void set_power_led(int state)
{
switch (state) {
case LED_ON:
case LED_OFF:
it8772f_gpio_led(IT8772F_GPIO_DEV,
2 /* set */,
0xF7 /* select */,
state /* polarity: state dependent */,
0x00 /* 0=pulldown */,
0x04 /* output */,
0x04 /* 1=Simple IO function */,
SIO_GPIO_BLINK_GPIO22,
IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
break;
case LED_BLINK:
it8772f_gpio_led(IT8772F_GPIO_DEV,
2 /* set */,
0xF7 /* select */,
0x04 /* polarity */,
0x04 /* 1=pullup */,
0x04 /* output */,
0x00, /* 0=Alternate function */
SIO_GPIO_BLINK_GPIO22,
IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
break;
}
}
static void setup_sio_gpios(void)
{
/*
* GPIO10 as USBPWRON12#
* GPIO12 as USBPWRON13#
*/
it8772f_gpio_setup(DUMMY_DEV, 1, 0x05, 0x05, 0x00, 0x05, 0x05);
/*
* GPIO22 as wake SCI#
*/
it8772f_gpio_setup(DUMMY_DEV, 2, 0x04, 0x04, 0x00, 0x04, 0x04);
/*
* GPIO32 as EXTSMI#
*/
it8772f_gpio_setup(DUMMY_DEV, 3, 0x04, 0x04, 0x00, 0x04, 0x04);
/*
* GPIO45 as LED_POWER#
*/
it8772f_gpio_led(DUMMY_DEV, 4 /* set */, (0x1<<5) /* select */,
0x00 /* polarity: non-inverting */, 0x00 /* 0=pulldown */,
(0x1<<5) /* output */, (0x1<<5) /* 1=Simple IO function */,
SIO_GPIO_BLINK_GPIO45, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
/*
* GPIO51 as USBPWRON8#
* GPIO52 as USBPWRON1#
*/
it8772f_gpio_setup(DUMMY_DEV, 5, 0x06, 0x06, 0x00, 0x06, 0x06);
it8772f_gpio_setup(DUMMY_DEV, 6, 0x00, 0x00, 0x00, 0x00, 0x00);
}
void mainboard_smi_sleep(u8 slp_typ)
{
/* Disable USB charging if required */
switch (slp_typ) {
case 3:
it8772f_gpio_led(IT8772F_GPIO_DEV, 1 /* set */, 0x01 /* select */,
0x01 /* polarity */, 0x01 /* 1=pullup */,
0x01 /* output */, 0x00, /* 0=Alternate function */
SIO_GPIO_BLINK_GPIO10, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
break;
case 5:
it8772f_gpio_led(IT8772F_GPIO_DEV, 1 /* set */, 0x01 /* select */,
0x00 /* polarity: non-inverting */, 0x00 /* 0=pulldown */,
0x01 /* output */, 0x01 /* 1=Simple IO function */,
SIO_GPIO_BLINK_GPIO10, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
break;
default:
break;
}
return;
}
/*
* Change LED_POWER# (SIO GPIO 45) state based on sleep type.
*/
void mainboard_smi_sleep(u8 slp_typ)
{
printk(BIOS_DEBUG, "SMI: sleep S%d\n", slp_typ);
switch (slp_typ) {
case ACPI_S3:
case ACPI_S4:
it8772f_gpio_led(DUMMY_DEV, 4 /* set */, (0x1 << 5) /* select */,
(0x1 << 5) /* polarity */, (0x1 << 5) /* 1 = pullup */,
(0x1 << 5) /* output */, 0x00, /* 0 = Alternate function */
SIO_GPIO_BLINK_GPIO45, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
break;
case ACPI_S5:
it8772f_gpio_led(DUMMY_DEV, 4 /* set */, (0x1 << 5) /* select */,
0x00 /* polarity: non-inverting */, 0x00 /* 0 = pulldown */,
(0x1 << 5) /* output */, (0x1 << 5) /* 1 = Simple IO function */,
SIO_GPIO_BLINK_GPIO45, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
break;
default:
break;
}
}
void set_power_led(int state)
{
int polarity;
if (IS_ENABLED(CONFIG_BOARD_GOOGLE_TIDUS)) {
polarity = state == LED_OFF ? 0x00 : 0x01;
} else {
polarity = state == LED_BLINK ? 0x01 : 0x00;
}
it8772f_gpio_led(IT8772F_GPIO_DEV,
1, /* set */
0x01, /* select */
polarity, /* polarity */
state == LED_BLINK ? 0x01 : 0x00, /* pullup/pulldown */
0x01, /* output */
state == LED_BLINK ? 0x00 : 0x01, /* I/O function */
SIO_GPIO_BLINK_GPIO10,
IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
}
void mainboard_romstage_entry(unsigned long bist)
{
struct pei_data pei_data = {
.pei_version = PEI_VERSION,
.mchbar = (uintptr_t)DEFAULT_MCHBAR,
.dmibar = (uintptr_t)DEFAULT_DMIBAR,
.epbar = DEFAULT_EPBAR,
.pciexbar = DEFAULT_PCIEXBAR,
.smbusbar = SMBUS_IO_BASE,
.wdbbar = 0x4000000,
.wdbsize = 0x1000,
.hpet_address = HPET_ADDR,
.rcba = (uintptr_t)DEFAULT_RCBA,
.pmbase = DEFAULT_PMBASE,
.gpiobase = DEFAULT_GPIOBASE,
.temp_mmio_base = 0xfed08000,
.system_type = 5, /* ULT */
.tseg_size = CONFIG_SMM_TSEG_SIZE,
.spd_addresses = { 0xa0, 0x00, 0xa4, 0x00 },
.ec_present = 0,
// 0 = leave channel enabled
// 1 = disable dimm 0 on channel
// 2 = disable dimm 1 on channel
// 3 = disable dimm 0+1 on channel
.dimm_channel0_disabled = 2,
.dimm_channel1_disabled = 2,
// Enable 2x refresh mode
.ddr_refresh_2x = 1,
.dq_pins_interleaved = 1,
.max_ddr3_freq = 1600,
.usb_xhci_on_resume = 1,
.usb2_ports = {
/* Length, Enable, OCn#, Location */
{ 0x0064, 1, 0, /* P0: VP8 */
USB_PORT_MINI_PCIE },
{ 0x0040, 1, 0, /* P1: Port A, CN22 */
USB_PORT_INTERNAL },
{ 0x0040, 1, 1, /* P2: Port B, CN23 */
USB_PORT_INTERNAL },
{ 0x0040, 1, USB_OC_PIN_SKIP, /* P3: WLAN */
USB_PORT_INTERNAL },
{ 0x0040, 1, 2, /* P4: Port C, CN25 */
USB_PORT_INTERNAL },
{ 0x0040, 1, 2, /* P5: Port D, CN25 */
USB_PORT_INTERNAL },
{ 0x0040, 1, USB_OC_PIN_SKIP, /* P6: Card Reader */
USB_PORT_INTERNAL },
{ 0x0000, 0, 0, /* P7: N/C */
USB_PORT_SKIP },
},
.usb3_ports = {
/* Enable, OCn# */
{ 1, 0 }, /* P1; CN22 */
{ 1, 1 }, /* P2; CN23 */
{ 1, 2 }, /* P3; CN25 */
{ 1, 2 }, /* P4; CN25 */
},
};
struct romstage_params romstage_params = {
.pei_data = &pei_data,
.gpio_map = &mainboard_gpio_map,
.rcba_config = &rcba_config[0],
.bist = bist,
};
/* Early SuperIO setup */
ite_kill_watchdog(IT8772F_GPIO_DEV);
it8772f_ac_resume_southbridge(IT8772F_DUMMY_DEV);
pch_enable_lpc();
ite_enable_serial(IT8772F_SERIAL_DEV, CONFIG_TTYS0_BASE);
/* Turn on Power LED GP22 for Tricky */
it8772f_gpio_led(IT8772F_GPIO_DEV, 2 /* set */, 0xF7 /* select */,
0x04 /* polarity: inverting */, 0x00 /* 0=pulldown */,
0x04 /* output */, 0x04 /* 1=Simple IO function */,
SIO_GPIO_BLINK_GPIO22, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
/* Call into the real romstage main with this board's attributes. */
romstage_common(&romstage_params);
}
