From d7f1e82ac982dead64d2b3825b7d33db3023a514 Mon Sep 17 00:00:00 2001 From: Jongpill Lee Date: Wed, 23 Jun 2010 21:31:21 +0900 Subject: 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/include/plat/system-reset.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 arch/arm/plat-s5p/include/plat/system-reset.h (limited to 'arch/arm/plat-s5p/include') 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(); +} -- cgit v1.2.1 From 0fdb480e7fb1ecdd4076ddf8b6ab16b0d77406c1 Mon Sep 17 00:00:00 2001 From: Jongpill Lee Date: Fri, 23 Jul 2010 21:33:58 +0900 Subject: ARM: S5P: Add s5p_reset_hook() for perform reset using SWRESET on S5P SoCs This patch adds s5p_reset_hook() which includes software reset by using SWRESET. Signed-off-by: Jongpill Lee Signed-off-by: Kukjin Kim --- arch/arm/plat-s5p/include/plat/reset.h | 16 ++++++++++++++++ arch/arm/plat-s5p/include/plat/system-reset.h | 11 +++++++++-- 2 files changed, 25 insertions(+), 2 deletions(-) create mode 100644 arch/arm/plat-s5p/include/plat/reset.h (limited to 'arch/arm/plat-s5p/include') diff --git a/arch/arm/plat-s5p/include/plat/reset.h b/arch/arm/plat-s5p/include/plat/reset.h new file mode 100644 index 000000000000..335e97812eed --- /dev/null +++ b/arch/arm/plat-s5p/include/plat/reset.h @@ -0,0 +1,16 @@ +/* linux/arch/arm/plat-s5p/include/plat/reset.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * 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 __ASM_PLAT_S5P_RESET_H +#define __ASM_PLAT_S5P_RESET_H __FILE__ + +extern void (*s5p_reset_hook)(void); + +#endif /* __ASM_PLAT_S5P_RESET_H */ diff --git a/arch/arm/plat-s5p/include/plat/system-reset.h b/arch/arm/plat-s5p/include/plat/system-reset.h index 7f76a164c20c..f307f34e6422 100644 --- a/arch/arm/plat-s5p/include/plat/system-reset.h +++ b/arch/arm/plat-s5p/include/plat/system-reset.h @@ -14,10 +14,17 @@ #include +void (*s5p_reset_hook)(void); + static void arch_reset(char mode, const char *cmd) { - /* Perform reset using Watchdog reset. - * SWRESET support will be added later. + /* SWRESET support in s5p_reset_hook() */ + + if (s5p_reset_hook) + s5p_reset_hook(); + + /* Perform reset using Watchdog reset + * if there is no s5p_reset_hook() */ arch_wdt_reset(); -- cgit v1.2.1