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authorDavid Wu <david_wu@quanta.corp-partner.google.com>2022-12-12 10:39:33 +0800
committerMartin L Roth <gaumless@gmail.com>2022-12-15 03:12:19 +0000
commit4f29739be32d66a717c6af43a89a9174e4f41182 (patch)
tree2778b9a7084394e85f40c9e103cf52d1a37eaf10
parent8c46232005767ecbdebb7290f15cacf2756c9586 (diff)
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>
-rw-r--r--src/mainboard/google/brya/variants/zydron/overridetree.cb4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/zydron/overridetree.cb b/src/mainboard/google/brya/variants/zydron/overridetree.cb
index daa33ee7f3..431509c7f8 100644
--- a/src/mainboard/google/brya/variants/zydron/overridetree.cb
+++ b/src/mainboard/google/brya/variants/zydron/overridetree.cb
@@ -18,6 +18,10 @@ fw_config
end
end
chip soc/intel/alderlake
+ register "domain_vr_config[VR_DOMAIN_IA]" = "{
+ .enable_fast_vmode = 1,
+ }"
+
register "sagv" = "SaGv_Enabled"
# As per Intel Advisory doc#723158, the change is required to prevent possible