[coreboot-gerrit] [XS] Change in coreboot[main]: mb/google/nissa/var/riven: Configure Acoustic noise mitigation

[David Wu (Code Review)]

Attention is currently required from: David Wu, Dinesh Gehlot, Jayvik Desai, Nick Vaccaro.

Hello Dinesh Gehlot, Eric Lai, Jayvik Desai, Kapil Porwal, Nick Vaccaro, Subrata Banik, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/84908?usp=email

to look at the new patch set (#4).

Change subject: mb/google/nissa/var/riven: Configure Acoustic noise mitigation
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mb/google/nissa/var/riven: Configure Acoustic noise mitigation

Follow the power team’s recommendation:
- Enable Acoustic noise mitigation
- Set slow slew rate VCCIA and VCCGT to SLEW_FAST_4
- Set FastPkgCRampDisable VCCIA and VCCGT to 1

BUG=b:376165743
TEST=built firmware and verified by power team,
     the acoustic noise can be improved a lot.

Change-Id: Ia71985ef21d634763fc5ae22e4f611f7f5e9652a
Signed-off-by: David Wu 
---
M src/mainboard/google/brya/variants/riven/overridetree.cb
1 file changed, 7 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/08/84908/4