diff options
Diffstat (limited to 'cpu/blackfin/watchdog.c')
-rw-r--r-- | cpu/blackfin/watchdog.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/cpu/blackfin/watchdog.c b/cpu/blackfin/watchdog.c new file mode 100644 index 00000000000..b47c6b688d4 --- /dev/null +++ b/cpu/blackfin/watchdog.c @@ -0,0 +1,25 @@ +/* + * watchdog.c - driver for Blackfin on-chip watchdog + * + * Copyright (c) 2007-2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <watchdog.h> +#include <asm/blackfin.h> + +#ifdef CONFIG_HW_WATCHDOG +void hw_watchdog_reset(void) +{ + bfin_write_WDOG_STAT(0); +} + +void hw_watchdog_init(void) +{ + bfin_write_WDOG_CNT(5 * get_sclk()); /* 5 second timeout */ + hw_watchdog_reset(); + bfin_write_WDOG_CTL(0x0); +} +#endif |