2 * arch/arm/plat-spear/restart.c
4 * SPEAr platform specific restart functions
6 * Copyright (C) 2009 ST Microelectronics
7 * Viresh Kumar <viresh.linux@gmail.com>
9 * This file is licensed under the terms of the GNU General Public
10 * License version 2. This program is licensed "as is" without any
11 * warranty of any kind, whether express or implied.
14 #include <linux/amba/sp810.h>
15 #include <linux/reboot.h>
16 #include <asm/system_misc.h>
17 #include <mach/spear.h>
20 #define SPEAR13XX_SYS_SW_RES (VA_MISC_BASE + 0x204)
21 void spear_restart(enum reboot_mode mode, const char *cmd)
23 if (mode == REBOOT_SOFT) {
24 /* software reset, Jump into ROM at address 0 */
27 /* hardware reset, Use on-chip reset capability */
28 #ifdef CONFIG_ARCH_SPEAR13XX
29 writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES);
31 #if defined(CONFIG_ARCH_SPEAR3XX) || defined(CONFIG_ARCH_SPEAR6XX)
32 sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);