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dd1661e2 RK |
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.kumar@st.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> | |
9f97da78 | 14 | #include <asm/system_misc.h> |
dd1661e2 | 15 | #include <asm/hardware/sp810.h> |
5019f0b1 | 16 | #include <mach/spear.h> |
dd1661e2 RK |
17 | #include <mach/generic.h> |
18 | ||
e3978dc7 | 19 | #define SPEAR13XX_SYS_SW_RES (VA_MISC_BASE + 0x204) |
dd1661e2 RK |
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 */ | |
e3978dc7 VK |
27 | #ifdef CONFIG_ARCH_SPEAR13XX |
28 | writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES); | |
29 | #else | |
dd1661e2 | 30 | sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE); |
e3978dc7 | 31 | #endif |
dd1661e2 RK |
32 | } |
33 | } |