From 10b8410a2ed5434f646bb95ad676e8665ac8a78b Mon Sep 17 00:00:00 2001 From: Jeremy Soller Date: Fri, 20 Nov 2020 19:58:33 -0700 Subject: [PATCH] Try acoustic noise mitigation Change-Id: I6d6bffedbb48f5340e664fc9c7bdd406e9ed8680 --- src/mainboard/system76/galp5/devicetree.cb | 11 +++++++++++ src/mainboard/system76/lemp10/devicetree.cb | 11 +++++++++++ 2 files changed, 22 insertions(+) diff --git a/src/mainboard/system76/galp5/devicetree.cb b/src/mainboard/system76/galp5/devicetree.cb index 152748aa94..d676b7e032 100644 --- a/src/mainboard/system76/galp5/devicetree.cb +++ b/src/mainboard/system76/galp5/devicetree.cb @@ -46,6 +46,17 @@ chip soc/intel/tigerlake register "SaGv" = "SaGv_Enabled" # FSP Silicon (soc/intel/tigerlake/fsp_params.c) + # Acoustic settings + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate[VR_DOMAIN_IA]" = "SLEW_FAST_8" + register "SlowSlewRate[VR_DOMAIN_GT]" = "SLEW_FAST_8" + register "SlowSlewRate[VR_DOMAIN_SA]" = "SLEW_FAST_8" + register "SlowSlewRate[VR_DOMAIN_VLCC]" = "SLEW_FAST_8" + register "FastPkgCRampDisable[VR_DOMAIN_IA]" = "1" + register "FastPkgCRampDisable[VR_DOMAIN_GT]" = "1" + register "FastPkgCRampDisable[VR_DOMAIN_SA]" = "1" + register "FastPkgCRampDisable[VR_DOMAIN_VLCC]" = "1" + # FIVR configuration # Read EXT_RAIL_CONFIG to determine bitmaps # sudo devmem2 0xfe0011b8 diff --git a/src/mainboard/system76/lemp10/devicetree.cb b/src/mainboard/system76/lemp10/devicetree.cb index 6891ac98db..6a34d688e8 100644 --- a/src/mainboard/system76/lemp10/devicetree.cb +++ b/src/mainboard/system76/lemp10/devicetree.cb @@ -46,6 +46,17 @@ chip soc/intel/tigerlake register "SaGv" = "SaGv_Enabled" # FSP Silicon (soc/intel/tigerlake/fsp_params.c) + # Acoustic settings + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate[VR_DOMAIN_IA]" = "SLEW_FAST_8" + register "SlowSlewRate[VR_DOMAIN_GT]" = "SLEW_FAST_8" + register "SlowSlewRate[VR_DOMAIN_SA]" = "SLEW_FAST_8" + register "SlowSlewRate[VR_DOMAIN_VLCC]" = "SLEW_FAST_8" + register "FastPkgCRampDisable[VR_DOMAIN_IA]" = "1" + register "FastPkgCRampDisable[VR_DOMAIN_GT]" = "1" + register "FastPkgCRampDisable[VR_DOMAIN_SA]" = "1" + register "FastPkgCRampDisable[VR_DOMAIN_VLCC]" = "1" + # FIVR configuration # Read EXT_RAIL_CONFIG to determine bitmaps # sudo devmem2 0xfe0011b8