Shaunak Saha has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/45053 )
Change subject: mb/google/volteer: Add settings for noise mitgation ......................................................................
mb/google/volteer: Add settings for noise mitgation
Enable acoustic noise mitgation for volteer platform.
BUG=b:153015585 BRANCH=none TEST= Measure the change in noise level by changing the values in devicetree.
Signed-off-by: Shaunak Saha shaunak.saha@intel.com Change-Id: I69a6453091bf607d3c5847c99bc077e6b7dbc639 --- M src/mainboard/google/volteer/variants/baseboard/devicetree.cb 1 file changed, 11 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/53/45053/1
diff --git a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb index ffae2f0..5e33f41 100644 --- a/src/mainboard/google/volteer/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/volteer/variants/baseboard/devicetree.cb @@ -232,6 +232,17 @@
register "tcc_offset" = "10" # TCC of 90
+ # Acoustic settings + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate[0]" = "2" + register "SlowSlewRate[1]" = "2" + register "SlowSlewRate[2]" = "2" + register "SlowSlewRate[3]" = "2" + register "FastPkgCRampDisable[0]" = "1" + register "FastPkgCRampDisable[1]" = "1" + register "FastPkgCRampDisable[2]" = "1" + register "FastPkgCRampDisable[3]" = "1" + # Intel Common SoC Config #+-------------------+---------------------------+ #| Field | Value |