From 74617fb6b825ea370ae72565f7543306bc08ef6e Mon Sep 17 00:00:00 2001
From: Richard Purdie <rpurdie@rpsys.net>
Date: Mon, 19 Jun 2006 19:57:12 +0100
Subject: [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>
---
 arch/arm/mach-pxa/corgi.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'arch/arm/mach-pxa/corgi.c')

diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index d6d72603636..bf6648a8390 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;
-- 
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