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

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/63442 )

Change subject: mb/google/brya/var/taniks: Configure Acoustic noise mitigation
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mb/google/brya/var/taniks: 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:227165770
TEST=build FW and system power on.

Signed-off-by: leo.chou 
Change-Id: I262ef14032e0e412c63403dbb8c8fbc6a8b03dd5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63442
Tested-by: build bot (Jenkins) 
Reviewed-by: Tim Wawrzynczak 
Reviewed-by: Eric Lai 
---
M src/mainboard/google/brya/variants/taniks/overridetree.cb
1 file changed, 6 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Tim Wawrzynczak: Looks good to me, approved
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/taniks/overridetree.cb b/src/mainboard/google/brya/variants/taniks/overridetree.cb
index 7b23d6e..6a10884 100644
--- a/src/mainboard/google/brya/variants/taniks/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taniks/overridetree.cb
@@ -36,6 +36,12 @@
    end
 end
 chip soc/intel/alderlake
+	# Acoustic settings
+	register "acoustic_noise_mitigation" = "1"
+	register "slow_slew_rate[VR_DOMAIN_IA]" = "SLEW_FAST_8"
+	register "slow_slew_rate[VR_DOMAIN_GT]" = "SLEW_FAST_8"
+	register "fast_pkg_c_ramp_disable[VR_DOMAIN_IA]" = "1"
+	register "fast_pkg_c_ramp_disable[VR_DOMAIN_GT]" = "1"
    register "ext_fivr_settings" = "{
    	.configure_ext_fivr = 1,
    	.v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX,