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

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

BUG=b:270242461
BRANCH=firmware-brya-14505.B
TEST=Verify that the feature is enabled by reading from fsp log

Signed-off-by: Joey Peng <joey.peng@lcfc.corp-partner.google.com>
Change-Id: I82c2016d9dfb39ff7b372815737d4ae62875340c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73373
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
This commit is contained in:
Joey Peng 2023-03-02 15:25:01 +08:00 committed by Nick Vaccaro
parent 6da86da59a
commit 5627ba15cf
1 changed files with 4 additions and 0 deletions
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4
src/mainboard/google/brya/variants/taeko/overridetree.cb
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@ -44,6 +44,10 @@ 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,
}"
# 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
# display flickering issue. # display flickering issue.
register "usb2_phy_sus_pg_disable" = "1" register "usb2_phy_sus_pg_disable" = "1"