diff options
Diffstat (limited to 'src/soc/intel/cannonlake/pmc.c')
| -rw-r--r-- | src/soc/intel/cannonlake/pmc.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/pmc.c b/src/soc/intel/cannonlake/pmc.c index 931c4af89b..5cd31f9f97 100644 --- a/src/soc/intel/cannonlake/pmc.c +++ b/src/soc/intel/cannonlake/pmc.c @@ -62,6 +62,21 @@ void pmc_soc_restore_power_failure(void) pmc_set_afterg3(PCH_DEV_PMC, CONFIG_MAINBOARD_POWER_FAILURE_STATE); } +static void pm1_enable_pwrbtn_smi(void *unused) +{ + /* + * Enable power button SMI only before jumping to payload. This ensures + * that: + * 1. Power button SMI is enabled only after coreboot is done. + * 2. On resume path, power button SMI is not enabled and thus avoids + * any shutdowns because of power button presses due to power button + * press in resume path. + */ + pmc_update_pm1_enable(PWRBTN_EN); +} + +BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_LOAD, BS_ON_EXIT, pm1_enable_pwrbtn_smi, NULL); + static void config_deep_sX(uint32_t offset, uint32_t mask, int sx, int enable) { uint32_t reg; |