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

[Eric Lai (Code Review)]

Eric Lai has submitted this change. ( https://review.coreboot.org/c/coreboot/+/73491 )

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

- Enable Acoustic noise mitigation
- Set slow slew rate VCCIA and VCCGT to SLEW_FAST_8
- Set FastPkgCRampDisable VCCIA and VCCGT to 1

BUG=b:271788117
TEST=build FW and system power on.

Signed-off-by: Frank Chu 
Change-Id: I411c91e1e70285afbf31750a56a039d60bbe093f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73491
Tested-by: build bot (Jenkins) 
Reviewed-by: Tracy Wu 
Reviewed-by: Kyle Lin 
Reviewed-by: Derek Huang 
Reviewed-by: Frank Chu 
---
M src/mainboard/google/brya/variants/marasov/overridetree.cb
1 file changed, 29 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Frank Chu: Looks good to me, but someone else must approve
  Tracy Wu: Looks good to me, but someone else must approve
  Derek Huang: Looks good to me, approved
  Kyle Lin: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/brya/variants/marasov/overridetree.cb b/src/mainboard/google/brya/variants/marasov/overridetree.cb
index a138c27..79d5abb 100644
--- a/src/mainboard/google/brya/variants/marasov/overridetree.cb
+++ b/src/mainboard/google/brya/variants/marasov/overridetree.cb
@@ -24,6 +24,12 @@
 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"

# Intel Common SoC Config
    #+-------------------+---------------------------+