7 files changed, 131 insertions, 26 deletions

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 7df6e1aaa323..17c38dbf2f3c 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -28,6 +28,7 @@
 #include <linux/init.h>
 #include <linux/cpu.h>
 #include <linux/elfcore.h>
+#include <linux/pm.h>
 
 #include <asm/leds.h>
 #include <asm/processor.h>
@@ -71,8 +72,36 @@ static int __init hlt_setup(char *__unused)
 __setup("nohlt", nohlt_setup);
 __setup("hlt", hlt_setup);
 
+void arm_machine_restart(char mode)
+{
+        /*
+         * Clean and disable cache, and turn off interrupts
+         */
+        cpu_proc_fin();
+
+        /*
+         * Tell the mm system that we are going to reboot -
+         * we may need it to insert some 1:1 mappings so that
+         * soft boot works.
+         */
+        setup_mm_for_reboot(mode);
+
+        /*
+         * Now call the architecture specific reboot code.
+         */
+        arch_reset(mode);
+
+        /*
+         * Whoops - the architecture was unable to reboot.
+         * Tell the user!
+         */
+        mdelay(1000);
+        printk("Reboot failed -- System halted\n");
+        while (1);
+}
+
 /*
- * The following aren't currently used.
+ * Function pointers to optional machine specific functions
  */
 void (*pm_idle)(void);
 EXPORT_SYMBOL(pm_idle);
@@ -80,6 +109,10 @@ EXPORT_SYMBOL(pm_idle);
 void (*pm_power_off)(void);
 EXPORT_SYMBOL(pm_power_off);
 
+void (*arm_pm_restart)(char str) = arm_machine_restart;
+EXPORT_SYMBOL_GPL(arm_pm_restart);
+
+
 /*
  * This is our default idle handler.  We need to disable
  * interrupts here to ensure we don't miss a wakeup call.
@@ -151,33 +184,9 @@ void machine_power_off(void)
                 pm_power_off();
 }
 
-
 void machine_restart(char * __unused)
 {
-        /*
-         * Clean and disable cache, and turn off interrupts
-         */
-        cpu_proc_fin();
-
-        /*
-         * Tell the mm system that we are going to reboot -
-         * we may need it to insert some 1:1 mappings so that
-         * soft boot works.
-         */
-        setup_mm_for_reboot(reboot_mode);
-
-        /*
-         * Now call the architecture specific reboot code.
-         */
-        arch_reset(reboot_mode);
-
-        /*
-         * Whoops - the architecture was unable to reboot.
-         * Tell the user!
-         */
-        mdelay(1000);
-        printk("Reboot failed -- System halted\n");
-        while (1);
+        arm_pm_restart(reboot_mode);
 }
 
 void __show_regs(struct pt_regs *regs)
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index d6d726036361..bf6648a83901 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -19,6 +19,7 @@
 #include <linux/fs.h>
 #include <linux/interrupt.h>
 #include <linux/mmc/host.h>
+#include <linux/pm.h>
 
 #include <asm/setup.h>
 #include <asm/memory.h>
@@ -26,6 +27,7 @@
 #include <asm/hardware.h>
 #include <asm/irq.h>
 #include <asm/io.h>
+#include <asm/system.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -310,8 +312,31 @@ static struct platform_device *devices[] __initdata = {
         &corgiled_device,
 };
 
+static void corgi_poweroff(void)
+{
+        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+
+        if (!machine_is_corgi())
+                /* Green LED off tells the bootloader to halt */
+                reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
+        arm_machine_restart('h');
+}
+
+static void corgi_restart(char mode)
+{
+        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+
+        if (!machine_is_corgi())
+                /* Green LED on tells the bootloader to reboot */
+                set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);
+        arm_machine_restart('h');
+}
+
 static void __init corgi_init(void)
 {
+        pm_power_off = corgi_poweroff;
+        arm_pm_restart = corgi_restart;
+
         /* setup sleep mode values */
         PWER  = 0x00000002;
         PFER  = 0x00000000;
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index a042473deedd..1d516d317e89 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -18,11 +18,13 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/fb.h>
+#include <linux/pm.h>
 
 #include <asm/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/irq.h>
 #include <asm/setup.h>
+#include <asm/system.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -247,10 +249,25 @@ static struct platform_device *devices[] __initdata = {
         &poodle_scoop_device,
 };
 
+static void poodle_poweroff(void)
+{
+        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+        arm_machine_restart('h');
+}
+
+static void poodle_restart(char mode)
+{
+        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+        arm_machine_restart('h');
+}
+
 static void __init poodle_init(void)
 {
         int ret = 0;
 
+        pm_power_off = poodle_poweroff;
+        arm_pm_restart = poodle_restart;
+
         /* setup sleep mode values */
         PWER  = 0x00000002;
         PFER  = 0x00000000;
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 44bcb8097c7a..eb9937f6f5cd 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -20,6 +20,7 @@
 #include <linux/fs.h>
 #include <linux/interrupt.h>
 #include <linux/mmc/host.h>
+#include <linux/pm.h>
 
 #include <asm/setup.h>
 #include <asm/memory.h>
@@ -27,6 +28,7 @@
 #include <asm/hardware.h>
 #include <asm/irq.h>
 #include <asm/io.h>
+#include <asm/system.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -432,8 +434,31 @@ static struct platform_device *devices[] __initdata = {
         &spitzled_device,
 };
 
+static void spitz_poweroff(void)
+{
+        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+
+        pxa_gpio_mode(SPITZ_GPIO_ON_RESET | GPIO_OUT);
+        GPSR(SPITZ_GPIO_ON_RESET) = GPIO_bit(SPITZ_GPIO_ON_RESET);
+
+        mdelay(1000);
+        arm_machine_restart('h');
+}
+
+static void spitz_restart(char mode)
+{
+        /* Bootloader magic for a reboot */
+        if((MSC0 & 0xffff0000) == 0x7ff00000)
+                MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
+
+        spitz_poweroff();
+}
+
 static void __init common_init(void)
 {
+        pm_power_off = spitz_poweroff;
+        arm_pm_restart = spitz_restart;
+
         PMCR = 0x00;
 
         /* setup sleep mode values */
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 76c0e7f0a219..afa223b9e7a2 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -19,12 +19,14 @@
 #include <linux/fs.h>
 #include <linux/interrupt.h>
 #include <linux/mmc/host.h>
+#include <linux/pm.h>
 
 #include <asm/setup.h>
 #include <asm/memory.h>
 #include <asm/mach-types.h>
 #include <asm/hardware.h>
 #include <asm/irq.h>
+#include <asm/system.h>
 #include <asm/arch/irda.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/udc.h>
@@ -266,8 +268,31 @@ static struct platform_device *devices[] __initdata = {
         &tosaled_device,
 };
 
+static void tosa_poweroff(void)
+{
+        RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
+
+        pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT);
+        GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET);
+
+        mdelay(1000);
+        arm_machine_restart('h');
+}
+
+static void tosa_restart(char mode)
+{
+        /* Bootloader magic for a reboot */
+        if((MSC0 & 0xffff0000) == 0x7ff00000)
+                MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
+
+        tosa_poweroff();
+}
+
 static void __init tosa_init(void)
 {
+        pm_power_off = tosa_poweroff;
+        arm_pm_restart = tosa_restart;
+
         pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN);
         pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN);
         pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN);
diff --git a/include/asm-arm/arch-pxa/system.h b/include/asm-arm/arch-pxa/system.h
index 840a46bfbc54..1d56a3ef89fd 100644
--- a/include/asm-arm/arch-pxa/system.h
+++ b/include/asm-arm/arch-pxa/system.h
@@ -10,6 +10,7 @@
  * published by the Free Software Foundation.
  */
 
+#include <asm/proc-fns.h>
 #include "hardware.h"
 #include "pxa-regs.h"
 
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index 7c9568d30307..e6b762b31488 100644
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -108,6 +108,9 @@ extern void __show_regs(struct pt_regs *);
 extern int cpu_architecture(void);
 extern void cpu_init(void);
 
+void arm_machine_restart(char mode);
+extern void (*arm_pm_restart)(char str);
+
 /*
  * Intel's XScale3 core supports some v6 features (supersections, L2)
  * but advertises itself as v5 as it does not support the v6 ISA.  For