diff options
| -rw-r--r-- | src/soc/intel/alderlake/chip.h | 7 | ||||
| -rw-r--r-- | src/soc/intel/alderlake/fsp_params.c | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h index 2dae9cd202..8ee36f63bc 100644 --- a/src/soc/intel/alderlake/chip.h +++ b/src/soc/intel/alderlake/chip.h @@ -573,6 +573,13 @@ struct soc_intel_alderlake_config { * Default 0. Set this to 1 in order to disable C state demotion. */ bool disable_c1_state_auto_demotion; + + /* + * Enable or Disable PCH USB2 Phy power gating. + * Default 0. Set this to 1 in order to disable PCH USB2 Phy Power gating. + * Workaround for Intel TA# 723158 to prevent possible display flicker. + */ + bool usb2_phy_sus_pg_disable; }; typedef struct soc_intel_alderlake_config config_t; diff --git a/src/soc/intel/alderlake/fsp_params.c b/src/soc/intel/alderlake/fsp_params.c index 157bf351df..58f7579f7d 100644 --- a/src/soc/intel/alderlake/fsp_params.c +++ b/src/soc/intel/alderlake/fsp_params.c @@ -500,6 +500,8 @@ static void fill_fsps_xhci_params(FSP_S_CONFIG *s_cfg, if (config->tcss_ports[i].enable) s_cfg->CpuUsb3OverCurrentPin[i] = config->tcss_ports[i].ocpin; } + + s_cfg->PmcUsb2PhySusPgEnable = !config->usb2_phy_sus_pg_disable; } static void fill_fsps_xdci_params(FSP_S_CONFIG *s_cfg, |