| Linus Walleij | bb3cee2 | 2009-04-23 10:22:13 +0100 | [diff] [blame] | 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 */ |
| 17 | void coh901327_watchdog_reset(void); |
| 18 | |
| 19 | static inline void arch_idle(void) |
| 20 | { |
| 21 | cpu_do_idle(); |
| 22 | } |
| 23 | |
| 24 | static 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 | } |