diff options
Diffstat (limited to 'arch/arm/mach-u300/include/mach/system.h')
-rw-r--r-- | arch/arm/mach-u300/include/mach/system.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-u300/include/mach/system.h b/arch/arm/mach-u300/include/mach/system.h new file mode 100644 index 000000000000..8daf13634ce0 --- /dev/null +++ b/arch/arm/mach-u300/include/mach/system.h | |||
@@ -0,0 +1,42 @@ | |||
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 | } | ||