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authorSeunghwan Kim <sh_.kim@samsung.corp-partner.google.com>2024-03-07 15:18:21 +0900
committerMartin L Roth <gaumless@gmail.com>2024-03-09 23:36:28 +0000
commitaba7a34df264cbf41496bef1e674a2f60f9e96aa (patch)
tree801748a8be34c6e762f945d53f2771e782c9e637 /src/mainboard/google/brya
parentf02e00a97a02c009e75cd93e6ded53ef690bd3db (diff)
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 <sh_.kim@samsung.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/81103 Reviewed-by: Subrata Banik <subratabanik@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Diffstat (limited to 'src/mainboard/google/brya')
-rw-r--r--src/mainboard/google/brya/variants/xol/overridetree.cb7
1 files changed, 7 insertions, 0 deletions
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"