Change in coreboot[master]: mb/google/brya/var/{taeko, taeko4es}: Configure Acoustic noise mitiga...

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/61264 )

Change subject: mb/google/brya/var/{taeko, taeko4es}: Configure Acoustic noise mitigation
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mb/google/brya/var/{taeko, taeko4es}: Configure Acoustic noise mitigation

- Enable Acoustic noise mitigation
- Set slow slew rate VCCIA and VCCGT to 8
- Set FastPkgCRampDisable VCCIA and VCCGT to 1

BUG=b:201818726
TEST=build FW and system power on.

Signed-off-by: Kevin Chang 
Change-Id: I881ded944530b21d1c5e306089d32387c9c258b8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61264
Tested-by: build bot (Jenkins) 
Reviewed-by: Nick Vaccaro 
---
M src/mainboard/google/brya/variants/taeko/overridetree.cb
M src/mainboard/google/brya/variants/taeko4es/overridetree.cb
2 files changed, 12 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Nick Vaccaro: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/taeko/overridetree.cb b/src/mainboard/google/brya/variants/taeko/overridetree.cb
index f11da34..05eca50 100644
--- a/src/mainboard/google/brya/variants/taeko/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taeko/overridetree.cb
@@ -39,6 +39,12 @@
    end
 end
 chip soc/intel/alderlake
+	# 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"
    register "ext_fivr_settings" = "{
    	.configure_ext_fivr = 1,
    	.v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX,
diff --git a/src/mainboard/google/brya/variants/taeko4es/overridetree.cb b/src/mainboard/google/brya/variants/taeko4es/overridetree.cb
index de8b42f..80aaad5 100644
--- a/src/mainboard/google/brya/variants/taeko4es/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taeko4es/overridetree.cb
@@ -39,6 +39,12 @@
    end
 end
 chip soc/intel/alderlake
+	# 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"
    register "ext_fivr_settings" = "{
    	.configure_ext_fivr = 1,
    	.v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX,