diff options
Diffstat (limited to 'src/soc/intel/skylake/chip.c')
| -rw-r--r-- | src/soc/intel/skylake/chip.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/soc/intel/skylake/chip.c b/src/soc/intel/skylake/chip.c index c99067db3d..d706e1298d 100644 --- a/src/soc/intel/skylake/chip.c +++ b/src/soc/intel/skylake/chip.c @@ -345,7 +345,14 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) bool use_8254 = get_uint_option("legacy_8254_timer", CONFIG(USE_LEGACY_8254_TIMER)); params->Early8254ClockGatingEnable = !use_8254; - params->EnableTcoTimer = CONFIG(USE_PM_ACPI_TIMER); + /* + * 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; memcpy(params->SerialIoDevMode, config->SerialIoDevMode, sizeof(params->SerialIoDevMode)); |