From d7f1e82ac982dead64d2b3825b7d33db3023a514 Mon Sep 17 00:00:00 2001 From: Jongpill Lee Date: Wed, 23 Jun 2010 21:31:21 +0900 Subject: [PATCH] ARM: S5P: Add System define for arch_reset() This patch adds system define for arch_reset() using Watchdog reset. And adds IO mapping for using WDT. Signed-off-by: Jongpill Lee Signed-off-by: Kukjin Kim --- arch/arm/plat-s5p/cpu.c | 5 ++++ arch/arm/plat-s5p/include/plat/system-reset.h | 24 +++++++++++++++++++ 2 files changed, 29 insertions(+) create mode 100644 arch/arm/plat-s5p/include/plat/system-reset.h diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c index 75cb8c37ca2c..1ab55e82587b 100644 --- a/arch/arm/plat-s5p/cpu.c +++ b/arch/arm/plat-s5p/cpu.c @@ -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, }, }; diff --git a/arch/arm/plat-s5p/include/plat/system-reset.h b/arch/arm/plat-s5p/include/plat/system-reset.h new file mode 100644 index 000000000000..7f76a164c20c --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/system-reset.h @@ -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 + +static void arch_reset(char mode, const char *cmd) +{ + /* Perform reset using Watchdog reset. + * SWRESET support will be added later. + */ + + arch_wdt_reset(); +} -- 2.39.5