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authorTony Huang <tony-huang@quanta.corp-partner.google.com>2024-05-03 11:41:10 +0800
committerJakub Czapiga <czapiga@google.com>2024-05-06 05:32:50 +0000
commit031c1e0f9c893caa00498d26867e2b4e956a5032 (patch)
treedc1dfc2ebc4cafaf0e54ac931f2e814fbe2aa35d /src/mainboard
parent29133997686b7cd5cb9be3d9e240a94911686010 (diff)
mb/google/rex/var/deku: Update FVM itrip for VR domain
Adjust setting is from power team. Itrip(GT) FVM 54 Itrip(SA) FVM 27 BUG=b:320410462 BRANCH=firmware-rex-15709.B TEST= FSP debug emerge-ovis coreboot intel-mtlfsp check overrides setting Change-Id: I6d6cf7cecaac650a7b1784833b4afb8dffb3db2c Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/82176 Reviewed-by: Derek Huang <derekhuang@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/rex/variants/deku/overridetree.cb11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/variants/deku/overridetree.cb b/src/mainboard/google/rex/variants/deku/overridetree.cb
index 070f596d3d..799872948d 100644
--- a/src/mainboard/google/rex/variants/deku/overridetree.cb
+++ b/src/mainboard/google/rex/variants/deku/overridetree.cb
@@ -54,6 +54,17 @@ chip soc/intel/meteorlake
},
}"
+ # As per doc 640982, Intel MTL-U 28W CPU supports FVM on GT and SA
+ # The ICC Limit is represented in 1/4 A increments, i.e., a value of 400 = 100A
+ # For GT VR configuration
+ register "enable_fast_vmode[VR_DOMAIN_GT]" = "1"
+ register "cep_enable[VR_DOMAIN_IA]" = "1"
+ register "fast_vmode_i_trip[VR_DOMAIN_GT]" = "216" # 54A
+ # For SA VR configuration
+ register "enable_fast_vmode[VR_DOMAIN_SA]" = "1"
+ register "cep_enable[VR_DOMAIN_SA]" = "1"
+ register "fast_vmode_i_trip[VR_DOMAIN_SA]" = "108" # 27A
+
device domain 0 on
device ref dtt on
chip drivers/intel/dptf