Change in coreboot[master]: mb/google/brya/var/anahera{4es}: 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/+/62633

to review the following change.

Change subject: mb/google/brya/var/anahera{4es}: Configure Acoustic noise mitigation
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mb/google/brya/var/anahera{4es}: Configure Acoustic noise mitigation

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

BUG=b:223082189
TEST=build and verified by power team

Change-Id: I256cc57fb54e5d62e22470a01e7efef359d57083
Signed-off-by: Wisley Chen 
---
M src/mainboard/google/brya/variants/anahera/overridetree.cb
M src/mainboard/google/brya/variants/anahera4es/overridetree.cb
2 files changed, 14 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/33/62633/1

diff --git a/src/mainboard/google/brya/variants/anahera/overridetree.cb b/src/mainboard/google/brya/variants/anahera/overridetree.cb
index 6a79a96..0db917e 100644
--- a/src/mainboard/google/brya/variants/anahera/overridetree.cb
+++ b/src/mainboard/google/brya/variants/anahera/overridetree.cb
@@ -23,6 +23,13 @@
 end
 chip soc/intel/alderlake
    register "SaGv" = "SaGv_Enabled"
+	# Acoustic settings
+	register "AcousticNoiseMitigation" = "1"
+	register "SlowSlewRate[VR_DOMAIN_IA]" = "SLEW_FAST_8"
+	register "SlowSlewRate[VR_DOMAIN_GT]" = "SLEW_FAST_8"
+	register "FastPkgCRampDisable[VR_DOMAIN_IA]" = "1"
+	register "FastPkgCRampDisable[VR_DOMAIN_GT]" = "1"
+
    # Intel Common SoC Config
    #+-------------------+---------------------------+
    #| Field             |  Value                    |
diff --git a/src/mainboard/google/brya/variants/anahera4es/overridetree.cb b/src/mainboard/google/brya/variants/anahera4es/overridetree.cb
index ab432e9..6136565 100644
--- a/src/mainboard/google/brya/variants/anahera4es/overridetree.cb
+++ b/src/mainboard/google/brya/variants/anahera4es/overridetree.cb
@@ -23,6 +23,13 @@
 end
 chip soc/intel/alderlake
    register "SaGv" = "SaGv_Enabled"
+	# Acoustic settings
+	register "AcousticNoiseMitigation" = "1"
+	register "SlowSlewRate[VR_DOMAIN_IA]" = "SLEW_FAST_8"
+	register "SlowSlewRate[VR_DOMAIN_GT]" = "SLEW_FAST_8"
+	register "FastPkgCRampDisable[VR_DOMAIN_IA]" = "1"
+	register "FastPkgCRampDisable[VR_DOMAIN_GT]" = "1"
+
    # Intel Common SoC Config
    #+-------------------+---------------------------+
    #| Field             |  Value                    |