void it8712f_kill_watchdog(void)
{
it8712f_enter_conf();
/* Kill the Watchdog */
it8712f_sio_write(0x07, IT8712F_CONFIG_REG_WATCHDOG, 0x00);
it8712f_exit_conf();
}
void it8712f_24mhz_clkin(void)
{
it8712f_enter_conf();
/* Select 24MHz CLKIN (48MHZ default)*/
it8712f_sio_write(0x00, IT8712F_CONFIG_REG_CLOCKSEL, 0x1);
it8712f_exit_conf();
}
/* Mainboard specific GPIO setup. */
static void mb_gpio_init(u16 *iobase)
{
/* Init Super I/O GPIOs. */
it8712f_enter_conf();
outb(IT8712F_CONFIG_REG_LDN, SIO_INDEX);
outb(IT8712F_GPIO, SIO_DATA);
outb(0x62, SIO_INDEX);
outb((*iobase >> 8), SIO_DATA);
outb(0x63, SIO_INDEX);
outb((*iobase & 0xff), SIO_DATA);
it8712f_exit_conf();
}
/* Early mainboard specific GPIO setup. */
static void mb_gpio_init(void)
{
int i;
/* Init Super I/O WDT, GPIOs. Done early, WDT init may trigger reset! */
it8712f_enter_conf();
for (i = 0; i < ARRAY_SIZE(sio_init_table); i++) {
u16 val = sio_init_table[i];
outb((u8)val, SIO_INDEX);
outb(val >> 8, SIO_DATA);
}
it8712f_exit_conf();
}
void it8712f_enable_3vsbsw(void)
{
/* We need to set enable 3VSBSW#, this was documented only in IT8712F_V0.9.2!
LDN 7, reg 0x2a - needed for S3, or memory power will be cut off.
Enable 3VSBSW#. (For System Suspend-to-RAM)
0: 3VSBSW# will be always inactive.
1: 3VSBSW# enabled. It will be (NOT SUSB#) NAND SUSC#.
*/
it8712f_enter_conf();
it8712f_sio_write(0x07, IT8712F_CONFIG_REG_MFC, 0x80);
it8712f_exit_conf();
}
/* Enable the peripheral devices on the IT8712F Super I/O chip. */
void it8712f_enable_serial(device_t dev, unsigned iobase)
{
/* (1) Enter the configuration state (MB PnP mode). */
it8712f_enter_conf();
/* (2) Modify the data of configuration registers. */
/* Select the chip to configure (if there's more than one).
Set bit 7 to select JP3=1, clear bit 7 to select JP3=0.
If this register is not written, both chips are configured. */
/* it8712f_sio_write(0x00, IT8712F_CONFIG_REG_CONFIGSEL, 0x00); */
/* Enable serial port(s). */
it8712f_sio_write(IT8712F_SP1, 0x30, 0x1); /* Serial port 1 */
it8712f_sio_write(IT8712F_SP2, 0x30, 0x1); /* Serial port 2 */
/* Clear software suspend mode (clear bit 0). TODO: Needed? */
/* it8712f_sio_write(0x00, IT8712F_CONFIG_REG_SWSUSP, 0x00); */
/* (3) Exit the configuration state (MB PnP mode). */
it8712f_exit_conf();
}
