diff options
| author | David Wu <david_wu@quanta.corp-partner.google.com> | 2022-04-13 16:43:54 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-04-14 18:02:24 +0000 |
| commit | 7dd92959a35012706e0df77d980f58ee91c1751b (patch) | |
| tree | 338915a3d1537b6a22ba9bf7441b591cd2f88230 | |
| parent | bb92a7f6a7821803503b6eaea9e7b59c3b6b44c6 (diff) | |
mb/google/brya/var/kano: Configure Acoustic noise mitigation
Setup the following acoustic noise mitigation features:
1) Slew rate for both IA and GT domains to 1/8
2) Disable Fast package C ramp
BUG=b:229046516
TEST=build and verified by power team
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Change-Id: Ifb5700391e33818878994f205acae7ee3b1b96d9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63610
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
| -rw-r--r-- | src/mainboard/google/brya/variants/kano/overridetree.cb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/kano/overridetree.cb b/src/mainboard/google/brya/variants/kano/overridetree.cb index 7b36d3b8f8..5962fd1a25 100644 --- a/src/mainboard/google/brya/variants/kano/overridetree.cb +++ b/src/mainboard/google/brya/variants/kano/overridetree.cb @@ -22,6 +22,13 @@ chip soc/intel/alderlake # GPE configuration register "pmc_gpe0_dw1" = "GPP_D" + # 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" + register "usb2_ports[1]" = "USB2_PORT_EMPTY" # Disable USB2_C1 register "usb2_ports[3]" = "USB2_PORT_EMPTY" # Disable M.2 WWAN |