[coreboot-gerrit] Change in coreboot[master]: mb/google/brya/var/redrix: Configure Acoustic noise mitigation

[Chen Wisley (Code Review)]

Attention is currently required from: Wisley Chen.
Hello Wisley Chen,

I'd like you to do a code review. Please visit

https://review.coreboot.org/c/coreboot/+/58947

to review the following change.

Change subject: mb/google/brya/var/redrix: Configure Acoustic noise mitigation
......................................................................

mb/google/brya/var/redrix: Configure Acoustic noise mitigation

Enable Acoustic noise mitigation for redrix and set slew rate to 1/8

BUG=b:204009588
TEST=build and verified by power team

Signed-off-by: Wisley Chen 
Change-Id: I0fc0bb68c4de6fca60ee290eb46a77200d748ca8
---
M src/mainboard/google/brya/variants/redrix/overridetree.cb
1 file changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/47/58947/1

diff --git a/src/mainboard/google/brya/variants/redrix/overridetree.cb b/src/mainboard/google/brya/variants/redrix/overridetree.cb
index ce9ba37..4c424ba 100644
--- a/src/mainboard/google/brya/variants/redrix/overridetree.cb
+++ b/src/mainboard/google/brya/variants/redrix/overridetree.cb
@@ -37,6 +37,11 @@
    # FIVR RFI Spread Spectrum 6%
    register "FivrSpreadSpectrum" = "FIVR_SS_6"

+	# Acoustic settings
+	register "AcousticNoiseMitigation" = "1"
+	register "SlowSlewRate" = "SLEW_FAST_8"
+	register "FastPkgCRampDisable" = "1"
+
    # Intel Common SoC Config
    #+-------------------+---------------------------+
    #| Field             |  Value                    |