diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/alderlake/include/soc/vr_config.h | 19 | ||||
| -rw-r--r-- | src/soc/intel/alderlake/vr_config.c | 12 |
2 files changed, 31 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/include/soc/vr_config.h b/src/soc/intel/alderlake/include/soc/vr_config.h index 316abc0dd2..41c2f6b55e 100644 --- a/src/soc/intel/alderlake/include/soc/vr_config.h +++ b/src/soc/intel/alderlake/include/soc/vr_config.h @@ -8,6 +8,25 @@ #include <fsp/api.h> struct vr_config { +#if CONFIG(SOC_INTEL_RAPTORLAKE) + /* + * When enabled, this feature makes the SoC throttle when the power + * consumption exceeds the I_TRIP threshold. + * + * FSPs sets a by default I_TRIP threshold adapted to the current SoC + * and assuming a Voltage Regulator error accuracy of 6.5%. + */ + bool enable_fast_vmode; + + /* + * VR Fast Vmode I_TRIP threshold. + * 0-255A in 1/4 A units. Example: 400 = 100A + + * This setting overrides the default value set by FSPs when Fast VMode + * is enabled. + */ + uint16_t fast_vmode_i_trip; +#endif /* The below settings will take effect when this is set to 1 for that domain. */ bool vr_config_enable; diff --git a/src/soc/intel/alderlake/vr_config.c b/src/soc/intel/alderlake/vr_config.c index 159f4514bd..4d649fbfec 100644 --- a/src/soc/intel/alderlake/vr_config.c +++ b/src/soc/intel/alderlake/vr_config.c @@ -254,6 +254,16 @@ static const struct vr_lookup vr_config_tdc_currentlimit[] = { { PCI_DID_INTEL_ADL_S_ID_12, 35, VR_CFG_ALL_DOMAINS_TDC_CURRENT(30, 30) }, }; +static void fill_vr_fast_vmode(FSP_S_CONFIG *s_cfg, + int domain, const struct vr_config *chip_cfg) +{ +#if CONFIG(SOC_INTEL_RAPTORLAKE) + s_cfg->EnableFastVmode[domain] = chip_cfg->enable_fast_vmode; + if (s_cfg->EnableFastVmode[domain]) + s_cfg->IccLimit[domain] = chip_cfg->fast_vmode_i_trip; +#endif +} + void fill_vr_domain_config(FSP_S_CONFIG *s_cfg, int domain, const struct vr_config *chip_cfg) { @@ -299,6 +309,8 @@ void fill_vr_domain_config(FSP_S_CONFIG *s_cfg, domain, mch_id, tdp); } + fill_vr_fast_vmode(s_cfg, domain, chip_cfg); + /* Check TdcTimeWindow and TdcCurrentLimit, Set TdcEnable and Set VR TDC Input current to root mean square */ if (s_cfg->TdcTimeWindow[domain] != 0 && s_cfg->TdcCurrentLimit[domain] != 0) { |