mb/google/brya/vell: Add PS1/PS2 cutoff point
According intel Doc#634254 and Doc#608715
PS2/PS1 cross point = 5
PS1/PS0 cross point = 10
PS2 cutoff = 1.4*(PS2/PS1 cross point) = 7
1.3 is better magnification, it obtain by test
PS1 cutoff = 1.3*(PS1/PS0 cross point) = 13
BUG=b:241850120
BRANCH=brya
TEST='FW_NAME=vell emerge-brya coreboot'
Change-Id: I83e9682004e2c3644ad4a5565e6ab85be48ba22f
Signed-off-by: Shon Wang <shon.wang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67394
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
diff --git a/src/mainboard/google/brya/variants/vell/overridetree.cb b/src/mainboard/google/brya/variants/vell/overridetree.cb
index 278c240..98983ef 100644
--- a/src/mainboard/google/brya/variants/vell/overridetree.cb
+++ b/src/mainboard/google/brya/variants/vell/overridetree.cb
@@ -547,4 +547,12 @@
end
end
end
+
+ # VR Settings
+ register "domain_vr_config[VR_DOMAIN_IA]" = "{
+ .vr_config_enable = 1,
+ .psi1threshold = VR_CFG_AMP(13),
+ .psi2threshold = VR_CFG_AMP(7),
+ }"
+
end