diff options
| author | David Wu <david_wu@quanta.corp-partner.google.com> | 2024-10-29 15:12:07 +0800 |
|---|---|---|
| committer | Eric Lai <ericllai@google.com> | 2024-11-08 02:49:04 +0000 |
| commit | 2c98b3ad235a63ec279990a694f91e32098f3da5 (patch) | |
| tree | 1e0cef25cbf96cfe2cdcb5b6261e6c1bea18a238 /src/mainboard/google/brya | |
| parent | 8d3f419cbc345884aedd7a2f9c1b5bcf378dcefd (diff) | |
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 <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84908
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Jayvik Desai <jayvik@google.com>
Diffstat (limited to 'src/mainboard/google/brya')
| -rw-r--r-- | src/mainboard/google/brya/variants/riven/overridetree.cb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/riven/overridetree.cb b/src/mainboard/google/brya/variants/riven/overridetree.cb index d565897e3d..00947c41f4 100644 --- a/src/mainboard/google/brya/variants/riven/overridetree.cb +++ b/src/mainboard/google/brya/variants/riven/overridetree.cb @@ -24,6 +24,13 @@ fw_config end chip soc/intel/alderlake + # Acoustic settings + register "acoustic_noise_mitigation" = "1" + register "slow_slew_rate[VR_DOMAIN_IA]" = "SLEW_FAST_4" + register "slow_slew_rate[VR_DOMAIN_GT]" = "SLEW_FAST_4" + register "fast_pkg_c_ramp_disable[VR_DOMAIN_IA]" = "1" + register "fast_pkg_c_ramp_disable[VR_DOMAIN_GT]" = "1" + register "sagv" = "SaGv_Enabled" # EMMC Tx CMD Delay |