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soc/intel/tigerlake: Integrate Legacy 8254 timer support 

This patch overrides required FSP-S UPDs to enable 8254 timer
support for TGL if CONFIG_USE_LEGACY_8254_TIMER is selected.

TEST=Required to boot TianoCore payload.

Change-Id: Iaeff5c4b92691ed6ba7b71541ed4f947d5d299a8
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39098
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
This commit is contained in:
Subrata Banik 2020-02-24 15:14:22 +05:30 committed by Patrick Georgi
parent fdba0cd6af
commit 1bfd56cb25
1 changed files with 4 additions and 0 deletions
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4
src/soc/intel/tigerlake/fsp_params_tgl.c
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@ -135,6 +135,10 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
sizeof(params->SataPortsDevSlp)); sizeof(params->SataPortsDevSlp));
} }
/* Legacy 8254 timer support */
params->Enable8254ClockGating = !CONFIG_USE_LEGACY_8254_TIMER;
params->Enable8254ClockGatingOnS3 = !CONFIG_USE_LEGACY_8254_TIMER;
mainboard_silicon_init_params(params); mainboard_silicon_init_params(params);
} }