diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/tigerlake/chip.h | 12 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/fsp_params.c | 9 |
2 files changed, 21 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h index d9283e1652..e6e106df94 100644 --- a/src/soc/intel/tigerlake/chip.h +++ b/src/soc/intel/tigerlake/chip.h @@ -288,6 +288,18 @@ struct soc_intel_tigerlake_config { /* HyperThreadingDisable : Yes (1) / No (0) */ uint8_t HyperThreadingDisable; + + /* + * Enable(0)/Disable(1) DMI Power Optimizer on PCH side. + * Default 0. Setting this to 1 disables the DMI Power Optimizer. + */ + uint8_t DmiPwrOptimizeDisable; + + /* + * Enable(0)/Disable(1) SATA Power Optimizer on PCH side. + * Default 0. Setting this to 1 disables the SATA Power Optimizer. + */ + uint8_t SataPwrOptimizeDisable; }; 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 11d79529ed..73c41c8519 100644 --- a/src/soc/intel/tigerlake/fsp_params.c +++ b/src/soc/intel/tigerlake/fsp_params.c @@ -184,6 +184,15 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) sizeof(params->SataPortsDevSlp)); } + /* + * Power Optimizer for DMI and SATA. + * DmiPwrOptimizeDisable and SataPwrOptimizeDisable is default to 0. + * Boards not needing the optimizers explicitly disables them by setting + * these disable variables to 1 in devicetree overrides. + */ + params->PchPwrOptEnable = !(config->DmiPwrOptimizeDisable); + params->SataPwrOptEnable = !(config->SataPwrOptimizeDisable); + /* LAN */ dev = pcidev_path_on_root(PCH_DEVFN_GBE); if (!dev) |