GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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 <dtrain_hsu@compal.corp-partner.google.com>
Change-Id: I968d8d43016e3569835b0a777335fa1d5c135f87
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48721
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
This commit is contained in:
Dtrain Hsu 2020-12-18 10:19:14 +08:00 committed by Hung-Te Lin
parent 8cb922346f
commit 85adcdbff4
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/mainboard/google/dedede/variants/madoo/overridetree.cb
View File

@ -61,6 +61,11 @@ chip soc/intel/jasperlake
register "tcc_offset" = "10" # TCC of 95C 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 domain 0 on
device pci 04.0 on device pci 04.0 on
chip drivers/intel/dptf chip drivers/intel/dptf