From 85adcdbff4536be3dcb222e3823492c572851882 Mon Sep 17 00:00:00 2001 From: Dtrain Hsu Date: Fri, 18 Dec 2020 10:19:14 +0800 Subject: mb/google/dedede/var/madoo: Configure Acoustic noise mitigation UPDs Enable Acoustic noise mitigation for madoo and set slew rate to 1/8 which is calibrated value for the board. Other values like PreWake, Rampup and RampDown are 0 by default. BUG=b:173765599 BRANCH=dedede TEST=Correct value is passed to UPD and Acoustic noise test passes. Signed-off-by: Dtrain Hsu Change-Id: I968d8d43016e3569835b0a777335fa1d5c135f87 Reviewed-on: https://review.coreboot.org/c/coreboot/+/48721 Tested-by: build bot (Jenkins) Reviewed-by: Karthik Ramasubramanian --- src/mainboard/google/dedede/variants/madoo/overridetree.cb | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/mainboard/google/dedede') diff --git a/src/mainboard/google/dedede/variants/madoo/overridetree.cb b/src/mainboard/google/dedede/variants/madoo/overridetree.cb index c7f39952c5..993bfbba89 100644 --- a/src/mainboard/google/dedede/variants/madoo/overridetree.cb +++ b/src/mainboard/google/dedede/variants/madoo/overridetree.cb @@ -61,6 +61,11 @@ chip soc/intel/jasperlake register "tcc_offset" = "10" # TCC of 95C + # Enable Acoustic noise mitigation and set slew rate to 1/8 + # Rest of the parameters are 0 by default. + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate" = "2" + device domain 0 on device pci 04.0 on chip drivers/intel/dptf -- cgit v1.2.3