diff options
Diffstat (limited to 'src/superio/ite/common/env_ctrl.c')
| -rw-r--r-- | src/superio/ite/common/env_ctrl.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/superio/ite/common/env_ctrl.c b/src/superio/ite/common/env_ctrl.c index 105d6da8cff3..c6b5ef04d525 100644 --- a/src/superio/ite/common/env_ctrl.c +++ b/src/superio/ite/common/env_ctrl.c @@ -4,6 +4,7 @@ #include <delay.h> #include <stddef.h> #include <superio/hwm5_conf.h> +#include <option.h> #include "env_ctrl.h" #include "env_ctrl_chip.h" @@ -374,3 +375,30 @@ void ite_ec_init(const u16 base, const struct ite_ec_config *const conf) if (conf->tmpin[i].mode == THERMAL_PECI) extemp_force_idle_status(base); } + +void ite_ec_set_power_state(struct device *dev) +{ + uint8_t power_status; + uint8_t reg_pcr1, reg_pcr2; + + /* Set power state after power fail */ + power_status = get_uint_option("power_on_after_fail", + CONFIG_MAINBOARD_POWER_FAILURE_STATE); + pnp_enter_conf_mode(dev); + pnp_set_logical_device(dev); + reg_pcr1 = pnp_read_config(dev, ITE_EC_REG_PCR1); + reg_pcr2 = pnp_read_config(dev, ITE_EC_REG_PCR2); + if (power_status == MAINBOARD_POWER_ON) { + reg_pcr2 |= (1 << 5); + } else if (power_status == MAINBOARD_POWER_KEEP) { + reg_pcr2 &= ~(1 << 5); + reg_pcr1 |= (1 << 5); + } else { + reg_pcr2 &= ~(1 << 5); + reg_pcr1 &= ~(1 << 5); + } + pnp_write_config(dev, ITE_EC_REG_PCR1, reg_pcr1); + pnp_write_config(dev, ITE_EC_REG_PCR2, reg_pcr2); + pnp_exit_conf_mode(dev); + printk(BIOS_INFO, "set power %u after power fail\n", power_status); +} |