diff options
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/cannonlake/fsp_params.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/soc/intel/cannonlake/fsp_params.c b/src/soc/intel/cannonlake/fsp_params.c index b580620d70..74884fde1f 100644 --- a/src/soc/intel/cannonlake/fsp_params.c +++ b/src/soc/intel/cannonlake/fsp_params.c @@ -192,6 +192,10 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) sizeof(params->SataPortsDevSlpResetConfig)); #endif } + params->SlpS0WithGbeSupport = 0; + params->PchPmSlpS0VmRuntimeControl = config->PchPmSlpS0VmRuntimeControl; + params->PchPmSlpS0Vm070VSupport = config->PchPmSlpS0Vm070VSupport; + params->PchPmSlpS0Vm075VSupport = config->PchPmSlpS0Vm075VSupport; /* Lan */ dev = pcidev_path_on_root(PCH_DEVFN_GBE); @@ -199,7 +203,14 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) params->PchLanEnable = 0; else { params->PchLanEnable = dev->enabled; - if (config->s0ix_enable) { + if (config->s0ix_enable && params->PchLanEnable) { + /* + * The VmControl UPDs need to be set as per board + * design to allow voltage margining in S0ix to lower + * power consumption. + * But if GbE is enabled, voltage magining cannot be + * enabled, so the Vm control UPDs need to be set to 0. + */ params->SlpS0WithGbeSupport = 1; params->PchPmSlpS0VmRuntimeControl = 0; params->PchPmSlpS0Vm070VSupport = 0; |