From e3ed9cacaa2b372a3efce95308d15aea3806fbf9 Mon Sep 17 00:00:00 2001 From: Frank Wu Date: Wed, 29 Jun 2022 18:08:37 +0800 Subject: [PATCH] mb/google/brya/var/banshee: Update VR domain settings Update the VR domain settings based on the request of internal team. - IA ac_loadline from 2.3mOhms to 2.4mOhms. - IA dc_loadline from 2.3mOhms to 2.28mOhms. - GT ac_loadline from 3.2mOhms to 3.13mOhms. - GT dc_loadline from 3.2mOhms to 2.94mOhms. BUG=b:237044562 BRANCH=firmware-brya-14505.B TEST=FW_NAME=banshee emerge-brya coreboot chromeos-bootimage Signed-off-by: Frank Wu Change-Id: I665665ab8e3bcd6d4643f8b954b86fad3ef78ccd Reviewed-on: https://review.coreboot.org/c/coreboot/+/65522 Tested-by: build bot (Jenkins) Reviewed-by: Tim Wawrzynczak Reviewed-by: Nick Vaccaro Reviewed-by: John Su Reviewed-by: Sumeet R Pawnikar --- .../brya/variants/banshee/overridetree.cb | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/src/mainboard/google/brya/variants/banshee/overridetree.cb b/src/mainboard/google/brya/variants/banshee/overridetree.cb index 0dbdd6962c..334a97017f 100644 --- a/src/mainboard/google/brya/variants/banshee/overridetree.cb +++ b/src/mainboard/google/brya/variants/banshee/overridetree.cb @@ -38,6 +38,25 @@ chip soc/intel/alderlake .vnn_sx_voltage_mv = 1250, }" + # VR Settings + register "domain_vr_config[VR_DOMAIN_IA]" = "{ + .vr_config_enable = 1, + .icc_max = 340, + .tdc_timewindow = 28000, + .tdc_currentlimit = 256, + .ac_loadline = 240, + .dc_loadline = 228, + }" + + register "domain_vr_config[VR_DOMAIN_GT]" = "{ + .vr_config_enable = 1, + .icc_max = 220, + .tdc_timewindow = 28000, + .tdc_currentlimit = 256, + .ac_loadline = 313, + .dc_loadline = 294, + }" + register "usb2_ports[3]" = "USB2_PORT_EMPTY" # Disable Port 3 register "usb2_ports[4]" = "USB2_PORT_EMPTY" # Disable Port 4 register "usb2_ports[6]" = "USB2_PORT_EMPTY" # Disable Port 6