From b80a420369bf890540b9f8972d1f31f804ed12e0 Mon Sep 17 00:00:00 2001 From: Kun Liu Date: Wed, 20 Dec 2023 10:44:20 +0800 Subject: [PATCH] mb/google/rex/var/screebo: Configure slew rate to 1/8 for GT domain set slew rate to 1/8 for GT domain. BUG=b:312405633 BRANCH=none TEST=Able to build and boot google/screebo Change-Id: Ib5cb07b7effc4a51c2119183010a03e026f639f8 Signed-off-by: Kun Liu Reviewed-on: https://review.coreboot.org/c/coreboot/+/79628 Tested-by: build bot (Jenkins) Reviewed-by: Subrata Banik Reviewed-by: Eric Lai Reviewed-by: Rui Zhou --- src/mainboard/google/rex/variants/screebo/overridetree.cb | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/mainboard/google/rex/variants/screebo/overridetree.cb b/src/mainboard/google/rex/variants/screebo/overridetree.cb index 0a66fdb5a9..3af628d787 100644 --- a/src/mainboard/google/rex/variants/screebo/overridetree.cb +++ b/src/mainboard/google/rex/variants/screebo/overridetree.cb @@ -92,10 +92,13 @@ chip soc/intel/meteorlake # Acoustic Noise settings and slew rate configuration: # slew rate for IA Domain: Fast/8 + # slew rate for GT Domain: Fast/8 # Ignore slew rate configuration for SA Domain register "enable_acoustic_noise_mitigation" = "1" register "disable_fast_pkgc_ramp[VR_DOMAIN_IA]" = "1" register "slow_slew_rate_config[VR_DOMAIN_IA]" = "SLEW_FAST_8" + register "disable_fast_pkgc_ramp[VR_DOMAIN_GT]" = "1" + register "slow_slew_rate_config[VR_DOMAIN_GT]" = "SLEW_FAST_8" register "slow_slew_rate_config[VR_DOMAIN_SA]" = "SLEW_IGNORE"