diff options
Diffstat (limited to 'src/soc/intel/icelake')
| -rw-r--r-- | src/soc/intel/icelake/fsp_params.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/intel/icelake/fsp_params.c b/src/soc/intel/icelake/fsp_params.c index ba40f3f01d..fa63a3dfcd 100644 --- a/src/soc/intel/icelake/fsp_params.c +++ b/src/soc/intel/icelake/fsp_params.c @@ -98,6 +98,15 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) params->Enable8254ClockGating = !use_8254; params->Enable8254ClockGatingOnS3 = !use_8254; + /* + * Legacy PM ACPI Timer (and TCO Timer) + * This *must* be 1 in any case to keep FSP from + * 1) enabling PM ACPI Timer emulation in uCode. + * 2) disabling the PM ACPI Timer. + * We handle both by ourself! + */ + params->EnableTcoTimer = 1; + /* S0ix */ params->PchPmSlpS0Enable = config->s0ix_enable; |