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powerpc: Fix bootm to boot up again with a Ramdisk
[u-boot] / cpu / blackfin / watchdog.c
1 /*
2  * watchdog.c - driver for Blackfin on-chip watchdog
3  *
4  * Copyright (c) 2007-2008 Analog Devices Inc.
5  *
6  * Licensed under the GPL-2 or later.
7  */
8
9 #include <common.h>
10 #include <watchdog.h>
11 #include <asm/blackfin.h>
12
13 #ifdef CONFIG_HW_WATCHDOG
14 void hw_watchdog_reset(void)
15 {
16         bfin_write_WDOG_STAT(0);
17 }
18
19 void hw_watchdog_init(void)
20 {
21         bfin_write_WDOG_CNT(5 * get_sclk());    /* 5 second timeout */
22         hw_watchdog_reset();
23         bfin_write_WDOG_CTL(0x0);
24 }
25 #endif