[S] Change in coreboot[master]: mb/google/brya: Enable Fast VMode for brya0, skolas and skolas4es

[Nick Vaccaro (Code Review)]

Nick Vaccaro has submitted this change. ( https://review.coreboot.org/c/coreboot/+/69579 )

(

2 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: mb/google/brya: Enable Fast VMode for brya0, skolas and skolas4es
......................................................................

mb/google/brya: Enable Fast VMode for brya0, skolas and skolas4es

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

FSP silicon discards the request if the Voltage Regulator or SoC does
not support the feature.

BUG:b:259057787
TEST:Verify that the feature is enabled by reading from pcode
     No PnP regression observed
BRANCH=firmware-brya-14505.B

Signed-off-by: Jeremy Compostella 
Change-Id: I7e318534f1429af8ec06048430966344ddd346a1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69579
Reviewed-by: Nick Vaccaro 
Reviewed-by: Cliff Huang 
Reviewed-by: Jeremy Compostella 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/brya/variants/brya0/overridetree.cb
M src/mainboard/google/brya/variants/skolas/overridetree.cb
M src/mainboard/google/brya/variants/skolas4es/overridetree.cb
3 files changed, 38 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Jeremy Compostella: Looks good to me, but someone else must approve
  Nick Vaccaro: Looks good to me, approved
  Cliff Huang: Looks good to me, but someone else must approve
  Jérémy Compostella: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/brya/variants/brya0/overridetree.cb b/src/mainboard/google/brya/variants/brya0/overridetree.cb
index 8decc06..1291f20 100644
--- a/src/mainboard/google/brya/variants/brya0/overridetree.cb
+++ b/src/mainboard/google/brya/variants/brya0/overridetree.cb
@@ -44,6 +44,10 @@
 end

chip soc/intel/alderlake
+	register "domain_vr_config[VR_DOMAIN_IA]" = "{
+		.enable_fast_vmode = 1,
+	}"
+
    register "sagv" = "SaGv_Enabled"

register "platform_pmax" = "145"
diff --git a/src/mainboard/google/brya/variants/skolas/overridetree.cb b/src/mainboard/google/brya/variants/skolas/overridetree.cb
index fe60e90..0cecd14 100644
--- a/src/mainboard/google/brya/variants/skolas/overridetree.cb
+++ b/src/mainboard/google/brya/variants/skolas/overridetree.cb
@@ -44,6 +44,10 @@
 end

chip soc/intel/alderlake
+	register "domain_vr_config[VR_DOMAIN_IA]" = "{
+		.enable_fast_vmode = 1,
+	}"
+
    register "sagv" = "SaGv_Enabled"

register "platform_pmax" = "145"
diff --git a/src/mainboard/google/brya/variants/skolas4es/overridetree.cb b/src/mainboard/google/brya/variants/skolas4es/overridetree.cb
index 1a91779..155be3d 100644
--- a/src/mainboard/google/brya/variants/skolas4es/overridetree.cb
+++ b/src/mainboard/google/brya/variants/skolas4es/overridetree.cb
@@ -40,6 +40,10 @@
 end

chip soc/intel/alderlake
+	register "domain_vr_config[VR_DOMAIN_IA]" = "{
+		.enable_fast_vmode = 1,
+	}"
+
    register "sagv" = "SaGv_Enabled"

register "platform_pmax" = "145"