ARM: 7265/1: restart: S3C24XX: use new restart hook

Hook these platforms restart code into the new restart hook rather
than using arch_reset().
And adds local header file, common.h in arch/arm/mach-s3c2410/ and
arch/arm/mach-s3c2440/ directories.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

12 files changed, 57 insertions, 17 deletions

diff --git a/arch/arm/mach-s3c2410/common.h b/arch/arm/mach-s3c2410/common.h
new file mode 100644
index 0000000..f65dc80
--- /dev/null
+++ b/arch/arm/mach-s3c2410/common.h
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Common Header for S3C2410 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_S3C2410_COMMON_H
+#define __ARCH_ARM_MACH_S3C2410_COMMON_H
+
+void s3c2410_restart(char mode, const char *cmd);
+
+#endif /* __ARCH_ARM_MACH_S3C2410_COMMON_H */
diff --git a/arch/arm/mach-s3c2410/include/mach/system-reset.h b/arch/arm/mach-s3c2410/include/mach/system-reset.h
index 1e495f3..e71dc5fd 100644
--- a/arch/arm/mach-s3c2410/include/mach/system-reset.h
+++ b/arch/arm/mach-s3c2410/include/mach/system-reset.h
@@ -10,18 +10,6 @@
  * published by the Free Software Foundation.
 */
 
-#include <mach/hardware.h>
-#include <plat/watchdog-reset.h>
-
-static void
-arch_reset(char mode, const char *cmd)
+static void arch_reset(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);
 }
diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c
index 7983894..4220cc6 100644
--- a/arch/arm/mach-s3c2410/mach-amlm5900.c
+++ b/arch/arm/mach-s3c2410/mach-amlm5900.c
@@ -63,6 +63,8 @@
 #include <linux/mtd/map.h>
 #include <linux/mtd/physmap.h>
 
+#include "common.h"
+
 static struct resource amlm5900_nor_resource = {
 		.start = 0x00000000,
 		.end   = 0x01000000 - 1,
@@ -241,4 +243,5 @@ MACHINE_START(AML_M5900, "AML_M5900")
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= amlm5900_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c2410_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index a20ae1a..c6133c6 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -66,6 +66,7 @@
 
 #include "usb-simtec.h"
 #include "nor-simtec.h"
+#include "common.h"
 
 #define COPYRIGHT ", Copyright 2004-2008 Simtec Electronics"
 
@@ -662,4 +663,5 @@ MACHINE_START(BAST, "Simtec-BAST")
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= bast_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c2410_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 05a7d16..ad9d865 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -70,6 +70,8 @@
 
 #include <sound/uda1380.h>
 
+#include "common.h"
+
 #define H1940_LATCH		((void __force __iomem *)0xF8000000)
 
 #define H1940_PA_LATCH		S3C2410_CS2
@@ -751,4 +753,5 @@ MACHINE_START(H1940, "IPAQ-H1940")
 	.init_irq	= h1940_init_irq,
 	.init_machine	= h1940_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c2410_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c
index 1dc3e32..383d00c 100644
--- a/arch/arm/mach-s3c2410/mach-n30.c
+++ b/arch/arm/mach-s3c2410/mach-n30.c
@@ -51,6 +51,8 @@
 #include <plat/s3c2410.h>
 #include <plat/udc.h>
 
+#include "common.h"
+
 static struct map_desc n30_iodesc[] __initdata = {
 	/* nothing here yet */
 };
@@ -591,6 +593,7 @@ MACHINE_START(N30, "Acer-N30")
 	.init_machine	= n30_init,
 	.init_irq	= s3c24xx_init_irq,
 	.map_io		= n30_map_io,
+	.restart	= s3c2410_restart,
 MACHINE_END
 
 MACHINE_START(N35, "Acer-N35")
@@ -601,4 +604,5 @@ MACHINE_START(N35, "Acer-N35")
 	.init_machine	= n30_init,
 	.init_irq	= s3c24xx_init_irq,
 	.map_io		= n30_map_io,
+	.restart	= s3c2410_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2410/mach-otom.c b/arch/arm/mach-s3c2410/mach-otom.c
index f03f3fd..5f1e0ee 100644
--- a/arch/arm/mach-s3c2410/mach-otom.c
+++ b/arch/arm/mach-s3c2410/mach-otom.c
@@ -38,6 +38,8 @@
 #include <plat/iic.h>
 #include <plat/cpu.h>
 
+#include "common.h"
+
 static struct map_desc otom11_iodesc[] __initdata = {
   /* Device area */
 	{ (u32)OTOM_VA_CS8900A_BASE, OTOM_PA_CS8900A_BASE, SZ_16M, MT_DEVICE },
@@ -121,4 +123,5 @@ MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
 	.init_machine	= otom11_init,
 	.init_irq	= s3c24xx_init_irq,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c2410_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c
index 4518521..58f2c17 100644
--- a/arch/arm/mach-s3c2410/mach-qt2410.c
+++ b/arch/arm/mach-s3c2410/mach-qt2410.c
@@ -62,6 +62,8 @@
 #include <plat/cpu.h>
 #include <plat/pm.h>
 
+#include "common.h"
+
 static struct map_desc qt2410_iodesc[] __initdata = {
 	{ 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE }
 };
@@ -350,6 +352,5 @@ MACHINE_START(QT2410, "QT2410")
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= qt2410_machine_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c2410_restart,
 MACHINE_END
-
-
diff --git a/arch/arm/mach-s3c2410/mach-smdk2410.c b/arch/arm/mach-s3c2410/mach-smdk2410.c
index 99c9dfd..bdc27e7 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2410.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2410.c
@@ -54,6 +54,8 @@
 
 #include <plat/common-smdk.h>
 
+#include "common.h"
+
 static struct map_desc smdk2410_iodesc[] __initdata = {
   /* nothing here yet */
 };
@@ -116,6 +118,5 @@ MACHINE_START(SMDK2410, "SMDK2410") /* @TODO: request a new identifier and switc
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= smdk2410_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c2410_restart,
 MACHINE_END
-
-
diff --git a/arch/arm/mach-s3c2410/mach-tct_hammer.c b/arch/arm/mach-s3c2410/mach-tct_hammer.c
index e0d0b6f..1114666f 100644
--- a/arch/arm/mach-s3c2410/mach-tct_hammer.c
+++ b/arch/arm/mach-s3c2410/mach-tct_hammer.c
@@ -54,6 +54,8 @@
 #include <linux/mtd/map.h>
 #include <linux/mtd/physmap.h>
 
+#include "common.h"
+
 static struct resource tct_hammer_nor_resource = {
 		.start = 0x00000000,
 		.end   = 0x01000000 - 1,
@@ -151,4 +153,5 @@ MACHINE_START(TCT_HAMMER, "TCT_HAMMER")
 	.init_irq	= s3c24xx_init_irq,
 	.init_machine	= tct_hammer_init,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c2410_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c
index df47e8e..cc7032b 100644
--- a/arch/arm/mach-s3c2410/mach-vr1000.c
+++ b/arch/arm/mach-s3c2410/mach-vr1000.c
@@ -53,6 +53,7 @@
 
 #include "usb-simtec.h"
 #include "nor-simtec.h"
+#include "common.h"
 
 /* macros for virtual address mods for the io space entries */
 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
@@ -405,4 +406,5 @@ MACHINE_START(VR1000, "Thorcom-VR1000")
 	.init_machine	= vr1000_init,
 	.init_irq	= s3c24xx_init_irq,
 	.timer		= &s3c24xx_timer,
+	.restart	= s3c2410_restart,
 MACHINE_END
diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c
index 3d7ebc5..489c826 100644
--- a/arch/arm/mach-s3c2410/s3c2410.c
+++ b/arch/arm/mach-s3c2410/s3c2410.c
@@ -42,6 +42,7 @@
 #include <plat/clock.h>
 #include <plat/pll.h>
 #include <plat/pm.h>
+#include <plat/watchdog-reset.h>
 
 #include <plat/gpio-core.h>
 #include <plat/gpio-cfg.h>
@@ -183,3 +184,15 @@ int __init s3c2410a_init(void)
 	s3c2410_sysdev.cls = &s3c2410a_sysclass;
 	return s3c2410_init();
 }
+
+void s3c2410_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);
+}