diff options
| -rw-r--r-- | src/soc/intel/skylake/chip.h | 8 | ||||
| -rw-r--r-- | src/soc/intel/skylake/chip_fsp20.c | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/chip.h b/src/soc/intel/skylake/chip.h index 0ade01cd1e..022306cef3 100644 --- a/src/soc/intel/skylake/chip.h +++ b/src/soc/intel/skylake/chip.h @@ -518,6 +518,14 @@ struct soc_intel_skylake_config { /* coreboot handles locking */ CHIPSET_LOCKDOWN_COREBOOT, } chipset_lockdown; + + /* + * Activates VR mailbox command for Intersil VR C-state issues. + * 0 - no mailbox command sent. + * 1 - VR mailbox command sent for IA/GT rails only. + * 2 - VR mailbox command sent for IA/GT/SA rails. + */ + u8 IslVrCmd; }; typedef struct soc_intel_skylake_config config_t; diff --git a/src/soc/intel/skylake/chip_fsp20.c b/src/soc/intel/skylake/chip_fsp20.c index b1697ae35f..ac60125f70 100644 --- a/src/soc/intel/skylake/chip_fsp20.c +++ b/src/soc/intel/skylake/chip_fsp20.c @@ -271,6 +271,14 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) */ params->SendVrMbxCmd1 = config->SendVrMbxCmd; + /* + * Activates VR mailbox command for Intersil VR C-state issues. + * 0 - no mailbox command sent. + * 1 - VR mailbox command sent for IA/GT rails only. + * 2 - VR mailbox command sent for IA/GT/SA rails. + */ + params->IslVrCmd = config->IslVrCmd; + /* Acoustic Noise Mitigation */ params->AcousticNoiseMitigation = config->AcousticNoiseMitigation; params->SlowSlewRateForIa = config->SlowSlewRateForIa; |