diff options
| -rw-r--r-- | src/soc/intel/meteorlake/chip.h | 26 | ||||
| -rw-r--r-- | src/soc/intel/meteorlake/romstage/fsp_params.c | 15 |
2 files changed, 41 insertions, 0 deletions
diff --git a/src/soc/intel/meteorlake/chip.h b/src/soc/intel/meteorlake/chip.h index 59b6a8b8a2..cfef3c1b51 100644 --- a/src/soc/intel/meteorlake/chip.h +++ b/src/soc/intel/meteorlake/chip.h @@ -129,6 +129,22 @@ enum vr_domain { NUM_VR_DOMAINS }; +/* + * Slew Rate configuration for Deep Package C States for VR domain. + * They are fast time divided by 2. + * 0 - Fast/2 + * 1 - Fast/4 + * 2 - Fast/8 + * 3 - Fast/16 + */ +enum slew_rate { + SLEW_FAST_2, + SLEW_FAST_4, + SLEW_FAST_8, + SLEW_FAST_16, + SLEW_IGNORE = 0xff, +}; + struct soc_intel_meteorlake_config { /* Common struct containing soc config data required by common code */ @@ -499,6 +515,16 @@ struct soc_intel_meteorlake_config { /* Platform Power Pmax in Watts. Zero means automatic. */ uint16_t psys_pmax_watts; + + /* Enable or Disable Acoustic Noise Mitigation feature */ + uint8_t enable_acoustic_noise_mitigation; + /* Disable Fast Slew Rate for Deep Package C States for VR domains */ + uint8_t disable_fast_pkgc_ramp[NUM_VR_DOMAINS]; + /* + * Slew Rate configuration for Deep Package C States for VR domains + * as per `enum slew_rate` data type. + */ + uint8_t slow_slew_rate_config[NUM_VR_DOMAINS]; }; typedef struct soc_intel_meteorlake_config config_t; diff --git a/src/soc/intel/meteorlake/romstage/fsp_params.c b/src/soc/intel/meteorlake/romstage/fsp_params.c index a45f23f46b..4842c191bb 100644 --- a/src/soc/intel/meteorlake/romstage/fsp_params.c +++ b/src/soc/intel/meteorlake/romstage/fsp_params.c @@ -395,6 +395,20 @@ static void fill_fspm_ibecc_params(FSP_M_CONFIG *m_cfg, } } +static void fill_fsps_acoustic_params(FSP_M_CONFIG *m_cfg, + const struct soc_intel_meteorlake_config *config) +{ + if (!config->enable_acoustic_noise_mitigation) + return; + + m_cfg->AcousticNoiseMitigation = config->enable_acoustic_noise_mitigation; + + for (int i = 0; i < NUM_VR_DOMAINS; i++) { + m_cfg->FastPkgCRampDisable[i] = config->disable_fast_pkgc_ramp[i]; + m_cfg->SlowSlewRate[i] = config->slow_slew_rate_config[i]; + } +} + static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, const struct soc_intel_meteorlake_config *config) { @@ -418,6 +432,7 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, fill_fspm_trace_params, fill_fspm_vr_config_params, fill_fspm_ibecc_params, + fill_fsps_acoustic_params, }; for (size_t i = 0; i < ARRAY_SIZE(fill_fspm_params); i++) |