/*
 * This file is part of the LinuxBIOS project.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <console/console.h>
#include <arch/io.h>
#include <device/device.h>
#include <device/pci.h>

void watchdog_off(void)
{
        device_t dev;
        unsigned long value,base;

	/* turn off the ICH5 watchdog */
        dev = dev_find_slot(0, PCI_DEVFN(0x1f,0));
        /* Enable I/O space */
        value = pci_read_config16(dev, 0x04);
        value |= (1 << 10);
        pci_write_config16(dev, 0x04, value);
        /* Get TCO base */
        base = (pci_read_config32(dev, 0x40) & 0x0fffe) + 0x60;
        /* Disable the watchdog timer */
        value = inw(base + 0x08);
        value |= 1 << 11;
        outw(value, base + 0x08);
        /* Clear TCO timeout status */
        outw(0x0008, base + 0x04);
        outw(0x0002, base + 0x06);
        printk_debug("Watchdog ICH5 disabled\r\n");
}