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mb/google/brya/var/zydron: Enable Fast VMode for zydron 

Fast VMode nmakes the SoC throttle when the current exceeds the I_TRIP
threshold.

BUG=b:252966799
BRANCH=firmware-brya-14505.B
TEST=Verify that the feature is enabled by reading from fsp log

Change-Id: I175f7f39d6115d1f082575393c45734c7b02e346
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70659
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ren Kuo <ren.kuo@quanta.corp-partner.google.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
This commit is contained in:
David Wu 2022-12-12 10:39:33 +08:00 committed by Martin L Roth
parent 8c46232005
commit 4f29739be3
1 changed files with 4 additions and 0 deletions
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4
src/mainboard/google/brya/variants/zydron/overridetree.cb
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@ -18,6 +18,10 @@ fw_config
end end
end end
chip soc/intel/alderlake chip soc/intel/alderlake
register "domain_vr_config[VR_DOMAIN_IA]" = "{
.enable_fast_vmode = 1,
}"
register "sagv" = "SaGv_Enabled" register "sagv" = "SaGv_Enabled"
# As per Intel Advisory doc#723158, the change is required to prevent possible # As per Intel Advisory doc#723158, the change is required to prevent possible