36 lines
1015 B
C
36 lines
1015 B
C
/*
|
|
* arch/arm/plat-spear/restart.c
|
|
*
|
|
* SPEAr platform specific restart functions
|
|
*
|
|
* Copyright (C) 2009 ST Microelectronics
|
|
* Viresh Kumar <viresh.linux@gmail.com>
|
|
*
|
|
* 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
|
|
}
|
|
}
|