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/*
* arch/arm/plat-spear/restart.c
*
* SPEAr platform specific restart functions
*
* Copyright (C) 2009 ST Microelectronics
* Viresh Kumar <vireshk@kernel.org>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/io.h>
#include <linux/amba/sp810.h>
#include <linux/reboot.h>
#include <asm/system_misc.h>
#include <mach/spear.h>
#include "generic.h"
#define SPEAR13XX_SYS_SW_RES (VA_MISC_BASE + 0x204)
void spear_restart(enum reboot_mode mode, const char *cmd)
{
if (mode == REBOOT_SOFT) {
/* software reset, Jump into ROM at address 0 */
soft_restart(0);
} else {
/* hardware reset, Use on-chip reset capability */
#ifdef CONFIG_ARCH_SPEAR13XX
writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES);
#endif
#if defined(CONFIG_ARCH_SPEAR3XX) || defined(CONFIG_ARCH_SPEAR6XX)
sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
#endif
}
}
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