From e9efd3248550e01a5043860f25239a799d5b19bc Mon Sep 17 00:00:00 2001 From: Bora Guvendik Date: Mon, 15 May 2023 14:35:22 -0700 Subject: [PATCH] mb/google/rex: Set frequency and gears for SaGv points Restrict memory speed to 6400 MTS as per board design. BUG=b:282164577 TEST=Verified the settings on google/rex using debug FSP logs. Signed-off-by: Bora Guvendik Change-Id: I3dec383c7c585b80a73089f3403011c5cda61f65 Reviewed-on: https://review.coreboot.org/c/coreboot/+/75291 Tested-by: build bot (Jenkins) Reviewed-by: Subrata Banik --- .../google/rex/variants/baseboard/rex/devicetree.cb | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb index 09d49d05a9..bd5b0bb237 100644 --- a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb +++ b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb @@ -41,6 +41,18 @@ chip soc/intel/meteorlake register "sagv" = "SAGV_ENABLED" + register "sagv_freq_mhz[0]" = "2133" + register "sagv_gear[0]" = "4" + + register "sagv_freq_mhz[1]" = "6000" + register "sagv_gear[1]" = "4" + + register "sagv_freq_mhz[2]" = "6400" + register "sagv_gear[2]" = "4" + + register "sagv_freq_mhz[3]" = "5600" + register "sagv_gear[3]" = "2" + # Set on-board graphics as primary display register "skip_ext_gfx_scan" = "1"