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 <kevin.chang@lcfc.corp-partner.google.com>
Change-Id: I881ded944530b21d1c5e306089d32387c9c258b8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61264
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
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,