Merge branch 'linus' into x86/urgent

Merge reason: pull in latest to fix a bug in it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

16 files changed, 519 insertions, 103 deletions

diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index b5421cccd7e1..25100f7acf4c 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -20,6 +20,12 @@ config MACH_RD88F6281
 	  Say 'Y' here if you want your kernel to support the
 	  Marvell RD-88F6281 Reference Board.
 
+config MACH_MV88F6281GTW_GE
+	bool "Marvell 88F6281 GTW GE Board"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Marvell 88F6281 GTW GE Board.
+
 config MACH_SHEEVAPLUG
 	bool "Marvell SheevaPlug Reference Board"
 	help
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index 8f03c9b9bdd9..9dd680e964d6 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -3,5 +3,8 @@ obj-y				+= common.o addr-map.o irq.o pcie.o mpp.o
 obj-$(CONFIG_MACH_DB88F6281_BP)		+= db88f6281-bp-setup.o
 obj-$(CONFIG_MACH_RD88F6192_NAS)	+= rd88f6192-nas-setup.o
 obj-$(CONFIG_MACH_RD88F6281)		+= rd88f6281-setup.o
+obj-$(CONFIG_MACH_MV88F6281GTW_GE)	+= mv88f6281gtw_ge-setup.o
 obj-$(CONFIG_MACH_SHEEVAPLUG)		+= sheevaplug-setup.o
 obj-$(CONFIG_MACH_TS219)		+= ts219-setup.o
+
+obj-$(CONFIG_CPU_IDLE)			+= cpuidle.o
diff --git a/arch/arm/mach-kirkwood/addr-map.c b/arch/arm/mach-kirkwood/addr-map.c
index 5db4f0bbe5ee..1da5d1c18ecb 100644
--- a/arch/arm/mach-kirkwood/addr-map.c
+++ b/arch/arm/mach-kirkwood/addr-map.c
@@ -20,6 +20,7 @@
  */
 #define TARGET_DDR		0
 #define TARGET_DEV_BUS		1
+#define TARGET_SRAM		3
 #define TARGET_PCIE		4
 #define ATTR_DEV_SPI_ROM	0x1e
 #define ATTR_DEV_BOOT		0x1d
@@ -30,6 +31,7 @@
 #define ATTR_DEV_CS0		0x3e
 #define ATTR_PCIE_IO		0xe0
 #define ATTR_PCIE_MEM		0xe8
+#define ATTR_SRAM		0x01
 
 /*
  * Helpers to get DDR bank info
@@ -48,7 +50,6 @@
 
 
 struct mbus_dram_target_info kirkwood_mbus_dram_info;
-static int __initdata win_alloc_count;
 
 static int __init cpu_win_can_remap(int win)
 {
@@ -112,7 +113,11 @@ void __init kirkwood_setup_cpu_mbus(void)
 	setup_cpu_win(2, KIRKWOOD_NAND_MEM_PHYS_BASE, KIRKWOOD_NAND_MEM_SIZE,
 		      TARGET_DEV_BUS, ATTR_DEV_NAND, -1);
 
-	win_alloc_count = 3;
+	/*
+	 * Setup window for SRAM.
+	 */
+	setup_cpu_win(3, KIRKWOOD_SRAM_PHYS_BASE, KIRKWOOD_SRAM_SIZE,
+		      TARGET_SRAM, ATTR_SRAM, -1);
 
 	/*
 	 * Setup MBUS dram target info.
@@ -140,8 +145,3 @@ void __init kirkwood_setup_cpu_mbus(void)
 	}
 	kirkwood_mbus_dram_info.num_cs = cs;
 }
-
-void __init kirkwood_setup_sram_win(u32 base, u32 size)
-{
-	setup_cpu_win(win_alloc_count++, base, size, 0x03, 0x00, -1);
-}
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index be1ca28fed3f..0f6919838011 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -16,6 +16,7 @@
 #include <linux/mv643xx_eth.h>
 #include <linux/mv643xx_i2c.h>
 #include <linux/ata_platform.h>
+#include <linux/mtd/nand.h>
 #include <linux/spi/orion_spi.h>
 #include <net/dsa.h>
 #include <asm/page.h>
@@ -29,6 +30,7 @@
 #include <plat/mvsdio.h>
 #include <plat/mv_xor.h>
 #include <plat/orion_nand.h>
+#include <plat/orion_wdt.h>
 #include <plat/time.h>
 #include "common.h"
 
@@ -54,6 +56,13 @@ void __init kirkwood_map_io(void)
 	iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc));
 }
 
+/*
+ * Default clock control bits.  Any bit _not_ set in this variable
+ * will be cleared from the hardware after platform devices have been
+ * registered.  Some reserved bits must be set to 1.
+ */
+unsigned int kirkwood_clk_ctrl = CGC_DUNIT | CGC_RESERVED;
+	
 
 /*****************************************************************************
  * EHCI
@@ -95,6 +104,7 @@ static struct platform_device kirkwood_ehci = {
 
 void __init kirkwood_ehci_init(void)
 {
+	kirkwood_clk_ctrl |= CGC_USB0;
 	platform_device_register(&kirkwood_ehci);
 }
 
@@ -151,6 +161,7 @@ static struct platform_device kirkwood_ge00 = {
 
 void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data)
 {
+	kirkwood_clk_ctrl |= CGC_GE0;
 	eth_data->shared = &kirkwood_ge00_shared;
 	kirkwood_ge00.dev.platform_data = eth_data;
 
@@ -212,6 +223,7 @@ static struct platform_device kirkwood_ge01 = {
 
 void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data)
 {
+	kirkwood_clk_ctrl |= CGC_GE1;
 	eth_data->shared = &kirkwood_ge01_shared;
 	kirkwood_ge01.dev.platform_data = eth_data;
 
@@ -258,6 +270,43 @@ void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq)
 
 
 /*****************************************************************************
+ * NAND flash
+ ****************************************************************************/
+static struct resource kirkwood_nand_resource = {
+	.flags		= IORESOURCE_MEM,
+	.start		= KIRKWOOD_NAND_MEM_PHYS_BASE,
+	.end		= KIRKWOOD_NAND_MEM_PHYS_BASE +
+				KIRKWOOD_NAND_MEM_SIZE - 1,
+};
+
+static struct orion_nand_data kirkwood_nand_data = {
+	.cle		= 0,
+	.ale		= 1,
+	.width		= 8,
+};
+
+static struct platform_device kirkwood_nand_flash = {
+	.name		= "orion_nand",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &kirkwood_nand_data,
+	},
+	.resource	= &kirkwood_nand_resource,
+	.num_resources	= 1,
+};
+
+void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts,
+			       int chip_delay)
+{
+	kirkwood_clk_ctrl |= CGC_RUNIT;
+	kirkwood_nand_data.parts = parts;
+	kirkwood_nand_data.nr_parts = nr_parts;
+	kirkwood_nand_data.chip_delay = chip_delay;
+	platform_device_register(&kirkwood_nand_flash);
+}
+
+
+/*****************************************************************************
  * SoC RTC
  ****************************************************************************/
 static struct resource kirkwood_rtc_resource = {
@@ -301,6 +350,9 @@ static struct platform_device kirkwood_sata = {
 
 void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data)
 {
+	kirkwood_clk_ctrl |= CGC_SATA0;
+	if (sata_data->n_ports > 1)
+		kirkwood_clk_ctrl |= CGC_SATA1;
 	sata_data->dram = &kirkwood_mbus_dram_info;
 	kirkwood_sata.dev.platform_data = sata_data;
 	platform_device_register(&kirkwood_sata);
@@ -346,6 +398,7 @@ void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
 	else
 		mvsdio_data->clock = 200000000;
 	mvsdio_data->dram = &kirkwood_mbus_dram_info;
+	kirkwood_clk_ctrl |= CGC_SDIO;
 	kirkwood_sdio.dev.platform_data = mvsdio_data;
 	platform_device_register(&kirkwood_sdio);
 }
@@ -377,6 +430,7 @@ static struct platform_device kirkwood_spi = {
 
 void __init kirkwood_spi_init()
 {
+	kirkwood_clk_ctrl |= CGC_RUNIT;
 	platform_device_register(&kirkwood_spi);
 }
 
@@ -507,6 +561,43 @@ void __init kirkwood_uart1_init(void)
 
 
 /*****************************************************************************
+ * Cryptographic Engines and Security Accelerator (CESA)
+ ****************************************************************************/
+
+static struct resource kirkwood_crypto_res[] = {
+	{
+		.name   = "regs",
+		.start  = CRYPTO_PHYS_BASE,
+		.end    = CRYPTO_PHYS_BASE + 0xffff,
+		.flags  = IORESOURCE_MEM,
+	}, {
+		.name   = "sram",
+		.start  = KIRKWOOD_SRAM_PHYS_BASE,
+		.end    = KIRKWOOD_SRAM_PHYS_BASE + KIRKWOOD_SRAM_SIZE - 1,
+		.flags  = IORESOURCE_MEM,
+	}, {
+		.name   = "crypto interrupt",
+		.start  = IRQ_KIRKWOOD_CRYPTO,
+		.end    = IRQ_KIRKWOOD_CRYPTO,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device kirkwood_crypto_device = {
+	.name           = "mv_crypto",
+	.id             = -1,
+	.num_resources  = ARRAY_SIZE(kirkwood_crypto_res),
+	.resource       = kirkwood_crypto_res,
+};
+
+void __init kirkwood_crypto_init(void)
+{
+	kirkwood_clk_ctrl |= CGC_CRYPTO;
+	platform_device_register(&kirkwood_crypto_device);
+}
+
+
+/*****************************************************************************
  * XOR
  ****************************************************************************/
 static struct mv_xor_platform_shared_data kirkwood_xor_shared_data = {
@@ -597,6 +688,7 @@ static struct platform_device kirkwood_xor01_channel = {
 
 static void __init kirkwood_xor0_init(void)
 {
+	kirkwood_clk_ctrl |= CGC_XOR0;
 	platform_device_register(&kirkwood_xor0_shared);
 
 	/*
@@ -695,6 +787,7 @@ static struct platform_device kirkwood_xor11_channel = {
 
 static void __init kirkwood_xor1_init(void)
 {
+	kirkwood_clk_ctrl |= CGC_XOR1;
 	platform_device_register(&kirkwood_xor1_shared);
 
 	/*
@@ -713,6 +806,29 @@ static void __init kirkwood_xor1_init(void)
 
 
 /*****************************************************************************
+ * Watchdog
+ ****************************************************************************/
+static struct orion_wdt_platform_data kirkwood_wdt_data = {
+	.tclk		= 0,
+};
+
+static struct platform_device kirkwood_wdt_device = {
+	.name		= "orion_wdt",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &kirkwood_wdt_data,
+	},
+	.num_resources	= 0,
+};
+
+static void __init kirkwood_wdt_init(void)
+{
+	kirkwood_wdt_data.tclk = kirkwood_tclk;
+	platform_device_register(&kirkwood_wdt_device);
+}
+
+
+/*****************************************************************************
  * Time handling
  ****************************************************************************/
 int kirkwood_tclk;
@@ -804,6 +920,49 @@ void __init kirkwood_init(void)
 
 	/* internal devices that every board has */
 	kirkwood_rtc_init();
+	kirkwood_wdt_init();
 	kirkwood_xor0_init();
 	kirkwood_xor1_init();
+	kirkwood_crypto_init();
+}
+
+static int __init kirkwood_clock_gate(void)
+{
+	unsigned int curr = readl(CLOCK_GATING_CTRL);
+
+	printk(KERN_DEBUG "Gating clock of unused units\n");
+	printk(KERN_DEBUG "before: 0x%08x\n", curr);
+
+	/* Make sure those units are accessible */
+	writel(curr | CGC_SATA0 | CGC_SATA1 | CGC_PEX0, CLOCK_GATING_CTRL);
+
+	/* For SATA: first shutdown the phy */
+	if (!(kirkwood_clk_ctrl & CGC_SATA0)) {
+		/* Disable PLL and IVREF */
+		writel(readl(SATA0_PHY_MODE_2) & ~0xf, SATA0_PHY_MODE_2);
+		/* Disable PHY */
+		writel(readl(SATA0_IF_CTRL) | 0x200, SATA0_IF_CTRL);
+	}
+	if (!(kirkwood_clk_ctrl & CGC_SATA1)) {
+		/* Disable PLL and IVREF */
+		writel(readl(SATA1_PHY_MODE_2) & ~0xf, SATA1_PHY_MODE_2);
+		/* Disable PHY */
+		writel(readl(SATA1_IF_CTRL) | 0x200, SATA1_IF_CTRL);
+	}
+	
+	/* For PCIe: first shutdown the phy */
+	if (!(kirkwood_clk_ctrl & CGC_PEX0)) {
+		writel(readl(PCIE_LINK_CTRL) | 0x10, PCIE_LINK_CTRL);
+		while (1)
+			if (readl(PCIE_STATUS) & 0x1)
+				break;
+		writel(readl(PCIE_LINK_CTRL) & ~0x10, PCIE_LINK_CTRL);
+	}
+
+	/* Now gate clock the required units */
+	writel(kirkwood_clk_ctrl, CLOCK_GATING_CTRL);
+	printk(KERN_DEBUG " after: 0x%08x\n", readl(CLOCK_GATING_CTRL));
+
+	return 0;
 }
+late_initcall(kirkwood_clock_gate);
diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h
index 6ee88406f381..d7de43464358 100644
--- a/arch/arm/mach-kirkwood/common.h
+++ b/arch/arm/mach-kirkwood/common.h
@@ -15,6 +15,7 @@ struct dsa_platform_data;
 struct mv643xx_eth_platform_data;
 struct mv_sata_platform_data;
 struct mvsdio_platform_data;
+struct mtd_partition;
 
 /*
  * Basic Kirkwood init functions used early by machine-setup.
@@ -25,7 +26,6 @@ void kirkwood_init_irq(void);
 
 extern struct mbus_dram_target_info kirkwood_mbus_dram_info;
 void kirkwood_setup_cpu_mbus(void);
-void kirkwood_setup_sram_win(u32 base, u32 size);
 
 void kirkwood_pcie_id(u32 *dev, u32 *rev);
 
@@ -40,9 +40,11 @@ void kirkwood_spi_init(void);
 void kirkwood_i2c_init(void);
 void kirkwood_uart0_init(void);
 void kirkwood_uart1_init(void);
+void kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, int delay);
 
 extern int kirkwood_tclk;
 extern struct sys_timer kirkwood_timer;
 
+#define ARRAY_AND_SIZE(x)	(x), ARRAY_SIZE(x)
 
 #endif
diff --git a/arch/arm/mach-kirkwood/cpuidle.c b/arch/arm/mach-kirkwood/cpuidle.c
new file mode 100644
index 000000000000..f68d33f1f396
--- /dev/null
+++ b/arch/arm/mach-kirkwood/cpuidle.c
@@ -0,0 +1,96 @@
+/*
+ * arch/arm/mach-kirkwood/cpuidle.c
+ *
+ * CPU idle Marvell Kirkwood SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ *
+ * The cpu idle uses wait-for-interrupt and DDR self refresh in order
+ * to implement two idle states -
+ * #1 wait-for-interrupt
+ * #2 wait-for-interrupt and DDR self refresh
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/cpuidle.h>
+#include <linux/io.h>
+#include <asm/proc-fns.h>
+#include <mach/kirkwood.h>
+
+#define KIRKWOOD_MAX_STATES	2
+
+static struct cpuidle_driver kirkwood_idle_driver = {
+	.name =         "kirkwood_idle",
+	.owner =        THIS_MODULE,
+};
+
+static DEFINE_PER_CPU(struct cpuidle_device, kirkwood_cpuidle_device);
+
+/* Actual code that puts the SoC in different idle states */
+static int kirkwood_enter_idle(struct cpuidle_device *dev,
+			       struct cpuidle_state *state)
+{
+	struct timeval before, after;
+	int idle_time;
+
+	local_irq_disable();
+	do_gettimeofday(&before);
+	if (state == &dev->states[0])
+		/* Wait for interrupt state */
+		cpu_do_idle();
+	else if (state == &dev->states[1]) {
+		/*
+		 * Following write will put DDR in self refresh.
+		 * Note that we have 256 cycles before DDR puts it
+		 * self in self-refresh, so the wait-for-interrupt
+		 * call afterwards won't get the DDR from self refresh
+		 * mode.
+		 */
+		writel(0x7, DDR_OPERATION_BASE);
+		cpu_do_idle();
+	}
+	do_gettimeofday(&after);
+	local_irq_enable();
+	idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC +
+			(after.tv_usec - before.tv_usec);
+	return idle_time;
+}
+
+/* Initialize CPU idle by registering the idle states */
+static int kirkwood_init_cpuidle(void)
+{
+	struct cpuidle_device *device;
+
+	cpuidle_register_driver(&kirkwood_idle_driver);
+
+	device = &per_cpu(kirkwood_cpuidle_device, smp_processor_id());
+	device->state_count = KIRKWOOD_MAX_STATES;
+
+	/* Wait for interrupt state */
+	device->states[0].enter = kirkwood_enter_idle;
+	device->states[0].exit_latency = 1;
+	device->states[0].target_residency = 10000;
+	device->states[0].flags = CPUIDLE_FLAG_TIME_VALID;
+	strcpy(device->states[0].name, "WFI");
+	strcpy(device->states[0].desc, "Wait for interrupt");
+
+	/* Wait for interrupt and DDR self refresh state */
+	device->states[1].enter = kirkwood_enter_idle;
+	device->states[1].exit_latency = 10;
+	device->states[1].target_residency = 10000;
+	device->states[1].flags = CPUIDLE_FLAG_TIME_VALID;
+	strcpy(device->states[1].name, "DDR SR");
+	strcpy(device->states[1].desc, "WFI and DDR Self Refresh");
+
+	if (cpuidle_register_device(device)) {
+		printk(KERN_ERR "kirkwood_init_cpuidle: Failed registering\n");
+		return -EIO;
+	}
+	return 0;
+}
+
+device_initcall(kirkwood_init_cpuidle);
diff --git a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
index 5505d5837752..39bdf4bcace9 100644
--- a/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
+++ b/arch/arm/mach-kirkwood/db88f6281-bp-setup.c
@@ -11,14 +11,12 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 #include <linux/ata_platform.h>
 #include <linux/mv643xx_eth.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <mach/kirkwood.h>
-#include <plat/orion_nand.h>
 #include <plat/mvsdio.h>
 #include "common.h"
 #include "mpp.h"
@@ -39,32 +37,6 @@ static struct mtd_partition db88f6281_nand_parts[] = {
 	},
 };
 
-static struct resource db88f6281_nand_resource = {
-	.flags		= IORESOURCE_MEM,
-	.start		= KIRKWOOD_NAND_MEM_PHYS_BASE,
-	.end		= KIRKWOOD_NAND_MEM_PHYS_BASE +
-			  KIRKWOOD_NAND_MEM_SIZE - 1,
-};
-
-static struct orion_nand_data db88f6281_nand_data = {
-	.parts		= db88f6281_nand_parts,
-	.nr_parts	= ARRAY_SIZE(db88f6281_nand_parts),
-	.cle		= 0,
-	.ale		= 1,
-	.width		= 8,
-	.chip_delay	= 25,
-};
-
-static struct platform_device db88f6281_nand_flash = {
-	.name		= "orion_nand",
-	.id		= -1,
-	.dev		= {
-		.platform_data	= &db88f6281_nand_data,
-	},
-	.resource	= &db88f6281_nand_resource,
-	.num_resources	= 1,
-};
-
 static struct mv643xx_eth_platform_data db88f6281_ge00_data = {
 	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
 };
@@ -92,13 +64,12 @@ static void __init db88f6281_init(void)
 	kirkwood_init();
 	kirkwood_mpp_conf(db88f6281_mpp_config);
 
+	kirkwood_nand_init(ARRAY_AND_SIZE(db88f6281_nand_parts), 25);
 	kirkwood_ehci_init();
 	kirkwood_ge00_init(&db88f6281_ge00_data);
 	kirkwood_sata_init(&db88f6281_sata_data);
 	kirkwood_uart0_init();
 	kirkwood_sdio_init(&db88f6281_mvsdio_data);
-	
-	platform_device_register(&db88f6281_nand_flash);
 }
 
 static int __init db88f6281_pci_init(void)
diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
index 4f7029f521cc..9e80d9232c83 100644
--- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
+++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h
@@ -17,12 +17,15 @@
 #define CPU_RESET		0x00000002
 
 #define RSTOUTn_MASK		(BRIDGE_VIRT_BASE | 0x0108)
+#define WDT_RESET_OUT_EN	0x00000002
 #define SOFT_RESET_OUT_EN	0x00000004
 
 #define SYSTEM_SOFT_RESET	(BRIDGE_VIRT_BASE | 0x010c)
 #define SOFT_RESET		0x00000001
 
 #define BRIDGE_CAUSE		(BRIDGE_VIRT_BASE | 0x0110)
+#define WDT_INT_REQ		0x0008
+
 #define BRIDGE_MASK		(BRIDGE_VIRT_BASE | 0x0114)
 #define BRIDGE_INT_TIMER0	0x0002
 #define BRIDGE_INT_TIMER1	0x0004
@@ -39,4 +42,22 @@
 #define L2_CONFIG_REG		(BRIDGE_VIRT_BASE | 0x0128)
 #define L2_WRITETHROUGH		0x00000010
 
+#define CLOCK_GATING_CTRL	(BRIDGE_VIRT_BASE | 0x11c)
+#define CGC_GE0			(1 << 0)
+#define CGC_PEX0		(1 << 2)
+#define CGC_USB0		(1 << 3)
+#define CGC_SDIO		(1 << 4)
+#define CGC_TSU			(1 << 5)
+#define CGC_DUNIT		(1 << 6)
+#define CGC_RUNIT		(1 << 7)
+#define CGC_XOR0		(1 << 8)
+#define CGC_AUDIO		(1 << 9)
+#define CGC_SATA0		(1 << 14)
+#define CGC_SATA1		(1 << 15)
+#define CGC_XOR1		(1 << 16)
+#define CGC_CRYPTO		(1 << 17)
+#define CGC_GE1			(1 << 19)
+#define CGC_TDM			(1 << 20)
+#define CGC_RESERVED		((1 << 18) | (0x6 << 21))
+
 #endif
diff --git a/arch/arm/mach-kirkwood/include/mach/io.h b/arch/arm/mach-kirkwood/include/mach/io.h
index be07be0ef522..a643a846d5fb 100644
--- a/arch/arm/mach-kirkwood/include/mach/io.h
+++ b/arch/arm/mach-kirkwood/include/mach/io.h
@@ -19,6 +19,31 @@ static inline void __iomem *__io(unsigned long addr)
 					+ KIRKWOOD_PCIE_IO_VIRT_BASE);
 }
 
+static inline void __iomem *
+__arch_ioremap(unsigned long paddr, size_t size, unsigned int mtype)
+{
+	void __iomem *retval;
+	unsigned long offs = paddr - KIRKWOOD_REGS_PHYS_BASE;
+	if (mtype == MT_DEVICE && size && offs < KIRKWOOD_REGS_SIZE &&
+	    size <= KIRKWOOD_REGS_SIZE && offs + size <= KIRKWOOD_REGS_SIZE) {
+		retval = (void __iomem *)KIRKWOOD_REGS_VIRT_BASE + offs;
+	} else {
+		retval = __arm_ioremap(paddr, size, mtype);
+	}
+
+	return retval;
+}
+
+static inline void
+__arch_iounmap(void __iomem *addr)
+{
+	if (addr < (void __iomem *)KIRKWOOD_REGS_VIRT_BASE ||
+	    addr >= (void __iomem *)(KIRKWOOD_REGS_VIRT_BASE + KIRKWOOD_REGS_SIZE))
+		__iounmap(addr);
+}
+
+#define __arch_ioremap(p, s, m)	__arch_ioremap(p, s, m)
+#define __arch_iounmap(a)	__arch_iounmap(a)
 #define __io(a)			__io(a)
 #define __mem_pci(a)		(a)
 
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
index b3e13958821d..07af858814a0 100644
--- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h
+++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
@@ -20,16 +20,18 @@
  * f1000000	on-chip peripheral registers
  * f2000000	PCIe I/O space
  * f3000000	NAND controller address window
+ * f4000000	Security Accelerator SRAM
  *
  * virt		phys		size
  * fee00000	f1000000	1M	on-chip peripheral registers
  * fef00000	f2000000	1M	PCIe I/O space
  */
 
+#define KIRKWOOD_SRAM_PHYS_BASE		0xf4000000
+#define KIRKWOOD_SRAM_SIZE		SZ_2K
+
 #define KIRKWOOD_NAND_MEM_PHYS_BASE	0xf3000000
-#define KIRKWOOD_NAND_MEM_SIZE		SZ_64K /* 1K is sufficient, but 64K
-						* is the minimal window size
-						*/
+#define KIRKWOOD_NAND_MEM_SIZE		SZ_1K
 
 #define KIRKWOOD_PCIE_IO_PHYS_BASE	0xf2000000
 #define KIRKWOOD_PCIE_IO_VIRT_BASE	0xfef00000
@@ -48,6 +50,7 @@
  */
 #define DDR_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE | 0x00000)
 #define  DDR_WINDOW_CPU_BASE	(DDR_VIRT_BASE | 0x1500)
+#define DDR_OPERATION_BASE	(DDR_VIRT_BASE | 0x1418)
 
 #define DEV_BUS_PHYS_BASE	(KIRKWOOD_REGS_PHYS_BASE | 0x10000)
 #define DEV_BUS_VIRT_BASE	(KIRKWOOD_REGS_VIRT_BASE | 0x10000)
@@ -63,7 +66,11 @@
 
 #define BRIDGE_VIRT_BASE	(KIRKWOOD_REGS_VIRT_BASE | 0x20000)
 
+#define CRYPTO_PHYS_BASE	(KIRKWOOD_REGS_PHYS_BASE | 0x30000)
+
 #define PCIE_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE | 0x40000)
+#define PCIE_LINK_CTRL		(PCIE_VIRT_BASE | 0x70)
+#define PCIE_STATUS		(PCIE_VIRT_BASE | 0x1a04)
 
 #define USB_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE | 0x50000)
 
@@ -80,6 +87,11 @@
 #define GE01_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE | 0x74000)
 
 #define SATA_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE | 0x80000)
+#define SATA_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE | 0x80000)
+#define SATA0_IF_CTRL		(SATA_VIRT_BASE | 0x2050)
+#define SATA0_PHY_MODE_2	(SATA_VIRT_BASE | 0x2330)
+#define SATA1_IF_CTRL		(SATA_VIRT_BASE | 0x4050)
+#define SATA1_PHY_MODE_2	(SATA_VIRT_BASE | 0x4330)
 
 #define SDIO_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE | 0x90000)
 
diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c
index 63c44934391a..a5900f64e38c 100644
--- a/arch/arm/mach-kirkwood/mpp.c
+++ b/arch/arm/mach-kirkwood/mpp.c
@@ -48,6 +48,9 @@ void __init kirkwood_mpp_conf(unsigned int *mpp_list)
 	if (!variant_mask)
 		return;
 
+	/* Initialize gpiolib. */
+	orion_gpio_init();
+
 	printk(KERN_DEBUG "initial MPP regs:");
 	for (i = 0; i < MPP_NR_REGS; i++) {
 		mpp_ctrl[i] = readl(MPP_CTRL(i));
diff --git a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
new file mode 100644
index 000000000000..0358f45766cb
--- /dev/null
+++ b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
@@ -0,0 +1,173 @@
+/*
+ * arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
+ *
+ * Marvell 88F6281 GTW GE Board Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/timer.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ethtool.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/orion_spi.h>
+#include <net/dsa.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <mach/kirkwood.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct mv643xx_eth_platform_data mv88f6281gtw_ge_ge00_data = {
+	.phy_addr	= MV643XX_ETH_PHY_NONE,
+	.speed		= SPEED_1000,
+	.duplex		= DUPLEX_FULL,
+};
+
+static struct dsa_chip_data mv88f6281gtw_ge_switch_chip_data = {
+	.port_names[0]	= "lan1",
+	.port_names[1]	= "lan2",
+	.port_names[2]	= "lan3",
+	.port_names[3]	= "lan4",
+	.port_names[4]	= "wan",
+	.port_names[5]	= "cpu",
+};
+
+static struct dsa_platform_data mv88f6281gtw_ge_switch_plat_data = {
+	.nr_chips	= 1,
+	.chip		= &mv88f6281gtw_ge_switch_chip_data,
+};
+
+static const struct flash_platform_data mv88f6281gtw_ge_spi_slave_data = {
+	.type		= "mx25l12805d",
+};
+
+static struct spi_board_info __initdata mv88f6281gtw_ge_spi_slave_info[] = {
+	{
+		.modalias	= "m25p80",
+		.platform_data	= &mv88f6281gtw_ge_spi_slave_data,
+		.irq		= -1,
+		.max_speed_hz	= 50000000,
+		.bus_num	= 0,
+		.chip_select	= 0,
+	},
+};
+
+static struct gpio_keys_button mv88f6281gtw_ge_button_pins[] = {
+	{
+		.code		= KEY_RESTART,
+		.gpio		= 47,
+		.desc		= "SWR Button",
+		.active_low	= 1,
+	}, {
+		.code		= KEY_F1,
+		.gpio		= 46,
+		.desc		= "WPS Button(F1)",
+		.active_low	= 1,
+	},
+};
+
+static struct gpio_keys_platform_data mv88f6281gtw_ge_button_data = {
+	.buttons	= mv88f6281gtw_ge_button_pins,
+	.nbuttons	= ARRAY_SIZE(mv88f6281gtw_ge_button_pins),
+};
+
+static struct platform_device mv88f6281gtw_ge_buttons = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.num_resources	= 0,
+	.dev		= {
+		.platform_data	= &mv88f6281gtw_ge_button_data,
+	},
+};
+
+static struct gpio_led mv88f6281gtw_ge_led_pins[] = {
+	{
+		.name		= "gtw:green:Status",
+		.gpio		= 20,
+		.active_low	= 0,
+	}, {
+		.name		= "gtw:red:Status",
+		.gpio		= 21,
+		.active_low	= 0,
+	}, {
+		.name		= "gtw:green:USB",
+		.gpio		= 12,
+		.active_low	= 0,
+	},
+};
+
+static struct gpio_led_platform_data mv88f6281gtw_ge_led_data = {
+	.leds		= mv88f6281gtw_ge_led_pins,
+	.num_leds	= ARRAY_SIZE(mv88f6281gtw_ge_led_pins),
+};
+
+static struct platform_device mv88f6281gtw_ge_leds = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &mv88f6281gtw_ge_led_data,
+	},
+};
+
+static unsigned int mv88f6281gtw_ge_mpp_config[] __initdata = {
+	MPP12_GPO,	/* Status#_USB pin  */
+	MPP20_GPIO,	/* Status#_GLED pin */
+	MPP21_GPIO,	/* Status#_RLED pin */
+	MPP46_GPIO,	/* WPS_Switch pin   */
+	MPP47_GPIO,	/* SW_Init pin      */
+	0
+};
+
+static void __init mv88f6281gtw_ge_init(void)
+{
+	/*
+	 * Basic setup. Needs to be called early.
+	 */
+	kirkwood_init();
+	kirkwood_mpp_conf(mv88f6281gtw_ge_mpp_config);
+
+	kirkwood_ehci_init();
+	kirkwood_ge00_init(&mv88f6281gtw_ge_ge00_data);
+	kirkwood_ge00_switch_init(&mv88f6281gtw_ge_switch_plat_data, NO_IRQ);
+	spi_register_board_info(mv88f6281gtw_ge_spi_slave_info,
+				ARRAY_SIZE(mv88f6281gtw_ge_spi_slave_info));
+	kirkwood_spi_init();
+	kirkwood_uart0_init();
+	platform_device_register(&mv88f6281gtw_ge_leds);
+	platform_device_register(&mv88f6281gtw_ge_buttons);
+}
+
+static int __init mv88f6281gtw_ge_pci_init(void)
+{
+	if (machine_is_mv88f6281gtw_ge())
+		kirkwood_pcie_init();
+
+	return 0;
+}
+subsys_initcall(mv88f6281gtw_ge_pci_init);
+
+MACHINE_START(MV88F6281GTW_GE, "Marvell 88F6281 GTW GE Board")
+	/* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
+	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
+	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.init_machine	= mv88f6281gtw_ge_init,
+	.map_io		= kirkwood_map_io,
+	.init_irq	= kirkwood_init_irq,
+	.timer		= &kirkwood_timer,
+MACHINE_END
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c
index 73fccacd1a73..d90b9aae308d 100644
--- a/arch/arm/mach-kirkwood/pcie.c
+++ b/arch/arm/mach-kirkwood/pcie.c
@@ -14,6 +14,7 @@
 #include <asm/irq.h>
 #include <asm/mach/pci.h>
 #include <plat/pcie.h>
+#include <mach/bridge-regs.h>
 #include "common.h"
 
 
@@ -95,6 +96,7 @@ static struct pci_ops pcie_ops = {
 static int kirkwood_pcie_setup(int nr, struct pci_sys_data *sys)
 {
 	struct resource *res;
+	extern unsigned int kirkwood_clk_ctrl;
 
 	/*
 	 * Generic PCIe unit setup.
@@ -133,6 +135,8 @@ static int kirkwood_pcie_setup(int nr, struct pci_sys_data *sys)
 	sys->resource[2] = NULL;
 	sys->io_offset = 0;
 
+	kirkwood_clk_ctrl |= CGC_PEX0;
+
 	return 1;
 }
 
diff --git a/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c
index 2f0e4ef3db0f..8bf4153d0840 100644
--- a/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c
+++ b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c
@@ -11,8 +11,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/mtd/nand.h>
-#include <linux/mtd/partitions.h>
 #include <linux/ata_platform.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/spi/flash.h>
diff --git a/arch/arm/mach-kirkwood/rd88f6281-setup.c b/arch/arm/mach-kirkwood/rd88f6281-setup.c
index 31e996d65fc4..31708ddbc83e 100644
--- a/arch/arm/mach-kirkwood/rd88f6281-setup.c
+++ b/arch/arm/mach-kirkwood/rd88f6281-setup.c
@@ -12,7 +12,6 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/irq.h>
-#include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 #include <linux/ata_platform.h>
 #include <linux/mv643xx_eth.h>
@@ -22,7 +21,6 @@
 #include <asm/mach/arch.h>
 #include <mach/kirkwood.h>
 #include <plat/mvsdio.h>
-#include <plat/orion_nand.h>
 #include "common.h"
 #include "mpp.h"
 
@@ -42,32 +40,6 @@ static struct mtd_partition rd88f6281_nand_parts[] = {
 	},
 };
 
-static struct resource rd88f6281_nand_resource = {
-	.flags		= IORESOURCE_MEM,
-	.start		= KIRKWOOD_NAND_MEM_PHYS_BASE,
-	.end		= KIRKWOOD_NAND_MEM_PHYS_BASE +
-			  KIRKWOOD_NAND_MEM_SIZE - 1,
-};
-
-static struct orion_nand_data rd88f6281_nand_data = {
-	.parts		= rd88f6281_nand_parts,
-	.nr_parts	= ARRAY_SIZE(rd88f6281_nand_parts),
-	.cle		= 0,
-	.ale		= 1,
-	.width		= 8,
-	.chip_delay	= 25,
-};
-
-static struct platform_device rd88f6281_nand_flash = {
-	.name		= "orion_nand",
-	.id		= -1,
-	.dev		= {
-		.platform_data	= &rd88f6281_nand_data,
-	},
-	.resource	= &rd88f6281_nand_resource,
-	.num_resources	= 1,
-};
-
 static struct mv643xx_eth_platform_data rd88f6281_ge00_data = {
 	.phy_addr	= MV643XX_ETH_PHY_NONE,
 	.speed		= SPEED_1000,
@@ -114,6 +86,7 @@ static void __init rd88f6281_init(void)
 	kirkwood_init();
 	kirkwood_mpp_conf(rd88f6281_mpp_config);
 
+	kirkwood_nand_init(ARRAY_AND_SIZE(rd88f6281_nand_parts), 25);
 	kirkwood_ehci_init();
 
 	kirkwood_ge00_init(&rd88f6281_ge00_data);
@@ -129,8 +102,6 @@ static void __init rd88f6281_init(void)
 	kirkwood_sata_init(&rd88f6281_sata_data);
 	kirkwood_sdio_init(&rd88f6281_mvsdio_data);
 	kirkwood_uart0_init();
-
-	platform_device_register(&rd88f6281_nand_flash);
 }
 
 static int __init rd88f6281_pci_init(void)
diff --git a/arch/arm/mach-kirkwood/sheevaplug-setup.c b/arch/arm/mach-kirkwood/sheevaplug-setup.c
index 831e4a56cae1..c7319eeac8bb 100644
--- a/arch/arm/mach-kirkwood/sheevaplug-setup.c
+++ b/arch/arm/mach-kirkwood/sheevaplug-setup.c
@@ -11,7 +11,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/gpio.h>
@@ -20,7 +19,6 @@
 #include <asm/mach/arch.h>
 #include <mach/kirkwood.h>
 #include <plat/mvsdio.h>
-#include <plat/orion_nand.h>
 #include "common.h"
 #include "mpp.h"
 
@@ -40,38 +38,12 @@ static struct mtd_partition sheevaplug_nand_parts[] = {
 	},
 };
 
-static struct resource sheevaplug_nand_resource = {
-	.flags		= IORESOURCE_MEM,
-	.start		= KIRKWOOD_NAND_MEM_PHYS_BASE,
-	.end		= KIRKWOOD_NAND_MEM_PHYS_BASE +
-			  KIRKWOOD_NAND_MEM_SIZE - 1,
-};
-
-static struct orion_nand_data sheevaplug_nand_data = {
-	.parts		= sheevaplug_nand_parts,
-	.nr_parts	= ARRAY_SIZE(sheevaplug_nand_parts),
-	.cle		= 0,
-	.ale		= 1,
-	.width		= 8,
-	.chip_delay	= 25,
-};
-
-static struct platform_device sheevaplug_nand_flash = {
-	.name		= "orion_nand",
-	.id		= -1,
-	.dev		= {
-		.platform_data	= &sheevaplug_nand_data,
-	},
-	.resource	= &sheevaplug_nand_resource,
-	.num_resources	= 1,
-};
-
 static struct mv643xx_eth_platform_data sheevaplug_ge00_data = {
 	.phy_addr	= MV643XX_ETH_PHY_ADDR(0),
 };
 
 static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
-	// unfortunately the CD signal has not been connected */
+	/* unfortunately the CD signal has not been connected */
 };
 
 static struct gpio_led sheevaplug_led_pins[] = {
@@ -111,6 +83,7 @@ static void __init sheevaplug_init(void)
 	kirkwood_mpp_conf(sheevaplug_mpp_config);
 
 	kirkwood_uart0_init();
+	kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);
 
 	if (gpio_request(29, "USB Power Enable") != 0 ||
 	    gpio_direction_output(29, 1) != 0)
@@ -120,7 +93,6 @@ static void __init sheevaplug_init(void)
 	kirkwood_ge00_init(&sheevaplug_ge00_data);
 	kirkwood_sdio_init(&sheevaplug_mvsdio_data);
 
-	platform_device_register(&sheevaplug_nand_flash);
 	platform_device_register(&sheevaplug_leds);
 }