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-rw-r--r--arch/arm/mach-pxa/Kconfig34
-rw-r--r--arch/arm/mach-pxa/Makefile47
-rw-r--r--arch/arm/mach-pxa/clock.c79
-rw-r--r--arch/arm/mach-pxa/clock.h43
-rw-r--r--arch/arm/mach-pxa/cm-x270-pci.c218
-rw-r--r--arch/arm/mach-pxa/cm-x270-pci.h13
-rw-r--r--arch/arm/mach-pxa/cm-x270.c645
-rw-r--r--arch/arm/mach-pxa/devices.h3
-rw-r--r--arch/arm/mach-pxa/generic.c184
-rw-r--r--arch/arm/mach-pxa/generic.h26
-rw-r--r--arch/arm/mach-pxa/irq.c80
-rw-r--r--arch/arm/mach-pxa/lubbock.c19
-rw-r--r--arch/arm/mach-pxa/mainstone.c19
-rw-r--r--arch/arm/mach-pxa/mfp.c235
-rw-r--r--arch/arm/mach-pxa/pxa25x.c90
-rw-r--r--arch/arm/mach-pxa/pxa27x.c127
-rw-r--r--arch/arm/mach-pxa/pxa300.c93
-rw-r--r--arch/arm/mach-pxa/pxa320.c88
-rw-r--r--arch/arm/mach-pxa/pxa3xx.c216
-rw-r--r--arch/arm/mach-pxa/time.c53
-rw-r--r--arch/arm/mach-pxa/zylonite.c184
-rw-r--r--arch/arm/mach-pxa/zylonite_pxa300.c188
-rw-r--r--arch/arm/mach-pxa/zylonite_pxa320.c173
23 files changed, 2656 insertions, 201 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 5ebec6d88b51..656d49661a29 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -1,6 +1,24 @@
if ARCH_PXA
-menu "Intel PXA2xx Implementations"
+menu "Intel PXA2xx/PXA3xx Implementations"
+
+if PXA3xx
+
+menu "Supported PXA3xx Processor Variants"
+
+config CPU_PXA300
+ bool "PXA300 (codename Monahans-L)"
+
+config CPU_PXA310
+ bool "PXA310 (codename Monahans-LV)"
+ select CPU_PXA300
+
+config CPU_PXA320
+ bool "PXA320 (codename Monahans-P)"
+
+endmenu
+
+endif
choice
prompt "Select target board"
@@ -41,6 +59,15 @@ config MACH_EM_X270
bool "CompuLab EM-x270 platform"
select PXA27x
+config MACH_ZYLONITE
+ bool "PXA3xx Development Platform"
+ select PXA3xx
+
+config MACH_ARMCORE
+ bool "CompuLab CM-X270 modules"
+ select PXA27x
+ select IWMMXT
+
endchoice
if PXA_SHARPSL
@@ -130,6 +157,11 @@ config PXA27x
help
Select code specific to PXA27x variants
+config PXA3xx
+ bool
+ help
+ Select code specific to PXA3xx variants
+
config PXA_SHARP_C7xx
bool
select PXA_SSP
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 7d6ab5c59ab9..4263527e5123 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -3,36 +3,51 @@
#
# Common support (must be linked before board specific support)
-obj-y += clock.o generic.o irq.o dma.o time.o
-obj-$(CONFIG_PXA25x) += pxa25x.o
-obj-$(CONFIG_PXA27x) += pxa27x.o
+obj-y += clock.o generic.o irq.o dma.o time.o
+obj-$(CONFIG_PXA25x) += pxa25x.o
+obj-$(CONFIG_PXA27x) += pxa27x.o
+obj-$(CONFIG_PXA3xx) += pxa3xx.o mfp.o
+obj-$(CONFIG_CPU_PXA300) += pxa300.o
+obj-$(CONFIG_CPU_PXA320) += pxa320.o
# Specific board support
-obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
+obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
-obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
-obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
+obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
+obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
obj-$(CONFIG_MACH_TRIZEPS4) += trizeps4.o
obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o corgi_pm.o
obj-$(CONFIG_PXA_SHARP_Cxx00) += spitz.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o spitz_pm.o
obj-$(CONFIG_MACH_AKITA) += akita-ioexp.o
obj-$(CONFIG_MACH_POODLE) += poodle.o corgi_ssp.o
-obj-$(CONFIG_MACH_TOSA) += tosa.o
-obj-$(CONFIG_MACH_EM_X270) += em-x270.o
+obj-$(CONFIG_MACH_TOSA) += tosa.o
+obj-$(CONFIG_MACH_EM_X270) += em-x270.o
+
+ifeq ($(CONFIG_MACH_ZYLONITE),y)
+ obj-y += zylonite.o
+ obj-$(CONFIG_CPU_PXA300) += zylonite_pxa300.o
+ obj-$(CONFIG_CPU_PXA320) += zylonite_pxa320.o
+endif
+
+obj-$(CONFIG_MACH_ARMCORE) += cm-x270.o
# Support for blinky lights
led-y := leds.o
-led-$(CONFIG_ARCH_LUBBOCK) += leds-lubbock.o
-led-$(CONFIG_MACH_MAINSTONE) += leds-mainstone.o
-led-$(CONFIG_ARCH_PXA_IDP) += leds-idp.o
-led-$(CONFIG_MACH_TRIZEPS4) += leds-trizeps4.o
+led-$(CONFIG_ARCH_LUBBOCK) += leds-lubbock.o
+led-$(CONFIG_MACH_MAINSTONE) += leds-mainstone.o
+led-$(CONFIG_ARCH_PXA_IDP) += leds-idp.o
+led-$(CONFIG_MACH_TRIZEPS4) += leds-trizeps4.o
-obj-$(CONFIG_LEDS) += $(led-y)
+obj-$(CONFIG_LEDS) += $(led-y)
# Misc features
-obj-$(CONFIG_PM) += pm.o sleep.o
-obj-$(CONFIG_PXA_SSP) += ssp.o
+obj-$(CONFIG_PM) += pm.o sleep.o
+obj-$(CONFIG_PXA_SSP) += ssp.o
ifeq ($(CONFIG_PXA27x),y)
-obj-$(CONFIG_PM) += standby.o
+obj-$(CONFIG_PM) += standby.o
+endif
+
+ifeq ($(CONFIG_PCI),y)
+obj-$(CONFIG_MACH_ARMCORE) += cm-x270-pci.o
endif
diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c
index 34a31caa6f9d..83ef5ecaf432 100644
--- a/arch/arm/mach-pxa/clock.c
+++ b/arch/arm/mach-pxa/clock.c
@@ -9,19 +9,15 @@
#include <linux/string.h>
#include <linux/clk.h>
#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
#include <asm/arch/pxa-regs.h>
#include <asm/hardware.h>
-struct clk {
- struct list_head node;
- unsigned long rate;
- struct module *owner;
- const char *name;
- unsigned int enabled;
- void (*enable)(void);
- void (*disable)(void);
-};
+#include "devices.h"
+#include "generic.h"
+#include "clock.h"
static LIST_HEAD(clocks);
static DEFINE_MUTEX(clocks_mutex);
@@ -33,7 +29,8 @@ struct clk *clk_get(struct device *dev, const char *id)
mutex_lock(&clocks_mutex);
list_for_each_entry(p, &clocks, node) {
- if (strcmp(id, p->name) == 0 && try_module_get(p->owner)) {
+ if (strcmp(id, p->name) == 0 &&
+ (p->dev == NULL || p->dev == dev)) {
clk = p;
break;
}
@@ -46,7 +43,6 @@ EXPORT_SYMBOL(clk_get);
void clk_put(struct clk *clk)
{
- module_put(clk->owner);
}
EXPORT_SYMBOL(clk_put);
@@ -56,8 +52,12 @@ int clk_enable(struct clk *clk)
spin_lock_irqsave(&clocks_lock, flags);
if (clk->enabled++ == 0)
- clk->enable();
+ clk->ops->enable(clk);
spin_unlock_irqrestore(&clocks_lock, flags);
+
+ if (clk->delay)
+ udelay(clk->delay);
+
return 0;
}
EXPORT_SYMBOL(clk_enable);
@@ -70,54 +70,75 @@ void clk_disable(struct clk *clk)
spin_lock_irqsave(&clocks_lock, flags);
if (--clk->enabled == 0)
- clk->disable();
+ clk->ops->disable(clk);
spin_unlock_irqrestore(&clocks_lock, flags);
}
EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
- return clk->rate;
+ unsigned long rate;
+
+ rate = clk->rate;
+ if (clk->ops->getrate)
+ rate = clk->ops->getrate(clk);
+
+ return rate;
}
EXPORT_SYMBOL(clk_get_rate);
-static void clk_gpio27_enable(void)
+static void clk_gpio27_enable(struct clk *clk)
{
pxa_gpio_mode(GPIO11_3_6MHz_MD);
}
-static void clk_gpio27_disable(void)
+static void clk_gpio27_disable(struct clk *clk)
{
}
-static struct clk clk_gpio27 = {
- .name = "GPIO27_CLK",
- .rate = 3686400,
+static const struct clkops clk_gpio27_ops = {
.enable = clk_gpio27_enable,
.disable = clk_gpio27_disable,
};
-int clk_register(struct clk *clk)
+
+void clk_cken_enable(struct clk *clk)
{
- mutex_lock(&clocks_mutex);
- list_add(&clk->node, &clocks);
- mutex_unlock(&clocks_mutex);
- return 0;
+ CKEN |= 1 << clk->cken;
}
-EXPORT_SYMBOL(clk_register);
-void clk_unregister(struct clk *clk)
+void clk_cken_disable(struct clk *clk)
{
+ CKEN &= ~(1 << clk->cken);
+}
+
+const struct clkops clk_cken_ops = {
+ .enable = clk_cken_enable,
+ .disable = clk_cken_disable,
+};
+
+static struct clk common_clks[] = {
+ {
+ .name = "GPIO27_CLK",
+ .ops = &clk_gpio27_ops,
+ .rate = 3686400,
+ },
+};
+
+void clks_register(struct clk *clks, size_t num)
+{
+ int i;
+
mutex_lock(&clocks_mutex);
- list_del(&clk->node);
+ for (i = 0; i < num; i++)
+ list_add(&clks[i].node, &clocks);
mutex_unlock(&clocks_mutex);
}
-EXPORT_SYMBOL(clk_unregister);
static int __init clk_init(void)
{
- clk_register(&clk_gpio27);
+ clks_register(common_clks, ARRAY_SIZE(common_clks));
return 0;
}
arch_initcall(clk_init);
diff --git a/arch/arm/mach-pxa/clock.h b/arch/arm/mach-pxa/clock.h
new file mode 100644
index 000000000000..bc6b77e1592e
--- /dev/null
+++ b/arch/arm/mach-pxa/clock.h
@@ -0,0 +1,43 @@
+struct clk;
+
+struct clkops {
+ void (*enable)(struct clk *);
+ void (*disable)(struct clk *);
+ unsigned long (*getrate)(struct clk *);
+};
+
+struct clk {
+ struct list_head node;
+ const char *name;
+ struct device *dev;
+ const struct clkops *ops;
+ unsigned long rate;
+ unsigned int cken;
+ unsigned int delay;
+ unsigned int enabled;
+};
+
+#define INIT_CKEN(_name, _cken, _rate, _delay, _dev) \
+ { \
+ .name = _name, \
+ .dev = _dev, \
+ .ops = &clk_cken_ops, \
+ .rate = _rate, \
+ .cken = CKEN_##_cken, \
+ .delay = _delay, \
+ }
+
+#define INIT_CK(_name, _cken, _ops, _dev) \
+ { \
+ .name = _name, \
+ .dev = _dev, \
+ .ops = _ops, \
+ .cken = CKEN_##_cken, \
+ }
+
+extern const struct clkops clk_cken_ops;
+
+void clk_cken_enable(struct clk *clk);
+void clk_cken_disable(struct clk *clk);
+
+void clks_register(struct clk *clks, size_t num);
diff --git a/arch/arm/mach-pxa/cm-x270-pci.c b/arch/arm/mach-pxa/cm-x270-pci.c
new file mode 100644
index 000000000000..878d3b9b8633
--- /dev/null
+++ b/arch/arm/mach-pxa/cm-x270-pci.c
@@ -0,0 +1,218 @@
+/*
+ * linux/arch/arm/mach-pxa/cm-x270-pci.c
+ *
+ * PCI bios-type initialisation for PCI machines
+ *
+ * Bits taken from various places.
+ *
+ * Copyright (C) 2007 Compulab, Ltd.
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * 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/pci.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+
+#include <asm/mach/pci.h>
+#include <asm/arch/cm-x270.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/mach-types.h>
+
+#include <asm/hardware/it8152.h>
+
+unsigned long it8152_base_address = CMX270_IT8152_VIRT;
+
+/*
+ * Only first 64MB of memory can be accessed via PCI.
+ * We use GFP_DMA to allocate safe buffers to do map/unmap.
+ * This is really ugly and we need a better way of specifying
+ * DMA-capable regions of memory.
+ */
+void __init cmx270_pci_adjust_zones(int node, unsigned long *zone_size,
+ unsigned long *zhole_size)
+{
+ unsigned int sz = SZ_64M >> PAGE_SHIFT;
+
+ printk(KERN_INFO "Adjusting zones for CM-x270\n");
+
+ /*
+ * Only adjust if > 64M on current system
+ */
+ if (node || (zone_size[0] <= sz))
+ return;
+
+ zone_size[1] = zone_size[0] - sz;
+ zone_size[0] = sz;
+ zhole_size[1] = zhole_size[0];
+ zhole_size[0] = 0;
+}
+
+static void cmx270_it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
+{
+ /* clear our parent irq */
+ GEDR(GPIO_IT8152_IRQ) = GPIO_bit(GPIO_IT8152_IRQ);
+
+ it8152_irq_demux(irq, desc);
+}
+
+void __cmx270_pci_init_irq(void)
+{
+ it8152_init_irq();
+ pxa_gpio_mode(IRQ_TO_GPIO(GPIO_IT8152_IRQ));
+ set_irq_type(IRQ_GPIO(GPIO_IT8152_IRQ), IRQT_RISING);
+
+ set_irq_chained_handler(IRQ_GPIO(GPIO_IT8152_IRQ),
+ cmx270_it8152_irq_demux);
+}
+
+#ifdef CONFIG_PM
+static unsigned long sleep_save_ite[10];
+
+void __cmx270_pci_suspend(void)
+{
+ /* save ITE state */
+ sleep_save_ite[0] = __raw_readl(IT8152_INTC_PDCNIMR);
+ sleep_save_ite[1] = __raw_readl(IT8152_INTC_LPCNIMR);
+ sleep_save_ite[2] = __raw_readl(IT8152_INTC_LPNIAR);
+
+ /* Clear ITE IRQ's */
+ __raw_writel((0), IT8152_INTC_PDCNIRR);
+ __raw_writel((0), IT8152_INTC_LPCNIRR);
+}
+
+void __cmx270_pci_resume(void)
+{
+ /* restore IT8152 state */
+ __raw_writel((sleep_save_ite[0]), IT8152_INTC_PDCNIMR);
+ __raw_writel((sleep_save_ite[1]), IT8152_INTC_LPCNIMR);
+ __raw_writel((sleep_save_ite[2]), IT8152_INTC_LPNIAR);
+}
+#else
+void cmx270_pci_suspend(void) {}
+void cmx270_pci_resume(void) {}
+#endif
+
+/* PCI IRQ mapping*/
+static int __init cmx270_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+
+ printk(KERN_DEBUG "===> %s: %s slot=%x, pin=%x\n", __FUNCTION__,
+ pci_name(dev), slot, pin);
+
+ irq = it8152_pci_map_irq(dev, slot, pin);
+ if (irq)
+ return irq;
+
+ /*
+ Here comes the ugly part. The routing is baseboard specific,
+ but defining a platform for each possible base of CM-x270 is
+ unrealistic. Here we keep mapping for ATXBase and SB-x270.
+ */
+ /* ATXBASE PCI slot */
+ if (slot == 7)
+ return IT8152_PCI_INTA;
+
+ /* ATXBase/SB-x270 CardBus */
+ if (slot == 8 || slot == 0)
+ return IT8152_PCI_INTB;
+
+ /* ATXBase Ethernet */
+ if (slot == 9)
+ return IT8152_PCI_INTA;
+
+ /* SB-x270 Ethernet */
+ if (slot == 16)
+ return IT8152_PCI_INTA;
+
+ /* PC104+ interrupt routing */
+ if ((slot == 17) || (slot == 19))
+ return IT8152_PCI_INTA;
+ if ((slot == 18) || (slot == 20))
+ return IT8152_PCI_INTB;
+
+ return(0);
+}
+
+static struct pci_bus * __init
+cmx270_pci_scan_bus(int nr, struct pci_sys_data *sys)
+{
+ printk(KERN_INFO "Initializing CM-X270 PCI subsystem\n");
+
+ __raw_writel(0x800, IT8152_PCI_CFG_ADDR);
+ if (__raw_readl(IT8152_PCI_CFG_DATA) == 0x81521283) {
+ printk(KERN_INFO "PCI Bridge found.\n");
+
+ /* set PCI I/O base at 0 */
+ writel(0x848, IT8152_PCI_CFG_ADDR);
+ writel(0, IT8152_PCI_CFG_DATA);
+
+ /* set PCI memory base at 0 */
+ writel(0x840, IT8152_PCI_CFG_ADDR);
+ writel(0, IT8152_PCI_CFG_DATA);
+
+ writel(0x20, IT8152_GPIO_GPDR);
+
+ /* CardBus Controller on ATXbase baseboard */
+ writel(0x4000, IT8152_PCI_CFG_ADDR);
+ if (readl(IT8152_PCI_CFG_DATA) == 0xAC51104C) {
+ printk(KERN_INFO "CardBus Bridge found.\n");
+
+ /* Configure socket 0 */
+ writel(0x408C, IT8152_PCI_CFG_ADDR);
+ writel(0x1022, IT8152_PCI_CFG_DATA);
+
+ writel(0x4080, IT8152_PCI_CFG_ADDR);
+ writel(0x3844d060, IT8152_PCI_CFG_DATA);
+
+ writel(0x4090, IT8152_PCI_CFG_ADDR);
+ writel(((readl(IT8152_PCI_CFG_DATA) & 0xffff) |
+ 0x60440000),
+ IT8152_PCI_CFG_DATA);
+
+ writel(0x4018, IT8152_PCI_CFG_ADDR);
+ writel(0xb0000000, IT8152_PCI_CFG_DATA);
+
+ /* Configure socket 1 */
+ writel(0x418C, IT8152_PCI_CFG_ADDR);
+ writel(0x1022, IT8152_PCI_CFG_DATA);
+
+ writel(0x4180, IT8152_PCI_CFG_ADDR);
+ writel(0x3844d060, IT8152_PCI_CFG_DATA);
+
+ writel(0x4190, IT8152_PCI_CFG_ADDR);
+ writel(((readl(IT8152_PCI_CFG_DATA) & 0xffff) |
+ 0x60440000),
+ IT8152_PCI_CFG_DATA);
+
+ writel(0x4118, IT8152_PCI_CFG_ADDR);
+ writel(0xb0000000, IT8152_PCI_CFG_DATA);
+ }
+ }
+ return it8152_pci_scan_bus(nr, sys);
+}
+
+static struct hw_pci cmx270_pci __initdata = {
+ .swizzle = pci_std_swizzle,
+ .map_irq = cmx270_pci_map_irq,
+ .nr_controllers = 1,
+ .setup = it8152_pci_setup,
+ .scan = cmx270_pci_scan_bus,
+};
+
+static int __init cmx270_init_pci(void)
+{
+ if (machine_is_armcore())
+ pci_common_init(&cmx270_pci);
+
+ return 0;
+}
+
+subsys_initcall(cmx270_init_pci);
diff --git a/arch/arm/mach-pxa/cm-x270-pci.h b/arch/arm/mach-pxa/cm-x270-pci.h
new file mode 100644
index 000000000000..ffe37b66f9a0
--- /dev/null
+++ b/arch/arm/mach-pxa/cm-x270-pci.h
@@ -0,0 +1,13 @@
+extern void __cmx270_pci_init_irq(void);
+extern void __cmx270_pci_suspend(void);
+extern void __cmx270_pci_resume(void);
+
+#ifdef CONFIG_PCI
+#define cmx270_pci_init_irq __cmx270_pci_init_irq
+#define cmx270_pci_suspend __cmx270_pci_suspend
+#define cmx270_pci_resume __cmx270_pci_resume
+#else
+#define cmx270_pci_init_irq() do {} while (0)
+#define cmx270_pci_suspend() do {} while (0)
+#define cmx270_pci_resume() do {} while (0)
+#endif
diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
new file mode 100644
index 000000000000..177664ccb2e2
--- /dev/null
+++ b/arch/arm/mach-pxa/cm-x270.c
@@ -0,0 +1,645 @@
+/*
+ * linux/arch/arm/mach-pxa/cm-x270.c
+ *
+ * Copyright (C) 2007 CompuLab, Ltd.
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * 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/types.h>
+#include <linux/pm.h>
+#include <linux/fb.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/sysdev.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+
+#include <linux/dm9000.h>
+#include <linux/rtc-v3020.h>
+#include <linux/serial_8250.h>
+
+#include <video/mbxfb.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/ohci.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/bitfield.h>
+#include <asm/arch/cm-x270.h>
+
+#include <asm/hardware/it8152.h>
+
+#include "generic.h"
+#include "cm-x270-pci.h"
+
+#define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22))
+#define DM9000_PHYS_BASE (PXA_CS1_PHYS + (6 << 22))
+
+static struct resource cmx270_dm9k_resource[] = {
+ [0] = {
+ .start = DM9000_PHYS_BASE,
+ .end = DM9000_PHYS_BASE + 4,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DM9000_PHYS_BASE + 8,
+ .end = DM9000_PHYS_BASE + 8 + 500,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = CMX270_ETHIRQ,
+ .end = CMX270_ETHIRQ,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+/* for the moment we limit ourselves to 32bit IO until some
+ * better IO routines can be written and tested
+ */
+static struct dm9000_plat_data cmx270_dm9k_platdata = {
+ .flags = DM9000_PLATF_32BITONLY,
+};
+
+/* Ethernet device */
+static struct platform_device cmx270_device_dm9k = {
+ .name = "dm9000",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(cmx270_dm9k_resource),
+ .resource = cmx270_dm9k_resource,
+ .dev = {
+ .platform_data = &cmx270_dm9k_platdata,
+ }
+};
+
+/* audio device */
+static struct platform_device cmx270_audio_device = {
+ .name = "pxa2xx-ac97",
+ .id = -1,
+};
+
+/* touchscreen controller */
+static struct platform_device cmx270_ts_device = {
+ .name = "ucb1400_ts",
+ .id = -1,
+};
+
+/* RTC */
+static struct resource cmx270_v3020_resource[] = {
+ [0] = {
+ .start = RTC_PHYS_BASE,
+ .end = RTC_PHYS_BASE + 4,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+struct v3020_platform_data cmx270_v3020_pdata = {
+ .leftshift = 16,
+};
+
+static struct platform_device cmx270_rtc_device = {
+ .name = "v3020",
+ .num_resources = ARRAY_SIZE(cmx270_v3020_resource),
+ .resource = cmx270_v3020_resource,
+ .id = -1,
+ .dev = {
+ .platform_data = &cmx270_v3020_pdata,
+ }
+};
+
+/*
+ * CM-X270 LEDs
+ */
+static struct platform_device cmx270_led_device = {
+ .name = "cm-x270-led",
+ .id = -1,
+};
+
+/* 2700G graphics */
+static u64 fb_dma_mask = ~(u64)0;
+
+static struct resource cmx270_2700G_resource[] = {
+ /* frame buffer memory including ODFB and External SDRAM */
+ [0] = {
+ .start = MARATHON_PHYS,
+ .end = MARATHON_PHYS + 0x02000000,
+ .flags = IORESOURCE_MEM,
+ },
+ /* Marathon registers */
+ [1] = {
+ .start = MARATHON_PHYS + 0x03fe0000,
+ .end = MARATHON_PHYS + 0x03ffffff,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static unsigned long save_lcd_regs[10];
+
+static int cmx270_marathon_probe(struct fb_info *fb)
+{
+ /* save PXA-270 pin settings before enabling 2700G */
+ save_lcd_regs[0] = GPDR1;
+ save_lcd_regs[1] = GPDR2;
+ save_lcd_regs[2] = GAFR1_U;
+ save_lcd_regs[3] = GAFR2_L;
+ save_lcd_regs[4] = GAFR2_U;
+
+ /* Disable PXA-270 on-chip controller driving pins */
+ GPDR1 &= ~(0xfc000000);
+ GPDR2 &= ~(0x00c03fff);
+ GAFR1_U &= ~(0xfff00000);
+ GAFR2_L &= ~(0x0fffffff);
+ GAFR2_U &= ~(0x0000f000);
+ return 0;
+}
+
+static int cmx270_marathon_remove(struct fb_info *fb)
+{
+ GPDR1 = save_lcd_regs[0];
+ GPDR2 = save_lcd_regs[1];
+ GAFR1_U = save_lcd_regs[2];
+ GAFR2_L = save_lcd_regs[3];
+ GAFR2_U = save_lcd_regs[4];
+ return 0;
+}
+
+static struct mbxfb_platform_data cmx270_2700G_data = {
+ .xres = {
+ .min = 240,
+ .max = 1200,
+ .defval = 640,
+ },
+ .yres = {
+ .min = 240,
+ .max = 1200,
+ .defval = 480,
+ },
+ .bpp = {
+ .min = 16,
+ .max = 32,
+ .defval = 16,
+ },
+ .memsize = 8*1024*1024,
+ .probe = cmx270_marathon_probe,
+ .remove = cmx270_marathon_remove,
+};
+
+static struct platform_device cmx270_2700G = {
+ .name = "mbx-fb",
+ .dev = {
+ .platform_data = &cmx270_2700G_data,
+ .dma_mask = &fb_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(cmx270_2700G_resource),
+ .resource = cmx270_2700G_resource,
+ .id = -1,
+};
+
+static u64 ata_dma_mask = ~(u64)0;
+
+static struct platform_device cmx270_ata = {
+ .name = "pata_cm_x270",
+ .id = -1,
+ .dev = {
+ .dma_mask = &ata_dma_mask,
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+/* platform devices */
+static struct platform_device *platform_devices[] __initdata = {
+ &cmx270_device_dm9k,
+ &cmx270_audio_device,
+ &cmx270_rtc_device,
+ &cmx270_2700G,
+ &cmx270_led_device,
+ &cmx270_ts_device,
+ &cmx270_ata,
+};
+
+/* Map PCI companion and IDE/General Purpose CS statically */
+static struct map_desc cmx270_io_desc[] __initdata = {
+ [0] = { /* IDE/general purpose space */
+ .virtual = CMX270_IDE104_VIRT,
+ .pfn = __phys_to_pfn(CMX270_IDE104_PHYS),
+ .length = SZ_64M - SZ_8M,
+ .type = MT_DEVICE
+ },
+ [1] = { /* PCI bridge */
+ .virtual = CMX270_IT8152_VIRT,
+ .pfn = __phys_to_pfn(CMX270_IT8152_PHYS),
+ .length = SZ_64M,
+ .type = MT_DEVICE
+ },
+};
+
+/*
+ Display definitions
+ keep these for backwards compatibility, although symbolic names (as
+ e.g. in lpd270.c) looks better
+*/
+#define MTYPE_STN320x240 0
+#define MTYPE_TFT640x480 1
+#define MTYPE_CRT640x480 2
+#define MTYPE_CRT800x600 3
+#define MTYPE_TFT320x240 6
+#define MTYPE_STN640x480 7
+
+static struct pxafb_mode_info generic_stn_320x240_mode = {
+ .pixclock = 76923,
+ .bpp = 8,
+ .xres = 320,
+ .yres = 240,
+ .hsync_len = 3,
+ .vsync_len = 2,
+ .left_margin = 3,
+ .upper_margin = 0,
+ .right_margin = 3,
+ .lower_margin = 0,
+ .sync = (FB_SYNC_HOR_HIGH_ACT |
+ FB_SYNC_VERT_HIGH_ACT),
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_stn_320x240 = {
+ .modes = &generic_stn_320x240_mode,
+ .num_modes = 1,
+ .lccr0 = 0,
+ .lccr3 = (LCCR3_PixClkDiv(0x03) |
+ LCCR3_Acb(0xff) |
+ LCCR3_PCP),
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+};
+
+static struct pxafb_mode_info generic_tft_640x480_mode = {
+ .pixclock = 38461,
+ .bpp = 8,
+ .xres = 640,
+ .yres = 480,
+ .hsync_len = 60,
+ .vsync_len = 2,
+ .left_margin = 70,
+ .upper_margin = 10,
+ .right_margin = 70,
+ .lower_margin = 5,
+ .sync = 0,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_tft_640x480 = {
+ .modes = &generic_tft_640x480_mode,
+ .num_modes = 1,
+ .lccr0 = (LCCR0_PAS),
+ .lccr3 = (LCCR3_PixClkDiv(0x01) |
+ LCCR3_Acb(0xff) |
+ LCCR3_PCP),
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+};
+
+static struct pxafb_mode_info generic_crt_640x480_mode = {
+ .pixclock = 38461,
+ .bpp = 8,
+ .xres = 640,
+ .yres = 480,
+ .hsync_len = 63,
+ .vsync_len = 2,
+ .left_margin = 81,
+ .upper_margin = 33,
+ .right_margin = 16,
+ .lower_margin = 10,
+ .sync = (FB_SYNC_HOR_HIGH_ACT |
+ FB_SYNC_VERT_HIGH_ACT),
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_crt_640x480 = {
+ .modes = &generic_crt_640x480_mode,
+ .num_modes = 1,
+ .lccr0 = (LCCR0_PAS),
+ .lccr3 = (LCCR3_PixClkDiv(0x01) |
+ LCCR3_Acb(0xff)),
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+};
+
+static struct pxafb_mode_info generic_crt_800x600_mode = {
+ .pixclock = 28846,
+ .bpp = 8,
+ .xres = 800,
+ .yres = 600,
+ .hsync_len = 63,
+ .vsync_len = 2,
+ .left_margin = 26,
+ .upper_margin = 21,
+ .right_margin = 26,
+ .lower_margin = 11,
+ .sync = (FB_SYNC_HOR_HIGH_ACT |
+ FB_SYNC_VERT_HIGH_ACT),
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_crt_800x600 = {
+ .modes = &generic_crt_800x600_mode,
+ .num_modes = 1,
+ .lccr0 = (LCCR0_PAS),
+ .lccr3 = (LCCR3_PixClkDiv(0x02) |
+ LCCR3_Acb(0xff)),
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+};
+
+static struct pxafb_mode_info generic_tft_320x240_mode = {
+ .pixclock = 134615,
+ .bpp = 16,
+ .xres = 320,
+ .yres = 240,
+ .hsync_len = 63,
+ .vsync_len = 7,
+ .left_margin = 75,
+ .upper_margin = 0,
+ .right_margin = 15,
+ .lower_margin = 15,
+ .sync = 0,
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_tft_320x240 = {
+ .modes = &generic_tft_320x240_mode,
+ .num_modes = 1,
+ .lccr0 = (LCCR0_PAS),
+ .lccr3 = (LCCR3_PixClkDiv(0x06) |
+ LCCR3_Acb(0xff) |
+ LCCR3_PCP),
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+};
+
+static struct pxafb_mode_info generic_stn_640x480_mode = {
+ .pixclock = 57692,
+ .bpp = 8,
+ .xres = 640,
+ .yres = 480,
+ .hsync_len = 4,
+ .vsync_len = 2,
+ .left_margin = 10,
+ .upper_margin = 5,
+ .right_margin = 10,
+ .lower_margin = 5,
+ .sync = (FB_SYNC_HOR_HIGH_ACT |
+ FB_SYNC_VERT_HIGH_ACT),
+ .cmap_greyscale = 0,
+};
+
+static struct pxafb_mach_info generic_stn_640x480 = {
+ .modes = &generic_stn_640x480_mode,
+ .num_modes = 1,
+ .lccr0 = 0,
+ .lccr3 = (LCCR3_PixClkDiv(0x02) |
+ LCCR3_Acb(0xff)),
+ .cmap_inverse = 0,
+ .cmap_static = 0,
+};
+
+static struct pxafb_mach_info *cmx270_display = &generic_crt_640x480;
+
+static int __init cmx270_set_display(char *str)
+{
+ int disp_type = simple_strtol(str, NULL, 0);
+ switch (disp_type) {
+ case MTYPE_STN320x240:
+ cmx270_display = &generic_stn_320x240;
+ break;
+ case MTYPE_TFT640x480:
+ cmx270_display = &generic_tft_640x480;
+ break;
+ case MTYPE_CRT640x480:
+ cmx270_display = &generic_crt_640x480;
+ break;
+ case MTYPE_CRT800x600:
+ cmx270_display = &generic_crt_800x600;
+ break;
+ case MTYPE_TFT320x240:
+ cmx270_display = &generic_tft_320x240;
+ break;
+ case MTYPE_STN640x480:
+ cmx270_display = &generic_stn_640x480;
+ break;
+ default: /* fallback to CRT 640x480 */
+ cmx270_display = &generic_crt_640x480;
+ break;
+ }
+ return 1;
+}
+
+/*
+ This should be done really early to get proper configuration for
+ frame buffer.
+ Indeed, pxafb parameters can be used istead, but CM-X270 bootloader
+ has limitied line length for kernel command line, and also it will
+ break compatibitlty with proprietary releases already in field.
+*/
+__setup("monitor=", cmx270_set_display);
+
+/* PXA27x OHCI controller setup */
+static int cmx270_ohci_init(struct device *dev)
+{
+ /* Set the Power Control Polarity Low */
+ UHCHR = (UHCHR | UHCHR_PCPL) &
+ ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSE);
+
+ return 0;
+}
+
+static struct pxaohci_platform_data cmx270_ohci_platform_data = {
+ .port_mode = PMM_PERPORT_MODE,
+ .init = cmx270_ohci_init,
+};
+
+
+static int cmx270_mci_init(struct device *dev,
+ irq_handler_t cmx270_detect_int,
+ void *data)
+{
+ int err;
+
+ /*
+ * setup GPIO for PXA27x MMC controller
+ */
+ pxa_gpio_mode(GPIO32_MMCCLK_MD);
+ pxa_gpio_mode(GPIO112_MMCCMD_MD);
+ pxa_gpio_mode(GPIO92_MMCDAT0_MD);
+ pxa_gpio_mode(GPIO109_MMCDAT1_MD);
+ pxa_gpio_mode(GPIO110_MMCDAT2_MD);
+ pxa_gpio_mode(GPIO111_MMCDAT3_MD);
+
+ /* SB-X270 uses GPIO105 as SD power enable */
+ pxa_gpio_mode(105 | GPIO_OUT);
+
+ /* card detect IRQ on GPIO 83 */
+ pxa_gpio_mode(IRQ_TO_GPIO(CMX270_MMC_IRQ));
+ set_irq_type(CMX270_MMC_IRQ, IRQT_FALLING);
+
+ err = request_irq(CMX270_MMC_IRQ, cmx270_detect_int,
+ IRQF_DISABLED | IRQF_TRIGGER_FALLING,
+ "MMC card detect", data);
+ if (err) {
+ printk(KERN_ERR "cmx270_mci_init: MMC/SD: can't"
+ " request MMC card detect IRQ\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static void cmx270_mci_setpower(struct device *dev, unsigned int vdd)
+{
+ struct pxamci_platform_data *p_d = dev->platform_data;
+
+ if ((1 << vdd) & p_d->ocr_mask) {
+ printk(KERN_DEBUG "%s: on\n", __FUNCTION__);
+ GPCR(105) = GPIO_bit(105);
+ } else {
+ GPSR(105) = GPIO_bit(105);
+ printk(KERN_DEBUG "%s: off\n", __FUNCTION__);
+ }
+}
+
+static void cmx270_mci_exit(struct device *dev, void *data)
+{
+ free_irq(CMX270_MMC_IRQ, data);
+}
+
+static struct pxamci_platform_data cmx270_mci_platform_data = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .init = cmx270_mci_init,
+ .setpower = cmx270_mci_setpower,
+ .exit = cmx270_mci_exit,
+};
+
+#ifdef CONFIG_PM
+static unsigned long sleep_save_msc[10];
+
+static int cmx270_suspend(struct sys_device *dev, pm_message_t state)
+{
+ cmx270_pci_suspend();
+
+ /* save MSC registers */
+ sleep_save_msc[0] = MSC0;
+ sleep_save_msc[1] = MSC1;
+ sleep_save_msc[2] = MSC2;
+
+ /* setup power saving mode registers */
+ PCFR = 0x0;
+ PSLR = 0xff400000;
+ PMCR = 0x00000005;
+ PWER = 0x80000000;
+ PFER = 0x00000000;
+ PRER = 0x00000000;
+ PGSR0 = 0xC0018800;
+ PGSR1 = 0x004F0002;
+ PGSR2 = 0x6021C000;
+ PGSR3 = 0x00020000;
+
+ return 0;
+}
+
+static int cmx270_resume(struct sys_device *dev)
+{
+ cmx270_pci_resume();
+
+ /* restore MSC registers */
+ MSC0 = sleep_save_msc[0];
+ MSC1 = sleep_save_msc[1];
+ MSC2 = sleep_save_msc[2];
+
+ return 0;
+}
+
+static struct sysdev_class cmx270_pm_sysclass = {
+ set_kset_name("pm"),
+ .resume = cmx270_resume,
+ .suspend = cmx270_suspend,
+};
+
+static struct sys_device cmx270_pm_device = {
+ .cls = &cmx270_pm_sysclass,
+};
+
+static int __init cmx270_pm_init(void)
+{
+ int error;
+ error = sysdev_class_register(&cmx270_pm_sysclass);
+ if (error == 0)
+ error = sysdev_register(&cmx270_pm_device);
+ return error;
+}
+#else
+static int __init cmx270_pm_init(void) { return 0; }
+#endif
+
+static void __init cmx270_init(void)
+{
+ cmx270_pm_init();
+
+ set_pxa_fb_info(cmx270_display);
+
+ /* register CM-X270 platform devices */
+ platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+
+ /* set MCI and OHCI platform parameters */
+ pxa_set_mci_info(&cmx270_mci_platform_data);
+ pxa_set_ohci_info(&cmx270_ohci_platform_data);
+
+ /* This enables the STUART */
+ pxa_gpio_mode(GPIO46_STRXD_MD);
+ pxa_gpio_mode(GPIO47_STTXD_MD);
+
+ /* This enables the BTUART */
+ pxa_gpio_mode(GPIO42_BTRXD_MD);
+ pxa_gpio_mode(GPIO43_BTTXD_MD);
+ pxa_gpio_mode(GPIO44_BTCTS_MD);
+ pxa_gpio_mode(GPIO45_BTRTS_MD);
+}
+
+static void __init cmx270_init_irq(void)
+{
+ pxa27x_init_irq();
+
+
+ cmx270_pci_init_irq();
+
+ /* Setup interrupt for dm9000 */
+ pxa_gpio_mode(IRQ_TO_GPIO(CMX270_ETHIRQ));
+ set_irq_type(CMX270_ETHIRQ, IRQT_RISING);
+
+ /* Setup interrupt for 2700G */
+ pxa_gpio_mode(IRQ_TO_GPIO(CMX270_GFXIRQ));
+ set_irq_type(CMX270_GFXIRQ, IRQT_FALLING);
+}
+
+static void __init cmx270_map_io(void)
+{
+ pxa_map_io();
+ iotable_init(cmx270_io_desc, ARRAY_SIZE(cmx270_io_desc));
+}
+
+
+MACHINE_START(ARMCORE, "Compulab CM-x270")
+ .boot_params = 0xa0000100,
+ .phys_io = 0x40000000,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .map_io = cmx270_map_io,
+ .init_irq = cmx270_init_irq,
+ .timer = &pxa_timer,
+ .init_machine = cmx270_init,
+MACHINE_END
diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h
index 636fdb1c049c..94c8d5cdd60a 100644
--- a/arch/arm/mach-pxa/devices.h
+++ b/arch/arm/mach-pxa/devices.h
@@ -9,3 +9,6 @@ extern struct platform_device pxa_device_i2c;
extern struct platform_device pxa_device_i2s;
extern struct platform_device pxa_device_ficp;
extern struct platform_device pxa_device_rtc;
+
+extern struct platform_device pxa27x_device_i2c_power;
+extern struct platform_device pxa27x_device_ohci;
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 5510f6fdce55..1c34946ee16e 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -25,10 +25,6 @@
#include <linux/pm.h>
#include <linux/string.h>
-#include <linux/sched.h>
-#include <asm/cnt32_to_63.h>
-#include <asm/div64.h>
-
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/system.h>
@@ -47,66 +43,39 @@
#include "generic.h"
/*
- * This is the PXA2xx sched_clock implementation. This has a resolution
- * of at least 308ns and a maximum value that depends on the value of
- * CLOCK_TICK_RATE.
- *
- * The return value is guaranteed to be monotonic in that range as
- * long as there is always less than 582 seconds between successive
- * calls to this function.
+ * Get the clock frequency as reflected by CCCR and the turbo flag.
+ * We assume these values have been applied via a fcs.
+ * If info is not 0 we also display the current settings.
*/
-unsigned long long sched_clock(void)
+unsigned int get_clk_frequency_khz(int info)
{
- unsigned long long v = cnt32_to_63(OSCR);
- /* Note: top bit ov v needs cleared unless multiplier is even. */
-
-#if CLOCK_TICK_RATE == 3686400
- /* 1E9 / 3686400 => 78125 / 288, max value = 32025597s (370 days). */
- /* The <<1 is used to get rid of tick.hi top bit */
- v *= 78125<<1;
- do_div(v, 288<<1);
-#elif CLOCK_TICK_RATE == 3250000
- /* 1E9 / 3250000 => 4000 / 13, max value = 709490156s (8211 days) */
- v *= 4000;
- do_div(v, 13);
-#elif CLOCK_TICK_RATE == 3249600
- /* 1E9 / 3249600 => 625000 / 2031, max value = 4541295s (52 days) */
- v *= 625000;
- do_div(v, 2031);
-#else
-#warning "consider fixing sched_clock for your value of CLOCK_TICK_RATE"
- /*
- * 96-bit math to perform tick * NSEC_PER_SEC / CLOCK_TICK_RATE for
- * any value of CLOCK_TICK_RATE. Max value is in the 80 thousand
- * years range and truncation to unsigned long long limits it to
- * sched_clock's max range of ~584 years. This is nice but with
- * higher computation cost.
- */
- {
- union {
- unsigned long long val;
- struct { unsigned long lo, hi; };
- } x;
- unsigned long long y;
-
- x.val = v;
- x.hi &= 0x7fffffff;
- y = (unsigned long long)x.lo * NSEC_PER_SEC;
- x.lo = y;
- y = (y >> 32) + (unsigned long long)x.hi * NSEC_PER_SEC;
- x.hi = do_div(y, CLOCK_TICK_RATE);
- do_div(x.val, CLOCK_TICK_RATE);
- x.hi += y;
- v = x.val;
- }
-#endif
+ if (cpu_is_pxa21x() || cpu_is_pxa25x())
+ return pxa25x_get_clk_frequency_khz(info);
+ else if (cpu_is_pxa27x())
+ return pxa27x_get_clk_frequency_khz(info);
+ else
+ return pxa3xx_get_clk_frequency_khz(info);
+}
+EXPORT_SYMBOL(get_clk_frequency_khz);
- return v;
+/*
+ * Return the current memory clock frequency in units of 10kHz
+ */
+unsigned int get_memclk_frequency_10khz(void)
+{
+ if (cpu_is_pxa21x() || cpu_is_pxa25x())
+ return pxa25x_get_memclk_frequency_10khz();
+ else if (cpu_is_pxa27x())
+ return pxa27x_get_memclk_frequency_10khz();
+ else
+ return pxa3xx_get_memclk_frequency_10khz();
}
+EXPORT_SYMBOL(get_memclk_frequency_10khz);
/*
* Handy function to set GPIO alternate functions
*/
+int pxa_last_gpio;
int pxa_gpio_mode(int gpio_mode)
{
@@ -115,7 +84,7 @@ int pxa_gpio_mode(int gpio_mode)
int fn = (gpio_mode & GPIO_MD_MASK_FN) >> 8;
int gafr;
- if (gpio > PXA_LAST_GPIO)
+ if (gpio > pxa_last_gpio)
return -EINVAL;
local_irq_save(flags);
@@ -136,6 +105,44 @@ int pxa_gpio_mode(int gpio_mode)
EXPORT_SYMBOL(pxa_gpio_mode);
+int gpio_direction_input(unsigned gpio)
+{
+ unsigned long flags;
+ u32 mask;
+
+ if (gpio > pxa_last_gpio)
+ return -EINVAL;
+
+ mask = GPIO_bit(gpio);
+ local_irq_save(flags);
+ GPDR(gpio) &= ~mask;
+ local_irq_restore(flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(gpio_direction_input);
+
+int gpio_direction_output(unsigned gpio, int value)
+{
+ unsigned long flags;
+ u32 mask;
+
+ if (gpio > pxa_last_gpio)
+ return -EINVAL;
+
+ mask = GPIO_bit(gpio);
+ local_irq_save(flags);
+ if (value)
+ GPSR(gpio) = mask;
+ else
+ GPCR(gpio) = mask;
+ GPDR(gpio) |= mask;
+ local_irq_restore(flags);
+
+ return 0;
+}
+EXPORT_SYMBOL(gpio_direction_output);
+
/*
* Return GPIO level
*/
@@ -159,7 +166,7 @@ EXPORT_SYMBOL(pxa_gpio_set_value);
/*
* Routine to safely enable or disable a clock in the CKEN
*/
-void pxa_set_cken(int clock, int enable)
+void __pxa_set_cken(int clock, int enable)
{
unsigned long flags;
local_irq_save(flags);
@@ -172,7 +179,7 @@ void pxa_set_cken(int clock, int enable)
local_irq_restore(flags);
}
-EXPORT_SYMBOL(pxa_set_cken);
+EXPORT_SYMBOL(__pxa_set_cken);
/*
* Intel PXA2xx internal register mapping.
@@ -329,21 +336,80 @@ void __init set_pxa_fb_parent(struct device *parent_dev)
pxa_device_fb.dev.parent = parent_dev;
}
+static struct resource pxa_resource_ffuart[] = {
+ {
+ .start = __PREG(FFUART),
+ .end = __PREG(FFUART) + 35,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_FFUART,
+ .end = IRQ_FFUART,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
struct platform_device pxa_device_ffuart= {
.name = "pxa2xx-uart",
.id = 0,
+ .resource = pxa_resource_ffuart,
+ .num_resources = ARRAY_SIZE(pxa_resource_ffuart),
};
+
+static struct resource pxa_resource_btuart[] = {
+ {
+ .start = __PREG(BTUART),
+ .end = __PREG(BTUART) + 35,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_BTUART,
+ .end = IRQ_BTUART,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
struct platform_device pxa_device_btuart = {
.name = "pxa2xx-uart",
.id = 1,
+ .resource = pxa_resource_btuart,
+ .num_resources = ARRAY_SIZE(pxa_resource_btuart),
};
+
+static struct resource pxa_resource_stuart[] = {
+ {
+ .start = __PREG(STUART),
+ .end = __PREG(STUART) + 35,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_STUART,
+ .end = IRQ_STUART,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
struct platform_device pxa_device_stuart = {
.name = "pxa2xx-uart",
.id = 2,
+ .resource = pxa_resource_stuart,
+ .num_resources = ARRAY_SIZE(pxa_resource_stuart),
};
+
+static struct resource pxa_resource_hwuart[] = {
+ {
+ .start = __PREG(HWUART),
+ .end = __PREG(HWUART) + 47,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_HWUART,
+ .end = IRQ_HWUART,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
struct platform_device pxa_device_hwuart = {
.name = "pxa2xx-uart",
.id = 3,
+ .resource = pxa_resource_hwuart,
+ .num_resources = ARRAY_SIZE(pxa_resource_hwuart),
};
static struct resource pxai2c_resources[] = {
diff --git a/arch/arm/mach-pxa/generic.h b/arch/arm/mach-pxa/generic.h
index 91ab2ad8b34b..b30f240a16c7 100644
--- a/arch/arm/mach-pxa/generic.h
+++ b/arch/arm/mach-pxa/generic.h
@@ -15,14 +15,40 @@ extern struct sys_timer pxa_timer;
extern void __init pxa_init_irq_low(void);
extern void __init pxa_init_irq_high(void);
extern void __init pxa_init_irq_gpio(int gpio_nr);
+extern void __init pxa_init_irq_set_wake(int (*set_wake)(unsigned int, unsigned int));
extern void __init pxa25x_init_irq(void);
extern void __init pxa27x_init_irq(void);
+extern void __init pxa3xx_init_irq(void);
extern void __init pxa_map_io(void);
extern unsigned int get_clk_frequency_khz(int info);
+extern int pxa_last_gpio;
#define SET_BANK(__nr,__start,__size) \
mi->bank[__nr].start = (__start), \
mi->bank[__nr].size = (__size), \
mi->bank[__nr].node = (((unsigned)(__start) - PHYS_OFFSET) >> 27)
+#ifdef CONFIG_PXA25x
+extern unsigned pxa25x_get_clk_frequency_khz(int);
+extern unsigned pxa25x_get_memclk_frequency_10khz(void);
+#else
+#define pxa25x_get_clk_frequency_khz(x) (0)
+#define pxa25x_get_memclk_frequency_10khz() (0)
+#endif
+
+#ifdef CONFIG_PXA27x
+extern unsigned pxa27x_get_clk_frequency_khz(int);
+extern unsigned pxa27x_get_memclk_frequency_10khz(void);
+#else
+#define pxa27x_get_clk_frequency_khz(x) (0)
+#define pxa27x_get_memclk_frequency_10khz() (0)
+#endif
+
+#ifdef CONFIG_PXA3xx
+extern unsigned pxa3xx_get_clk_frequency_khz(int);
+extern unsigned pxa3xx_get_memclk_frequency_10khz(void);
+#else
+#define pxa3xx_get_clk_frequency_khz(x) (0)
+#define pxa3xx_get_memclk_frequency_10khz() (0)
+#endif
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index ae2ae08032d7..07acb45b16ea 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -38,33 +38,11 @@ static void pxa_unmask_low_irq(unsigned int irq)
ICMR |= (1 << irq);
}
-static int pxa_set_wake(unsigned int irq, unsigned int on)
-{
- u32 mask;
-
- switch (irq) {
- case IRQ_RTCAlrm:
- mask = PWER_RTC;
- break;
-#ifdef CONFIG_PXA27x
- /* REVISIT can handle USBH1, USBH2, USB, MSL, USIM, ... */
-#endif
- default:
- return -EINVAL;
- }
- if (on)
- PWER |= mask;
- else
- PWER &= ~mask;
- return 0;
-}
-
static struct irq_chip pxa_internal_chip_low = {
.name = "SC",
.ack = pxa_mask_low_irq,
.mask = pxa_mask_low_irq,
.unmask = pxa_unmask_low_irq,
- .set_wake = pxa_set_wake,
};
void __init pxa_init_irq_low(void)
@@ -87,7 +65,7 @@ void __init pxa_init_irq_low(void)
}
}
-#ifdef CONFIG_PXA27x
+#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
/*
* This is for the second set of internal IRQs as found on the PXA27x.
@@ -125,26 +103,6 @@ void __init pxa_init_irq_high(void)
}
#endif
-/* Note that if an input/irq line ever gets changed to an output during
- * suspend, the relevant PWER, PRER, and PFER bits should be cleared.
- */
-#ifdef CONFIG_PXA27x
-
-/* PXA27x: Various gpios can issue wakeup events. This logic only
- * handles the simple cases, not the WEMUX2 and WEMUX3 options
- */
-#define PXA27x_GPIO_NOWAKE_MASK \
- ((1 << 8) | (1 << 7) | (1 << 6) | (1 << 5) | (1 << 2))
-#define WAKEMASK(gpio) \
- (((gpio) <= 15) \
- ? ((1 << (gpio)) & ~PXA27x_GPIO_NOWAKE_MASK) \
- : ((gpio == 35) ? (1 << 24) : 0))
-#else
-
-/* pxa 210, 250, 255, 26x: gpios 0..15 can issue wakeups */
-#define WAKEMASK(gpio) (((gpio) <= 15) ? (1 << (gpio)) : 0)
-#endif
-
/*
* PXA GPIO edge detection for IRQs:
* IRQs are generated on Falling-Edge, Rising-Edge, or both.
@@ -158,11 +116,9 @@ static long GPIO_IRQ_mask[4];
static int pxa_gpio_irq_type(unsigned int irq, unsigned int type)
{
int gpio, idx;
- u32 mask;
gpio = IRQ_TO_GPIO(irq);
idx = gpio >> 5;
- mask = WAKEMASK(gpio);
if (type == IRQT_PROBE) {
/* Don't mess with enabled GPIOs using preconfigured edges or
@@ -182,19 +138,15 @@ static int pxa_gpio_irq_type(unsigned int irq, unsigned int type)
if (type & __IRQT_RISEDGE) {
/* printk("rising "); */
__set_bit (gpio, GPIO_IRQ_rising_edge);
- PRER |= mask;
} else {
__clear_bit (gpio, GPIO_IRQ_rising_edge);
- PRER &= ~mask;
}
if (type & __IRQT_FALEDGE) {
/* printk("falling "); */
__set_bit (gpio, GPIO_IRQ_falling_edge);
- PFER |= mask;
} else {
__clear_bit (gpio, GPIO_IRQ_falling_edge);
- PFER &= ~mask;
}
/* printk("edges\n"); */
@@ -213,29 +165,12 @@ static void pxa_ack_low_gpio(unsigned int irq)
GEDR0 = (1 << (irq - IRQ_GPIO0));
}
-static int pxa_set_gpio_wake(unsigned int irq, unsigned int on)
-{
- int gpio = IRQ_TO_GPIO(irq);
- u32 mask = WAKEMASK(gpio);
-
- if (!mask)
- return -EINVAL;
-
- if (on)
- PWER |= mask;
- else
- PWER &= ~mask;
- return 0;
-}
-
-
static struct irq_chip pxa_low_gpio_chip = {
.name = "GPIO-l",
.ack = pxa_ack_low_gpio,
.mask = pxa_mask_low_irq,
.unmask = pxa_unmask_low_irq,
.set_type = pxa_gpio_irq_type,
- .set_wake = pxa_set_gpio_wake,
};
/*
@@ -342,13 +277,14 @@ static struct irq_chip pxa_muxed_gpio_chip = {
.mask = pxa_mask_muxed_gpio,
.unmask = pxa_unmask_muxed_gpio,
.set_type = pxa_gpio_irq_type,
- .set_wake = pxa_set_gpio_wake,
};
void __init pxa_init_irq_gpio(int gpio_nr)
{
int irq, i;
+ pxa_last_gpio = gpio_nr - 1;
+
/* clear all GPIO edge detects */
for (i = 0; i < gpio_nr; i += 32) {
GFER(i) = 0;
@@ -375,3 +311,13 @@ void __init pxa_init_irq_gpio(int gpio_nr)
set_irq_chip(IRQ_GPIO_2_x, &pxa_internal_chip_low);
set_irq_chained_handler(IRQ_GPIO_2_x, pxa_gpio_demux_handler);
}
+
+void __init pxa_init_irq_set_wake(int (*set_wake)(unsigned int, unsigned int))
+{
+ pxa_internal_chip_low.set_wake = set_wake;
+#ifdef CONFIG_PXA27x
+ pxa_internal_chip_high.set_wake = set_wake;
+#endif
+ pxa_low_gpio_chip.set_wake = set_wake;
+ pxa_muxed_gpio_chip.set_wake = set_wake;
+}
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index e70048fd00a5..011a1a72b61c 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -512,6 +512,25 @@ static void __init lubbock_map_io(void)
pxa_gpio_mode(GPIO44_BTCTS_MD);
pxa_gpio_mode(GPIO45_BTRTS_MD);
+ GPSR(GPIO48_nPOE) =
+ GPIO_bit(GPIO48_nPOE) |
+ GPIO_bit(GPIO49_nPWE) |
+ GPIO_bit(GPIO50_nPIOR) |
+ GPIO_bit(GPIO51_nPIOW) |
+ GPIO_bit(GPIO52_nPCE_1) |
+ GPIO_bit(GPIO53_nPCE_2);
+
+ pxa_gpio_mode(GPIO48_nPOE_MD);
+ pxa_gpio_mode(GPIO49_nPWE_MD);
+ pxa_gpio_mode(GPIO50_nPIOR_MD);
+ pxa_gpio_mode(GPIO51_nPIOW_MD);
+ pxa_gpio_mode(GPIO52_nPCE_1_MD);
+ pxa_gpio_mode(GPIO53_nPCE_2_MD);
+ pxa_gpio_mode(GPIO54_pSKTSEL_MD);
+ pxa_gpio_mode(GPIO55_nPREG_MD);
+ pxa_gpio_mode(GPIO56_nPWAIT_MD);
+ pxa_gpio_mode(GPIO57_nIOIS16_MD);
+
/* This is for the SMC chip select */
pxa_gpio_mode(GPIO79_nCS_3_MD);
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index b02c79c7e6a3..a4bc3483cbb3 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -444,6 +444,25 @@ static void __init mainstone_init(void)
*/
pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD);
+ GPSR(GPIO48_nPOE) =
+ GPIO_bit(GPIO48_nPOE) |
+ GPIO_bit(GPIO49_nPWE) |
+ GPIO_bit(GPIO50_nPIOR) |
+ GPIO_bit(GPIO51_nPIOW) |
+ GPIO_bit(GPIO85_nPCE_1) |
+ GPIO_bit(GPIO54_nPCE_2);
+
+ pxa_gpio_mode(GPIO48_nPOE_MD);
+ pxa_gpio_mode(GPIO49_nPWE_MD);
+ pxa_gpio_mode(GPIO50_nPIOR_MD);
+ pxa_gpio_mode(GPIO51_nPIOW_MD);
+ pxa_gpio_mode(GPIO85_nPCE_1_MD);
+ pxa_gpio_mode(GPIO54_nPCE_2_MD);
+ pxa_gpio_mode(GPIO79_pSKTSEL_MD);
+ pxa_gpio_mode(GPIO55_nPREG_MD);
+ pxa_gpio_mode(GPIO56_nPWAIT_MD);
+ pxa_gpio_mode(GPIO57_nIOIS16_MD);
+
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
/* reading Mainstone's "Virtual Configuration Register"
diff --git a/arch/arm/mach-pxa/mfp.c b/arch/arm/mach-pxa/mfp.c
new file mode 100644
index 000000000000..5cd3cadbbd10
--- /dev/null
+++ b/arch/arm/mach-pxa/mfp.c
@@ -0,0 +1,235 @@
+/*
+ * linux/arch/arm/mach-pxa/mfp.c
+ *
+ * PXA3xx Multi-Function Pin Support
+ *
+ * Copyright (C) 2007 Marvell Internation Ltd.
+ *
+ * 2007-08-21: eric miao <eric.y.miao@gmail.com>
+ * initial version
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/mfp.h>
+
+/* mfp_spin_lock is used to ensure that MFP register configuration
+ * (most likely a read-modify-write operation) is atomic, and that
+ * mfp_table[] is consistent
+ */
+static DEFINE_SPINLOCK(mfp_spin_lock);
+
+static void __iomem *mfpr_mmio_base = (void __iomem *)&__REG(MFPR_BASE);
+static struct pxa3xx_mfp_pin mfp_table[MFP_PIN_MAX];
+
+#define mfpr_readl(off) \
+ __raw_readl(mfpr_mmio_base + (off))
+
+#define mfpr_writel(off, val) \
+ __raw_writel(val, mfpr_mmio_base + (off))
+
+/*
+ * perform a read-back of any MFPR register to make sure the
+ * previous writings are finished
+ */
+#define mfpr_sync() (void)__raw_readl(mfpr_mmio_base + 0)
+
+static inline void __mfp_config(int pin, unsigned long val)
+{
+ unsigned long off = mfp_table[pin].mfpr_off;
+
+ mfp_table[pin].mfpr_val = val;
+ mfpr_writel(off, val);
+}
+
+void pxa3xx_mfp_config(mfp_cfg_t *mfp_cfgs, int num)
+{
+ int i, pin;
+ unsigned long val, flags;
+ mfp_cfg_t *mfp_cfg = mfp_cfgs;
+
+ spin_lock_irqsave(&mfp_spin_lock, flags);
+
+ for (i = 0; i < num; i++, mfp_cfg++) {
+ pin = MFP_CFG_PIN(*mfp_cfg);
+ val = MFP_CFG_VAL(*mfp_cfg);
+
+ BUG_ON(pin >= MFP_PIN_MAX);
+
+ __mfp_config(pin, val);
+ }
+
+ mfpr_sync();
+ spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+unsigned long pxa3xx_mfp_read(int mfp)
+{
+ unsigned long val, flags;
+
+ BUG_ON(mfp >= MFP_PIN_MAX);
+
+ spin_lock_irqsave(&mfp_spin_lock, flags);
+ val = mfpr_readl(mfp_table[mfp].mfpr_off);
+ spin_unlock_irqrestore(&mfp_spin_lock, flags);
+
+ return val;
+}
+
+void pxa3xx_mfp_write(int mfp, unsigned long val)
+{
+ unsigned long flags;
+
+ BUG_ON(mfp >= MFP_PIN_MAX);
+
+ spin_lock_irqsave(&mfp_spin_lock, flags);
+ mfpr_writel(mfp_table[mfp].mfpr_off, val);
+ mfpr_sync();
+ spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void pxa3xx_mfp_set_afds(int mfp, int af, int ds)
+{
+ uint32_t mfpr_off, mfpr_val;
+ unsigned long flags;
+
+ BUG_ON(mfp >= MFP_PIN_MAX);
+
+ spin_lock_irqsave(&mfp_spin_lock, flags);
+ mfpr_off = mfp_table[mfp].mfpr_off;
+
+ mfpr_val = mfpr_readl(mfpr_off);
+ mfpr_val &= ~(MFPR_AF_MASK | MFPR_DRV_MASK);
+ mfpr_val |= (((af & 0x7) << MFPR_ALT_OFFSET) |
+ ((ds & 0x7) << MFPR_DRV_OFFSET));
+
+ mfpr_writel(mfpr_off, mfpr_val);
+ mfpr_sync();
+
+ spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void pxa3xx_mfp_set_rdh(int mfp, int rdh)
+{
+ uint32_t mfpr_off, mfpr_val;
+ unsigned long flags;
+
+ BUG_ON(mfp >= MFP_PIN_MAX);
+
+ spin_lock_irqsave(&mfp_spin_lock, flags);
+
+ mfpr_off = mfp_table[mfp].mfpr_off;
+
+ mfpr_val = mfpr_readl(mfpr_off);
+ mfpr_val &= ~MFPR_RDH_MASK;
+
+ if (likely(rdh))
+ mfpr_val |= (1u << MFPR_SS_OFFSET);
+
+ mfpr_writel(mfpr_off, mfpr_val);
+ mfpr_sync();
+
+ spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void pxa3xx_mfp_set_lpm(int mfp, int lpm)
+{
+ uint32_t mfpr_off, mfpr_val;
+ unsigned long flags;
+
+ BUG_ON(mfp >= MFP_PIN_MAX);
+
+ spin_lock_irqsave(&mfp_spin_lock, flags);
+
+ mfpr_off = mfp_table[mfp].mfpr_off;
+ mfpr_val = mfpr_readl(mfpr_off);
+ mfpr_val &= ~MFPR_LPM_MASK;
+
+ if (lpm & 0x1) mfpr_val |= 1u << MFPR_SON_OFFSET;
+ if (lpm & 0x2) mfpr_val |= 1u << MFPR_SD_OFFSET;
+ if (lpm & 0x4) mfpr_val |= 1u << MFPR_PU_OFFSET;
+ if (lpm & 0x8) mfpr_val |= 1u << MFPR_PD_OFFSET;
+ if (lpm &0x10) mfpr_val |= 1u << MFPR_PS_OFFSET;
+
+ mfpr_writel(mfpr_off, mfpr_val);
+ mfpr_sync();
+
+ spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void pxa3xx_mfp_set_pull(int mfp, int pull)
+{
+ uint32_t mfpr_off, mfpr_val;
+ unsigned long flags;
+
+ BUG_ON(mfp >= MFP_PIN_MAX);
+
+ spin_lock_irqsave(&mfp_spin_lock, flags);
+
+ mfpr_off = mfp_table[mfp].mfpr_off;
+ mfpr_val = mfpr_readl(mfpr_off);
+ mfpr_val &= ~MFPR_PULL_MASK;
+ mfpr_val |= ((pull & 0x7u) << MFPR_PD_OFFSET);
+
+ mfpr_writel(mfpr_off, mfpr_val);
+ mfpr_sync();
+
+ spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void pxa3xx_mfp_set_edge(int mfp, int edge)
+{
+ uint32_t mfpr_off, mfpr_val;
+ unsigned long flags;
+
+ BUG_ON(mfp >= MFP_PIN_MAX);
+
+ spin_lock_irqsave(&mfp_spin_lock, flags);
+
+ mfpr_off = mfp_table[mfp].mfpr_off;
+ mfpr_val = mfpr_readl(mfpr_off);
+
+ mfpr_val &= ~MFPR_EDGE_MASK;
+ mfpr_val |= (edge & 0x3u) << MFPR_ERE_OFFSET;
+ mfpr_val |= (!edge & 0x1) << MFPR_EC_OFFSET;
+
+ mfpr_writel(mfpr_off, mfpr_val);
+ mfpr_sync();
+
+ spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void __init pxa3xx_mfp_init_addr(struct pxa3xx_mfp_addr_map *map)
+{
+ struct pxa3xx_mfp_addr_map *p;
+ unsigned long offset, flags;
+ int i;
+
+ spin_lock_irqsave(&mfp_spin_lock, flags);
+
+ for (p = map; p->start != MFP_PIN_INVALID; p++) {
+ offset = p->offset;
+ i = p->start;
+
+ do {
+ mfp_table[i].mfpr_off = offset;
+ mfp_table[i].mfpr_val = 0;
+ offset += 4; i++;
+ } while ((i <= p->end) && (p->end != -1));
+ }
+
+ spin_unlock_irqrestore(&mfp_spin_lock, flags);
+}
+
+void __init pxa3xx_init_mfp(void)
+{
+ memset(mfp_table, 0, sizeof(mfp_table));
+}
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 6dfcca72e90f..0d6a72504caa 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -30,6 +30,7 @@
#include "generic.h"
#include "devices.h"
+#include "clock.h"
/*
* Various clock factors driven by the CCCR register.
@@ -53,7 +54,7 @@ static unsigned char N2_clk_mult[8] = { 0, 0, 2, 3, 4, 0, 6, 0 };
* We assume these values have been applied via a fcs.
* If info is not 0 we also display the current settings.
*/
-unsigned int get_clk_frequency_khz(int info)
+unsigned int pxa25x_get_clk_frequency_khz(int info)
{
unsigned long cccr, turbo;
unsigned int l, L, m, M, n2, N;
@@ -86,27 +87,48 @@ unsigned int get_clk_frequency_khz(int info)
return (turbo & 1) ? (N/1000) : (M/1000);
}
-EXPORT_SYMBOL(get_clk_frequency_khz);
-
/*
* Return the current memory clock frequency in units of 10kHz
*/
-unsigned int get_memclk_frequency_10khz(void)
+unsigned int pxa25x_get_memclk_frequency_10khz(void)
{
return L_clk_mult[(CCCR >> 0) & 0x1f] * BASE_CLK / 10000;
}
-EXPORT_SYMBOL(get_memclk_frequency_10khz);
-
-/*
- * Return the current LCD clock frequency in units of 10kHz
- */
-unsigned int get_lcdclk_frequency_10khz(void)
+static unsigned long clk_pxa25x_lcd_getrate(struct clk *clk)
{
- return get_memclk_frequency_10khz();
+ return pxa25x_get_memclk_frequency_10khz() * 10000;
}
-EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
+static const struct clkops clk_pxa25x_lcd_ops = {
+ .enable = clk_cken_enable,
+ .disable = clk_cken_disable,
+ .getrate = clk_pxa25x_lcd_getrate,
+};
+
+/*
+ * 3.6864MHz -> OST, GPIO, SSP, PWM, PLLs (95.842MHz, 147.456MHz)
+ * 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz
+ * 147.456MHz -> UART 14.7456MHz, AC97 12.288MHz, I2S 5.672MHz (allegedly)
+ */
+static struct clk pxa25x_clks[] = {
+ INIT_CK("LCDCLK", LCD, &clk_pxa25x_lcd_ops, &pxa_device_fb.dev),
+ INIT_CKEN("UARTCLK", FFUART, 14745600, 1, &pxa_device_ffuart.dev),
+ INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
+ INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
+ INIT_CKEN("UARTCLK", STUART, 14745600, 1, NULL),
+ INIT_CKEN("UDCCLK", USB, 47923000, 5, &pxa_device_udc.dev),
+ INIT_CKEN("MMCCLK", MMC, 19169000, 0, &pxa_device_mci.dev),
+ INIT_CKEN("I2CCLK", I2C, 31949000, 0, &pxa_device_i2c.dev),
+ /*
+ INIT_CKEN("PWMCLK", PWM0, 3686400, 0, NULL),
+ INIT_CKEN("PWMCLK", PWM0, 3686400, 0, NULL),
+ INIT_CKEN("SSPCLK", SSP, 3686400, 0, NULL),
+ INIT_CKEN("I2SCLK", I2S, 14745600, 0, NULL),
+ INIT_CKEN("NSSPCLK", NSSP, 3686400, 0, NULL),
+ */
+ INIT_CKEN("FICPCLK", FICP, 47923000, 0, NULL),
+};
#ifdef CONFIG_PM
@@ -205,10 +227,52 @@ static void __init pxa25x_init_pm(void)
}
#endif
+/* PXA25x: supports wakeup from GPIO0..GPIO15 and RTC alarm
+ */
+
+static int pxa25x_set_wake(unsigned int irq, unsigned int on)
+{
+ int gpio = IRQ_TO_GPIO(irq);
+ uint32_t gpio_bit, mask = 0;
+
+ if (gpio >= 0 && gpio <= 15) {
+ gpio_bit = GPIO_bit(gpio);
+ mask = gpio_bit;
+ if (on) {
+ if (GRER(gpio) | gpio_bit)
+ PRER |= gpio_bit;
+ else
+ PRER &= ~gpio_bit;
+
+ if (GFER(gpio) | gpio_bit)
+ PFER |= gpio_bit;
+ else
+ PFER &= ~gpio_bit;
+ }
+ goto set_pwer;
+ }
+
+ if (irq == IRQ_RTCAlrm) {
+ mask = PWER_RTC;
+ goto set_pwer;
+ }
+
+ return -EINVAL;
+
+set_pwer:
+ if (on)
+ PWER |= mask;
+ else
+ PWER &=~mask;
+
+ return 0;
+}
+
void __init pxa25x_init_irq(void)
{
pxa_init_irq_low();
pxa_init_irq_gpio(85);
+ pxa_init_irq_set_wake(pxa25x_set_wake);
}
static struct platform_device *pxa25x_devices[] __initdata = {
@@ -229,6 +293,8 @@ static int __init pxa25x_init(void)
int ret = 0;
if (cpu_is_pxa21x() || cpu_is_pxa25x()) {
+ clks_register(pxa25x_clks, ARRAY_SIZE(pxa25x_clks));
+
if ((ret = pxa_init_dma(16)))
return ret;
#ifdef CONFIG_PM
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 203371ab19db..2d7fc39732e4 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -27,6 +27,7 @@
#include "generic.h"
#include "devices.h"
+#include "clock.h"
/* Crystal clock: 13MHz */
#define BASE_CLK 13000000
@@ -36,7 +37,7 @@
* We assume these values have been applied via a fcs.
* If info is not 0 we also display the current settings.
*/
-unsigned int get_clk_frequency_khz( int info)
+unsigned int pxa27x_get_clk_frequency_khz(int info)
{
unsigned long ccsr, clkcfg;
unsigned int l, L, m, M, n2, N, S;
@@ -79,7 +80,7 @@ unsigned int get_clk_frequency_khz( int info)
* Return the current mem clock frequency in units of 10kHz as
* reflected by CCCR[A], B, and L
*/
-unsigned int get_memclk_frequency_10khz(void)
+unsigned int pxa27x_get_memclk_frequency_10khz(void)
{
unsigned long ccsr, clkcfg;
unsigned int l, L, m, M;
@@ -104,7 +105,7 @@ unsigned int get_memclk_frequency_10khz(void)
/*
* Return the current LCD clock frequency in units of 10kHz as
*/
-unsigned int get_lcdclk_frequency_10khz(void)
+static unsigned int pxa27x_get_lcdclk_frequency_10khz(void)
{
unsigned long ccsr;
unsigned int l, L, k, K;
@@ -120,9 +121,47 @@ unsigned int get_lcdclk_frequency_10khz(void)
return (K / 10000);
}
-EXPORT_SYMBOL(get_clk_frequency_khz);
-EXPORT_SYMBOL(get_memclk_frequency_10khz);
-EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
+static unsigned long clk_pxa27x_lcd_getrate(struct clk *clk)
+{
+ return pxa27x_get_lcdclk_frequency_10khz() * 10000;
+}
+
+static const struct clkops clk_pxa27x_lcd_ops = {
+ .enable = clk_cken_enable,
+ .disable = clk_cken_disable,
+ .getrate = clk_pxa27x_lcd_getrate,
+};
+
+static struct clk pxa27x_clks[] = {
+ INIT_CK("LCDCLK", LCD, &clk_pxa27x_lcd_ops, &pxa_device_fb.dev),
+ INIT_CK("CAMCLK", CAMERA, &clk_pxa27x_lcd_ops, NULL),
+
+ INIT_CKEN("UARTCLK", FFUART, 14857000, 1, &pxa_device_ffuart.dev),
+ INIT_CKEN("UARTCLK", BTUART, 14857000, 1, &pxa_device_btuart.dev),
+ INIT_CKEN("UARTCLK", STUART, 14857000, 1, NULL),
+
+ INIT_CKEN("I2SCLK", I2S, 14682000, 0, &pxa_device_i2s.dev),
+ INIT_CKEN("I2CCLK", I2C, 32842000, 0, &pxa_device_i2c.dev),
+ INIT_CKEN("UDCCLK", USB, 48000000, 5, &pxa_device_udc.dev),
+ INIT_CKEN("MMCCLK", MMC, 19500000, 0, &pxa_device_mci.dev),
+ INIT_CKEN("FICPCLK", FICP, 48000000, 0, &pxa_device_ficp.dev),
+
+ INIT_CKEN("USBCLK", USB, 48000000, 0, &pxa27x_device_ohci.dev),
+ INIT_CKEN("I2CCLK", PWRI2C, 13000000, 0, &pxa27x_device_i2c_power.dev),
+ INIT_CKEN("KBDCLK", KEYPAD, 32768, 0, NULL),
+
+ /*
+ INIT_CKEN("PWMCLK", PWM0, 13000000, 0, NULL),
+ INIT_CKEN("SSPCLK", SSP1, 13000000, 0, NULL),
+ INIT_CKEN("SSPCLK", SSP2, 13000000, 0, NULL),
+ INIT_CKEN("SSPCLK", SSP3, 13000000, 0, NULL),
+ INIT_CKEN("MSLCLK", MSL, 48000000, 0, NULL),
+ INIT_CKEN("USIMCLK", USIM, 48000000, 0, NULL),
+ INIT_CKEN("MSTKCLK", MEMSTK, 19500000, 0, NULL),
+ INIT_CKEN("IMCLK", IM, 0, 0, NULL),
+ INIT_CKEN("MEMCLK", MEMC, 0, 0, NULL),
+ */
+};
#ifdef CONFIG_PM
@@ -267,6 +306,69 @@ static void __init pxa27x_init_pm(void)
}
#endif
+/* PXA27x: Various gpios can issue wakeup events. This logic only
+ * handles the simple cases, not the WEMUX2 and WEMUX3 options
+ */
+#define PXA27x_GPIO_NOWAKE_MASK \
+ ((1 << 8) | (1 << 7) | (1 << 6) | (1 << 5) | (1 << 2))
+#define WAKEMASK(gpio) \
+ (((gpio) <= 15) \
+ ? ((1 << (gpio)) & ~PXA27x_GPIO_NOWAKE_MASK) \
+ : ((gpio == 35) ? (1 << 24) : 0))
+
+static int pxa27x_set_wake(unsigned int irq, unsigned int on)
+{
+ int gpio = IRQ_TO_GPIO(irq);
+ uint32_t mask;
+
+ if ((gpio >= 0 && gpio <= 15) || (gpio == 35)) {
+ if (WAKEMASK(gpio) == 0)
+ return -EINVAL;
+
+ mask = WAKEMASK(gpio);
+
+ if (on) {
+ if (GRER(gpio) | GPIO_bit(gpio))
+ PRER |= mask;
+ else
+ PRER &= ~mask;
+
+ if (GFER(gpio) | GPIO_bit(gpio))
+ PFER |= mask;
+ else
+ PFER &= ~mask;
+ }
+ goto set_pwer;
+ }
+
+ switch (irq) {
+ case IRQ_RTCAlrm:
+ mask = PWER_RTC;
+ break;
+ case IRQ_USB:
+ mask = 1u << 26;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+set_pwer:
+ if (on)
+ PWER |= mask;
+ else
+ PWER &=~mask;
+
+ return 0;
+}
+
+void __init pxa27x_init_irq(void)
+{
+ pxa_init_irq_low();
+ pxa_init_irq_high();
+ pxa_init_irq_gpio(128);
+ pxa_init_irq_set_wake(pxa27x_set_wake);
+}
+
/*
* device registration specific to PXA27x.
*/
@@ -286,7 +388,7 @@ static struct resource pxa27x_ohci_resources[] = {
},
};
-static struct platform_device pxa27x_device_ohci = {
+struct platform_device pxa27x_device_ohci = {
.name = "pxa27x-ohci",
.id = -1,
.dev = {
@@ -314,7 +416,7 @@ static struct resource i2c_power_resources[] = {
},
};
-static struct platform_device pxa27x_device_i2c_power = {
+struct platform_device pxa27x_device_i2c_power = {
.name = "pxa2xx-i2c",
.id = 1,
.resource = i2c_power_resources,
@@ -336,17 +438,12 @@ static struct platform_device *devices[] __initdata = {
&pxa27x_device_ohci,
};
-void __init pxa27x_init_irq(void)
-{
- pxa_init_irq_low();
- pxa_init_irq_high();
- pxa_init_irq_gpio(128);
-}
-
static int __init pxa27x_init(void)
{
int ret = 0;
if (cpu_is_pxa27x()) {
+ clks_register(pxa27x_clks, ARRAY_SIZE(pxa27x_clks));
+
if ((ret = pxa_init_dma(32)))
return ret;
#ifdef CONFIG_PM
diff --git a/arch/arm/mach-pxa/pxa300.c b/arch/arm/mach-pxa/pxa300.c
new file mode 100644
index 000000000000..5363b1322652
--- /dev/null
+++ b/arch/arm/mach-pxa/pxa300.c
@@ -0,0 +1,93 @@
+/*
+ * linux/arch/arm/mach-pxa/pxa300.c
+ *
+ * Code specific to PXA300/PXA310
+ *
+ * Copyright (C) 2007 Marvell Internation Ltd.
+ *
+ * 2007-08-21: eric miao <eric.y.miao@gmail.com>
+ * initial version
+ *
+ * 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/kernel.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/mfp-pxa300.h>
+
+static struct pxa3xx_mfp_addr_map pxa300_mfp_addr_map[] __initdata = {
+
+ MFP_ADDR_X(GPIO0, GPIO2, 0x00b4),
+ MFP_ADDR_X(GPIO3, GPIO26, 0x027c),
+ MFP_ADDR_X(GPIO27, GPIO127, 0x0400),
+ MFP_ADDR_X(GPIO0_2, GPIO6_2, 0x02ec),
+
+ MFP_ADDR(nBE0, 0x0204),
+ MFP_ADDR(nBE1, 0x0208),
+
+ MFP_ADDR(nLUA, 0x0244),
+ MFP_ADDR(nLLA, 0x0254),
+
+ MFP_ADDR(DF_CLE_nOE, 0x0240),
+ MFP_ADDR(DF_nRE_nOE, 0x0200),
+ MFP_ADDR(DF_ALE_nWE, 0x020C),
+ MFP_ADDR(DF_INT_RnB, 0x00C8),
+ MFP_ADDR(DF_nCS0, 0x0248),
+ MFP_ADDR(DF_nCS1, 0x0278),
+ MFP_ADDR(DF_nWE, 0x00CC),
+
+ MFP_ADDR(DF_ADDR0, 0x0210),
+ MFP_ADDR(DF_ADDR1, 0x0214),
+ MFP_ADDR(DF_ADDR2, 0x0218),
+ MFP_ADDR(DF_ADDR3, 0x021C),
+
+ MFP_ADDR(DF_IO0, 0x0220),
+ MFP_ADDR(DF_IO1, 0x0228),
+ MFP_ADDR(DF_IO2, 0x0230),
+ MFP_ADDR(DF_IO3, 0x0238),
+ MFP_ADDR(DF_IO4, 0x0258),
+ MFP_ADDR(DF_IO5, 0x0260),
+ MFP_ADDR(DF_IO6, 0x0268),
+ MFP_ADDR(DF_IO7, 0x0270),
+ MFP_ADDR(DF_IO8, 0x0224),
+ MFP_ADDR(DF_IO9, 0x022C),
+ MFP_ADDR(DF_IO10, 0x0234),
+ MFP_ADDR(DF_IO11, 0x023C),
+ MFP_ADDR(DF_IO12, 0x025C),
+ MFP_ADDR(DF_IO13, 0x0264),
+ MFP_ADDR(DF_IO14, 0x026C),
+ MFP_ADDR(DF_IO15, 0x0274),
+
+ MFP_ADDR_END,
+};
+
+/* override pxa300 MFP register addresses */
+static struct pxa3xx_mfp_addr_map pxa310_mfp_addr_map[] __initdata = {
+ MFP_ADDR_X(GPIO30, GPIO98, 0x0418),
+ MFP_ADDR_X(GPIO7_2, GPIO12_2, 0x052C),
+
+ MFP_ADDR(ULPI_STP, 0x040C),
+ MFP_ADDR(ULPI_NXT, 0x0410),
+ MFP_ADDR(ULPI_DIR, 0x0414),
+
+ MFP_ADDR_END,
+};
+
+static int __init pxa300_init(void)
+{
+ if (cpu_is_pxa300() || cpu_is_pxa310()) {
+ pxa3xx_init_mfp();
+ pxa3xx_mfp_init_addr(pxa300_mfp_addr_map);
+ }
+
+ if (cpu_is_pxa310())
+ pxa3xx_mfp_init_addr(pxa310_mfp_addr_map);
+
+ return 0;
+}
+
+core_initcall(pxa300_init);
diff --git a/arch/arm/mach-pxa/pxa320.c b/arch/arm/mach-pxa/pxa320.c
new file mode 100644
index 000000000000..cd9eba5b3df9
--- /dev/null
+++ b/arch/arm/mach-pxa/pxa320.c
@@ -0,0 +1,88 @@
+/*
+ * linux/arch/arm/mach-pxa/pxa320.c
+ *
+ * Code specific to PXA320
+ *
+ * Copyright (C) 2007 Marvell Internation Ltd.
+ *
+ * 2007-08-21: eric miao <eric.y.miao@gmail.com>
+ * initial version
+ *
+ * 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/kernel.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/mfp.h>
+#include <asm/arch/mfp-pxa320.h>
+
+static struct pxa3xx_mfp_addr_map pxa320_mfp_addr_map[] __initdata = {
+
+ MFP_ADDR_X(GPIO0, GPIO4, 0x0124),
+ MFP_ADDR_X(GPIO5, GPIO26, 0x028C),
+ MFP_ADDR_X(GPIO27, GPIO62, 0x0400),
+ MFP_ADDR_X(GPIO63, GPIO73, 0x04B4),
+ MFP_ADDR_X(GPIO74, GPIO98, 0x04F0),
+ MFP_ADDR_X(GPIO99, GPIO127, 0x0600),
+ MFP_ADDR_X(GPIO0_2, GPIO5_2, 0x0674),
+ MFP_ADDR_X(GPIO6_2, GPIO13_2, 0x0494),
+ MFP_ADDR_X(GPIO14_2, GPIO17_2, 0x04E0),
+
+ MFP_ADDR(nXCVREN, 0x0138),
+ MFP_ADDR(DF_CLE_nOE, 0x0204),
+ MFP_ADDR(DF_nADV1_ALE, 0x0208),
+ MFP_ADDR(DF_SCLK_S, 0x020C),
+ MFP_ADDR(DF_SCLK_E, 0x0210),
+ MFP_ADDR(nBE0, 0x0214),
+ MFP_ADDR(nBE1, 0x0218),
+ MFP_ADDR(DF_nADV2_ALE, 0x021C),
+ MFP_ADDR(DF_INT_RnB, 0x0220),
+ MFP_ADDR(DF_nCS0, 0x0224),
+ MFP_ADDR(DF_nCS1, 0x0228),
+ MFP_ADDR(DF_nWE, 0x022C),
+ MFP_ADDR(DF_nRE_nOE, 0x0230),
+ MFP_ADDR(nLUA, 0x0234),
+ MFP_ADDR(nLLA, 0x0238),
+ MFP_ADDR(DF_ADDR0, 0x023C),
+ MFP_ADDR(DF_ADDR1, 0x0240),
+ MFP_ADDR(DF_ADDR2, 0x0244),
+ MFP_ADDR(DF_ADDR3, 0x0248),
+ MFP_ADDR(DF_IO0, 0x024C),
+ MFP_ADDR(DF_IO8, 0x0250),
+ MFP_ADDR(DF_IO1, 0x0254),
+ MFP_ADDR(DF_IO9, 0x0258),
+ MFP_ADDR(DF_IO2, 0x025C),
+ MFP_ADDR(DF_IO10, 0x0260),
+ MFP_ADDR(DF_IO3, 0x0264),
+ MFP_ADDR(DF_IO11, 0x0268),
+ MFP_ADDR(DF_IO4, 0x026C),
+ MFP_ADDR(DF_IO12, 0x0270),
+ MFP_ADDR(DF_IO5, 0x0274),
+ MFP_ADDR(DF_IO13, 0x0278),
+ MFP_ADDR(DF_IO6, 0x027C),
+ MFP_ADDR(DF_IO14, 0x0280),
+ MFP_ADDR(DF_IO7, 0x0284),
+ MFP_ADDR(DF_IO15, 0x0288),
+
+ MFP_ADDR_END,
+};
+
+static void __init pxa320_init_mfp(void)
+{
+ pxa3xx_init_mfp();
+ pxa3xx_mfp_init_addr(pxa320_mfp_addr_map);
+}
+
+static int __init pxa320_init(void)
+{
+ if (cpu_is_pxa320())
+ pxa320_init_mfp();
+
+ return 0;
+}
+
+core_initcall(pxa320_init);
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
new file mode 100644
index 000000000000..39f0de8c189e
--- /dev/null
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -0,0 +1,216 @@
+/*
+ * linux/arch/arm/mach-pxa/pxa3xx.c
+ *
+ * code specific to pxa3xx aka Monahans
+ *
+ * Copyright (C) 2006 Marvell International Ltd.
+ *
+ * 2007-09-02: eric miao <eric.y.miao@gmail.com>
+ * initial version
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/pm.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/pxa3xx-regs.h>
+#include <asm/arch/ohci.h>
+#include <asm/arch/pm.h>
+#include <asm/arch/dma.h>
+#include <asm/arch/ssp.h>
+
+#include "generic.h"
+#include "devices.h"
+#include "clock.h"
+
+/* Crystal clock: 13MHz */
+#define BASE_CLK 13000000
+
+/* Ring Oscillator Clock: 60MHz */
+#define RO_CLK 60000000
+
+#define ACCR_D0CS (1 << 26)
+
+/* crystal frequency to static memory controller multiplier (SMCFS) */
+static unsigned char smcfs_mult[8] = { 6, 0, 8, 0, 0, 16, };
+
+/* crystal frequency to HSIO bus frequency multiplier (HSS) */
+static unsigned char hss_mult[4] = { 8, 12, 16, 0 };
+
+/*
+ * Get the clock frequency as reflected by CCSR and the turbo flag.
+ * We assume these values have been applied via a fcs.
+ * If info is not 0 we also display the current settings.
+ */
+unsigned int pxa3xx_get_clk_frequency_khz(int info)
+{
+ unsigned long acsr, xclkcfg;
+ unsigned int t, xl, xn, hss, ro, XL, XN, CLK, HSS;
+
+ /* Read XCLKCFG register turbo bit */
+ __asm__ __volatile__("mrc\tp14, 0, %0, c6, c0, 0" : "=r"(xclkcfg));
+ t = xclkcfg & 0x1;
+
+ acsr = ACSR;
+
+ xl = acsr & 0x1f;
+ xn = (acsr >> 8) & 0x7;
+ hss = (acsr >> 14) & 0x3;
+
+ XL = xl * BASE_CLK;
+ XN = xn * XL;
+
+ ro = acsr & ACCR_D0CS;
+
+ CLK = (ro) ? RO_CLK : ((t) ? XN : XL);
+ HSS = (ro) ? RO_CLK : hss_mult[hss] * BASE_CLK;
+
+ if (info) {
+ pr_info("RO Mode clock: %d.%02dMHz (%sactive)\n",
+ RO_CLK / 1000000, (RO_CLK % 1000000) / 10000,
+ (ro) ? "" : "in");
+ pr_info("Run Mode clock: %d.%02dMHz (*%d)\n",
+ XL / 1000000, (XL % 1000000) / 10000, xl);
+ pr_info("Turbo Mode clock: %d.%02dMHz (*%d, %sactive)\n",
+ XN / 1000000, (XN % 1000000) / 10000, xn,
+ (t) ? "" : "in");
+ pr_info("HSIO bus clock: %d.%02dMHz\n",
+ HSS / 1000000, (HSS % 1000000) / 10000);
+ }
+
+ return CLK;
+}
+
+/*
+ * Return the current static memory controller clock frequency
+ * in units of 10kHz
+ */
+unsigned int pxa3xx_get_memclk_frequency_10khz(void)
+{
+ unsigned long acsr;
+ unsigned int smcfs, clk = 0;
+
+ acsr = ACSR;
+
+ smcfs = (acsr >> 23) & 0x7;
+ clk = (acsr & ACCR_D0CS) ? RO_CLK : smcfs_mult[smcfs] * BASE_CLK;
+
+ return (clk / 10000);
+}
+
+/*
+ * Return the current HSIO bus clock frequency
+ */
+static unsigned long clk_pxa3xx_hsio_getrate(struct clk *clk)
+{
+ unsigned long acsr;
+ unsigned int hss, hsio_clk;
+
+ acsr = ACSR;
+
+ hss = (acsr >> 14) & 0x3;
+ hsio_clk = (acsr & ACCR_D0CS) ? RO_CLK : hss_mult[hss] * BASE_CLK;
+
+ return hsio_clk;
+}
+
+static void clk_pxa3xx_cken_enable(struct clk *clk)
+{
+ unsigned long mask = 1ul << (clk->cken & 0x1f);
+
+ local_irq_disable();
+
+ if (clk->cken < 32)
+ CKENA |= mask;
+ else
+ CKENB |= mask;
+
+ local_irq_enable();
+}
+
+static void clk_pxa3xx_cken_disable(struct clk *clk)
+{
+ unsigned long mask = 1ul << (clk->cken & 0x1f);
+
+ local_irq_disable();
+
+ if (clk->cken < 32)
+ CKENA &= ~mask;
+ else
+ CKENB &= ~mask;
+
+ local_irq_enable();
+}
+
+static const struct clkops clk_pxa3xx_hsio_ops = {
+ .enable = clk_pxa3xx_cken_enable,
+ .disable = clk_pxa3xx_cken_disable,
+ .getrate = clk_pxa3xx_hsio_getrate,
+};
+
+static struct clk pxa3xx_clks[] = {
+ INIT_CK("LCDCLK", LCD, &clk_pxa3xx_hsio_ops, &pxa_device_fb.dev),
+ INIT_CK("CAMCLK", CAMERA, &clk_pxa3xx_hsio_ops, NULL),
+
+ INIT_CKEN("UARTCLK", FFUART, 14857000, 1, &pxa_device_ffuart.dev),
+ INIT_CKEN("UARTCLK", BTUART, 14857000, 1, &pxa_device_btuart.dev),
+ INIT_CKEN("UARTCLK", STUART, 14857000, 1, NULL),
+
+ INIT_CKEN("I2CCLK", I2C, 32842000, 0, &pxa_device_i2c.dev),
+ INIT_CKEN("UDCCLK", UDC, 48000000, 5, &pxa_device_udc.dev),
+};
+
+void __init pxa3xx_init_irq(void)
+{
+ /* enable CP6 access */
+ u32 value;
+ __asm__ __volatile__("mrc p15, 0, %0, c15, c1, 0\n": "=r"(value));
+ value |= (1 << 6);
+ __asm__ __volatile__("mcr p15, 0, %0, c15, c1, 0\n": :"r"(value));
+
+ pxa_init_irq_low();
+ pxa_init_irq_high();
+ pxa_init_irq_gpio(128);
+}
+
+/*
+ * device registration specific to PXA3xx.
+ */
+
+static struct platform_device *devices[] __initdata = {
+ &pxa_device_mci,
+ &pxa_device_udc,
+ &pxa_device_fb,
+ &pxa_device_ffuart,
+ &pxa_device_btuart,
+ &pxa_device_stuart,
+ &pxa_device_i2c,
+ &pxa_device_i2s,
+ &pxa_device_ficp,
+ &pxa_device_rtc,
+};
+
+static int __init pxa3xx_init(void)
+{
+ int ret = 0;
+
+ if (cpu_is_pxa3xx()) {
+ clks_register(pxa3xx_clks, ARRAY_SIZE(pxa3xx_clks));
+
+ if ((ret = pxa_init_dma(32)))
+ return ret;
+
+ return platform_add_devices(devices, ARRAY_SIZE(devices));
+ }
+ return 0;
+}
+
+subsys_initcall(pxa3xx_init);
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 98d27e646b09..ec4286c7931c 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -16,10 +16,48 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/clockchips.h>
+#include <linux/sched.h>
+#include <asm/div64.h>
+#include <asm/cnt32_to_63.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
#include <asm/arch/pxa-regs.h>
+#include <asm/mach-types.h>
+
+/*
+ * This is PXA's sched_clock implementation. This has a resolution
+ * of at least 308 ns and a maximum value of 208 days.
+ *
+ * The return value is guaranteed to be monotonic in that range as
+ * long as there is always less than 582 seconds between successive
+ * calls to sched_clock() which should always be the case in practice.
+ */
+
+#define OSCR2NS_SCALE_FACTOR 10
+
+static unsigned long oscr2ns_scale;
+
+static void __init set_oscr2ns_scale(unsigned long oscr_rate)
+{
+ unsigned long long v = 1000000000ULL << OSCR2NS_SCALE_FACTOR;
+ do_div(v, oscr_rate);
+ oscr2ns_scale = v;
+ /*
+ * We want an even value to automatically clear the top bit
+ * returned by cnt32_to_63() without an additional run time
+ * instruction. So if the LSB is 1 then round it up.
+ */
+ if (oscr2ns_scale & 1)
+ oscr2ns_scale++;
+}
+
+unsigned long long sched_clock(void)
+{
+ unsigned long long v = cnt32_to_63(OSCR);
+ return (v * oscr2ns_scale) >> OSCR2NS_SCALE_FACTOR;
+}
+
static irqreturn_t
pxa_ost0_interrupt(int irq, void *dev_id)
@@ -149,18 +187,29 @@ static struct irqaction pxa_ost0_irq = {
static void __init pxa_timer_init(void)
{
+ unsigned long clock_tick_rate;
+
OIER = 0;
OSSR = OSSR_M0 | OSSR_M1 | OSSR_M2 | OSSR_M3;
+ if (cpu_is_pxa21x() || cpu_is_pxa25x())
+ clock_tick_rate = 3686400;
+ else if (machine_is_mainstone())
+ clock_tick_rate = 3249600;
+ else
+ clock_tick_rate = 3250000;
+
+ set_oscr2ns_scale(clock_tick_rate);
+
ckevt_pxa_osmr0.mult =
- div_sc(CLOCK_TICK_RATE, NSEC_PER_SEC, ckevt_pxa_osmr0.shift);
+ div_sc(clock_tick_rate, NSEC_PER_SEC, ckevt_pxa_osmr0.shift);
ckevt_pxa_osmr0.max_delta_ns =
clockevent_delta2ns(0x7fffffff, &ckevt_pxa_osmr0);
ckevt_pxa_osmr0.min_delta_ns =
clockevent_delta2ns(MIN_OSCR_DELTA, &ckevt_pxa_osmr0) + 1;
cksrc_pxa_oscr0.mult =
- clocksource_hz2mult(CLOCK_TICK_RATE, cksrc_pxa_oscr0.shift);
+ clocksource_hz2mult(clock_tick_rate, cksrc_pxa_oscr0.shift);
setup_irq(IRQ_OST0, &pxa_ost0_irq);
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
new file mode 100644
index 000000000000..3f18d760dd1b
--- /dev/null
+++ b/arch/arm/mach-pxa/zylonite.c
@@ -0,0 +1,184 @@
+/*
+ * linux/arch/arm/mach-pxa/zylonite.c
+ *
+ * Support for the PXA3xx Development Platform (aka Zylonite)
+ *
+ * Copyright (C) 2006 Marvell International Ltd.
+ *
+ * 2007-09-04: eric miao <eric.y.miao@gmail.com>
+ * rewrite to align with latest kernel
+ *
+ * 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/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/hardware.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/zylonite.h>
+
+#include "generic.h"
+
+int gpio_backlight;
+int gpio_eth_irq;
+
+int lcd_id;
+int lcd_orientation;
+
+static struct resource smc91x_resources[] = {
+ [0] = {
+ .start = ZYLONITE_ETH_PHYS + 0x300,
+ .end = ZYLONITE_ETH_PHYS + 0xfffff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = -1, /* for run-time assignment */
+ .end = -1,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device smc91x_device = {
+ .name = "smc91x",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(smc91x_resources),
+ .resource = smc91x_resources,
+};
+
+#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULES)
+static void zylonite_backlight_power(int on)
+{
+ gpio_set_value(gpio_backlight, on);
+}
+
+static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
+ .pixclock = 110000,
+ .xres = 240,
+ .yres = 320,
+ .bpp = 16,
+ .hsync_len = 4,
+ .left_margin = 6,
+ .right_margin = 4,
+ .vsync_len = 2,
+ .upper_margin = 2,
+ .lower_margin = 3,
+ .sync = FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
+ .pixclock = 50000,
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+ .hsync_len = 1,
+ .left_margin = 0x9f,
+ .right_margin = 1,
+ .vsync_len = 44,
+ .upper_margin = 0,
+ .lower_margin = 0,
+ .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
+};
+
+static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
+ .num_modes = 1,
+ .lccr0 = LCCR0_Act,
+ .lccr3 = LCCR3_PCP,
+ .pxafb_backlight_power = zylonite_backlight_power,
+};
+
+static struct pxafb_mode_info sharp_ls037_modes[] = {
+ [0] = {
+ .pixclock = 158000,
+ .xres = 240,
+ .yres = 320,
+ .bpp = 16,
+ .hsync_len = 4,
+ .left_margin = 39,
+ .right_margin = 39,
+ .vsync_len = 1,
+ .upper_margin = 2,
+ .lower_margin = 3,
+ .sync = 0,
+ },
+ [1] = {
+ .pixclock = 39700,
+ .xres = 480,
+ .yres = 640,
+ .bpp = 16,
+ .hsync_len = 8,
+ .left_margin = 81,
+ .right_margin = 81,
+ .vsync_len = 1,
+ .upper_margin = 2,
+ .lower_margin = 7,
+ .sync = 0,
+ },
+};
+
+static struct pxafb_mach_info zylonite_sharp_lcd_info = {
+ .modes = sharp_ls037_modes,
+ .num_modes = 2,
+ .lccr0 = LCCR0_Act,
+ .lccr3 = LCCR3_PCP | LCCR3_HSP | LCCR3_VSP,
+ .pxafb_backlight_power = zylonite_backlight_power,
+};
+
+static void __init zylonite_init_lcd(void)
+{
+ /* backlight GPIO: output, default on */
+ gpio_direction_output(gpio_backlight, 1);
+
+ if (lcd_id & 0x20) {
+ set_pxa_fb_info(&zylonite_sharp_lcd_info);
+ return;
+ }
+
+ /* legacy LCD panels, it would be handy here if LCD panel type can
+ * be decided at run-time
+ */
+ if (1)
+ zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
+ else
+ zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
+
+ set_pxa_fb_info(&zylonite_toshiba_lcd_info);
+}
+#else
+static inline void zylonite_init_lcd(void) {}
+#endif
+
+static void __init zylonite_init(void)
+{
+ /* board-processor specific initialization */
+ zylonite_pxa300_init();
+ zylonite_pxa320_init();
+
+ /*
+ * Note: We depend that the bootloader set
+ * the correct value to MSC register for SMC91x.
+ */
+ smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
+ smc91x_resources[1].end = gpio_to_irq(gpio_eth_irq);
+ platform_device_register(&smc91x_device);
+
+ zylonite_init_lcd();
+}
+
+MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
+ .phys_io = 0x40000000,
+ .boot_params = 0xa0000100,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .map_io = pxa_map_io,
+ .init_irq = pxa3xx_init_irq,
+ .timer = &pxa_timer,
+ .init_machine = zylonite_init,
+MACHINE_END
diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c
new file mode 100644
index 000000000000..b5fbd2f4c693
--- /dev/null
+++ b/arch/arm/mach-pxa/zylonite_pxa300.c
@@ -0,0 +1,188 @@
+/*
+ * linux/arch/arm/mach-pxa/zylonite_pxa300.c
+ *
+ * PXA300/PXA310 specific support code for the
+ * PXA3xx Development Platform (aka Zylonite)
+ *
+ * Copyright (C) 2007 Marvell Internation Ltd.
+ * 2007-08-21: eric miao <eric.y.miao@gmail.com>
+ * initial version
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+
+#include <asm/gpio.h>
+#include <asm/arch/mfp-pxa300.h>
+#include <asm/arch/zylonite.h>
+
+#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
+
+/* PXA300/PXA310 common configurations */
+static mfp_cfg_t common_mfp_cfg[] __initdata = {
+ /* LCD */
+ GPIO54_LCD_LDD_0,
+ GPIO55_LCD_LDD_1,
+ GPIO56_LCD_LDD_2,
+ GPIO57_LCD_LDD_3,
+ GPIO58_LCD_LDD_4,
+ GPIO59_LCD_LDD_5,
+ GPIO60_LCD_LDD_6,
+ GPIO61_LCD_LDD_7,
+ GPIO62_LCD_LDD_8,
+ GPIO63_LCD_LDD_9,
+ GPIO64_LCD_LDD_10,
+ GPIO65_LCD_LDD_11,
+ GPIO66_LCD_LDD_12,
+ GPIO67_LCD_LDD_13,
+ GPIO68_LCD_LDD_14,
+ GPIO69_LCD_LDD_15,
+ GPIO70_LCD_LDD_16,
+ GPIO71_LCD_LDD_17,
+ GPIO72_LCD_FCLK,
+ GPIO73_LCD_LCLK,
+ GPIO74_LCD_PCLK,
+ GPIO75_LCD_BIAS,
+ GPIO76_LCD_VSYNC,
+ GPIO127_LCD_CS_N,
+
+ /* BTUART */
+ GPIO111_UART2_RTS,
+ GPIO112_UART2_RXD,
+ GPIO113_UART2_TXD,
+ GPIO114_UART2_CTS,
+
+ /* STUART */
+ GPIO109_UART3_TXD,
+ GPIO110_UART3_RXD,
+
+ /* AC97 */
+ GPIO23_AC97_nACRESET,
+ GPIO24_AC97_SYSCLK,
+ GPIO29_AC97_BITCLK,
+ GPIO25_AC97_SDATA_IN_0,
+ GPIO27_AC97_SDATA_OUT,
+ GPIO28_AC97_SYNC,
+
+ /* Keypad */
+ GPIO107_KP_DKIN_0,
+ GPIO108_KP_DKIN_1,
+ GPIO115_KP_MKIN_0,
+ GPIO116_KP_MKIN_1,
+ GPIO117_KP_MKIN_2,
+ GPIO118_KP_MKIN_3,
+ GPIO119_KP_MKIN_4,
+ GPIO120_KP_MKIN_5,
+ GPIO2_2_KP_MKIN_6,
+ GPIO3_2_KP_MKIN_7,
+ GPIO121_KP_MKOUT_0,
+ GPIO122_KP_MKOUT_1,
+ GPIO123_KP_MKOUT_2,
+ GPIO124_KP_MKOUT_3,
+ GPIO125_KP_MKOUT_4,
+ GPIO4_2_KP_MKOUT_5,
+ GPIO5_2_KP_MKOUT_6,
+ GPIO6_2_KP_MKOUT_7,
+};
+
+static mfp_cfg_t pxa300_mfp_cfg[] __initdata = {
+ /* FFUART */
+ GPIO30_UART1_RXD,
+ GPIO31_UART1_TXD,
+ GPIO32_UART1_CTS,
+ GPIO37_UART1_RTS,
+ GPIO33_UART1_DCD,
+ GPIO34_UART1_DSR,
+ GPIO35_UART1_RI,
+ GPIO36_UART1_DTR,
+
+ /* Ethernet */
+ GPIO2_nCS3,
+ GPIO99_GPIO,
+};
+
+static mfp_cfg_t pxa310_mfp_cfg[] __initdata = {
+ /* FFUART */
+ GPIO99_UART1_RXD,
+ GPIO100_UART1_TXD,
+ GPIO101_UART1_CTS,
+ GPIO106_UART1_RTS,
+
+ /* Ethernet */
+ GPIO2_nCS3,
+ GPIO102_GPIO,
+};
+
+#define NUM_LCD_DETECT_PINS 7
+
+static int lcd_detect_pins[] __initdata = {
+ MFP_PIN_GPIO71, /* LCD_LDD_17 - ORIENT */
+ MFP_PIN_GPIO70, /* LCD_LDD_16 - LCDID[5] */
+ MFP_PIN_GPIO75, /* LCD_BIAS - LCDID[4] */
+ MFP_PIN_GPIO73, /* LCD_LCLK - LCDID[3] */
+ MFP_PIN_GPIO72, /* LCD_FCLK - LCDID[2] */
+ MFP_PIN_GPIO127,/* LCD_CS_N - LCDID[1] */
+ MFP_PIN_GPIO76, /* LCD_VSYNC - LCDID[0] */
+};
+
+static void __init zylonite_detect_lcd_panel(void)
+{
+ unsigned long mfpr_save[NUM_LCD_DETECT_PINS];
+ int i, gpio, id = 0;
+
+ /* save the original MFP settings of these pins and configure
+ * them as GPIO Input, DS01X, Pull Neither, Edge Clear
+ */
+ for (i = 0; i < NUM_LCD_DETECT_PINS; i++) {
+ mfpr_save[i] = pxa3xx_mfp_read(lcd_detect_pins[i]);
+ pxa3xx_mfp_write(lcd_detect_pins[i], 0x8440);
+ }
+
+ for (i = 0; i < NUM_LCD_DETECT_PINS; i++) {
+ id = id << 1;
+ gpio = mfp_to_gpio(lcd_detect_pins[i]);
+ gpio_direction_input(gpio);
+
+ if (gpio_get_value(gpio))
+ id = id | 0x1;
+ }
+
+ /* lcd id, flush out bit 1 */
+ lcd_id = id & 0x3d;
+
+ /* lcd orientation, portrait or landscape */
+ lcd_orientation = (id >> 6) & 0x1;
+
+ /* restore the original MFP settings */
+ for (i = 0; i < NUM_LCD_DETECT_PINS; i++)
+ pxa3xx_mfp_write(lcd_detect_pins[i], mfpr_save[i]);
+}
+
+void __init zylonite_pxa300_init(void)
+{
+ if (cpu_is_pxa300() || cpu_is_pxa310()) {
+ /* initialize MFP */
+ pxa3xx_mfp_config(ARRAY_AND_SIZE(common_mfp_cfg));
+
+ /* detect LCD panel */
+ zylonite_detect_lcd_panel();
+
+ /* GPIO pin assignment */
+ gpio_backlight = mfp_to_gpio(MFP_PIN_GPIO20);
+ }
+
+ if (cpu_is_pxa300()) {
+ pxa3xx_mfp_config(ARRAY_AND_SIZE(pxa300_mfp_cfg));
+ gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO99);
+ }
+
+ if (cpu_is_pxa310()) {
+ pxa3xx_mfp_config(ARRAY_AND_SIZE(pxa310_mfp_cfg));
+ gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO102);
+ }
+}
diff --git a/arch/arm/mach-pxa/zylonite_pxa320.c b/arch/arm/mach-pxa/zylonite_pxa320.c
new file mode 100644
index 000000000000..63cb36be086b
--- /dev/null
+++ b/arch/arm/mach-pxa/zylonite_pxa320.c
@@ -0,0 +1,173 @@
+/*
+ * linux/arch/arm/mach-pxa/zylonite_pxa320.c
+ *
+ * PXA320 specific support code for the
+ * PXA3xx Development Platform (aka Zylonite)
+ *
+ * Copyright (C) 2007 Marvell Internation Ltd.
+ * 2007-08-21: eric miao <eric.y.miao@gmail.com>
+ * initial version
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/mfp-pxa320.h>
+#include <asm/arch/zylonite.h>
+
+#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x)
+
+static mfp_cfg_t mfp_cfg[] __initdata = {
+ /* LCD */
+ GPIO6_2_LCD_LDD_0,
+ GPIO7_2_LCD_LDD_1,
+ GPIO8_2_LCD_LDD_2,
+ GPIO9_2_LCD_LDD_3,
+ GPIO10_2_LCD_LDD_4,
+ GPIO11_2_LCD_LDD_5,
+ GPIO12_2_LCD_LDD_6,
+ GPIO13_2_LCD_LDD_7,
+ GPIO63_LCD_LDD_8,
+ GPIO64_LCD_LDD_9,
+ GPIO65_LCD_LDD_10,
+ GPIO66_LCD_LDD_11,
+ GPIO67_LCD_LDD_12,
+ GPIO68_LCD_LDD_13,
+ GPIO69_LCD_LDD_14,
+ GPIO70_LCD_LDD_15,
+ GPIO71_LCD_LDD_16,
+ GPIO72_LCD_LDD_17,
+ GPIO73_LCD_CS_N,
+ GPIO74_LCD_VSYNC,
+ GPIO14_2_LCD_FCLK,
+ GPIO15_2_LCD_LCLK,
+ GPIO16_2_LCD_PCLK,
+ GPIO17_2_LCD_BIAS,
+
+ /* FFUART */
+ GPIO41_UART1_RXD,
+ GPIO42_UART1_TXD,
+ GPIO43_UART1_CTS,
+ GPIO44_UART1_DCD,
+ GPIO45_UART1_DSR,
+ GPIO46_UART1_RI,
+ GPIO47_UART1_DTR,
+ GPIO48_UART1_RTS,
+
+ /* AC97 */
+ GPIO34_AC97_SYSCLK,
+ GPIO35_AC97_SDATA_IN_0,
+ GPIO37_AC97_SDATA_OUT,
+ GPIO38_AC97_SYNC,
+ GPIO39_AC97_BITCLK,
+ GPIO40_AC97_nACRESET,
+
+ /* I2C */
+ GPIO32_I2C_SCL,
+ GPIO33_I2C_SDA,
+
+ /* Keypad */
+ GPIO105_KP_DKIN_0,
+ GPIO106_KP_DKIN_1,
+ GPIO113_KP_MKIN_0,
+ GPIO114_KP_MKIN_1,
+ GPIO115_KP_MKIN_2,
+ GPIO116_KP_MKIN_3,
+ GPIO117_KP_MKIN_4,
+ GPIO118_KP_MKIN_5,
+ GPIO119_KP_MKIN_6,
+ GPIO120_KP_MKIN_7,
+ GPIO121_KP_MKOUT_0,
+ GPIO122_KP_MKOUT_1,
+ GPIO123_KP_MKOUT_2,
+ GPIO124_KP_MKOUT_3,
+ GPIO125_KP_MKOUT_4,
+ GPIO126_KP_MKOUT_5,
+ GPIO127_KP_MKOUT_6,
+ GPIO5_2_KP_MKOUT_7,
+
+ /* Ethernet */
+ GPIO4_nCS3,
+ GPIO90_GPIO,
+};
+
+#define NUM_LCD_DETECT_PINS 7
+
+static int lcd_detect_pins[] __initdata = {
+ MFP_PIN_GPIO72, /* LCD_LDD_17 - ORIENT */
+ MFP_PIN_GPIO71, /* LCD_LDD_16 - LCDID[5] */
+ MFP_PIN_GPIO17_2, /* LCD_BIAS - LCDID[4] */
+ MFP_PIN_GPIO15_2, /* LCD_LCLK - LCDID[3] */
+ MFP_PIN_GPIO14_2, /* LCD_FCLK - LCDID[2] */
+ MFP_PIN_GPIO73, /* LCD_CS_N - LCDID[1] */
+ MFP_PIN_GPIO74, /* LCD_VSYNC - LCDID[0] */
+ /*
+ * set the MFP_PIN_GPIO 14/15/17 to alternate function other than
+ * GPIO to avoid input level confliction with 14_2, 15_2, 17_2
+ */
+ MFP_PIN_GPIO14,
+ MFP_PIN_GPIO15,
+ MFP_PIN_GPIO17,
+};
+
+static int lcd_detect_mfpr[] __initdata = {
+ /* AF0, DS 1X, Pull Neither, Edge Clear */
+ 0x8440, 0x8440, 0x8440, 0x8440, 0x8440, 0x8440, 0x8440,
+ 0xc442, /* Backlight, Pull-Up, AF2 */
+ 0x8445, /* AF5 */
+ 0x8445, /* AF5 */
+};
+
+static void __init zylonite_detect_lcd_panel(void)
+{
+ unsigned long mfpr_save[ARRAY_SIZE(lcd_detect_pins)];
+ int i, gpio, id = 0;
+
+ /* save the original MFP settings of these pins and configure them
+ * as GPIO Input, DS01X, Pull Neither, Edge Clear
+ */
+ for (i = 0; i < ARRAY_SIZE(lcd_detect_pins); i++) {
+ mfpr_save[i] = pxa3xx_mfp_read(lcd_detect_pins[i]);
+ pxa3xx_mfp_write(lcd_detect_pins[i], lcd_detect_mfpr[i]);
+ }
+
+ for (i = 0; i < NUM_LCD_DETECT_PINS; i++) {
+ id = id << 1;
+ gpio = mfp_to_gpio(lcd_detect_pins[i]);
+ gpio_direction_input(gpio);
+
+ if (gpio_get_value(gpio))
+ id = id | 0x1;
+ }
+
+ /* lcd id, flush out bit 1 */
+ lcd_id = id & 0x3d;
+
+ /* lcd orientation, portrait or landscape */
+ lcd_orientation = (id >> 6) & 0x1;
+
+ /* restore the original MFP settings */
+ for (i = 0; i < ARRAY_SIZE(lcd_detect_pins); i++)
+ pxa3xx_mfp_write(lcd_detect_pins[i], mfpr_save[i]);
+}
+
+void __init zylonite_pxa320_init(void)
+{
+ if (cpu_is_pxa320()) {
+ /* initialize MFP */
+ pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_cfg));
+
+ /* detect LCD panel */
+ zylonite_detect_lcd_panel();
+
+ /* GPIO pin assignment */
+ gpio_backlight = mfp_to_gpio(MFP_PIN_GPIO14);
+ gpio_eth_irq = mfp_to_gpio(MFP_PIN_GPIO9);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 06:12:35 +0100