[PATCH 2/8] ARM: S5PV210: add support for software reset

Marek Szyprowski m.szyprowski at samsung.com
Thu Mar 25 07:15:13 EDT 2010


Add missing call for software reset (system reboot).

Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 arch/arm/mach-s5pv210/include/mach/regs-clock.h |    2 ++
 arch/arm/mach-s5pv210/include/mach/system.h     |    7 ++++++-
 2 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-s5pv210/include/mach/regs-clock.h b/arch/arm/mach-s5pv210/include/mach/regs-clock.h
index e56e0e4..40dd24f 100644
--- a/arch/arm/mach-s5pv210/include/mach/regs-clock.h
+++ b/arch/arm/mach-s5pv210/include/mach/regs-clock.h
@@ -91,6 +91,8 @@
 #define S5P_CLKDIV0_PCLK66_MASK		(0x7 << S5P_CLKDIV0_PCLK66_SHIFT)
 
 /* Registers related to power management */
+#define S5P_SWRESET		S5P_CLKREG(0x2000)
+
 #define S5P_PWR_CFG		S5P_CLKREG(0xC000)
 #define S5P_EINT_WAKEUP_MASK	S5P_CLKREG(0xC004)
 #define S5P_WAKEUP_MASK 	S5P_CLKREG(0xC008)
diff --git a/arch/arm/mach-s5pv210/include/mach/system.h b/arch/arm/mach-s5pv210/include/mach/system.h
index 1ca04d5..ba39203 100644
--- a/arch/arm/mach-s5pv210/include/mach/system.h
+++ b/arch/arm/mach-s5pv210/include/mach/system.h
@@ -13,6 +13,10 @@
 #ifndef __ASM_ARCH_SYSTEM_H
 #define __ASM_ARCH_SYSTEM_H __FILE__
 
+#include <linux/io.h>
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+
 static void arch_idle(void)
 {
 	/* nothing here yet */
@@ -20,7 +24,8 @@ static void arch_idle(void)
 
 static void arch_reset(char mode, const char *cmd)
 {
-	/* nothing here yet */
+	__raw_writel(0x1, S5P_SWRESET);
+	return;
 }
 
 #endif /* __ASM_ARCH_SYSTEM_H */
-- 
1.6.4




More information about the linux-arm-kernel mailing list