From 031c1e0f9c893caa00498d26867e2b4e956a5032 Mon Sep 17 00:00:00 2001 From: Tony Huang Date: Fri, 3 May 2024 11:41:10 +0800 Subject: 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/82176 Reviewed-by: Derek Huang Tested-by: build bot (Jenkins) --- src/mainboard/google/rex/variants/deku/overridetree.cb | 11 +++++++++++ 1 file changed, 11 insertions(+) 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 -- cgit v1.2.3