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ARM: S5P: Add System define for arch_reset()

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This patch adds system define for arch_reset() using Watchdog reset.
And adds IO mapping for using WDT.

Signed-off-by: Jongpill Lee <boyko.lee@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Jongpill Lee 2010-06-23 21:31:21 +09:00 committed by Kukjin Kim
parent c8def0857f
commit d7f1e82ac9
2 changed files with 29 additions and 0 deletions
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5
arch/arm/plat-s5p/cpu.c
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@ -103,6 +103,11 @@ static struct map_desc s5p_iodesc[] __initdata = {
.pfn = __phys_to_pfn(S5P_PA_GPIO),
.length = SZ_4K,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)S3C_VA_WATCHDOG,
.pfn = __phys_to_pfn(S3C_PA_WDT),
.length = SZ_4K,
.type = MT_DEVICE,
},
};

24
arch/arm/plat-s5p/include/plat/system-reset.h Normal file
View file

@ -0,0 +1,24 @@
/* linux/arch/arm/plat-s5p/include/plat/system-reset.h
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Based on arch/arm/mach-s3c2410/include/mach/system-reset.h
*
* S5P - System define for arch_reset()
*
* 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.
*/
#include <plat/watchdog-reset.h>
static void arch_reset(char mode, const char *cmd)
{
/* Perform reset using Watchdog reset.
* SWRESET support will be added later.
*/
arch_wdt_reset();
}