diff options
| author | Lijian Zhao <lijian.zhao@intel.com> | 2018-12-12 11:19:46 -0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-12-19 05:19:33 +0000 |
| commit | ae75400ae338180da9a75526b017042a1780c4f9 (patch) | |
| tree | 5470fb90ec87c86a7a1df3479229abe83e52af83 /src | |
| parent | 4e21dee863ed5622b83a6461c00c8911b608d323 (diff) | |
| download | coreboot-ae75400ae338180da9a75526b017042a1780c4f9.tar.xz | |
soc/intel/cannonlake: Add Acoustic features
Expose the following FSP UPD interface into coreboot, which is the
following:
AcousticNoiseMitigation
FastPkgCRampDisableIa
FastPkgCRampDisableGt
FastPkgCRampDisableSa
FastPkgCRampDisableFivr
SlowSlewRateForIa
SlowSlewRateForGt
SlowSlewRateForSa
SlowSlewRateForFivr
Signed-off-by: Lijian Zhao <lijian.zhao@intel.com>
Change-Id: I21f53c594a085794474e87eb6781b51db88d0c10
Reviewed-on: https://review.coreboot.org/c/30207
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/cannonlake/chip.h | 31 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/fsp_params.c | 11 |
2 files changed, 42 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h index 9eb91bdac1..8eaf02b204 100644 --- a/src/soc/intel/cannonlake/chip.h +++ b/src/soc/intel/cannonlake/chip.h @@ -263,6 +263,37 @@ struct soc_intel_cannonlake_config { /* Intel VT configuration */ uint8_t VtdDisable; uint8_t VmxEnable; + + /* + * Acoustic Noise Mitigation + * 0b - Disable + * 1b - Enable noise mitigation + */ + uint8_t AcousticNoiseMitigation; + + /* + * Disable Fast Package C-state ramping + * Need to set AcousticNoiseMitigation = '1' first + * 0b - Enabled + * 1b - Disabled + */ + uint8_t FastPkgCRampDisableIa; + uint8_t FastPkgCRampDisableGt; + uint8_t FastPkgCRampDisableSa; + uint8_t FastPkgCRampDisableFivr; + + /* + * Adjust the VR slew rates + * Need to set AcousticNoiseMitigation = '1' first + * 000b - Fast/2 + * 001b - Fast/4 + * 010b - Fast/8 + * 011b - Fast/16 + */ + uint8_t SlowSlewRateForIa; + uint8_t SlowSlewRateForGt; + uint8_t SlowSlewRateForSa; + uint8_t SlowSlewRateForFivr; }; typedef struct soc_intel_cannonlake_config config_t; diff --git a/src/soc/intel/cannonlake/fsp_params.c b/src/soc/intel/cannonlake/fsp_params.c index f95745983d..a9326a41bf 100644 --- a/src/soc/intel/cannonlake/fsp_params.c +++ b/src/soc/intel/cannonlake/fsp_params.c @@ -210,6 +210,17 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) * 3 = GT unsliced, 4 = GT sliced */ for (i = 0; i < ARRAY_SIZE(config->domain_vr_config); i++) fill_vr_domain_config(params, i, &config->domain_vr_config[i]); + + /* Acoustic Noise Mitigation */ + params->AcousticNoiseMitigation = config->AcousticNoiseMitigation; + params->SlowSlewRateForIa = config->SlowSlewRateForIa; + params->SlowSlewRateForGt = config->SlowSlewRateForGt; + params->SlowSlewRateForSa = config->SlowSlewRateForSa; + params->SlowSlewRateForFivr = config->SlowSlewRateForFivr; + params->FastPkgCRampDisableIa = config->FastPkgCRampDisableIa; + params->FastPkgCRampDisableGt = config->FastPkgCRampDisableGt; + params->FastPkgCRampDisableSa = config->FastPkgCRampDisableSa; + params->FastPkgCRampDisableFivr = config->FastPkgCRampDisableFivr; } /* Mainboard GPIO Configuration */ |