diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/tigerlake/chip.h | 53 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/fsp_params.c | 8 |
2 files changed, 61 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h index bcf71b1e62..fb6cda0919 100644 --- a/src/soc/intel/tigerlake/chip.h +++ b/src/soc/intel/tigerlake/chip.h @@ -68,6 +68,33 @@ enum lpm_state_mask { | LPM_S0i3_0 | LPM_S0i3_1 | LPM_S0i3_2 | LPM_S0i3_3 | LPM_S0i3_4, }; +/* + * VR domains. The domains are IA,GT,SA,VLCC and FIVR. + */ +enum vr_domains { + VR_DOMAIN_IA, + VR_DOMAIN_GT, + VR_DOMAIN_SA, + VR_DOMAIN_VLCC, + VR_DOMAIN_FIVR, + VR_DOMAIN_MAX +}; + +/* + * 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 +}; + struct soc_intel_tigerlake_config { /* Common struct containing soc config data required by common code */ @@ -143,6 +170,32 @@ struct soc_intel_tigerlake_config { /* Wake Enable Bitmap for USB3 ports */ uint16_t usb3_wake_enable_bitmap; + /* + * Acoustic Noise Mitigation + * 0 - Disable + * 1 - Enable noise mitigation + */ + uint8_t AcousticNoiseMitigation; + + /* + * Offset 0x054B - Disable Fast Slew Rate for Deep Package + * C States for VR domains. Disable Fast Slew Rate for Deep + * Package C States based on Acoustic Noise Mitigation feature + * enabled. The domains are IA,GT,SA,VLCC and FIVR. + * 0 - False + * 1 - True + */ + uint8_t FastPkgCRampDisable[VR_DOMAIN_MAX]; + + /* + * Offset 0x0550 - Slew Rate configuration for Deep Package + * C States for VR domains. Slew Rate configuration for Deep + * Package C States for VR domains based on Acoustic Noise + * Mitigation feature enabled. The domains are IA,GT,SA,VLCC and FIVR. + * Slew rates are defined as enum slew_rate. + */ + uint8_t SlowSlewRate[VR_DOMAIN_MAX]; + /* SATA related */ uint8_t SataEnable; uint8_t SataMode; diff --git a/src/soc/intel/tigerlake/fsp_params.c b/src/soc/intel/tigerlake/fsp_params.c index 38f444bbd5..887241b5c2 100644 --- a/src/soc/intel/tigerlake/fsp_params.c +++ b/src/soc/intel/tigerlake/fsp_params.c @@ -256,6 +256,14 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) } } + params->AcousticNoiseMitigation = config->AcousticNoiseMitigation; + memcpy(¶ms->SlowSlewRate, &config->SlowSlewRate, + ARRAY_SIZE(config->SlowSlewRate) * sizeof(config->SlowSlewRate[0])); + + memcpy(¶ms->FastPkgCRampDisable, &config->FastPkgCRampDisable, + ARRAY_SIZE(config->FastPkgCRampDisable) * + sizeof(config->FastPkgCRampDisable[0])); + /* Enable TCPU for processor thermal control */ params->Device4Enable = config->Device4Enable; |