You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
33 lines
908 B
33 lines
908 B
/*
|
|
* 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 <asm/system_misc.h>
|
|
#include <asm/hardware/sp810.h>
|
|
#include <mach/spear.h>
|
|
#include <mach/generic.h>
|
|
|
|
#define SPEAR13XX_SYS_SW_RES (VA_MISC_BASE + 0x204)
|
|
void spear_restart(char mode, const char *cmd)
|
|
{
|
|
if (mode == 's') {
|
|
/* 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);
|
|
#else
|
|
sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
|
|
#endif
|
|
}
|
|
}
|
|
|