static void wb_smsc_wdt_initialize(void)
{
	unsigned char old;

	spin_lock(&io_lock);
	open_io_config();
	select_io_device(IODEV_NO);

	
	gpio_bit13(0x08);  
	gpio_bit12(0x0A);  
	
	wdt_timeout_value(0);

	
	wdt_timer_ctrl(0x00);

	
	wdt_timer_conf(0x00);

	
	old = read_io_cr(0xF1) & 0x7F;
	if (unit == UNIT_SECOND)
		old |= 0x80;	

	
	wdt_timer_units(old);

	close_io_config();
	spin_unlock(&io_lock);
}
static void wb_smsc_wdt_initialize(void)
{
	unsigned char old;

	spin_lock(&io_lock);
	open_io_config();
	select_io_device(IODEV_NO);

	/* enable the watchdog */
	gpio_bit13(0x08);  /* Select pin 80 = LED not GPIO */
	gpio_bit12(0x0A);  /* Set pin 79 = WDT not
			      GPIO/Output/Polarity=Invert */
	/* disable the timeout */
	wdt_timeout_value(0);

	/* reset control register */
	wdt_timer_ctrl(0x00);

	/* reset configuration register */
	wdt_timer_conf(0x00);

	/* read old (timer units) register */
	old = read_io_cr(0xF1) & 0x7F;
	if (unit == UNIT_SECOND)
		old |= 0x80;	/* set to seconds */

	/* set the watchdog timer units */
	wdt_timer_units(old);

	close_io_config();
	spin_unlock(&io_lock);
}
static void wb_smsc_wdt_reset_timer(void)
{
	spin_lock(&io_lock);
	open_io_config();
	select_io_device(IODEV_NO);

	
	wdt_timeout_value(timeout);
	wdt_timer_conf(0x08);

	close_io_config();
	spin_unlock(&io_lock);
}
static void wb_smsc_wdt_set_timeout(unsigned char new_timeout)
{
	spin_lock(&io_lock);
	open_io_config();
	select_io_device(IODEV_NO);

	
	wdt_timer_ctrl((new_timeout == 0) ? 0x00 : 0x02);

	
	wdt_timeout_value(new_timeout);

	close_io_config();
	spin_unlock(&io_lock);
}
static void wb_smsc_wdt_set_timeout(unsigned char new_timeout)
{
	spin_lock(&io_lock);
	open_io_config();
	select_io_device(IODEV_NO);

	/* set Power LED to blink, if we enable the timeout */
	wdt_timer_ctrl((new_timeout == 0) ? 0x00 : 0x02);

	/* set timeout value */
	wdt_timeout_value(new_timeout);

	close_io_config();
	spin_unlock(&io_lock);
}
static void wb_smsc_wdt_shutdown(void)
{
	spin_lock(&io_lock);
	open_io_config();
	select_io_device(IODEV_NO);

	
	gpio_bit13(0x09);
	gpio_bit12(0x09);

	
	wdt_timer_conf(0x00);

	
	wdt_timer_ctrl(0x00);

	
	wdt_timeout_value(0x00);

	close_io_config();
	spin_unlock(&io_lock);
}
static void wb_smsc_wdt_shutdown(void)
{
	spin_lock(&io_lock);
	open_io_config();
	select_io_device(IODEV_NO);

	/* disable the watchdog */
	gpio_bit13(0x09);
	gpio_bit12(0x09);

	/* reset watchdog config register */
	wdt_timer_conf(0x00);

	/* reset watchdog control register */
	wdt_timer_ctrl(0x00);

	/* disable timeout */
	wdt_timeout_value(0x00);

	close_io_config();
	spin_unlock(&io_lock);
}