diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/tigerlake/chip.h | 40 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/fsp_params.c | 23 |
2 files changed, 63 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h index e69369981d..9c179693ed 100644 --- a/src/soc/intel/tigerlake/chip.h +++ b/src/soc/intel/tigerlake/chip.h @@ -22,6 +22,33 @@ #define MAX_HD_AUDIO_SNDW_LINKS 4 #define MAX_HD_AUDIO_SSP_LINKS 6 +/* + * Enable External V1P05 Rail in: BIT0:S0i1/S0i2, + * BIT1:S0i3, BIT2:S3, BIT3:S4, BIT4:S5 + */ +enum fivr_enable_states { + FIVR_ENABLE_S0i1_S0i2 = BIT(0), + FIVR_ENABLE_S0i3 = BIT(1), + FIVR_ENABLE_S3 = BIT(2), + FIVR_ENABLE_S4 = BIT(3), + FIVR_ENABLE_S5 = BIT(4), +}; + +/* + * Enable the following for External V1p05 rail + * BIT1: Normal Active voltage supported + * BIT2: Minimum active voltage supported + * BIT3: Minimum Retention voltage supported + */ +enum fivr_voltage_supported { + FIVR_VOLTAGE_NORMAL = BIT(1), + FIVR_VOLTAGE_MIN_ACTIVE = BIT(2), + FIVR_VOLTAGE_MIN_RETENTION = BIT(3), +}; + +#define FIVR_ENABLE_ALL_SX (FIVR_ENABLE_S0i1_S0i2 | FIVR_ENABLE_S0i3 | \ + FIVR_ENABLE_S3 | FIVR_ENABLE_S4 | FIVR_ENABLE_S5) + struct soc_intel_tigerlake_config { /* Common struct containing soc config data required by common code */ @@ -316,6 +343,19 @@ struct soc_intel_tigerlake_config { * Default 0. Setting this to 1 disables the SATA Power Optimizer. */ uint8_t SataPwrOptimizeDisable; + + /* structure containing various settings for PCH FIVRs */ + struct { + bool configure_ext_fivr; + enum fivr_enable_states v1p05_enable_bitmap; + enum fivr_enable_states vnn_enable_bitmap; + enum fivr_voltage_supported v1p05_supported_voltage_bitmap; + enum fivr_voltage_supported vnn_supported_voltage_bitmap; + /* External Icc Max for V1p05 rail in mA */ + int v1p05_icc_max_ma; + /* External Vnn Voltage in mV */ + int vnn_sx_voltage_mv; + } ext_fivr_settings; }; typedef struct soc_intel_tigerlake_config config_t; diff --git a/src/soc/intel/tigerlake/fsp_params.c b/src/soc/intel/tigerlake/fsp_params.c index 926d8eb7b4..b9dbec87f5 100644 --- a/src/soc/intel/tigerlake/fsp_params.c +++ b/src/soc/intel/tigerlake/fsp_params.c @@ -262,6 +262,29 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) params->ITbtPcieRootPortEn[i] = 0; } + /* PCH FIVR settings override */ + if (config->ext_fivr_settings.configure_ext_fivr) { + params->PchFivrExtV1p05RailEnabledStates = + config->ext_fivr_settings.v1p05_enable_bitmap; + + params->PchFivrExtV1p05RailSupportedVoltageStates = + config->ext_fivr_settings.v1p05_supported_voltage_bitmap; + + params->PchFivrExtVnnRailEnabledStates = + config->ext_fivr_settings.vnn_enable_bitmap; + + params->PchFivrExtVnnRailSupportedVoltageStates = + config->ext_fivr_settings.vnn_supported_voltage_bitmap; + + /* convert mV to number of 2.5 mV increments */ + params->PchFivrExtVnnRailSxVoltage = + (config->ext_fivr_settings.vnn_sx_voltage_mv * 10) / 25; + + params->PchFivrExtV1p05RailIccMaximum = + config->ext_fivr_settings.v1p05_icc_max_ma; + + } + mainboard_silicon_init_params(params); } |