From 8bdc170901d013e1facad3dea31bba8346caa401 Mon Sep 17 00:00:00 2001 From: Jian Tong Date: Wed, 23 Jul 2025 14:02:19 +0800 Subject: [PATCH] mb/google/brox/var/lotso: Update VR domain config Based on RPL 15W baseline and 686872_RPL_UPH_RPL_UH_R_Power_Map_Rev2p4p1.xlsm Get VR domain configs from internal power teams. BUG=b:404416910 TEST=emerge-brox coreboot chromeos-bootimage USE=fw_debug confirm VR configs Change-Id: I5c7124477eeaa7b864e58c083e9c546f955bee29 Signed-off-by: Jian Tong Reviewed-on: https://review.coreboot.org/c/coreboot/+/88539 Reviewed-by: Kun Liu Reviewed-by: Subrata Banik Reviewed-by: Karthik Ramasubramanian Tested-by: build bot (Jenkins) Reviewed-by: Dengwu Yu Reviewed-by: YH Lin --- .../brox/variants/lotso/overridetree.cb | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/src/mainboard/google/brox/variants/lotso/overridetree.cb b/src/mainboard/google/brox/variants/lotso/overridetree.cb index c1b919269e..6338e828f6 100644 --- a/src/mainboard/google/brox/variants/lotso/overridetree.cb +++ b/src/mainboard/google/brox/variants/lotso/overridetree.cb @@ -79,6 +79,25 @@ chip soc/intel/alderlake register "fast_pkg_c_ramp_disable[VR_DOMAIN_IA]" = "1" register "fast_pkg_c_ramp_disable[VR_DOMAIN_GT]" = "1" + # VR Settings + register "domain_vr_config[VR_DOMAIN_IA]" = "{ + .vr_config_enable = 1, + .icc_max = 248, + .tdc_timewindow = 28000, + .tdc_currentlimit = 176, + .ac_loadline = 280, + .dc_loadline = 280, + }" + + register "domain_vr_config[VR_DOMAIN_GT]" = "{ + .vr_config_enable = 1, + .icc_max = 160, + .tdc_timewindow = 28000, + .tdc_currentlimit = 176, + .ac_loadline = 320, + .dc_loadline = 320, + }" + register "power_limits_config[RPL_P_282_242_142_15W_CORE]" = "{ .tdp_pl1_override = 15, .tdp_pl2_override = 25,