int gpio_direction_output(unsigned pin, int value)
{
unsigned long flags;
int mask;
if (pin >= GPIO_MAX || !test_bit(pin, gpio_valid)) {
pr_debug("%s: invalid GPIO %d\n", __func__, pin);
return -EINVAL;
}
spin_lock_irqsave(&gpio_lock, flags);
/*
* Some callers might have not used the gpio_request(),
* so flag this pin as requested now.
*/
if (!gpio_label[pin])
gpio_label[pin] = "?";
mask = 1 << pin;
orion5x_clrbits(GPIO_BLINK_EN, mask);
if (value)
orion5x_setbits(GPIO_OUT, mask);
else
orion5x_clrbits(GPIO_OUT, mask);
orion5x_clrbits(GPIO_IO_CONF, mask);
spin_unlock_irqrestore(&gpio_lock, flags);
return 0;
}
void orion5x_gpio_set_blink(unsigned pin, int blink)
{
unsigned long flags;
int mask = 1 << pin;
spin_lock_irqsave(&gpio_lock, flags);
orion5x_clrbits(GPIO_OUT, mask);
if (blink)
orion5x_setbits(GPIO_BLINK_EN, mask);
else
orion5x_clrbits(GPIO_BLINK_EN, mask);
spin_unlock_irqrestore(&gpio_lock, flags);
}
void orion5x_restart(char mode, const char *cmd)
{
orion5x_setbits(RSTOUTn_MASK, (1 << 2));
orion5x_setbits(CPU_SOFT_RESET, 1);
mdelay(200);
orion5x_clrbits(CPU_SOFT_RESET, 1);
}
void orion5x_restart(enum reboot_mode mode, const char *cmd)
{
/*
* Enable and issue soft reset
*/
orion5x_setbits(RSTOUTn_MASK, (1 << 2));
orion5x_setbits(CPU_SOFT_RESET, 1);
mdelay(200);
orion5x_clrbits(CPU_SOFT_RESET, 1);
}
