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/*
* watchdog.c - driver for Blackfin on-chip watchdog
*
* Copyright (c) 2007-2009 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#include <common.h>
#include <watchdog.h>
#include <asm/blackfin.h>
#include <asm/clock.h>
#include <asm/mach-common/bits/watchdog.h>
void hw_watchdog_reset(void)
{
bfin_write_WDOG_STAT(0);
}
void hw_watchdog_init(void)
{
bfin_write_WDOG_CTL(WDDIS);
SSYNC();
bfin_write_WDOG_CNT(CONFIG_WATCHDOG_TIMEOUT_MSECS / 1000 * get_sclk());
hw_watchdog_reset();
bfin_write_WDOG_CTL(WDEN);
}
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