nfsd: simplify NFSv4 state init and shutdown
[linux-2.6/libata-dev.git] / arch / arm / plat-spear / restart.c
blob4f990115b1bd7070c3092f3b768a7cce7e6f94a0
1 /*
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.
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>
19 #define SPEAR13XX_SYS_SW_RES (VA_MISC_BASE + 0x204)
20 void spear_restart(char mode, const char *cmd)
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