diff options
Diffstat (limited to 'src/soc/intel/tigerlake/fsp_params.c')
| -rw-r--r-- | src/soc/intel/tigerlake/fsp_params.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/fsp_params.c b/src/soc/intel/tigerlake/fsp_params.c index 3187a33eaf..798c16a425 100644 --- a/src/soc/intel/tigerlake/fsp_params.c +++ b/src/soc/intel/tigerlake/fsp_params.c @@ -24,6 +24,10 @@ #define THC_0 1 #define THC_1 2 +/* SATA DEVSLP idle timeout default values */ +#define DEF_DMVAL 15 +#define DEF_DITOVAL 625 + /* * Chip config parameter PcieRpL1Substates uses (UPD value + 1) * because UPD value of 0 for PcieRpL1Substates means disabled for FSP. @@ -212,6 +216,26 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) params->PchPwrOptEnable = !(config->DmiPwrOptimizeDisable); params->SataPwrOptEnable = !(config->SataPwrOptimizeDisable); + /* + * Enable DEVSLP Idle Timeout settings DmVal and DitoVal. + * SataPortsDmVal is the DITO multiplier. Default is 15. + * SataPortsDitoVal is the DEVSLP Idle Timeout (DITO), Default is 625ms. + * The default values can be changed from devicetree. + */ + for (i = 0; i < ARRAY_SIZE(config->SataPortsEnableDitoConfig); i++) { + if (config->SataPortsEnableDitoConfig[i]) { + if (config->SataPortsDmVal[i]) + params->SataPortsDmVal[i] = config->SataPortsDmVal[i]; + else + params->SataPortsDmVal[i] = DEF_DMVAL; + + if (config->SataPortsDitoVal[i]) + params->SataPortsDitoVal[i] = config->SataPortsDitoVal[i]; + else + params->SataPortsDitoVal[i] = DEF_DITOVAL; + } + } + /* Enable TCPU for processor thermal control */ params->Device4Enable = config->Device4Enable; |