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soc/intel/tigerlake: Update Kconfig for NEM Enhanced Mode

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This change switches the selection of CAR mode so that
INTEL_CAR_NEM_ENHANCED_V2 is the default unless mainboard
selects INTEL_CAR_NEM. INTEL_CAR_NEM is selected only by
mainboards using older silicon (ES1 or ES2) that did not
support NEM enhanced mode.

This enables NEM Enhanced Mode for TGL-U/Y RVPs.

Bug=b:171601324
BRANCH=volteer
Test=Build coreboot for volteer. Boot on SKU that has 4MB L3 cache.

Change-Id: Ib6e041261cb8ca9c6e602935da4962aac0d9ece5
Signed-off-by: Shreesh Chhabbi <shreesh.chhabbi@intel.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47259
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Shreesh Chhabbi
2020-11-05 12:22:13 -08:00
committed by Furquan Shaikh
parent ed820a0e21
commit 0c32182dba
2 changed files with 8 additions and 9 deletions
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2
src/soc/intel/tigerlake/Kconfig
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@@ -23,7 +23,7 @@ config CPU_SPECIFIC_OPTIONS
select INTEL_DESCRIPTOR_MODE_CAPABLE
select HAVE_SMI_HANDLER
select IDT_IN_EVERY_STAGE
select INTEL_CAR_NEM
select USE_CAR_NEM_ENHANCED_V2 if !INTEL_CAR_NEM
select INTEL_GMA_ACPI
select INTEL_GMA_ADD_VBT if RUN_FSP_GOP
select IOAPIC