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mb/google/rex/var/deku: Update FVM itrip for VR domain

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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>
This commit is contained in:
Tony Huang 2024-05-03 11:41:10 +08:00 • committed by Jakub Czapiga
commit 031c1e0f9c
1 changed files with 11 additions and 0 deletions
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11
src/mainboard/google/rex/variants/deku/overridetree.cb
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@ -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