[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>
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 44bcb80..eb9937f 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 @@
&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 */