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mb/google/dedede/var/lantis: Configure Acoustic noise mitigation UPDs 

Enable Acoustic noise mitigation for lantis and set slew rate to 1/4
which is calibrated value for the board. Other values like PreWake,
Rampup and RampDown are 0 by default.

BUG=b:183561593
BRANCH=dedede
TEST=EE verify acoustic noise test passes.

Change-Id: I5e5f24ed934910726c220678068d085b6ee2bcf6
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51762
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Tony Huang 2021-03-24 13:16:03 +08:00 committed by Karthik Ramasubramanian
parent cce7d826db
commit ebf380b566
1 changed files with 6 additions and 0 deletions
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6
src/mainboard/google/dedede/variants/lantis/overridetree.cb
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@ -65,6 +65,12 @@ chip soc/intel/jasperlake
.tdp_pl2_override = 15,
}"
# Enable Acoustic noise mitigation and set slew rate to 1/4
# Rest of the parameters are 0 by default.
register "AcousticNoiseMitigation" = "1"
register "SlowSlewRate" = "SlewRateFastBy4"
register "FastPkgCRampDisable" = "1"
device domain 0 on
device pci 04.0 on
chip drivers/intel/dptf