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/* * arch/arm/plat-spear/restart.c * * SPEAr platform specific restart functions * * Copyright (C) 2009 ST Microelectronics * Viresh Kumar <vireshk@kernel.org> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. */ #include <linux/io.h> #include <linux/amba/sp810.h> #include <linux/reboot.h> #include <asm/system_misc.h> #include <mach/spear.h> #include "generic.h" #define SPEAR13XX_SYS_SW_RES (VA_MISC_BASE + 0x204) void spear_restart(enum reboot_mode mode, const char *cmd) { if (mode == REBOOT_SOFT) { /* software reset, Jump into ROM at address 0 */ soft_restart(0); } else { /* hardware reset, Use on-chip reset capability */ #ifdef CONFIG_ARCH_SPEAR13XX writel_relaxed(0x01, SPEAR13XX_SYS_SW_RES); #endif #if defined(CONFIG_ARCH_SPEAR3XX) || defined(CONFIG_ARCH_SPEAR6XX) sysctl_soft_reset((void __iomem *)VA_SPEAR_SYS_CTRL_BASE); #endif } } |