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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>
This commit is contained in:
David Wu 2022-04-13 16:43:54 +08:00 committed by Felix Held
parent bb92a7f6a7
commit 7dd92959a3
1 changed files with 7 additions and 0 deletions
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7
src/mainboard/google/brya/variants/kano/overridetree.cb
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@ -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