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mb/google/brox/var/lotso: Update VR domain config

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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 <tongjian@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88539
Reviewed-by: Kun Liu <liukun11@huaqin.corp-partner.google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Dengwu Yu <yudengwu@huaqin.corp-partner.google.com>
Reviewed-by: YH Lin <yueherngl@google.com>
This commit is contained in:
Jian Tong 2025-07-23 14:02:19 +08:00 • committed by Karthik Ramasubramanian
commit 8bdc170901
1 changed files with 19 additions and 0 deletions
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19
src/mainboard/google/brox/variants/lotso/overridetree.cb
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@ -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,