static void pch_power_options(void)
{
u16 reg16;
const char *state;
/*PMC Controller Device 0x1F, Func 02*/
device_t dev = PCH_DEV_PMC;
/* Get the chip configuration */
config_t *config = dev->chip_info;
int pwr_on = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
/*
* Which state do we want to goto after g3 (power restored)?
* 0 == S0 Full On
* 1 == S5 Soft Off
*
* If the option is not existent (Laptops), use Kconfig setting.
*/
/*TODO: cmos_layout.bin need to verify; cause wrong CMOS setup*/
//get_option(&pwr_on, "power_on_after_fail");
pwr_on = MAINBOARD_POWER_ON;
reg16 = pci_read_config16(dev, GEN_PMCON_B);
reg16 &= 0xfffe;
switch (pwr_on) {
case MAINBOARD_POWER_OFF:
reg16 |= 1;
state = "off";
break;
case MAINBOARD_POWER_ON:
reg16 &= ~1;
state = "on";
break;
case MAINBOARD_POWER_KEEP:
reg16 &= ~1;
state = "state keep";
break;
default:
state = "undefined";
}
pci_write_config16(dev, GEN_PMCON_B, reg16);
printk(BIOS_INFO, "Set power %s after power failure.\n", state);
/* GPE setup based on device tree configuration */
enable_all_gpe(config->gpe0_en_1, config->gpe0_en_2,
config->gpe0_en_3, config->gpe0_en_4);
/* SMI setup based on device tree configuration */
enable_alt_smi(config->ec_smi_gpio, config->alt_gp_smi_en);
}
static int pch_power_options(struct udevice *dev)
{
int pwr_on_after_power_fail = MAINBOARD_POWER_OFF;
const char *state;
u32 enable[4];
u16 reg16;
int ret;
dm_pci_read_config16(dev, GEN_PMCON_3, ®16);
reg16 &= 0xfffe;
switch (pwr_on_after_power_fail) {
case MAINBOARD_POWER_OFF:
reg16 |= 1;
state = "off";
break;
case MAINBOARD_POWER_ON:
reg16 &= ~1;
state = "on";
break;
case MAINBOARD_POWER_KEEP:
reg16 &= ~1;
state = "state keep";
break;
default:
state = "undefined";
}
dm_pci_write_config16(dev, GEN_PMCON_3, reg16);
debug("Set power %s after power failure.\n", state);
/* GPE setup based on device tree configuration */
ret = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(dev),
"intel,gpe0-en", enable, ARRAY_SIZE(enable));
if (ret)
return -EINVAL;
enable_all_gpe(enable[0], enable[1], enable[2], enable[3]);
/* SMI setup based on device tree configuration */
enable_alt_smi(dev, fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev),
"intel,alt-gp-smi-enable", 0));
return 0;
}
