diff --git a/src/soc/intel/pantherlake/chip.h b/src/soc/intel/pantherlake/chip.h index cb37155adb..d9da2d1b26 100644 --- a/src/soc/intel/pantherlake/chip.h +++ b/src/soc/intel/pantherlake/chip.h @@ -651,6 +651,10 @@ struct soc_intel_pantherlake_config { * as per `enum slew_rate` data type. */ uint8_t slow_slew_rate_config[NUM_VR_DOMAINS]; + /* P-cores Hysteresis time window ranges from 1 to 50 ms. */ + uint8_t pcore_hysteresis_window_ms; + /* E-cores Hysteresis time window ranges from 1 to 50 ms. */ + uint8_t ecore_hysteresis_window_ms; uint16_t max_dram_speed_mts; diff --git a/src/soc/intel/pantherlake/romstage/fsp_params.c b/src/soc/intel/pantherlake/romstage/fsp_params.c index 30b4eac48a..2a30bd3599 100644 --- a/src/soc/intel/pantherlake/romstage/fsp_params.c +++ b/src/soc/intel/pantherlake/romstage/fsp_params.c @@ -363,6 +363,8 @@ static void fill_fspm_acoustic_params(FSP_M_CONFIG *m_cfg, return; m_cfg->AcousticNoiseMitigation = config->enable_acoustic_noise_mitigation; + m_cfg->PcoreHysteresisWindow = config->pcore_hysteresis_window_ms; + m_cfg->EcoreHysteresisWindow = config->ecore_hysteresis_window_ms; for (size_t i = 0; i < ARRAY_SIZE(config->disable_fast_pkgc_ramp); i++) { m_cfg->FastPkgCRampDisable[i] = config->disable_fast_pkgc_ramp[i];