1/* 2 * 3 * arch/arm/mach-u300/include/mach/system.h 4 * 5 * 6 * Copyright (C) 2007-2009 ST-Ericsson AB 7 * License terms: GNU General Public License (GPL) version 2 8 * System shutdown and reset functions. 9 * Author: Linus Walleij <linus.walleij@stericsson.com> 10 */ 11#include <mach/hardware.h> 12#include <asm/io.h> 13#include <asm/hardware/vic.h> 14#include <asm/irq.h> 15 16/* Forward declare this function from the watchdog */ 17void coh901327_watchdog_reset(void); 18 19static inline void arch_idle(void) 20{ 21 cpu_do_idle(); 22} 23 24static void arch_reset(char mode, const char *cmd) 25{ 26 switch (mode) { 27 case 's': 28 case 'h': 29 printk(KERN_CRIT "RESET: shutting down/rebooting system\n"); 30 /* Disable interrupts */ 31 local_irq_disable(); 32#ifdef CONFIG_COH901327_WATCHDOG 33 coh901327_watchdog_reset(); 34#endif 35 break; 36 default: 37 /* Do nothing */ 38 break; 39 } 40 /* Wait for system do die/reset. */ 41 while (1); 42} 43