diff options
Diffstat (limited to 'cpu/arm920t/s3c24x0')
| -rw-r--r-- | cpu/arm920t/s3c24x0/interrupts.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/cpu/arm920t/s3c24x0/interrupts.c b/cpu/arm920t/s3c24x0/interrupts.c index 868621f..ba835f3 100644 --- a/cpu/arm920t/s3c24x0/interrupts.c +++ b/cpu/arm920t/s3c24x0/interrupts.c @@ -185,4 +185,31 @@ ulong get_tbclk (void) return tbclk; } +/* + * reset the cpu by setting up the watchdog timer and let him time out + */ +void reset_cpu (ulong ignored) +{ + S3C24X0_WATCHDOG * const watchdog; + +#ifdef CONFIG_TRAB + disable_vfd(); +#endif + + watchdog = S3C24X0_GetBase_WATCHDOG(); + + /* Disable watchdog */ + watchdog->WTCON = 0x0000; + + /* Initialize watchdog timer count register */ + watchdog->WTCNT = 0x0001; + + /* Enable watchdog timer; assert reset at timer timeout */ + watchdog->WTCON = 0x0021; + + while(1); /* loop forever and wait for reset to happen */ + + /*NOTREACHED*/ +} + #endif /* defined(CONFIG_S3C2400) || defined (CONFIG_S3C2410) || defined (CONFIG_TRAB) */ |