diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/jasperlake/chip.h | 11 | ||||
| -rw-r--r-- | src/soc/intel/jasperlake/fsp_params.c | 19 |
2 files changed, 21 insertions, 9 deletions
diff --git a/src/soc/intel/jasperlake/chip.h b/src/soc/intel/jasperlake/chip.h index 884071fdbd..3b813398a8 100644 --- a/src/soc/intel/jasperlake/chip.h +++ b/src/soc/intel/jasperlake/chip.h @@ -353,18 +353,23 @@ struct soc_intel_jasperlake_config { uint8_t FivrSpreadSpectrum; /* - * Disable Fast Slew Rate for Deep Package C States for VR domains + * Disable Fast Slew Rate for Deep Package C States for VCCIN VR domain * Disable Fast Slew Rate for Deep Package C States based on * Acoustic Noise Mitigation feature enabled. */ uint8_t FastPkgCRampDisable; /* - * Slew Rate configuration for Deep Package C States for VR domains + * Slew Rate configuration for Deep Package C States for VCCIN VR domain * based on Acoustic Noise Mitigation feature enabled. * 0: Fast/2 ; 1: Fast/4; 2: Fast/8; 3: Fast/16 */ - uint8_t SlowSlewRate; + enum { + SlewRateFastBy2 = 0, + SlewRateFastBy4, + SlewRateFastBy8, + SlewRateFastBy16 + } SlowSlewRate; /* * Enable or Disable Acoustic Noise Mitigation feature. diff --git a/src/soc/intel/jasperlake/fsp_params.c b/src/soc/intel/jasperlake/fsp_params.c index c03e9dd15b..eefbf6cf0f 100644 --- a/src/soc/intel/jasperlake/fsp_params.c +++ b/src/soc/intel/jasperlake/fsp_params.c @@ -236,13 +236,20 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) config->PchPmSlpS3MinAssert, config->PchPmSlpAMinAssert, config->PchPmPwrCycDur); - /* Fill Acoustic noise mitigation related configuration */ - params->FastPkgCRampDisable[0] = config->FastPkgCRampDisable; - params->SlowSlewRate[0] = config->SlowSlewRate; + /* + * Fill Acoustic noise mitigation related configuration + * JSL only has single VR domain (VCCIN VR), thus filling only index 0 for + * Slew rate and FastPkgCRamp for VR0 only. + */ params->AcousticNoiseMitigation = config->AcousticNoiseMitigation; - params->PreWake = config->PreWake; - params->RampUp = config->RampUp; - params->RampDown = config->RampDown; + + if (params->AcousticNoiseMitigation) { + params->FastPkgCRampDisable[0] = config->FastPkgCRampDisable; + params->SlowSlewRate[0] = config->SlowSlewRate; + params->PreWake = config->PreWake; + params->RampUp = config->RampUp; + params->RampDown = config->RampDown; + } /* Override/Fill FSP Silicon Param for mainboard */ mainboard_silicon_init_params(params); |