Merge branch 'fixes_for-3.6' into next
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / arm / plat-spear / restart.c
1 /*
2  * arch/arm/plat-spear/restart.c
3  *
4  * SPEAr platform specific restart functions
5  *
6  * Copyright (C) 2009 ST Microelectronics
7  * Viresh Kumar <viresh.linux@gmail.com>
8  *
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.
12  */
13 #include <linux/io.h>
14 #include <asm/system_misc.h>
15 #include <asm/hardware/sp810.h>
16 #include <mach/spear.h>
17 #include <mach/generic.h>
18
19 #define SPEAR13XX_SYS_SW_RES                    (VA_MISC_BASE + 0x204)
20 void spear_restart(char mode, const char *cmd)
21 {
22         if (mode == 's') {
23                 /* software reset, Jump into ROM at address 0 */
24                 soft_restart(0);
25         } else {
26                 /* hardware reset, Use on-chip reset capability */
27 #ifdef CONFIG_ARCH_SPEAR13XX
28                 writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES);
29 #else
30                 sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE);
31 #endif
32         }
33 }