4 files changed, 14 insertions, 1 deletions

diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h
index 99d5e3b420ad..7a1e5a2455b3 100644
--- a/arch/arm/mach-s3c6400/include/mach/map.h
+++ b/arch/arm/mach-s3c6400/include/mach/map.h
@@ -40,6 +40,7 @@
 
 #define S3C64XX_PA_FB           (0x77100000)
 #define S3C64XX_PA_USB_HSOTG    (0x7C000000)
+#define S3C64XX_PA_WATCHDOG     (0x7E004000)
 #define S3C64XX_PA_SYSCON       (0x7E00F000)
 #define S3C64XX_PA_TIMER        (0x7F006000)
 #define S3C64XX_PA_IIC0         (0x7F004000)
diff --git a/arch/arm/mach-s3c6400/include/mach/system.h b/arch/arm/mach-s3c6400/include/mach/system.h
index 090cfd969bc7..2e58cb7a7147 100644
--- a/arch/arm/mach-s3c6400/include/mach/system.h
+++ b/arch/arm/mach-s3c6400/include/mach/system.h
@@ -11,6 +11,8 @@
 #ifndef __ASM_ARCH_SYSTEM_H
 #define __ASM_ARCH_SYSTEM_H __FILE__
 
+#include <plat/watchdog-reset.h>
+
 static void arch_idle(void)
 {
         /* nothing here yet */
@@ -18,7 +20,11 @@ static void arch_idle(void)
 
 static void arch_reset(char mode, const char *cmd)
 {
-        /* nothing here yet */
+        if (mode != 's')
+                arch_wdt_reset();
+
+        /* if all else fails, or mode was for soft, jump to 0 */
+        cpu_reset(0);
 }
 
 #endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/plat-s3c/include/plat/watchdog-reset.h b/arch/arm/plat-s3c/include/plat/watchdog-reset.h
index 277506aa0d51..54b762acb5a0 100644
--- a/arch/arm/plat-s3c/include/plat/watchdog-reset.h
+++ b/arch/arm/plat-s3c/include/plat/watchdog-reset.h
@@ -11,6 +11,7 @@
 */
 
 #include <plat/regs-watchdog.h>
+#include <mach/map.h>
 
 #include <linux/clk.h>
 #include <linux/err.h>
diff --git a/arch/arm/plat-s3c64xx/cpu.c b/arch/arm/plat-s3c64xx/cpu.c
index 19f68b5f0d36..b1fdd83940a6 100644
--- a/arch/arm/plat-s3c64xx/cpu.c
+++ b/arch/arm/plat-s3c64xx/cpu.c
@@ -102,6 +102,11 @@ static struct map_desc s3c_iodesc[] __initdata = {
                 .pfn            = __phys_to_pfn(S3C64XX_PA_MODEM),
                 .length         = SZ_4K,
                 .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S3C_VA_WATCHDOG,
+                .pfn            = __phys_to_pfn(S3C64XX_PA_WATCHDOG),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
         },
 };