From d4156d52c7464e8f25a286e1c2975e91bdbc35d6 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Thu, 15 Feb 2007 22:52:15 +0100 Subject: [PATCH] [ARM] 4204/1: S3C24XX: add hook to specify cpu reset Add hook code to specify cpu specific reset call Signed-off-by: Ben Dooks Signed-off-by: Russell King --- include/asm-arm/arch-s3c2410/reset.h | 22 ++++++++++++++++++++++ include/asm-arm/arch-s3c2410/system.h | 6 +++++- 2 files changed, 27 insertions(+), 1 deletion(-) create mode 100644 include/asm-arm/arch-s3c2410/reset.h diff --git a/include/asm-arm/arch-s3c2410/reset.h b/include/asm-arm/arch-s3c2410/reset.h new file mode 100644 index 00000000000..4f866cdecab --- /dev/null +++ b/include/asm-arm/arch-s3c2410/reset.h @@ -0,0 +1,22 @@ +/* linux/include/asm-arm/arch-s3c2410/reset.h + * + * Copyright (c) 2007 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * 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. + * + * S3C2410 CPU reset controls +*/ + +#ifndef __ASM_ARCH_RESET_H +#define __ASM_ARCH_RESET_H __FILE__ + +/* This allows the over-ride of the default reset code +*/ + +extern void (*s3c24xx_reset_hook)(void); + +#endif /* __ASM_ARCH_RESET_H */ diff --git a/include/asm-arm/arch-s3c2410/system.h b/include/asm-arm/arch-s3c2410/system.h index 41aeb731c5a..1c74ef17da3 100644 --- a/include/asm-arm/arch-s3c2410/system.h +++ b/include/asm-arm/arch-s3c2410/system.h @@ -15,11 +15,13 @@ #include #include +#include #include #include void (*s3c24xx_idle)(void); +void (*s3c24xx_reset_hook)(void); void s3c24xx_default_idle(void) { @@ -54,7 +56,6 @@ static void arch_idle(void) s3c24xx_default_idle(); } - static void arch_reset(char mode) { @@ -62,6 +63,9 @@ arch_reset(char mode) cpu_reset(0); } + if (s3c24xx_reset_hook) + s3c24xx_reset_hook(); + printk("arch_reset: attempting watchdog reset\n"); __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */ -- 2.41.1