From aba7a34df264cbf41496bef1e674a2f60f9e96aa Mon Sep 17 00:00:00 2001 From: Seunghwan Kim Date: Thu, 7 Mar 2024 15:18:21 +0900 Subject: 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/81103 Reviewed-by: Subrata Banik Tested-by: build bot (Jenkins) Reviewed-by: Kapil Porwal --- src/mainboard/google/brya/variants/xol/overridetree.cb | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/mainboard/google') 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" -- cgit v1.2.3