap_init,
 	.protocol		= eth_protocol,
 	.read			= etap_read,
diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c
index 8f49507e64ef..f559bdf746e6 100644
--- a/arch/um/os-Linux/drivers/ethertap_user.c
+++ b/arch/um/os-Linux/drivers/ethertap_user.c
@@ -216,7 +216,7 @@ static void etap_del_addr(unsigned char *addr, unsigned char *netmask,
 	etap_close_addr(addr, netmask, &pri->control_fd);
 }
 
-struct net_user_info ethertap_user_info = {
+const struct net_user_info ethertap_user_info = {
 	.init		= etap_user_init,
 	.open		= etap_open,
 	.close	 	= etap_close,
diff --git a/arch/um/os-Linux/drivers/tuntap.h b/arch/um/os-Linux/drivers/tuntap.h
index 25d4a2868814..d3e8d3af6245 100644
--- a/arch/um/os-Linux/drivers/tuntap.h
+++ b/arch/um/os-Linux/drivers/tuntap.h
@@ -16,7 +16,7 @@ struct tuntap_data {
 	void *dev;
 };
 
-extern struct net_user_info tuntap_user_info;
+extern const struct net_user_info tuntap_user_info;
 
 #endif
 
diff --git a/arch/um/os-Linux/drivers/tuntap_kern.c b/arch/um/os-Linux/drivers/tuntap_kern.c
index 190009a6f89c..0edbac63c527 100644
--- a/arch/um/os-Linux/drivers/tuntap_kern.c
+++ b/arch/um/os-Linux/drivers/tuntap_kern.c
@@ -53,7 +53,7 @@ static int tuntap_write(int fd, struct sk_buff **skb,
 	return(net_write(fd, (*skb)->data, (*skb)->len));
 }
 
-struct net_kern_info tuntap_kern_info = {
+const struct net_kern_info tuntap_kern_info = {
 	.init			= tuntap_init,
 	.protocol		= eth_protocol,
 	.read			= tuntap_read,
diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c
index 87c3aa0252db..e846b23f7558 100644
--- a/arch/um/os-Linux/drivers/tuntap_user.c
+++ b/arch/um/os-Linux/drivers/tuntap_user.c
@@ -205,7 +205,7 @@ static int tuntap_set_mtu(int mtu, void *data)
 	return(mtu);
 }
 
-struct net_user_info tuntap_user_info = {
+const struct net_user_info tuntap_user_info = {
 	.init		= tuntap_user_init,
 	.open		= tuntap_open,
 	.close	 	= tuntap_close,
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index 6987d1d247a2..cd15b9df5b5c 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -42,7 +42,7 @@ static int helper_child(void *arg)
 	if(data->pre_exec != NULL)
 		(*data->pre_exec)(data->pre_data);
 	execvp(argv[0], argv);
-	errval = errno;
+	errval = -errno;
 	printk("helper_child - execve of '%s' failed - errno = %d\n", argv[0], errno);
 	os_write_file(data->fd, &errval, sizeof(errval));
 	kill(os_getpid(), SIGKILL);
@@ -62,7 +62,7 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv,
 		stack = *stack_out;
 	else stack = alloc_stack(0, __cant_sleep());
 	if(stack == 0)
-		return(-ENOMEM);
+		return -ENOMEM;
 
 	ret = os_pipe(fds, 1, 0);
 	if(ret < 0){
@@ -95,16 +95,16 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv,
 	/* Read the errno value from the child, if the exec failed, or get 0 if
 	 * the exec succeeded because the pipe fd was set as close-on-exec. */
 	n = os_read_file(fds[0], &ret, sizeof(ret));
-	if (n < 0) {
-		printk("run_helper : read on pipe failed, ret = %d\n", -n);
-		ret = n;
-		kill(pid, SIGKILL);
-		CATCH_EINTR(waitpid(pid, NULL, 0));
-	} else if(n != 0){
-		CATCH_EINTR(n = waitpid(pid, NULL, 0));
-		ret = -errno;
-	} else {
+	if(n == 0)
 		ret = pid;
+	else {
+		if(n < 0){
+			printk("run_helper : read on pipe failed, ret = %d\n",
+			       -n);
+			ret = n;
+			kill(pid, SIGKILL);
+		}
+		CATCH_EINTR(waitpid(pid, NULL, 0));
 	}
 
 out_close:
diff --git a/arch/um/os-Linux/irq.c b/arch/um/os-Linux/irq.c
index 7555bf9c33d9..a97206df5b52 100644
--- a/arch/um/os-Linux/irq.c
+++ b/arch/um/os-Linux/irq.c
@@ -132,7 +132,7 @@ void os_set_pollfd(int i, int fd)
 
 void os_set_ioignore(void)
 {
-	set_handler(SIGIO, SIG_IGN, 0, -1);
+	signal(SIGIO, SIG_IGN);
 }
 
 void init_irq_signals(int on_sigstack)
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index 90912aaca7aa..d1c5670787dc 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -67,13 +67,32 @@ static __init void do_uml_initcalls(void)
 
 static void last_ditch_exit(int sig)
 {
-	signal(SIGINT, SIG_DFL);
-	signal(SIGTERM, SIG_DFL);
-	signal(SIGHUP, SIG_DFL);
 	uml_cleanup();
 	exit(1);
 }
 
+static void install_fatal_handler(int sig)
+{
+	struct sigaction action;
+
+	/* All signals are enabled in this handler ... */
+	sigemptyset(&action.sa_mask);
+
+	/* ... including the signal being handled, plus we want the
+	 * handler reset to the default behavior, so that if an exit
+	 * handler is hanging for some reason, the UML will just die
+	 * after this signal is sent a second time.
+	 */
+	action.sa_flags = SA_RESETHAND | SA_NODEFER;
+	action.sa_restorer = NULL;
+	action.sa_handler = last_ditch_exit;
+	if(sigaction(sig, &action, NULL) < 0){
+		printf("failed to install handler for signal %d - errno = %d\n",
+		       errno);
+		exit(1);
+	}
+}
+
 #define UML_LIB_PATH	":/usr/lib/uml"
 
 static void setup_env_path(void)
@@ -158,9 +177,12 @@ int main(int argc, char **argv, char **envp)
 	}
 	new_argv[argc] = NULL;
 
-	set_handler(SIGINT, last_ditch_exit, SA_ONESHOT | SA_NODEFER, -1);
-	set_handler(SIGTERM, last_ditch_exit, SA_ONESHOT | SA_NODEFER, -1);
-	set_handler(SIGHUP, last_ditch_exit, SA_ONESHOT | SA_NODEFER, -1);
+	/* Allow these signals to bring down a UML if all other
+	 * methods of control fail.
+	 */
+	install_fatal_handler(SIGINT);
+	install_fatal_handler(SIGTERM);
+	install_fatal_handler(SIGHUP);
 
 	scan_elf_aux( envp);
 
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
index 560c8063c77c..b170b4704dc4 100644
--- a/arch/um/os-Linux/mem.c
+++ b/arch/um/os-Linux/mem.c
@@ -114,14 +114,14 @@ static void which_tmpdir(void)
 	}
 
 	while(1){
-		found = next(fd, buf, sizeof(buf) / sizeof(buf[0]), ' ');
+		found = next(fd, buf, ARRAY_SIZE(buf), ' ');
 		if(found != 1)
 			break;
 
 		if(!strncmp(buf, "/dev/shm", strlen("/dev/shm")))
 			goto found;
 
-		found = next(fd, buf, sizeof(buf) / sizeof(buf[0]), '\n');
+		found = next(fd, buf, ARRAY_SIZE(buf), '\n');
 		if(found != 1)
 			break;
 	}
@@ -135,7 +135,7 @@ err:
 	return;
 
 found:
-	found = next(fd, buf, sizeof(buf) / sizeof(buf[0]), ' ');
+	found = next(fd, buf, ARRAY_SIZE(buf), ' ');
 	if(found != 1)
 		goto err;
 
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
index b98d3ca2cd1b..ff203625a4bd 100644
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -7,7 +7,6 @@
 #include <stdio.h>
 #include <errno.h>
 #include <signal.h>
-#include <setjmp.h>
 #include <linux/unistd.h>
 #include <sys/mman.h>
 #include <sys/wait.h>
@@ -247,7 +246,17 @@ void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int))
 		set_sigstack(sig_stack, pages * page_size());
 		flags = SA_ONSTACK;
 	}
-	if(usr1_handler) set_handler(SIGUSR1, usr1_handler, flags, -1);
+	if(usr1_handler){
+		struct sigaction sa;
+
+		sa.sa_handler = usr1_handler;
+		sigemptyset(&sa.sa_mask);
+		sa.sa_flags = flags;
+		sa.sa_restorer = NULL;
+		if(sigaction(SIGUSR1, &sa, NULL) < 0)
+			panic("init_new_thread_stack - sigaction failed - "
+			      "errno = %d\n", errno);
+	}
 }
 
 void init_new_thread_signals(void)
diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c
index 0ecac563c7b3..f6457765b17d 100644
--- a/arch/um/os-Linux/sigio.c
+++ b/arch/um/os-Linux/sigio.c
@@ -43,17 +43,9 @@ struct pollfds {
 /* Protected by sigio_lock().  Used by the sigio thread, but the UML thread
  * synchronizes with it.
  */
-static struct pollfds current_poll = {
-	.poll  		= NULL,
-	.size 		= 0,
-	.used 		= 0
-};
-
-static struct pollfds next_poll = {
-	.poll  		= NULL,
-	.size 		= 0,
-	.used 		= 0
-};
+static struct pollfds current_poll;
+static struct pollfds next_poll;
+static struct pollfds all_sigio_fds;
 
 static int write_sigio_thread(void *unused)
 {
@@ -78,7 +70,8 @@ static int write_sigio_thread(void *unused)
 				n = os_read_file(sigio_private[1], &c, sizeof(c));
 				if(n != sizeof(c))
 					printk("write_sigio_thread : "
-					       "read failed, err = %d\n", -n);
+					       "read on socket failed, "
+					       "err = %d\n", -n);
 				tmp = current_poll;
 				current_poll = next_poll;
 				next_poll = tmp;
@@ -93,35 +86,36 @@ static int write_sigio_thread(void *unused)
 
 			n = os_write_file(respond_fd, &c, sizeof(c));
 			if(n != sizeof(c))
-				printk("write_sigio_thread : write failed, "
-				       "err = %d\n", -n);
+				printk("write_sigio_thread : write on socket "
+				       "failed, err = %d\n", -n);
 		}
 	}
 
 	return 0;
 }
 
-static int need_poll(int n)
+static int need_poll(struct pollfds *polls, int n)
 {
-	if(n <= next_poll.size){
-		next_poll.used = n;
-		return(0);
+	if(n <= polls->size){
+		polls->used = n;
+		return 0;
 	}
-	kfree(next_poll.poll);
-	next_poll.poll = um_kmalloc_atomic(n * sizeof(struct pollfd));
-	if(next_poll.poll == NULL){
+	kfree(polls->poll);
+	polls->poll = um_kmalloc_atomic(n * sizeof(struct pollfd));
+	if(polls->poll == NULL){
 		printk("need_poll : failed to allocate new pollfds\n");
-		next_poll.size = 0;
-		next_poll.used = 0;
-		return(-1);
+		polls->size = 0;
+		polls->used = 0;
+		return -ENOMEM;
 	}
-	next_poll.size = n;
-	next_poll.used = n;
-	return(0);
+	polls->size = n;
+	polls->used = n;
+	return 0;
 }
 
 /* Must be called with sigio_lock held, because it's needed by the marked
- * critical section. */
+ * critical section.
+ */
 static void update_thread(void)
 {
 	unsigned long flags;
@@ -156,34 +150,39 @@ static void update_thread(void)
 	set_signals(flags);
 }
 
-static int add_sigio_fd(int fd, int read)
+int add_sigio_fd(int fd)
 {
-	int err = 0, i, n, events;
+	struct pollfd *p;
+	int err = 0, i, n;
 
 	sigio_lock();
+	for(i = 0; i < all_sigio_fds.used; i++){
+		if(all_sigio_fds.poll[i].fd == fd)
+			break;
+	}
+	if(i == all_sigio_fds.used)
+		goto out;
+
+	p = &all_sigio_fds.poll[i];
+
 	for(i = 0; i < current_poll.used; i++){
 		if(current_poll.poll[i].fd == fd)
 			goto out;
 	}
 
 	n = current_poll.used + 1;
-	err = need_poll(n);
+	err = need_poll(&next_poll, n);
 	if(err)
 		goto out;
 
 	for(i = 0; i < current_poll.used; i++)
 		next_poll.poll[i] = current_poll.poll[i];
 
-	if(read) events = POLLIN;
-	else events = POLLOUT;
-
-	next_poll.poll[n - 1] = ((struct pollfd) { .fd  	= fd,
-						   .events 	= events,
-						   .revents 	= 0 });
+	next_poll.poll[n - 1] = *p;
 	update_thread();
  out:
 	sigio_unlock();
-	return(err);
+	return err;
 }
 
 int ignore_sigio_fd(int fd)
@@ -205,18 +204,14 @@ int ignore_sigio_fd(int fd)
 	if(i == current_poll.used)
 		goto out;
 
-	err = need_poll(current_poll.used - 1);
+	err = need_poll(&next_poll, current_poll.used - 1);
 	if(err)
 		goto out;
 
 	for(i = 0; i < current_poll.used; i++){
 		p = &current_poll.poll[i];
-		if(p->fd != fd) next_poll.poll[n++] = current_poll.poll[i];
-	}
-	if(n == i){
-		printk("ignore_sigio_fd : fd %d not found\n", fd);
-		err = -1;
-		goto out;
+		if(p->fd != fd)
+			next_poll.poll[n++] = *p;
 	}
 
 	update_thread();
@@ -234,7 +229,7 @@ static struct pollfd *setup_initial_poll(int fd)
 		printk("setup_initial_poll : failed to allocate poll\n");
 		return NULL;
 	}
-	*p = ((struct pollfd) { .fd  	= fd,
+	*p = ((struct pollfd) { .fd		= fd,
 				.events 	= POLLIN,
 				.revents 	= 0 });
 	return p;
@@ -323,6 +318,8 @@ out_close1:
 
 void maybe_sigio_broken(int fd, int read)
 {
+	int err;
+
 	if(!isatty(fd))
 		return;
 
@@ -330,7 +327,19 @@ void maybe_sigio_broken(int fd, int read)
 		return;
 
 	write_sigio_workaround();
-	add_sigio_fd(fd, read);
+
+	sigio_lock();
+	err = need_poll(&all_sigio_fds, all_sigio_fds.used + 1);
+	if(err){
+		printk("maybe_sigio_broken - failed to add pollfd\n");
+		goto out;
+	}
+	all_sigio_fds.poll[all_sigio_fds.used++] =
+		((struct pollfd) { .fd  	= fd,
+				   .events 	= read ? POLLIN : POLLOUT,
+				   .revents 	= 0 });
+out:
+	sigio_unlock();
 }
 
 static void sigio_cleanup(void)
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 60e4faedf254..6b81739279d1 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -15,7 +15,6 @@
 #include "user.h"
 #include "signal_kern.h"
 #include "sysdep/sigcontext.h"
-#include "sysdep/signal.h"
 #include "sigcontext.h"
 #include "mode.h"
 #include "os.h"
@@ -38,18 +37,10 @@
 static int signals_enabled = 1;
 static int pending = 0;
 
-void sig_handler(ARCH_SIGHDLR_PARAM)
+void sig_handler(int sig, struct sigcontext *sc)
 {
-	struct sigcontext *sc;
 	int enabled;
 
-	/* Must be the first thing that this handler does - x86_64 stores
-	 * the sigcontext in %rdx, and we need to save it before it has a
-	 * chance to get trashed.
-	 */
-
-	ARCH_GET_SIGCONTEXT(sc, sig);
-
 	enabled = signals_enabled;
 	if(!enabled && (sig == SIGIO)){
 		pending |= SIGIO_MASK;
@@ -64,15 +55,8 @@ void sig_handler(ARCH_SIGHDLR_PARAM)
 	set_signals(enabled);
 }
 
-extern int timer_irq_inited;
-
 static void real_alarm_handler(int sig, struct sigcontext *sc)
 {
-	if(!timer_irq_inited){
-		signals_enabled = 1;
-		return;
-	}
-
 	if(sig == SIGALRM)
 		switch_timers(0);
 
@@ -84,13 +68,10 @@ static void real_alarm_handler(int sig, struct sigcontext *sc)
 
 }
 
-void alarm_handler(ARCH_SIGHDLR_PARAM)
+void alarm_handler(int sig, struct sigcontext *sc)
 {
-	struct sigcontext *sc;
 	int enabled;
 
-	ARCH_GET_SIGCONTEXT(sc, sig);
-
 	enabled = signals_enabled;
 	if(!signals_enabled){
 		if(sig == SIGVTALRM)
@@ -126,6 +107,10 @@ void remove_sigstack(void)
 		panic("disabling signal stack failed, errno = %d\n", errno);
 }
 
+void (*handlers[_NSIG])(int sig, struct sigcontext *sc);
+
+extern void hard_handler(int sig);
+
 void set_handler(int sig, void (*handler)(int), int flags, ...)
 {
 	struct sigaction action;
@@ -133,13 +118,16 @@ void set_handler(int sig, void (*handler)(int), int flags, ...)
 	sigset_t sig_mask;
 	int mask;
 
-	va_start(ap, flags);
-	action.sa_handler = handler;
+	handlers[sig] = (void (*)(int, struct sigcontext *)) handler;
+	action.sa_handler = hard_handler;
+
 	sigemptyset(&action.sa_mask);
-	while((mask = va_arg(ap, int)) != -1){
+
+	va_start(ap, flags);
+	while((mask = va_arg(ap, int)) != -1)
 		sigaddset(&action.sa_mask, mask);
-	}
 	va_end(ap);
+
 	action.sa_flags = flags;
 	action.sa_restorer = NULL;
 	if(sigaction(sig, &action, NULL) < 0)
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 7baf90fda58b..cb9ab54146cc 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -8,7 +8,6 @@
 #include <unistd.h>
 #include <errno.h>
 #include <signal.h>
-#include <setjmp.h>
 #include <sched.h>
 #include "ptrace_user.h"
 #include <sys/wait.h>
@@ -156,11 +155,15 @@ extern int __syscall_stub_start;
 static int userspace_tramp(void *stack)
 {
 	void *addr;
+	int err;
 
 	ptrace(PTRACE_TRACEME, 0, 0, 0);
 
 	init_new_thread_signals();
-	enable_timer();
+	err = set_interval(1);
+	if(err)
+		panic("userspace_tramp - setting timer failed, errno = %d\n",
+		      err);
 
 	if(!proc_mm){
 		/* This has a pte, but it can't be mapped in with the usual
@@ -190,14 +193,25 @@ static int userspace_tramp(void *stack)
 		}
 	}
 	if(!ptrace_faultinfo && (stack != NULL)){
+		struct sigaction sa;
+
 		unsigned long v = UML_CONFIG_STUB_CODE +
 				  (unsigned long) stub_segv_handler -
 				  (unsigned long) &__syscall_stub_start;
 
 		set_sigstack((void *) UML_CONFIG_STUB_DATA, page_size());
-		set_handler(SIGSEGV, (void *) v, SA_ONSTACK,
-			    SIGIO, SIGWINCH, SIGALRM, SIGVTALRM,
-			    SIGUSR1, -1);
+		sigemptyset(&sa.sa_mask);
+		sigaddset(&sa.sa_mask, SIGIO);
+		sigaddset(&sa.sa_mask, SIGWINCH);
+		sigaddset(&sa.sa_mask, SIGALRM);
+		sigaddset(&sa.sa_mask, SIGVTALRM);
+		sigaddset(&sa.sa_mask, SIGUSR1);
+		sa.sa_flags = SA_ONSTACK;
+		sa.sa_handler = (void *) v;
+		sa.sa_restorer = NULL;
+		if(sigaction(SIGSEGV, &sa, NULL) < 0)
+			panic("userspace_tramp - setting SIGSEGV handler "
+			      "failed - errno = %d\n", errno);
 	}
 
 	os_stop_process(os_getpid());
@@ -430,56 +444,22 @@ void map_stub_pages(int fd, unsigned long code,
 	}
 }
 
-void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
-		void (*handler)(int))
+void new_thread(void *stack, jmp_buf *buf, void (*handler)(void))
 {
-	unsigned long flags;
-	jmp_buf switch_buf, fork_buf;
-
-	*switch_buf_ptr = &switch_buf;
-	*fork_buf_ptr = &fork_buf;
-
-	/* Somewhat subtle - siglongjmp restores the signal mask before doing
-	 * the longjmp.  This means that when jumping from one stack to another
-	 * when the target stack has interrupts enabled, an interrupt may occur
-	 * on the source stack.  This is bad when starting up a process because
-	 * it's not supposed to get timer ticks until it has been scheduled.
-	 * So, we disable interrupts around the sigsetjmp to ensure that
-	 * they can't happen until we get back here where they are safe.
-	 */
-	flags = get_signals();
-	block_signals();
-	if(UML_SETJMP(&fork_buf) == 0)
-		new_thread_proc(stack, handler);
-
-	remove_sigstack();
-
-	set_signals(flags);
+	(*buf)[0].JB_IP = (unsigned long) handler;
+	(*buf)[0].JB_SP = (unsigned long) stack +
+		(PAGE_SIZE << UML_CONFIG_KERNEL_STACK_ORDER) - sizeof(void *);
 }
 
 #define INIT_JMP_NEW_THREAD 0
-#define INIT_JMP_REMOVE_SIGSTACK 1
-#define INIT_JMP_CALLBACK 2
-#define INIT_JMP_HALT 3
-#define INIT_JMP_REBOOT 4
+#define INIT_JMP_CALLBACK 1
+#define INIT_JMP_HALT 2
+#define INIT_JMP_REBOOT 3
 
-void thread_wait(void *sw, void *fb)
+void switch_threads(jmp_buf *me, jmp_buf *you)
 {
-	jmp_buf buf, **switch_buf = sw, *fork_buf;
-
-	*switch_buf = &buf;
-	fork_buf = fb;
-	if(UML_SETJMP(&buf) == 0)
-		siglongjmp(*fork_buf, INIT_JMP_REMOVE_SIGSTACK);
-}
-
-void switch_threads(void *me, void *next)
-{
-	jmp_buf my_buf, **me_ptr = me, *next_buf = next;
-
-	*me_ptr = &my_buf;
-	if(UML_SETJMP(&my_buf) == 0)
-		UML_LONGJMP(next_buf, 1);
+	if(UML_SETJMP(me) == 0)
+		UML_LONGJMP(you, 1);
 }
 
 static jmp_buf initial_jmpbuf;
@@ -489,23 +469,21 @@ static void (*cb_proc)(void *arg);
 static void *cb_arg;
 static jmp_buf *cb_back;
 
-int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
+int start_idle_thread(void *stack, jmp_buf *switch_buf)
 {
-	jmp_buf **switch_buf = switch_buf_ptr;
 	int n;
 
 	set_handler(SIGWINCH, (__sighandler_t) sig_handler,
 		    SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGALRM,
 		    SIGVTALRM, -1);
 
-	*fork_buf_ptr = &initial_jmpbuf;
 	n = UML_SETJMP(&initial_jmpbuf);
 	switch(n){
 	case INIT_JMP_NEW_THREAD:
-		new_thread_proc((void *) stack, new_thread_handler);
-		break;
-	case INIT_JMP_REMOVE_SIGSTACK:
-		remove_sigstack();
+		(*switch_buf)[0].JB_IP = (unsigned long) new_thread_handler;
+		(*switch_buf)[0].JB_SP = (unsigned long) stack +
+			(PAGE_SIZE << UML_CONFIG_KERNEL_STACK_ORDER) -
+			sizeof(void *);
 		break;
 	case INIT_JMP_CALLBACK:
 		(*cb_proc)(cb_arg);
@@ -520,7 +498,7 @@ int start_idle_thread(void *stack, void *switch_buf_ptr, void **fork_buf_ptr)
 	default:
 		panic("Bad sigsetjmp return in start_idle_thread - %d\n", n);
 	}
-	UML_LONGJMP(*switch_buf, 1);
+	UML_LONGJMP(switch_buf, 1);
 }
 
 void initial_thread_cb_skas(void (*proc)(void *), void *arg)
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index 503148504009..7fe92680c7dd 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -14,7 +14,6 @@
 #include <sched.h>
 #include <fcntl.h>
 #include <errno.h>
-#include <setjmp.h>
 #include <sys/time.h>
 #include <sys/wait.h>
 #include <sys/mman.h>
diff --git a/arch/um/os-Linux/sys-i386/Makefile b/arch/um/os-Linux/sys-i386/Makefile
index b3213613c41c..37806621b25d 100644
--- a/arch/um/os-Linux/sys-i386/Makefile
+++ b/arch/um/os-Linux/sys-i386/Makefile
@@ -3,7 +3,7 @@
 # Licensed under the GPL
 #
 
-obj-$(CONFIG_MODE_SKAS) = registers.o tls.o
+obj-$(CONFIG_MODE_SKAS) = registers.o signal.o tls.o
 
 USER_OBJS := $(obj-y)
 
diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c
index 516f66dd87e3..7cd0369e02b3 100644
--- a/arch/um/os-Linux/sys-i386/registers.c
+++ b/arch/um/os-Linux/sys-i386/registers.c
@@ -5,12 +5,12 @@
 
 #include <errno.h>
 #include <string.h>
-#include <setjmp.h>
 #include "sysdep/ptrace_user.h"
 #include "sysdep/ptrace.h"
 #include "uml-config.h"
 #include "skas_ptregs.h"
 #include "registers.h"
+#include "longjmp.h"
 #include "user.h"
 
 /* These are set once at boot time and not changed thereafter */
@@ -130,11 +130,14 @@ void get_safe_registers(unsigned long *regs, unsigned long *fp_regs)
 		       HOST_FP_SIZE * sizeof(unsigned long));
 }
 
-void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer)
+unsigned long get_thread_reg(int reg, jmp_buf *buf)
 {
-	struct __jmp_buf_tag *jmpbuf = buffer;
-
-	UPT_SET(uml_regs, EIP, jmpbuf->__jmpbuf[JB_PC]);
-	UPT_SET(uml_regs, UESP, jmpbuf->__jmpbuf[JB_SP]);
-	UPT_SET(uml_regs, EBP, jmpbuf->__jmpbuf[JB_BP]);
+	switch(reg){
+	case EIP: return buf[0]->__eip;
+	case UESP: return buf[0]->__esp;
+	case EBP: return buf[0]->__ebp;
+	default:
+		printk("get_thread_regs - unknown register %d\n", reg);
+		return 0;
+	}
 }
diff --git a/arch/um/os-Linux/sys-i386/signal.c b/arch/um/os-Linux/sys-i386/signal.c
new file mode 100644
index 000000000000..0d3eae518352
--- /dev/null
+++ b/arch/um/os-Linux/sys-i386/signal.c
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2006 Jeff Dike (jdike@addtoit.com)
+ * Licensed under the GPL
+ */
+
+#include <signal.h>
+
+extern void (*handlers[])(int sig, struct sigcontext *sc);
+
+void hard_handler(int sig)
+{
+	struct sigcontext *sc = (struct sigcontext *) (&sig + 1);
+
+	(*handlers[sig])(sig, sc);
+}
diff --git a/arch/um/os-Linux/sys-x86_64/Makefile b/arch/um/os-Linux/sys-x86_64/Makefile
index 340ef26f5944..f67842a7735b 100644
--- a/arch/um/os-Linux/sys-x86_64/Makefile
+++ b/arch/um/os-Linux/sys-x86_64/Makefile
@@ -3,7 +3,7 @@
 # Licensed under the GPL
 #
 
-obj-$(CONFIG_MODE_SKAS) = registers.o
+obj-$(CONFIG_MODE_SKAS) = registers.o signal.o
 
 USER_OBJS := $(obj-y)
 
diff --git a/arch/um/os-Linux/sys-x86_64/registers.c b/arch/um/os-Linux/sys-x86_64/registers.c
index becd898d9398..cb8e8a263280 100644
--- a/arch/um/os-Linux/sys-x86_64/registers.c
+++ b/arch/um/os-Linux/sys-x86_64/registers.c
@@ -5,11 +5,11 @@
 
 #include <errno.h>
 #include <string.h>
-#include <setjmp.h>
 #include "ptrace_user.h"
 #include "uml-config.h"
 #include "skas_ptregs.h"
 #include "registers.h"
+#include "longjmp.h"
 #include "user.h"
 
 /* These are set once at boot time and not changed thereafter */
@@ -78,11 +78,14 @@ void get_safe_registers(unsigned long *regs, unsigned long *fp_regs)
 		       HOST_FP_SIZE * sizeof(unsigned long));
 }
 
-void get_thread_regs(union uml_pt_regs *uml_regs, void *buffer)
+unsigned long get_thread_reg(int reg, jmp_buf *buf)
 {
-	struct __jmp_buf_tag *jmpbuf = buffer;
-
-	UPT_SET(uml_regs, RIP, jmpbuf->__jmpbuf[JB_PC]);
-	UPT_SET(uml_regs, RSP, jmpbuf->__jmpbuf[JB_RSP]);
-	UPT_SET(uml_regs, RBP, jmpbuf->__jmpbuf[JB_RBP]);
+	switch(reg){
+	case RIP: return buf[0]->__rip;
+	case RSP: return buf[0]->__rsp;
+	case RBP: return buf[0]->__rbp;
+	default:
+		printk("get_thread_regs - unknown register %d\n", reg);
+		return 0;
+	}
 }
diff --git a/arch/um/os-Linux/sys-x86_64/signal.c b/arch/um/os-Linux/sys-x86_64/signal.c
new file mode 100644
index 000000000000..3f369e5f976b
--- /dev/null
+++ b/arch/um/os-Linux/sys-x86_64/signal.c
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2006 Jeff Dike (jdike@addtoit.com)
+ * Licensed under the GPL
+ */
+
+#include <signal.h>
+
+extern void (*handlers[])(int sig, struct sigcontext *sc);
+
+void hard_handler(int sig)
+{
+	struct ucontext *uc;
+	asm("movq %%rdx, %0" : "=r" (uc));
+
+	(*handlers[sig])(sig, (struct sigcontext *) &uc->uc_mcontext);
+}
diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c
index 4ae73c0e5485..38be096e750f 100644
--- a/arch/um/os-Linux/time.c
+++ b/arch/um/os-Linux/time.c
@@ -17,20 +17,25 @@
 #include "kern_constants.h"
 #include "os.h"
 
-static void set_interval(int timer_type)
+int set_interval(int is_virtual)
 {
 	int usec = 1000000/hz();
+	int timer_type = is_virtual ? ITIMER_VIRTUAL : ITIMER_REAL;
 	struct itimerval interval = ((struct itimerval) { { 0, usec },
 							  { 0, usec } });
 
 	if(setitimer(timer_type, &interval, NULL) == -1)
-		panic("setitimer failed - errno = %d\n", errno);
+		return -errno;
+
+	return 0;
 }
 
+#ifdef CONFIG_MODE_TT
 void enable_timer(void)
 {
-	set_interval(ITIMER_VIRTUAL);
+	set_interval(1);
 }
+#endif
 
 void disable_timer(void)
 {
@@ -40,8 +45,8 @@ void disable_timer(void)
 		printk("disnable_timer - setitimer failed, errno = %d\n",
 		       errno);
 	/* If there are signals already queued, after unblocking ignore them */
-	set_handler(SIGALRM, SIG_IGN, 0, -1);
-	set_handler(SIGVTALRM, SIG_IGN, 0, -1);
+	signal(SIGALRM, SIG_IGN);
+	signal(SIGVTALRM, SIG_IGN);
 }
 
 void switch_timers(int to_real)
@@ -74,7 +79,7 @@ void uml_idle_timer(void)
 
 	set_handler(SIGALRM, (__sighandler_t) alarm_handler,
 		    SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGVTALRM, -1);
-	set_interval(ITIMER_REAL);
+	set_interval(0);
 }
 #endif
 
@@ -94,8 +99,3 @@ void idle_sleep(int secs)
 	ts.tv_nsec = 0;
 	nanosleep(&ts, NULL);
 }
-
-void user_time_init(void)
-{
-	set_interval(ITIMER_VIRTUAL);
-}
diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c
index 90b29ae9af46..1df231a26244 100644
--- a/arch/um/os-Linux/trap.c
+++ b/arch/um/os-Linux/trap.c
@@ -5,7 +5,6 @@
 
 #include <stdlib.h>
 #include <signal.h>
-#include <setjmp.h>
 #include "kern_util.h"
 #include "user_util.h"
 #include "os.h"
diff --git a/arch/um/os-Linux/uaccess.c b/arch/um/os-Linux/uaccess.c
index 865f6a6a2590..bbb73a650370 100644
--- a/arch/um/os-Linux/uaccess.c
+++ b/arch/um/os-Linux/uaccess.c
@@ -4,8 +4,7 @@
  * Licensed under the GPL
  */
 
-#include <setjmp.h>
-#include <string.h>
+#include <stddef.h>
 #include "longjmp.h"
 
 unsigned long __do_user_copy(void *to, const void *from, int n,
diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index c47a2a7ce70e..3f5b1514e8a7 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -7,7 +7,6 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <limits.h>
-#include <setjmp.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/utsname.h>
@@ -107,11 +106,11 @@ int setjmp_wrapper(void (*proc)(void *, void *), ...)
 	jmp_buf buf;
 	int n;
 
-	n = sigsetjmp(buf, 1);
+	n = UML_SETJMP(&buf);
 	if(n == 0){
 		va_start(args, proc);
 		(*proc)(&buf, &args);
 	}
 	va_end(args);
-	return(n);
+	return n;
 }
diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile
index 374d61a19439..0e32adf03be1 100644
--- a/arch/um/sys-i386/Makefile
+++ b/arch/um/sys-i386/Makefile
@@ -1,10 +1,10 @@
 obj-y = bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
-	ptrace_user.o signal.o sigcontext.o syscalls.o sysrq.o \
+	ptrace_user.o setjmp.o signal.o sigcontext.o syscalls.o sysrq.o \
 	sys_call_table.o tls.o
 
 obj-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o
 
-subarch-obj-y = lib/bitops.o kernel/semaphore.o
+subarch-obj-y = lib/bitops.o lib/semaphore.o
 subarch-obj-$(CONFIG_HIGHMEM) += mm/highmem.o
 subarch-obj-$(CONFIG_MODULES) += kernel/module.o
 
diff --git a/arch/um/sys-i386/bugs.c b/arch/um/sys-i386/bugs.c
index 41b0ab2fe830..f1bcd399ac90 100644
--- a/arch/um/sys-i386/bugs.c
+++ b/arch/um/sys-i386/bugs.c
@@ -13,6 +13,7 @@
 #include "sysdep/ptrace.h"
 #include "task.h"
 #include "os.h"
+#include "user_util.h"
 
 #define MAXTOKEN 64
 
@@ -104,17 +105,17 @@ int cpu_feature(char *what, char *buf, int len)
 static int check_cpu_flag(char *feature, int *have_it)
 {
 	char buf[MAXTOKEN], c;
-	int fd, len = sizeof(buf)/sizeof(buf[0]);
+	int fd, len = ARRAY_SIZE(buf);
 
 	printk("Checking for host processor %s support...", feature);
 	fd = os_open_file("/proc/cpuinfo", of_read(OPENFLAGS()), 0);
 	if(fd < 0){
 		printk("Couldn't open /proc/cpuinfo, err = %d\n", -fd);
-		return(0);
+		return 0;
 	}
 
 	*have_it = 0;
-	if(!find_cpuinfo_line(fd, "flags", buf, sizeof(buf) / sizeof(buf[0])))
+	if(!find_cpuinfo_line(fd, "flags", buf, ARRAY_SIZE(buf)))
 		goto out;
 
 	c = token(fd, buf, len - 1, ' ');
@@ -138,7 +139,7 @@ static int check_cpu_flag(char *feature, int *have_it)
 	if(*have_it == 0) printk("No\n");
 	else if(*have_it == 1) printk("Yes\n");
 	os_close_file(fd);
-	return(1);
+	return 1;
 }
 
 #if 0 /* This doesn't work in tt mode, plus it's causing compilation problems
diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c
index fe0877b3509c..69971b78beaf 100644
--- a/arch/um/sys-i386/ldt.c
+++ b/arch/um/sys-i386/ldt.c
@@ -424,9 +424,8 @@ void ldt_get_host_info(void)
 			size++;
 	}
 
-	if(size < sizeof(dummy_list)/sizeof(dummy_list[0])) {
+	if(size < ARRAY_SIZE(dummy_list))
 		host_ldt_entries = dummy_list;
-	}
 	else {
 		size = (size + 1) * sizeof(dummy_list[0]);
 		host_ldt_entries = (short *)kmalloc(size, GFP_KERNEL);
diff --git a/arch/um/sys-i386/ptrace_user.c b/arch/um/sys-i386/ptrace_user.c
index 40aa88531446..5f3cc6685820 100644
--- a/arch/um/sys-i386/ptrace_user.c
+++ b/arch/um/sys-i386/ptrace_user.c
@@ -15,6 +15,7 @@
 #include "user.h"
 #include "os.h"
 #include "uml-config.h"
+#include "user_util.h"
 
 int ptrace_getregs(long pid, unsigned long *regs_out)
 {
@@ -51,7 +52,7 @@ static void write_debugregs(int pid, unsigned long *regs)
 	int nregs, i;
 
 	dummy = NULL;
-	nregs = sizeof(dummy->u_debugreg)/sizeof(dummy->u_debugreg[0]);
+	nregs = ARRAY_SIZE(dummy->u_debugreg);
 	for(i = 0; i < nregs; i++){
 		if((i == 4) || (i == 5)) continue;
 		if(ptrace(PTRACE_POKEUSR, pid, &dummy->u_debugreg[i],
@@ -68,7 +69,7 @@ static void read_debugregs(int pid, unsigned long *regs)
 	int nregs, i;
 
 	dummy = NULL;
-	nregs = sizeof(dummy->u_debugreg)/sizeof(dummy->u_debugreg[0]);
+	nregs = ARRAY_SIZE(dummy->u_debugreg);
 	for(i = 0; i < nregs; i++){
 		regs[i] = ptrace(PTRACE_PEEKUSR, pid,
 				 &dummy->u_debugreg[i], 0);
diff --git a/arch/um/sys-i386/setjmp.S b/arch/um/sys-i386/setjmp.S
new file mode 100644
index 000000000000..b766792c9933
--- /dev/null
+++ b/arch/um/sys-i386/setjmp.S
@@ -0,0 +1,58 @@
+#
+# arch/i386/setjmp.S
+#
+# setjmp/longjmp for the i386 architecture
+#
+
+#
+# The jmp_buf is assumed to contain the following, in order:
+#	%ebx
+#	%esp
+#	%ebp
+#	%esi
+#	%edi
+#	<return address>
+#
+
+	.text
+	.align 4
+	.globl setjmp
+	.type setjmp, @function
+setjmp:
+#ifdef _REGPARM
+	movl %eax,%edx
+#else
+	movl 4(%esp),%edx
+#endif
+	popl %ecx			# Return address, and adjust the stack
+	xorl %eax,%eax			# Return value
+	movl %ebx,(%edx)
+	movl %esp,4(%edx)		# Post-return %esp!
+	pushl %ecx			# Make the call/return stack happy
+	movl %ebp,8(%edx)
+	movl %esi,12(%edx)
+	movl %edi,16(%edx)
+	movl %ecx,20(%edx)		# Return address
+	ret
+
+	.size setjmp,.-setjmp
+
+	.text
+	.align 4
+	.globl longjmp
+	.type longjmp, @function
+longjmp:
+#ifdef _REGPARM
+	xchgl %eax,%edx
+#else
+	movl 4(%esp),%edx		# jmp_ptr address
+	movl 8(%esp),%eax		# Return value
+#endif
+	movl (%edx),%ebx
+	movl 4(%edx),%esp
+	movl 8(%edx),%ebp
+	movl 12(%edx),%esi
+	movl 16(%edx),%edi
+	jmp *20(%edx)
+
+	.size longjmp,.-longjmp
diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile
index c19794d435d6..f41768b8e25e 100644
--- a/arch/um/sys-x86_64/Makefile
+++ b/arch/um/sys-x86_64/Makefile
@@ -5,8 +5,8 @@
 #
 
 obj-y = bugs.o delay.o fault.o ldt.o mem.o ptrace.o ptrace_user.o \
-	sigcontext.o signal.o syscalls.o syscall_table.o sysrq.o ksyms.o \
-	tls.o
+	setjmp.o sigcontext.o signal.o syscalls.o syscall_table.o sysrq.o \
+	ksyms.o tls.o
 
 obj-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o
 obj-$(CONFIG_MODULES) += um_module.o
diff --git a/arch/um/sys-x86_64/setjmp.S b/arch/um/sys-x86_64/setjmp.S
new file mode 100644
index 000000000000..45f547b4043e
--- /dev/null
+++ b/arch/um/sys-x86_64/setjmp.S
@@ -0,0 +1,54 @@
+#
+# arch/x86_64/setjmp.S
+#
+# setjmp/longjmp for the x86-64 architecture
+#
+
+#
+# The jmp_buf is assumed to contain the following, in order:
+#	%rbx
+#	%rsp (post-return)
+#	%rbp
+#	%r12
+#	%r13
+#	%r14
+#	%r15
+#	<return address>
+#
+
+	.text
+	.align 4
+	.globl setjmp
+	.type setjmp, @function
+setjmp:
+	pop  %rsi			# Return address, and adjust the stack
+	xorl %eax,%eax			# Return value
+	movq %rbx,(%rdi)
+	movq %rsp,8(%rdi)		# Post-return %rsp!
+	push %rsi			# Make the call/return stack happy
+	movq %rbp,16(%rdi)
+	movq %r12,24(%rdi)
+	movq %r13,32(%rdi)
+	movq %r14,40(%rdi)
+	movq %r15,48(%rdi)
+	movq %rsi,56(%rdi)		# Return address
+	ret
+
+	.size setjmp,.-setjmp
+
+	.text
+	.align 4
+	.globl longjmp
+	.type longjmp, @function
+longjmp:
+	movl %esi,%eax			# Return value (int)
+	movq (%rdi),%rbx
+	movq 8(%rdi),%rsp
+	movq 16(%rdi),%rbp
+	movq 24(%rdi),%r12
+	movq 32(%rdi),%r13
+	movq 40(%rdi),%r14
+	movq 48(%rdi),%r15
+	jmp *56(%rdi)
+
+	.size longjmp,.-longjmp
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 6cd4878625f1..32ae1378f35c 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -24,6 +24,10 @@ config X86
 	bool
 	default y
 
+config ZONE_DMA32
+	bool
+	default y
+
 config LOCKDEP_SUPPORT
 	bool
 	default y
@@ -81,6 +85,9 @@ config ARCH_MAY_HAVE_PC_FDC
 	bool
 	default y
 
+config ARCH_POPULATES_NODE_MAP
+	def_bool y
+
 config DMI
 	bool
 	default y
@@ -105,6 +112,7 @@ config X86_PC
 
 config X86_VSMP
 	bool "Support for ScaleMP vSMP"
+	depends on PCI
 	 help
 	  Support for ScaleMP vSMP systems.  Say 'Y' here if this kernel is
 	  supposed to run on these EM64T-based machines.  Only choose this option
@@ -163,6 +171,7 @@ config X86_GOOD_APIC
 
 config MICROCODE
 	tristate "/dev/cpu/microcode - Intel CPU microcode support"
+	select FW_LOADER
 	---help---
 	  If you say Y here the 'File systems' section, you will be
 	  able to update the microcode on Intel processors. You will
@@ -178,6 +187,11 @@ config MICROCODE
 	  If you use modprobe or kmod you may also want to add the line
 	  'alias char-major-10-184 microcode' to your /etc/modules.conf file.
 
+config MICROCODE_OLD_INTERFACE
+	bool
+	depends on MICROCODE
+	default y
+
 config X86_MSR
 	tristate "/dev/cpu/*/msr - Model-specific register support"
 	help
@@ -291,7 +305,7 @@ config NUMA
 
 config K8_NUMA
        bool "Old style AMD Opteron NUMA detection"
-       depends on NUMA
+       depends on NUMA && PCI
        default y
        help
 	 Enable K8 NUMA node topology detection.  You should say Y here if
@@ -421,7 +435,6 @@ config IOMMU
 
 config CALGARY_IOMMU
 	bool "IBM Calgary IOMMU support"
-	default y
 	select SWIOTLB
 	depends on PCI && EXPERIMENTAL
 	help
@@ -468,8 +481,7 @@ config X86_MCE_AMD
 	   the DRAM Error Threshold.
 
 config KEXEC
-	bool "kexec system call (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+	bool "kexec system call"
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot
@@ -488,7 +500,14 @@ config CRASH_DUMP
 	bool "kernel crash dumps (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
 	help
-		Generate crash dump after being started by kexec.
+          Generate crash dump after being started by kexec.
+          This should be normally only set in special crash dump kernels
+          which are loaded in the main kernel with kexec-tools into
+          a specially reserved region and then later executed after
+          a crash by kdump/kexec. The crash dump kernel must be compiled
+	  to a memory address not used by the main kernel or BIOS using
+	  PHYSICAL_START.
+          For more details see Documentation/kdump/kdump.txt
 
 config PHYSICAL_START
 	hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)
@@ -526,6 +545,30 @@ config SECCOMP
 
 	  If unsure, say Y. Only embedded should say N here.
 
+config CC_STACKPROTECTOR
+	bool "Enable -fstack-protector buffer overflow detection (EXPRIMENTAL)"
+	depends on EXPERIMENTAL
+	help
+         This option turns on the -fstack-protector GCC feature. This
+	  feature puts, at the beginning of critical functions, a canary
+	  value on the stack just before the return address, and validates
+	  the value just before actually returning.  Stack based buffer
+	  overflows (that need to overwrite this return address) now also
+	  overwrite the canary, which gets detected and the attack is then
+	  neutralized via a kernel panic.
+
+	  This feature requires gcc version 4.2 or above, or a distribution
+	  gcc with the feature backported. Older versions are automatically
+	  detected and for those versions, this configuration option is ignored.
+
+config CC_STACKPROTECTOR_ALL
+	bool "Use stack-protector for all functions"
+	depends on CC_STACKPROTECTOR
+	help
+	  Normally, GCC only inserts the canary value protection for
+	  functions that use large-ish on-stack buffers. By enabling
+	  this option, GCC will be asked to do this for ALL functions.
+
 source kernel/Kconfig.hz
 
 config REORDER
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 431bb4bc36cd..1c0f18d4f887 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -54,6 +54,16 @@ endif
 cflags-y += $(call cc-option,-funit-at-a-time)
 # prevent gcc from generating any FP code by mistake
 cflags-y += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
+# do binutils support CFI?
+cflags-y += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_endproc,-DCONFIG_AS_CFI=1,)
+
+# is .cfi_signal_frame supported too?
+cflags-y += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
+AFLAGS += $(call as-instr,.cfi_startproc\n.cfi_signal_frame\n.cfi_endproc,-DCONFIG_AS_CFI_SIGNAL_FRAME=1,)
+
+cflags-$(CONFIG_CC_STACKPROTECTOR) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh $(CC) -fstack-protector )
+cflags-$(CONFIG_CC_STACKPROTECTOR_ALL) += $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-x86_64-has-stack-protector.sh $(CC) -fstack-protector-all )
 
 CFLAGS += $(cflags-y)
 CFLAGS_KERNEL += $(cflags-kernel-y)
diff --git a/arch/x86_64/boot/compressed/Makefile b/arch/x86_64/boot/compressed/Makefile
index f89d96f11a9f..e70fa6e1da08 100644
--- a/arch/x86_64/boot/compressed/Makefile
+++ b/arch/x86_64/boot/compressed/Makefile
@@ -7,7 +7,8 @@
 #
 
 targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
-EXTRA_AFLAGS	:= -traditional -m32
+EXTRA_AFLAGS	:= -traditional
+AFLAGS		:= $(subst -m64,-m32,$(AFLAGS))
 
 # cannot use EXTRA_CFLAGS because base CFLAGS contains -mkernel which conflicts with
 # -m32
diff --git a/arch/x86_64/boot/setup.S b/arch/x86_64/boot/setup.S
index a50b631f4d2b..c3bfd223ab49 100644
--- a/arch/x86_64/boot/setup.S
+++ b/arch/x86_64/boot/setup.S
@@ -526,12 +526,12 @@ is_disk1:
 	movw	%cs, %ax			# aka SETUPSEG
 	subw	$DELTA_INITSEG, %ax		# aka INITSEG
 	movw	%ax, %ds
-	movw	$0, (0x1ff)			# default is no pointing device
+	movb	$0, (0x1ff)			# default is no pointing device
 	int	$0x11				# int 0x11: equipment list
 	testb	$0x04, %al			# check if mouse installed
 	jz	no_psmouse
 
-	movw	$0xAA, (0x1ff)			# device present
+	movb	$0xAA, (0x1ff)			# device present
 no_psmouse:
 
 #include "../../i386/boot/edd.S"
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index 5fb970715941..647610ecb580 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-rc4
-# Thu Aug 24 21:05:55 2006
+# Linux kernel version: 2.6.18-git5
+# Tue Sep 26 09:30:47 2006
 #
 CONFIG_X86_64=y
 CONFIG_64BIT=y
@@ -19,6 +19,7 @@ CONFIG_GENERIC_ISA_DMA=y
 CONFIG_GENERIC_IOMAP=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
 CONFIG_DMI=y
+CONFIG_AUDIT_ARCH=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -38,16 +39,16 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
-CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
 # CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
-CONFIG_UID16=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -56,12 +57,12 @@ CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
-CONFIG_RT_MUTEXES=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
 CONFIG_SLAB=y
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 # CONFIG_SLOB is not set
@@ -160,6 +161,7 @@ CONFIG_X86_MCE_AMD=y
 # CONFIG_CRASH_DUMP is not set
 CONFIG_PHYSICAL_START=0x200000
 CONFIG_SECCOMP=y
+# CONFIG_CC_STACKPROTECTOR is not set
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
 # CONFIG_HZ_1000 is not set
@@ -307,18 +309,23 @@ CONFIG_IP_PNP_DHCP=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
 CONFIG_IPV6=y
 # CONFIG_IPV6_PRIVACY is not set
 # CONFIG_IPV6_ROUTER_PREF is not set
 # CONFIG_INET6_AH is not set
 # CONFIG_INET6_ESP is not set
 # CONFIG_INET6_IPCOMP is not set
+# CONFIG_IPV6_MIP6 is not set
 # CONFIG_INET6_XFRM_TUNNEL is not set
 # CONFIG_INET6_TUNNEL is not set
 # CONFIG_INET6_XFRM_MODE_TRANSPORT is not set
 # CONFIG_INET6_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
 # CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_SUBTREES is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
 # CONFIG_NETWORK_SECMARK is not set
 # CONFIG_NETFILTER is not set
 
@@ -345,7 +352,6 @@ CONFIG_IPV6=y
 # CONFIG_ATALK is not set
 # CONFIG_X25 is not set
 # CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
 
@@ -487,6 +493,7 @@ CONFIG_IDEDMA_AUTO=y
 #
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
+CONFIG_SCSI_NETLINK=y
 # CONFIG_SCSI_PROC_FS is not set
 
 #
@@ -508,12 +515,13 @@ CONFIG_SCSI_CONSTANTS=y
 # CONFIG_SCSI_LOGGING is not set
 
 #
-# SCSI Transport Attributes
+# SCSI Transports
 #
 CONFIG_SCSI_SPI_ATTRS=y
 CONFIG_SCSI_FC_ATTRS=y
 # CONFIG_SCSI_ISCSI_ATTRS is not set
 CONFIG_SCSI_SAS_ATTRS=y
+# CONFIG_SCSI_SAS_LIBSAS is not set
 
 #
 # SCSI low-level drivers
@@ -532,29 +540,14 @@ CONFIG_AIC79XX_RESET_DELAY_MS=4000
 # CONFIG_AIC79XX_DEBUG_ENABLE is not set
 CONFIG_AIC79XX_DEBUG_MASK=0
 # CONFIG_AIC79XX_REG_PRETTY_PRINT is not set
+# CONFIG_SCSI_AIC94XX is not set
+# CONFIG_SCSI_ARCMSR is not set
 CONFIG_MEGARAID_NEWGEN=y
 CONFIG_MEGARAID_MM=y
 CONFIG_MEGARAID_MAILBOX=y
 # CONFIG_MEGARAID_LEGACY is not set
 CONFIG_MEGARAID_SAS=y
-CONFIG_SCSI_SATA=y
-CONFIG_SCSI_SATA_AHCI=y
-CONFIG_SCSI_SATA_SVW=y
-CONFIG_SCSI_ATA_PIIX=y
-# CONFIG_SCSI_SATA_MV is not set
-CONFIG_SCSI_SATA_NV=y
-# CONFIG_SCSI_PDC_ADMA is not set
 # CONFIG_SCSI_HPTIOP is not set
-# CONFIG_SCSI_SATA_QSTOR is not set
-# CONFIG_SCSI_SATA_PROMISE is not set
-# CONFIG_SCSI_SATA_SX4 is not set
-CONFIG_SCSI_SATA_SIL=y
-# CONFIG_SCSI_SATA_SIL24 is not set
-# CONFIG_SCSI_SATA_SIS is not set
-# CONFIG_SCSI_SATA_ULI is not set
-CONFIG_SCSI_SATA_VIA=y
-# CONFIG_SCSI_SATA_VITESSE is not set
-CONFIG_SCSI_SATA_INTEL_COMBINED=y
 # CONFIG_SCSI_BUSLOGIC is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_EATA is not set
@@ -563,6 +556,7 @@ CONFIG_SCSI_SATA_INTEL_COMBINED=y
 # CONFIG_SCSI_IPS is not set
 # CONFIG_SCSI_INITIO is not set
 # CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_STEX is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_IPR is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
@@ -573,6 +567,62 @@ CONFIG_SCSI_SATA_INTEL_COMBINED=y
 # CONFIG_SCSI_DEBUG is not set
 
 #
+# Serial ATA (prod) and Parallel ATA (experimental) drivers
+#
+CONFIG_ATA=y
+CONFIG_SATA_AHCI=y
+CONFIG_SATA_SVW=y
+CONFIG_ATA_PIIX=y
+# CONFIG_SATA_MV is not set
+CONFIG_SATA_NV=y
+# CONFIG_PDC_ADMA is not set
+# CONFIG_SATA_QSTOR is not set
+# CONFIG_SATA_PROMISE is not set
+# CONFIG_SATA_SX4 is not set
+CONFIG_SATA_SIL=y
+# CONFIG_SATA_SIL24 is not set
+# CONFIG_SATA_SIS is not set
+# CONFIG_SATA_ULI is not set
+CONFIG_SATA_VIA=y
+# CONFIG_SATA_VITESSE is not set
+CONFIG_SATA_INTEL_COMBINED=y
+# CONFIG_PATA_ALI is not set
+# CONFIG_PATA_AMD is not set
+# CONFIG_PATA_ARTOP is not set
+# CONFIG_PATA_ATIIXP is not set
+# CONFIG_PATA_CMD64X is not set
+# CONFIG_PATA_CS5520 is not set
+# CONFIG_PATA_CS5530 is not set
+# CONFIG_PATA_CYPRESS is not set
+# CONFIG_PATA_EFAR is not set
+# CONFIG_ATA_GENERIC is not set
+# CONFIG_PATA_HPT366 is not set
+# CONFIG_PATA_HPT37X is not set
+# CONFIG_PATA_HPT3X2N is not set
+# CONFIG_PATA_HPT3X3 is not set
+# CONFIG_PATA_IT821X is not set
+# CONFIG_PATA_JMICRON is not set
+# CONFIG_PATA_LEGACY is not set
+# CONFIG_PATA_TRIFLEX is not set
+# CONFIG_PATA_MPIIX is not set
+# CONFIG_PATA_OLDPIIX is not set
+# CONFIG_PATA_NETCELL is not set
+# CONFIG_PATA_NS87410 is not set
+# CONFIG_PATA_OPTI is not set
+# CONFIG_PATA_OPTIDMA is not set
+# CONFIG_PATA_PDC_OLD is not set
+# CONFIG_PATA_QDI is not set
+# CONFIG_PATA_RADISYS is not set
+# CONFIG_PATA_RZ1000 is not set
+# CONFIG_PATA_SC1200 is not set
+# CONFIG_PATA_SERVERWORKS is not set
+# CONFIG_PATA_PDC2027X is not set
+# CONFIG_PATA_SIL680 is not set
+# CONFIG_PATA_SIS is not set
+# CONFIG_PATA_VIA is not set
+# CONFIG_PATA_WINBOND is not set
+
+#
 # Multi-device support (RAID and LVM)
 #
 CONFIG_MD=y
@@ -678,6 +728,7 @@ CONFIG_NET_PCI=y
 # CONFIG_ADAPTEC_STARFIRE is not set
 CONFIG_B44=y
 CONFIG_FORCEDETH=y
+# CONFIG_FORCEDETH_NAPI is not set
 # CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
 CONFIG_E100=y
@@ -714,6 +765,7 @@ CONFIG_E1000=y
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=y
 CONFIG_BNX2=y
+# CONFIG_QLA3XXX is not set
 
 #
 # Ethernet (10000 Mbit)
@@ -1036,6 +1088,7 @@ CONFIG_SOUND=y
 # Open Sound System
 #
 CONFIG_SOUND_PRIME=y
+CONFIG_OSS_OBSOLETE_DRIVER=y
 # CONFIG_SOUND_BT878 is not set
 # CONFIG_SOUND_EMU10K1 is not set
 # CONFIG_SOUND_FUSION is not set
@@ -1046,7 +1099,6 @@ CONFIG_SOUND_ICH=y
 # CONFIG_SOUND_MSNDPIN is not set
 # CONFIG_SOUND_VIA82CXXX is not set
 # CONFIG_SOUND_OSS is not set
-# CONFIG_SOUND_TVMIXER is not set
 
 #
 # USB support
@@ -1203,7 +1255,6 @@ CONFIG_USB_MON=y
 # InfiniBand support
 #
 # CONFIG_INFINIBAND is not set
-# CONFIG_IPATH_CORE is not set
 
 #
 # EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
@@ -1449,10 +1500,6 @@ CONFIG_DEBUG_STACKOVERFLOW=y
 # CONFIG_CRYPTO is not set
 
 #
-# Hardware crypto devices
-#
-
-#
 # Library routines
 #
 # CONFIG_CRC_CCITT is not set
diff --git a/arch/x86_64/ia32/ia32_aout.c b/arch/x86_64/ia32/ia32_aout.c
index 3bf58af98936..396d3c100011 100644
--- a/arch/x86_64/ia32/ia32_aout.c
+++ b/arch/x86_64/ia32/ia32_aout.c
@@ -333,7 +333,8 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
 			return error;
 		}
 
-		error = bprm->file->f_op->read(bprm->file, (char *)text_addr,
+		error = bprm->file->f_op->read(bprm->file,
+			 (char __user *)text_addr,
 			  ex.a_text+ex.a_data, &pos);
 		if ((signed long)error < 0) {
 			send_sig(SIGKILL, current, 0);
@@ -366,7 +367,8 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
 			down_write(&current->mm->mmap_sem);
 			do_brk(N_TXTADDR(ex), ex.a_text+ex.a_data);
 			up_write(&current->mm->mmap_sem);
-			bprm->file->f_op->read(bprm->file,(char *)N_TXTADDR(ex),
+			bprm->file->f_op->read(bprm->file,
+					(char __user *)N_TXTADDR(ex),
 					ex.a_text+ex.a_data, &pos);
 			flush_icache_range((unsigned long) N_TXTADDR(ex),
 					   (unsigned long) N_TXTADDR(ex) +
@@ -477,7 +479,7 @@ static int load_aout_library(struct file *file)
 		do_brk(start_addr, ex.a_text + ex.a_data + ex.a_bss);
 		up_write(&current->mm->mmap_sem);
 		
-		file->f_op->read(file, (char *)start_addr,
+		file->f_op->read(file, (char __user *)start_addr,
 			ex.a_text + ex.a_data, &pos);
 		flush_icache_range((unsigned long) start_addr,
 				   (unsigned long) start_addr + ex.a_text + ex.a_data);
diff --git a/arch/x86_64/ia32/ia32_signal.c b/arch/x86_64/ia32/ia32_signal.c
index 25e5ca22204c..a6ba9951e86c 100644
--- a/arch/x86_64/ia32/ia32_signal.c
+++ b/arch/x86_64/ia32/ia32_signal.c
@@ -113,25 +113,19 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
 }
 
 asmlinkage long
-sys32_sigsuspend(int history0, int history1, old_sigset_t mask,
-		 struct pt_regs *regs)
+sys32_sigsuspend(int history0, int history1, old_sigset_t mask)
 {
-	sigset_t saveset;
-
 	mask &= _BLOCKABLE;
 	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
+	current->saved_sigmask = current->blocked;
 	siginitset(&current->blocked, mask);
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
 
-	regs->rax = -EINTR;
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		if (do_signal(regs, &saveset))
-			return -EINTR;
-	}
+	current->state = TASK_INTERRUPTIBLE;
+	schedule();
+	set_thread_flag(TIF_RESTORE_SIGMASK);
+	return -ERESTARTNOHAND;
 }
 
 asmlinkage long
@@ -437,15 +431,7 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
 	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
 		goto give_sigsegv;
 
-	{
-		struct exec_domain *ed = current_thread_info()->exec_domain;
-		err |= __put_user((ed
-		           && ed->signal_invmap
-		           && sig < 32
-		           ? ed->signal_invmap[sig]
-		           : sig),
-		          &frame->sig);
-	}
+	err |= __put_user(sig, &frame->sig);
 	if (err)
 		goto give_sigsegv;
 
@@ -492,6 +478,11 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
 	regs->rsp = (unsigned long) frame;
 	regs->rip = (unsigned long) ka->sa.sa_handler;
 
+	/* Make -mregparm=3 work */
+	regs->rax = sig;
+	regs->rdx = 0;
+	regs->rcx = 0;
+
 	asm volatile("movl %0,%%ds" :: "r" (__USER32_DS)); 
 	asm volatile("movl %0,%%es" :: "r" (__USER32_DS)); 
 
@@ -499,20 +490,20 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
 	regs->ss = __USER32_DS; 
 
 	set_fs(USER_DS);
-    regs->eflags &= ~TF_MASK;
-    if (test_thread_flag(TIF_SINGLESTEP))
-        ptrace_notify(SIGTRAP);
+	regs->eflags &= ~TF_MASK;
+	if (test_thread_flag(TIF_SINGLESTEP))
+		ptrace_notify(SIGTRAP);
 
 #if DEBUG_SIG
 	printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
 		current->comm, current->pid, frame, regs->rip, frame->pretcode);
 #endif
 
-	return 1;
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
-	return 0;
+	return -EFAULT;
 }
 
 int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
@@ -595,18 +586,18 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	regs->ss = __USER32_DS; 
 
 	set_fs(USER_DS);
-    regs->eflags &= ~TF_MASK;
-    if (test_thread_flag(TIF_SINGLESTEP))
-        ptrace_notify(SIGTRAP);
+	regs->eflags &= ~TF_MASK;
+	if (test_thread_flag(TIF_SINGLESTEP))
+		ptrace_notify(SIGTRAP);
 
 #if DEBUG_SIG
 	printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
 		current->comm, current->pid, frame, regs->rip, frame->pretcode);
 #endif
 
-	return 1;
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
-	return 0;
+	return -EFAULT;
 }
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S
index 5d4a7d125ed0..b4aa875e175b 100644
--- a/arch/x86_64/ia32/ia32entry.S
+++ b/arch/x86_64/ia32/ia32entry.S
@@ -71,6 +71,7 @@
  */ 	
 ENTRY(ia32_sysenter_target)
 	CFI_STARTPROC32	simple
+	CFI_SIGNAL_FRAME
 	CFI_DEF_CFA	rsp,0
 	CFI_REGISTER	rsp,rbp
 	swapgs
@@ -186,6 +187,7 @@ ENDPROC(ia32_sysenter_target)
  */ 	
 ENTRY(ia32_cstar_target)
 	CFI_STARTPROC32	simple
+	CFI_SIGNAL_FRAME
 	CFI_DEF_CFA	rsp,PDA_STACKOFFSET
 	CFI_REGISTER	rip,rcx
 	/*CFI_REGISTER	rflags,r11*/
@@ -293,6 +295,7 @@ ia32_badarg:
 
 ENTRY(ia32_syscall)
 	CFI_STARTPROC	simple
+	CFI_SIGNAL_FRAME
 	CFI_DEF_CFA	rsp,SS+8-RIP
 	/*CFI_REL_OFFSET	ss,SS-RIP*/
 	CFI_REL_OFFSET	rsp,RSP-RIP
@@ -370,6 +373,7 @@ ENTRY(ia32_ptregs_common)
 	popq %r11
 	CFI_ENDPROC
 	CFI_STARTPROC32	simple
+	CFI_SIGNAL_FRAME
 	CFI_DEF_CFA	rsp,SS+8-ARGOFFSET
 	CFI_REL_OFFSET	rax,RAX-ARGOFFSET
 	CFI_REL_OFFSET	rcx,RCX-ARGOFFSET
@@ -703,8 +707,8 @@ ia32_sys_call_table:
 	.quad sys_readlinkat		/* 305 */
 	.quad sys_fchmodat
 	.quad sys_faccessat
-	.quad quiet_ni_syscall		/* pselect6 for now */
-	.quad quiet_ni_syscall		/* ppoll for now */
+	.quad compat_sys_pselect6
+	.quad compat_sys_ppoll
 	.quad sys_unshare		/* 310 */
 	.quad compat_sys_set_robust_list
 	.quad compat_sys_get_robust_list
@@ -713,4 +717,5 @@ ia32_sys_call_table:
 	.quad sys_tee
 	.quad compat_sys_vmsplice
 	.quad compat_sys_move_pages
+	.quad sys_getcpu
 ia32_syscall_end:		
diff --git a/arch/x86_64/ia32/ptrace32.c b/arch/x86_64/ia32/ptrace32.c
index 659c0722f6b8..d18198ed636b 100644
--- a/arch/x86_64/ia32/ptrace32.c
+++ b/arch/x86_64/ia32/ptrace32.c
@@ -117,6 +117,10 @@ static int putreg32(struct task_struct *child, unsigned regno, u32 val)
 			if ((0x5454 >> ((val >> (16 + 4*i)) & 0xf)) & 1)
 			       return -EIO;
 		child->thread.debugreg7 = val; 
+		if (val)
+			set_tsk_thread_flag(child, TIF_DEBUG);
+		else
+			clear_tsk_thread_flag(child, TIF_DEBUG);
 		break; 
 		    
 	default:
@@ -371,8 +375,10 @@ asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data)
 		ret = -EIO;
 		if (!access_ok(VERIFY_READ, u, sizeof(*u)))
 			break;
-		/* no checking to be bug-to-bug compatible with i386 */
-		__copy_from_user(&child->thread.i387.fxsave, u, sizeof(*u));
+		/* no checking to be bug-to-bug compatible with i386. */
+		/* but silence warning */
+		if (__copy_from_user(&child->thread.i387.fxsave, u, sizeof(*u)))
+			;
 		set_stopped_child_used_math(child);
 		child->thread.i387.fxsave.mxcsr &= mxcsr_feature_mask;
 		ret = 0; 
diff --git a/arch/x86_64/ia32/sys_ia32.c b/arch/x86_64/ia32/sys_ia32.c
index 9c130993380d..f280d3665f4b 100644
--- a/arch/x86_64/ia32/sys_ia32.c
+++ b/arch/x86_64/ia32/sys_ia32.c
@@ -60,6 +60,7 @@
 #include <linux/highuid.h>
 #include <linux/vmalloc.h>
 #include <linux/fsnotify.h>
+#include <linux/sysctl.h>
 #include <asm/mman.h>
 #include <asm/types.h>
 #include <asm/uaccess.h>
@@ -389,7 +390,9 @@ sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
 		}
 	}
 	set_fs (KERNEL_DS);
-	ret = sys_rt_sigprocmask(how, set ? &s : NULL, oset ? &s : NULL,
+	ret = sys_rt_sigprocmask(how,
+				 set ? (sigset_t __user *)&s : NULL,
+				 oset ? (sigset_t __user *)&s : NULL,
 				 sigsetsize); 
 	set_fs (old_fs);
 	if (ret) return ret;
@@ -541,7 +544,7 @@ sys32_sysinfo(struct sysinfo32 __user *info)
 	int bitcount = 0;
 	
 	set_fs (KERNEL_DS);
-	ret = sys_sysinfo(&s);
+	ret = sys_sysinfo((struct sysinfo __user *)&s);
 	set_fs (old_fs);
 
         /* Check to see if any memory value is too large for 32-bit and scale
@@ -589,7 +592,7 @@ sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *int
 	mm_segment_t old_fs = get_fs ();
 	
 	set_fs (KERNEL_DS);
-	ret = sys_sched_rr_get_interval(pid, &t);
+	ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t);
 	set_fs (old_fs);
 	if (put_compat_timespec(&t, interval))
 		return -EFAULT;
@@ -605,7 +608,7 @@ sys32_rt_sigpending(compat_sigset_t __user *set, compat_size_t sigsetsize)
 	mm_segment_t old_fs = get_fs();
 		
 	set_fs (KERNEL_DS);
-	ret = sys_rt_sigpending(&s, sigsetsize);
+	ret = sys_rt_sigpending((sigset_t __user *)&s, sigsetsize);
 	set_fs (old_fs);
 	if (!ret) {
 		switch (_NSIG_WORDS) {
@@ -630,7 +633,7 @@ sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
 	if (copy_siginfo_from_user32(&info, uinfo))
 		return -EFAULT;
 	set_fs (KERNEL_DS);
-	ret = sys_rt_sigqueueinfo(pid, sig, &info);
+	ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *)&info);
 	set_fs (old_fs);
 	return ret;
 }
@@ -645,7 +648,7 @@ sys32_pause(void)
 }
 
 
-#ifdef CONFIG_SYSCTL
+#ifdef CONFIG_SYSCTL_SYSCALL
 struct sysctl_ia32 {
 	unsigned int	name;
 	int		nlen;
@@ -666,9 +669,6 @@ sys32_sysctl(struct sysctl_ia32 __user *args32)
 	size_t oldlen;
 	int __user *namep;
 	long ret;
-	extern int do_sysctl(int *name, int nlen, void *oldval, size_t *oldlenp,
-		     void *newval, size_t newlen);
-
 
 	if (copy_from_user(&a32, args32, sizeof (a32)))
 		return -EFAULT;
@@ -692,7 +692,8 @@ sys32_sysctl(struct sysctl_ia32 __user *args32)
 
 	set_fs(KERNEL_DS);
 	lock_kernel();
-	ret = do_sysctl(namep, a32.nlen, oldvalp, &oldlen, newvalp, (size_t) a32.newlen);
+	ret = do_sysctl(namep, a32.nlen, oldvalp, (size_t __user *)&oldlen,
+			newvalp, (size_t) a32.newlen);
 	unlock_kernel();
 	set_fs(old_fs);
 
@@ -743,7 +744,8 @@ sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, s32 count)
 		return -EFAULT;
 		
 	set_fs(KERNEL_DS);
-	ret = sys_sendfile(out_fd, in_fd, offset ? &of : NULL, count);
+	ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL,
+			   count);
 	set_fs(old_fs);
 	
 	if (offset && put_user(of, offset))
@@ -778,7 +780,7 @@ asmlinkage long sys32_mmap2(unsigned long addr, unsigned long len,
 
 asmlinkage long sys32_olduname(struct oldold_utsname __user * name)
 {
-	int error;
+	int err;
 
 	if (!name)
 		return -EFAULT;
@@ -787,27 +789,31 @@ asmlinkage long sys32_olduname(struct oldold_utsname __user * name)
   
   	down_read(&uts_sem);
 	
-	error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
-	 __put_user(0,name->sysname+__OLD_UTS_LEN);
-	 __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
-	 __put_user(0,name->nodename+__OLD_UTS_LEN);
-	 __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
-	 __put_user(0,name->release+__OLD_UTS_LEN);
-	 __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
-	 __put_user(0,name->version+__OLD_UTS_LEN);
+	err = __copy_to_user(&name->sysname,&system_utsname.sysname,
+				__OLD_UTS_LEN);
+	err |= __put_user(0,name->sysname+__OLD_UTS_LEN);
+	err |= __copy_to_user(&name->nodename,&system_utsname.nodename,
+				__OLD_UTS_LEN);
+	err |= __put_user(0,name->nodename+__OLD_UTS_LEN);
+	err |= __copy_to_user(&name->release,&system_utsname.release,
+				__OLD_UTS_LEN);
+	err |= __put_user(0,name->release+__OLD_UTS_LEN);
+	err |= __copy_to_user(&name->version,&system_utsname.version,
+				__OLD_UTS_LEN);
+	err |= __put_user(0,name->version+__OLD_UTS_LEN);
 	 { 
 		 char *arch = "x86_64";
 		 if (personality(current->personality) == PER_LINUX32)
 			 arch = "i686";
 		 
-		 __copy_to_user(&name->machine,arch,strlen(arch)+1);
+		 err |= __copy_to_user(&name->machine,arch,strlen(arch)+1);
 	 }
 	
 	 up_read(&uts_sem);
 	 
-	 error = error ? -EFAULT : 0;
+	 err = err ? -EFAULT : 0;
 	 
-	 return error;
+	 return err;
 }
 
 long sys32_uname(struct old_utsname __user * name)
@@ -831,7 +837,7 @@ long sys32_ustat(unsigned dev, struct ustat32 __user *u32p)
 	
 	seg = get_fs(); 
 	set_fs(KERNEL_DS); 
-	ret = sys_ustat(dev,&u); 
+	ret = sys_ustat(dev, (struct ustat __user *)&u);
 	set_fs(seg);
 	if (ret >= 0) { 
 		if (!access_ok(VERIFY_WRITE,u32p,sizeof(struct ustat32)) || 
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index b5aaeafc1cd3..3c7cbff04d3d 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -11,7 +11,7 @@ obj-y	:= process.o signal.o entry.o traps.o irq.o \
 		pci-dma.o pci-nommu.o alternative.o
 
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
-obj-$(CONFIG_X86_MCE)         += mce.o
+obj-$(CONFIG_X86_MCE)		+= mce.o therm_throt.o
 obj-$(CONFIG_X86_MCE_INTEL)	+= mce_intel.o
 obj-$(CONFIG_X86_MCE_AMD)	+= mce_amd.o
 obj-$(CONFIG_MTRR)		+= ../../i386/kernel/cpu/mtrr/
@@ -20,8 +20,8 @@ obj-$(CONFIG_X86_MSR)		+= msr.o
 obj-$(CONFIG_MICROCODE)		+= microcode.o
 obj-$(CONFIG_X86_CPUID)		+= cpuid.o
 obj-$(CONFIG_SMP)		+= smp.o smpboot.o trampoline.o
-obj-$(CONFIG_X86_LOCAL_APIC)	+= apic.o  nmi.o
-obj-$(CONFIG_X86_IO_APIC)	+= io_apic.o mpparse.o \
+obj-y				+= apic.o  nmi.o
+obj-y				+= io_apic.o mpparse.o \
 		genapic.o genapic_cluster.o genapic_flat.o
 obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o crash.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
@@ -39,12 +39,14 @@ obj-$(CONFIG_K8_NB)		+= k8.o
 obj-$(CONFIG_AUDIT)		+= audit.o
 
 obj-$(CONFIG_MODULES)		+= module.o
+obj-$(CONFIG_PCI)		+= early-quirks.o
 
 obj-y				+= topology.o
 obj-y				+= intel_cacheinfo.o
 
 CFLAGS_vsyscall.o		:= $(PROFILING) -g0
 
+therm_throt-y                   += ../../i386/kernel/cpu/mcheck/therm_throt.o
 bootflag-y			+= ../../i386/kernel/bootflag.o
 cpuid-$(subst m,y,$(CONFIG_X86_CPUID))  += ../../i386/kernel/cpuid.o
 topology-y                     += ../../i386/kernel/topology.o
@@ -54,4 +56,3 @@ quirks-y			+= ../../i386/kernel/quirks.o
 i8237-y				+= ../../i386/kernel/i8237.o
 msr-$(subst m,y,$(CONFIG_X86_MSR))  += ../../i386/kernel/msr.o
 alternative-y			+= ../../i386/kernel/alternative.o
-
diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c
index 58af8e73738b..b487396c4c5b 100644
--- a/arch/x86_64/kernel/aperture.c
+++ b/arch/x86_64/kernel/aperture.c
@@ -17,6 +17,7 @@
 #include <linux/pci_ids.h>
 #include <linux/pci.h>
 #include <linux/bitops.h>
+#include <linux/ioport.h>
 #include <asm/e820.h>
 #include <asm/io.h>
 #include <asm/proto.h>
@@ -33,6 +34,18 @@ int fallback_aper_force __initdata = 0;
 
 int fix_aperture __initdata = 1;
 
+static struct resource gart_resource = {
+	.name	= "GART",
+	.flags	= IORESOURCE_MEM,
+};
+
+static void __init insert_aperture_resource(u32 aper_base, u32 aper_size)
+{
+	gart_resource.start = aper_base;
+	gart_resource.end = aper_base + aper_size - 1;
+	insert_resource(&iomem_resource, &gart_resource);
+}
+
 /* This code runs before the PCI subsystem is initialized, so just
    access the northbridge directly. */
 
@@ -48,7 +61,7 @@ static u32 __init allocate_aperture(void)
 
 	/* 
 	 * Aperture has to be naturally aligned. This means an 2GB aperture won't
-	 * have much chances to find a place in the lower 4GB of memory.
+	 * have much chance of finding a place in the lower 4GB of memory.
 	 * Unfortunately we cannot move it up because that would make the
 	 * IOMMU useless.
 	 */
@@ -62,6 +75,7 @@ static u32 __init allocate_aperture(void)
 	}
 	printk("Mapping aperture over %d KB of RAM @ %lx\n",
 	       aper_size >> 10, __pa(p)); 
+	insert_aperture_resource((u32)__pa(p), aper_size);
 	return (u32)__pa(p); 
 }
 
@@ -198,7 +212,7 @@ void __init iommu_hole_init(void)
 	u64 aper_base, last_aper_base = 0;
 	int valid_agp = 0;
 
-	if (iommu_aperture_disabled || !fix_aperture)
+	if (iommu_aperture_disabled || !fix_aperture || !early_pci_allowed())
 		return;
 
 	printk("Checking aperture...\n"); 
@@ -233,8 +247,13 @@ void __init iommu_hole_init(void)
 		last_aper_base = aper_base;
 	} 
 
-	if (!fix && !fallback_aper_force) 
+	if (!fix && !fallback_aper_force) {
+		if (last_aper_base) {
+			unsigned long n = (32 * 1024 * 1024) << last_aper_order;
+			insert_aperture_resource((u32)last_aper_base, n);
+		}
 		return; 
+	}
 
 	if (!fallback_aper_force)
 		aper_alloc = search_agp_bridge(&aper_order, &valid_agp); 
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 2b8cef037a65..135ff25e6b44 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -25,6 +25,7 @@
 #include <linux/kernel_stat.h>
 #include <linux/sysdev.h>
 #include <linux/module.h>
+#include <linux/ioport.h>
 
 #include <asm/atomic.h>
 #include <asm/smp.h>
@@ -36,13 +37,20 @@
 #include <asm/idle.h>
 #include <asm/proto.h>
 #include <asm/timex.h>
+#include <asm/apic.h>
 
+int apic_mapped;
 int apic_verbosity;
 int apic_runs_main_timer;
 int apic_calibrate_pmtmr __initdata;
 
 int disable_apic_timer __initdata;
 
+static struct resource lapic_resource = {
+	.name = "Local APIC",
+	.flags = IORESOURCE_MEM | IORESOURCE_BUSY,
+};
+
 /*
  * cpu_mask that denotes the CPUs that needs timer interrupt coming in as
  * IPIs in place of local APIC timers
@@ -136,72 +144,40 @@ void clear_local_APIC(void)
 	apic_read(APIC_ESR);
 }
 
-void __init connect_bsp_APIC(void)
-{
-	if (pic_mode) {
-		/*
-		 * Do not trust the local APIC being empty at bootup.
-		 */
-		clear_local_APIC();
-		/*
-		 * PIC mode, enable APIC mode in the IMCR, i.e.
-		 * connect BSP's local APIC to INT and NMI lines.
-		 */
-		apic_printk(APIC_VERBOSE, "leaving PIC mode, enabling APIC mode.\n");
-		outb(0x70, 0x22);
-		outb(0x01, 0x23);
-	}
-}
-
 void disconnect_bsp_APIC(int virt_wire_setup)
 {
-	if (pic_mode) {
-		/*
-		 * Put the board back into PIC mode (has an effect
-		 * only on certain older boards).  Note that APIC
-		 * interrupts, including IPIs, won't work beyond
-		 * this point!  The only exception are INIT IPIs.
-		 */
-		apic_printk(APIC_QUIET, "disabling APIC mode, entering PIC mode.\n");
-		outb(0x70, 0x22);
-		outb(0x00, 0x23);
-	}
-	else {
-		/* Go back to Virtual Wire compatibility mode */
-		unsigned long value;
-
-		/* For the spurious interrupt use vector F, and enable it */
-		value = apic_read(APIC_SPIV);
-		value &= ~APIC_VECTOR_MASK;
-		value |= APIC_SPIV_APIC_ENABLED;
-		value |= 0xf;
-		apic_write(APIC_SPIV, value);
-
-		if (!virt_wire_setup) {
-			/* For LVT0 make it edge triggered, active high, external and enabled */
-			value = apic_read(APIC_LVT0);
-			value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING |
-				APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR |
-				APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED );
-			value |= APIC_LVT_REMOTE_IRR | APIC_SEND_PENDING;
-			value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_EXTINT);
-			apic_write(APIC_LVT0, value);
-		}
-		else {
-			/* Disable LVT0 */
-			apic_write(APIC_LVT0, APIC_LVT_MASKED);
-		}
+	/* Go back to Virtual Wire compatibility mode */
+	unsigned long value;
+
+	/* For the spurious interrupt use vector F, and enable it */
+	value = apic_read(APIC_SPIV);
+	value &= ~APIC_VECTOR_MASK;
+	value |= APIC_SPIV_APIC_ENABLED;
+	value |= 0xf;
+	apic_write(APIC_SPIV, value);
 
-		/* For LVT1 make it edge triggered, active high, nmi and enabled */
-		value = apic_read(APIC_LVT1);
-		value &= ~(
-			APIC_MODE_MASK | APIC_SEND_PENDING |
+	if (!virt_wire_setup) {
+		/* For LVT0 make it edge triggered, active high, external and enabled */
+		value = apic_read(APIC_LVT0);
+		value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING |
 			APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR |
-			APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED);
+			APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED );
 		value |= APIC_LVT_REMOTE_IRR | APIC_SEND_PENDING;
-		value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_NMI);
-		apic_write(APIC_LVT1, value);
+		value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_EXTINT);
+		apic_write(APIC_LVT0, value);
+	} else {
+		/* Disable LVT0 */
+		apic_write(APIC_LVT0, APIC_LVT_MASKED);
 	}
+
+	/* For LVT1 make it edge triggered, active high, nmi and enabled */
+	value = apic_read(APIC_LVT1);
+	value &= ~(APIC_MODE_MASK | APIC_SEND_PENDING |
+			APIC_INPUT_POLARITY | APIC_LVT_REMOTE_IRR |
+			APIC_LVT_LEVEL_TRIGGER | APIC_LVT_MASKED);
+	value |= APIC_LVT_REMOTE_IRR | APIC_SEND_PENDING;
+	value = SET_APIC_DELIVERY_MODE(value, APIC_MODE_NMI);
+	apic_write(APIC_LVT1, value);
 }
 
 void disable_local_APIC(void)
@@ -297,8 +273,6 @@ void __init sync_Arb_IDs(void)
 				| APIC_DM_INIT);
 }
 
-extern void __error_in_apic_c (void);
-
 /*
  * An initial setup of the virtual wire mode.
  */
@@ -345,8 +319,7 @@ void __cpuinit setup_local_APIC (void)
 
 	value = apic_read(APIC_LVR);
 
-	if ((SPURIOUS_APIC_VECTOR & 0x0f) != 0x0f)
-		__error_in_apic_c();
+	BUILD_BUG_ON((SPURIOUS_APIC_VECTOR & 0x0f) != 0x0f);
 
 	/*
 	 * Double-check whether this APIC is really registered.
@@ -399,32 +372,8 @@ void __cpuinit setup_local_APIC (void)
 	 */
 	value |= APIC_SPIV_APIC_ENABLED;
 
-	/*
-	 * Some unknown Intel IO/APIC (or APIC) errata is biting us with
-	 * certain networking cards. If high frequency interrupts are
-	 * happening on a particular IOAPIC pin, plus the IOAPIC routing
-	 * entry is masked/unmasked at a high rate as well then sooner or
-	 * later IOAPIC line gets 'stuck', no more interrupts are received
-	 * from the device. If focus CPU is disabled then the hang goes
-	 * away, oh well :-(
-	 *
-	 * [ This bug can be reproduced easily with a level-triggered
-	 *   PCI Ne2000 networking cards and PII/PIII processors, dual
-	 *   BX chipset. ]
-	 */
-	/*
-	 * Actually disabling the focus CPU check just makes the hang less
-	 * frequent as it makes the interrupt distributon model be more
-	 * like LRU than MRU (the short-term load is more even across CPUs).
-	 * See also the comment in end_level_ioapic_irq().  --macro
-	 */
-#if 1
-	/* Enable focus processor (bit==0) */
-	value &= ~APIC_SPIV_FOCUS_DISABLED;
-#else
-	/* Disable focus processor (bit==1) */
-	value |= APIC_SPIV_FOCUS_DISABLED;
-#endif
+	/* We always use processor focus */
+
 	/*
 	 * Set spurious IRQ vector
 	 */
@@ -442,7 +391,7 @@ void __cpuinit setup_local_APIC (void)
 	 * TODO: set up through-local-APIC from through-I/O-APIC? --macro
 	 */
 	value = apic_read(APIC_LVT0) & APIC_LVT_MASKED;
-	if (!smp_processor_id() && (pic_mode || !value)) {
+	if (!smp_processor_id() && !value) {
 		value = APIC_DM_EXTINT;
 		apic_printk(APIC_VERBOSE, "enabled ExtINT on CPU#%d\n", smp_processor_id());
 	} else {
@@ -479,8 +428,7 @@ void __cpuinit setup_local_APIC (void)
 	}
 
 	nmi_watchdog_default();
-	if (nmi_watchdog == NMI_LOCAL_APIC)
-		setup_apic_nmi_watchdog();
+	setup_apic_nmi_watchdog(NULL);
 	apic_pm_activate();
 }
 
@@ -527,8 +475,7 @@ static int lapic_suspend(struct sys_device *dev, pm_message_t state)
 	apic_pm_state.apic_tmict = apic_read(APIC_TMICT);
 	apic_pm_state.apic_tdcr = apic_read(APIC_TDCR);
 	apic_pm_state.apic_thmr = apic_read(APIC_LVTTHMR);
-	local_save_flags(flags);
-	local_irq_disable();
+	local_irq_save(flags);
 	disable_local_APIC();
 	local_irq_restore(flags);
 	return 0;
@@ -606,18 +553,24 @@ static void apic_pm_activate(void) { }
 
 static int __init apic_set_verbosity(char *str)
 {
+	if (str == NULL)  {
+		skip_ioapic_setup = 0;
+		ioapic_force = 1;
+		return 0;
+	}
 	if (strcmp("debug", str) == 0)
 		apic_verbosity = APIC_DEBUG;
 	else if (strcmp("verbose", str) == 0)
 		apic_verbosity = APIC_VERBOSE;
-	else
+	else {
 		printk(KERN_WARNING "APIC Verbosity level %s not recognised"
-				" use apic=verbose or apic=debug", str);
+				" use apic=verbose or apic=debug\n", str);
+		return -EINVAL;
+	}
 
-	return 1;
+	return 0;
 }
-
-__setup("apic=", apic_set_verbosity);
+early_param("apic", apic_set_verbosity);
 
 /*
  * Detect and enable local APICs on non-SMP boards.
@@ -638,6 +591,40 @@ static int __init detect_init_APIC (void)
 	return 0;
 }
 
+#ifdef CONFIG_X86_IO_APIC
+static struct resource * __init ioapic_setup_resources(void)
+{
+#define IOAPIC_RESOURCE_NAME_SIZE 11
+	unsigned long n;
+	struct resource *res;
+	char *mem;
+	int i;
+
+	if (nr_ioapics <= 0)
+		return NULL;
+
+	n = IOAPIC_RESOURCE_NAME_SIZE + sizeof(struct resource);
+	n *= nr_ioapics;
+
+	res = alloc_bootmem(n);
+
+	if (!res)
+		return NULL;
+
+	memset(res, 0, n);
+	mem = (void *)&res[nr_ioapics];
+
+	for (i = 0; i < nr_ioapics; i++) {
+		res[i].name = mem;
+		res[i].flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+		snprintf(mem, IOAPIC_RESOURCE_NAME_SIZE, "IOAPIC %u", i);
+		mem += IOAPIC_RESOURCE_NAME_SIZE;
+	}
+
+	return res;
+}
+#endif
+
 void __init init_apic_mappings(void)
 {
 	unsigned long apic_phys;
@@ -654,19 +641,26 @@ void __init init_apic_mappings(void)
 		apic_phys = mp_lapic_addr;
 
 	set_fixmap_nocache(FIX_APIC_BASE, apic_phys);
+	apic_mapped = 1;
 	apic_printk(APIC_VERBOSE,"mapped APIC to %16lx (%16lx)\n", APIC_BASE, apic_phys);
 
+	/* Put local APIC into the resource map. */
+	lapic_resource.start = apic_phys;
+	lapic_resource.end = lapic_resource.start + PAGE_SIZE - 1;
+	insert_resource(&iomem_resource, &lapic_resource);
+
 	/*
 	 * Fetch the APIC ID of the BSP in case we have a
 	 * default configuration (or the MP table is broken).
 	 */
 	boot_cpu_id = GET_APIC_ID(apic_read(APIC_ID));
 
-#ifdef CONFIG_X86_IO_APIC
 	{
 		unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
 		int i;
+		struct resource *ioapic_res;
 
+		ioapic_res = ioapic_setup_resources();
 		for (i = 0; i < nr_ioapics; i++) {
 			if (smp_found_config) {
 				ioapic_phys = mp_ioapics[i].mpc_apicaddr;
@@ -678,9 +672,15 @@ void __init init_apic_mappings(void)
 			apic_printk(APIC_VERBOSE,"mapped IOAPIC to %016lx (%016lx)\n",
 					__fix_to_virt(idx), ioapic_phys);
 			idx++;
+
+			if (ioapic_res) {
+				ioapic_res->start = ioapic_phys;
+				ioapic_res->end = ioapic_phys + (4 * 1024) - 1;
+				insert_resource(&iomem_resource, ioapic_res);
+				ioapic_res++;
+			}
 		}
 	}
-#endif
 }
 
 /*
@@ -951,7 +951,7 @@ void smp_local_timer_interrupt(struct pt_regs *regs)
 	 * We take the 'long' return path, and there every subsystem
 	 * grabs the appropriate locks (kernel lock/ irq lock).
 	 *
-	 * we might want to decouple profiling from the 'long path',
+	 * We might want to decouple profiling from the 'long path',
 	 * and do the profiling totally in assembly.
 	 *
 	 * Currently this isn't too much of an issue (performance wise),
@@ -1123,19 +1123,15 @@ int __init APIC_init_uniprocessor (void)
 
 	verify_local_APIC();
 
-	connect_bsp_APIC();
-
 	phys_cpu_present_map = physid_mask_of_physid(boot_cpu_id);
 	apic_write(APIC_ID, SET_APIC_ID(boot_cpu_id));
 
 	setup_local_APIC();
 
-#ifdef CONFIG_X86_IO_APIC
 	if (smp_found_config && !skip_ioapic_setup && nr_ioapics)
-			setup_IO_APIC();
+		setup_IO_APIC();
 	else
 		nr_ioapics = 0;
-#endif
 	setup_boot_APIC_clock();
 	check_nmi_watchdog();
 	return 0;
@@ -1144,14 +1140,17 @@ int __init APIC_init_uniprocessor (void)
 static __init int setup_disableapic(char *str) 
 { 
 	disable_apic = 1;
-	return 1;
-} 
+	clear_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability);
+	return 0;
+}
+early_param("disableapic", setup_disableapic);
 
+/* same as disableapic, for compatibility */
 static __init int setup_nolapic(char *str) 
 { 
-	disable_apic = 1;
-	return 1;
+	return setup_disableapic(str);
 } 
+early_param("nolapic", setup_nolapic);
 
 static __init int setup_noapictimer(char *str) 
 { 
@@ -1184,11 +1183,5 @@ static __init int setup_apicpmtimer(char *s)
 }
 __setup("apicpmtimer", setup_apicpmtimer);
 
-/* dummy parsing: see setup.c */
-
-__setup("disableapic", setup_disableapic); 
-__setup("nolapic", setup_nolapic);  /* same as disableapic, for compatibility */
-
 __setup("noapictimer", setup_noapictimer); 
 
-/* no "lapic" flag - we only use the lapic when the BIOS tells us so. */
diff --git a/arch/x86_64/kernel/crash.c b/arch/x86_64/kernel/crash.c
index d8d5750d6106..3525f884af82 100644
--- a/arch/x86_64/kernel/crash.c
+++ b/arch/x86_64/kernel/crash.c
@@ -23,6 +23,7 @@
 #include <asm/nmi.h>
 #include <asm/hw_irq.h>
 #include <asm/mach_apic.h>
+#include <asm/kdebug.h>
 
 /* This keeps a track of which one is crashing cpu. */
 static int crashing_cpu;
@@ -68,7 +69,7 @@ static void crash_save_this_cpu(struct pt_regs *regs, int cpu)
 	 * for the data I pass, and I need tags
 	 * on the data to indicate what information I have
 	 * squirrelled away.  ELF notes happen to provide
-	 * all of that that no need to invent something new.
+	 * all of that, no need to invent something new.
 	 */
 
 	buf = (u32*)per_cpu_ptr(crash_notes, cpu);
@@ -95,15 +96,25 @@ static void crash_save_self(struct pt_regs *regs)
 #ifdef CONFIG_SMP
 static atomic_t waiting_for_crash_ipi;
 
-static int crash_nmi_callback(struct pt_regs *regs, int cpu)
+static int crash_nmi_callback(struct notifier_block *self,
+				unsigned long val, void *data)
 {
+	struct pt_regs *regs;
+	int cpu;
+
+	if (val != DIE_NMI_IPI)
+		return NOTIFY_OK;
+
+	regs = ((struct die_args *)data)->regs;
+	cpu = raw_smp_processor_id();
+
 	/*
 	 * Don't do anything if this handler is invoked on crashing cpu.
 	 * Otherwise, system will completely hang. Crashing cpu can get
 	 * an NMI if system was initially booted with nmi_watchdog parameter.
 	 */
 	if (cpu == crashing_cpu)
-		return 1;
+		return NOTIFY_STOP;
 	local_irq_disable();
 
 	crash_save_this_cpu(regs, cpu);
@@ -127,12 +138,17 @@ static void smp_send_nmi_allbutself(void)
  * cpu hotplug shouldn't matter.
  */
 
+static struct notifier_block crash_nmi_nb = {
+	.notifier_call = crash_nmi_callback,
+};
+
 static void nmi_shootdown_cpus(void)
 {
 	unsigned long msecs;
 
 	atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1);
-	set_nmi_callback(crash_nmi_callback);
+	if (register_die_notifier(&crash_nmi_nb))
+		return;         /* return what? */
 
 	/*
 	 * Ensure the new callback function is set before sending
@@ -178,9 +194,7 @@ void machine_crash_shutdown(struct pt_regs *regs)
 	if(cpu_has_apic)
 		 disable_local_APIC();
 
-#if defined(CONFIG_X86_IO_APIC)
 	disable_IO_APIC();
-#endif
 
 	crash_save_self(regs);
 }
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index d6d7f731f6f0..b3f0908668ec 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -16,6 +16,7 @@
 #include <linux/string.h>
 #include <linux/kexec.h>
 #include <linux/module.h>
+#include <linux/mm.h>
 
 #include <asm/pgtable.h>
 #include <asm/page.h>
@@ -24,6 +25,8 @@
 #include <asm/bootsetup.h>
 #include <asm/sections.h>
 
+struct e820map e820 __initdata;
+
 /* 
  * PFN of last memory page.
  */
@@ -40,7 +43,7 @@ unsigned long end_pfn_map;
 /* 
  * Last pfn which the user wants to use.
  */
-unsigned long end_user_pfn = MAXMEM>>PAGE_SHIFT;  
+static unsigned long __initdata end_user_pfn = MAXMEM>>PAGE_SHIFT;
 
 extern struct resource code_resource, data_resource;
 
@@ -69,12 +72,7 @@ static inline int bad_addr(unsigned long *addrp, unsigned long size)
 		return 1;
 	} 
 #endif
-	/* kernel code + 640k memory hole (later should not be needed, but 
-	   be paranoid for now) */
-	if (last >= 640*1024 && addr < 1024*1024) {
-		*addrp = 1024*1024;
-		return 1;
-	}
+	/* kernel code */
 	if (last >= __pa_symbol(&_text) && last < __pa_symbol(&_end)) {
 		*addrp = __pa_symbol(&_end);
 		return 1;
@@ -164,59 +162,14 @@ unsigned long __init find_e820_area(unsigned long start, unsigned long end, unsi
 	return -1UL;		
 } 
 
-/* 
- * Free bootmem based on the e820 table for a node.
- */
-void __init e820_bootmem_free(pg_data_t *pgdat, unsigned long start,unsigned long end)
-{
-	int i;
-	for (i = 0; i < e820.nr_map; i++) {
-		struct e820entry *ei = &e820.map[i]; 
-		unsigned long last, addr;
-
-		if (ei->type != E820_RAM || 
-		    ei->addr+ei->size <= start || 
-		    ei->addr >= end)
-			continue;
-
-		addr = round_up(ei->addr, PAGE_SIZE);
-		if (addr < start) 
-			addr = start;
-
-		last = round_down(ei->addr + ei->size, PAGE_SIZE); 
-		if (last >= end)
-			last = end; 
-
-		if (last > addr && last-addr >= PAGE_SIZE)
-			free_bootmem_node(pgdat, addr, last-addr);
-	}
-}
-
 /*
  * Find the highest page frame number we have available
  */
 unsigned long __init e820_end_of_ram(void)
 {
-	int i;
 	unsigned long end_pfn = 0;
+	end_pfn = find_max_pfn_with_active_regions();
 	
-	for (i = 0; i < e820.nr_map; i++) {
-		struct e820entry *ei = &e820.map[i]; 
-		unsigned long start, end;
-
-		start = round_up(ei->addr, PAGE_SIZE); 
-		end = round_down(ei->addr + ei->size, PAGE_SIZE); 
-		if (start >= end)
-			continue;
-		if (ei->type == E820_RAM) { 
-		if (end > end_pfn<<PAGE_SHIFT)
-			end_pfn = end>>PAGE_SHIFT;
-		} else { 
-			if (end > end_pfn_map<<PAGE_SHIFT) 
-				end_pfn_map = end>>PAGE_SHIFT;
-		} 
-	}
-
 	if (end_pfn > end_pfn_map) 
 		end_pfn_map = end_pfn;
 	if (end_pfn_map > MAXMEM>>PAGE_SHIFT)
@@ -226,43 +179,10 @@ unsigned long __init e820_end_of_ram(void)
 	if (end_pfn > end_pfn_map) 
 		end_pfn = end_pfn_map; 
 
+	printk("end_pfn_map = %lu\n", end_pfn_map);
 	return end_pfn;	
 }
 
-/* 
- * Compute how much memory is missing in a range.
- * Unlike the other functions in this file the arguments are in page numbers.
- */
-unsigned long __init
-e820_hole_size(unsigned long start_pfn, unsigned long end_pfn)
-{
-	unsigned long ram = 0;
-	unsigned long start = start_pfn << PAGE_SHIFT;
-	unsigned long end = end_pfn << PAGE_SHIFT;
-	int i;
-	for (i = 0; i < e820.nr_map; i++) {
-		struct e820entry *ei = &e820.map[i];
-		unsigned long last, addr;
-
-		if (ei->type != E820_RAM ||
-		    ei->addr+ei->size <= start ||
-		    ei->addr >= end)
-			continue;
-
-		addr = round_up(ei->addr, PAGE_SIZE);
-		if (addr < start)
-			addr = start;
-
-		last = round_down(ei->addr + ei->size, PAGE_SIZE);
-		if (last >= end)
-			last = end;
-
-		if (last > addr)
-			ram += last - addr;
-	}
-	return ((end - start) - ram) >> PAGE_SHIFT;
-}
-
 /*
  * Mark e820 reserved areas as busy for the resource manager.
  */
@@ -297,6 +217,96 @@ void __init e820_reserve_resources(void)
 	}
 }
 
+/* Mark pages corresponding to given address range as nosave */
+static void __init
+e820_mark_nosave_range(unsigned long start, unsigned long end)
+{
+	unsigned long pfn, max_pfn;
+
+	if (start >= end)
+		return;
+
+	printk("Nosave address range: %016lx - %016lx\n", start, end);
+	max_pfn = end >> PAGE_SHIFT;
+	for (pfn = start >> PAGE_SHIFT; pfn < max_pfn; pfn++)
+		if (pfn_valid(pfn))
+			SetPageNosave(pfn_to_page(pfn));
+}
+
+/*
+ * Find the ranges of physical addresses that do not correspond to
+ * e820 RAM areas and mark the corresponding pages as nosave for software
+ * suspend and suspend to RAM.
+ *
+ * This function requires the e820 map to be sorted and without any
+ * overlapping entries and assumes the first e820 area to be RAM.
+ */
+void __init e820_mark_nosave_regions(void)
+{
+	int i;
+	unsigned long paddr;
+
+	paddr = round_down(e820.map[0].addr + e820.map[0].size, PAGE_SIZE);
+	for (i = 1; i < e820.nr_map; i++) {
+		struct e820entry *ei = &e820.map[i];
+
+		if (paddr < ei->addr)
+			e820_mark_nosave_range(paddr,
+					round_up(ei->addr, PAGE_SIZE));
+
+		paddr = round_down(ei->addr + ei->size, PAGE_SIZE);
+		if (ei->type != E820_RAM)
+			e820_mark_nosave_range(round_up(ei->addr, PAGE_SIZE),
+					paddr);
+
+		if (paddr >= (end_pfn << PAGE_SHIFT))
+			break;
+	}
+}
+
+/* Walk the e820 map and register active regions within a node */
+void __init
+e820_register_active_regions(int nid, unsigned long start_pfn,
+							unsigned long end_pfn)
+{
+	int i;
+	unsigned long ei_startpfn, ei_endpfn;
+	for (i = 0; i < e820.nr_map; i++) {
+		struct e820entry *ei = &e820.map[i];
+		ei_startpfn = round_up(ei->addr, PAGE_SIZE) >> PAGE_SHIFT;
+		ei_endpfn = round_down(ei->addr + ei->size, PAGE_SIZE)
+								>> PAGE_SHIFT;
+
+		/* Skip map entries smaller than a page */
+		if (ei_startpfn > ei_endpfn)
+			continue;
+
+		/* Check if end_pfn_map should be updated */
+		if (ei->type != E820_RAM && ei_endpfn > end_pfn_map)
+			end_pfn_map = ei_endpfn;
+
+		/* Skip if map is outside the node */
+		if (ei->type != E820_RAM ||
+				ei_endpfn <= start_pfn ||
+				ei_startpfn >= end_pfn)
+			continue;
+
+		/* Check for overlaps */
+		if (ei_startpfn < start_pfn)
+			ei_startpfn = start_pfn;
+		if (ei_endpfn > end_pfn)
+			ei_endpfn = end_pfn;
+
+		/* Obey end_user_pfn to save on memmap */
+		if (ei_startpfn >= end_user_pfn)
+			continue;
+		if (ei_endpfn > end_user_pfn)
+			ei_endpfn = end_user_pfn;
+
+		add_active_range(nid, ei_startpfn, ei_endpfn);
+	}
+}
+
 /* 
  * Add a memory region to the kernel e820 map.
  */ 
@@ -517,13 +527,6 @@ static int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map)
  * If we're lucky and live on a modern system, the setup code
  * will have given us a memory map that we can use to properly
  * set up memory.  If we aren't, we'll fake a memory map.
- *
- * We check to see that the memory map contains at least 2 elements
- * before we'll use it, because the detection code in setup.S may
- * not be perfect and most every PC known to man has two memory
- * regions: one from 0 to 640k, and one from 1mb up.  (The IBM
- * thinkpad 560x, for example, does not cooperate with the memory
- * detection code.)
  */
 static int __init copy_e820_map(struct e820entry * biosmap, int nr_map)
 {
@@ -541,34 +544,19 @@ static int __init copy_e820_map(struct e820entry * biosmap, int nr_map)
 		if (start > end)
 			return -1;
 
-		/*
-		 * Some BIOSes claim RAM in the 640k - 1M region.
-		 * Not right. Fix it up.
-		 * 
-		 * This should be removed on Hammer which is supposed to not
-		 * have non e820 covered ISA mappings there, but I had some strange
-		 * problems so it stays for now.  -AK
-		 */
-		if (type == E820_RAM) {
-			if (start < 0x100000ULL && end > 0xA0000ULL) {
-				if (start < 0xA0000ULL)
-					add_memory_region(start, 0xA0000ULL-start, type);
-				if (end <= 0x100000ULL)
-					continue;
-				start = 0x100000ULL;
-				size = end - start;
-			}
-		}
-
 		add_memory_region(start, size, type);
 	} while (biosmap++,--nr_map);
 	return 0;
 }
 
-void __init setup_memory_region(void)
+void early_panic(char *msg)
 {
-	char *who = "BIOS-e820";
+	early_printk(msg);
+	panic(msg);
+}
 
+void __init setup_memory_region(void)
+{
 	/*
 	 * Try to copy the BIOS-supplied E820-map.
 	 *
@@ -576,51 +564,70 @@ void __init setup_memory_region(void)
 	 * the next section from 1mb->appropriate_mem_k
 	 */
 	sanitize_e820_map(E820_MAP, &E820_MAP_NR);
-	if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) {
-		unsigned long mem_size;
-
-		/* compare results from other methods and take the greater */
-		if (ALT_MEM_K < EXT_MEM_K) {
-			mem_size = EXT_MEM_K;
-			who = "BIOS-88";
-		} else {
-			mem_size = ALT_MEM_K;
-			who = "BIOS-e801";
-		}
-
-		e820.nr_map = 0;
-		add_memory_region(0, LOWMEMSIZE(), E820_RAM);
-		add_memory_region(HIGH_MEMORY, mem_size << 10, E820_RAM);
-  	}
+	if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0)
+		early_panic("Cannot find a valid memory map");
 	printk(KERN_INFO "BIOS-provided physical RAM map:\n");
-	e820_print_map(who);
+	e820_print_map("BIOS-e820");
 }
 
-void __init parse_memopt(char *p, char **from) 
-{ 
-	end_user_pfn = memparse(p, from);
+static int __init parse_memopt(char *p)
+{
+	if (!p)
+		return -EINVAL;
+	end_user_pfn = memparse(p, &p);
 	end_user_pfn >>= PAGE_SHIFT;	
+	return 0;
 } 
+early_param("mem", parse_memopt);
+
+static int userdef __initdata;
 
-void __init parse_memmapopt(char *p, char **from)
+static int __init parse_memmap_opt(char *p)
 {
+	char *oldp;
 	unsigned long long start_at, mem_size;
 
-	mem_size = memparse(p, from);
-	p = *from;
+	if (!strcmp(p, "exactmap")) {
+#ifdef CONFIG_CRASH_DUMP
+		/* If we are doing a crash dump, we
+		 * still need to know the real mem
+		 * size before original memory map is
+		 * reset.
+		 */
+		saved_max_pfn = e820_end_of_ram();
+#endif
+		end_pfn_map = 0;
+		e820.nr_map = 0;
+		userdef = 1;
+		return 0;
+	}
+
+	oldp = p;
+	mem_size = memparse(p, &p);
+	if (p == oldp)
+		return -EINVAL;
 	if (*p == '@') {
-		start_at = memparse(p+1, from);
+		start_at = memparse(p+1, &p);
 		add_memory_region(start_at, mem_size, E820_RAM);
 	} else if (*p == '#') {
-		start_at = memparse(p+1, from);
+		start_at = memparse(p+1, &p);
 		add_memory_region(start_at, mem_size, E820_ACPI);
 	} else if (*p == '$') {
-		start_at = memparse(p+1, from);
+		start_at = memparse(p+1, &p);
 		add_memory_region(start_at, mem_size, E820_RESERVED);
 	} else {
 		end_user_pfn = (mem_size >> PAGE_SHIFT);
 	}
-	p = *from;
+	return *p == '\0' ? 0 : -EINVAL;
+}
+early_param("memmap", parse_memmap_opt);
+
+void finish_e820_parsing(void)
+{
+	if (userdef) {
+		printk(KERN_INFO "user-defined physical RAM map:\n");
+		e820_print_map("user");
+	}
 }
 
 unsigned long pci_mem_start = 0xaeedbabe;
diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c
new file mode 100644
index 000000000000..208e38a372c1
--- /dev/null
+++ b/arch/x86_64/kernel/early-quirks.c
@@ -0,0 +1,122 @@
+/* Various workarounds for chipset bugs.
+   This code runs very early and can't use the regular PCI subsystem
+   The entries are keyed to PCI bridges which usually identify chipsets
+   uniquely.
+   This is only for whole classes of chipsets with specific problems which
+   need early invasive action (e.g. before the timers are initialized).
+   Most PCI device specific workarounds can be done later and should be
+   in standard PCI quirks
+   Mainboard specific bugs should be handled by DMI entries.
+   CPU specific bugs in setup.c */
+
+#include <linux/pci.h>
+#include <linux/acpi.h>
+#include <linux/pci_ids.h>
+#include <asm/pci-direct.h>
+#include <asm/proto.h>
+#include <asm/dma.h>
+
+static void via_bugs(void)
+{
+#ifdef CONFIG_IOMMU
+	if ((end_pfn > MAX_DMA32_PFN ||  force_iommu) &&
+	    !iommu_aperture_allowed) {
+		printk(KERN_INFO
+  "Looks like a VIA chipset. Disabling IOMMU. Override with iommu=allowed\n");
+		iommu_aperture_disabled = 1;
+	}
+#endif
+}
+
+#ifdef CONFIG_ACPI
+
+static int nvidia_hpet_detected __initdata;
+
+static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
+{
+	nvidia_hpet_detected = 1;
+	return 0;
+}
+#endif
+
+static void nvidia_bugs(void)
+{
+#ifdef CONFIG_ACPI
+	/*
+	 * All timer overrides on Nvidia are
+	 * wrong unless HPET is enabled.
+	 */
+	nvidia_hpet_detected = 0;
+	acpi_table_parse(ACPI_HPET, nvidia_hpet_check);
+	if (nvidia_hpet_detected == 0) {
+		acpi_skip_timer_override = 1;
+		printk(KERN_INFO "Nvidia board "
+		       "detected. Ignoring ACPI "
+		       "timer override.\n");
+	}
+#endif
+	/* RED-PEN skip them on mptables too? */
+
+}
+
+static void ati_bugs(void)
+{
+#if 1 /* for testing */
+	printk("ATI board detected\n");
+#endif
+	/* No bugs right now */
+}
+
+struct chipset {
+	u16 vendor;
+	void (*f)(void);
+};
+
+static struct chipset early_qrk[] = {
+	{ PCI_VENDOR_ID_NVIDIA, nvidia_bugs },
+	{ PCI_VENDOR_ID_VIA, via_bugs },
+	{ PCI_VENDOR_ID_ATI, ati_bugs },
+	{}
+};
+
+void __init early_quirks(void)
+{
+	int num, slot, func;
+
+	if (!early_pci_allowed())
+		return;
+
+	/* Poor man's PCI discovery */
+	for (num = 0; num < 32; num++) {
+		for (slot = 0; slot < 32; slot++) {
+			for (func = 0; func < 8; func++) {
+				u32 class;
+				u32 vendor;
+				u8 type;
+				int i;
+				class = read_pci_config(num,slot,func,
+							PCI_CLASS_REVISION);
+				if (class == 0xffffffff)
+					break;
+
+		       		if ((class >> 16) != PCI_CLASS_BRIDGE_PCI)
+					continue;
+
+				vendor = read_pci_config(num, slot, func,
+							 PCI_VENDOR_ID);
+				vendor &= 0xffff;
+
+				for (i = 0; early_qrk[i].f; i++)
+					if (early_qrk[i].vendor == vendor) {
+						early_qrk[i].f();
+						return;
+					}
+
+				type = read_pci_config_byte(num, slot, func,
+							    PCI_HEADER_TYPE);
+				if (!(type & 0x80))
+					break;
+			}
+		}
+	}
+}
diff --git a/arch/x86_64/kernel/early_printk.c b/arch/x86_64/kernel/early_printk.c
index 140051e07fa6..e22ecd54870d 100644
--- a/arch/x86_64/kernel/early_printk.c
+++ b/arch/x86_64/kernel/early_printk.c
@@ -215,20 +215,16 @@ void early_printk(const char *fmt, ...)
 
 static int __initdata keep_early;
 
-int __init setup_early_printk(char *opt)
+static int __init setup_early_printk(char *buf)
 {
-	char *space;
-	char buf[256];
+	if (!buf)
+		return 0;
 
 	if (early_console_initialized)
-		return 1;
-
-	strlcpy(buf,opt,sizeof(buf));
-	space = strchr(buf, ' ');
-	if (space)
-		*space = 0;
+		return 0;
+	early_console_initialized = 1;
 
-	if (strstr(buf,"keep"))
+	if (!strcmp(buf,"keep"))
 		keep_early = 1;
 
 	if (!strncmp(buf, "serial", 6)) {
@@ -248,11 +244,12 @@ int __init setup_early_printk(char *opt)
  		early_console = &simnow_console;
  		keep_early = 1;
 	}
-	early_console_initialized = 1;
 	register_console(early_console);
 	return 0;
 }
 
+early_param("earlyprintk", setup_early_printk);
+
 void __init disable_early_printk(void)
 {
 	if (!early_console_initialized || !early_console)
@@ -266,4 +263,3 @@ void __init disable_early_printk(void)
 	}
 }
 
-__setup("earlyprintk=", setup_early_printk);
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index aa8d8939abc1..2802524104f3 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -4,8 +4,6 @@
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *  Copyright (C) 2000, 2001, 2002  Andi Kleen SuSE Labs
  *  Copyright (C) 2000  Pavel Machek <pavel@suse.cz>
- * 
- *  $Id$
  */
 
 /*
@@ -22,15 +20,25 @@
  * at the top of the kernel process stack.	
  * - partial stack frame: partially saved registers upto R11.
  * - full stack frame: Like partial stack frame, but all register saved. 
- *	
- * TODO:	 
- * - schedule it carefully for the final hardware.
+ *
+ * Some macro usage:
+ * - CFI macros are used to generate dwarf2 unwind information for better
+ * backtraces. They don't change any code.
+ * - SAVE_ALL/RESTORE_ALL - Save/restore all registers
+ * - SAVE_ARGS/RESTORE_ARGS - Save/restore registers that C functions modify.
+ * There are unfortunately lots of special cases where some registers
+ * not touched. The macro is a big mess that should be cleaned up.
+ * - SAVE_REST/RESTORE_REST - Handle the registers not saved by SAVE_ARGS.
+ * Gives a full stack frame.
+ * - ENTRY/END Define functions in the symbol table.
+ * - FIXUP_TOP_OF_STACK/RESTORE_TOP_OF_STACK - Fix up the hardware stack
+ * frame that is otherwise undefined after a SYSCALL
+ * - TRACE_IRQ_* - Trace hard interrupt state for lock debugging.
+ * - errorentry/paranoidentry/zeroentry - Define exception entry points.
  */
 
-#define ASSEMBLY 1
 #include <linux/linkage.h>
 #include <asm/segment.h>
-#include <asm/smp.h>
 #include <asm/cache.h>
 #include <asm/errno.h>
 #include <asm/dwarf2.h>
@@ -115,6 +123,7 @@
 	.macro	CFI_DEFAULT_STACK start=1
 	.if \start
 	CFI_STARTPROC	simple
+	CFI_SIGNAL_FRAME
 	CFI_DEF_CFA	rsp,SS+8
 	.else
 	CFI_DEF_CFA_OFFSET SS+8
@@ -146,6 +155,10 @@
 /* rdi:	prev */	
 ENTRY(ret_from_fork)
 	CFI_DEFAULT_STACK
+	push kernel_eflags(%rip)
+	CFI_ADJUST_CFA_OFFSET 4
+	popf				# reset kernel eflags
+	CFI_ADJUST_CFA_OFFSET -4
 	call schedule_tail
 	GET_THREAD_INFO(%rcx)
 	testl $(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT),threadinfo_flags(%rcx)
@@ -199,6 +212,7 @@ END(ret_from_fork)
 
 ENTRY(system_call)
 	CFI_STARTPROC	simple
+	CFI_SIGNAL_FRAME
 	CFI_DEF_CFA	rsp,PDA_STACKOFFSET
 	CFI_REGISTER	rip,rcx
 	/*CFI_REGISTER	rflags,r11*/
@@ -316,6 +330,7 @@ END(system_call)
  */ 	
 ENTRY(int_ret_from_sys_call)
 	CFI_STARTPROC	simple
+	CFI_SIGNAL_FRAME
 	CFI_DEF_CFA	rsp,SS+8-ARGOFFSET
 	/*CFI_REL_OFFSET	ss,SS-ARGOFFSET*/
 	CFI_REL_OFFSET	rsp,RSP-ARGOFFSET
@@ -476,6 +491,7 @@ END(stub_rt_sigreturn)
  */
 	.macro _frame ref
 	CFI_STARTPROC simple
+	CFI_SIGNAL_FRAME
 	CFI_DEF_CFA rsp,SS+8-\ref
 	/*CFI_REL_OFFSET ss,SS-\ref*/
 	CFI_REL_OFFSET rsp,RSP-\ref
@@ -511,7 +527,12 @@ END(stub_rt_sigreturn)
 	testl $3,CS(%rdi)
 	je 1f
 	swapgs	
-1:	incl	%gs:pda_irqcount	# RED-PEN should check preempt count
+	/* irqcount is used to check if a CPU is already on an interrupt
+	   stack or not. While this is essentially redundant with preempt_count
+	   it is a little cheaper to use a separate counter in the PDA
+	   (short of moving irq_enter into assembly, which would be too
+	    much work) */
+1:	incl	%gs:pda_irqcount
 	cmoveq %gs:pda_irqstackptr,%rsp
 	push    %rbp			# backlink for old unwinder
 	/*
@@ -619,8 +640,7 @@ retint_signal:
 #ifdef CONFIG_PREEMPT
 	/* Returning to kernel space. Check if we need preemption */
 	/* rcx:	 threadinfo. interrupts off. */
-	.p2align
-retint_kernel:	
+ENTRY(retint_kernel)
 	cmpl $0,threadinfo_preempt_count(%rcx)
 	jnz  retint_restore_args
 	bt  $TIF_NEED_RESCHED,threadinfo_flags(%rcx)
@@ -679,7 +699,6 @@ ENTRY(call_function_interrupt)
 END(call_function_interrupt)
 #endif
 
-#ifdef CONFIG_X86_LOCAL_APIC	
 ENTRY(apic_timer_interrupt)
 	apicinterrupt LOCAL_TIMER_VECTOR,smp_apic_timer_interrupt
 END(apic_timer_interrupt)
@@ -691,7 +710,6 @@ END(error_interrupt)
 ENTRY(spurious_interrupt)
 	apicinterrupt SPURIOUS_APIC_VECTOR,smp_spurious_interrupt
 END(spurious_interrupt)
-#endif
 				
 /*
  * Exception entry points.
@@ -768,7 +786,9 @@ paranoid_exit\trace:
 	testl $3,CS(%rsp)
 	jnz   paranoid_userspace\trace
 paranoid_swapgs\trace:
+	.if \trace
 	TRACE_IRQS_IRETQ 0
+	.endif
 	swapgs
 paranoid_restore\trace:
 	RESTORE_ALL 8
@@ -814,7 +834,7 @@ paranoid_schedule\trace:
  * Exception entry point. This expects an error code/orig_rax on the stack
  * and the exception handler in %rax.	
  */ 		  				
-ENTRY(error_entry)
+KPROBE_ENTRY(error_entry)
 	_frame RDI
 	/* rdi slot contains rax, oldrax contains error code */
 	cld	
@@ -898,7 +918,7 @@ error_kernelspace:
 	cmpq $gs_change,RIP(%rsp)
         je   error_swapgs
 	jmp  error_sti
-END(error_entry)
+KPROBE_END(error_entry)
 	
        /* Reload gs selector with exception handling */
        /* edi:  new selector */ 
@@ -1020,8 +1040,7 @@ ENDPROC(execve)
 
 KPROBE_ENTRY(page_fault)
 	errorentry do_page_fault
-END(page_fault)
-	.previous .text
+KPROBE_END(page_fault)
 
 ENTRY(coprocessor_error)
 	zeroentry do_coprocessor_error
@@ -1042,8 +1061,7 @@ KPROBE_ENTRY(debug)
 	CFI_ADJUST_CFA_OFFSET 8		
 	paranoidentry do_debug, DEBUG_STACK
 	paranoidexit
-END(debug)
-	.previous .text
+KPROBE_END(debug)
 
 	/* runs on exception stack */	
 KPROBE_ENTRY(nmi)
@@ -1057,8 +1075,7 @@ KPROBE_ENTRY(nmi)
 	jmp paranoid_exit1
  	CFI_ENDPROC
 #endif
-END(nmi)
-	.previous .text
+KPROBE_END(nmi)
 
 KPROBE_ENTRY(int3)
  	INTR_FRAME
@@ -1067,8 +1084,7 @@ KPROBE_ENTRY(int3)
  	paranoidentry do_int3, DEBUG_STACK
  	jmp paranoid_exit1
  	CFI_ENDPROC
-END(int3)
-	.previous .text
+KPROBE_END(int3)
 
 ENTRY(overflow)
 	zeroentry do_overflow
@@ -1116,8 +1132,7 @@ END(stack_segment)
 
 KPROBE_ENTRY(general_protection)
 	errorentry do_general_protection
-END(general_protection)
-	.previous .text
+KPROBE_END(general_protection)
 
 ENTRY(alignment_check)
 	errorentry do_alignment_check
diff --git a/arch/x86_64/kernel/genapic_cluster.c b/arch/x86_64/kernel/genapic_cluster.c
index 3020917546de..cdb90e671b88 100644
--- a/arch/x86_64/kernel/genapic_cluster.c
+++ b/arch/x86_64/kernel/genapic_cluster.c
@@ -118,7 +118,6 @@ struct genapic apic_cluster = {
 	.name = "clustered",
 	.int_delivery_mode = dest_Fixed,
 	.int_dest_mode = (APIC_DEST_PHYSICAL != 0),
-	.int_delivery_dest = APIC_DEST_PHYSICAL | APIC_DM_FIXED,
 	.target_cpus = cluster_target_cpus,
 	.apic_id_registered = cluster_apic_id_registered,
 	.init_apic_ldr = cluster_init_apic_ldr,
diff --git a/arch/x86_64/kernel/genapic_flat.c b/arch/x86_64/kernel/genapic_flat.c
index eb86d374813a..50ad153eaac4 100644
--- a/arch/x86_64/kernel/genapic_flat.c
+++ b/arch/x86_64/kernel/genapic_flat.c
@@ -49,8 +49,7 @@ static void flat_send_IPI_mask(cpumask_t cpumask, int vector)
 	unsigned long cfg;
 	unsigned long flags;
 
-	local_save_flags(flags);
-	local_irq_disable();
+	local_irq_save(flags);
 
 	/*
 	 * Wait for idle.
@@ -121,7 +120,6 @@ struct genapic apic_flat =  {
 	.name = "flat",
 	.int_delivery_mode = dest_LowestPrio,
 	.int_dest_mode = (APIC_DEST_LOGICAL != 0),
-	.int_delivery_dest = APIC_DEST_LOGICAL | APIC_DM_LOWEST,
 	.target_cpus = flat_target_cpus,
 	.apic_id_registered = flat_apic_id_registered,
 	.init_apic_ldr = flat_init_apic_ldr,
@@ -180,7 +178,6 @@ struct genapic apic_physflat =  {
 	.name = "physical flat",
 	.int_delivery_mode = dest_Fixed,
 	.int_dest_mode = (APIC_DEST_PHYSICAL != 0),
-	.int_delivery_dest = APIC_DEST_PHYSICAL | APIC_DM_FIXED,
 	.target_cpus = physflat_target_cpus,
 	.apic_id_registered = flat_apic_id_registered,
 	.init_apic_ldr = flat_init_apic_ldr,/*not needed, but shouldn't hurt*/
diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S
index c9739ca81d06..1e6f80870679 100644
--- a/arch/x86_64/kernel/head.S
+++ b/arch/x86_64/kernel/head.S
@@ -5,8 +5,6 @@
  *  Copyright (C) 2000 Pavel Machek <pavel@suse.cz>
  *  Copyright (C) 2000 Karsten Keil <kkeil@suse.de>
  *  Copyright (C) 2001,2002 Andi Kleen <ak@suse.de>
- *
- *  $Id: head.S,v 1.49 2002/03/19 17:39:25 ak Exp $
  */
 
 
@@ -187,12 +185,15 @@ startup_64:
 	
 	/* Finally jump to run C code and to be on real kernel address
 	 * Since we are running on identity-mapped space we have to jump
-	 * to the full 64bit address , this is only possible as indirect
-	 * jump
+	 * to the full 64bit address, this is only possible as indirect
+	 * jump.  In addition we need to ensure %cs is set so we make this
+	 * a far return.
 	 */
 	movq	initial_code(%rip),%rax
-	pushq	$0		# fake return address
-	jmp	*%rax
+	pushq	$0		# fake return address to stop unwinder
+	pushq	$__KERNEL_CS	# set correct cs
+	pushq	%rax		# target address in negative space
+	lretq
 
 	/* SMP bootup changes these two */
 	.align	8
@@ -371,7 +372,7 @@ ENTRY(cpu_gdt_table)
 	.quad	0,0			/* TSS */
 	.quad	0,0			/* LDT */
 	.quad   0,0,0			/* three TLS descriptors */ 
-	.quad	0			/* unused */
+	.quad	0x0000f40000000000	/* node/CPU stored in limit */
 gdt_end:	
 	/* asm/segment.h:GDT_ENTRIES must match this */	
 	/* This should be a multiple of the cache line size */
diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c
index 36647ce6aecb..9561eb3c5b5c 100644
--- a/arch/x86_64/kernel/head64.c
+++ b/arch/x86_64/kernel/head64.c
@@ -45,38 +45,16 @@ static void __init copy_bootdata(char *real_mode_data)
 	new_data = *(int *) (x86_boot_params + NEW_CL_POINTER);
 	if (!new_data) {
 		if (OLD_CL_MAGIC != * (u16 *) OLD_CL_MAGIC_ADDR) {
-			printk("so old bootloader that it does not support commandline?!\n");
 			return;
 		}
 		new_data = OLD_CL_BASE_ADDR + * (u16 *) OLD_CL_OFFSET;
-		printk("old bootloader convention, maybe loadlin?\n");
 	}
 	command_line = (char *) ((u64)(new_data));
 	memcpy(saved_command_line, command_line, COMMAND_LINE_SIZE);
-	printk("Bootdata ok (command line is %s)\n", saved_command_line);	
-}
-
-static void __init setup_boot_cpu_data(void)
-{
-	unsigned int dummy, eax;
-
-	/* get vendor info */
-	cpuid(0, (unsigned int *)&boot_cpu_data.cpuid_level,
-	      (unsigned int *)&boot_cpu_data.x86_vendor_id[0],
-	      (unsigned int *)&boot_cpu_data.x86_vendor_id[8],
-	      (unsigned int *)&boot_cpu_data.x86_vendor_id[4]);
-
-	/* get cpu type */
-	cpuid(1, &eax, &dummy, &dummy,
-		(unsigned int *) &boot_cpu_data.x86_capability);
-	boot_cpu_data.x86 = (eax >> 8) & 0xf;
-	boot_cpu_data.x86_model = (eax >> 4) & 0xf;
-	boot_cpu_data.x86_mask = eax & 0xf;
 }
 
 void __init x86_64_start_kernel(char * real_mode_data)
 {
-	char *s;
 	int i;
 
 	for (i = 0; i < 256; i++)
@@ -84,10 +62,7 @@ void __init x86_64_start_kernel(char * real_mode_data)
 	asm volatile("lidt %0" :: "m" (idt_descr));
 	clear_bss();
 
-	/*
-	 * This must be called really, really early:
-	 */
-	lockdep_init();
+	early_printk("Kernel alive\n");
 
 	/*
 	 * switch to init_level4_pgt from boot_level4_pgt
@@ -103,22 +78,5 @@ void __init x86_64_start_kernel(char * real_mode_data)
 #ifdef CONFIG_SMP
 	cpu_set(0, cpu_online_map);
 #endif
-	s = strstr(saved_command_line, "earlyprintk=");
-	if (s != NULL)
-		setup_early_printk(strchr(s, '=') + 1);
-#ifdef CONFIG_NUMA
-	s = strstr(saved_command_line, "numa=");
-	if (s != NULL)
-		numa_setup(s+5);
-#endif
-#ifdef CONFIG_X86_IO_APIC
-	if (strstr(saved_command_line, "disableapic"))
-		disable_apic = 1;
-#endif
-	/* You need early console to see that */
-	if (__pa_symbol(&_end) >= KERNEL_TEXT_SIZE)
-		panic("Kernel too big for kernel mapping\n");
-
-	setup_boot_cpu_data();
 	start_kernel();
 }
diff --git a/arch/x86_64/kernel/i8259.c b/arch/x86_64/kernel/i8259.c
index 0434b1f8e3dd..2dd51f364ea2 100644
--- a/arch/x86_64/kernel/i8259.c
+++ b/arch/x86_64/kernel/i8259.c
@@ -55,7 +55,6 @@
  */
 BUILD_16_IRQS(0x0)
 
-#ifdef CONFIG_X86_LOCAL_APIC
 /*
  * The IO-APIC gives us many more interrupt sources. Most of these 
  * are unused but an SMP system is supposed to have enough memory ...
@@ -75,8 +74,6 @@ BUILD_16_IRQS(0xc) BUILD_16_IRQS(0xd)
 	BUILD_15_IRQS(0xe)
 #endif
 
-#endif
-
 #undef BUILD_16_IRQS
 #undef BUILD_15_IRQS
 #undef BI
@@ -100,7 +97,6 @@ BUILD_16_IRQS(0xc) BUILD_16_IRQS(0xd)
 void (*interrupt[NR_IRQS])(void) = {
 	IRQLIST_16(0x0),
 
-#ifdef CONFIG_X86_IO_APIC
 			 IRQLIST_16(0x1), IRQLIST_16(0x2), IRQLIST_16(0x3),
 	IRQLIST_16(0x4), IRQLIST_16(0x5), IRQLIST_16(0x6), IRQLIST_16(0x7),
 	IRQLIST_16(0x8), IRQLIST_16(0x9), IRQLIST_16(0xa), IRQLIST_16(0xb),
@@ -110,7 +106,6 @@ void (*interrupt[NR_IRQS])(void) = {
 	, IRQLIST_15(0xe)
 #endif
 
-#endif
 };
 
 #undef IRQ
@@ -128,6 +123,8 @@ void (*interrupt[NR_IRQS])(void) = {
 
 DEFINE_SPINLOCK(i8259A_lock);
 
+static int i8259A_auto_eoi;
+
 static void end_8259A_irq (unsigned int irq)
 {
 	if (irq > 256) { 
@@ -341,6 +338,8 @@ void init_8259A(int auto_eoi)
 {
 	unsigned long flags;
 
+	i8259A_auto_eoi = auto_eoi;
+
 	spin_lock_irqsave(&i8259A_lock, flags);
 
 	outb(0xff, 0x21);	/* mask all of 8259A-1 */
@@ -399,7 +398,7 @@ static void save_ELCR(char *trigger)
 
 static int i8259A_resume(struct sys_device *dev)
 {
-	init_8259A(0);
+	init_8259A(i8259A_auto_eoi);
 	restore_ELCR(irq_trigger);
 	return 0;
 }
@@ -453,9 +452,7 @@ void __init init_ISA_irqs (void)
 {
 	int i;
 
-#ifdef CONFIG_X86_LOCAL_APIC
 	init_bsp_APIC();
-#endif
 	init_8259A(0);
 
 	for (i = 0; i < NR_IRQS; i++) {
@@ -581,14 +578,12 @@ void __init init_IRQ(void)
 	set_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
 	set_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt);
 
-#ifdef CONFIG_X86_LOCAL_APIC
 	/* self generated IPI for local APIC timer */
 	set_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
 
 	/* IPI vectors for APIC spurious and error interrupts */
 	set_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
 	set_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
-#endif
 
 	/*
 	 * Set the clock to HZ Hz, we already have a valid
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 924a4a332954..0491019d4c8d 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -48,7 +48,7 @@ int sis_apic_bug; /* not actually supported, dummy for compile */
 
 static int no_timer_check;
 
-int disable_timer_pin_1 __initdata;
+static int disable_timer_pin_1 __initdata;
 
 int timer_over_8254 __initdata = 0;
 
@@ -111,6 +111,33 @@ int vector_irq[NR_VECTORS] __read_mostly = { [0 ... NR_VECTORS - 1] = -1};
 	FINAL;								\
 }
 
+union entry_union {
+	struct { u32 w1, w2; };
+	struct IO_APIC_route_entry entry;
+};
+
+static struct IO_APIC_route_entry ioapic_read_entry(int apic, int pin)
+{
+	union entry_union eu;
+	unsigned long flags;
+	spin_lock_irqsave(&ioapic_lock, flags);
+	eu.w1 = io_apic_read(apic, 0x10 + 2 * pin);
+	eu.w2 = io_apic_read(apic, 0x11 + 2 * pin);
+	spin_unlock_irqrestore(&ioapic_lock, flags);
+	return eu.entry;
+}
+
+static void ioapic_write_entry(int apic, int pin, struct IO_APIC_route_entry e)
+{
+	unsigned long flags;
+	union entry_union eu;
+	eu.entry = e;
+	spin_lock_irqsave(&ioapic_lock, flags);
+	io_apic_write(apic, 0x10 + 2*pin, eu.w1);
+	io_apic_write(apic, 0x11 + 2*pin, eu.w2);
+	spin_unlock_irqrestore(&ioapic_lock, flags);
+}
+
 #ifdef CONFIG_SMP
 static void set_ioapic_affinity_irq(unsigned int irq, cpumask_t mask)
 {
@@ -196,13 +223,9 @@ static void unmask_IO_APIC_irq (unsigned int irq)
 static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin)
 {
 	struct IO_APIC_route_entry entry;
-	unsigned long flags;
 
 	/* Check delivery_mode to be sure we're not clearing an SMI pin */
-	spin_lock_irqsave(&ioapic_lock, flags);
-	*(((int*)&entry) + 0) = io_apic_read(apic, 0x10 + 2 * pin);
-	*(((int*)&entry) + 1) = io_apic_read(apic, 0x11 + 2 * pin);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	entry = ioapic_read_entry(apic, pin);
 	if (entry.delivery_mode == dest_SMI)
 		return;
 	/*
@@ -210,10 +233,7 @@ static void clear_IO_APIC_pin(unsigned int apic, unsigned int pin)
 	 */
 	memset(&entry, 0, sizeof(entry));
 	entry.mask = 1;
-	spin_lock_irqsave(&ioapic_lock, flags);
-	io_apic_write(apic, 0x10 + 2 * pin, *(((int *)&entry) + 0));
-	io_apic_write(apic, 0x11 + 2 * pin, *(((int *)&entry) + 1));
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	ioapic_write_entry(apic, pin, entry);
 }
 
 static void clear_IO_APIC (void)
@@ -225,14 +245,6 @@ static void clear_IO_APIC (void)
 			clear_IO_APIC_pin(apic, pin);
 }
 
-/*
- * support for broken MP BIOSs, enables hand-redirection of PIRQ0-7 to
- * specific CPU-side IRQs.
- */
-
-#define MAX_PIRQS 8
-static int pirq_entries [MAX_PIRQS];
-static int pirqs_enabled;
 int skip_ioapic_setup;
 int ioapic_force;
 
@@ -241,18 +253,17 @@ int ioapic_force;
 static int __init disable_ioapic_setup(char *str)
 {
 	skip_ioapic_setup = 1;
-	return 1;
+	return 0;
 }
+early_param("noapic", disable_ioapic_setup);
 
-static int __init enable_ioapic_setup(char *str)
+/* Actually the next is obsolete, but keep it for paranoid reasons -AK */
+static int __init disable_timer_pin_setup(char *arg)
 {
-	ioapic_force = 1;
-	skip_ioapic_setup = 0;
+	disable_timer_pin_1 = 1;
 	return 1;
 }
-
-__setup("noapic", disable_ioapic_setup);
-__setup("apic", enable_ioapic_setup);
+__setup("disable_timer_pin_1", disable_timer_pin_setup);
 
 static int __init setup_disable_8254_timer(char *s)
 {
@@ -268,135 +279,6 @@ static int __init setup_enable_8254_timer(char *s)
 __setup("disable_8254_timer", setup_disable_8254_timer);
 __setup("enable_8254_timer", setup_enable_8254_timer);
 
-#include <asm/pci-direct.h>
-#include <linux/pci_ids.h>
-#include <linux/pci.h>
-
-
-#ifdef CONFIG_ACPI
-
-static int nvidia_hpet_detected __initdata;
-
-static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
-{
-	nvidia_hpet_detected = 1;
-	return 0;
-}
-#endif
-
-/* Temporary Hack. Nvidia and VIA boards currently only work with IO-APIC
-   off. Check for an Nvidia or VIA PCI bridge and turn it off.
-   Use pci direct infrastructure because this runs before the PCI subsystem. 
-
-   Can be overwritten with "apic"
-
-   And another hack to disable the IOMMU on VIA chipsets.
-
-   ... and others. Really should move this somewhere else.
-
-   Kludge-O-Rama. */
-void __init check_ioapic(void) 
-{ 
-	int num,slot,func; 
-	/* Poor man's PCI discovery */
-	for (num = 0; num < 32; num++) { 
-		for (slot = 0; slot < 32; slot++) { 
-			for (func = 0; func < 8; func++) { 
-				u32 class;
-				u32 vendor;
-				u8 type;
-				class = read_pci_config(num,slot,func,
-							PCI_CLASS_REVISION);
-				if (class == 0xffffffff)
-					break; 
-
-		       		if ((class >> 16) != PCI_CLASS_BRIDGE_PCI)
-					continue; 
-
-				vendor = read_pci_config(num, slot, func, 
-							 PCI_VENDOR_ID);
-				vendor &= 0xffff;
-				switch (vendor) { 
-				case PCI_VENDOR_ID_VIA:
-#ifdef CONFIG_IOMMU
-					if ((end_pfn > MAX_DMA32_PFN ||
-					     force_iommu) &&
-					    !iommu_aperture_allowed) {
-						printk(KERN_INFO
-    "Looks like a VIA chipset. Disabling IOMMU. Override with \"iommu=allowed\"\n");
-						iommu_aperture_disabled = 1;
-					}
-#endif
-					return;
-				case PCI_VENDOR_ID_NVIDIA:
-#ifdef CONFIG_ACPI
-					/*
-					 * All timer overrides on Nvidia are
-					 * wrong unless HPET is enabled.
-					 */
-					nvidia_hpet_detected = 0;
-					acpi_table_parse(ACPI_HPET,
-							nvidia_hpet_check);
-					if (nvidia_hpet_detected == 0) {
-						acpi_skip_timer_override = 1;
-						printk(KERN_INFO "Nvidia board "
-						    "detected. Ignoring ACPI "
-						    "timer override.\n");
-					}
-#endif
-					/* RED-PEN skip them on mptables too? */
-					return;
-
-				/* This should be actually default, but
-				   for 2.6.16 let's do it for ATI only where
-				   it's really needed. */
-				case PCI_VENDOR_ID_ATI:
-					if (timer_over_8254 == 1) {	
-						timer_over_8254 = 0;	
-					printk(KERN_INFO
-		"ATI board detected. Disabling timer routing over 8254.\n");
-					}	
-					return;
-				} 
-
-
-				/* No multi-function device? */
-				type = read_pci_config_byte(num,slot,func,
-							    PCI_HEADER_TYPE);
-				if (!(type & 0x80))
-					break;
-			} 
-		}
-	}
-} 
-
-static int __init ioapic_pirq_setup(char *str)
-{
-	int i, max;
-	int ints[MAX_PIRQS+1];
-
-	get_options(str, ARRAY_SIZE(ints), ints);
-
-	for (i = 0; i < MAX_PIRQS; i++)
-		pirq_entries[i] = -1;
-
-	pirqs_enabled = 1;
-	apic_printk(APIC_VERBOSE, "PIRQ redirection, working around broken MP-BIOS.\n");
-	max = MAX_PIRQS;
-	if (ints[0] < MAX_PIRQS)
-		max = ints[0];
-
-	for (i = 0; i < max; i++) {
-		apic_printk(APIC_VERBOSE, "... PIRQ%d -> IRQ %d\n", i, ints[i+1]);
-		/*
-		 * PIRQs are mapped upside down, usually.
-		 */
-		pirq_entries[MAX_PIRQS-i-1] = ints[i+1];
-	}
-	return 1;
-}
-
-__setup("pirq=", ioapic_pirq_setup);
 
 /*
  * Find the IRQ entry number of a certain pin.
@@ -425,9 +307,7 @@ static int __init find_isa_irq_pin(int irq, int type)
 	for (i = 0; i < mp_irq_entries; i++) {
 		int lbus = mp_irqs[i].mpc_srcbus;
 
-		if ((mp_bus_id_to_type[lbus] == MP_BUS_ISA ||
-		     mp_bus_id_to_type[lbus] == MP_BUS_EISA ||
-		     mp_bus_id_to_type[lbus] == MP_BUS_MCA) &&
+		if (test_bit(lbus, mp_bus_not_pci) &&
 		    (mp_irqs[i].mpc_irqtype == type) &&
 		    (mp_irqs[i].mpc_srcbusirq == irq))
 
@@ -443,9 +323,7 @@ static int __init find_isa_irq_apic(int irq, int type)
 	for (i = 0; i < mp_irq_entries; i++) {
 		int lbus = mp_irqs[i].mpc_srcbus;
 
-		if ((mp_bus_id_to_type[lbus] == MP_BUS_ISA ||
-		     mp_bus_id_to_type[lbus] == MP_BUS_EISA ||
-		     mp_bus_id_to_type[lbus] == MP_BUS_MCA) &&
+		if (test_bit(lbus, mp_bus_not_pci) &&
 		    (mp_irqs[i].mpc_irqtype == type) &&
 		    (mp_irqs[i].mpc_srcbusirq == irq))
 			break;
@@ -485,7 +363,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
 			    mp_irqs[i].mpc_dstapic == MP_APIC_ALL)
 				break;
 
-		if ((mp_bus_id_to_type[lbus] == MP_BUS_PCI) &&
+		if (!test_bit(lbus, mp_bus_not_pci) &&
 		    !mp_irqs[i].mpc_irqtype &&
 		    (bus == lbus) &&
 		    (slot == ((mp_irqs[i].mpc_srcbusirq >> 2) & 0x1f))) {
@@ -508,27 +386,6 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin)
 	return best_guess;
 }
 
-/*
- * EISA Edge/Level control register, ELCR
- */
-static int EISA_ELCR(unsigned int irq)
-{
-	if (irq < 16) {
-		unsigned int port = 0x4d0 + (irq >> 3);
-		return (inb(port) >> (irq & 7)) & 1;
-	}
-	apic_printk(APIC_VERBOSE, "Broken MPtable reports ISA irq %d\n", irq);
-	return 0;
-}
-
-/* EISA interrupts are always polarity zero and can be edge or level
- * trigger depending on the ELCR value.  If an interrupt is listed as
- * EISA conforming in the MP table, that means its trigger type must
- * be read in from the ELCR */
-
-#define default_EISA_trigger(idx)	(EISA_ELCR(mp_irqs[idx].mpc_srcbusirq))
-#define default_EISA_polarity(idx)	(0)
-
 /* ISA interrupts are always polarity zero edge triggered,
  * when listed as conforming in the MP table. */
 
@@ -541,12 +398,6 @@ static int EISA_ELCR(unsigned int irq)
 #define default_PCI_trigger(idx)	(1)
 #define default_PCI_polarity(idx)	(1)
 
-/* MCA interrupts are always polarity zero level triggered,
- * when listed as conforming in the MP table. */
-
-#define default_MCA_trigger(idx)	(1)
-#define default_MCA_polarity(idx)	(0)
-
 static int __init MPBIOS_polarity(int idx)
 {
 	int bus = mp_irqs[idx].mpc_srcbus;
@@ -558,38 +409,11 @@ static int __init MPBIOS_polarity(int idx)
 	switch (mp_irqs[idx].mpc_irqflag & 3)
 	{
 		case 0: /* conforms, ie. bus-type dependent polarity */
-		{
-			switch (mp_bus_id_to_type[bus])
-			{
-				case MP_BUS_ISA: /* ISA pin */
-				{
-					polarity = default_ISA_polarity(idx);
-					break;
-				}
-				case MP_BUS_EISA: /* EISA pin */
-				{
-					polarity = default_EISA_polarity(idx);
-					break;
-				}
-				case MP_BUS_PCI: /* PCI pin */
-				{
-					polarity = default_PCI_polarity(idx);
-					break;
-				}
-				case MP_BUS_MCA: /* MCA pin */
-				{
-					polarity = default_MCA_polarity(idx);
-					break;
-				}
-				default:
-				{
-					printk(KERN_WARNING "broken BIOS!!\n");
-					polarity = 1;
-					break;
-				}
-			}
+			if (test_bit(bus, mp_bus_not_pci))
+				polarity = default_ISA_polarity(idx);
+			else
+				polarity = default_PCI_polarity(idx);
 			break;
-		}
 		case 1: /* high active */
 		{
 			polarity = 0;
@@ -627,38 +451,11 @@ static int MPBIOS_trigger(int idx)
 	switch ((mp_irqs[idx].mpc_irqflag>>2) & 3)
 	{
 		case 0: /* conforms, ie. bus-type dependent */
-		{
-			switch (mp_bus_id_to_type[bus])
-			{
-				case MP_BUS_ISA: /* ISA pin */
-				{
-					trigger = default_ISA_trigger(idx);
-					break;
-				}
-				case MP_BUS_EISA: /* EISA pin */
-				{
-					trigger = default_EISA_trigger(idx);
-					break;
-				}
-				case MP_BUS_PCI: /* PCI pin */
-				{
-					trigger = default_PCI_trigger(idx);
-					break;
-				}
-				case MP_BUS_MCA: /* MCA pin */
-				{
-					trigger = default_MCA_trigger(idx);
-					break;
-				}
-				default:
-				{
-					printk(KERN_WARNING "broken BIOS!!\n");
-					trigger = 1;
-					break;
-				}
-			}
+			if (test_bit(bus, mp_bus_not_pci))
+				trigger = default_ISA_trigger(idx);
+			else
+				trigger = default_PCI_trigger(idx);
 			break;
-		}
 		case 1: /* edge */
 		{
 			trigger = 0;
@@ -764,49 +561,17 @@ static int pin_2_irq(int idx, int apic, int pin)
 	if (mp_irqs[idx].mpc_dstirq != pin)
 		printk(KERN_ERR "broken BIOS or MPTABLE parser, ayiee!!\n");
 
-	switch (mp_bus_id_to_type[bus])
-	{
-		case MP_BUS_ISA: /* ISA pin */
-		case MP_BUS_EISA:
-		case MP_BUS_MCA:
-		{
-			irq = mp_irqs[idx].mpc_srcbusirq;
-			break;
-		}
-		case MP_BUS_PCI: /* PCI pin */
-		{
-			/*
-			 * PCI IRQs are mapped in order
-			 */
-			i = irq = 0;
-			while (i < apic)
-				irq += nr_ioapic_registers[i++];
-			irq += pin;
-			irq = gsi_irq_sharing(irq);
-			break;
-		}
-		default:
-		{
-			printk(KERN_ERR "unknown bus type %d.\n",bus); 
-			irq = 0;
-			break;
-		}
-	}
-	BUG_ON(irq >= NR_IRQS);
-
-	/*
-	 * PCI IRQ command line redirection. Yes, limits are hardcoded.
-	 */
-	if ((pin >= 16) && (pin <= 23)) {
-		if (pirq_entries[pin-16] != -1) {
-			if (!pirq_entries[pin-16]) {
-				apic_printk(APIC_VERBOSE, "disabling PIRQ%d\n", pin-16);
-			} else {
-				irq = pirq_entries[pin-16];
-				apic_printk(APIC_VERBOSE, "using PIRQ%d -> IRQ %d\n",
-						pin-16, irq);
-			}
-		}
+	if (test_bit(bus, mp_bus_not_pci)) {
+		irq = mp_irqs[idx].mpc_srcbusirq;
+	} else {
+		/*
+		 * PCI IRQs are mapped in order
+		 */
+		i = irq = 0;
+		while (i < apic)
+			irq += nr_ioapic_registers[i++];
+		irq += pin;
+		irq = gsi_irq_sharing(irq);
 	}
 	BUG_ON(irq >= NR_IRQS);
 	return irq;
@@ -943,9 +708,9 @@ static void __init setup_IO_APIC_irqs(void)
 			if (!apic && (irq < 16))
 				disable_8259A_irq(irq);
 		}
+		ioapic_write_entry(apic, pin, entry);
+
 		spin_lock_irqsave(&ioapic_lock, flags);
-		io_apic_write(apic, 0x11+2*pin, *(((int *)&entry)+1));
-		io_apic_write(apic, 0x10+2*pin, *(((int *)&entry)+0));
 		set_native_irq_info(irq, TARGET_CPUS);
 		spin_unlock_irqrestore(&ioapic_lock, flags);
 	}
@@ -1083,10 +848,7 @@ void __apicdebuginit print_IO_APIC(void)
 	for (i = 0; i <= reg_01.bits.entries; i++) {
 		struct IO_APIC_route_entry entry;
 
-		spin_lock_irqsave(&ioapic_lock, flags);
-		*(((int *)&entry)+0) = io_apic_read(apic, 0x10+i*2);
-		*(((int *)&entry)+1) = io_apic_read(apic, 0x11+i*2);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
+		entry = ioapic_read_entry(apic, i);
 
 		printk(KERN_DEBUG " %02x %03X %02X  ",
 			i,
@@ -1281,9 +1043,6 @@ static void __init enable_IO_APIC(void)
 		irq_2_pin[i].pin = -1;
 		irq_2_pin[i].next = 0;
 	}
-	if (!pirqs_enabled)
-		for (i = 0; i < MAX_PIRQS; i++)
-			pirq_entries[i] = -1;
 
 	/*
 	 * The number of IO-APIC IRQ registers (== #pins):
@@ -1299,11 +1058,7 @@ static void __init enable_IO_APIC(void)
 		/* See if any of the pins is in ExtINT mode */
 		for (pin = 0; pin < nr_ioapic_registers[apic]; pin++) {
 			struct IO_APIC_route_entry entry;
-			spin_lock_irqsave(&ioapic_lock, flags);
-			*(((int *)&entry) + 0) = io_apic_read(apic, 0x10 + 2 * pin);
-			*(((int *)&entry) + 1) = io_apic_read(apic, 0x11 + 2 * pin);
-			spin_unlock_irqrestore(&ioapic_lock, flags);
-
+			entry = ioapic_read_entry(apic, pin);
 
 			/* If the interrupt line is enabled and in ExtInt mode
 			 * I have found the pin where the i8259 is connected.
@@ -1355,7 +1110,6 @@ void disable_IO_APIC(void)
 	 */
 	if (ioapic_i8259.pin != -1) {
 		struct IO_APIC_route_entry entry;
-		unsigned long flags;
 
 		memset(&entry, 0, sizeof(entry));
 		entry.mask            = 0; /* Enabled */
@@ -1372,84 +1126,13 @@ void disable_IO_APIC(void)
 		/*
 		 * Add it to the IO-APIC irq-routing table:
 		 */
-		spin_lock_irqsave(&ioapic_lock, flags);
-		io_apic_write(ioapic_i8259.apic, 0x11+2*ioapic_i8259.pin,
-			*(((int *)&entry)+1));
-		io_apic_write(ioapic_i8259.apic, 0x10+2*ioapic_i8259.pin,
-			*(((int *)&entry)+0));
-		spin_unlock_irqrestore(&ioapic_lock, flags);
+		ioapic_write_entry(ioapic_i8259.apic, ioapic_i8259.pin, entry);
 	}
 
 	disconnect_bsp_APIC(ioapic_i8259.pin != -1);
 }
 
 /*
- * function to set the IO-APIC physical IDs based on the
- * values stored in the MPC table.
- *
- * by Matt Domsch <Matt_Domsch@dell.com>  Tue Dec 21 12:25:05 CST 1999
- */
-
-static void __init setup_ioapic_ids_from_mpc (void)
-{
-	union IO_APIC_reg_00 reg_00;
-	int apic;
-	int i;
-	unsigned char old_id;
-	unsigned long flags;
-
-	/*
-	 * Set the IOAPIC ID to the value stored in the MPC table.
-	 */
-	for (apic = 0; apic < nr_ioapics; apic++) {
-
-		/* Read the register 0 value */
-		spin_lock_irqsave(&ioapic_lock, flags);
-		reg_00.raw = io_apic_read(apic, 0);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
-		
-		old_id = mp_ioapics[apic].mpc_apicid;
-
-
-		printk(KERN_INFO "Using IO-APIC %d\n", mp_ioapics[apic].mpc_apicid);
-
-
-		/*
-		 * We need to adjust the IRQ routing table
-		 * if the ID changed.
-		 */
-		if (old_id != mp_ioapics[apic].mpc_apicid)
-			for (i = 0; i < mp_irq_entries; i++)
-				if (mp_irqs[i].mpc_dstapic == old_id)
-					mp_irqs[i].mpc_dstapic
-						= mp_ioapics[apic].mpc_apicid;
-
-		/*
-		 * Read the right value from the MPC table and
-		 * write it into the ID register.
-	 	 */
-		apic_printk(APIC_VERBOSE,KERN_INFO "...changing IO-APIC physical APIC ID to %d ...",
-				mp_ioapics[apic].mpc_apicid);
-
-		reg_00.bits.ID = mp_ioapics[apic].mpc_apicid;
-		spin_lock_irqsave(&ioapic_lock, flags);
-		io_apic_write(apic, 0, reg_00.raw);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
-
-		/*
-		 * Sanity check
-		 */
-		spin_lock_irqsave(&ioapic_lock, flags);
-		reg_00.raw = io_apic_read(apic, 0);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
-		if (reg_00.bits.ID != mp_ioapics[apic].mpc_apicid)
-			printk("could not set ID!\n");
-		else
-			apic_printk(APIC_VERBOSE," ok.\n");
-	}
-}
-
-/*
  * There is a nasty bug in some older SMP boards, their mptable lies
  * about the timer IRQ. We do the following to work around the situation:
  *
@@ -1964,11 +1647,6 @@ void __init setup_IO_APIC(void)
 
 	apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
 
-	/*
-	 * Set up the IO-APIC IRQ routing table.
-	 */
-	if (!acpi_ioapic)
-		setup_ioapic_ids_from_mpc();
 	sync_Arb_IDs();
 	setup_IO_APIC_irqs();
 	init_IO_APIC_traps();
@@ -1987,17 +1665,12 @@ static int ioapic_suspend(struct sys_device *dev, pm_message_t state)
 {
 	struct IO_APIC_route_entry *entry;
 	struct sysfs_ioapic_data *data;
-	unsigned long flags;
 	int i;
 
 	data = container_of(dev, struct sysfs_ioapic_data, dev);
 	entry = data->entry;
-	spin_lock_irqsave(&ioapic_lock, flags);
-	for (i = 0; i < nr_ioapic_registers[dev->id]; i ++, entry ++ ) {
-		*(((int *)entry) + 1) = io_apic_read(dev->id, 0x11 + 2 * i);
-		*(((int *)entry) + 0) = io_apic_read(dev->id, 0x10 + 2 * i);
-	}
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	for (i = 0; i < nr_ioapic_registers[dev->id]; i ++, entry ++ )
+		*entry = ioapic_read_entry(dev->id, i);
 
 	return 0;
 }
@@ -2019,11 +1692,9 @@ static int ioapic_resume(struct sys_device *dev)
 		reg_00.bits.ID = mp_ioapics[dev->id].mpc_apicid;
 		io_apic_write(dev->id, 0, reg_00.raw);
 	}
-	for (i = 0; i < nr_ioapic_registers[dev->id]; i ++, entry ++ ) {
-		io_apic_write(dev->id, 0x11+2*i, *(((int *)entry)+1));
-		io_apic_write(dev->id, 0x10+2*i, *(((int *)entry)+0));
-	}
 	spin_unlock_irqrestore(&ioapic_lock, flags);
+	for (i = 0; i < nr_ioapic_registers[dev->id]; i++)
+		ioapic_write_entry(dev->id, i, entry[i]);
 
 	return 0;
 }
@@ -2077,19 +1748,6 @@ device_initcall(ioapic_init_sysfs);
 
 #define IO_APIC_MAX_ID		0xFE
 
-int __init io_apic_get_version (int ioapic)
-{
-	union IO_APIC_reg_01	reg_01;
-	unsigned long flags;
-
-	spin_lock_irqsave(&ioapic_lock, flags);
-	reg_01.raw = io_apic_read(ioapic, 1);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
-
-	return reg_01.bits.version;
-}
-
-
 int __init io_apic_get_redir_entries (int ioapic)
 {
 	union IO_APIC_reg_01	reg_01;
@@ -2148,10 +1806,10 @@ int io_apic_set_pci_routing (int ioapic, int pin, int irq, int triggering, int p
 	if (!ioapic && (irq < 16))
 		disable_8259A_irq(irq);
 
+	ioapic_write_entry(ioapic, pin, entry);
+
 	spin_lock_irqsave(&ioapic_lock, flags);
-	io_apic_write(ioapic, 0x11+2*pin, *(((int *)&entry)+1));
-	io_apic_write(ioapic, 0x10+2*pin, *(((int *)&entry)+0));
-	set_native_irq_info(use_pci_vector() ?  entry.vector : irq, TARGET_CPUS);
+	set_native_irq_info(use_pci_vector() ? entry.vector : irq, TARGET_CPUS);
 	spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	return 0;
diff --git a/arch/x86_64/kernel/ioport.c b/arch/x86_64/kernel/ioport.c
index b81614970ecc..fe063d3cfe42 100644
--- a/arch/x86_64/kernel/ioport.c
+++ b/arch/x86_64/kernel/ioport.c
@@ -56,6 +56,7 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on)
 
 		memset(bitmap, 0xff, IO_BITMAP_BYTES);
 		t->io_bitmap_ptr = bitmap;
+		set_thread_flag(TIF_IO_BITMAP);
 	}
 
 	/*
diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c
index 5221a53e90c1..b3677e6ccc6e 100644
--- a/arch/x86_64/kernel/irq.c
+++ b/arch/x86_64/kernel/irq.c
@@ -20,11 +20,6 @@
 #include <asm/idle.h>
 
 atomic_t irq_err_count;
-#ifdef CONFIG_X86_IO_APIC
-#ifdef APIC_MISMATCH_DEBUG
-atomic_t irq_mis_count;
-#endif
-#endif
 
 #ifdef CONFIG_DEBUG_STACKOVERFLOW
 /*
@@ -92,18 +87,11 @@ skip:
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
 		seq_putc(p, '\n');
-#ifdef CONFIG_X86_LOCAL_APIC
 		seq_printf(p, "LOC: ");
 		for_each_online_cpu(j)
 			seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs);
 		seq_putc(p, '\n');
-#endif
 		seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
-#ifdef CONFIG_X86_IO_APIC
-#ifdef APIC_MISMATCH_DEBUG
-		seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count));
-#endif
-#endif
 	}
 	return 0;
 }
diff --git a/arch/x86_64/kernel/machine_kexec.c b/arch/x86_64/kernel/machine_kexec.c
index 106076b370fc..0497e3bd5bff 100644
--- a/arch/x86_64/kernel/machine_kexec.c
+++ b/arch/x86_64/kernel/machine_kexec.c
@@ -15,6 +15,15 @@
 #include <asm/mmu_context.h>
 #include <asm/io.h>
 
+#define PAGE_ALIGNED __attribute__ ((__aligned__(PAGE_SIZE)))
+static u64 kexec_pgd[512] PAGE_ALIGNED;
+static u64 kexec_pud0[512] PAGE_ALIGNED;
+static u64 kexec_pmd0[512] PAGE_ALIGNED;
+static u64 kexec_pte0[512] PAGE_ALIGNED;
+static u64 kexec_pud1[512] PAGE_ALIGNED;
+static u64 kexec_pmd1[512] PAGE_ALIGNED;
+static u64 kexec_pte1[512] PAGE_ALIGNED;
+
 static void init_level2_page(pmd_t *level2p, unsigned long addr)
 {
 	unsigned long end_addr;
@@ -144,32 +153,19 @@ static void load_segments(void)
 		);
 }
 
-typedef NORET_TYPE void (*relocate_new_kernel_t)(unsigned long indirection_page,
-					unsigned long control_code_buffer,
-					unsigned long start_address,
-					unsigned long pgtable) ATTRIB_NORET;
-
-extern const unsigned char relocate_new_kernel[];
-extern const unsigned long relocate_new_kernel_size;
-
 int machine_kexec_prepare(struct kimage *image)
 {
-	unsigned long start_pgtable, control_code_buffer;
+	unsigned long start_pgtable;
 	int result;
 
 	/* Calculate the offsets */
 	start_pgtable = page_to_pfn(image->control_code_page) << PAGE_SHIFT;
-	control_code_buffer = start_pgtable + PAGE_SIZE;
 
 	/* Setup the identity mapped 64bit page table */
 	result = init_pgtable(image, start_pgtable);
 	if (result)
 		return result;
 
-	/* Place the code in the reboot code buffer */
-	memcpy(__va(control_code_buffer), relocate_new_kernel,
-						relocate_new_kernel_size);
-
 	return 0;
 }
 
@@ -184,28 +180,34 @@ void machine_kexec_cleanup(struct kimage *image)
  */
 NORET_TYPE void machine_kexec(struct kimage *image)
 {
-	unsigned long page_list;
-	unsigned long control_code_buffer;
-	unsigned long start_pgtable;
-	relocate_new_kernel_t rnk;
+	unsigned long page_list[PAGES_NR];
+	void *control_page;
 
 	/* Interrupts aren't acceptable while we reboot */
 	local_irq_disable();
 
-	/* Calculate the offsets */
-	page_list = image->head;
-	start_pgtable = page_to_pfn(image->control_code_page) << PAGE_SHIFT;
-	control_code_buffer = start_pgtable + PAGE_SIZE;
-
-	/* Set the low half of the page table to my identity mapped
-	 * page table for kexec.  Leave the high half pointing at the
-	 * kernel pages.   Don't bother to flush the global pages
-	 * as that will happen when I fully switch to my identity mapped
-	 * page table anyway.
-	 */
-	memcpy(__va(read_cr3()), __va(start_pgtable), PAGE_SIZE/2);
-	__flush_tlb();
-
+	control_page = page_address(image->control_code_page) + PAGE_SIZE;
+	memcpy(control_page, relocate_kernel, PAGE_SIZE);
+
+	page_list[PA_CONTROL_PAGE] = __pa(control_page);
+	page_list[VA_CONTROL_PAGE] = (unsigned long)relocate_kernel;
+	page_list[PA_PGD] = __pa(kexec_pgd);
+	page_list[VA_PGD] = (unsigned long)kexec_pgd;
+	page_list[PA_PUD_0] = __pa(kexec_pud0);
+	page_list[VA_PUD_0] = (unsigned long)kexec_pud0;
+	page_list[PA_PMD_0] = __pa(kexec_pmd0);
+	page_list[VA_PMD_0] = (unsigned long)kexec_pmd0;
+	page_list[PA_PTE_0] = __pa(kexec_pte0);
+	page_list[VA_PTE_0] = (unsigned long)kexec_pte0;
+	page_list[PA_PUD_1] = __pa(kexec_pud1);
+	page_list[VA_PUD_1] = (unsigned long)kexec_pud1;
+	page_list[PA_PMD_1] = __pa(kexec_pmd1);
+	page_list[VA_PMD_1] = (unsigned long)kexec_pmd1;
+	page_list[PA_PTE_1] = __pa(kexec_pte1);
+	page_list[VA_PTE_1] = (unsigned long)kexec_pte1;
+
+	page_list[PA_TABLE_PAGE] =
+	  (unsigned long)__pa(page_address(image->control_code_page));
 
 	/* The segment registers are funny things, they have both a
 	 * visible and an invisible part.  Whenever the visible part is
@@ -222,7 +224,36 @@ NORET_TYPE void machine_kexec(struct kimage *image)
 	 */
 	set_gdt(phys_to_virt(0),0);
 	set_idt(phys_to_virt(0),0);
+
 	/* now call it */
-	rnk = (relocate_new_kernel_t) control_code_buffer;
-	(*rnk)(page_list, control_code_buffer, image->start, start_pgtable);
+	relocate_kernel((unsigned long)image->head, (unsigned long)page_list,
+			image->start);
 }
+
+/* crashkernel=size@addr specifies the location to reserve for
+ * a crash kernel.  By reserving this memory we guarantee
+ * that linux never set's it up as a DMA target.
+ * Useful for holding code to do something appropriate
+ * after a kernel panic.
+ */
+static int __init setup_crashkernel(char *arg)
+{
+	unsigned long size, base;
+	char *p;
+	if (!arg)
+		return -EINVAL;
+	size = memparse(arg, &p);
+	if (arg == p)
+		return -EINVAL;
+	if (*p == '@') {
+		base = memparse(p+1, &p);
+		/* FIXME: Do I want a sanity check to validate the
+		 * memory range?  Yes you do, but it's too early for
+		 * e820 -AK */
+		crashk_res.start = base;
+		crashk_res.end   = base + size - 1;
+	}
+	return 0;
+}
+early_param("crashkernel", setup_crashkernel);
+
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c
index 4e017fb30fb3..bbea88801d88 100644
--- a/arch/x86_64/kernel/mce.c
+++ b/arch/x86_64/kernel/mce.c
@@ -182,7 +182,7 @@ void do_machine_check(struct pt_regs * regs, long error_code)
 		goto out2;
 
 	memset(&m, 0, sizeof(struct mce));
-	m.cpu = safe_smp_processor_id();
+	m.cpu = smp_processor_id();
 	rdmsrl(MSR_IA32_MCG_STATUS, m.mcgstatus);
 	if (!(m.mcgstatus & MCG_STATUS_RIPV))
 		kill_it = 1;
@@ -274,6 +274,33 @@ void do_machine_check(struct pt_regs * regs, long error_code)
 	atomic_dec(&mce_entry);
 }
 
+#ifdef CONFIG_X86_MCE_INTEL
+/***
+ * mce_log_therm_throt_event - Logs the thermal throttling event to mcelog
+ * @cpu: The CPU on which the event occured.
+ * @status: Event status information
+ *
+ * This function should be called by the thermal interrupt after the
+ * event has been processed and the decision was made to log the event
+ * further.
+ *
+ * The status parameter will be saved to the 'status' field of 'struct mce'
+ * and historically has been the register value of the
+ * MSR_IA32_THERMAL_STATUS (Intel) msr.
+ */
+void mce_log_therm_throt_event(unsigned int cpu, __u64 status)
+{
+	struct mce m;
+
+	memset(&m, 0, sizeof(m));
+	m.cpu = cpu;
+	m.bank = MCE_THERMAL_BANK;
+	m.status = status;
+	rdtscll(m.tsc);
+	mce_log(&m);
+}
+#endif /* CONFIG_X86_MCE_INTEL */
+
 /*
  * Periodic polling timer for "silent" machine check errors.
  */
diff --git a/arch/x86_64/kernel/mce_intel.c b/arch/x86_64/kernel/mce_intel.c
index 8f533d2c40cb..6551505d8a2c 100644
--- a/arch/x86_64/kernel/mce_intel.c
+++ b/arch/x86_64/kernel/mce_intel.c
@@ -11,36 +11,21 @@
 #include <asm/mce.h>
 #include <asm/hw_irq.h>
 #include <asm/idle.h>
-
-static DEFINE_PER_CPU(unsigned long, next_check);
+#include <asm/therm_throt.h>
 
 asmlinkage void smp_thermal_interrupt(void)
 {
-	struct mce m;
+	__u64 msr_val;
 
 	ack_APIC_irq();
 
 	exit_idle();
 	irq_enter();
-	if (time_before(jiffies, __get_cpu_var(next_check)))
-		goto done;
-
-	__get_cpu_var(next_check) = jiffies + HZ*300;
-	memset(&m, 0, sizeof(m));
-	m.cpu = smp_processor_id();
-	m.bank = MCE_THERMAL_BANK;
-	rdtscll(m.tsc);
-	rdmsrl(MSR_IA32_THERM_STATUS, m.status);
-	if (m.status & 0x1) {
-		printk(KERN_EMERG
-			"CPU%d: Temperature above threshold, cpu clock throttled\n", m.cpu);
-		add_taint(TAINT_MACHINE_CHECK);
-	} else {
-		printk(KERN_EMERG "CPU%d: Temperature/speed normal\n", m.cpu);
-	}
 
-	mce_log(&m);
-done:
+	rdmsrl(MSR_IA32_THERM_STATUS, msr_val);
+	if (therm_throt_process(msr_val & 1))
+		mce_log_therm_throt_event(smp_processor_id(), msr_val);
+
 	irq_exit();
 }
 
@@ -92,6 +77,9 @@ static void __cpuinit intel_init_thermal(struct cpuinfo_x86 *c)
 	apic_write(APIC_LVTTHMR, l & ~APIC_LVT_MASKED);
 	printk(KERN_INFO "CPU%d: Thermal monitoring enabled (%s)\n",
 		cpu, tm2 ? "TM2" : "TM1");
+
+	/* enable thermal throttle processing */
+	atomic_set(&therm_throt_en, 1);
 	return;
 }
 
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index a1ab4197f8a1..20e88f4b564b 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -41,8 +41,7 @@ int acpi_found_madt;
  * Various Linux-internal data structures created from the
  * MP-table.
  */
-unsigned char apic_version [MAX_APICS];
-unsigned char mp_bus_id_to_type [MAX_MP_BUSSES] = { [0 ... MAX_MP_BUSSES-1] = -1 };
+DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
 int mp_bus_id_to_pci_bus [MAX_MP_BUSSES] = { [0 ... MAX_MP_BUSSES-1] = -1 };
 
 static int mp_current_pci_id = 0;
@@ -56,7 +55,6 @@ struct mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES];
 int mp_irq_entries;
 
 int nr_ioapics;
-int pic_mode;
 unsigned long mp_lapic_addr = 0;
 
 
@@ -71,19 +69,6 @@ unsigned disabled_cpus __initdata;
 /* Bitmask of physically existing CPUs */
 physid_mask_t phys_cpu_present_map = PHYSID_MASK_NONE;
 
-/* ACPI MADT entry parsing functions */
-#ifdef CONFIG_ACPI
-extern struct acpi_boot_flags acpi_boot;
-#ifdef CONFIG_X86_LOCAL_APIC
-extern int acpi_parse_lapic (acpi_table_entry_header *header);
-extern int acpi_parse_lapic_addr_ovr (acpi_table_entry_header *header);
-extern int acpi_parse_lapic_nmi (acpi_table_entry_header *header);
-#endif /*CONFIG_X86_LOCAL_APIC*/
-#ifdef CONFIG_X86_IO_APIC
-extern int acpi_parse_ioapic (acpi_table_entry_header *header);
-#endif /*CONFIG_X86_IO_APIC*/
-#endif /*CONFIG_ACPI*/
-
 u8 bios_cpu_apicid[NR_CPUS] = { [0 ... NR_CPUS-1] = BAD_APICID };
 
 
@@ -108,24 +93,20 @@ static int __init mpf_checksum(unsigned char *mp, int len)
 static void __cpuinit MP_processor_info (struct mpc_config_processor *m)
 {
 	int cpu;
-	unsigned char ver;
 	cpumask_t tmp_map;
+	char *bootup_cpu = "";
 
 	if (!(m->mpc_cpuflag & CPU_ENABLED)) {
 		disabled_cpus++;
 		return;
 	}
-
-	printk(KERN_INFO "Processor #%d %d:%d APIC version %d\n",
-		m->mpc_apicid,
-	       (m->mpc_cpufeature & CPU_FAMILY_MASK)>>8,
-	       (m->mpc_cpufeature & CPU_MODEL_MASK)>>4,
-		m->mpc_apicver);
-
 	if (m->mpc_cpuflag & CPU_BOOTPROCESSOR) {
-		Dprintk("    Bootup CPU\n");
+		bootup_cpu = " (Bootup-CPU)";
 		boot_cpu_id = m->mpc_apicid;
 	}
+
+	printk(KERN_INFO "Processor #%d%s\n", m->mpc_apicid, bootup_cpu);
+
 	if (num_processors >= NR_CPUS) {
 		printk(KERN_WARNING "WARNING: NR_CPUS limit of %i reached."
 			" Processor ignored.\n", NR_CPUS);
@@ -136,24 +117,7 @@ static void __cpuinit MP_processor_info (struct mpc_config_processor *m)
 	cpus_complement(tmp_map, cpu_present_map);
 	cpu = first_cpu(tmp_map);
 
-#if MAX_APICS < 255	
-	if ((int)m->mpc_apicid > MAX_APICS) {
-		printk(KERN_ERR "Processor #%d INVALID. (Max ID: %d).\n",
-			m->mpc_apicid, MAX_APICS);
-		return;
-	}
-#endif
-	ver = m->mpc_apicver;
-
 	physid_set(m->mpc_apicid, phys_cpu_present_map);
-	/*
-	 * Validate version
-	 */
-	if (ver == 0x0) {
-		printk(KERN_ERR "BIOS bug, APIC version is 0 for CPU#%d! fixing up to 0x10. (tell your hw vendor)\n", m->mpc_apicid);
-		ver = 0x10;
-	}
-	apic_version[m->mpc_apicid] = ver;
  	if (m->mpc_cpuflag & CPU_BOOTPROCESSOR) {
  		/*
  		 * bios_cpu_apicid is required to have processors listed
@@ -178,15 +142,11 @@ static void __init MP_bus_info (struct mpc_config_bus *m)
 	Dprintk("Bus #%d is %s\n", m->mpc_busid, str);
 
 	if (strncmp(str, "ISA", 3) == 0) {
-		mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA;
-	} else if (strncmp(str, "EISA", 4) == 0) {
-		mp_bus_id_to_type[m->mpc_busid] = MP_BUS_EISA;
+		set_bit(m->mpc_busid, mp_bus_not_pci);
 	} else if (strncmp(str, "PCI", 3) == 0) {
-		mp_bus_id_to_type[m->mpc_busid] = MP_BUS_PCI;
+		clear_bit(m->mpc_busid, mp_bus_not_pci);
 		mp_bus_id_to_pci_bus[m->mpc_busid] = mp_current_pci_id;
 		mp_current_pci_id++;
-	} else if (strncmp(str, "MCA", 3) == 0) {
-		mp_bus_id_to_type[m->mpc_busid] = MP_BUS_MCA;
 	} else {
 		printk(KERN_ERR "Unknown bustype %s\n", str);
 	}
@@ -197,8 +157,8 @@ static void __init MP_ioapic_info (struct mpc_config_ioapic *m)
 	if (!(m->mpc_flags & MPC_APIC_USABLE))
 		return;
 
-	printk("I/O APIC #%d Version %d at 0x%X.\n",
-		m->mpc_apicid, m->mpc_apicver, m->mpc_apicaddr);
+	printk("I/O APIC #%d at 0x%X.\n",
+		m->mpc_apicid, m->mpc_apicaddr);
 	if (nr_ioapics >= MAX_IO_APICS) {
 		printk(KERN_ERR "Max # of I/O APICs (%d) exceeded (found %d).\n",
 			MAX_IO_APICS, nr_ioapics);
@@ -232,19 +192,6 @@ static void __init MP_lintsrc_info (struct mpc_config_lintsrc *m)
 			m->mpc_irqtype, m->mpc_irqflag & 3,
 			(m->mpc_irqflag >> 2) &3, m->mpc_srcbusid,
 			m->mpc_srcbusirq, m->mpc_destapic, m->mpc_destapiclint);
-	/*
-	 * Well it seems all SMP boards in existence
-	 * use ExtINT/LVT1 == LINT0 and
-	 * NMI/LVT2 == LINT1 - the following check
-	 * will show us if this assumptions is false.
-	 * Until then we do not have to add baggage.
-	 */
-	if ((m->mpc_irqtype == mp_ExtINT) &&
-		(m->mpc_destapiclint != 0))
-			BUG();
-	if ((m->mpc_irqtype == mp_NMI) &&
-		(m->mpc_destapiclint != 1))
-			BUG();
 }
 
 /*
@@ -258,7 +205,7 @@ static int __init smp_read_mpc(struct mp_config_table *mpc)
 	unsigned char *mpt=((unsigned char *)mpc)+count;
 
 	if (memcmp(mpc->mpc_signature,MPC_SIGNATURE,4)) {
-		printk("SMP mptable: bad signature [%c%c%c%c]!\n",
+		printk("MPTABLE: bad signature [%c%c%c%c]!\n",
 			mpc->mpc_signature[0],
 			mpc->mpc_signature[1],
 			mpc->mpc_signature[2],
@@ -266,31 +213,31 @@ static int __init smp_read_mpc(struct mp_config_table *mpc)
 		return 0;
 	}
 	if (mpf_checksum((unsigned char *)mpc,mpc->mpc_length)) {
-		printk("SMP mptable: checksum error!\n");
+		printk("MPTABLE: checksum error!\n");
 		return 0;
 	}
 	if (mpc->mpc_spec!=0x01 && mpc->mpc_spec!=0x04) {
-		printk(KERN_ERR "SMP mptable: bad table version (%d)!!\n",
+		printk(KERN_ERR "MPTABLE: bad table version (%d)!!\n",
 			mpc->mpc_spec);
 		return 0;
 	}
 	if (!mpc->mpc_lapic) {
-		printk(KERN_ERR "SMP mptable: null local APIC address!\n");
+		printk(KERN_ERR "MPTABLE: null local APIC address!\n");
 		return 0;
 	}
 	memcpy(str,mpc->mpc_oem,8);
-	str[8]=0;
-	printk(KERN_INFO "OEM ID: %s ",str);
+	str[8] = 0;
+	printk(KERN_INFO "MPTABLE: OEM ID: %s ",str);
 
 	memcpy(str,mpc->mpc_productid,12);
-	str[12]=0;
-	printk("Product ID: %s ",str);
+	str[12] = 0;
+	printk("MPTABLE: Product ID: %s ",str);
 
-	printk("APIC at: 0x%X\n",mpc->mpc_lapic);
+	printk("MPTABLE: APIC at: 0x%X\n",mpc->mpc_lapic);
 
 	/* save the local APIC address, it might be non-default */
 	if (!acpi_lapic)
-	mp_lapic_addr = mpc->mpc_lapic;
+		mp_lapic_addr = mpc->mpc_lapic;
 
 	/*
 	 *	Now process the configuration blocks.
@@ -302,7 +249,7 @@ static int __init smp_read_mpc(struct mp_config_table *mpc)
 				struct mpc_config_processor *m=
 					(struct mpc_config_processor *)mpt;
 				if (!acpi_lapic)
-				MP_processor_info(m);
+					MP_processor_info(m);
 				mpt += sizeof(*m);
 				count += sizeof(*m);
 				break;
@@ -321,8 +268,8 @@ static int __init smp_read_mpc(struct mp_config_table *mpc)
 				struct mpc_config_ioapic *m=
 					(struct mpc_config_ioapic *)mpt;
 				MP_ioapic_info(m);
-				mpt+=sizeof(*m);
-				count+=sizeof(*m);
+				mpt += sizeof(*m);
+				count += sizeof(*m);
 				break;
 			}
 			case MP_INTSRC:
@@ -331,8 +278,8 @@ static int __init smp_read_mpc(struct mp_config_table *mpc)
 					(struct mpc_config_intsrc *)mpt;
 
 				MP_intsrc_info(m);
-				mpt+=sizeof(*m);
-				count+=sizeof(*m);
+				mpt += sizeof(*m);
+				count += sizeof(*m);
 				break;
 			}
 			case MP_LINTSRC:
@@ -340,15 +287,15 @@ static int __init smp_read_mpc(struct mp_config_table *mpc)
 				struct mpc_config_lintsrc *m=
 					(struct mpc_config_lintsrc *)mpt;
 				MP_lintsrc_info(m);
-				mpt+=sizeof(*m);
-				count+=sizeof(*m);
+				mpt += sizeof(*m);
+				count += sizeof(*m);
 				break;
 			}
 		}
 	}
 	clustered_apic_check();
 	if (!num_processors)
-		printk(KERN_ERR "SMP mptable: no processors registered!\n");
+		printk(KERN_ERR "MPTABLE: no processors registered!\n");
 	return num_processors;
 }
 
@@ -444,13 +391,10 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
 	 * 2 CPUs, numbered 0 & 1.
 	 */
 	processor.mpc_type = MP_PROCESSOR;
-	/* Either an integrated APIC or a discrete 82489DX. */
-	processor.mpc_apicver = mpc_default_type > 4 ? 0x10 : 0x01;
+	processor.mpc_apicver = 0;
 	processor.mpc_cpuflag = CPU_ENABLED;
-	processor.mpc_cpufeature = (boot_cpu_data.x86 << 8) |
-				   (boot_cpu_data.x86_model << 4) |
-				   boot_cpu_data.x86_mask;
-	processor.mpc_featureflag = boot_cpu_data.x86_capability[0];
+	processor.mpc_cpufeature = 0;
+	processor.mpc_featureflag = 0;
 	processor.mpc_reserved[0] = 0;
 	processor.mpc_reserved[1] = 0;
 	for (i = 0; i < 2; i++) {
@@ -469,14 +413,6 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
 		case 5:
 			memcpy(bus.mpc_bustype, "ISA   ", 6);
 			break;
-		case 2:
-		case 6:
-		case 3:
-			memcpy(bus.mpc_bustype, "EISA  ", 6);
-			break;
-		case 4:
-		case 7:
-			memcpy(bus.mpc_bustype, "MCA   ", 6);
 	}
 	MP_bus_info(&bus);
 	if (mpc_default_type > 4) {
@@ -487,7 +423,7 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
 
 	ioapic.mpc_type = MP_IOAPIC;
 	ioapic.mpc_apicid = 2;
-	ioapic.mpc_apicver = mpc_default_type > 4 ? 0x10 : 0x01;
+	ioapic.mpc_apicver = 0;
 	ioapic.mpc_flags = MPC_APIC_USABLE;
 	ioapic.mpc_apicaddr = 0xFEC00000;
 	MP_ioapic_info(&ioapic);
@@ -530,13 +466,6 @@ void __init get_smp_config (void)
  		printk(KERN_INFO "Using ACPI for processor (LAPIC) configuration information\n");
 
 	printk("Intel MultiProcessor Specification v1.%d\n", mpf->mpf_specification);
-	if (mpf->mpf_feature2 & (1<<7)) {
-		printk(KERN_INFO "    IMCR and PIC compatibility mode.\n");
-		pic_mode = 1;
-	} else {
-		printk(KERN_INFO "    Virtual Wire compatibility mode.\n");
-		pic_mode = 0;
-	}
 
 	/*
 	 * Now see if we need to read further.
@@ -616,7 +545,7 @@ static int __init smp_scan_config (unsigned long base, unsigned long length)
 	return 0;
 }
 
-void __init find_intel_smp (void)
+void __init find_smp_config(void)
 {
 	unsigned int address;
 
@@ -633,9 +562,7 @@ void __init find_intel_smp (void)
 			smp_scan_config(0xF0000,0x10000))
 		return;
 	/*
-	 * If it is an SMP machine we should know now, unless the
-	 * configuration is in an EISA/MCA bus machine with an
-	 * extended bios data area.
+	 * If it is an SMP machine we should know now.
 	 *
 	 * there is a real-mode segmented pointer pointing to the
 	 * 4K EBDA area at 0x40E, calculate and scan it here.
@@ -656,69 +583,41 @@ void __init find_intel_smp (void)
 	 printk(KERN_INFO "No mptable found.\n");
 }
 
-/*
- * - Intel MP Configuration Table
- */
-void __init find_smp_config (void)
-{
-#ifdef CONFIG_X86_LOCAL_APIC
-	find_intel_smp();
-#endif
-}
-
-
 /* --------------------------------------------------------------------------
                             ACPI-based MP Configuration
    -------------------------------------------------------------------------- */
 
 #ifdef CONFIG_ACPI
 
-void __init mp_register_lapic_address (
-	u64			address)
+void __init mp_register_lapic_address(u64 address)
 {
 	mp_lapic_addr = (unsigned long) address;
-
 	set_fixmap_nocache(FIX_APIC_BASE, mp_lapic_addr);
-
 	if (boot_cpu_id == -1U)
 		boot_cpu_id = GET_APIC_ID(apic_read(APIC_ID));
-
-	Dprintk("Boot CPU = %d\n", boot_cpu_physical_apicid);
 }
 
-
-void __cpuinit mp_register_lapic (
-	u8			id, 
-	u8			enabled)
+void __cpuinit mp_register_lapic (u8 id, u8 enabled)
 {
 	struct mpc_config_processor processor;
 	int			boot_cpu = 0;
 	
-	if (id >= MAX_APICS) {
-		printk(KERN_WARNING "Processor #%d invalid (max %d)\n",
-			id, MAX_APICS);
-		return;
-	}
-
-	if (id == boot_cpu_physical_apicid)
+	if (id == boot_cpu_id)
 		boot_cpu = 1;
 
 	processor.mpc_type = MP_PROCESSOR;
 	processor.mpc_apicid = id;
-	processor.mpc_apicver = GET_APIC_VERSION(apic_read(APIC_LVR));
+	processor.mpc_apicver = 0;
 	processor.mpc_cpuflag = (enabled ? CPU_ENABLED : 0);
 	processor.mpc_cpuflag |= (boot_cpu ? CPU_BOOTPROCESSOR : 0);
-	processor.mpc_cpufeature = (boot_cpu_data.x86 << 8) | 
-		(boot_cpu_data.x86_model << 4) | boot_cpu_data.x86_mask;
-	processor.mpc_featureflag = boot_cpu_data.x86_capability[0];
+	processor.mpc_cpufeature = 0;
+	processor.mpc_featureflag = 0;
 	processor.mpc_reserved[0] = 0;
 	processor.mpc_reserved[1] = 0;
 
 	MP_processor_info(&processor);
 }
 
-#ifdef CONFIG_X86_IO_APIC
-
 #define MP_ISA_BUS		0
 #define MP_MAX_IOAPIC_PIN	127
 
@@ -729,11 +628,9 @@ static struct mp_ioapic_routing {
 	u32			pin_programmed[4];
 } mp_ioapic_routing[MAX_IO_APICS];
 
-
-static int mp_find_ioapic (
-	int			gsi)
+static int mp_find_ioapic(int gsi)
 {
-	int			i = 0;
+	int i = 0;
 
 	/* Find the IOAPIC that manages this GSI. */
 	for (i = 0; i < nr_ioapics; i++) {
@@ -743,17 +640,12 @@ static int mp_find_ioapic (
 	}
 
 	printk(KERN_ERR "ERROR: Unable to locate IOAPIC for GSI %d\n", gsi);
-
 	return -1;
 }
-	
 
-void __init mp_register_ioapic (
-	u8			id, 
-	u32			address,
-	u32			gsi_base)
+void __init mp_register_ioapic(u8 id, u32 address, u32 gsi_base)
 {
-	int			idx = 0;
+	int idx = 0;
 
 	if (nr_ioapics >= MAX_IO_APICS) {
 		printk(KERN_ERR "ERROR: Max # of I/O APICs (%d) exceeded "
@@ -774,7 +666,7 @@ void __init mp_register_ioapic (
 
 	set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
 	mp_ioapics[idx].mpc_apicid = id;
-	mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx);
+	mp_ioapics[idx].mpc_apicver = 0;
 	
 	/* 
 	 * Build basic IRQ lookup table to facilitate gsi->io_apic lookups
@@ -785,21 +677,15 @@ void __init mp_register_ioapic (
 	mp_ioapic_routing[idx].gsi_end = gsi_base + 
 		io_apic_get_redir_entries(idx);
 
-	printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
+	printk(KERN_INFO "IOAPIC[%d]: apic_id %d, address 0x%x, "
 		"GSI %d-%d\n", idx, mp_ioapics[idx].mpc_apicid, 
-		mp_ioapics[idx].mpc_apicver, mp_ioapics[idx].mpc_apicaddr,
+		mp_ioapics[idx].mpc_apicaddr,
 		mp_ioapic_routing[idx].gsi_start,
 		mp_ioapic_routing[idx].gsi_end);
-
-	return;
 }
 
-
-void __init mp_override_legacy_irq (
-	u8			bus_irq,
-	u8			polarity, 
-	u8			trigger, 
-	u32			gsi)
+void __init
+mp_override_legacy_irq(u8 bus_irq, u8 polarity, u8 trigger, u32	gsi)
 {
 	struct mpc_config_intsrc intsrc;
 	int			ioapic = -1;
@@ -837,22 +723,18 @@ void __init mp_override_legacy_irq (
 	mp_irqs[mp_irq_entries] = intsrc;
 	if (++mp_irq_entries == MAX_IRQ_SOURCES)
 		panic("Max # of irq sources exceeded!\n");
-
-	return;
 }
 
-
-void __init mp_config_acpi_legacy_irqs (void)
+void __init mp_config_acpi_legacy_irqs(void)
 {
 	struct mpc_config_intsrc intsrc;
-	int			i = 0;
-	int			ioapic = -1;
+	int i = 0;
+	int ioapic = -1;
 
 	/* 
 	 * Fabricate the legacy ISA bus (bus #31).
 	 */
-	mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA;
-	Dprintk("Bus #%d is ISA\n", MP_ISA_BUS);
+	set_bit(MP_ISA_BUS, mp_bus_not_pci);
 
 	/* 
 	 * Locate the IOAPIC that manages the ISA IRQs (0-15). 
@@ -905,24 +787,22 @@ void __init mp_config_acpi_legacy_irqs (void)
 		if (++mp_irq_entries == MAX_IRQ_SOURCES)
 			panic("Max # of irq sources exceeded!\n");
 	}
-
-	return;
 }
 
 #define MAX_GSI_NUM	4096
 
 int mp_register_gsi(u32 gsi, int triggering, int polarity)
 {
-	int			ioapic = -1;
-	int			ioapic_pin = 0;
-	int			idx, bit = 0;
-	static int		pci_irq = 16;
+	int ioapic = -1;
+	int ioapic_pin = 0;
+	int idx, bit = 0;
+	static int pci_irq = 16;
 	/*
 	 * Mapping between Global System Interrupts, which
 	 * represent all possible interrupts, to the IRQs
 	 * assigned to actual devices.
 	 */
-	static int		gsi_to_irq[MAX_GSI_NUM];
+	static int gsi_to_irq[MAX_GSI_NUM];
 
 	if (acpi_irq_model != ACPI_IRQ_MODEL_IOAPIC)
 		return gsi;
@@ -996,6 +876,4 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
 		polarity == ACPI_ACTIVE_HIGH ? 0 : 1);
 	return gsi;
 }
-
-#endif /*CONFIG_X86_IO_APIC*/
 #endif /*CONFIG_ACPI*/
diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c
index 5baa0c726e97..4d6fb047952e 100644
--- a/arch/x86_64/kernel/nmi.c
+++ b/arch/x86_64/kernel/nmi.c
@@ -28,71 +28,138 @@
 #include <asm/mce.h>
 #include <asm/intel_arch_perfmon.h>
 
-/*
- * lapic_nmi_owner tracks the ownership of the lapic NMI hardware:
- * - it may be reserved by some other driver, or not
- * - when not reserved by some other driver, it may be used for
- *   the NMI watchdog, or not
- *
- * This is maintained separately from nmi_active because the NMI
- * watchdog may also be driven from the I/O APIC timer.
+/* perfctr_nmi_owner tracks the ownership of the perfctr registers:
+ * evtsel_nmi_owner tracks the ownership of the event selection
+ * - different performance counters/ event selection may be reserved for
+ *   different subsystems this reservation system just tries to coordinate
+ *   things a little
  */
-static DEFINE_SPINLOCK(lapic_nmi_owner_lock);
-static unsigned int lapic_nmi_owner;
-#define LAPIC_NMI_WATCHDOG	(1<<0)
-#define LAPIC_NMI_RESERVED	(1<<1)
+static DEFINE_PER_CPU(unsigned, perfctr_nmi_owner);
+static DEFINE_PER_CPU(unsigned, evntsel_nmi_owner[2]);
+
+/* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's
+ * offset from MSR_P4_BSU_ESCR0.  It will be the max for all platforms (for now)
+ */
+#define NMI_MAX_COUNTER_BITS 66
 
 /* nmi_active:
- * +1: the lapic NMI watchdog is active, but can be disabled
- *  0: the lapic NMI watchdog has not been set up, and cannot
+ * >0: the lapic NMI watchdog is active, but can be disabled
+ * <0: the lapic NMI watchdog has not been set up, and cannot
  *     be enabled
- * -1: the lapic NMI watchdog is disabled, but can be enabled
+ *  0: the lapic NMI watchdog is disabled, but can be enabled
  */
-int nmi_active;		/* oprofile uses this */
+atomic_t nmi_active = ATOMIC_INIT(0);		/* oprofile uses this */
 int panic_on_timeout;
 
 unsigned int nmi_watchdog = NMI_DEFAULT;
 static unsigned int nmi_hz = HZ;
-static unsigned int nmi_perfctr_msr;	/* the MSR to reset in NMI handler */
-static unsigned int nmi_p4_cccr_val;
 
-/* Note that these events don't tick when the CPU idles. This means
-   the frequency varies with CPU load. */
+struct nmi_watchdog_ctlblk {
+	int enabled;
+	u64 check_bit;
+	unsigned int cccr_msr;
+	unsigned int perfctr_msr;  /* the MSR to reset in NMI handler */
+	unsigned int evntsel_msr;  /* the MSR to select the events to handle */
+};
+static DEFINE_PER_CPU(struct nmi_watchdog_ctlblk, nmi_watchdog_ctlblk);
 
-#define K7_EVNTSEL_ENABLE	(1 << 22)
-#define K7_EVNTSEL_INT		(1 << 20)
-#define K7_EVNTSEL_OS		(1 << 17)
-#define K7_EVNTSEL_USR		(1 << 16)
-#define K7_EVENT_CYCLES_PROCESSOR_IS_RUNNING	0x76
-#define K7_NMI_EVENT		K7_EVENT_CYCLES_PROCESSOR_IS_RUNNING
+/* local prototypes */
+static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu);
 
-#define ARCH_PERFMON_NMI_EVENT_SEL	ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL
-#define ARCH_PERFMON_NMI_EVENT_UMASK	ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK
+/* converts an msr to an appropriate reservation bit */
+static inline unsigned int nmi_perfctr_msr_to_bit(unsigned int msr)
+{
+	/* returns the bit offset of the performance counter register */
+	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_AMD:
+		return (msr - MSR_K7_PERFCTR0);
+	case X86_VENDOR_INTEL:
+		if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON))
+			return (msr - MSR_ARCH_PERFMON_PERFCTR0);
+		else
+			return (msr - MSR_P4_BPU_PERFCTR0);
+	}
+	return 0;
+}
 
-#define MSR_P4_MISC_ENABLE	0x1A0
-#define MSR_P4_MISC_ENABLE_PERF_AVAIL	(1<<7)
-#define MSR_P4_MISC_ENABLE_PEBS_UNAVAIL	(1<<12)
-#define MSR_P4_PERFCTR0		0x300
-#define MSR_P4_CCCR0		0x360
-#define P4_ESCR_EVENT_SELECT(N)	((N)<<25)
-#define P4_ESCR_OS		(1<<3)
-#define P4_ESCR_USR		(1<<2)
-#define P4_CCCR_OVF_PMI0	(1<<26)
-#define P4_CCCR_OVF_PMI1	(1<<27)
-#define P4_CCCR_THRESHOLD(N)	((N)<<20)
-#define P4_CCCR_COMPLEMENT	(1<<19)
-#define P4_CCCR_COMPARE		(1<<18)
-#define P4_CCCR_REQUIRED	(3<<16)
-#define P4_CCCR_ESCR_SELECT(N)	((N)<<13)
-#define P4_CCCR_ENABLE		(1<<12)
-/* Set up IQ_COUNTER0 to behave like a clock, by having IQ_CCCR0 filter
-   CRU_ESCR0 (with any non-null event selector) through a complemented
-   max threshold. [IA32-Vol3, Section 14.9.9] */
-#define MSR_P4_IQ_COUNTER0	0x30C
-#define P4_NMI_CRU_ESCR0	(P4_ESCR_EVENT_SELECT(0x3F)|P4_ESCR_OS|P4_ESCR_USR)
-#define P4_NMI_IQ_CCCR0	\
-	(P4_CCCR_OVF_PMI0|P4_CCCR_THRESHOLD(15)|P4_CCCR_COMPLEMENT|	\
-	 P4_CCCR_COMPARE|P4_CCCR_REQUIRED|P4_CCCR_ESCR_SELECT(4)|P4_CCCR_ENABLE)
+/* converts an msr to an appropriate reservation bit */
+static inline unsigned int nmi_evntsel_msr_to_bit(unsigned int msr)
+{
+	/* returns the bit offset of the event selection register */
+	switch (boot_cpu_data.x86_vendor) {
+	case X86_VENDOR_AMD:
+		return (msr - MSR_K7_EVNTSEL0);
+	case X86_VENDOR_INTEL:
+		if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON))
+			return (msr - MSR_ARCH_PERFMON_EVENTSEL0);
+		else
+			return (msr - MSR_P4_BSU_ESCR0);
+	}
+	return 0;
+}
+
+/* checks for a bit availability (hack for oprofile) */
+int avail_to_resrv_perfctr_nmi_bit(unsigned int counter)
+{
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	return (!test_bit(counter, &__get_cpu_var(perfctr_nmi_owner)));
+}
+
+/* checks the an msr for availability */
+int avail_to_resrv_perfctr_nmi(unsigned int msr)
+{
+	unsigned int counter;
+
+	counter = nmi_perfctr_msr_to_bit(msr);
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	return (!test_bit(counter, &__get_cpu_var(perfctr_nmi_owner)));
+}
+
+int reserve_perfctr_nmi(unsigned int msr)
+{
+	unsigned int counter;
+
+	counter = nmi_perfctr_msr_to_bit(msr);
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	if (!test_and_set_bit(counter, &__get_cpu_var(perfctr_nmi_owner)))
+		return 1;
+	return 0;
+}
+
+void release_perfctr_nmi(unsigned int msr)
+{
+	unsigned int counter;
+
+	counter = nmi_perfctr_msr_to_bit(msr);
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	clear_bit(counter, &__get_cpu_var(perfctr_nmi_owner));
+}
+
+int reserve_evntsel_nmi(unsigned int msr)
+{
+	unsigned int counter;
+
+	counter = nmi_evntsel_msr_to_bit(msr);
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	if (!test_and_set_bit(counter, &__get_cpu_var(evntsel_nmi_owner)))
+		return 1;
+	return 0;
+}
+
+void release_evntsel_nmi(unsigned int msr)
+{
+	unsigned int counter;
+
+	counter = nmi_evntsel_msr_to_bit(msr);
+	BUG_ON(counter > NMI_MAX_COUNTER_BITS);
+
+	clear_bit(counter, &__get_cpu_var(evntsel_nmi_owner));
+}
 
 static __cpuinit inline int nmi_known_cpu(void)
 {
@@ -109,7 +176,7 @@ static __cpuinit inline int nmi_known_cpu(void)
 }
 
 /* Run after command line and cpu_init init, but before all other checks */
-void __cpuinit nmi_watchdog_default(void)
+void nmi_watchdog_default(void)
 {
 	if (nmi_watchdog != NMI_DEFAULT)
 		return;
@@ -145,6 +212,12 @@ int __init check_nmi_watchdog (void)
 	int *counts;
 	int cpu;
 
+	if ((nmi_watchdog == NMI_NONE) || (nmi_watchdog == NMI_DEFAULT))
+		return 0;
+
+	if (!atomic_read(&nmi_active))
+		return 0;
+
 	counts = kmalloc(NR_CPUS * sizeof(int), GFP_KERNEL);
 	if (!counts)
 		return -1;
@@ -162,26 +235,43 @@ int __init check_nmi_watchdog (void)
 	mdelay((10*1000)/nmi_hz); // wait 10 ticks
 
 	for_each_online_cpu(cpu) {
+		if (!per_cpu(nmi_watchdog_ctlblk, cpu).enabled)
+			continue;
 		if (cpu_pda(cpu)->__nmi_count - counts[cpu] <= 5) {
-			endflag = 1;
 			printk("CPU#%d: NMI appears to be stuck (%d->%d)!\n",
 			       cpu,
 			       counts[cpu],
 			       cpu_pda(cpu)->__nmi_count);
-			nmi_active = 0;
-			lapic_nmi_owner &= ~LAPIC_NMI_WATCHDOG;
-			nmi_perfctr_msr = 0;
-			kfree(counts);
-			return -1;
+			per_cpu(nmi_watchdog_ctlblk, cpu).enabled = 0;
+			atomic_dec(&nmi_active);
 		}
 	}
+	if (!atomic_read(&nmi_active)) {
+		kfree(counts);
+		atomic_set(&nmi_active, -1);
+		return -1;
+	}
 	endflag = 1;
 	printk("OK.\n");
 
 	/* now that we know it works we can reduce NMI frequency to
 	   something more reasonable; makes a difference in some configs */
-	if (nmi_watchdog == NMI_LOCAL_APIC)
+	if (nmi_watchdog == NMI_LOCAL_APIC) {
+		struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
 		nmi_hz = 1;
+		/*
+		 * On Intel CPUs with ARCH_PERFMON only 32 bits in the counter
+		 * are writable, with higher bits sign extending from bit 31.
+		 * So, we can only program the counter with 31 bit values and
+		 * 32nd bit should be 1, for 33.. to be 1.
+		 * Find the appropriate nmi_hz
+		 */
+	 	if (wd->perfctr_msr == MSR_ARCH_PERFMON_PERFCTR0 &&
+			((u64)cpu_khz * 1000) > 0x7fffffffULL) {
+			nmi_hz = ((u64)cpu_khz * 1000) / 0x7fffffffUL + 1;
+		}
+	}
 
 	kfree(counts);
 	return 0;
@@ -201,91 +291,65 @@ int __init setup_nmi_watchdog(char *str)
 
 	get_option(&str, &nmi);
 
-	if (nmi >= NMI_INVALID)
+	if ((nmi >= NMI_INVALID) || (nmi < NMI_NONE))
 		return 0;
+
+	if ((nmi == NMI_LOCAL_APIC) && (nmi_known_cpu() == 0))
+		return 0;  /* no lapic support */
 	nmi_watchdog = nmi;
 	return 1;
 }
 
 __setup("nmi_watchdog=", setup_nmi_watchdog);
 
-static void disable_intel_arch_watchdog(void);
-
 static void disable_lapic_nmi_watchdog(void)
 {
-	if (nmi_active <= 0)
+	BUG_ON(nmi_watchdog != NMI_LOCAL_APIC);
+
+	if (atomic_read(&nmi_active) <= 0)
 		return;
-	switch (boot_cpu_data.x86_vendor) {
-	case X86_VENDOR_AMD:
-		wrmsr(MSR_K7_EVNTSEL0, 0, 0);
-		break;
-	case X86_VENDOR_INTEL:
-		if (boot_cpu_data.x86 == 15) {
-			wrmsr(MSR_P4_IQ_CCCR0, 0, 0);
-			wrmsr(MSR_P4_CRU_ESCR0, 0, 0);
-		} else if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
-			disable_intel_arch_watchdog();
-		}
-		break;
-	}
-	nmi_active = -1;
-	/* tell do_nmi() and others that we're not active any more */
-	nmi_watchdog = 0;
-}
 
-static void enable_lapic_nmi_watchdog(void)
-{
-	if (nmi_active < 0) {
-		nmi_watchdog = NMI_LOCAL_APIC;
-		touch_nmi_watchdog();
-		setup_apic_nmi_watchdog();
-	}
+	on_each_cpu(stop_apic_nmi_watchdog, NULL, 0, 1);
+
+	BUG_ON(atomic_read(&nmi_active) != 0);
 }
 
-int reserve_lapic_nmi(void)
+static void enable_lapic_nmi_watchdog(void)
 {
-	unsigned int old_owner;
+	BUG_ON(nmi_watchdog != NMI_LOCAL_APIC);
 
-	spin_lock(&lapic_nmi_owner_lock);
-	old_owner = lapic_nmi_owner;
-	lapic_nmi_owner |= LAPIC_NMI_RESERVED;
-	spin_unlock(&lapic_nmi_owner_lock);
-	if (old_owner & LAPIC_NMI_RESERVED)
-		return -EBUSY;
-	if (old_owner & LAPIC_NMI_WATCHDOG)
-		disable_lapic_nmi_watchdog();
-	return 0;
-}
+	/* are we already enabled */
+	if (atomic_read(&nmi_active) != 0)
+		return;
 
-void release_lapic_nmi(void)
-{
-	unsigned int new_owner;
+	/* are we lapic aware */
+	if (nmi_known_cpu() <= 0)
+		return;
 
-	spin_lock(&lapic_nmi_owner_lock);
-	new_owner = lapic_nmi_owner & ~LAPIC_NMI_RESERVED;
-	lapic_nmi_owner = new_owner;
-	spin_unlock(&lapic_nmi_owner_lock);
-	if (new_owner & LAPIC_NMI_WATCHDOG)
-		enable_lapic_nmi_watchdog();
+	on_each_cpu(setup_apic_nmi_watchdog, NULL, 0, 1);
+	touch_nmi_watchdog();
 }
 
 void disable_timer_nmi_watchdog(void)
 {
-	if ((nmi_watchdog != NMI_IO_APIC) || (nmi_active <= 0))
+	BUG_ON(nmi_watchdog != NMI_IO_APIC);
+
+	if (atomic_read(&nmi_active) <= 0)
 		return;
 
 	disable_irq(0);
-	unset_nmi_callback();
-	nmi_active = -1;
-	nmi_watchdog = NMI_NONE;
+	on_each_cpu(stop_apic_nmi_watchdog, NULL, 0, 1);
+
+	BUG_ON(atomic_read(&nmi_active) != 0);
 }
 
 void enable_timer_nmi_watchdog(void)
 {
-	if (nmi_active < 0) {
-		nmi_watchdog = NMI_IO_APIC;
+	BUG_ON(nmi_watchdog != NMI_IO_APIC);
+
+	if (atomic_read(&nmi_active) == 0) {
 		touch_nmi_watchdog();
-		nmi_active = 1;
+		on_each_cpu(setup_apic_nmi_watchdog, NULL, 0, 1);
 		enable_irq(0);
 	}
 }
@@ -296,15 +360,20 @@ static int nmi_pm_active; /* nmi_active before suspend */
 
 static int lapic_nmi_suspend(struct sys_device *dev, pm_message_t state)
 {
-	nmi_pm_active = nmi_active;
-	disable_lapic_nmi_watchdog();
+	/* only CPU0 goes here, other CPUs should be offline */
+	nmi_pm_active = atomic_read(&nmi_active);
+	stop_apic_nmi_watchdog(NULL);
+	BUG_ON(atomic_read(&nmi_active) != 0);
 	return 0;
 }
 
 static int lapic_nmi_resume(struct sys_device *dev)
 {
-	if (nmi_pm_active > 0)
-	enable_lapic_nmi_watchdog();
+	/* only CPU0 goes here, other CPUs should be offline */
+	if (nmi_pm_active > 0) {
+		setup_apic_nmi_watchdog(NULL);
+		touch_nmi_watchdog();
+	}
 	return 0;
 }
 
@@ -323,7 +392,13 @@ static int __init init_lapic_nmi_sysfs(void)
 {
 	int error;
 
-	if (nmi_active == 0 || nmi_watchdog != NMI_LOCAL_APIC)
+	/* should really be a BUG_ON but b/c this is an
+	 * init call, it just doesn't work.  -dcz
+	 */
+	if (nmi_watchdog != NMI_LOCAL_APIC)
+		return 0;
+
+	if ( atomic_read(&nmi_active) < 0 )
 		return 0;
 
 	error = sysdev_class_register(&nmi_sysclass);
@@ -341,74 +416,209 @@ late_initcall(init_lapic_nmi_sysfs);
  * Original code written by Keith Owens.
  */
 
-static void clear_msr_range(unsigned int base, unsigned int n)
-{
-	unsigned int i;
+/* Note that these events don't tick when the CPU idles. This means
+   the frequency varies with CPU load. */
 
-	for(i = 0; i < n; ++i)
-		wrmsr(base+i, 0, 0);
-}
+#define K7_EVNTSEL_ENABLE	(1 << 22)
+#define K7_EVNTSEL_INT		(1 << 20)
+#define K7_EVNTSEL_OS		(1 << 17)
+#define K7_EVNTSEL_USR		(1 << 16)
+#define K7_EVENT_CYCLES_PROCESSOR_IS_RUNNING	0x76
+#define K7_NMI_EVENT		K7_EVENT_CYCLES_PROCESSOR_IS_RUNNING
 
-static void setup_k7_watchdog(void)
+static int setup_k7_watchdog(void)
 {
-	int i;
+	unsigned int perfctr_msr, evntsel_msr;
 	unsigned int evntsel;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
 
-	nmi_perfctr_msr = MSR_K7_PERFCTR0;
+	perfctr_msr = MSR_K7_PERFCTR0;
+	evntsel_msr = MSR_K7_EVNTSEL0;
+	if (!reserve_perfctr_nmi(perfctr_msr))
+		goto fail;
 
-	for(i = 0; i < 4; ++i) {
-		/* Simulator may not support it */
-		if (checking_wrmsrl(MSR_K7_EVNTSEL0+i, 0UL)) {
-			nmi_perfctr_msr = 0;
-			return;
-		}
-		wrmsrl(MSR_K7_PERFCTR0+i, 0UL);
-	}
+	if (!reserve_evntsel_nmi(evntsel_msr))
+		goto fail1;
+
+	/* Simulator may not support it */
+	if (checking_wrmsrl(evntsel_msr, 0UL))
+		goto fail2;
+	wrmsrl(perfctr_msr, 0UL);
 
 	evntsel = K7_EVNTSEL_INT
 		| K7_EVNTSEL_OS
 		| K7_EVNTSEL_USR
 		| K7_NMI_EVENT;
 
-	wrmsr(MSR_K7_EVNTSEL0, evntsel, 0);
-	wrmsrl(MSR_K7_PERFCTR0, -((u64)cpu_khz * 1000 / nmi_hz));
+	/* setup the timer */
+	wrmsr(evntsel_msr, evntsel, 0);
+	wrmsrl(perfctr_msr, -((u64)cpu_khz * 1000 / nmi_hz));
 	apic_write(APIC_LVTPC, APIC_DM_NMI);
 	evntsel |= K7_EVNTSEL_ENABLE;
-	wrmsr(MSR_K7_EVNTSEL0, evntsel, 0);
+	wrmsr(evntsel_msr, evntsel, 0);
+
+	wd->perfctr_msr = perfctr_msr;
+	wd->evntsel_msr = evntsel_msr;
+	wd->cccr_msr = 0;  //unused
+	wd->check_bit = 1ULL<<63;
+	return 1;
+fail2:
+	release_evntsel_nmi(evntsel_msr);
+fail1:
+	release_perfctr_nmi(perfctr_msr);
+fail:
+	return 0;
 }
 
-static void disable_intel_arch_watchdog(void)
+static void stop_k7_watchdog(void)
 {
-	unsigned ebx;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
 
-	/*
-	 * Check whether the Architectural PerfMon supports
-	 * Unhalted Core Cycles Event or not.
-	 * NOTE: Corresponding bit = 0 in ebp indicates event present.
+	wrmsr(wd->evntsel_msr, 0, 0);
+
+	release_evntsel_nmi(wd->evntsel_msr);
+	release_perfctr_nmi(wd->perfctr_msr);
+}
+
+/* Note that these events don't tick when the CPU idles. This means
+   the frequency varies with CPU load. */
+
+#define MSR_P4_MISC_ENABLE_PERF_AVAIL	(1<<7)
+#define P4_ESCR_EVENT_SELECT(N)	((N)<<25)
+#define P4_ESCR_OS		(1<<3)
+#define P4_ESCR_USR		(1<<2)
+#define P4_CCCR_OVF_PMI0	(1<<26)
+#define P4_CCCR_OVF_PMI1	(1<<27)
+#define P4_CCCR_THRESHOLD(N)	((N)<<20)
+#define P4_CCCR_COMPLEMENT	(1<<19)
+#define P4_CCCR_COMPARE		(1<<18)
+#define P4_CCCR_REQUIRED	(3<<16)
+#define P4_CCCR_ESCR_SELECT(N)	((N)<<13)
+#define P4_CCCR_ENABLE		(1<<12)
+#define P4_CCCR_OVF 		(1<<31)
+/* Set up IQ_COUNTER0 to behave like a clock, by having IQ_CCCR0 filter
+   CRU_ESCR0 (with any non-null event selector) through a complemented
+   max threshold. [IA32-Vol3, Section 14.9.9] */
+
+static int setup_p4_watchdog(void)
+{
+	unsigned int perfctr_msr, evntsel_msr, cccr_msr;
+	unsigned int evntsel, cccr_val;
+	unsigned int misc_enable, dummy;
+	unsigned int ht_num;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
+	rdmsr(MSR_IA32_MISC_ENABLE, misc_enable, dummy);
+	if (!(misc_enable & MSR_P4_MISC_ENABLE_PERF_AVAIL))
+		return 0;
+
+#ifdef CONFIG_SMP
+	/* detect which hyperthread we are on */
+	if (smp_num_siblings == 2) {
+		unsigned int ebx, apicid;
+
+        	ebx = cpuid_ebx(1);
+	        apicid = (ebx >> 24) & 0xff;
+        	ht_num = apicid & 1;
+	} else
+#endif
+		ht_num = 0;
+
+	/* performance counters are shared resources
+	 * assign each hyperthread its own set
+	 * (re-use the ESCR0 register, seems safe
+	 * and keeps the cccr_val the same)
 	 */
-	ebx = cpuid_ebx(10);
-	if (!(ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT))
-		wrmsr(MSR_ARCH_PERFMON_EVENTSEL0, 0, 0);
+	if (!ht_num) {
+		/* logical cpu 0 */
+		perfctr_msr = MSR_P4_IQ_PERFCTR0;
+		evntsel_msr = MSR_P4_CRU_ESCR0;
+		cccr_msr = MSR_P4_IQ_CCCR0;
+		cccr_val = P4_CCCR_OVF_PMI0 | P4_CCCR_ESCR_SELECT(4);
+	} else {
+		/* logical cpu 1 */
+		perfctr_msr = MSR_P4_IQ_PERFCTR1;
+		evntsel_msr = MSR_P4_CRU_ESCR0;
+		cccr_msr = MSR_P4_IQ_CCCR1;
+		cccr_val = P4_CCCR_OVF_PMI1 | P4_CCCR_ESCR_SELECT(4);
+	}
+
+	if (!reserve_perfctr_nmi(perfctr_msr))
+		goto fail;
+
+	if (!reserve_evntsel_nmi(evntsel_msr))
+		goto fail1;
+
+	evntsel = P4_ESCR_EVENT_SELECT(0x3F)
+	 	| P4_ESCR_OS
+		| P4_ESCR_USR;
+
+	cccr_val |= P4_CCCR_THRESHOLD(15)
+		 | P4_CCCR_COMPLEMENT
+		 | P4_CCCR_COMPARE
+		 | P4_CCCR_REQUIRED;
+
+	wrmsr(evntsel_msr, evntsel, 0);
+	wrmsr(cccr_msr, cccr_val, 0);
+	wrmsrl(perfctr_msr, -((u64)cpu_khz * 1000 / nmi_hz));
+	apic_write(APIC_LVTPC, APIC_DM_NMI);
+	cccr_val |= P4_CCCR_ENABLE;
+	wrmsr(cccr_msr, cccr_val, 0);
+
+	wd->perfctr_msr = perfctr_msr;
+	wd->evntsel_msr = evntsel_msr;
+	wd->cccr_msr = cccr_msr;
+	wd->check_bit = 1ULL<<39;
+	return 1;
+fail1:
+	release_perfctr_nmi(perfctr_msr);
+fail:
+	return 0;
+}
+
+static void stop_p4_watchdog(void)
+{
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
+	wrmsr(wd->cccr_msr, 0, 0);
+	wrmsr(wd->evntsel_msr, 0, 0);
+
+	release_evntsel_nmi(wd->evntsel_msr);
+	release_perfctr_nmi(wd->perfctr_msr);
 }
 
+#define ARCH_PERFMON_NMI_EVENT_SEL	ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL
+#define ARCH_PERFMON_NMI_EVENT_UMASK	ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK
+
 static int setup_intel_arch_watchdog(void)
 {
+	unsigned int ebx;
+	union cpuid10_eax eax;
+	unsigned int unused;
+	unsigned int perfctr_msr, evntsel_msr;
 	unsigned int evntsel;
-	unsigned ebx;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
 
 	/*
 	 * Check whether the Architectural PerfMon supports
 	 * Unhalted Core Cycles Event or not.
-	 * NOTE: Corresponding bit = 0 in ebp indicates event present.
+	 * NOTE: Corresponding bit = 0 in ebx indicates event present.
 	 */
-	ebx = cpuid_ebx(10);
-	if ((ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT))
-		return 0;
+	cpuid(10, &(eax.full), &ebx, &unused, &unused);
+	if ((eax.split.mask_length < (ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX+1)) ||
+	    (ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT))
+		goto fail;
+
+	perfctr_msr = MSR_ARCH_PERFMON_PERFCTR0;
+	evntsel_msr = MSR_ARCH_PERFMON_EVENTSEL0;
 
-	nmi_perfctr_msr = MSR_ARCH_PERFMON_PERFCTR0;
+	if (!reserve_perfctr_nmi(perfctr_msr))
+		goto fail;
 
-	clear_msr_range(MSR_ARCH_PERFMON_EVENTSEL0, 2);
-	clear_msr_range(MSR_ARCH_PERFMON_PERFCTR0, 2);
+	if (!reserve_evntsel_nmi(evntsel_msr))
+		goto fail1;
+
+	wrmsrl(perfctr_msr, 0UL);
 
 	evntsel = ARCH_PERFMON_EVENTSEL_INT
 		| ARCH_PERFMON_EVENTSEL_OS
@@ -416,84 +626,122 @@ static int setup_intel_arch_watchdog(void)
 		| ARCH_PERFMON_NMI_EVENT_SEL
 		| ARCH_PERFMON_NMI_EVENT_UMASK;
 
-	wrmsr(MSR_ARCH_PERFMON_EVENTSEL0, evntsel, 0);
-	wrmsrl(MSR_ARCH_PERFMON_PERFCTR0, -((u64)cpu_khz * 1000 / nmi_hz));
+	/* setup the timer */
+	wrmsr(evntsel_msr, evntsel, 0);
+	wrmsrl(perfctr_msr, -((u64)cpu_khz * 1000 / nmi_hz));
+
 	apic_write(APIC_LVTPC, APIC_DM_NMI);
 	evntsel |= ARCH_PERFMON_EVENTSEL0_ENABLE;
-	wrmsr(MSR_ARCH_PERFMON_EVENTSEL0, evntsel, 0);
+	wrmsr(evntsel_msr, evntsel, 0);
+
+	wd->perfctr_msr = perfctr_msr;
+	wd->evntsel_msr = evntsel_msr;
+	wd->cccr_msr = 0;  //unused
+	wd->check_bit = 1ULL << (eax.split.bit_width - 1);
 	return 1;
+fail1:
+	release_perfctr_nmi(perfctr_msr);
+fail:
+	return 0;
 }
 
-
-static int setup_p4_watchdog(void)
+static void stop_intel_arch_watchdog(void)
 {
-	unsigned int misc_enable, dummy;
+	unsigned int ebx;
+	union cpuid10_eax eax;
+	unsigned int unused;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
 
-	rdmsr(MSR_P4_MISC_ENABLE, misc_enable, dummy);
-	if (!(misc_enable & MSR_P4_MISC_ENABLE_PERF_AVAIL))
-		return 0;
+	/*
+	 * Check whether the Architectural PerfMon supports
+	 * Unhalted Core Cycles Event or not.
+	 * NOTE: Corresponding bit = 0 in ebx indicates event present.
+	 */
+	cpuid(10, &(eax.full), &ebx, &unused, &unused);
+	if ((eax.split.mask_length < (ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX+1)) ||
+	    (ebx & ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT))
+		return;
 
-	nmi_perfctr_msr = MSR_P4_IQ_COUNTER0;
-	nmi_p4_cccr_val = P4_NMI_IQ_CCCR0;
-#ifdef CONFIG_SMP
-	if (smp_num_siblings == 2)
-		nmi_p4_cccr_val |= P4_CCCR_OVF_PMI1;
-#endif
+	wrmsr(wd->evntsel_msr, 0, 0);
 
-	if (!(misc_enable & MSR_P4_MISC_ENABLE_PEBS_UNAVAIL))
-		clear_msr_range(0x3F1, 2);
-	/* MSR 0x3F0 seems to have a default value of 0xFC00, but current
-	   docs doesn't fully define it, so leave it alone for now. */
-	if (boot_cpu_data.x86_model >= 0x3) {
-		/* MSR_P4_IQ_ESCR0/1 (0x3ba/0x3bb) removed */
-		clear_msr_range(0x3A0, 26);
-		clear_msr_range(0x3BC, 3);
-	} else {
-		clear_msr_range(0x3A0, 31);
-	}
-	clear_msr_range(0x3C0, 6);
-	clear_msr_range(0x3C8, 6);
-	clear_msr_range(0x3E0, 2);
-	clear_msr_range(MSR_P4_CCCR0, 18);
-	clear_msr_range(MSR_P4_PERFCTR0, 18);
-
-	wrmsr(MSR_P4_CRU_ESCR0, P4_NMI_CRU_ESCR0, 0);
-	wrmsr(MSR_P4_IQ_CCCR0, P4_NMI_IQ_CCCR0 & ~P4_CCCR_ENABLE, 0);
-	Dprintk("setting P4_IQ_COUNTER0 to 0x%08lx\n", -(cpu_khz * 1000UL / nmi_hz));
-	wrmsrl(MSR_P4_IQ_COUNTER0, -((u64)cpu_khz * 1000 / nmi_hz));
-	apic_write(APIC_LVTPC, APIC_DM_NMI);
-	wrmsr(MSR_P4_IQ_CCCR0, nmi_p4_cccr_val, 0);
-	return 1;
+	release_evntsel_nmi(wd->evntsel_msr);
+	release_perfctr_nmi(wd->perfctr_msr);
 }
 
-void setup_apic_nmi_watchdog(void)
+void setup_apic_nmi_watchdog(void *unused)
 {
-	switch (boot_cpu_data.x86_vendor) {
-	case X86_VENDOR_AMD:
-		if (boot_cpu_data.x86 != 15)
-			return;
-		if (strstr(boot_cpu_data.x86_model_id, "Screwdriver"))
-			return;
-		setup_k7_watchdog();
-		break;
-	case X86_VENDOR_INTEL:
-		if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
-			if (!setup_intel_arch_watchdog())
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+
+	/* only support LOCAL and IO APICs for now */
+	if ((nmi_watchdog != NMI_LOCAL_APIC) &&
+	    (nmi_watchdog != NMI_IO_APIC))
+	    	return;
+
+	if (wd->enabled == 1)
+		return;
+
+	/* cheap hack to support suspend/resume */
+	/* if cpu0 is not active neither should the other cpus */
+	if ((smp_processor_id() != 0) && (atomic_read(&nmi_active) <= 0))
+		return;
+
+	if (nmi_watchdog == NMI_LOCAL_APIC) {
+		switch (boot_cpu_data.x86_vendor) {
+		case X86_VENDOR_AMD:
+			if (strstr(boot_cpu_data.x86_model_id, "Screwdriver"))
 				return;
-		} else if (boot_cpu_data.x86 == 15) {
+			if (!setup_k7_watchdog())
+				return;
+			break;
+		case X86_VENDOR_INTEL:
+			if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
+				if (!setup_intel_arch_watchdog())
+					return;
+				break;
+			}
 			if (!setup_p4_watchdog())
 				return;
-		} else {
+			break;
+		default:
 			return;
 		}
+	}
+	wd->enabled = 1;
+	atomic_inc(&nmi_active);
+}
+
+void stop_apic_nmi_watchdog(void *unused)
+{
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
 
-		break;
+	/* only support LOCAL and IO APICs for now */
+	if ((nmi_watchdog != NMI_LOCAL_APIC) &&
+	    (nmi_watchdog != NMI_IO_APIC))
+	    	return;
 
-	default:
+	if (wd->enabled == 0)
 		return;
+
+	if (nmi_watchdog == NMI_LOCAL_APIC) {
+		switch (boot_cpu_data.x86_vendor) {
+		case X86_VENDOR_AMD:
+			if (strstr(boot_cpu_data.x86_model_id, "Screwdriver"))
+				return;
+			stop_k7_watchdog();
+			break;
+		case X86_VENDOR_INTEL:
+			if (cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
+				stop_intel_arch_watchdog();
+				break;
+			}
+			stop_p4_watchdog();
+			break;
+		default:
+			return;
+		}
 	}
-	lapic_nmi_owner = LAPIC_NMI_WATCHDOG;
-	nmi_active = 1;
+	wd->enabled = 0;
+	atomic_dec(&nmi_active);
 }
 
 /*
@@ -526,93 +774,109 @@ void touch_nmi_watchdog (void)
  	touch_softlockup_watchdog();
 }
 
-void __kprobes nmi_watchdog_tick(struct pt_regs * regs, unsigned reason)
+int __kprobes nmi_watchdog_tick(struct pt_regs * regs, unsigned reason)
 {
 	int sum;
 	int touched = 0;
+	struct nmi_watchdog_ctlblk *wd = &__get_cpu_var(nmi_watchdog_ctlblk);
+	u64 dummy;
+	int rc=0;
+
+	/* check for other users first */
+	if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT)
+			== NOTIFY_STOP) {
+		rc = 1;
+		touched = 1;
+	}
 
 	sum = read_pda(apic_timer_irqs);
 	if (__get_cpu_var(nmi_touch)) {
 		__get_cpu_var(nmi_touch) = 0;
 		touched = 1;
 	}
+
 #ifdef CONFIG_X86_MCE
 	/* Could check oops_in_progress here too, but it's safer
 	   not too */
 	if (atomic_read(&mce_entry) > 0)
 		touched = 1;
 #endif
+	/* if the apic timer isn't firing, this cpu isn't doing much */
 	if (!touched && __get_cpu_var(last_irq_sum) == sum) {
 		/*
 		 * Ayiee, looks like this CPU is stuck ...
 		 * wait a few IRQs (5 seconds) before doing the oops ...
 		 */
 		local_inc(&__get_cpu_var(alert_counter));
-		if (local_read(&__get_cpu_var(alert_counter)) == 5*nmi_hz) {
-			if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT)
-							== NOTIFY_STOP) {
-				local_set(&__get_cpu_var(alert_counter), 0);
-				return;
-			}
-			die_nmi("NMI Watchdog detected LOCKUP on CPU %d\n", regs);
-		}
+		if (local_read(&__get_cpu_var(alert_counter)) == 5*nmi_hz)
+			die_nmi("NMI Watchdog detected LOCKUP on CPU %d\n", regs,
+				panic_on_timeout);
 	} else {
 		__get_cpu_var(last_irq_sum) = sum;
 		local_set(&__get_cpu_var(alert_counter), 0);
 	}
-	if (nmi_perfctr_msr) {
- 		if (nmi_perfctr_msr == MSR_P4_IQ_COUNTER0) {
- 			/*
- 			 * P4 quirks:
- 			 * - An overflown perfctr will assert its interrupt
- 			 *   until the OVF flag in its CCCR is cleared.
- 			 * - LVTPC is masked on interrupt and must be
- 			 *   unmasked by the LVTPC handler.
- 			 */
- 			wrmsr(MSR_P4_IQ_CCCR0, nmi_p4_cccr_val, 0);
- 			apic_write(APIC_LVTPC, APIC_DM_NMI);
- 		} else if (nmi_perfctr_msr == MSR_ARCH_PERFMON_PERFCTR0) {
-			/*
-			 * For Intel based architectural perfmon
-			 * - LVTPC is masked on interrupt and must be
-			 *   unmasked by the LVTPC handler.
+
+	/* see if the nmi watchdog went off */
+	if (wd->enabled) {
+		if (nmi_watchdog == NMI_LOCAL_APIC) {
+			rdmsrl(wd->perfctr_msr, dummy);
+			if (dummy & wd->check_bit){
+				/* this wasn't a watchdog timer interrupt */
+				goto done;
+			}
+
+			/* only Intel uses the cccr msr */
+	 		if (wd->cccr_msr != 0) {
+	 			/*
+	 			 * P4 quirks:
+	 			 * - An overflown perfctr will assert its interrupt
+	 			 *   until the OVF flag in its CCCR is cleared.
+	 			 * - LVTPC is masked on interrupt and must be
+	 			 *   unmasked by the LVTPC handler.
+	 			 */
+				rdmsrl(wd->cccr_msr, dummy);
+				dummy &= ~P4_CCCR_OVF;
+	 			wrmsrl(wd->cccr_msr, dummy);
+	 			apic_write(APIC_LVTPC, APIC_DM_NMI);
+	 		} else if (wd->perfctr_msr == MSR_ARCH_PERFMON_PERFCTR0) {
+				/*
+				 * ArchPerfom/Core Duo needs to re-unmask
+				 * the apic vector
+				 */
+				apic_write(APIC_LVTPC, APIC_DM_NMI);
+			}
+			/* start the cycle over again */
+			wrmsrl(wd->perfctr_msr, -((u64)cpu_khz * 1000 / nmi_hz));
+			rc = 1;
+		} else 	if (nmi_watchdog == NMI_IO_APIC) {
+			/* don't know how to accurately check for this.
+			 * just assume it was a watchdog timer interrupt
+			 * This matches the old behaviour.
 			 */
-			apic_write(APIC_LVTPC, APIC_DM_NMI);
-		}
-		wrmsrl(nmi_perfctr_msr, -((u64)cpu_khz * 1000 / nmi_hz));
+			rc = 1;
+		} else
+			printk(KERN_WARNING "Unknown enabled NMI hardware?!\n");
 	}
+done:
+	return rc;
 }
 
-static __kprobes int dummy_nmi_callback(struct pt_regs * regs, int cpu)
-{
-	return 0;
-}
- 
-static nmi_callback_t nmi_callback = dummy_nmi_callback;
- 
 asmlinkage __kprobes void do_nmi(struct pt_regs * regs, long error_code)
 {
-	int cpu = safe_smp_processor_id();
-
 	nmi_enter();
 	add_pda(__nmi_count,1);
-	if (!rcu_dereference(nmi_callback)(regs, cpu))
-		default_do_nmi(regs);
+	default_do_nmi(regs);
 	nmi_exit();
 }
 
-void set_nmi_callback(nmi_callback_t callback)
+int do_nmi_callback(struct pt_regs * regs, int cpu)
 {
-	vmalloc_sync_all();
-	rcu_assign_pointer(nmi_callback, callback);
-}
-EXPORT_SYMBOL_GPL(set_nmi_callback);
-
-void unset_nmi_callback(void)
-{
-	nmi_callback = dummy_nmi_callback;
+#ifdef CONFIG_SYSCTL
+	if (unknown_nmi_panic)
+		return unknown_nmi_panic_callback(regs, cpu);
+#endif
+	return 0;
 }
-EXPORT_SYMBOL_GPL(unset_nmi_callback);
 
 #ifdef CONFIG_SYSCTL
 
@@ -621,36 +885,42 @@ static int unknown_nmi_panic_callback(struct pt_regs *regs, int cpu)
 	unsigned char reason = get_nmi_reason();
 	char buf[64];
 
-	if (!(reason & 0xc0)) {
-		sprintf(buf, "NMI received for unknown reason %02x\n", reason);
-		die_nmi(buf,regs);
-	}
+	sprintf(buf, "NMI received for unknown reason %02x\n", reason);
+	die_nmi(buf, regs, 1);	/* Always panic here */
 	return 0;
 }
 
 /*
- * proc handler for /proc/sys/kernel/unknown_nmi_panic
+ * proc handler for /proc/sys/kernel/nmi
  */
-int proc_unknown_nmi_panic(struct ctl_table *table, int write, struct file *file,
+int proc_nmi_enabled(struct ctl_table *table, int write, struct file *file,
 			void __user *buffer, size_t *length, loff_t *ppos)
 {
 	int old_state;
 
-	old_state = unknown_nmi_panic;
+	nmi_watchdog_enabled = (atomic_read(&nmi_active) > 0) ? 1 : 0;
+	old_state = nmi_watchdog_enabled;
 	proc_dointvec(table, write, file, buffer, length, ppos);
-	if (!!old_state == !!unknown_nmi_panic)
+	if (!!old_state == !!nmi_watchdog_enabled)
 		return 0;
 
-	if (unknown_nmi_panic) {
-		if (reserve_lapic_nmi() < 0) {
-			unknown_nmi_panic = 0;
-			return -EBUSY;
-		} else {
-			set_nmi_callback(unknown_nmi_panic_callback);
-		}
+	if (atomic_read(&nmi_active) < 0) {
+		printk( KERN_WARNING "NMI watchdog is permanently disabled\n");
+		return -EIO;
+	}
+
+	/* if nmi_watchdog is not set yet, then set it */
+	nmi_watchdog_default();
+
+	if (nmi_watchdog == NMI_LOCAL_APIC) {
+		if (nmi_watchdog_enabled)
+			enable_lapic_nmi_watchdog();
+		else
+			disable_lapic_nmi_watchdog();
 	} else {
-		release_lapic_nmi();
-		unset_nmi_callback();
+		printk( KERN_WARNING
+			"NMI watchdog doesn't know what hardware to touch\n");
+		return -EIO;
 	}
 	return 0;
 }
@@ -659,8 +929,12 @@ int proc_unknown_nmi_panic(struct ctl_table *table, int write, struct file *file
 
 EXPORT_SYMBOL(nmi_active);
 EXPORT_SYMBOL(nmi_watchdog);
-EXPORT_SYMBOL(reserve_lapic_nmi);
-EXPORT_SYMBOL(release_lapic_nmi);
+EXPORT_SYMBOL(avail_to_resrv_perfctr_nmi);
+EXPORT_SYMBOL(avail_to_resrv_perfctr_nmi_bit);
+EXPORT_SYMBOL(reserve_perfctr_nmi);
+EXPORT_SYMBOL(release_perfctr_nmi);
+EXPORT_SYMBOL(reserve_evntsel_nmi);
+EXPORT_SYMBOL(release_evntsel_nmi);
 EXPORT_SYMBOL(disable_timer_nmi_watchdog);
 EXPORT_SYMBOL(enable_timer_nmi_watchdog);
 EXPORT_SYMBOL(touch_nmi_watchdog);
diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index 146924ba5df5..cfb09b07ae99 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -86,7 +86,8 @@
 
 #define MAX_NUM_OF_PHBS		8 /* how many PHBs in total? */
 #define MAX_NUM_CHASSIS		8 /* max number of chassis */
-#define MAX_PHB_BUS_NUM		(MAX_NUM_OF_PHBS * MAX_NUM_CHASSIS * 2) /* max dev->bus->number */
+/* MAX_PHB_BUS_NUM is the maximal possible dev->bus->number */
+#define MAX_PHB_BUS_NUM		(MAX_NUM_OF_PHBS * MAX_NUM_CHASSIS * 2)
 #define PHBS_PER_CALGARY	4
 
 /* register offsets in Calgary's internal register space */
@@ -111,31 +112,49 @@ static const unsigned long phb_offsets[] = {
 	0xB000 /* PHB3 */
 };
 
-static char bus_to_phb[MAX_PHB_BUS_NUM];
-void* tce_table_kva[MAX_PHB_BUS_NUM];
 unsigned int specified_table_size = TCE_TABLE_SIZE_UNSPECIFIED;
 static int translate_empty_slots __read_mostly = 0;
 static int calgary_detected __read_mostly = 0;
 
-/*
- * the bitmap of PHBs the user requested that we disable
- * translation on.
- */
-static DECLARE_BITMAP(translation_disabled, MAX_PHB_BUS_NUM);
+struct calgary_bus_info {
+	void *tce_space;
+	unsigned char translation_disabled;
+	signed char phbid;
+};
+
+static struct calgary_bus_info bus_info[MAX_PHB_BUS_NUM] = { { NULL, 0, 0 }, };
 
 static void tce_cache_blast(struct iommu_table *tbl);
 
 /* enable this to stress test the chip's TCE cache */
 #ifdef CONFIG_IOMMU_DEBUG
-static inline void tce_cache_blast_stress(struct iommu_table *tbl)
+int debugging __read_mostly = 1;
+
+static inline unsigned long verify_bit_range(unsigned long* bitmap,
+	int expected, unsigned long start, unsigned long end)
 {
-	tce_cache_blast(tbl);
+	unsigned long idx = start;
+
+	BUG_ON(start >= end);
+
+	while (idx < end) {
+		if (!!test_bit(idx, bitmap) != expected)
+			return idx;
+		++idx;
+	}
+
+	/* all bits have the expected value */
+	return ~0UL;
 }
-#else
-static inline void tce_cache_blast_stress(struct iommu_table *tbl)
+#else /* debugging is disabled */
+int debugging __read_mostly = 0;
+
+static inline unsigned long verify_bit_range(unsigned long* bitmap,
+	int expected, unsigned long start, unsigned long end)
 {
+	return ~0UL;
 }
-#endif /* BLAST_TCE_CACHE_ON_UNMAP */
+#endif /* CONFIG_IOMMU_DEBUG */
 
 static inline unsigned int num_dma_pages(unsigned long dma, unsigned int dmalen)
 {
@@ -149,7 +168,7 @@ static inline unsigned int num_dma_pages(unsigned long dma, unsigned int dmalen)
 
 static inline int translate_phb(struct pci_dev* dev)
 {
-	int disabled = test_bit(dev->bus->number, translation_disabled);
+	int disabled = bus_info[dev->bus->number].translation_disabled;
 	return !disabled;
 }
 
@@ -158,6 +177,7 @@ static void iommu_range_reserve(struct iommu_table *tbl,
 {
 	unsigned long index;
 	unsigned long end;
+	unsigned long badbit;
 
 	index = start_addr >> PAGE_SHIFT;
 
@@ -169,14 +189,15 @@ static void iommu_range_reserve(struct iommu_table *tbl,
 	if (end > tbl->it_size) /* don't go off the table */
 		end = tbl->it_size;
 
-	while (index < end) {
-		if (test_bit(index, tbl->it_map))
+	badbit = verify_bit_range(tbl->it_map, 0, index, end);
+	if (badbit != ~0UL) {
+		if (printk_ratelimit())
 			printk(KERN_ERR "Calgary: entry already allocated at "
 			       "0x%lx tbl %p dma 0x%lx npages %u\n",
-			       index, tbl, start_addr, npages);
-		++index;
+			       badbit, tbl, start_addr, npages);
 	}
-	set_bit_string(tbl->it_map, start_addr >> PAGE_SHIFT, npages);
+
+	set_bit_string(tbl->it_map, index, npages);
 }
 
 static unsigned long iommu_range_alloc(struct iommu_table *tbl,
@@ -243,7 +264,7 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
 	unsigned int npages)
 {
 	unsigned long entry;
-	unsigned long i;
+	unsigned long badbit;
 
 	entry = dma_addr >> PAGE_SHIFT;
 
@@ -251,16 +272,15 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
 
 	tce_free(tbl, entry, npages);
 
-	for (i = 0; i < npages; ++i) {
-		if (!test_bit(entry + i, tbl->it_map))
+	badbit = verify_bit_range(tbl->it_map, 1, entry, entry + npages);
+	if (badbit != ~0UL) {
+		if (printk_ratelimit())
 			printk(KERN_ERR "Calgary: bit is off at 0x%lx "
 			       "tbl %p dma 0x%Lx entry 0x%lx npages %u\n",
-			       entry + i, tbl, dma_addr, entry, npages);
+			       badbit, tbl, dma_addr, entry, npages);
 	}
 
 	__clear_bit_string(tbl->it_map, entry, npages);
-
-	tce_cache_blast_stress(tbl);
 }
 
 static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
@@ -454,7 +474,7 @@ static struct dma_mapping_ops calgary_dma_ops = {
 
 static inline int busno_to_phbid(unsigned char num)
 {
-	return bus_to_phb[num];
+	return bus_info[num].phbid;
 }
 
 static inline unsigned long split_queue_offset(unsigned char num)
@@ -631,6 +651,10 @@ static int __init calgary_setup_tar(struct pci_dev *dev, void __iomem *bbar)
 	if (ret)
 		return ret;
 
+	tbl = dev->sysdata;
+	tbl->it_base = (unsigned long)bus_info[dev->bus->number].tce_space;
+	tce_free(tbl, 0, tbl->it_size);
+
 	calgary_reserve_regions(dev);
 
 	/* set TARs for each PHB */
@@ -654,11 +678,12 @@ static int __init calgary_setup_tar(struct pci_dev *dev, void __iomem *bbar)
 	return 0;
 }
 
-static void __init calgary_free_tar(struct pci_dev *dev)
+static void __init calgary_free_bus(struct pci_dev *dev)
 {
 	u64 val64;
 	struct iommu_table *tbl = dev->sysdata;
 	void __iomem *target;
+	unsigned int bitmapsz;
 
 	target = calgary_reg(tbl->bbar, tar_offset(dev->bus->number));
 	val64 = be64_to_cpu(readq(target));
@@ -666,8 +691,15 @@ static void __init calgary_free_tar(struct pci_dev *dev)
 	writeq(cpu_to_be64(val64), target);
 	readq(target); /* flush */
 
+	bitmapsz = tbl->it_size / BITS_PER_BYTE;
+	free_pages((unsigned long)tbl->it_map, get_order(bitmapsz));
+	tbl->it_map = NULL;
+
 	kfree(tbl);
 	dev->sysdata = NULL;
+
+	/* Can't free bootmem allocated memory after system is up :-( */
+	bus_info[dev->bus->number].tce_space = NULL;
 }
 
 static void calgary_watchdog(unsigned long data)
@@ -772,12 +804,11 @@ static inline unsigned int __init locate_register_space(struct pci_dev *dev)
 	return address;
 }
 
-static int __init calgary_init_one_nontraslated(struct pci_dev *dev)
+static void __init calgary_init_one_nontraslated(struct pci_dev *dev)
 {
+	pci_dev_get(dev);
 	dev->sysdata = NULL;
 	dev->bus->self = dev;
-
-	return 0;
 }
 
 static int __init calgary_init_one(struct pci_dev *dev)
@@ -798,6 +829,7 @@ static int __init calgary_init_one(struct pci_dev *dev)
 	if (ret)
 		goto iounmap;
 
+	pci_dev_get(dev);
 	dev->bus->self = dev;
 	calgary_enable_translation(dev);
 
@@ -824,10 +856,9 @@ static int __init calgary_init(void)
 			calgary_init_one_nontraslated(dev);
 			continue;
 		}
-		if (!tce_table_kva[dev->bus->number] && !translate_empty_slots) {
-			pci_dev_put(dev);
+		if (!bus_info[dev->bus->number].tce_space && !translate_empty_slots)
 			continue;
-		}
+
 		ret = calgary_init_one(dev);
 		if (ret)
 			goto error;
@@ -840,15 +871,18 @@ error:
 		dev = pci_find_device_reverse(PCI_VENDOR_ID_IBM,
 					      PCI_DEVICE_ID_IBM_CALGARY,
 					      dev);
+		if (!dev)
+			break;
 		if (!translate_phb(dev)) {
 			pci_dev_put(dev);
 			continue;
 		}
-		if (!tce_table_kva[dev->bus->number] && !translate_empty_slots)
+		if (!bus_info[dev->bus->number].tce_space && !translate_empty_slots)
 			continue;
+
 		calgary_disable_translation(dev);
-		calgary_free_tar(dev);
-		pci_dev_put(dev);
+		calgary_free_bus(dev);
+		pci_dev_put(dev); /* Undo calgary_init_one()'s pci_dev_get() */
 	}
 
 	return ret;
@@ -890,13 +924,15 @@ void __init detect_calgary(void)
 	if (swiotlb || no_iommu || iommu_detected)
 		return;
 
+	if (!early_pci_allowed())
+		return;
+
 	specified_table_size = determine_tce_table_size(end_pfn * PAGE_SIZE);
 
 	for (bus = 0; bus < MAX_PHB_BUS_NUM; bus++) {
 		int dev;
-
-		tce_table_kva[bus] = NULL;
-		bus_to_phb[bus] = -1;
+		struct calgary_bus_info *info = &bus_info[bus];
+		info->phbid = -1;
 
 		if (read_pci_config(bus, 0, 0, 0) != PCI_VENDOR_DEVICE_ID_CALGARY)
 			continue;
@@ -907,12 +943,9 @@ void __init detect_calgary(void)
 		 */
 		phb = (phb + 1) % PHBS_PER_CALGARY;
 
-		if (test_bit(bus, translation_disabled)) {
-			printk(KERN_INFO "Calgary: translation is disabled for "
-			       "PHB 0x%x\n", bus);
-			/* skip this phb, don't allocate a tbl for it */
+		if (info->translation_disabled)
 			continue;
-		}
+
 		/*
 		 * Scan the slots of the PCI bus to see if there is a device present.
 		 * The parent bus will be the zero-ith device, so start at 1.
@@ -923,8 +956,8 @@ void __init detect_calgary(void)
 				tbl = alloc_tce_table();
 				if (!tbl)
 					goto cleanup;
-				tce_table_kva[bus] = tbl;
-				bus_to_phb[bus] = phb;
+				info->tce_space = tbl;
+				info->phbid = phb;
 				calgary_found = 1;
 				break;
 			}
@@ -934,15 +967,20 @@ void __init detect_calgary(void)
 	if (calgary_found) {
 		iommu_detected = 1;
 		calgary_detected = 1;
-		printk(KERN_INFO "PCI-DMA: Calgary IOMMU detected. "
-		       "TCE table spec is %d.\n", specified_table_size);
+		printk(KERN_INFO "PCI-DMA: Calgary IOMMU detected.\n");
+		printk(KERN_INFO "PCI-DMA: Calgary TCE table spec is %d, "
+		       "CONFIG_IOMMU_DEBUG is %s.\n", specified_table_size,
+		       debugging ? "enabled" : "disabled");
 	}
 	return;
 
 cleanup:
-	for (--bus; bus >= 0; --bus)
-		if (tce_table_kva[bus])
-			free_tce_table(tce_table_kva[bus]);
+	for (--bus; bus >= 0; --bus) {
+		struct calgary_bus_info *info = &bus_info[bus];
+
+		if (info->tce_space)
+			free_tce_table(info->tce_space);
+	}
 }
 
 int __init calgary_iommu_init(void)
@@ -1016,7 +1054,7 @@ static int __init calgary_parse_options(char *p)
 			if (bridge < MAX_PHB_BUS_NUM) {
 				printk(KERN_INFO "Calgary: disabling "
 				       "translation for PHB 0x%x\n", bridge);
-				set_bit(bridge, translation_disabled);
+				bus_info[bridge].translation_disabled = 1;
 			}
 		}
 
diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c
index 9c44f4f2433d..4dcb671bd19f 100644
--- a/arch/x86_64/kernel/pci-dma.c
+++ b/arch/x86_64/kernel/pci-dma.c
@@ -236,6 +236,9 @@ __init int iommu_setup(char *p)
 {
     iommu_merge = 1;
 
+	if (!p)
+		return -EINVAL;
+
     while (*p) {
 	    if (!strncmp(p,"off",3))
 		    no_iommu = 1;
@@ -278,9 +281,9 @@ __init int iommu_setup(char *p)
 	    if (*p == ',')
 		    ++p;
     }
-    return 1;
+    return 0;
 }
-__setup("iommu=", iommu_setup);
+early_param("iommu", iommu_setup);
 
 void __init pci_iommu_alloc(void)
 {
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c
index 6d3e61baf7a0..16261a8a3303 100644
--- a/arch/x86_64/kernel/pci-gart.c
+++ b/arch/x86_64/kernel/pci-gart.c
@@ -239,8 +239,6 @@ dma_addr_t gart_map_single(struct device *dev, void *addr, size_t size, int dir)
 {
 	unsigned long phys_mem, bus;
 
-	BUG_ON(dir == DMA_NONE);
-
 	if (!dev)
 		dev = &fallback_dev;
 
@@ -383,7 +381,6 @@ int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents, int dir)
 	unsigned long pages = 0;
 	int need = 0, nextneed;
 
-	BUG_ON(dir == DMA_NONE);
 	if (nents == 0) 
 		return 0;
 
diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c
index aad7609d8e92..df09ab05a1bd 100644
--- a/arch/x86_64/kernel/pci-nommu.c
+++ b/arch/x86_64/kernel/pci-nommu.c
@@ -59,7 +59,6 @@ int nommu_map_sg(struct device *hwdev, struct scatterlist *sg,
 {
 	int i;
 
-	BUG_ON(direction == DMA_NONE);
  	for (i = 0; i < nents; i++ ) {
 		struct scatterlist *s = &sg[i];
 		BUG_ON(!s->page);
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index bb6745d13b8f..458006ae19f3 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -80,25 +80,25 @@ void idle_notifier_unregister(struct notifier_block *n)
 }
 EXPORT_SYMBOL(idle_notifier_unregister);
 
-enum idle_state { CPU_IDLE, CPU_NOT_IDLE };
-static DEFINE_PER_CPU(enum idle_state, idle_state) = CPU_NOT_IDLE;
-
 void enter_idle(void)
 {
-	__get_cpu_var(idle_state) = CPU_IDLE;
+	write_pda(isidle, 1);
 	atomic_notifier_call_chain(&idle_notifier, IDLE_START, NULL);
 }
 
 static void __exit_idle(void)
 {
-	__get_cpu_var(idle_state) = CPU_NOT_IDLE;
+	if (read_pda(isidle) == 0)
+		return;
+	write_pda(isidle, 0);
 	atomic_notifier_call_chain(&idle_notifier, IDLE_END, NULL);
 }
 
 /* Called from interrupts to signify idle end */
 void exit_idle(void)
 {
-	if (current->pid | read_pda(irqcount))
+	/* idle loop has pid 0 */
+	if (current->pid)
 		return;
 	__exit_idle();
 }
@@ -220,6 +220,9 @@ void cpu_idle (void)
 				play_dead();
 			enter_idle();
 			idle();
+			/* In many cases the interrupt that ended idle
+			   has already called exit_idle. But some idle
+			   loops can be woken up without interrupt. */
 			__exit_idle();
 		}
 
@@ -350,6 +353,7 @@ void exit_thread(void)
 
 		kfree(t->io_bitmap_ptr);
 		t->io_bitmap_ptr = NULL;
+		clear_thread_flag(TIF_IO_BITMAP);
 		/*
 		 * Careful, clear this in the TSS too:
 		 */
@@ -369,6 +373,7 @@ void flush_thread(void)
 		if (t->flags & _TIF_IA32)
 			current_thread_info()->status |= TS_COMPAT;
 	}
+	t->flags &= ~_TIF_DEBUG;
 
 	tsk->thread.debugreg0 = 0;
 	tsk->thread.debugreg1 = 0;
@@ -461,7 +466,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long rsp,
 	asm("mov %%es,%0" : "=m" (p->thread.es));
 	asm("mov %%ds,%0" : "=m" (p->thread.ds));
 
-	if (unlikely(me->thread.io_bitmap_ptr != NULL)) { 
+	if (unlikely(test_tsk_thread_flag(me, TIF_IO_BITMAP))) {
 		p->thread.io_bitmap_ptr = kmalloc(IO_BITMAP_BYTES, GFP_KERNEL);
 		if (!p->thread.io_bitmap_ptr) {
 			p->thread.io_bitmap_max = 0;
@@ -469,6 +474,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long rsp,
 		}
 		memcpy(p->thread.io_bitmap_ptr, me->thread.io_bitmap_ptr,
 				IO_BITMAP_BYTES);
+		set_tsk_thread_flag(p, TIF_IO_BITMAP);
 	} 
 
 	/*
@@ -498,6 +504,40 @@ out:
  */
 #define loaddebug(thread,r) set_debugreg(thread->debugreg ## r, r)
 
+static inline void __switch_to_xtra(struct task_struct *prev_p,
+			     	    struct task_struct *next_p,
+			     	    struct tss_struct *tss)
+{
+	struct thread_struct *prev, *next;
+
+	prev = &prev_p->thread,
+	next = &next_p->thread;
+
+	if (test_tsk_thread_flag(next_p, TIF_DEBUG)) {
+		loaddebug(next, 0);
+		loaddebug(next, 1);
+		loaddebug(next, 2);
+		loaddebug(next, 3);
+		/* no 4 and 5 */
+		loaddebug(next, 6);
+		loaddebug(next, 7);
+	}
+
+	if (test_tsk_thread_flag(next_p, TIF_IO_BITMAP)) {
+		/*
+		 * Copy the relevant range of the IO bitmap.
+		 * Normally this is 128 bytes or less:
+		 */
+		memcpy(tss->io_bitmap, next->io_bitmap_ptr,
+		       max(prev->io_bitmap_max, next->io_bitmap_max));
+	} else if (test_tsk_thread_flag(prev_p, TIF_IO_BITMAP)) {
+		/*
+		 * Clear any possible leftover bits:
+		 */
+		memset(tss->io_bitmap, 0xff, prev->io_bitmap_max);
+	}
+}
+
 /*
  *	switch_to(x,y) should switch tasks from x to y.
  *
@@ -515,6 +555,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 	int cpu = smp_processor_id();  
 	struct tss_struct *tss = &per_cpu(init_tss, cpu);
 
+	/* we're going to use this soon, after a few expensive things */
+	if (next_p->fpu_counter>5)
+		prefetch(&next->i387.fxsave);
+
 	/*
 	 * Reload esp0, LDT and the page table pointer:
 	 */
@@ -583,41 +627,29 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 	   And the AMD workaround requires it to be after DS reload. */
 	unlazy_fpu(prev_p);
 	write_pda(kernelstack,
-		  task_stack_page(next_p) + THREAD_SIZE - PDA_STACKOFFSET);
-
+	(unsigned long)task_stack_page(next_p) + THREAD_SIZE - PDA_STACKOFFSET);
+#ifdef CONFIG_CC_STACKPROTECTOR
+	write_pda(stack_canary, next_p->stack_canary);
 	/*
-	 * Now maybe reload the debug registers
+	 * Build time only check to make sure the stack_canary is at
+	 * offset 40 in the pda; this is a gcc ABI requirement
 	 */
-	if (unlikely(next->debugreg7)) {
-		loaddebug(next, 0);
-		loaddebug(next, 1);
-		loaddebug(next, 2);
-		loaddebug(next, 3);
-		/* no 4 and 5 */
-		loaddebug(next, 6);
-		loaddebug(next, 7);
-	}
-
+	BUILD_BUG_ON(offsetof(struct x8664_pda, stack_canary) != 40);
+#endif
 
-	/* 
-	 * Handle the IO bitmap 
-	 */ 
-	if (unlikely(prev->io_bitmap_ptr || next->io_bitmap_ptr)) {
-		if (next->io_bitmap_ptr)
-			/*
-			 * Copy the relevant range of the IO bitmap.
-			 * Normally this is 128 bytes or less:
- 			 */
-			memcpy(tss->io_bitmap, next->io_bitmap_ptr,
-				max(prev->io_bitmap_max, next->io_bitmap_max));
-		else {
-			/*
-			 * Clear any possible leftover bits:
-			 */
-			memset(tss->io_bitmap, 0xff, prev->io_bitmap_max);
-		}
-	}
+	/*
+	 * Now maybe reload the debug registers and handle I/O bitmaps
+	 */
+	if (unlikely((task_thread_info(next_p)->flags & _TIF_WORK_CTXSW))
+	    || test_tsk_thread_flag(prev_p, TIF_IO_BITMAP))
+		__switch_to_xtra(prev_p, next_p, tss);
 
+	/* If the task has used fpu the last 5 timeslices, just do a full
+	 * restore of the math state immediately to avoid the trap; the
+	 * chances of needing FPU soon are obviously high now
+	 */
+	if (next_p->fpu_counter>5)
+		math_state_restore();
 	return prev_p;
 }
 
@@ -834,7 +866,7 @@ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
 
 unsigned long arch_align_stack(unsigned long sp)
 {
-	if (randomize_va_space)
+	if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space)
 		sp -= get_random_int() % 8192;
 	return sp & ~0xf;
 }
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index 2d50024c9f30..addc14af0c56 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -116,17 +116,17 @@ unsigned long convert_rip_to_linear(struct task_struct *child, struct pt_regs *r
 	return addr;
 }
 
-static int is_at_popf(struct task_struct *child, struct pt_regs *regs)
+static int is_setting_trap_flag(struct task_struct *child, struct pt_regs *regs)
 {
 	int i, copied;
-	unsigned char opcode[16];
+	unsigned char opcode[15];
 	unsigned long addr = convert_rip_to_linear(child, regs);
 
 	copied = access_process_vm(child, addr, opcode, sizeof(opcode), 0);
 	for (i = 0; i < copied; i++) {
 		switch (opcode[i]) {
-		/* popf */
-		case 0x9d:
+		/* popf and iret */
+		case 0x9d: case 0xcf:
 			return 1;
 
 			/* CHECKME: 64 65 */
@@ -138,14 +138,17 @@ static int is_at_popf(struct task_struct *child, struct pt_regs *regs)
 		case 0x26: case 0x2e:
 		case 0x36: case 0x3e:
 		case 0x64: case 0x65:
-		case 0xf0: case 0xf2: case 0xf3:
+		case 0xf2: case 0xf3:
 			continue;
 
-		/* REX prefixes */
 		case 0x40 ... 0x4f:
+			if (regs->cs != __USER_CS)
+				/* 32-bit mode: register increment */
+				return 0;
+			/* 64-bit mode: REX prefix */
 			continue;
 
-			/* CHECKME: f0, f2, f3 */
+			/* CHECKME: f2, f3 */
 
 		/*
 		 * pushf: NOTE! We should probably not let
@@ -186,10 +189,8 @@ static void set_singlestep(struct task_struct *child)
 	 * ..but if TF is changed by the instruction we will trace,
 	 * don't mark it as being "us" that set it, so that we
 	 * won't clear it by hand later.
-	 *
-	 * AK: this is not enough, LAHF and IRET can change TF in user space too.
 	 */
-	if (is_at_popf(child, regs))
+	if (is_setting_trap_flag(child, regs))
 		return;
 
 	child->ptrace |= PT_DTRACE;
@@ -420,9 +421,13 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 				if ((0x5554 >> ((data >> (16 + 4*i)) & 0xf)) & 1)
 					break;
 			if (i == 4) {
-				child->thread.debugreg7 = data;
+			  child->thread.debugreg7 = data;
+			  if (data)
+			  	set_tsk_thread_flag(child, TIF_DEBUG);
+			  else
+			  	clear_tsk_thread_flag(child, TIF_DEBUG);
 			  ret = 0;
-		  }
+		  	}
 		  break;
 		}
 		break;
diff --git a/arch/x86_64/kernel/relocate_kernel.S b/arch/x86_64/kernel/relocate_kernel.S
index d24fa9b72a2b..14e95872c6a3 100644
--- a/arch/x86_64/kernel/relocate_kernel.S
+++ b/arch/x86_64/kernel/relocate_kernel.S
@@ -7,31 +7,169 @@
  */
 
 #include <linux/linkage.h>
+#include <asm/page.h>
+#include <asm/kexec.h>
 
-	/*
-	 * Must be relocatable PIC code callable as a C function, that once
-	 * it starts can not use the previous processes stack.
-	 */
-	.globl relocate_new_kernel
+/*
+ * Must be relocatable PIC code callable as a C function
+ */
+
+#define PTR(x) (x << 3)
+#define PAGE_ALIGNED (1 << PAGE_SHIFT)
+#define PAGE_ATTR 0x63 /* _PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY */
+
+	.text
+	.align PAGE_ALIGNED
 	.code64
+	.globl relocate_kernel
+relocate_kernel:
+	/* %rdi indirection_page
+	 * %rsi page_list
+	 * %rdx start address
+	 */
+
+	/* map the control page at its virtual address */
+
+	movq	$0x0000ff8000000000, %r10        /* mask */
+	mov	$(39 - 3), %cl                   /* bits to shift */
+	movq	PTR(VA_CONTROL_PAGE)(%rsi), %r11 /* address to map */
+
+	movq	%r11, %r9
+	andq	%r10, %r9
+	shrq	%cl, %r9
+
+	movq	PTR(VA_PGD)(%rsi), %r8
+	addq	%r8, %r9
+	movq	PTR(PA_PUD_0)(%rsi), %r8
+	orq	$PAGE_ATTR, %r8
+	movq	%r8, (%r9)
+
+	shrq	$9, %r10
+	sub	$9, %cl
+
+	movq	%r11, %r9
+	andq	%r10, %r9
+	shrq	%cl, %r9
+
+	movq	PTR(VA_PUD_0)(%rsi), %r8
+	addq	%r8, %r9
+	movq	PTR(PA_PMD_0)(%rsi), %r8
+	orq	$PAGE_ATTR, %r8
+	movq	%r8, (%r9)
+
+	shrq	$9, %r10
+	sub	$9, %cl
+
+	movq	%r11, %r9
+	andq	%r10, %r9
+	shrq	%cl, %r9
+
+	movq	PTR(VA_PMD_0)(%rsi), %r8
+	addq	%r8, %r9
+	movq	PTR(PA_PTE_0)(%rsi), %r8
+	orq	$PAGE_ATTR, %r8
+	movq	%r8, (%r9)
+
+	shrq	$9, %r10
+	sub	$9, %cl
+
+	movq	%r11, %r9
+	andq	%r10, %r9
+	shrq	%cl, %r9
+
+	movq	PTR(VA_PTE_0)(%rsi), %r8
+	addq	%r8, %r9
+	movq	PTR(PA_CONTROL_PAGE)(%rsi), %r8
+	orq	$PAGE_ATTR, %r8
+	movq	%r8, (%r9)
+
+	/* identity map the control page at its physical address */
+
+	movq	$0x0000ff8000000000, %r10        /* mask */
+	mov	$(39 - 3), %cl                   /* bits to shift */
+	movq	PTR(PA_CONTROL_PAGE)(%rsi), %r11 /* address to map */
+
+	movq	%r11, %r9
+	andq	%r10, %r9
+	shrq	%cl, %r9
+
+	movq	PTR(VA_PGD)(%rsi), %r8
+	addq	%r8, %r9
+	movq	PTR(PA_PUD_1)(%rsi), %r8
+	orq	$PAGE_ATTR, %r8
+	movq	%r8, (%r9)
+
+	shrq	$9, %r10
+	sub	$9, %cl
+
+	movq	%r11, %r9
+	andq	%r10, %r9
+	shrq	%cl, %r9
+
+	movq	PTR(VA_PUD_1)(%rsi), %r8
+	addq	%r8, %r9
+	movq	PTR(PA_PMD_1)(%rsi), %r8
+	orq	$PAGE_ATTR, %r8
+	movq	%r8, (%r9)
+
+	shrq	$9, %r10
+	sub	$9, %cl
+
+	movq	%r11, %r9
+	andq	%r10, %r9
+	shrq	%cl, %r9
+
+	movq	PTR(VA_PMD_1)(%rsi), %r8
+	addq	%r8, %r9
+	movq	PTR(PA_PTE_1)(%rsi), %r8
+	orq	$PAGE_ATTR, %r8
+	movq	%r8, (%r9)
+
+	shrq	$9, %r10
+	sub	$9, %cl
+
+	movq	%r11, %r9
+	andq	%r10, %r9
+	shrq	%cl, %r9
+
+	movq	PTR(VA_PTE_1)(%rsi), %r8
+	addq	%r8, %r9
+	movq	PTR(PA_CONTROL_PAGE)(%rsi), %r8
+	orq	$PAGE_ATTR, %r8
+	movq	%r8, (%r9)
+
 relocate_new_kernel:
-	/* %rdi page_list
-	 * %rsi reboot_code_buffer
+	/* %rdi indirection_page
+	 * %rsi page_list
 	 * %rdx start address
-	 * %rcx page_table
-	 * %r8  arg5
-	 * %r9  arg6
 	 */
 
 	/* zero out flags, and disable interrupts */
 	pushq $0
 	popfq
 
-	/* set a new stack at the bottom of our page... */
-	lea   4096(%rsi), %rsp
+	/* get physical address of control page now */
+	/* this is impossible after page table switch */
+	movq	PTR(PA_CONTROL_PAGE)(%rsi), %r8
+
+	/* get physical address of page table now too */
+	movq	PTR(PA_TABLE_PAGE)(%rsi), %rcx
 
-	/* store the parameters back on the stack */
-	pushq	%rdx /* store the start address */
+	/* switch to new set of page tables */
+	movq	PTR(PA_PGD)(%rsi), %r9
+	movq	%r9, %cr3
+
+	/* setup a new stack at the end of the physical control page */
+	lea	4096(%r8), %rsp
+
+	/* jump to identity mapped page */
+	addq	$(identity_mapped - relocate_kernel), %r8
+	pushq	%r8
+	ret
+
+identity_mapped:
+	/* store the start address on the stack */
+	pushq   %rdx
 
 	/* Set cr0 to a known state:
 	 * 31 1 == Paging enabled
@@ -136,8 +274,3 @@ relocate_new_kernel:
 	xorq	%r15, %r15
 
 	ret
-relocate_new_kernel_end:
-
-	.globl relocate_new_kernel_size
-relocate_new_kernel_size:
-	.quad relocate_new_kernel_end - relocate_new_kernel
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 34afad704824..0b00bb2ea576 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -74,16 +74,6 @@ EXPORT_SYMBOL(boot_cpu_data);
 
 unsigned long mmu_cr4_features;
 
-int acpi_disabled;
-EXPORT_SYMBOL(acpi_disabled);
-#ifdef	CONFIG_ACPI
-extern int __initdata acpi_ht;
-extern acpi_interrupt_flags	acpi_sci_flags;
-int __initdata acpi_force = 0;
-#endif
-
-int acpi_numa __initdata;
-
 /* Boot loader ID as an integer, for the benefit of proc_dointvec */
 int bootloader_type;
 
@@ -107,7 +97,6 @@ struct sys_desc_table_struct {
 
 struct edid_info edid_info;
 EXPORT_SYMBOL_GPL(edid_info);
-struct e820map e820;
 
 extern int root_mountflags;
 
@@ -276,185 +265,22 @@ static void __init probe_roms(void)
 	}
 }
 
-/* Check for full argument with no trailing characters */
-static int fullarg(char *p, char *arg)
+#ifdef CONFIG_PROC_VMCORE
+/* elfcorehdr= specifies the location of elf core header
+ * stored by the crashed kernel. This option will be passed
+ * by kexec loader to the capture kernel.
+ */
+static int __init setup_elfcorehdr(char *arg)
 {
-	int l = strlen(arg);
-	return !memcmp(p, arg, l) && (p[l] == 0 || isspace(p[l]));
+	char *end;
+	if (!arg)
+		return -EINVAL;
+	elfcorehdr_addr = memparse(arg, &end);
+	return end > arg ? 0 : -EINVAL;
 }
-
-static __init void parse_cmdline_early (char ** cmdline_p)
-{
-	char c = ' ', *to = command_line, *from = COMMAND_LINE;
-	int len = 0;
-	int userdef = 0;
-
-	for (;;) {
-		if (c != ' ') 
-			goto next_char; 
-
-#ifdef  CONFIG_SMP
-		/*
-		 * If the BIOS enumerates physical processors before logical,
-		 * maxcpus=N at enumeration-time can be used to disable HT.
-		 */
-		else if (!memcmp(from, "maxcpus=", 8)) {
-			extern unsigned int maxcpus;
-
-			maxcpus = simple_strtoul(from + 8, NULL, 0);
-		}
-#endif
-#ifdef CONFIG_ACPI
-		/* "acpi=off" disables both ACPI table parsing and interpreter init */
-		if (fullarg(from,"acpi=off"))
-			disable_acpi();
-
-		if (fullarg(from, "acpi=force")) { 
-			/* add later when we do DMI horrors: */
-			acpi_force = 1;
-			acpi_disabled = 0;
-		}
-
-		/* acpi=ht just means: do ACPI MADT parsing 
-		   at bootup, but don't enable the full ACPI interpreter */
-		if (fullarg(from, "acpi=ht")) { 
-			if (!acpi_force)
-				disable_acpi();
-			acpi_ht = 1; 
-		}
-                else if (fullarg(from, "pci=noacpi")) 
-			acpi_disable_pci();
-		else if (fullarg(from, "acpi=noirq"))
-			acpi_noirq_set();
-
-		else if (fullarg(from, "acpi_sci=edge"))
-			acpi_sci_flags.trigger =  1;
-		else if (fullarg(from, "acpi_sci=level"))
-			acpi_sci_flags.trigger = 3;
-		else if (fullarg(from, "acpi_sci=high"))
-			acpi_sci_flags.polarity = 1;
-		else if (fullarg(from, "acpi_sci=low"))
-			acpi_sci_flags.polarity = 3;
-
-		/* acpi=strict disables out-of-spec workarounds */
-		else if (fullarg(from, "acpi=strict")) {
-			acpi_strict = 1;
-		}
-#ifdef CONFIG_X86_IO_APIC
-		else if (fullarg(from, "acpi_skip_timer_override"))
-			acpi_skip_timer_override = 1;
-#endif
-#endif
-
-		if (fullarg(from, "disable_timer_pin_1"))
-			disable_timer_pin_1 = 1;
-		if (fullarg(from, "enable_timer_pin_1"))
-			disable_timer_pin_1 = -1;
-
-		if (fullarg(from, "nolapic") || fullarg(from, "disableapic")) {
-			clear_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability);
-			disable_apic = 1;
-		}
-
-		if (fullarg(from, "noapic"))
-			skip_ioapic_setup = 1;
-
-		if (fullarg(from,"apic")) {
-			skip_ioapic_setup = 0;
-			ioapic_force = 1;
-		}
-			
-		if (!memcmp(from, "mem=", 4))
-			parse_memopt(from+4, &from); 
-
-		if (!memcmp(from, "memmap=", 7)) {
-			/* exactmap option is for used defined memory */
-			if (!memcmp(from+7, "exactmap", 8)) {
-#ifdef CONFIG_CRASH_DUMP
-				/* If we are doing a crash dump, we
-				 * still need to know the real mem
-				 * size before original memory map is
-				 * reset.
-				 */
-				saved_max_pfn = e820_end_of_ram();
-#endif
-				from += 8+7;
-				end_pfn_map = 0;
-				e820.nr_map = 0;
-				userdef = 1;
-			}
-			else {
-				parse_memmapopt(from+7, &from);
-				userdef = 1;
-			}
-		}
-
-#ifdef CONFIG_NUMA
-		if (!memcmp(from, "numa=", 5))
-			numa_setup(from+5); 
+early_param("elfcorehdr", setup_elfcorehdr);
 #endif
 
-		if (!memcmp(from,"iommu=",6)) { 
-			iommu_setup(from+6); 
-		}
-
-		if (fullarg(from,"oops=panic"))
-			panic_on_oops = 1;
-
-		if (!memcmp(from, "noexec=", 7))
-			nonx_setup(from + 7);
-
-#ifdef CONFIG_KEXEC
-		/* crashkernel=size@addr specifies the location to reserve for
-		 * a crash kernel.  By reserving this memory we guarantee
-		 * that linux never set's it up as a DMA target.
-		 * Useful for holding code to do something appropriate
-		 * after a kernel panic.
-		 */
-		else if (!memcmp(from, "crashkernel=", 12)) {
-			unsigned long size, base;
-			size = memparse(from+12, &from);
-			if (*from == '@') {
-				base = memparse(from+1, &from);
-				/* FIXME: Do I want a sanity check
-				 * to validate the memory range?
-				 */
-				crashk_res.start = base;
-				crashk_res.end   = base + size - 1;
-			}
-		}
-#endif
-
-#ifdef CONFIG_PROC_VMCORE
-		/* elfcorehdr= specifies the location of elf core header
-		 * stored by the crashed kernel. This option will be passed
-		 * by kexec loader to the capture kernel.
-		 */
-		else if(!memcmp(from, "elfcorehdr=", 11))
-			elfcorehdr_addr = memparse(from+11, &from);
-#endif
-
-#ifdef CONFIG_HOTPLUG_CPU
-		else if (!memcmp(from, "additional_cpus=", 16))
-			setup_additional_cpus(from+16);
-#endif
-
-	next_char:
-		c = *(from++);
-		if (!c)
-			break;
-		if (COMMAND_LINE_SIZE <= ++len)
-			break;
-		*(to++) = c;
-	}
-	if (userdef) {
-		printk(KERN_INFO "user-defined physical RAM map:\n");
-		e820_print_map("user");
-	}
-	*to = '\0';
-	*cmdline_p = command_line;
-}
-
 #ifndef CONFIG_NUMA
 static void __init
 contig_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
@@ -466,7 +292,8 @@ contig_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
 	if (bootmap == -1L)
 		panic("Cannot find bootmem map of size %ld\n",bootmap_size);
 	bootmap_size = init_bootmem(bootmap >> PAGE_SHIFT, end_pfn);
-	e820_bootmem_free(NODE_DATA(0), 0, end_pfn << PAGE_SHIFT);
+	e820_register_active_regions(0, start_pfn, end_pfn);
+	free_bootmem_with_active_regions(0, end_pfn);
 	reserve_bootmem(bootmap, bootmap_size);
 } 
 #endif
@@ -521,6 +348,8 @@ static void discover_ebda(void)
 
 void __init setup_arch(char **cmdline_p)
 {
+	printk(KERN_INFO "Command line: %s\n", saved_command_line);
+
  	ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
  	screen_info = SCREEN_INFO;
 	edid_info = EDID_INFO;
@@ -547,16 +376,22 @@ void __init setup_arch(char **cmdline_p)
 	data_resource.start = virt_to_phys(&_etext);
 	data_resource.end = virt_to_phys(&_edata)-1;
 
-	parse_cmdline_early(cmdline_p);
-
 	early_identify_cpu(&boot_cpu_data);
 
+	strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE);
+	*cmdline_p = command_line;
+
+	parse_early_param();
+
+	finish_e820_parsing();
+
+	e820_register_active_regions(0, 0, -1UL);
 	/*
 	 * partially used pages are not usable - thus
 	 * we are rounding upwards:
 	 */
 	end_pfn = e820_end_of_ram();
-	num_physpages = end_pfn;		/* for pfn_valid */
+	num_physpages = end_pfn;
 
 	check_efer();
 
@@ -576,6 +411,14 @@ void __init setup_arch(char **cmdline_p)
 	acpi_boot_table_init();
 #endif
 
+	/* How many end-of-memory variables you have, grandma! */
+	max_low_pfn = end_pfn;
+	max_pfn = end_pfn;
+	high_memory = (void *)__va(end_pfn * PAGE_SIZE - 1) + 1;
+
+	/* Remove active ranges so rediscovery with NUMA-awareness happens */
+	remove_all_active_ranges();
+
 #ifdef CONFIG_ACPI_NUMA
 	/*
 	 * Parse SRAT to discover nodes.
@@ -625,12 +468,10 @@ void __init setup_arch(char **cmdline_p)
         */
        acpi_reserve_bootmem();
 #endif
-#ifdef CONFIG_X86_LOCAL_APIC
 	/*
 	 * Find and reserve possible boot-time SMP configuration:
 	 */
 	find_smp_config();
-#endif
 #ifdef CONFIG_BLK_DEV_INITRD
 	if (LOADER_TYPE && INITRD_START) {
 		if (INITRD_START + INITRD_SIZE <= (end_pfn << PAGE_SHIFT)) {
@@ -657,7 +498,9 @@ void __init setup_arch(char **cmdline_p)
 
 	paging_init();
 
-	check_ioapic();
+#ifdef CONFIG_PCI
+	early_quirks();
+#endif
 
 	/*
 	 * set this early, so we dont allocate cpu0
@@ -674,14 +517,12 @@ void __init setup_arch(char **cmdline_p)
 
 	init_cpu_to_node();
 
-#ifdef CONFIG_X86_LOCAL_APIC
 	/*
 	 * get boot-time SMP configuration:
 	 */
 	if (smp_found_config)
 		get_smp_config();
 	init_apic_mappings();
-#endif
 
 	/*
 	 * Request address space for all standard RAM and ROM resources
@@ -689,6 +530,7 @@ void __init setup_arch(char **cmdline_p)
 	 */
 	probe_roms();
 	e820_reserve_resources(); 
+	e820_mark_nosave_regions();
 
 	request_resource(&iomem_resource, &video_ram_resource);
 
@@ -838,7 +680,7 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
 #endif
 }
 
-static void __init init_amd(struct cpuinfo_x86 *c)
+static void __cpuinit init_amd(struct cpuinfo_x86 *c)
 {
 	unsigned level;
 
@@ -894,6 +736,12 @@ static void __init init_amd(struct cpuinfo_x86 *c)
 
 	/* Fix cpuid4 emulation for more */
 	num_cache_leaves = 3;
+
+	/* When there is only one core no need to synchronize RDTSC */
+	if (num_possible_cpus() == 1)
+	        set_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
+	else
+	        clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
 }
 
 static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
@@ -975,8 +823,7 @@ static void srat_detect_node(void)
 		node = first_node(node_online_map);
 	numa_set_node(cpu, node);
 
-	if (acpi_numa > 0)
-		printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
+	printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
 #endif
 }
 
@@ -1010,6 +857,8 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
 	if ((c->x86 == 0xf && c->x86_model >= 0x03) ||
 	    (c->x86 == 0x6 && c->x86_model >= 0x0e))
 		set_bit(X86_FEATURE_CONSTANT_TSC, &c->x86_capability);
+	if (c->x86 == 6)
+		set_bit(X86_FEATURE_REP_GOOD, &c->x86_capability);
 	set_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
  	c->x86_max_cores = intel_num_cpu_cores(c);
 
@@ -1228,8 +1077,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 
 		/* Intel-defined (#2) */
 		"pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est",
-		"tm2", NULL, "cid", NULL, NULL, "cx16", "xtpr", NULL,
-		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+		"tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL,
+		NULL, NULL, "dca", NULL, NULL, NULL, NULL, NULL,
 		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 
 		/* VIA/Cyrix/Centaur-defined */
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c
index 417de564456e..8c4b80fe71a1 100644
--- a/arch/x86_64/kernel/setup64.c
+++ b/arch/x86_64/kernel/setup64.c
@@ -24,7 +24,7 @@
 #include <asm/proto.h>
 #include <asm/sections.h>
 
-char x86_boot_params[BOOT_PARAM_SIZE] __initdata = {0,};
+char x86_boot_params[BOOT_PARAM_SIZE] __initdata;
 
 cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE;
 
@@ -46,8 +46,10 @@ Control non executable mappings for 64bit processes.
 on	Enable(default)
 off	Disable
 */ 
-int __init nonx_setup(char *str)
+static int __init nonx_setup(char *str)
 {
+	if (!str)
+		return -EINVAL;
 	if (!strncmp(str, "on", 2)) {
                 __supported_pte_mask |= _PAGE_NX; 
  		do_not_nx = 0; 
@@ -55,9 +57,9 @@ int __init nonx_setup(char *str)
 		do_not_nx = 1;
 		__supported_pte_mask &= ~_PAGE_NX;
         }
-	return 1;
+	return 0;
 } 
-__setup("noexec=", nonx_setup);	/* parsed early actually */
+early_param("noexec", nonx_setup);
 
 int force_personality32 = 0; 
 
@@ -93,12 +95,9 @@ void __init setup_per_cpu_areas(void)
 #endif
 
 	/* Copy section for each CPU (we discard the original) */
-	size = ALIGN(__per_cpu_end - __per_cpu_start, SMP_CACHE_BYTES);
-#ifdef CONFIG_MODULES
-	if (size < PERCPU_ENOUGH_ROOM)
-		size = PERCPU_ENOUGH_ROOM;
-#endif
+	size = PERCPU_ENOUGH_ROOM;
 
+	printk(KERN_INFO "PERCPU: Allocating %lu bytes of per cpu data\n", size);
 	for_each_cpu_mask (i, cpu_possible_map) {
 		char *ptr;
 
@@ -122,7 +121,10 @@ void pda_init(int cpu)
 
 	/* Setup up data that may be needed in __get_free_pages early */
 	asm volatile("movl %0,%%fs ; movl %0,%%gs" :: "r" (0)); 
+	/* Memory clobbers used to order PDA accessed */
+	mb();
 	wrmsrl(MSR_GS_BASE, pda);
+	mb();
 
 	pda->cpunumber = cpu; 
 	pda->irqcount = -1;
@@ -178,6 +180,8 @@ void __cpuinit check_efer(void)
         }       
 }
 
+unsigned long kernel_eflags;
+
 /*
  * cpu_init() initializes state that is per-CPU. Some data is already
  * initialized (naturally) in the bootstrap process, such as the GDT
@@ -235,28 +239,17 @@ void __cpuinit cpu_init (void)
 	 * set up and load the per-CPU TSS
 	 */
 	for (v = 0; v < N_EXCEPTION_STACKS; v++) {
+		static const unsigned int order[N_EXCEPTION_STACKS] = {
+			[0 ... N_EXCEPTION_STACKS - 1] = EXCEPTION_STACK_ORDER,
+			[DEBUG_STACK - 1] = DEBUG_STACK_ORDER
+		};
 		if (cpu) {
-			static const unsigned int order[N_EXCEPTION_STACKS] = {
-				[0 ... N_EXCEPTION_STACKS - 1] = EXCEPTION_STACK_ORDER,
-				[DEBUG_STACK - 1] = DEBUG_STACK_ORDER
-			};
-
 			estacks = (char *)__get_free_pages(GFP_ATOMIC, order[v]);
 			if (!estacks)
 				panic("Cannot allocate exception stack %ld %d\n",
 				      v, cpu); 
 		}
-		switch (v + 1) {
-#if DEBUG_STKSZ > EXCEPTION_STKSZ
-		case DEBUG_STACK:
-			cpu_pda(cpu)->debugstack = (unsigned long)estacks;
-			estacks += DEBUG_STKSZ;
-			break;
-#endif
-		default:
-			estacks += EXCEPTION_STKSZ;
-			break;
-		}
+		estacks += PAGE_SIZE << order[v];
 		orig_ist->ist[v] = t->ist[v] = (unsigned long)estacks;
 	}
 
@@ -290,4 +283,6 @@ void __cpuinit cpu_init (void)
 	set_debugreg(0UL, 7);
 
 	fpu_init(); 
+
+	raw_local_save_flags(kernel_eflags);
 }
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index 28161170fb0a..49ec324cd141 100644
--- a/arch/x86_64/kernel/signal.c
+++ b/arch/x86_64/kernel/signal.c
@@ -38,37 +38,6 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
             sigset_t *set, struct pt_regs * regs); 
 
 asmlinkage long
-sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize, struct pt_regs *regs)
-{
-	sigset_t saveset, newset;
-
-	/* XXX: Don't preclude handling different sized sigset_t's.  */
-	if (sigsetsize != sizeof(sigset_t))
-		return -EINVAL;
-
-	if (copy_from_user(&newset, unewset, sizeof(newset)))
-		return -EFAULT;
-	sigdelsetmask(&newset, ~_BLOCKABLE);
-
-	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
-	current->blocked = newset;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-#ifdef DEBUG_SIG
-	printk("rt_sigsuspend savset(%lx) newset(%lx) regs(%p) rip(%lx)\n",
-		saveset, newset, regs, regs->rip);
-#endif 
-	regs->rax = -EINTR;
-	while (1) {
-		current->state = TASK_INTERRUPTIBLE;
-		schedule();
-		if (do_signal(regs, &saveset))
-			return -EINTR;
-	}
-}
-
-asmlinkage long
 sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
 		struct pt_regs *regs)
 {
@@ -308,11 +277,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 #endif
 
 	/* Set up registers for signal handler */
-	{ 
-		struct exec_domain *ed = current_thread_info()->exec_domain;
-		if (unlikely(ed && ed->signal_invmap && sig < 32))
-			sig = ed->signal_invmap[sig];
-	} 
 	regs->rdi = sig;
 	/* In case the signal handler was declared without prototypes */ 
 	regs->rax = 0;	
@@ -341,11 +305,11 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 		current->comm, current->pid, frame, regs->rip, frame->pretcode);
 #endif
 
-	return 1;
+	return 0;
 
 give_sigsegv:
 	force_sigsegv(sig, current);
-	return 0;
+	return -EFAULT;
 }
 
 /*
@@ -408,7 +372,7 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
 #endif
 	ret = setup_rt_frame(sig, ka, info, oldset, regs);
 
-	if (ret) {
+	if (ret == 0) {
 		spin_lock_irq(&current->sighand->siglock);
 		sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
 		if (!(ka->sa.sa_flags & SA_NODEFER))
@@ -425,11 +389,12 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-int do_signal(struct pt_regs *regs, sigset_t *oldset)
+static void do_signal(struct pt_regs *regs)
 {
 	struct k_sigaction ka;
 	siginfo_t info;
 	int signr;
+	sigset_t *oldset;
 
 	/*
 	 * We want the common case to go fast, which
@@ -438,9 +403,11 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 	 * if so.
 	 */
 	if (!user_mode(regs))
-		return 1;
+		return;
 
-	if (!oldset)
+	if (test_thread_flag(TIF_RESTORE_SIGMASK))
+		oldset = &current->saved_sigmask;
+	else
 		oldset = &current->blocked;
 
 	signr = get_signal_to_deliver(&info, &ka, regs, NULL);
@@ -454,30 +421,46 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 			set_debugreg(current->thread.debugreg7, 7);
 
 		/* Whee!  Actually deliver the signal.  */
-		return handle_signal(signr, &info, &ka, oldset, regs);
+		if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
+			/* a signal was successfully delivered; the saved
+			 * sigmask will have been stored in the signal frame,
+			 * and will be restored by sigreturn, so we can simply
+			 * clear the TIF_RESTORE_SIGMASK flag */
+			clear_thread_flag(TIF_RESTORE_SIGMASK);
+		}
+		return;
 	}
 
 	/* Did we come from a system call? */
 	if ((long)regs->orig_rax >= 0) {
 		/* Restart the system call - no handlers present */
 		long res = regs->rax;
-		if (res == -ERESTARTNOHAND ||
-		    res == -ERESTARTSYS ||
-		    res == -ERESTARTNOINTR) {
+		switch (res) {
+		case -ERESTARTNOHAND:
+		case -ERESTARTSYS:
+		case -ERESTARTNOINTR:
 			regs->rax = regs->orig_rax;
 			regs->rip -= 2;
-		}
-		if (regs->rax == (unsigned long)-ERESTART_RESTARTBLOCK) {
+			break;
+		case -ERESTART_RESTARTBLOCK:
 			regs->rax = test_thread_flag(TIF_IA32) ?
 					__NR_ia32_restart_syscall :
 					__NR_restart_syscall;
 			regs->rip -= 2;
+			break;
 		}
 	}
-	return 0;
+
+	/* if there's no signal to deliver, we just put the saved sigmask
+	   back. */
+	if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+		clear_thread_flag(TIF_RESTORE_SIGMASK);
+		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+	}
 }
 
-void do_notify_resume(struct pt_regs *regs, sigset_t *oldset, __u32 thread_info_flags)
+void
+do_notify_resume(struct pt_regs *regs, void *unused, __u32 thread_info_flags)
 {
 #ifdef DEBUG_SIG
 	printk("do_notify_resume flags:%x rip:%lx rsp:%lx caller:%lx pending:%lx\n",
@@ -491,8 +474,8 @@ void do_notify_resume(struct pt_regs *regs, sigset_t *oldset, __u32 thread_info_
 	}
 
 	/* deal with pending signal delivery */
-	if (thread_info_flags & _TIF_SIGPENDING)
-		do_signal(regs,oldset);
+	if (thread_info_flags & (_TIF_SIGPENDING|_TIF_RESTORE_SIGMASK))
+		do_signal(regs);
 }
 
 void signal_fault(struct pt_regs *regs, void __user *frame, char *where)
diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c
index 06af6ca60129..4f67697f5036 100644
--- a/arch/x86_64/kernel/smp.c
+++ b/arch/x86_64/kernel/smp.c
@@ -522,26 +522,3 @@ asmlinkage void smp_call_function_interrupt(void)
 	}
 }
 
-int safe_smp_processor_id(void)
-{
-	unsigned apicid, i;
-
-	if (disable_apic)
-		return 0;
-
-	apicid = hard_smp_processor_id();
-	if (apicid < NR_CPUS && x86_cpu_to_apicid[apicid] == apicid)
-		return apicid;
-
-	for (i = 0; i < NR_CPUS; ++i) {
-		if (x86_cpu_to_apicid[i] == apicid)
-			return i;
-	}
-
-	/* No entries in x86_cpu_to_apicid?  Either no MPS|ACPI,
-	 * or called too early.  Either way, we must be CPU 0. */
-      	if (x86_cpu_to_apicid[0] == BAD_APICID)
-		return 0;
-
-	return 0; /* Should not happen */
-}
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 975380207b46..7b7a6870288a 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -46,9 +46,10 @@
 #include <linux/bootmem.h>
 #include <linux/thread_info.h>
 #include <linux/module.h>
-
 #include <linux/delay.h>
 #include <linux/mc146818rtc.h>
+#include <linux/smp.h>
+
 #include <asm/mtrr.h>
 #include <asm/pgalloc.h>
 #include <asm/desc.h>
@@ -1090,7 +1091,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 	/*
 	 * Switch from PIC to APIC mode.
 	 */
-	connect_bsp_APIC();
 	setup_local_APIC();
 
 	if (GET_APIC_ID(apic_read(APIC_ID)) != boot_cpu_id) {
@@ -1175,12 +1175,9 @@ int __cpuinit __cpu_up(unsigned int cpu)
 void __init smp_cpus_done(unsigned int max_cpus)
 {
 	smp_cleanup_boot();
-
-#ifdef CONFIG_X86_IO_APIC
 	setup_ioapic_dest();
-#endif
-
 	check_nmi_watchdog();
+	time_init_gtod();
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -1233,6 +1230,8 @@ int __cpu_disable(void)
 	if (cpu == 0)
 		return -EBUSY;
 
+	if (nmi_watchdog == NMI_LOCAL_APIC)
+		stop_apic_nmi_watchdog(NULL);
 	clear_local_APIC();
 
 	/*
@@ -1272,11 +1271,11 @@ void __cpu_die(unsigned int cpu)
  	printk(KERN_ERR "CPU %u didn't die...\n", cpu);
 }
 
-__init int setup_additional_cpus(char *s)
+static __init int setup_additional_cpus(char *s)
 {
-	return get_option(&s, &additional_cpus);
+	return s && get_option(&s, &additional_cpus) ? 0 : -EINVAL;
 }
-__setup("additional_cpus=", setup_additional_cpus);
+early_param("additional_cpus", setup_additional_cpus);
 
 #else /* ... !CONFIG_HOTPLUG_CPU */
 
diff --git a/arch/x86_64/kernel/stacktrace.c b/arch/x86_64/kernel/stacktrace.c
index 32cf55eb9af8..6026b31d037e 100644
--- a/arch/x86_64/kernel/stacktrace.c
+++ b/arch/x86_64/kernel/stacktrace.c
@@ -7,215 +7,49 @@
  */
 #include <linux/sched.h>
 #include <linux/stacktrace.h>
+#include <linux/module.h>
+#include <asm/stacktrace.h>
 
-#include <asm/smp.h>
-
-static inline int
-in_range(unsigned long start, unsigned long addr, unsigned long end)
+static void save_stack_warning(void *data, char *msg)
 {
-	return addr >= start && addr <= end;
 }
 
-static unsigned long
-get_stack_end(struct task_struct *task, unsigned long stack)
+static void
+save_stack_warning_symbol(void *data, char *msg, unsigned long symbol)
 {
-	unsigned long stack_start, stack_end, flags;
-	int i, cpu;
-
-	/*
-	 * The most common case is that we are in the task stack:
-	 */
-	stack_start = (unsigned long)task->thread_info;
-	stack_end = stack_start + THREAD_SIZE;
-
-	if (in_range(stack_start, stack, stack_end))
-		return stack_end;
-
-	/*
-	 * We are in an interrupt if irqstackptr is set:
-	 */
-	raw_local_irq_save(flags);
-	cpu = safe_smp_processor_id();
-	stack_end = (unsigned long)cpu_pda(cpu)->irqstackptr;
-
-	if (stack_end) {
-		stack_start = stack_end & ~(IRQSTACKSIZE-1);
-		if (in_range(stack_start, stack, stack_end))
-			goto out_restore;
-		/*
-		 * We get here if we are in an IRQ context but we
-		 * are also in an exception stack.
-		 */
-	}
-
-	/*
-	 * Iterate over all exception stacks, and figure out whether
-	 * 'stack' is in one of them:
-	 */
-	for (i = 0; i < N_EXCEPTION_STACKS; i++) {
-		/*
-		 * set 'end' to the end of the exception stack.
-		 */
-		stack_end = per_cpu(init_tss, cpu).ist[i];
-		stack_start = stack_end - EXCEPTION_STKSZ;
-
-		/*
-		 * Is 'stack' above this exception frame's end?
-		 * If yes then skip to the next frame.
-		 */
-		if (stack >= stack_end)
-			continue;
-		/*
-		 * Is 'stack' above this exception frame's start address?
-		 * If yes then we found the right frame.
-		 */
-		if (stack >= stack_start)
-			goto out_restore;
-
-		/*
-		 * If this is a debug stack, and if it has a larger size than
-		 * the usual exception stacks, then 'stack' might still
-		 * be within the lower portion of the debug stack:
-		 */
-#if DEBUG_STKSZ > EXCEPTION_STKSZ
-		if (i == DEBUG_STACK - 1 && stack >= stack_end - DEBUG_STKSZ) {
-			/*
-			 * Black magic. A large debug stack is composed of
-			 * multiple exception stack entries, which we
-			 * iterate through now. Dont look:
-			 */
-			do {
-				stack_end -= EXCEPTION_STKSZ;
-				stack_start -= EXCEPTION_STKSZ;
-			} while (stack < stack_start);
-
-			goto out_restore;
-		}
-#endif
-	}
-	/*
-	 * Ok, 'stack' is not pointing to any of the system stacks.
-	 */
-	stack_end = 0;
-
-out_restore:
-	raw_local_irq_restore(flags);
-
-	return stack_end;
 }
 
-
-/*
- * Save stack-backtrace addresses into a stack_trace buffer:
- */
-static inline unsigned long
-save_context_stack(struct stack_trace *trace, unsigned int skip,
-		   unsigned long stack, unsigned long stack_end)
+static int save_stack_stack(void *data, char *name)
 {
-	unsigned long addr;
-
-#ifdef CONFIG_FRAME_POINTER
-	unsigned long prev_stack = 0;
+	struct stack_trace *trace = (struct stack_trace *)data;
+	return trace->all_contexts ? 0 : -1;
+}
 
-	while (in_range(prev_stack, stack, stack_end)) {
-		pr_debug("stack:          %p\n", (void *)stack);
-		addr = (unsigned long)(((unsigned long *)stack)[1]);
-		pr_debug("addr:           %p\n", (void *)addr);
-		if (!skip)
-			trace->entries[trace->nr_entries++] = addr-1;
-		else
-			skip--;
-		if (trace->nr_entries >= trace->max_entries)
-			break;
-		if (!addr)
-			return 0;
-		/*
-		 * Stack frames must go forwards (otherwise a loop could
-		 * happen if the stackframe is corrupted), so we move
-		 * prev_stack forwards:
-		 */
-		prev_stack = stack;
-		stack = (unsigned long)(((unsigned long *)stack)[0]);
-	}
-	pr_debug("invalid:        %p\n", (void *)stack);
-#else
-	while (stack < stack_end) {
-		addr = ((unsigned long *)stack)[0];
-		stack += sizeof(long);
-		if (__kernel_text_address(addr)) {
-			if (!skip)
-				trace->entries[trace->nr_entries++] = addr-1;
-			else
-				skip--;
-			if (trace->nr_entries >= trace->max_entries)
-				break;
-		}
+static void save_stack_address(void *data, unsigned long addr)
+{
+	struct stack_trace *trace = (struct stack_trace *)data;
+	if (trace->skip > 0) {
+		trace->skip--;
+		return;
 	}
-#endif
-	return stack;
+	if (trace->nr_entries < trace->max_entries - 1)
+		trace->entries[trace->nr_entries++] = addr;
 }
 
-#define MAX_STACKS 10
+static struct stacktrace_ops save_stack_ops = {
+	.warning = save_stack_warning,
+	.warning_symbol = save_stack_warning_symbol,
+	.stack = save_stack_stack,
+	.address = save_stack_address,
+};
 
 /*
  * Save stack-backtrace addresses into a stack_trace buffer.
- * If all_contexts is set, all contexts (hardirq, softirq and process)
- * are saved. If not set then only the current context is saved.
  */
-void save_stack_trace(struct stack_trace *trace,
-		      struct task_struct *task, int all_contexts,
-		      unsigned int skip)
+void save_stack_trace(struct stack_trace *trace, struct task_struct *task)
 {
-	unsigned long stack = (unsigned long)&stack;
-	int i, nr_stacks = 0, stacks_done[MAX_STACKS];
-
-	WARN_ON(trace->nr_entries || !trace->max_entries);
-
-	if (!task)
-		task = current;
-
-	pr_debug("task: %p, ti: %p\n", task, task->thread_info);
-
-	if (!task || task == current) {
-		/* Grab rbp right from our regs: */
-		asm ("mov %%rbp, %0" : "=r" (stack));
-		pr_debug("rbp:            %p\n", (void *)stack);
-	} else {
-		/* rbp is the last reg pushed by switch_to(): */
-		stack = task->thread.rsp;
-		pr_debug("other task rsp: %p\n", (void *)stack);
-		stack = (unsigned long)(((unsigned long *)stack)[0]);
-		pr_debug("other task rbp: %p\n", (void *)stack);
-	}
-
-	while (1) {
-		unsigned long stack_end = get_stack_end(task, stack);
-
-		pr_debug("stack:          %p\n", (void *)stack);
-		pr_debug("stack end:      %p\n", (void *)stack_end);
-
-		/*
-		 * Invalid stack addres?
-		 */
-		if (!stack_end)
-			return;
-		/*
-		 * Were we in this stack already? (recursion)
-		 */
-		for (i = 0; i < nr_stacks; i++)
-			if (stacks_done[i] == stack_end)
-				return;
-		stacks_done[nr_stacks] = stack_end;
-
-		stack = save_context_stack(trace, skip, stack, stack_end);
-		if (!all_contexts || !stack ||
-				trace->nr_entries >= trace->max_entries)
-			return;
-		trace->entries[trace->nr_entries++] = ULONG_MAX;
-		if (trace->nr_entries >= trace->max_entries)
-			return;
-		if (++nr_stacks >= MAX_STACKS)
-			return;
-	}
+	dump_trace(task, NULL, NULL, &save_stack_ops, trace);
+	trace->entries[trace->nr_entries++] = ULONG_MAX;
 }
+EXPORT_SYMBOL(save_stack_trace);
 
diff --git a/arch/x86_64/kernel/suspend_asm.S b/arch/x86_64/kernel/suspend_asm.S
index 320b6fb00cca..bfbe00763c68 100644
--- a/arch/x86_64/kernel/suspend_asm.S
+++ b/arch/x86_64/kernel/suspend_asm.S
@@ -54,7 +54,7 @@ ENTRY(restore_image)
 	movq	%rcx, %cr3;
 	movq	%rax, %cr4;  # turn PGE back on
 
-	movq	pagedir_nosave(%rip), %rdx
+	movq	restore_pblist(%rip), %rdx
 loop:
 	testq	%rdx, %rdx
 	jz	done
diff --git a/arch/x86_64/kernel/tce.c b/arch/x86_64/kernel/tce.c
index 5530dda3f27a..cbabfdf78e06 100644
--- a/arch/x86_64/kernel/tce.c
+++ b/arch/x86_64/kernel/tce.c
@@ -1,4 +1,6 @@
 /*
+ * This file manages the translation entries for the IBM Calgary IOMMU.
+ *
  * Derived from arch/powerpc/platforms/pseries/iommu.c
  *
  * Copyright (C) IBM Corporation, 2006
@@ -104,14 +106,6 @@ static int tce_table_setparms(struct pci_dev *dev, struct iommu_table *tbl)
 	/* set the tce table size - measured in entries */
 	tbl->it_size = table_size_to_number_of_entries(specified_table_size);
 
-	tbl->it_base = (unsigned long)tce_table_kva[dev->bus->number];
-	if (!tbl->it_base) {
-		printk(KERN_ERR "Calgary: iommu_table_setparms: "
-		       "no table allocated?!\n");
-		ret = -ENOMEM;
-		goto done;
-	}
-
 	/*
 	 * number of bytes needed for the bitmap size in number of
 	 * entries; we need one bit per entry
@@ -160,8 +154,6 @@ int build_tce_table(struct pci_dev *dev, void __iomem *bbar)
 	if (ret)
 		goto free_tbl;
 
-	tce_free(tbl, 0, tbl->it_size);
-
 	tbl->bbar = bbar;
 
 	/*
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 7a9b18224182..1c255ee76e7c 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -24,6 +24,8 @@
 #include <linux/device.h>
 #include <linux/sysdev.h>
 #include <linux/bcd.h>
+#include <linux/notifier.h>
+#include <linux/cpu.h>
 #include <linux/kallsyms.h>
 #include <linux/acpi.h>
 #ifdef CONFIG_ACPI
@@ -39,9 +41,7 @@
 #include <asm/sections.h>
 #include <linux/cpufreq.h>
 #include <linux/hpet.h>
-#ifdef CONFIG_X86_LOCAL_APIC
 #include <asm/apic.h>
-#endif
 
 #ifdef CONFIG_CPU_FREQ
 static void cpufreq_delayed_get(void);
@@ -49,7 +49,7 @@ static void cpufreq_delayed_get(void);
 extern void i8254_timer_resume(void);
 extern int using_apic_timer;
 
-static char *time_init_gtod(void);
+static char *timename = NULL;
 
 DEFINE_SPINLOCK(rtc_lock);
 EXPORT_SYMBOL(rtc_lock);
@@ -187,20 +187,15 @@ unsigned long profile_pc(struct pt_regs *regs)
 {
 	unsigned long pc = instruction_pointer(regs);
 
-	/* Assume the lock function has either no stack frame or only a single 
-	   word.  This checks if the address on the stack looks like a kernel 
-	   text address.
-	   There is a small window for false hits, but in that case the tick
-	   is just accounted to the spinlock function.
-	   Better would be to write these functions in assembler again
-	   and check exactly. */
+	/* Assume the lock function has either no stack frame or a copy
+	   of eflags from PUSHF
+	   Eflags always has bits 22 and up cleared unlike kernel addresses. */
 	if (!user_mode(regs) && in_lock_functions(pc)) {
-		char *v = *(char **)regs->rsp;
-		if ((v >= _stext && v <= _etext) ||
-			(v >= _sinittext && v <= _einittext) ||
-			(v >= (char *)MODULES_VADDR  && v <= (char *)MODULES_END))
-			return (unsigned long)v;
-		return ((unsigned long *)regs->rsp)[1];
+		unsigned long *sp = (unsigned long *)regs->rsp;
+		if (sp[0] >> 22)
+			return sp[0];
+		if (sp[1] >> 22)
+			return sp[1];
 	}
 	return pc;
 }
@@ -281,6 +276,7 @@ static void set_rtc_mmss(unsigned long nowtime)
  *		Note: This function is required to return accurate
  *		time even in the absence of multiple timer ticks.
  */
+static inline unsigned long long cycles_2_ns(unsigned long long cyc);
 unsigned long long monotonic_clock(void)
 {
 	unsigned long seq;
@@ -305,8 +301,7 @@ unsigned long long monotonic_clock(void)
 			base = monotonic_base;
 		} while (read_seqretry(&xtime_lock, seq));
 		this_offset = get_cycles_sync();
-		/* FIXME: 1000 or 1000000? */
-		offset = (this_offset - last_offset)*1000 / cpu_khz;
+		offset = cycles_2_ns(this_offset - last_offset);
 	}
 	return base + offset;
 }
@@ -410,8 +405,7 @@ void main_timer_handler(struct pt_regs *regs)
 			offset %= USEC_PER_TICK;
 		}
 
-		/* FIXME: 1000 or 1000000? */
-		monotonic_base += (tsc - vxtime.last_tsc) * 1000000 / cpu_khz;
+		monotonic_base += cycles_2_ns(tsc - vxtime.last_tsc);
 
 		vxtime.last_tsc = tsc - vxtime.quot * delay / vxtime.tsc_quot;
 
@@ -441,12 +435,8 @@ void main_timer_handler(struct pt_regs *regs)
  * have to call the local interrupt handler.
  */
 
-#ifndef CONFIG_X86_LOCAL_APIC
-	profile_tick(CPU_PROFILING, regs);
-#else
 	if (!using_apic_timer)
 		smp_local_timer_interrupt(regs);
-#endif
 
 /*
  * If we have an externally synchronized Linux clock, then update CMOS clock
@@ -470,10 +460,8 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	if (apic_runs_main_timer > 1)
 		return IRQ_HANDLED;
 	main_timer_handler(regs);
-#ifdef CONFIG_X86_LOCAL_APIC
 	if (using_apic_timer)
 		smp_send_timer_broadcast_ipi();
-#endif
 	return IRQ_HANDLED;
 }
 
@@ -893,11 +881,17 @@ static struct irqaction irq0 = {
 	timer_interrupt, IRQF_DISABLED, CPU_MASK_NONE, "timer", NULL, NULL
 };
 
-void __init time_init(void)
+static int __cpuinit
+time_cpu_notifier(struct notifier_block *nb, unsigned long action, void *hcpu)
 {
-	char *timename;
-	char *gtod;
+	unsigned cpu = (unsigned long) hcpu;
+	if (action == CPU_ONLINE)
+		vsyscall_set_cpu(cpu);
+	return NOTIFY_DONE;
+}
 
+void __init time_init(void)
+{
 	if (nohpet)
 		vxtime.hpet_address = 0;
 
@@ -931,18 +925,17 @@ void __init time_init(void)
 	}
 
 	vxtime.mode = VXTIME_TSC;
-	gtod = time_init_gtod();
-
-	printk(KERN_INFO "time.c: Using %ld.%06ld MHz WALL %s GTOD %s timer.\n",
-	       vxtime_hz / 1000000, vxtime_hz % 1000000, timename, gtod);
-	printk(KERN_INFO "time.c: Detected %d.%03d MHz processor.\n",
-		cpu_khz / 1000, cpu_khz % 1000);
 	vxtime.quot = (USEC_PER_SEC << US_SCALE) / vxtime_hz;
 	vxtime.tsc_quot = (USEC_PER_MSEC << US_SCALE) / cpu_khz;
 	vxtime.last_tsc = get_cycles_sync();
+	set_cyc2ns_scale(cpu_khz);
 	setup_irq(0, &irq0);
+	hotcpu_notifier(time_cpu_notifier, 0);
+	time_cpu_notifier(NULL, CPU_ONLINE, (void *)(long)smp_processor_id());
 
-	set_cyc2ns_scale(cpu_khz);
+#ifndef CONFIG_SMP
+	time_init_gtod();
+#endif
 }
 
 /*
@@ -973,12 +966,18 @@ __cpuinit int unsynchronized_tsc(void)
 /*
  * Decide what mode gettimeofday should use.
  */
-__init static char *time_init_gtod(void)
+void time_init_gtod(void)
 {
 	char *timetype;
 
 	if (unsynchronized_tsc())
 		notsc = 1;
+
+ 	if (cpu_has(&boot_cpu_data, X86_FEATURE_RDTSCP))
+		vgetcpu_mode = VGETCPU_RDTSCP;
+	else
+		vgetcpu_mode = VGETCPU_LSL;
+
 	if (vxtime.hpet_address && notsc) {
 		timetype = hpet_use_timer ? "HPET" : "PIT/HPET";
 		if (hpet_use_timer)
@@ -1001,7 +1000,16 @@ __init static char *time_init_gtod(void)
 		timetype = hpet_use_timer ? "HPET/TSC" : "PIT/TSC";
 		vxtime.mode = VXTIME_TSC;
 	}
-	return timetype;
+
+	printk(KERN_INFO "time.c: Using %ld.%06ld MHz WALL %s GTOD %s timer.\n",
+	       vxtime_hz / 1000000, vxtime_hz % 1000000, timename, timetype);
+	printk(KERN_INFO "time.c: Detected %d.%03d MHz processor.\n",
+		cpu_khz / 1000, cpu_khz % 1000);
+	vxtime.quot = (USEC_PER_SEC << US_SCALE) / vxtime_hz;
+	vxtime.tsc_quot = (USEC_PER_MSEC << US_SCALE) / cpu_khz;
+	vxtime.last_tsc = get_cycles_sync();
+
+	set_cyc2ns_scale(cpu_khz);
 }
 
 __setup("report_lost_ticks", time_setup);
@@ -1031,8 +1039,16 @@ static int timer_resume(struct sys_device *dev)
 	unsigned long flags;
 	unsigned long sec;
 	unsigned long ctime = get_cmos_time();
-	unsigned long sleep_length = (ctime - sleep_start) * HZ;
+	long sleep_length = (ctime - sleep_start) * HZ;
 
+	if (sleep_length < 0) {
+		printk(KERN_WARNING "Time skew detected in timer resume!\n");
+		/* The time after the resume must not be earlier than the time
+		 * before the suspend or some nasty things will happen
+		 */
+		sleep_length = 0;
+		ctime = sleep_start;
+	}
 	if (vxtime.hpet_address)
 		hpet_reenable();
 	else
@@ -1148,23 +1164,25 @@ int hpet_rtc_timer_init(void)
 		hpet_rtc_int_freq = DEFAULT_RTC_INT_FREQ;
 
 	local_irq_save(flags);
+
 	cnt = hpet_readl(HPET_COUNTER);
 	cnt += ((hpet_tick*HZ)/hpet_rtc_int_freq);
 	hpet_writel(cnt, HPET_T1_CMP);
 	hpet_t1_cmp = cnt;
-	local_irq_restore(flags);
 
 	cfg = hpet_readl(HPET_T1_CFG);
 	cfg &= ~HPET_TN_PERIODIC;
 	cfg |= HPET_TN_ENABLE | HPET_TN_32BIT;
 	hpet_writel(cfg, HPET_T1_CFG);
 
+	local_irq_restore(flags);
+
 	return 1;
 }
 
 static void hpet_rtc_timer_reinit(void)
 {
-	unsigned int cfg, cnt;
+	unsigned int cfg, cnt, ticks_per_int, lost_ints;
 
 	if (unlikely(!(PIE_on | AIE_on | UIE_on))) {
 		cfg = hpet_readl(HPET_T1_CFG);
@@ -1179,10 +1197,33 @@ static void hpet_rtc_timer_reinit(void)
 		hpet_rtc_int_freq = DEFAULT_RTC_INT_FREQ;
 
 	/* It is more accurate to use the comparator value than current count.*/
-	cnt = hpet_t1_cmp;
-	cnt += hpet_tick*HZ/hpet_rtc_int_freq;
-	hpet_writel(cnt, HPET_T1_CMP);
-	hpet_t1_cmp = cnt;
+	ticks_per_int = hpet_tick * HZ / hpet_rtc_int_freq;
+	hpet_t1_cmp += ticks_per_int;
+	hpet_writel(hpet_t1_cmp, HPET_T1_CMP);
+
+	/*
+	 * If the interrupt handler was delayed too long, the write above tries
+	 * to schedule the next interrupt in the past and the hardware would
+	 * not interrupt until the counter had wrapped around.
+	 * So we have to check that the comparator wasn't set to a past time.
+	 */
+	cnt = hpet_readl(HPET_COUNTER);
+	if (unlikely((int)(cnt - hpet_t1_cmp) > 0)) {
+		lost_ints = (cnt - hpet_t1_cmp) / ticks_per_int + 1;
+		/* Make sure that, even with the time needed to execute
+		 * this code, the next scheduled interrupt has been moved
+		 * back to the future: */
+		lost_ints++;
+
+		hpet_t1_cmp += lost_ints * ticks_per_int;
+		hpet_writel(hpet_t1_cmp, HPET_T1_CMP);
+
+		if (PIE_on)
+			PIE_count += lost_ints;
+
+		printk(KERN_WARNING "rtc: lost some interrupts at %ldHz.\n",
+		       hpet_rtc_int_freq);
+	}
 }
 
 /*
diff --git a/arch/x86_64/kernel/trampoline.S b/arch/x86_64/kernel/trampoline.S
index 23a03eb91fc7..c79b99a9e2f6 100644
--- a/arch/x86_64/kernel/trampoline.S
+++ b/arch/x86_64/kernel/trampoline.S
@@ -64,7 +64,7 @@ idt_48:
 	.word	0, 0			# idt base = 0L
 
 gdt_48:
-	.short	__KERNEL32_CS + 7	# gdt limit
+	.short	GDT_ENTRIES*8 - 1	# gdt limit
 	.long	cpu_gdt_table-__START_KERNEL_map
 
 .globl trampoline_end
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index b1249774d1e8..01f2a8d254c2 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -45,6 +45,7 @@
 #include <asm/pda.h>
 #include <asm/proto.h>
 #include <asm/nmi.h>
+#include <asm/stacktrace.h>
 
 asmlinkage void divide_error(void);
 asmlinkage void debug(void);
@@ -142,7 +143,7 @@ void printk_address(unsigned long address)
 #endif
 
 static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
-					unsigned *usedp, const char **idp)
+					unsigned *usedp, char **idp)
 {
 	static char ids[][8] = {
 		[DEBUG_STACK - 1] = "#DB",
@@ -161,26 +162,7 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
 	 * 'stack' is in one of them:
 	 */
 	for (k = 0; k < N_EXCEPTION_STACKS; k++) {
-		unsigned long end;
-
-		/*
-		 * set 'end' to the end of the exception stack.
-		 */
-		switch (k + 1) {
-		/*
-		 * TODO: this block is not needed i think, because
-		 * setup64.c:cpu_init() sets up t->ist[DEBUG_STACK]
-		 * properly too.
-		 */
-#if DEBUG_STKSZ > EXCEPTION_STKSZ
-		case DEBUG_STACK:
-			end = cpu_pda(cpu)->debugstack + DEBUG_STKSZ;
-			break;
-#endif
-		default:
-			end = per_cpu(orig_ist, cpu).ist[k];
-			break;
-		}
+		unsigned long end = per_cpu(orig_ist, cpu).ist[k];
 		/*
 		 * Is 'stack' above this exception frame's end?
 		 * If yes then skip to the next frame.
@@ -234,13 +216,19 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
 	return NULL;
 }
 
-static int show_trace_unwind(struct unwind_frame_info *info, void *context)
+struct ops_and_data {
+	struct stacktrace_ops *ops;
+	void *data;
+};
+
+static int dump_trace_unwind(struct unwind_frame_info *info, void *context)
 {
+	struct ops_and_data *oad = (struct ops_and_data *)context;
 	int n = 0;
 
 	while (unwind(info) == 0 && UNW_PC(info)) {
 		n++;
-		printk_address(UNW_PC(info));
+		oad->ops->address(oad->data, UNW_PC(info));
 		if (arch_unw_user_mode(info))
 			break;
 	}
@@ -254,45 +242,53 @@ static int show_trace_unwind(struct unwind_frame_info *info, void *context)
  * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack
  */
 
-void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * stack)
+void dump_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * stack,
+		struct stacktrace_ops *ops, void *data)
 {
-	const unsigned cpu = safe_smp_processor_id();
+	const unsigned cpu = smp_processor_id();
 	unsigned long *irqstack_end = (unsigned long *)cpu_pda(cpu)->irqstackptr;
 	unsigned used = 0;
 
-	printk("\nCall Trace:\n");
-
 	if (!tsk)
 		tsk = current;
 
 	if (call_trace >= 0) {
 		int unw_ret = 0;
 		struct unwind_frame_info info;
+		struct ops_and_data oad = { .ops = ops, .data = data };
 
 		if (regs) {
 			if (unwind_init_frame_info(&info, tsk, regs) == 0)
-				unw_ret = show_trace_unwind(&info, NULL);
+				unw_ret = dump_trace_unwind(&info, &oad);
 		} else if (tsk == current)
-			unw_ret = unwind_init_running(&info, show_trace_unwind, NULL);
+			unw_ret = unwind_init_running(&info, dump_trace_unwind, &oad);
 		else {
 			if (unwind_init_blocked(&info, tsk) == 0)
-				unw_ret = show_trace_unwind(&info, NULL);
+				unw_ret = dump_trace_unwind(&info, &oad);
 		}
 		if (unw_ret > 0) {
 			if (call_trace == 1 && !arch_unw_user_mode(&info)) {
-				print_symbol("DWARF2 unwinder stuck at %s\n",
+				ops->warning_symbol(data, "DWARF2 unwinder stuck at %s\n",
 					     UNW_PC(&info));
 				if ((long)UNW_SP(&info) < 0) {
-					printk("Leftover inexact backtrace:\n");
+					ops->warning(data, "Leftover inexact backtrace:\n");
 					stack = (unsigned long *)UNW_SP(&info);
+					if (!stack)
+						return;
 				} else
-					printk("Full inexact backtrace again:\n");
+					ops->warning(data, "Full inexact backtrace again:\n");
 			} else if (call_trace >= 1)
 				return;
 			else
-				printk("Full inexact backtrace again:\n");
+				ops->warning(data, "Full inexact backtrace again:\n");
 		} else
-			printk("Inexact backtrace:\n");
+			ops->warning(data, "Inexact backtrace:\n");
+	}
+	if (!stack) {
+		unsigned long dummy;
+		stack = &dummy;
+		if (tsk && tsk != current)
+			stack = (unsigned long *)tsk->thread.rsp;
 	}
 
 	/*
@@ -303,7 +299,9 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
 #define HANDLE_STACK(cond) \
 	do while (cond) { \
 		unsigned long addr = *stack++; \
-		if (kernel_text_address(addr)) { \
+		if (oops_in_progress ? 		\
+			__kernel_text_address(addr) : \
+			kernel_text_address(addr)) { \
 			/* \
 			 * If the address is either in the text segment of the \
 			 * kernel, or in the region which contains vmalloc'ed \
@@ -312,7 +310,7 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
 			 * down the cause of the crash will be able to figure \
 			 * out the call path that was taken. \
 			 */ \
-			printk_address(addr); \
+			ops->address(data, addr);   \
 		} \
 	} while (0)
 
@@ -321,16 +319,17 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
 	 * current stack address. If the stacks consist of nested
 	 * exceptions
 	 */
-	for ( ; ; ) {
-		const char *id;
+	for (;;) {
+		char *id;
 		unsigned long *estack_end;
 		estack_end = in_exception_stack(cpu, (unsigned long)stack,
 						&used, &id);
 
 		if (estack_end) {
-			printk(" <%s>", id);
+			if (ops->stack(data, id) < 0)
+				break;
 			HANDLE_STACK (stack < estack_end);
-			printk(" <EOE>");
+			ops->stack(data, "<EOE>");
 			/*
 			 * We link to the next stack via the
 			 * second-to-last pointer (index -2 to end) in the
@@ -345,7 +344,8 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
 				(IRQSTACKSIZE - 64) / sizeof(*irqstack);
 
 			if (stack >= irqstack && stack < irqstack_end) {
-				printk(" <IRQ>");
+				if (ops->stack(data, "IRQ") < 0)
+					break;
 				HANDLE_STACK (stack < irqstack_end);
 				/*
 				 * We link to the next stack (which would be
@@ -354,7 +354,7 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
 				 */
 				stack = (unsigned long *) (irqstack_end[-1]);
 				irqstack_end = NULL;
-				printk(" <EOI>");
+				ops->stack(data, "EOI");
 				continue;
 			}
 		}
@@ -362,19 +362,57 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
 	}
 
 	/*
-	 * This prints the process stack:
+	 * This handles the process stack:
 	 */
 	HANDLE_STACK (((long) stack & (THREAD_SIZE-1)) != 0);
 #undef HANDLE_STACK
+}
+EXPORT_SYMBOL(dump_trace);
+
+static void
+print_trace_warning_symbol(void *data, char *msg, unsigned long symbol)
+{
+	print_symbol(msg, symbol);
+	printk("\n");
+}
+
+static void print_trace_warning(void *data, char *msg)
+{
+	printk("%s\n", msg);
+}
+
+static int print_trace_stack(void *data, char *name)
+{
+	printk(" <%s> ", name);
+	return 0;
+}
+
+static void print_trace_address(void *data, unsigned long addr)
+{
+	printk_address(addr);
+}
+
+static struct stacktrace_ops print_trace_ops = {
+	.warning = print_trace_warning,
+	.warning_symbol = print_trace_warning_symbol,
+	.stack = print_trace_stack,
+	.address = print_trace_address,
+};
 
+void
+show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long *stack)
+{
+	printk("\nCall Trace:\n");
+	dump_trace(tsk, regs, stack, &print_trace_ops, NULL);
 	printk("\n");
 }
 
-static void _show_stack(struct task_struct *tsk, struct pt_regs *regs, unsigned long * rsp)
+static void
+_show_stack(struct task_struct *tsk, struct pt_regs *regs, unsigned long *rsp)
 {
 	unsigned long *stack;
 	int i;
-	const int cpu = safe_smp_processor_id();
+	const int cpu = smp_processor_id();
 	unsigned long *irqstack_end = (unsigned long *) (cpu_pda(cpu)->irqstackptr);
 	unsigned long *irqstack = (unsigned long *) (cpu_pda(cpu)->irqstackptr - IRQSTACKSIZE);
 
@@ -428,7 +466,7 @@ void show_registers(struct pt_regs *regs)
 	int i;
 	int in_kernel = !user_mode(regs);
 	unsigned long rsp;
-	const int cpu = safe_smp_processor_id(); 
+	const int cpu = smp_processor_id();
 	struct task_struct *cur = cpu_pda(cpu)->pcurrent;
 
 		rsp = regs->rsp;
@@ -503,9 +541,11 @@ static unsigned int die_nest_count;
 
 unsigned __kprobes long oops_begin(void)
 {
-	int cpu = safe_smp_processor_id();
+	int cpu = smp_processor_id();
 	unsigned long flags;
 
+	oops_enter();
+
 	/* racy, but better than risking deadlock. */
 	local_irq_save(flags);
 	if (!spin_trylock(&die_lock)) { 
@@ -534,6 +574,7 @@ void __kprobes oops_end(unsigned long flags)
 		spin_unlock_irqrestore(&die_lock, flags);
 	if (panic_on_oops)
 		panic("Fatal exception");
+	oops_exit();
 }
 
 void __kprobes __die(const char * str, struct pt_regs * regs, long err)
@@ -570,7 +611,7 @@ void die(const char * str, struct pt_regs * regs, long err)
 	do_exit(SIGSEGV); 
 }
 
-void __kprobes die_nmi(char *str, struct pt_regs *regs)
+void __kprobes die_nmi(char *str, struct pt_regs *regs, int do_panic)
 {
 	unsigned long flags = oops_begin();
 
@@ -578,13 +619,12 @@ void __kprobes die_nmi(char *str, struct pt_regs *regs)
 	 * We are in trouble anyway, lets at least try
 	 * to get a message out.
 	 */
-	printk(str, safe_smp_processor_id());
+	printk(str, smp_processor_id());
 	show_registers(regs);
 	if (kexec_should_crash(current))
 		crash_kexec(regs);
-	if (panic_on_timeout || panic_on_oops)
-		panic("nmi watchdog");
-	printk("console shuts up ...\n");
+	if (do_panic || panic_on_oops)
+		panic("Non maskable interrupt");
 	oops_end(flags);
 	nmi_exit();
 	local_irq_enable();
@@ -730,8 +770,15 @@ asmlinkage void __kprobes do_general_protection(struct pt_regs * regs,
 static __kprobes void
 mem_parity_error(unsigned char reason, struct pt_regs * regs)
 {
-	printk("Uhhuh. NMI received. Dazed and confused, but trying to continue\n");
-	printk("You probably have a hardware problem with your RAM chips\n");
+	printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x.\n",
+		reason);
+	printk(KERN_EMERG "You probably have a hardware problem with your "
+		"RAM chips\n");
+
+	if (panic_on_unrecovered_nmi)
+		panic("NMI: Not continuing");
+
+	printk(KERN_EMERG "Dazed and confused, but trying to continue\n");
 
 	/* Clear and disable the memory parity error line. */
 	reason = (reason & 0xf) | 4;
@@ -754,9 +801,15 @@ io_check_error(unsigned char reason, struct pt_regs * regs)
 
 static __kprobes void
 unknown_nmi_error(unsigned char reason, struct pt_regs * regs)
-{	printk("Uhhuh. NMI received for unknown reason %02x.\n", reason);
-	printk("Dazed and confused, but trying to continue\n");
-	printk("Do you have a strange power saving mode enabled?\n");
+{
+	printk(KERN_EMERG "Uhhuh. NMI received for unknown reason %02x.\n",
+		reason);
+	printk(KERN_EMERG "Do you have a strange power saving mode enabled?\n");
+
+	if (panic_on_unrecovered_nmi)
+		panic("NMI: Not continuing");
+
+	printk(KERN_EMERG "Dazed and confused, but trying to continue\n");
 }
 
 /* Runs on IST stack. This code must keep interrupts off all the time.
@@ -776,17 +829,15 @@ asmlinkage __kprobes void default_do_nmi(struct pt_regs *regs)
 		if (notify_die(DIE_NMI_IPI, "nmi_ipi", regs, reason, 2, SIGINT)
 								== NOTIFY_STOP)
 			return;
-#ifdef CONFIG_X86_LOCAL_APIC
 		/*
 		 * Ok, so this is none of the documented NMI sources,
 		 * so it must be the NMI watchdog.
 		 */
-		if (nmi_watchdog > 0) {
-			nmi_watchdog_tick(regs,reason);
+		if (nmi_watchdog_tick(regs,reason))
 			return;
-		}
-#endif
-		unknown_nmi_error(reason, regs);
+		if (!do_nmi_callback(regs,cpu))
+			unknown_nmi_error(reason, regs);
+
 		return;
 	}
 	if (notify_die(DIE_NMI, "nmi", regs, reason, 2, SIGINT) == NOTIFY_STOP)
@@ -1071,6 +1122,7 @@ asmlinkage void math_state_restore(void)
 		init_fpu(me);
 	restore_fpu_checking(&me->thread.i387.fxsave);
 	task_thread_info(me)->status |= TS_USEDFPU;
+	me->fpu_counter++;
 }
 
 void __init trap_init(void)
@@ -1109,24 +1161,30 @@ void __init trap_init(void)
 }
 
 
-/* Actual parsing is done early in setup.c. */
-static int __init oops_dummy(char *s)
+static int __init oops_setup(char *s)
 { 
-	panic_on_oops = 1;
-	return 1;
+	if (!s)
+		return -EINVAL;
+	if (!strcmp(s, "panic"))
+		panic_on_oops = 1;
+	return 0;
 } 
-__setup("oops=", oops_dummy); 
+early_param("oops", oops_setup);
 
 static int __init kstack_setup(char *s)
 {
+	if (!s)
+		return -EINVAL;
 	kstack_depth_to_print = simple_strtoul(s,NULL,0);
-	return 1;
+	return 0;
 }
-__setup("kstack=", kstack_setup);
+early_param("kstack", kstack_setup);
 
 #ifdef CONFIG_STACK_UNWIND
 static int __init call_trace_setup(char *s)
 {
+	if (!s)
+		return -EINVAL;
 	if (strcmp(s, "old") == 0)
 		call_trace = -1;
 	else if (strcmp(s, "both") == 0)
@@ -1135,7 +1193,7 @@ static int __init call_trace_setup(char *s)
 		call_trace = 1;
 	else if (strcmp(s, "new") == 0)
 		call_trace = 2;
-	return 1;
+	return 0;
 }
-__setup("call_trace=", call_trace_setup);
+early_param("call_trace", call_trace_setup);
 #endif
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S
index 7c4de31471d4..d0564f1bcb0b 100644
--- a/arch/x86_64/kernel/vmlinux.lds.S
+++ b/arch/x86_64/kernel/vmlinux.lds.S
@@ -13,6 +13,12 @@ OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
 OUTPUT_ARCH(i386:x86-64)
 ENTRY(phys_startup_64)
 jiffies_64 = jiffies;
+PHDRS {
+	text PT_LOAD FLAGS(5);	/* R_E */
+	data PT_LOAD FLAGS(7);	/* RWE */
+	user PT_LOAD FLAGS(7);	/* RWE */
+	note PT_NOTE FLAGS(4);	/* R__ */
+}
 SECTIONS
 {
   . = __START_KERNEL;
@@ -31,7 +37,7 @@ SECTIONS
 	KPROBES_TEXT
 	*(.fixup)
 	*(.gnu.warning)
-	} = 0x9090
+	} :text = 0x9090
   				/* out-of-line lock text */
   .text.lock : AT(ADDR(.text.lock) - LOAD_OFFSET) { *(.text.lock) }
 
@@ -57,7 +63,7 @@ SECTIONS
   .data : AT(ADDR(.data) - LOAD_OFFSET) {
 	*(.data)
 	CONSTRUCTORS
-	}
+	} :data
 
   _edata = .;			/* End of data section */
 
@@ -89,7 +95,7 @@ SECTIONS
 #define VVIRT(x) (ADDR(x) - VVIRT_OFFSET)
 
   . = VSYSCALL_ADDR;
-  .vsyscall_0 :	 AT(VSYSCALL_PHYS_ADDR) { *(.vsyscall_0) }
+  .vsyscall_0 :	 AT(VSYSCALL_PHYS_ADDR) { *(.vsyscall_0) } :user
   __vsyscall_0 = VSYSCALL_VIRT_ADDR;
 
   . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
@@ -99,6 +105,9 @@ SECTIONS
   .vxtime : AT(VLOAD(.vxtime)) { *(.vxtime) }
   vxtime = VVIRT(.vxtime);
 
+  .vgetcpu_mode : AT(VLOAD(.vgetcpu_mode)) { *(.vgetcpu_mode) }
+  vgetcpu_mode = VVIRT(.vgetcpu_mode);
+
   .wall_jiffies : AT(VLOAD(.wall_jiffies)) { *(.wall_jiffies) }
   wall_jiffies = VVIRT(.wall_jiffies);
 
@@ -132,7 +141,7 @@ SECTIONS
   . = ALIGN(8192);		/* init_task */
   .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
 	*(.data.init_task)
-  }
+  } :data
 
   . = ALIGN(4096);
   .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
@@ -207,14 +216,12 @@ SECTIONS
   __initramfs_start = .;
   .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }
   __initramfs_end = .;
-  /* temporary here to work around NR_CPUS. If you see this comment in 2.6.17+
-   complain */
-  . = ALIGN(4096);	
-  __init_end = .;	
-  . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
+    . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);
   __per_cpu_start = .;
   .data.percpu  : AT(ADDR(.data.percpu) - LOAD_OFFSET) { *(.data.percpu) }
   __per_cpu_end = .;
+  . = ALIGN(4096);
+  __init_end = .;
 
   . = ALIGN(4096);
   __nosave_begin = .;
diff --git a/arch/x86_64/kernel/vsmp.c b/arch/x86_64/kernel/vsmp.c
index 92f70c74965f..044e852bd25e 100644
--- a/arch/x86_64/kernel/vsmp.c
+++ b/arch/x86_64/kernel/vsmp.c
@@ -20,6 +20,9 @@ static int __init vsmp_init(void)
 	void *address;
 	unsigned int cap, ctl;
 
+	if (!early_pci_allowed())
+		return 0;
+
 	/* Check if we are running on a ScaleMP vSMP box */
 	if ((read_pci_config_16(0, 0x1f, 0, PCI_VENDOR_ID) != PCI_VENDOR_ID_SCALEMP) ||
 	    (read_pci_config_16(0, 0x1f, 0, PCI_DEVICE_ID) != PCI_DEVICE_ID_SCALEMP_VSMP_CTL))
diff --git a/arch/x86_64/kernel/vsyscall.c b/arch/x86_64/kernel/vsyscall.c
index f603037df162..ac48c3857ddb 100644
--- a/arch/x86_64/kernel/vsyscall.c
+++ b/arch/x86_64/kernel/vsyscall.c
@@ -26,6 +26,7 @@
 #include <linux/seqlock.h>
 #include <linux/jiffies.h>
 #include <linux/sysctl.h>
+#include <linux/getcpu.h>
 
 #include <asm/vsyscall.h>
 #include <asm/pgtable.h>
@@ -33,11 +34,15 @@
 #include <asm/fixmap.h>
 #include <asm/errno.h>
 #include <asm/io.h>
+#include <asm/segment.h>
+#include <asm/desc.h>
+#include <asm/topology.h>
 
 #define __vsyscall(nr) __attribute__ ((unused,__section__(".vsyscall_" #nr)))
 
 int __sysctl_vsyscall __section_sysctl_vsyscall = 1;
 seqlock_t __xtime_lock __section_xtime_lock = SEQLOCK_UNLOCKED;
+int __vgetcpu_mode __section_vgetcpu_mode;
 
 #include <asm/unistd.h>
 
@@ -72,7 +77,8 @@ static __always_inline void do_vgettimeofday(struct timeval * tv)
 				 __vxtime.tsc_quot) >> 32;
 			/* See comment in x86_64 do_gettimeofday. */
 		} else {
-			usec += ((readl((void *)fix_to_virt(VSYSCALL_HPET) + 0xf0) -
+			usec += ((readl((void __iomem *)
+				   fix_to_virt(VSYSCALL_HPET) + 0xf0) -
 				  __vxtime.last) * __vxtime.quot) >> 32;
 		}
 	} while (read_seqretry(&__xtime_lock, sequence));
@@ -127,9 +133,46 @@ time_t __vsyscall(1) vtime(time_t *t)
 	return __xtime.tv_sec;
 }
 
-long __vsyscall(2) venosys_0(void)
+/* Fast way to get current CPU and node.
+   This helps to do per node and per CPU caches in user space.
+   The result is not guaranteed without CPU affinity, but usually
+   works out because the scheduler tries to keep a thread on the same
+   CPU.
+
+   tcache must point to a two element sized long array.
+   All arguments can be NULL. */
+long __vsyscall(2)
+vgetcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache)
 {
-	return -ENOSYS;
+	unsigned int dummy, p;
+	unsigned long j = 0;
+
+	/* Fast cache - only recompute value once per jiffies and avoid
+	   relatively costly rdtscp/cpuid otherwise.
+	   This works because the scheduler usually keeps the process
+	   on the same CPU and this syscall doesn't guarantee its
+	   results anyways.
+	   We do this here because otherwise user space would do it on
+	   its own in a likely inferior way (no access to jiffies).
+	   If you don't like it pass NULL. */
+	if (tcache && tcache->t0 == (j = __jiffies)) {
+		p = tcache->t1;
+	} else if (__vgetcpu_mode == VGETCPU_RDTSCP) {
+		/* Load per CPU data from RDTSCP */
+		rdtscp(dummy, dummy, p);
+	} else {
+		/* Load per CPU data from GDT */
+		asm("lsl %1,%0" : "=r" (p) : "r" (__PER_CPU_SEG));
+	}
+	if (tcache) {
+		tcache->t0 = j;
+		tcache->t1 = p;
+	}
+	if (cpu)
+		*cpu = p & 0xfff;
+	if (node)
+		*node = p >> 12;
+	return 0;
 }
 
 long __vsyscall(3) venosys_1(void)
@@ -149,7 +192,8 @@ static int vsyscall_sysctl_change(ctl_table *ctl, int write, struct file * filp,
                         void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	extern u16 vsysc1, vsysc2;
-	u16 *map1, *map2;
+	u16 __iomem *map1;
+	u16 __iomem *map2;
 	int ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
 	if (!write)
 		return ret;
@@ -164,11 +208,11 @@ static int vsyscall_sysctl_change(ctl_table *ctl, int write, struct file * filp,
 		goto out;
 	}
 	if (!sysctl_vsyscall) {
-		*map1 = SYSCALL;
-		*map2 = SYSCALL;
+		writew(SYSCALL, map1);
+		writew(SYSCALL, map2);
 	} else {
-		*map1 = NOP2;
-		*map2 = NOP2;
+		writew(NOP2, map1);
+		writew(NOP2, map2);
 	}
 	iounmap(map2);
 out:
@@ -200,6 +244,43 @@ static ctl_table kernel_root_table2[] = {
 
 #endif
 
+static void __cpuinit write_rdtscp_cb(void *info)
+{
+	write_rdtscp_aux((unsigned long)info);
+}
+
+void __cpuinit vsyscall_set_cpu(int cpu)
+{
+	unsigned long *d;
+	unsigned long node = 0;
+#ifdef CONFIG_NUMA
+	node = cpu_to_node[cpu];
+#endif
+	if (cpu_has(&cpu_data[cpu], X86_FEATURE_RDTSCP)) {
+		void *info = (void *)((node << 12) | cpu);
+		/* Can happen on preemptive kernel */
+		if (get_cpu() == cpu)
+			write_rdtscp_cb(info);
+#ifdef CONFIG_SMP
+		else {
+			/* the notifier is unfortunately not executed on the
+			   target CPU */
+			smp_call_function_single(cpu,write_rdtscp_cb,info,0,1);
+		}
+#endif
+		put_cpu();
+	}
+
+	/* Store cpu number in limit so that it can be loaded quickly
+	   in user space in vgetcpu.
+	   12 bits for the CPU and 8 bits for the node. */
+	d = (unsigned long *)(cpu_gdt(cpu) + GDT_ENTRY_PER_CPU);
+	*d = 0x0f40000000000ULL;
+	*d |= cpu;
+	*d |= (node & 0xf) << 12;
+	*d |= (node >> 4) << 48;
+}
+
 static void __init map_vsyscall(void)
 {
 	extern char __vsyscall_0;
@@ -214,6 +295,7 @@ static int __init vsyscall_init(void)
 			VSYSCALL_ADDR(__NR_vgettimeofday)));
 	BUG_ON((unsigned long) &vtime != VSYSCALL_ADDR(__NR_vtime));
 	BUG_ON((VSYSCALL_ADDR(0) != __fix_to_virt(VSYSCALL_FIRST_PAGE)));
+	BUG_ON((unsigned long) &vgetcpu != VSYSCALL_ADDR(__NR_vgetcpu));
 	map_vsyscall();
 #ifdef CONFIG_SYSCTL
 	register_sysctl_table(kernel_root_table2, 0);
diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c
index 370952c4ff22..c3454af5e3a2 100644
--- a/arch/x86_64/kernel/x8664_ksyms.c
+++ b/arch/x86_64/kernel/x8664_ksyms.c
@@ -29,6 +29,7 @@ EXPORT_SYMBOL(__put_user_8);
 EXPORT_SYMBOL(copy_user_generic);
 EXPORT_SYMBOL(copy_from_user);
 EXPORT_SYMBOL(copy_to_user);
+EXPORT_SYMBOL(__copy_from_user_inatomic);
 
 EXPORT_SYMBOL(copy_page);
 EXPORT_SYMBOL(clear_page);
diff --git a/arch/x86_64/lib/Makefile b/arch/x86_64/lib/Makefile
index ccef6ae747a3..b78d4170fce2 100644
--- a/arch/x86_64/lib/Makefile
+++ b/arch/x86_64/lib/Makefile
@@ -9,4 +9,4 @@ obj-y := io.o iomap_copy.o
 lib-y := csum-partial.o csum-copy.o csum-wrappers.o delay.o \
 	usercopy.o getuser.o putuser.o  \
 	thunk.o clear_page.o copy_page.o bitstr.o bitops.o
-lib-y += memcpy.o memmove.o memset.o copy_user.o
+lib-y += memcpy.o memmove.o memset.o copy_user.o rwlock.o
diff --git a/arch/x86_64/lib/clear_page.S b/arch/x86_64/lib/clear_page.S
index 1f81b79b796c..9a10a78bb4a4 100644
--- a/arch/x86_64/lib/clear_page.S
+++ b/arch/x86_64/lib/clear_page.S
@@ -1,10 +1,22 @@
+#include <linux/linkage.h>
+#include <asm/dwarf2.h>
+
 /*
  * Zero a page. 	
  * rdi	page
  */			
-	.globl clear_page
-	.p2align 4
-clear_page:
+	ALIGN
+clear_page_c:
+	CFI_STARTPROC
+	movl $4096/8,%ecx
+	xorl %eax,%eax
+	rep stosq
+	ret
+	CFI_ENDPROC
+ENDPROC(clear_page)
+
+ENTRY(clear_page)
+	CFI_STARTPROC
 	xorl   %eax,%eax
 	movl   $4096/64,%ecx
 	.p2align 4
@@ -23,28 +35,25 @@ clear_page:
 	jnz	.Lloop
 	nop
 	ret
-clear_page_end:
+	CFI_ENDPROC
+.Lclear_page_end:
+ENDPROC(clear_page)
 
 	/* Some CPUs run faster using the string instructions.
 	   It is also a lot simpler. Use this when possible */
 
 #include <asm/cpufeature.h>
 
+	.section .altinstr_replacement,"ax"
+1:	.byte 0xeb					/* jmp <disp8> */
+	.byte (clear_page_c - clear_page) - (2f - 1b)	/* offset */
+2:
+	.previous
 	.section .altinstructions,"a"
 	.align 8
-	.quad  clear_page
-	.quad  clear_page_c
-	.byte  X86_FEATURE_REP_GOOD
-	.byte  clear_page_end-clear_page
-	.byte  clear_page_c_end-clear_page_c
-	.previous
-
-	.section .altinstr_replacement,"ax"
-clear_page_c:
-	movl $4096/8,%ecx
-	xorl %eax,%eax
-	rep 
-	stosq
-	ret
-clear_page_c_end:
+	.quad clear_page
+	.quad 1b
+	.byte X86_FEATURE_REP_GOOD
+	.byte .Lclear_page_end - clear_page
+	.byte 2b - 1b
 	.previous
diff --git a/arch/x86_64/lib/copy_page.S b/arch/x86_64/lib/copy_page.S
index 8fa19d96a7ee..0ebb03b60e79 100644
--- a/arch/x86_64/lib/copy_page.S
+++ b/arch/x86_64/lib/copy_page.S
@@ -1,17 +1,33 @@
 /* Written 2003 by Andi Kleen, based on a kernel by Evandro Menezes */
 	
+#include <linux/config.h>
+#include <linux/linkage.h>
+#include <asm/dwarf2.h>
+
+	ALIGN
+copy_page_c:
+	CFI_STARTPROC
+	movl $4096/8,%ecx
+	rep movsq
+	ret
+	CFI_ENDPROC
+ENDPROC(copy_page_c)
+
 /* Don't use streaming store because it's better when the target
    ends up in cache. */
 	    
 /* Could vary the prefetch distance based on SMP/UP */
 
-	.globl copy_page
-	.p2align 4
-copy_page:
+ENTRY(copy_page)
+	CFI_STARTPROC
 	subq	$3*8,%rsp
+	CFI_ADJUST_CFA_OFFSET 3*8
 	movq	%rbx,(%rsp)
+	CFI_REL_OFFSET rbx, 0
 	movq	%r12,1*8(%rsp)
+	CFI_REL_OFFSET r12, 1*8
 	movq	%r13,2*8(%rsp)
+	CFI_REL_OFFSET r13, 2*8
 
 	movl	$(4096/64)-5,%ecx
 	.p2align 4
@@ -72,30 +88,33 @@ copy_page:
 	jnz	.Loop2
 
 	movq	(%rsp),%rbx
+	CFI_RESTORE rbx
 	movq	1*8(%rsp),%r12
+	CFI_RESTORE r12
 	movq	2*8(%rsp),%r13
+	CFI_RESTORE r13
 	addq	$3*8,%rsp
+	CFI_ADJUST_CFA_OFFSET -3*8
 	ret
+.Lcopy_page_end:
+	CFI_ENDPROC
+ENDPROC(copy_page)
 
 	/* Some CPUs run faster using the string copy instructions.
 	   It is also a lot simpler. Use this when possible */
 
 #include <asm/cpufeature.h>
 
+	.section .altinstr_replacement,"ax"
+1:	.byte 0xeb					/* jmp <disp8> */
+	.byte (copy_page_c - copy_page) - (2f - 1b)	/* offset */
+2:
+	.previous
 	.section .altinstructions,"a"
 	.align 8
-	.quad  copy_page
-	.quad  copy_page_c
-	.byte  X86_FEATURE_REP_GOOD
-	.byte  copy_page_c_end-copy_page_c
-	.byte  copy_page_c_end-copy_page_c
-	.previous
-
-	.section .altinstr_replacement,"ax"
-copy_page_c:
-	movl $4096/8,%ecx
-	rep 
-	movsq 
-	ret
-copy_page_c_end:
+	.quad copy_page
+	.quad 1b
+	.byte X86_FEATURE_REP_GOOD
+	.byte .Lcopy_page_end - copy_page
+	.byte 2b - 1b
 	.previous
diff --git a/arch/x86_64/lib/copy_user.S b/arch/x86_64/lib/copy_user.S
index f64569b83b54..70bebd310408 100644
--- a/arch/x86_64/lib/copy_user.S
+++ b/arch/x86_64/lib/copy_user.S
@@ -4,56 +4,78 @@
  * Functions to copy from and to user space.		
  */		 
 
+#include <linux/linkage.h>
+#include <asm/dwarf2.h>
+
 #define FIX_ALIGNMENT 1
 
-	#include <asm/current.h>
-	#include <asm/asm-offsets.h>
-	#include <asm/thread_info.h>
-	#include <asm/cpufeature.h>
+#include <asm/current.h>
+#include <asm/asm-offsets.h>
+#include <asm/thread_info.h>
+#include <asm/cpufeature.h>
 
-/* Standard copy_to_user with segment limit checking */		
-	.globl copy_to_user
-	.p2align 4	
-copy_to_user:
-	GET_THREAD_INFO(%rax)
-	movq %rdi,%rcx
-	addq %rdx,%rcx
-	jc  bad_to_user
-	cmpq threadinfo_addr_limit(%rax),%rcx
-	jae bad_to_user
-2:
+	.macro ALTERNATIVE_JUMP feature,orig,alt
+0:
 	.byte 0xe9	/* 32bit jump */
-	.long .Lcug-1f
+	.long \orig-1f	/* by default jump to orig */
 1:
-
 	.section .altinstr_replacement,"ax"
-3:	.byte 0xe9			/* replacement jmp with 8 bit immediate */
-	.long copy_user_generic_c-1b	/* offset */
+2:	.byte 0xe9	             /* near jump with 32bit immediate */
+	.long \alt-1b /* offset */   /* or alternatively to alt */
 	.previous
 	.section .altinstructions,"a"
 	.align 8
+	.quad  0b
 	.quad  2b
-	.quad  3b
-	.byte  X86_FEATURE_REP_GOOD
+	.byte  \feature		     /* when feature is set */
 	.byte  5
 	.byte  5
 	.previous
+	.endm
+
+/* Standard copy_to_user with segment limit checking */		
+ENTRY(copy_to_user)
+	CFI_STARTPROC
+	GET_THREAD_INFO(%rax)
+	movq %rdi,%rcx
+	addq %rdx,%rcx
+	jc  bad_to_user
+	cmpq threadinfo_addr_limit(%rax),%rcx
+	jae bad_to_user
+	xorl %eax,%eax	/* clear zero flag */
+	ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
+	CFI_ENDPROC
+
+ENTRY(copy_user_generic)
+	CFI_STARTPROC
+	movl $1,%ecx	/* set zero flag */
+	ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
+	CFI_ENDPROC
+
+ENTRY(__copy_from_user_inatomic)
+	CFI_STARTPROC
+	xorl %ecx,%ecx	/* clear zero flag */
+	ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
+	CFI_ENDPROC
 
 /* Standard copy_from_user with segment limit checking */	
-	.globl copy_from_user
-	.p2align 4	
-copy_from_user:
+ENTRY(copy_from_user)
+	CFI_STARTPROC
 	GET_THREAD_INFO(%rax)
 	movq %rsi,%rcx
 	addq %rdx,%rcx
 	jc  bad_from_user
 	cmpq threadinfo_addr_limit(%rax),%rcx
 	jae  bad_from_user
-	/* FALL THROUGH to copy_user_generic */
+	movl $1,%ecx	/* set zero flag */
+	ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
+	CFI_ENDPROC
+ENDPROC(copy_from_user)
 	
 	.section .fixup,"ax"
 	/* must zero dest */
 bad_from_user:
+	CFI_STARTPROC
 	movl %edx,%ecx
 	xorl %eax,%eax
 	rep
@@ -61,40 +83,32 @@ bad_from_user:
 bad_to_user:
 	movl	%edx,%eax
 	ret
+	CFI_ENDPROC
+END(bad_from_user)
 	.previous
 	
 		
 /*
- * copy_user_generic - memory copy with exception handling.
+ * copy_user_generic_unrolled - memory copy with exception handling.
+ * This version is for CPUs like P4 that don't have efficient micro code for rep movsq
  * 	
  * Input:	
  * rdi destination
  * rsi source
  * rdx count
+ * ecx zero flag -- if true zero destination on error
  *
  * Output:		
  * eax uncopied bytes or 0 if successful.
  */
-	.globl copy_user_generic
-	.p2align 4
-copy_user_generic:
-	.byte 0x66,0x66,0x90	/* 5 byte nop for replacement jump */
-	.byte 0x66,0x90
-1:
-	.section .altinstr_replacement,"ax"
-2:	.byte 0xe9	             /* near jump with 32bit immediate */
-	.long copy_user_generic_c-1b /* offset */
-	.previous
-	.section .altinstructions,"a"
-	.align 8
-	.quad  copy_user_generic
-	.quad  2b
-	.byte  X86_FEATURE_REP_GOOD
-	.byte  5
-	.byte  5
-	.previous
-.Lcug:
+ENTRY(copy_user_generic_unrolled)
+	CFI_STARTPROC
 	pushq %rbx
+	CFI_ADJUST_CFA_OFFSET 8
+	CFI_REL_OFFSET rbx, 0
+	pushq %rcx
+	CFI_ADJUST_CFA_OFFSET 8
+	CFI_REL_OFFSET rcx, 0
 	xorl %eax,%eax		/*zero for the exception handler */
 
 #ifdef FIX_ALIGNMENT
@@ -168,9 +182,16 @@ copy_user_generic:
 	decl %ecx
 	jnz .Lloop_1
 
+	CFI_REMEMBER_STATE
 .Lende:
+	popq %rcx
+	CFI_ADJUST_CFA_OFFSET -8
+	CFI_RESTORE rcx
 	popq %rbx
+	CFI_ADJUST_CFA_OFFSET -8
+	CFI_RESTORE rbx
 	ret
+	CFI_RESTORE_STATE
 
 #ifdef FIX_ALIGNMENT
 	/* align destination */
@@ -252,6 +273,8 @@ copy_user_generic:
 	addl %ecx,%edx
 	/* edx: bytes to zero, rdi: dest, eax:zero */
 .Lzero_rest:
+	cmpl $0,(%rsp)
+	jz   .Le_zero
 	movq %rdx,%rcx
 .Le_byte:
 	xorl %eax,%eax
@@ -261,6 +284,9 @@ copy_user_generic:
 .Le_zero:
 	movq %rdx,%rax
 	jmp .Lende
+	CFI_ENDPROC
+ENDPROC(copy_user_generic)
+
 
 	/* Some CPUs run faster using the string copy instructions.
 	   This is also a lot simpler. Use them when possible.
@@ -270,6 +296,7 @@ copy_user_generic:
  /* rdi	destination
   * rsi source
   * rdx count
+  * ecx zero flag
   *
   * Output:
   * eax uncopied bytes or 0 if successfull.
@@ -280,22 +307,48 @@ copy_user_generic:
   * And more would be dangerous because both Intel and AMD have
   * errata with rep movsq > 4GB. If someone feels the need to fix
   * this please consider this.
-   */
-copy_user_generic_c:
+  */
+ENTRY(copy_user_generic_string)
+	CFI_STARTPROC
+	movl %ecx,%r8d		/* save zero flag */
 	movl %edx,%ecx
 	shrl $3,%ecx
 	andl $7,%edx	
+	jz   10f
 1:	rep 
 	movsq 
 	movl %edx,%ecx
 2:	rep
 	movsb
-4:	movl %ecx,%eax
+9:	movl %ecx,%eax
 	ret
-3:	lea (%rdx,%rcx,8),%rax
+
+	/* multiple of 8 byte */
+10:	rep
+	movsq
+	xor %eax,%eax
 	ret
 
+	/* exception handling */
+3:      lea (%rdx,%rcx,8),%rax	/* exception on quad loop */
+	jmp 6f
+5:	movl %ecx,%eax		/* exception on byte loop */
+	/* eax: left over bytes */
+6:	testl %r8d,%r8d		/* zero flag set? */
+	jz 7f
+	movl %eax,%ecx		/* initialize x86 loop counter */
+	push %rax
+	xorl %eax,%eax
+8:	rep
+	stosb 			/* zero the rest */
+11:	pop %rax
+7:	ret
+	CFI_ENDPROC
+END(copy_user_generic_c)
+
 	.section __ex_table,"a"
 	.quad 1b,3b
-	.quad 2b,4b
+	.quad 2b,5b
+	.quad 8b,11b
+	.quad 10b,3b
 	.previous
diff --git a/arch/x86_64/lib/csum-copy.S b/arch/x86_64/lib/csum-copy.S
index 72fd55ee896e..f0dba36578ea 100644
--- a/arch/x86_64/lib/csum-copy.S
+++ b/arch/x86_64/lib/csum-copy.S
@@ -5,8 +5,9 @@
  * License.  See the file COPYING in the main directory of this archive
  * for more details. No warranty for anything given at all.
  */
- 	#include <linux/linkage.h>
-	#include <asm/errno.h>
+#include <linux/linkage.h>
+#include <asm/dwarf2.h>
+#include <asm/errno.h>
 
 /*
  * Checksum copy with exception handling.
@@ -53,19 +54,24 @@
 	.endm
 	
 				
-	.globl csum_partial_copy_generic
-	.p2align 4
-csum_partial_copy_generic:
+ENTRY(csum_partial_copy_generic)
+	CFI_STARTPROC
 	cmpl	 $3*64,%edx
 	jle	 .Lignore
 
 .Lignore:		
 	subq  $7*8,%rsp
+	CFI_ADJUST_CFA_OFFSET 7*8
 	movq  %rbx,2*8(%rsp)
+	CFI_REL_OFFSET rbx, 2*8
 	movq  %r12,3*8(%rsp)
+	CFI_REL_OFFSET r12, 3*8
 	movq  %r14,4*8(%rsp)
+	CFI_REL_OFFSET r14, 4*8
 	movq  %r13,5*8(%rsp)
+	CFI_REL_OFFSET r13, 5*8
 	movq  %rbp,6*8(%rsp)
+	CFI_REL_OFFSET rbp, 6*8
 
 	movq  %r8,(%rsp)
 	movq  %r9,1*8(%rsp)
@@ -208,14 +214,22 @@ csum_partial_copy_generic:
 	addl %ebx,%eax
 	adcl %r9d,%eax		/* carry */
 			
+	CFI_REMEMBER_STATE
 .Lende:
 	movq 2*8(%rsp),%rbx
+	CFI_RESTORE rbx
 	movq 3*8(%rsp),%r12
+	CFI_RESTORE r12
 	movq 4*8(%rsp),%r14
+	CFI_RESTORE r14
 	movq 5*8(%rsp),%r13
+	CFI_RESTORE r13
 	movq 6*8(%rsp),%rbp
+	CFI_RESTORE rbp
 	addq $7*8,%rsp
+	CFI_ADJUST_CFA_OFFSET -7*8
 	ret
+	CFI_RESTORE_STATE
 
 	/* Exception handlers. Very simple, zeroing is done in the wrappers */
 .Lbad_source:
@@ -231,3 +245,5 @@ csum_partial_copy_generic:
 	jz   .Lende	
 	movl $-EFAULT,(%rax)
 	jmp .Lende
+	CFI_ENDPROC
+ENDPROC(csum_partial_copy_generic)
diff --git a/arch/x86_64/lib/getuser.S b/arch/x86_64/lib/getuser.S
index 3844d5e885a4..5448876261f8 100644
--- a/arch/x86_64/lib/getuser.S
+++ b/arch/x86_64/lib/getuser.S
@@ -27,25 +27,26 @@
  */
 
 #include <linux/linkage.h>
+#include <asm/dwarf2.h>
 #include <asm/page.h>
 #include <asm/errno.h>
 #include <asm/asm-offsets.h>
 #include <asm/thread_info.h>
 
 	.text
-	.p2align 4
-.globl __get_user_1
-__get_user_1:	
+ENTRY(__get_user_1)
+	CFI_STARTPROC
 	GET_THREAD_INFO(%r8)
 	cmpq threadinfo_addr_limit(%r8),%rcx
 	jae bad_get_user
 1:	movzb (%rcx),%edx
 	xorl %eax,%eax
 	ret
+	CFI_ENDPROC
+ENDPROC(__get_user_1)
 
-	.p2align 4
-.globl __get_user_2
-__get_user_2:
+ENTRY(__get_user_2)
+	CFI_STARTPROC
 	GET_THREAD_INFO(%r8)
 	addq $1,%rcx
 	jc 20f
@@ -57,10 +58,11 @@ __get_user_2:
 	ret
 20:	decq    %rcx
 	jmp	bad_get_user
+	CFI_ENDPROC
+ENDPROC(__get_user_2)
 
-	.p2align 4
-.globl __get_user_4
-__get_user_4:
+ENTRY(__get_user_4)
+	CFI_STARTPROC
 	GET_THREAD_INFO(%r8)
 	addq $3,%rcx
 	jc 30f
@@ -72,10 +74,11 @@ __get_user_4:
 	ret
 30:	subq $3,%rcx
 	jmp bad_get_user
+	CFI_ENDPROC
+ENDPROC(__get_user_4)
 
-	.p2align 4
-.globl __get_user_8
-__get_user_8:
+ENTRY(__get_user_8)
+	CFI_STARTPROC
 	GET_THREAD_INFO(%r8)
 	addq $7,%rcx
 	jc 40f
@@ -87,11 +90,16 @@ __get_user_8:
 	ret
 40:	subq $7,%rcx
 	jmp bad_get_user
+	CFI_ENDPROC
+ENDPROC(__get_user_8)
 
 bad_get_user:
+	CFI_STARTPROC
 	xorl %edx,%edx
 	movq $(-EFAULT),%rax
 	ret
+	CFI_ENDPROC
+END(bad_get_user)
 
 .section __ex_table,"a"
 	.quad 1b,bad_get_user
diff --git a/arch/x86_64/lib/iomap_copy.S b/arch/x86_64/lib/iomap_copy.S
index 8bbade5fea05..05a95e713da8 100644
--- a/arch/x86_64/lib/iomap_copy.S
+++ b/arch/x86_64/lib/iomap_copy.S
@@ -15,12 +15,16 @@
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
+#include <linux/linkage.h>
+#include <asm/dwarf2.h>
+
 /*
  * override generic version in lib/iomap_copy.c
  */
- 	.globl __iowrite32_copy
-	.p2align 4
-__iowrite32_copy:
+ENTRY(__iowrite32_copy)
+	CFI_STARTPROC
 	movl %edx,%ecx
 	rep movsd
 	ret
+	CFI_ENDPROC
+ENDPROC(__iowrite32_copy)
diff --git a/arch/x86_64/lib/memcpy.S b/arch/x86_64/lib/memcpy.S
index 5554948b5554..967b22fa7d07 100644
--- a/arch/x86_64/lib/memcpy.S
+++ b/arch/x86_64/lib/memcpy.S
@@ -1,6 +1,10 @@
 /* Copyright 2002 Andi Kleen */
 	
-	#include <asm/cpufeature.h>		
+#include <linux/config.h>
+#include <linux/linkage.h>
+#include <asm/dwarf2.h>
+#include <asm/cpufeature.h>
+
 /*
  * memcpy - Copy a memory block.
  *
@@ -13,12 +17,26 @@
  * rax original destination
  */	
 
- 	.globl __memcpy
-	.globl memcpy
-	.p2align 4
-__memcpy:
-memcpy:		
+	ALIGN
+memcpy_c:
+	CFI_STARTPROC
+	movq %rdi,%rax
+	movl %edx,%ecx
+	shrl $3,%ecx
+	andl $7,%edx
+	rep movsq
+	movl %edx,%ecx
+	rep movsb
+	ret
+	CFI_ENDPROC
+ENDPROC(memcpy_c)
+
+ENTRY(__memcpy)
+ENTRY(memcpy)
+	CFI_STARTPROC
 	pushq %rbx
+	CFI_ADJUST_CFA_OFFSET 8
+	CFI_REL_OFFSET rbx, 0
 	movq %rdi,%rax
 
 	movl %edx,%ecx
@@ -86,36 +104,27 @@ memcpy:
 
 .Lende:
 	popq %rbx
+	CFI_ADJUST_CFA_OFFSET -8
+	CFI_RESTORE rbx
 	ret
 .Lfinal:
+	CFI_ENDPROC
+ENDPROC(memcpy)
+ENDPROC(__memcpy)
 
 	/* Some CPUs run faster using the string copy instructions.
 	   It is also a lot simpler. Use this when possible */
 
+	.section .altinstr_replacement,"ax"
+1:	.byte 0xeb				/* jmp <disp8> */
+	.byte (memcpy_c - memcpy) - (2f - 1b)	/* offset */
+2:
+	.previous
 	.section .altinstructions,"a"
 	.align 8
-	.quad  memcpy
-	.quad  memcpy_c
-	.byte  X86_FEATURE_REP_GOOD
-	.byte  .Lfinal-memcpy
-	.byte  memcpy_c_end-memcpy_c
-	.previous
-
-	.section .altinstr_replacement,"ax"
- /* rdi	destination
-  * rsi source
-  * rdx count
-  */
-memcpy_c:
-	movq %rdi,%rax
-	movl %edx,%ecx
-	shrl $3,%ecx
-	andl $7,%edx	
-	rep 
-	movsq 
-	movl %edx,%ecx
-	rep
-	movsb
-	ret
-memcpy_c_end:
+	.quad memcpy
+	.quad 1b
+	.byte X86_FEATURE_REP_GOOD
+	.byte .Lfinal - memcpy
+	.byte 2b - 1b
 	.previous
diff --git a/arch/x86_64/lib/memset.S b/arch/x86_64/lib/memset.S
index ad397f2c7de8..09ed1f6b0eaa 100644
--- a/arch/x86_64/lib/memset.S
+++ b/arch/x86_64/lib/memset.S
@@ -1,4 +1,9 @@
 /* Copyright 2002 Andi Kleen, SuSE Labs */
+
+#include <linux/config.h>
+#include <linux/linkage.h>
+#include <asm/dwarf2.h>
+
 /*
  * ISO C memset - set a memory block to a byte value.
  *	
@@ -8,11 +13,29 @@
  * 
  * rax   original destination
  */	
- 	.globl __memset
-	.globl memset
-	.p2align 4
-memset:	
-__memset:
+	ALIGN
+memset_c:
+	CFI_STARTPROC
+	movq %rdi,%r9
+	movl %edx,%r8d
+	andl $7,%r8d
+	movl %edx,%ecx
+	shrl $3,%ecx
+	/* expand byte value  */
+	movzbl %sil,%esi
+	movabs $0x0101010101010101,%rax
+	mulq %rsi		/* with rax, clobbers rdx */
+	rep stosq
+	movl %r8d,%ecx
+	rep stosb
+	movq %r9,%rax
+	ret
+	CFI_ENDPROC
+ENDPROC(memset_c)
+
+ENTRY(memset)
+ENTRY(__memset)
+	CFI_STARTPROC
 	movq %rdi,%r10
 	movq %rdx,%r11
 
@@ -25,6 +48,7 @@ __memset:
 	movl  %edi,%r9d
 	andl  $7,%r9d
 	jnz  .Lbad_alignment
+	CFI_REMEMBER_STATE
 .Lafter_bad_alignment:
 
 	movl %r11d,%ecx
@@ -75,6 +99,7 @@ __memset:
 	movq	%r10,%rax
 	ret
 
+	CFI_RESTORE_STATE
 .Lbad_alignment:
 	cmpq $7,%r11
 	jbe	.Lhandle_7
@@ -84,42 +109,26 @@ __memset:
 	addq %r8,%rdi
 	subq %r8,%r11
 	jmp .Lafter_bad_alignment
+.Lfinal:
+	CFI_ENDPROC
+ENDPROC(memset)
+ENDPROC(__memset)
 
 	/* Some CPUs run faster using the string instructions.
 	   It is also a lot simpler. Use this when possible */
 
 #include <asm/cpufeature.h>
 
+	.section .altinstr_replacement,"ax"
+1:	.byte 0xeb				/* jmp <disp8> */
+	.byte (memset_c - memset) - (2f - 1b)	/* offset */
+2:
+	.previous
 	.section .altinstructions,"a"
 	.align 8
-	.quad  memset
-	.quad  memset_c
-	.byte  X86_FEATURE_REP_GOOD
-	.byte  memset_c_end-memset_c
-	.byte  memset_c_end-memset_c
-	.previous
-
-	.section .altinstr_replacement,"ax"
- /* rdi	destination
-  * rsi value
-  * rdx count
-  */
-memset_c:
-	movq %rdi,%r9
-	movl %edx,%r8d
-	andl $7,%r8d		
-	movl %edx,%ecx
-	shrl $3,%ecx		
-	/* expand byte value  */
-	movzbl %sil,%esi
-	movabs $0x0101010101010101,%rax
-	mulq   %rsi		/* with rax, clobbers rdx */
-	rep
-	stosq	
-	movl %r8d,%ecx
-	rep
-	stosb
-	movq %r9,%rax
-	ret
-memset_c_end:
+	.quad memset
+	.quad 1b
+	.byte X86_FEATURE_REP_GOOD
+	.byte .Lfinal - memset
+	.byte 2b - 1b
 	.previous
diff --git a/arch/x86_64/lib/putuser.S b/arch/x86_64/lib/putuser.S
index 7f5593974e2d..4989f5a8fa9b 100644
--- a/arch/x86_64/lib/putuser.S
+++ b/arch/x86_64/lib/putuser.S
@@ -25,25 +25,26 @@
  */
 
 #include <linux/linkage.h>
+#include <asm/dwarf2.h>
 #include <asm/page.h>
 #include <asm/errno.h>
 #include <asm/asm-offsets.h>
 #include <asm/thread_info.h>
 
 	.text
-	.p2align 4
-.globl __put_user_1
-__put_user_1:
+ENTRY(__put_user_1)
+	CFI_STARTPROC
 	GET_THREAD_INFO(%r8)
 	cmpq threadinfo_addr_limit(%r8),%rcx
 	jae bad_put_user
 1:	movb %dl,(%rcx)
 	xorl %eax,%eax
 	ret
+	CFI_ENDPROC
+ENDPROC(__put_user_1)
 
-	.p2align 4
-.globl __put_user_2
-__put_user_2:
+ENTRY(__put_user_2)
+	CFI_STARTPROC
 	GET_THREAD_INFO(%r8)
 	addq $1,%rcx
 	jc 20f
@@ -55,10 +56,11 @@ __put_user_2:
 	ret
 20:	decq %rcx
 	jmp bad_put_user
+	CFI_ENDPROC
+ENDPROC(__put_user_2)
 
-	.p2align 4
-.globl __put_user_4
-__put_user_4:
+ENTRY(__put_user_4)
+	CFI_STARTPROC
 	GET_THREAD_INFO(%r8)
 	addq $3,%rcx
 	jc 30f
@@ -70,10 +72,11 @@ __put_user_4:
 	ret
 30:	subq $3,%rcx
 	jmp bad_put_user
+	CFI_ENDPROC
+ENDPROC(__put_user_4)
 
-	.p2align 4
-.globl __put_user_8
-__put_user_8:
+ENTRY(__put_user_8)
+	CFI_STARTPROC
 	GET_THREAD_INFO(%r8)
 	addq $7,%rcx
 	jc 40f
@@ -85,10 +88,15 @@ __put_user_8:
 	ret
 40:	subq $7,%rcx
 	jmp bad_put_user
+	CFI_ENDPROC
+ENDPROC(__put_user_8)
 
 bad_put_user:
+	CFI_STARTPROC
 	movq $(-EFAULT),%rax
 	ret
+	CFI_ENDPROC
+END(bad_put_user)
 
 .section __ex_table,"a"
 	.quad 1b,bad_put_user
diff --git a/arch/x86_64/lib/rwlock.S b/arch/x86_64/lib/rwlock.S
new file mode 100644
index 000000000000..0cde1f807314
--- /dev/null
+++ b/arch/x86_64/lib/rwlock.S
@@ -0,0 +1,38 @@
+/* Slow paths of read/write spinlocks. */
+
+#include <linux/linkage.h>
+#include <asm/rwlock.h>
+#include <asm/alternative-asm.i>
+#include <asm/dwarf2.h>
+
+/* rdi:	pointer to rwlock_t */
+ENTRY(__write_lock_failed)
+	CFI_STARTPROC
+	LOCK_PREFIX
+	addl $RW_LOCK_BIAS,(%rdi)
+1:	rep
+	nop
+	cmpl $RW_LOCK_BIAS,(%rdi)
+	jne 1b
+	LOCK_PREFIX
+	subl $RW_LOCK_BIAS,(%rdi)
+	jnz  __write_lock_failed
+	ret
+	CFI_ENDPROC
+END(__write_lock_failed)
+
+/* rdi:	pointer to rwlock_t */
+ENTRY(__read_lock_failed)
+	CFI_STARTPROC
+	LOCK_PREFIX
+	incl (%rdi)
+1:	rep
+	nop
+	cmpl $1,(%rdi)
+	js 1b
+	LOCK_PREFIX
+	decl (%rdi)
+	js __read_lock_failed
+	ret
+	CFI_ENDPROC
+END(__read_lock_failed)
diff --git a/arch/x86_64/lib/thunk.S b/arch/x86_64/lib/thunk.S
index 332ea5dff916..0025535cac8d 100644
--- a/arch/x86_64/lib/thunk.S
+++ b/arch/x86_64/lib/thunk.S
@@ -1,10 +1,9 @@
-	/*
-	 * Save registers before calling assembly functions. This avoids
-	 * disturbance of register allocation in some inline assembly constructs.
-	 * Copyright 2001,2002 by Andi Kleen, SuSE Labs.
-	 * Subject to the GNU public license, v.2. No warranty of any kind.
-	 * $Id: thunk.S,v 1.2 2002/03/13 20:06:58 ak Exp $
-	 */
+/*
+ * Save registers before calling assembly functions. This avoids
+ * disturbance of register allocation in some inline assembly constructs.
+ * Copyright 2001,2002 by Andi Kleen, SuSE Labs.
+ * Subject to the GNU public license, v.2. No warranty of any kind.
+ */
 
 	#include <linux/config.h>
 	#include <linux/linkage.h>
@@ -67,33 +66,3 @@ restore_norax:
 	RESTORE_ARGS 1
 	ret
 	CFI_ENDPROC
-
-#ifdef CONFIG_SMP
-/* Support for read/write spinlocks. */
-	.text
-/* rax:	pointer to rwlock_t */	
-ENTRY(__write_lock_failed)
-	lock
-	addl $RW_LOCK_BIAS,(%rax)
-1:	rep
-	nop
-	cmpl $RW_LOCK_BIAS,(%rax)
-	jne 1b
-	lock 
-	subl $RW_LOCK_BIAS,(%rax)
-	jnz  __write_lock_failed
-	ret
-
-/* rax:	pointer to rwlock_t */	
-ENTRY(__read_lock_failed)
-	lock
-	incl (%rax)
-1:	rep
-	nop
-	cmpl $1,(%rax)
-	js 1b
-	lock
-	decl (%rax)
-	js __read_lock_failed
-	ret
-#endif
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index ac8ea66ccb94..1a17b0733ab5 100644
--- a/arch/x86_64/mm/fault.c
+++ b/arch/x86_64/mm/fault.c
@@ -40,8 +40,7 @@
 #define PF_RSVD	(1<<3)
 #define PF_INSTR	(1<<4)
 
-#ifdef CONFIG_KPROBES
-ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
+static ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
 
 /* Hook to register for page fault notifications */
 int register_page_fault_notifier(struct notifier_block *nb)
@@ -49,11 +48,13 @@ int register_page_fault_notifier(struct notifier_block *nb)
 	vmalloc_sync_all();
 	return atomic_notifier_chain_register(&notify_page_fault_chain, nb);
 }
+EXPORT_SYMBOL_GPL(register_page_fault_notifier);
 
 int unregister_page_fault_notifier(struct notifier_block *nb)
 {
 	return atomic_notifier_chain_unregister(&notify_page_fault_chain, nb);
 }
+EXPORT_SYMBOL_GPL(unregister_page_fault_notifier);
 
 static inline int notify_page_fault(enum die_val val, const char *str,
 			struct pt_regs *regs, long err, int trap, int sig)
@@ -67,13 +68,6 @@ static inline int notify_page_fault(enum die_val val, const char *str,
 	};
 	return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args);
 }
-#else
-static inline int notify_page_fault(enum die_val val, const char *str,
-			struct pt_regs *regs, long err, int trap, int sig)
-{
-	return NOTIFY_DONE;
-}
-#endif
 
 void bust_spinlocks(int yes)
 {
@@ -102,7 +96,7 @@ void bust_spinlocks(int yes)
 static noinline int is_prefetch(struct pt_regs *regs, unsigned long addr,
 				unsigned long error_code)
 { 
-	unsigned char *instr;
+	unsigned char __user *instr;
 	int scan_more = 1;
 	int prefetch = 0; 
 	unsigned char *max_instr;
@@ -111,7 +105,7 @@ static noinline int is_prefetch(struct pt_regs *regs, unsigned long addr,
 	if (error_code & PF_INSTR)
 		return 0;
 	
-	instr = (unsigned char *)convert_rip_to_linear(current, regs);
+	instr = (unsigned char __user *)convert_rip_to_linear(current, regs);
 	max_instr = instr + 15;
 
 	if (user_mode(regs) && instr >= (unsigned char *)TASK_SIZE)
@@ -122,7 +116,7 @@ static noinline int is_prefetch(struct pt_regs *regs, unsigned long addr,
 		unsigned char instr_hi;
 		unsigned char instr_lo;
 
-		if (__get_user(opcode, instr))
+		if (__get_user(opcode, (char __user *)instr))
 			break; 
 
 		instr_hi = opcode & 0xf0; 
@@ -160,7 +154,7 @@ static noinline int is_prefetch(struct pt_regs *regs, unsigned long addr,
 		case 0x00:
 			/* Prefetch instruction is 0x0F0D or 0x0F18 */
 			scan_more = 0;
-			if (__get_user(opcode, instr)) 
+			if (__get_user(opcode, (char __user *)instr))
 				break;
 			prefetch = (instr_lo == 0xF) &&
 				(opcode == 0x0D || opcode == 0x18);
@@ -176,7 +170,7 @@ static noinline int is_prefetch(struct pt_regs *regs, unsigned long addr,
 static int bad_address(void *p) 
 { 
 	unsigned long dummy;
-	return __get_user(dummy, (unsigned long *)p);
+	return __get_user(dummy, (unsigned long __user *)p);
 } 
 
 void dump_pagetable(unsigned long address)
@@ -299,7 +293,7 @@ static int vmalloc_fault(unsigned long address)
 	if (pgd_none(*pgd))
 		set_pgd(pgd, *pgd_ref);
 	else
-		BUG_ON(pgd_page(*pgd) != pgd_page(*pgd_ref));
+		BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref));
 
 	/* Below here mismatches are bugs because these lower tables
 	   are shared */
@@ -308,7 +302,7 @@ static int vmalloc_fault(unsigned long address)
 	pud_ref = pud_offset(pgd_ref, address);
 	if (pud_none(*pud_ref))
 		return -1;
-	if (pud_none(*pud) || pud_page(*pud) != pud_page(*pud_ref))
+	if (pud_none(*pud) || pud_page_vaddr(*pud) != pud_page_vaddr(*pud_ref))
 		BUG();
 	pmd = pmd_offset(pud, address);
 	pmd_ref = pmd_offset(pud_ref, address);
@@ -641,7 +635,7 @@ void vmalloc_sync_all(void)
 				if (pgd_none(*pgd))
 					set_pgd(pgd, *pgd_ref);
 				else
-					BUG_ON(pgd_page(*pgd) != pgd_page(*pgd_ref));
+					BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref));
 			}
 			spin_unlock(&pgd_lock);
 			set_bit(pgd_index(address), insync);
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index d14fb2dfbfc4..3e16fe08150e 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -229,7 +229,6 @@ __init void *early_ioremap(unsigned long addr, unsigned long size)
 
 	/* actually usually some more */
 	if (size >= LARGE_PAGE_SIZE) { 
-		printk("SMBIOS area too long %lu\n", size);
 		return NULL;
 	}
 	set_pmd(temp_mappings[0].pmd,  __pmd(map | _KERNPG_TABLE | _PAGE_PSE));
@@ -250,12 +249,13 @@ __init void early_iounmap(void *addr, unsigned long size)
 }
 
 static void __meminit
-phys_pmd_init(pmd_t *pmd, unsigned long address, unsigned long end)
+phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end)
 {
-	int i;
+	int i = pmd_index(address);
 
-	for (i = 0; i < PTRS_PER_PMD; pmd++, i++, address += PMD_SIZE) {
+	for (; i < PTRS_PER_PMD; i++, address += PMD_SIZE) {
 		unsigned long entry;
+		pmd_t *pmd = pmd_page + pmd_index(address);
 
 		if (address >= end) {
 			if (!after_bootmem)
@@ -263,6 +263,10 @@ phys_pmd_init(pmd_t *pmd, unsigned long address, unsigned long end)
 					set_pmd(pmd, __pmd(0));
 			break;
 		}
+
+		if (pmd_val(*pmd))
+			continue;
+
 		entry = _PAGE_NX|_PAGE_PSE|_KERNPG_TABLE|_PAGE_GLOBAL|address;
 		entry &= __supported_pte_mask;
 		set_pmd(pmd, __pmd(entry));
@@ -272,45 +276,41 @@ phys_pmd_init(pmd_t *pmd, unsigned long address, unsigned long end)
 static void __meminit
 phys_pmd_update(pud_t *pud, unsigned long address, unsigned long end)
 {
-	pmd_t *pmd = pmd_offset(pud, (unsigned long)__va(address));
-
-	if (pmd_none(*pmd)) {
-		spin_lock(&init_mm.page_table_lock);
-		phys_pmd_init(pmd, address, end);
-		spin_unlock(&init_mm.page_table_lock);
-		__flush_tlb_all();
-	}
+	pmd_t *pmd = pmd_offset(pud,0);
+	spin_lock(&init_mm.page_table_lock);
+	phys_pmd_init(pmd, address, end);
+	spin_unlock(&init_mm.page_table_lock);
+	__flush_tlb_all();
 }
 
-static void __meminit phys_pud_init(pud_t *pud, unsigned long address, unsigned long end)
+static void __meminit phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end)
 { 
-	long i = pud_index(address);
+	int i = pud_index(addr);
 
-	pud = pud + i;
 
-	if (after_bootmem && pud_val(*pud)) {
-		phys_pmd_update(pud, address, end);
-		return;
-	}
-
-	for (; i < PTRS_PER_PUD; pud++, i++) {
+	for (; i < PTRS_PER_PUD; i++, addr = (addr & PUD_MASK) + PUD_SIZE ) {
 		int map; 
-		unsigned long paddr, pmd_phys;
+		unsigned long pmd_phys;
+		pud_t *pud = pud_page + pud_index(addr);
 		pmd_t *pmd;
 
-		paddr = (address & PGDIR_MASK) + i*PUD_SIZE;
-		if (paddr >= end)
+		if (addr >= end)
 			break;
 
-		if (!after_bootmem && !e820_any_mapped(paddr, paddr+PUD_SIZE, 0)) {
+		if (!after_bootmem && !e820_any_mapped(addr,addr+PUD_SIZE,0)) {
 			set_pud(pud, __pud(0)); 
 			continue;
 		} 
 
+		if (pud_val(*pud)) {
+			phys_pmd_update(pud, addr, end);
+			continue;
+		}
+
 		pmd = alloc_low_page(&map, &pmd_phys);
 		spin_lock(&init_mm.page_table_lock);
 		set_pud(pud, __pud(pmd_phys | _KERNPG_TABLE));
-		phys_pmd_init(pmd, paddr, end);
+		phys_pmd_init(pmd, addr, end);
 		spin_unlock(&init_mm.page_table_lock);
 		unmap_low_page(map);
 	}
@@ -403,69 +403,15 @@ void __cpuinit zap_low_mappings(int cpu)
 	__flush_tlb_all();
 }
 
-/* Compute zone sizes for the DMA and DMA32 zones in a node. */
-__init void
-size_zones(unsigned long *z, unsigned long *h,
-	   unsigned long start_pfn, unsigned long end_pfn)
-{
- 	int i;
- 	unsigned long w;
-
- 	for (i = 0; i < MAX_NR_ZONES; i++)
- 		z[i] = 0;
-
- 	if (start_pfn < MAX_DMA_PFN)
- 		z[ZONE_DMA] = MAX_DMA_PFN - start_pfn;
- 	if (start_pfn < MAX_DMA32_PFN) {
- 		unsigned long dma32_pfn = MAX_DMA32_PFN;
- 		if (dma32_pfn > end_pfn)
- 			dma32_pfn = end_pfn;
- 		z[ZONE_DMA32] = dma32_pfn - start_pfn;
- 	}
- 	z[ZONE_NORMAL] = end_pfn - start_pfn;
-
- 	/* Remove lower zones from higher ones. */
- 	w = 0;
- 	for (i = 0; i < MAX_NR_ZONES; i++) {
- 		if (z[i])
- 			z[i] -= w;
- 	        w += z[i];
-	}
-
-	/* Compute holes */
-	w = start_pfn;
-	for (i = 0; i < MAX_NR_ZONES; i++) {
-		unsigned long s = w;
-		w += z[i];
-		h[i] = e820_hole_size(s, w);
-	}
-
-	/* Add the space pace needed for mem_map to the holes too. */
-	for (i = 0; i < MAX_NR_ZONES; i++)
-		h[i] += (z[i] * sizeof(struct page)) / PAGE_SIZE;
-
-	/* The 16MB DMA zone has the kernel and other misc mappings.
- 	   Account them too */
-	if (h[ZONE_DMA]) {
-		h[ZONE_DMA] += dma_reserve;
-		if (h[ZONE_DMA] >= z[ZONE_DMA]) {
-			printk(KERN_WARNING
-				"Kernel too large and filling up ZONE_DMA?\n");
-			h[ZONE_DMA] = z[ZONE_DMA];
-		}
-	}
-}
-
 #ifndef CONFIG_NUMA
 void __init paging_init(void)
 {
-	unsigned long zones[MAX_NR_ZONES], holes[MAX_NR_ZONES];
-
+	unsigned long max_zone_pfns[MAX_NR_ZONES] = {MAX_DMA_PFN,
+							MAX_DMA32_PFN,
+							end_pfn};
 	memory_present(0, 0, end_pfn);
 	sparse_init();
-	size_zones(zones, holes, 0, end_pfn);
-	free_area_init_node(0, NODE_DATA(0), zones,
-			    __pa(PAGE_OFFSET) >> PAGE_SHIFT, holes);
+	free_area_init_nodes(max_zone_pfns);
 }
 #endif
 
@@ -536,7 +482,7 @@ int memory_add_physaddr_to_nid(u64 start)
 int arch_add_memory(int nid, u64 start, u64 size)
 {
 	struct pglist_data *pgdat = NODE_DATA(nid);
-	struct zone *zone = pgdat->node_zones + MAX_NR_ZONES-2;
+	struct zone *zone = pgdat->node_zones + ZONE_NORMAL;
 	unsigned long start_pfn = start >> PAGE_SHIFT;
 	unsigned long nr_pages = size >> PAGE_SHIFT;
 	int ret;
@@ -597,12 +543,6 @@ void __init mem_init(void)
 
 	pci_iommu_alloc();
 
-	/* How many end-of-memory variables you have, grandma! */
-	max_low_pfn = end_pfn;
-	max_pfn = end_pfn;
-	num_physpages = end_pfn;
-	high_memory = (void *) __va(end_pfn * PAGE_SIZE);
-
 	/* clear the zero-page */
 	memset(empty_zero_page, 0, PAGE_SIZE);
 
@@ -614,7 +554,8 @@ void __init mem_init(void)
 #else
 	totalram_pages = free_all_bootmem();
 #endif
-	reservedpages = end_pfn - totalram_pages - e820_hole_size(0, end_pfn);
+	reservedpages = end_pfn - totalram_pages -
+					absent_pages_in_range(0, end_pfn);
 
 	after_bootmem = 1;
 
@@ -714,8 +655,10 @@ void __init reserve_bootmem_generic(unsigned long phys, unsigned len)
 #else       		
 	reserve_bootmem(phys, len);    
 #endif
-	if (phys+len <= MAX_DMA_PFN*PAGE_SIZE)
+	if (phys+len <= MAX_DMA_PFN*PAGE_SIZE) {
 		dma_reserve += len / PAGE_SIZE;
+		set_dma_reserve(dma_reserve);
+	}
 }
 
 int kern_addr_valid(unsigned long addr) 
diff --git a/arch/x86_64/mm/k8topology.c b/arch/x86_64/mm/k8topology.c
index 7c45c2d2b8b2..b5b8dba28b4e 100644
--- a/arch/x86_64/mm/k8topology.c
+++ b/arch/x86_64/mm/k8topology.c
@@ -54,6 +54,9 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
 
 	nodes_clear(nodes_parsed);
 
+	if (!early_pci_allowed())
+		return -1;
+
 	nb = find_northbridge(); 
 	if (nb < 0) 
 		return nb;
@@ -146,6 +149,9 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
 		
 		nodes[nodeid].start = base; 
 		nodes[nodeid].end = limit;
+		e820_register_active_regions(nodeid,
+				nodes[nodeid].start >> PAGE_SHIFT,
+				nodes[nodeid].end >> PAGE_SHIFT);
 
 		prevbase = base;
 
diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index b2fac14baac0..829a008bd39b 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -161,7 +161,7 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, unsigned long en
 					 bootmap_start >> PAGE_SHIFT, 
 					 start_pfn, end_pfn); 
 
-	e820_bootmem_free(NODE_DATA(nodeid), start, end);
+	free_bootmem_with_active_regions(nodeid, end);
 
 	reserve_bootmem_node(NODE_DATA(nodeid), nodedata_phys, pgdat_size); 
 	reserve_bootmem_node(NODE_DATA(nodeid), bootmap_start, bootmap_pages<<PAGE_SHIFT);
@@ -175,13 +175,11 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, unsigned long en
 void __init setup_node_zones(int nodeid)
 { 
 	unsigned long start_pfn, end_pfn, memmapsize, limit;
-	unsigned long zones[MAX_NR_ZONES];
-	unsigned long holes[MAX_NR_ZONES];
 
  	start_pfn = node_start_pfn(nodeid);
  	end_pfn = node_end_pfn(nodeid);
 
-	Dprintk(KERN_INFO "Setting up node %d %lx-%lx\n",
+	Dprintk(KERN_INFO "Setting up memmap for node %d %lx-%lx\n",
 		nodeid, start_pfn, end_pfn);
 
 	/* Try to allocate mem_map at end to not fill up precious <4GB
@@ -195,10 +193,6 @@ void __init setup_node_zones(int nodeid)
 				round_down(limit - memmapsize, PAGE_SIZE), 
 				limit);
 #endif
-
-	size_zones(zones, holes, start_pfn, end_pfn);
-	free_area_init_node(nodeid, NODE_DATA(nodeid), zones,
-			    start_pfn, holes);
 } 
 
 void __init numa_init_array(void)
@@ -225,7 +219,7 @@ void __init numa_init_array(void)
 int numa_fake __initdata = 0;
 
 /* Numa emulation */
-static int numa_emulation(unsigned long start_pfn, unsigned long end_pfn)
+static int __init numa_emulation(unsigned long start_pfn, unsigned long end_pfn)
 {
  	int i;
  	struct bootnode nodes[MAX_NUMNODES];
@@ -259,8 +253,11 @@ static int numa_emulation(unsigned long start_pfn, unsigned long end_pfn)
  		printk(KERN_ERR "No NUMA hash function found. Emulation disabled.\n");
  		return -1;
  	}
- 	for_each_online_node(i)
+ 	for_each_online_node(i) {
+		e820_register_active_regions(i, nodes[i].start >> PAGE_SHIFT,
+						nodes[i].end >> PAGE_SHIFT);
  		setup_node_bootmem(i, nodes[i].start, nodes[i].end);
+	}
  	numa_init_array();
  	return 0;
 }
@@ -299,6 +296,7 @@ void __init numa_initmem_init(unsigned long start_pfn, unsigned long end_pfn)
 	for (i = 0; i < NR_CPUS; i++)
 		numa_set_node(i, 0);
 	node_to_cpumask[0] = cpumask_of_cpu(0);
+	e820_register_active_regions(0, start_pfn, end_pfn);
 	setup_node_bootmem(0, start_pfn << PAGE_SHIFT, end_pfn << PAGE_SHIFT);
 }
 
@@ -340,17 +338,23 @@ static void __init arch_sparse_init(void)
 void __init paging_init(void)
 { 
 	int i;
+	unsigned long max_zone_pfns[MAX_NR_ZONES] = { MAX_DMA_PFN,
+		MAX_DMA32_PFN,
+		end_pfn};
 
 	arch_sparse_init();
 
 	for_each_online_node(i) {
 		setup_node_zones(i); 
 	}
+
+	free_area_init_nodes(max_zone_pfns);
 } 
 
-/* [numa=off] */
-__init int numa_setup(char *opt) 
+static __init int numa_setup(char *opt)
 { 
+	if (!opt)
+		return -EINVAL;
 	if (!strncmp(opt,"off",3))
 		numa_off = 1;
 #ifdef CONFIG_NUMA_EMU
@@ -366,9 +370,11 @@ __init int numa_setup(char *opt)
 	if (!strncmp(opt,"hotadd=", 7))
 		hotadd_percent = simple_strtoul(opt+7, NULL, 10);
 #endif
-	return 1;
+	return 0;
 } 
 
+early_param("numa", numa_setup);
+
 /*
  * Setup early cpu_to_node.
  *
diff --git a/arch/x86_64/mm/pageattr.c b/arch/x86_64/mm/pageattr.c
index 2685b1f3671c..3e231d762aaa 100644
--- a/arch/x86_64/mm/pageattr.c
+++ b/arch/x86_64/mm/pageattr.c
@@ -108,8 +108,8 @@ static void revert_page(unsigned long address, pgprot_t ref_prot)
 	BUG_ON(pud_none(*pud));
 	pmd = pmd_offset(pud, address);
 	BUG_ON(pmd_val(*pmd) & _PAGE_PSE);
-	pgprot_val(ref_prot) |= _PAGE_PSE;
 	large_pte = mk_pte_phys(__pa(address) & LARGE_PAGE_MASK, ref_prot);
+	large_pte = pte_mkhuge(large_pte);
 	set_pte((pte_t *)pmd, large_pte);
 }      
 
@@ -119,32 +119,28 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot,
 { 
 	pte_t *kpte; 
 	struct page *kpte_page;
-	unsigned kpte_flags;
 	pgprot_t ref_prot2;
 	kpte = lookup_address(address);
 	if (!kpte) return 0;
 	kpte_page = virt_to_page(((unsigned long)kpte) & PAGE_MASK);
-	kpte_flags = pte_val(*kpte); 
 	if (pgprot_val(prot) != pgprot_val(ref_prot)) { 
-		if ((kpte_flags & _PAGE_PSE) == 0) { 
+		if (!pte_huge(*kpte)) {
 			set_pte(kpte, pfn_pte(pfn, prot));
 		} else {
  			/*
 			 * split_large_page will take the reference for this
 			 * change_page_attr on the split page.
  			 */
-
 			struct page *split;
-			ref_prot2 = __pgprot(pgprot_val(pte_pgprot(*lookup_address(address))) & ~(1<<_PAGE_BIT_PSE));
-
+			ref_prot2 = pte_pgprot(pte_clrhuge(*kpte));
 			split = split_large_page(address, prot, ref_prot2);
 			if (!split)
 				return -ENOMEM;
-			set_pte(kpte,mk_pte(split, ref_prot2));
+			set_pte(kpte, mk_pte(split, ref_prot2));
 			kpte_page = split;
-		}	
+		}
 		page_private(kpte_page)++;
-	} else if ((kpte_flags & _PAGE_PSE) == 0) { 
+	} else if (!pte_huge(*kpte)) {
 		set_pte(kpte, pfn_pte(pfn, ref_prot));
 		BUG_ON(page_private(kpte_page) == 0);
 		page_private(kpte_page)--;
@@ -190,10 +186,12 @@ int change_page_attr_addr(unsigned long address, int numpages, pgprot_t prot)
 		 * lowmem */
 		if (__pa(address) < KERNEL_TEXT_SIZE) {
 			unsigned long addr2;
-			pgprot_t prot2 = prot;
+			pgprot_t prot2;
 			addr2 = __START_KERNEL_map + __pa(address);
- 			pgprot_val(prot2) &= ~_PAGE_NX;
-			err = __change_page_attr(addr2, pfn, prot2, PAGE_KERNEL_EXEC);
+			/* Make sure the kernel mappings stay executable */
+			prot2 = pte_pgprot(pte_mkexec(pfn_pte(0, prot)));
+			err = __change_page_attr(addr2, pfn, prot2,
+						 PAGE_KERNEL_EXEC);
 		} 
 	} 	
 	up_write(&init_mm.mmap_sem); 
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index 502fce65e96a..f8c04d6935c9 100644
--- a/arch/x86_64/mm/srat.c
+++ b/arch/x86_64/mm/srat.c
@@ -21,6 +21,8 @@
 #include <asm/numa.h>
 #include <asm/e820.h>
 
+int acpi_numa __initdata;
+
 #if (defined(CONFIG_ACPI_HOTPLUG_MEMORY) || \
 	defined(CONFIG_ACPI_HOTPLUG_MEMORY_MODULE)) \
 		&& !defined(CONFIG_MEMORY_HOTPLUG)
@@ -91,6 +93,7 @@ static __init void bad_srat(void)
 		apicid_to_node[i] = NUMA_NO_NODE;
 	for (i = 0; i < MAX_NUMNODES; i++)
 		nodes_add[i].start = nodes[i].end = 0;
+	remove_all_active_ranges();
 }
 
 static __init inline int srat_disabled(void)
@@ -173,7 +176,7 @@ static int hotadd_enough_memory(struct bootnode *nd)
 
 	if (mem < 0)
 		return 0;
-	allowed = (end_pfn - e820_hole_size(0, end_pfn)) * PAGE_SIZE;
+	allowed = (end_pfn - absent_pages_in_range(0, end_pfn)) * PAGE_SIZE;
 	allowed = (allowed / 100) * hotadd_percent;
 	if (allocated + mem > allowed) {
 		unsigned long range;
@@ -223,8 +226,10 @@ static int reserve_hotadd(int node, unsigned long start, unsigned long end)
 	}
 
 	/* This check might be a bit too strict, but I'm keeping it for now. */
-	if (e820_hole_size(s_pfn, e_pfn) != e_pfn - s_pfn) {
-		printk(KERN_ERR "SRAT: Hotplug area has existing memory\n");
+	if (absent_pages_in_range(s_pfn, e_pfn) != e_pfn - s_pfn) {
+		printk(KERN_ERR
+			"SRAT: Hotplug area %lu -> %lu has existing memory\n",
+			s_pfn, e_pfn);
 		return -1;
 	}
 
@@ -317,6 +322,10 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
 
 	printk(KERN_INFO "SRAT: Node %u PXM %u %Lx-%Lx\n", node, pxm,
 	       nd->start, nd->end);
+	e820_register_active_regions(node, nd->start >> PAGE_SHIFT,
+						nd->end >> PAGE_SHIFT);
+	push_node_boundaries(node, nd->start >> PAGE_SHIFT,
+						nd->end >> PAGE_SHIFT);
 
 #ifdef RESERVE_HOTADD
  	if (ma->flags.hot_pluggable && reserve_hotadd(node, start, end) < 0) {
@@ -341,13 +350,13 @@ static int nodes_cover_memory(void)
 		unsigned long s = nodes[i].start >> PAGE_SHIFT;
 		unsigned long e = nodes[i].end >> PAGE_SHIFT;
 		pxmram += e - s;
-		pxmram -= e820_hole_size(s, e);
+		pxmram -= absent_pages_in_range(s, e);
 		pxmram -= nodes_add[i].end - nodes_add[i].start;
 		if ((long)pxmram < 0)
 			pxmram = 0;
 	}
 
-	e820ram = end_pfn - e820_hole_size(0, end_pfn);
+	e820ram = end_pfn - absent_pages_in_range(0, end_pfn);
 	/* We seem to lose 3 pages somewhere. Allow a bit of slack. */
 	if ((long)(e820ram - pxmram) >= 1*1024*1024) {
 		printk(KERN_ERR
diff --git a/arch/x86_64/pci/Makefile b/arch/x86_64/pci/Makefile
index a3f6ad570179..1eb18f421edf 100644
--- a/arch/x86_64/pci/Makefile
+++ b/arch/x86_64/pci/Makefile
@@ -9,7 +9,7 @@ obj-y		:= i386.o
 obj-$(CONFIG_PCI_DIRECT)+= direct.o
 obj-y		+= fixup.o init.o
 obj-$(CONFIG_ACPI)	+= acpi.o
-obj-y			+= legacy.o irq.o common.o
+obj-y			+= legacy.o irq.o common.o early.o
 # mmconfig has a 64bit special
 obj-$(CONFIG_PCI_MMCONFIG) += mmconfig.o direct.o
 
@@ -23,3 +23,4 @@ common-y += ../../i386/pci/common.o
 fixup-y  += ../../i386/pci/fixup.o
 i386-y  += ../../i386/pci/i386.o
 init-y += ../../i386/pci/init.o
+early-y += ../../i386/pci/early.o
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index 3c55c76c6fd5..7732f4254d21 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -156,15 +156,45 @@ static __init void unreachable_devices(void)
 			addr = pci_dev_base(0, k, PCI_DEVFN(i, 0));
 			if (addr == NULL|| readl(addr) != val1) {
 				set_bit(i + 32*k, fallback_slots);
-				printk(KERN_NOTICE
-				"PCI: No mmconfig possible on device %x:%x\n",
-					k, i);
+				printk(KERN_NOTICE "PCI: No mmconfig possible"
+				       " on device %02x:%02x\n", k, i);
 			}
 		}
 	}
 }
 
-void __init pci_mmcfg_init(void)
+static __init void pci_mmcfg_insert_resources(void)
+{
+#define PCI_MMCFG_RESOURCE_NAME_LEN 19
+	int i;
+	struct resource *res;
+	char *names;
+	unsigned num_buses;
+
+	res = kcalloc(PCI_MMCFG_RESOURCE_NAME_LEN + sizeof(*res),
+			pci_mmcfg_config_num, GFP_KERNEL);
+
+	if (!res) {
+		printk(KERN_ERR "PCI: Unable to allocate MMCONFIG resources\n");
+		return;
+	}
+
+	names = (void *)&res[pci_mmcfg_config_num];
+	for (i = 0; i < pci_mmcfg_config_num; i++, res++) {
+		num_buses = pci_mmcfg_config[i].end_bus_number -
+		    pci_mmcfg_config[i].start_bus_number + 1;
+		res->name = names;
+		snprintf(names, PCI_MMCFG_RESOURCE_NAME_LEN, "PCI MMCONFIG %u",
+			pci_mmcfg_config[i].pci_segment_group_number);
+		res->start = pci_mmcfg_config[i].base_address;
+		res->end = res->start + (num_buses << 20) - 1;
+		res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+		insert_resource(&iomem_resource, res);
+		names += PCI_MMCFG_RESOURCE_NAME_LEN;
+	}
+}
+
+void __init pci_mmcfg_init(int type)
 {
 	int i;
 
@@ -177,7 +207,9 @@ void __init pci_mmcfg_init(void)
 	    (pci_mmcfg_config[0].base_address == 0))
 		return;
 
-	if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
+	/* Only do this check when type 1 works. If it doesn't work
+           assume we run on a Mac and always use MCFG */
+	if (type == 1 && !e820_all_mapped(pci_mmcfg_config[0].base_address,
 			pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
 			E820_RESERVED)) {
 		printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
@@ -186,7 +218,6 @@ void __init pci_mmcfg_init(void)
 		return;
 	}
 
-	/* RED-PEN i386 doesn't do _nocache right now */
 	pci_mmcfg_virt = kmalloc(sizeof(*pci_mmcfg_virt) * pci_mmcfg_config_num, GFP_KERNEL);
 	if (pci_mmcfg_virt == NULL) {
 		printk("PCI: Can not allocate memory for mmconfig structures\n");
@@ -205,6 +236,7 @@ void __init pci_mmcfg_init(void)
 	}
 
 	unreachable_devices();
+	pci_mmcfg_insert_resources();
 
 	raw_pci_ops = &pci_mmcfg;
 	pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;