diff options
author | Seunghwan Kim <sh_.kim@samsung.corp-partner.google.com> | 2024-03-07 15:18:21 +0900 |
---|---|---|
committer | Martin L Roth <gaumless@gmail.com> | 2024-03-09 23:36:28 +0000 |
commit | aba7a34df264cbf41496bef1e674a2f60f9e96aa (patch) | |
tree | 801748a8be34c6e762f945d53f2771e782c9e637 /src | |
parent | f02e00a97a02c009e75cd93e6ded53ef690bd3db (diff) |
mb/google/brya/var/xol: Configure Acoustic noise mitigation
Enable Acoustic noise mitigation for xol. The setting values are from
internal power team.
- Enable Acoustic noise mitigation
- Set slow slew rate VCCIA and VCCGT to SLEW_FAST_4
- Set FastPkgCRampDisable VCCIA and VCCGT to 1
BUG=None
TEST=FW_NAME=xol emerge-brya coreboot chromeos-bootimage
Change-Id: I6165ae6ca73d1467a1d2cc7bd545298bd4c2f54f
Signed-off-by: Seunghwan Kim <sh_.kim@samsung.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81103
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/mainboard/google/brya/variants/xol/overridetree.cb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/xol/overridetree.cb b/src/mainboard/google/brya/variants/xol/overridetree.cb index 0547dca8fe..18e8ace5f6 100644 --- a/src/mainboard/google/brya/variants/xol/overridetree.cb +++ b/src/mainboard/google/brya/variants/xol/overridetree.cb @@ -10,6 +10,13 @@ chip soc/intel/alderlake .enable_fast_vmode = 1, }" + # 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" register "pch_slp_a_min_assertion_width" = "SLP_A_ASSERTION_DEFAULT" |