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soc/intel/tigerlake: Disable VMD

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It's already disabled by FSP default but disable VMD by devicetree
to remove dependency with FSP default setting.

BUG=None
Branch=None
Test=Build TGLRVP and boot up and check FSP log for checking VMD is
disabled.

Signed-off-by: Wonkyu Kim <wonkyu.kim@intel.com>
Change-Id: Ief81fe481b94abed9754881cf1f454999fafa52e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41061
Reviewed-by: Caveh Jalali <caveh@chromium.org>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Wonkyu Kim
2020-05-05 09:10:13 -07:00
committed by Patrick Georgi
parent f381d97856
commit 165efa1b86
4 changed files with 13 additions and 2 deletions
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7
src/soc/intel/tigerlake/fsp_params.c
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@@ -214,6 +214,13 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
else
params->CnviMode = 0;
/* VMD */
dev = pcidev_path_on_root(SA_DEVFN_VMD);
if (dev)
params->VmdEnable = dev->enabled;
else
params->VmdEnable = 0;
/* Legacy 8254 timer support */
params->Enable8254ClockGating = !CONFIG_USE_LEGACY_8254_TIMER;
params->Enable8254ClockGatingOnS3 = !CONFIG_USE_LEGACY_8254_TIMER;