From ccd0905a238b33fceb77575cbc46241cf01c7bbc Mon Sep 17 00:00:00 2001 From: Kevin Chang Date: Thu, 20 Jan 2022 14:39:54 +0800 Subject: [PATCH] mb/google/brya/var/{taeko, taeko4es}: Configure Acoustic noise mitigation - Enable Acoustic noise mitigation - Set slow slew rate VCCIA and VCCGT to 8 - Set FastPkgCRampDisable VCCIA and VCCGT to 1 BUG=b:201818726 TEST=build FW and system power on. Signed-off-by: Kevin Chang Change-Id: I881ded944530b21d1c5e306089d32387c9c258b8 Reviewed-on: https://review.coreboot.org/c/coreboot/+/61264 Tested-by: build bot (Jenkins) Reviewed-by: Nick Vaccaro --- src/mainboard/google/brya/variants/taeko/overridetree.cb | 6 ++++++ src/mainboard/google/brya/variants/taeko4es/overridetree.cb | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/src/mainboard/google/brya/variants/taeko/overridetree.cb b/src/mainboard/google/brya/variants/taeko/overridetree.cb index f11da345cb..05eca506be 100644 --- a/src/mainboard/google/brya/variants/taeko/overridetree.cb +++ b/src/mainboard/google/brya/variants/taeko/overridetree.cb @@ -39,6 +39,12 @@ fw_config end end chip soc/intel/alderlake + # Acoustic settings + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate[VR_DOMAIN_IA]" = "SLEW_FAST_8" + register "SlowSlewRate[VR_DOMAIN_GT]" = "SLEW_FAST_8" + register "FastPkgCRampDisable[VR_DOMAIN_IA]" = "1" + register "FastPkgCRampDisable[VR_DOMAIN_GT]" = "1" register "ext_fivr_settings" = "{ .configure_ext_fivr = 1, .v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX, diff --git a/src/mainboard/google/brya/variants/taeko4es/overridetree.cb b/src/mainboard/google/brya/variants/taeko4es/overridetree.cb index de8b42fec1..80aaad5323 100644 --- a/src/mainboard/google/brya/variants/taeko4es/overridetree.cb +++ b/src/mainboard/google/brya/variants/taeko4es/overridetree.cb @@ -39,6 +39,12 @@ fw_config end end chip soc/intel/alderlake + # Acoustic settings + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate[VR_DOMAIN_IA]" = "SLEW_FAST_8" + register "SlowSlewRate[VR_DOMAIN_GT]" = "SLEW_FAST_8" + register "FastPkgCRampDisable[VR_DOMAIN_IA]" = "1" + register "FastPkgCRampDisable[VR_DOMAIN_GT]" = "1" register "ext_fivr_settings" = "{ .configure_ext_fivr = 1, .v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX,