11 files changed, 56 insertions, 0 deletions

diff --git a/arch/arm/mach-s3c2440/common.h b/arch/arm/mach-s3c2440/common.h
new file mode 100644
index 000000000000..db8a98ac68c5
--- /dev/null
+++ b/arch/arm/mach-s3c2440/common.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * Common Header for S3C2440 machines
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ARCH_ARM_MACH_S3C2440_COMMON_H
+#define __ARCH_ARM_MACH_S3C2440_COMMON_H
+
+void s3c2440_restart(char mode, const char *cmd);
+
+#endif /* __ARCH_ARM_MACH_S3C2440_COMMON_H */
diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c
index 74f92fc3fd04..121ff8d2c887 100644
--- a/arch/arm/mach-s3c2440/mach-anubis.c
+++ b/arch/arm/mach-s3c2440/mach-anubis.c
@@ -55,6 +55,8 @@
 #include <plat/cpu.h>
 #include <plat/audio-simtec.h>
 
+#include "common.h"
+
 #define COPYRIGHT ", Copyright 2005-2009 Simtec Electronics"
 
 static struct map_desc anubis_iodesc[] __initdata = {
@@ -503,4 +505,5 @@ MACHINE_START(ANUBIS, "Simtec-Anubis")
         .init_machine   = anubis_init,
         .init_irq       = s3c24xx_init_irq,
         .timer          = &s3c24xx_timer,
+        .restart        = s3c2440_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-at2440evb.c b/arch/arm/mach-s3c2440/mach-at2440evb.c
index 38887ee0c784..b7e334f07da4 100644
--- a/arch/arm/mach-s3c2440/mach-at2440evb.c
+++ b/arch/arm/mach-s3c2440/mach-at2440evb.c
@@ -49,6 +49,8 @@
 #include <plat/cpu.h>
 #include <plat/mci.h>
 
+#include "common.h"
+
 static struct map_desc at2440evb_iodesc[] __initdata = {
         /* Nothing here */
 };
@@ -238,4 +240,5 @@ MACHINE_START(AT2440EVB, "AT2440EVB")
         .init_machine   = at2440evb_init,
         .init_irq       = s3c24xx_init_irq,
         .timer          = &s3c24xx_timer,
+        .restart        = s3c2440_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
index de1e0ff46cec..5859e609d28c 100644
--- a/arch/arm/mach-s3c2440/mach-gta02.c
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
@@ -90,6 +90,7 @@
 #include <plat/iic.h>
 #include <plat/ts.h>
 
+#include "common.h"
 
 static struct pcf50633 *gta02_pcf;
 
@@ -600,4 +601,5 @@ MACHINE_START(NEO1973_GTA02, "GTA02")
         .init_irq       = s3c24xx_init_irq,
         .init_machine   = gta02_machine_init,
         .timer          = &s3c24xx_timer,
+        .restart        = s3c2440_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c
index 91fe0b4c95f1..437322ffd88d 100644
--- a/arch/arm/mach-s3c2440/mach-mini2440.c
+++ b/arch/arm/mach-s3c2440/mach-mini2440.c
@@ -60,6 +60,8 @@
 
 #include <sound/s3c24xx_uda134x.h>
 
+#include "common.h"
+
 #define MACH_MINI2440_DM9K_BASE (S3C2410_CS4 + 0x300)
 
 static struct map_desc mini2440_iodesc[] __initdata = {
@@ -681,4 +683,5 @@ MACHINE_START(MINI2440, "MINI2440")
         .init_machine   = mini2440_init,
         .init_irq       = s3c24xx_init_irq,
         .timer          = &s3c24xx_timer,
+        .restart        = s3c2440_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-nexcoder.c b/arch/arm/mach-s3c2440/mach-nexcoder.c
index 61c0bf148165..40eaf844bc1f 100644
--- a/arch/arm/mach-s3c2440/mach-nexcoder.c
+++ b/arch/arm/mach-s3c2440/mach-nexcoder.c
@@ -47,6 +47,8 @@
 #include <plat/devs.h>
 #include <plat/cpu.h>
 
+#include "common.h"
+
 static struct map_desc nexcoder_iodesc[] __initdata = {
         /* nothing here yet */
 };
@@ -156,4 +158,5 @@ MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
         .init_machine   = nexcoder_init,
         .init_irq       = s3c24xx_init_irq,
         .timer          = &s3c24xx_timer,
+        .restart        = s3c2440_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-osiris.c b/arch/arm/mach-s3c2440/mach-osiris.c
index dc142ebf8cba..e795715fba30 100644
--- a/arch/arm/mach-s3c2440/mach-osiris.c
+++ b/arch/arm/mach-s3c2440/mach-osiris.c
@@ -54,6 +54,8 @@
 #include <plat/devs.h>
 #include <plat/cpu.h>
 
+#include "common.h"
+
 /* onboard perihperal map */
 
 static struct map_desc osiris_iodesc[] __initdata = {
@@ -452,4 +454,5 @@ MACHINE_START(OSIRIS, "Simtec-OSIRIS")
         .init_irq       = s3c24xx_init_irq,
         .init_machine   = osiris_init,
         .timer          = &s3c24xx_timer,
+        .restart        = s3c2440_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c
index 0d3453bf567c..1c50d3e09177 100644
--- a/arch/arm/mach-s3c2440/mach-rx1950.c
+++ b/arch/arm/mach-s3c2440/mach-rx1950.c
@@ -62,6 +62,8 @@
 
 #include <sound/uda1380.h>
 
+#include "common.h"
+
 #define LCD_PWM_PERIOD 192960
 #define LCD_PWM_DUTY 127353
 
@@ -832,4 +834,5 @@ MACHINE_START(RX1950, "HP iPAQ RX1950")
         .init_irq = s3c24xx_init_irq,
         .init_machine = rx1950_init_machine,
         .timer = &s3c24xx_timer,
+        .restart        = s3c2440_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c
index e19499c2f909..4d20a016b85d 100644
--- a/arch/arm/mach-s3c2440/mach-rx3715.c
+++ b/arch/arm/mach-s3c2440/mach-rx3715.c
@@ -51,6 +51,8 @@
 #include <plat/cpu.h>
 #include <plat/pm.h>
 
+#include "common.h"
+
 static struct map_desc rx3715_iodesc[] __initdata = {
         /* dump ISA space somewhere unused */
 
@@ -224,4 +226,5 @@ MACHINE_START(RX3715, "IPAQ-RX3715")
         .init_irq       = rx3715_init_irq,
         .init_machine   = rx3715_init_machine,
         .timer          = &s3c24xx_timer,
+        .restart        = s3c2440_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/mach-smdk2440.c b/arch/arm/mach-s3c2440/mach-smdk2440.c
index 36eeb4197a84..1deb60d12a60 100644
--- a/arch/arm/mach-s3c2440/mach-smdk2440.c
+++ b/arch/arm/mach-s3c2440/mach-smdk2440.c
@@ -47,6 +47,8 @@
 
 #include <plat/common-smdk.h>
 
+#include "common.h"
+
 static struct map_desc smdk2440_iodesc[] __initdata = {
         /* ISA IO Space map (memory space selected by A24) */
 
@@ -181,4 +183,5 @@ MACHINE_START(S3C2440, "SMDK2440")
         .map_io         = smdk2440_map_io,
         .init_machine   = smdk2440_machine_init,
         .timer          = &s3c24xx_timer,
+        .restart        = s3c2440_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c
index 37f8cc6aabd4..42d73f1e0cef 100644
--- a/arch/arm/mach-s3c2440/s3c2440.c
+++ b/arch/arm/mach-s3c2440/s3c2440.c
@@ -35,6 +35,7 @@
 #include <plat/cpu.h>
 #include <plat/s3c244x.h>
 #include <plat/pm.h>
+#include <plat/watchdog-reset.h>
 
 #include <plat/gpio-core.h>
 #include <plat/gpio-cfg.h>
@@ -73,3 +74,15 @@ void __init s3c2440_map_io(void)
         s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
         s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
 }
+
+void s3c2440_restart(char mode, const char *cmd)
+{
+        if (mode == 's') {
+                soft_restart(0);
+        }
+
+        arch_wdt_reset();
+
+        /* we'll take a jump through zero as a poor second */
+        soft_restart(0);
+}