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[ARM] 4204/1: S3C24XX: add hook to specify cpu reset

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Add hook code to specify cpu specific reset call

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Ben Dooks 2007-02-15 22:52:15 +01:00 committed by Russell King
parent d9c0ebbda5
commit d4156d52c7
2 changed files with 27 additions and 1 deletions
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22
include/asm-arm/arch-s3c2410/reset.h Normal file
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@ -0,0 +1,22 @@
/* linux/include/asm-arm/arch-s3c2410/reset.h
*
* Copyright (c) 2007 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* 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 */

6
include/asm-arm/arch-s3c2410/system.h
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@ -15,11 +15,13 @@
#include <asm/arch/map.h>
#include <asm/arch/idle.h>
#include <asm/arch/reset.h>
#include <asm/arch/regs-watchdog.h>
#include <asm/arch/regs-clock.h>
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 */