diff options
| author | Mark Hsieh <mark_hsieh@wistron.corp-partner.google.com> | 2023-10-05 21:36:38 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-10-09 13:42:24 +0000 |
| commit | 90f8151271b071c08f5d9b4d2a89e1018a3b88fd (patch) | |
| tree | 3f8be6353195e5f0b6d9c2c25d9ebf1efda0703e /src/mainboard/google | |
| parent | 70b517ee5791fb4c5136231304f8cf1d734c66a9 (diff) | |
mb/google/nissa/var/joxer: 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:303533832
TEST=USE="project_joxer emerge-nissa coreboot"
Signed-off-by: Mark Hsieh <mark_hsieh@wistron.corp-partner.google.com>
Change-Id: I575da55b96bf4deacec5c0992eae9930eb0745d6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78256
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Derek Huang <derekhuang@google.com>
Diffstat (limited to 'src/mainboard/google')
| -rw-r--r-- | src/mainboard/google/brya/variants/joxer/overridetree.cb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/joxer/overridetree.cb b/src/mainboard/google/brya/variants/joxer/overridetree.cb index 12175c5eae..135041d0a7 100644 --- a/src/mainboard/google/brya/variants/joxer/overridetree.cb +++ b/src/mainboard/google/brya/variants/joxer/overridetree.cb @@ -16,6 +16,13 @@ end chip soc/intel/alderlake register "sagv" = "SaGv_Enabled" + # 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" + # EMMC Tx CMD Delay # Refer to EDS-Vol2-42.3.7. # [14:8] steps of delay for DDR mode, each 125ps, range: 0 - 39. |