From 90f8151271b071c08f5d9b4d2a89e1018a3b88fd Mon Sep 17 00:00:00 2001 From: Mark Hsieh Date: Thu, 5 Oct 2023 21:36:38 +0800 Subject: 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 Change-Id: I575da55b96bf4deacec5c0992eae9930eb0745d6 Reviewed-on: https://review.coreboot.org/c/coreboot/+/78256 Tested-by: build bot (Jenkins) Reviewed-by: Derek Huang --- src/mainboard/google/brya/variants/joxer/overridetree.cb | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src/mainboard') 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. -- cgit v1.2.3