[ARM] 3593/1: Add reboot and shutdown handlers for Zaurus handhelds

Patch from Richard Purdie

Add functionality to allow machine specific reboot handlers on ARM.
Add machine specific reboot and poweroff handlers for all PXA Zaurus
models.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 17 insertions, 0 deletions

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;