diff options
Diffstat (limited to 'src/superio')
| -rw-r--r-- | src/superio/ite/it8728f/superio.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/superio/ite/it8728f/superio.c b/src/superio/ite/it8728f/superio.c index 5e4c2fddb8..f3bdd85b49 100644 --- a/src/superio/ite/it8728f/superio.c +++ b/src/superio/ite/it8728f/superio.c @@ -5,14 +5,21 @@ #include <superio/conf_mode.h> #include <pc80/keyboard.h> #include <superio/ite/common/env_ctrl.h> +#include <option.h> #include "chip.h" #include "it8728f.h" +#define MAINBOARD_POWER_OFF 0 +#define MAINBOARD_POWER_ON 1 +#define MAINBOARD_POWER_KEEP 2 + static void it8728f_init(struct device *dev) { const struct superio_ite_it8728f_config *conf = dev->chip_info; const struct resource *res; + uint8_t power_status; + uint8_t byte_f2, byte_f4; if (!dev->enabled) return; @@ -24,6 +31,28 @@ static void it8728f_init(struct device *dev) if (!conf || !res) break; ite_ec_init(res->base, &conf->ec); + + /* 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); + byte_f4 = pnp_read_config(dev, 0xf4); + byte_f2 = pnp_read_config(dev, 0xf2); + if (power_status == MAINBOARD_POWER_ON) { + byte_f4 |= 0x20; + } else if (power_status == MAINBOARD_POWER_KEEP) { + byte_f4 &= ~0x20; + byte_f2 |= 0x20; + } else { + byte_f4 &= ~0x20; + byte_f2 &= ~0x20; + } + pnp_write_config(dev, 0xf4, byte_f4); + pnp_write_config(dev, 0xf2, byte_f2); + pnp_exit_conf_mode(dev); + printk(BIOS_INFO, "set power %u after power fail\n", power_status); + break; case IT8728F_KBCK: set_kbc_ps2_mode(); |