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1 | /* |
2 | * arch/arm/plat-spear/restart.c | |
3 | * | |
4 | * SPEAr platform specific restart functions | |
5 | * | |
6 | * Copyright (C) 2009 ST Microelectronics | |
da89947b | 7 | * Viresh Kumar <vireshk@kernel.org> |
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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> | |
da660b4a | 14 | #include <linux/amba/sp810.h> |
7b6d864b | 15 | #include <linux/reboot.h> |
9f97da78 | 16 | #include <asm/system_misc.h> |
5019f0b1 | 17 | #include <mach/spear.h> |
2b9c613c | 18 | #include "generic.h" |
dd1661e2 | 19 | |
e3978dc7 | 20 | #define SPEAR13XX_SYS_SW_RES (VA_MISC_BASE + 0x204) |
7b6d864b | 21 | void spear_restart(enum reboot_mode mode, const char *cmd) |
dd1661e2 | 22 | { |
7b6d864b | 23 | if (mode == REBOOT_SOFT) { |
dd1661e2 RK |
24 | /* software reset, Jump into ROM at address 0 */ |
25 | soft_restart(0); | |
26 | } else { | |
27 | /* hardware reset, Use on-chip reset capability */ | |
e3978dc7 VK |
28 | #ifdef CONFIG_ARCH_SPEAR13XX |
29 | writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES); | |
af63275b AB |
30 | #endif |
31 | #if defined(CONFIG_ARCH_SPEAR3XX) || defined(CONFIG_ARCH_SPEAR6XX) | |
dd1661e2 | 32 | sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE); |
e3978dc7 | 33 | #endif |
dd1661e2 RK |
34 | } |
35 | } |