diff options
| -rw-r--r-- | src/soc/intel/apollolake/chip.c | 3 | ||||
| -rw-r--r-- | src/soc/intel/apollolake/chip.h | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/chip.c b/src/soc/intel/apollolake/chip.c index 20bbde9288..e824328350 100644 --- a/src/soc/intel/apollolake/chip.c +++ b/src/soc/intel/apollolake/chip.c @@ -717,6 +717,9 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *silupd) silconfig->VmxEnable = CONFIG(ENABLE_VMX); + /* Enable enhanced C-states */ + silconfig->C1e = cfg->enhanced_cstates; + /* Set VTD feature according to devicetree */ silconfig->VtdEnable = get_uint_option("vtd", cfg->enable_vtd); diff --git a/src/soc/intel/apollolake/chip.h b/src/soc/intel/apollolake/chip.h index 209937d775..de3ba9780c 100644 --- a/src/soc/intel/apollolake/chip.h +++ b/src/soc/intel/apollolake/chip.h @@ -135,6 +135,9 @@ struct soc_intel_apollolake_config { uint8_t hdaudio_pwr_gate_enable; uint8_t hdaudio_bios_config_lockdown; + /* Enhanced C-states */ + int enhanced_cstates; + /* SLP S3 minimum assertion width. */ int slp_s3_assertion_width_usecs; |