u-boot/board/dvlhost/watchdog.c

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/*
* (C) Copyright 2009
* Michael Schwingen, michael@schwingen.org
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <config.h>
#include <asm/io.h>
#include "dvlhost_hw.h"
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_HW_WATCHDOG
#include <watchdog.h>
#include <asm/arch/ixp425.h>
void hw_watchdog_reset(void)
{
unsigned int x;
x = readl(IXP425_GPIO_GPOUTR);
x ^= (1 << (CONFIG_SYS_GPIO_WDGTRIGGER));
writel(x, IXP425_GPIO_GPOUTR);
}
#endif /* CONFIG_HW_WATCHDOG */