From 3893c8409db5d86c34ba3941db9a0317500f0549 Mon Sep 17 00:00:00 2001 From: Leo Chou Date: Tue, 16 Aug 2022 13:57:44 +0800 Subject: mb/google/nissa/var/pujjo: Configure EE noise mitigation for pujjo - Enable Acoustic noise mitigation - Set slow slew rate VCCIA and VCCGT to 8 - Set FastPkgCRampDisable VCCIA and VCCGT to 1 - Set pre-wake randomization time (DPA) to 100 BUG=b:241349500 TEST=build FW and checked fsp log. Signed-off-by: Leo Chou Change-Id: Id4a1540de8c3ee74695631acc8181dcc446fe137 Reviewed-on: https://review.coreboot.org/c/coreboot/+/66783 Reviewed-by: Reka Norman Tested-by: build bot (Jenkins) --- src/mainboard/google/brya/variants/pujjo/overridetree.cb | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/mainboard/google/brya/variants/pujjo/overridetree.cb b/src/mainboard/google/brya/variants/pujjo/overridetree.cb index 5e0e9fabb2..e9391ddc3a 100644 --- a/src/mainboard/google/brya/variants/pujjo/overridetree.cb +++ b/src/mainboard/google/brya/variants/pujjo/overridetree.cb @@ -22,6 +22,14 @@ fw_config end chip soc/intel/alderlake + # 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 "PreWake" = "100" + register "sagv" = "SaGv_Enabled" # SOC Aux orientation override: -- cgit v1.2.3