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authorLeo Chou <leo.chou@lcfc.corp-partner.google.com>2022-08-16 13:57:44 +0800
committerTim Wawrzynczak <twawrzynczak@chromium.org>2022-08-17 19:43:00 +0000
commit3893c8409db5d86c34ba3941db9a0317500f0549 (patch)
treef6c537f9e6182077247a97b1ccd838270c7e230b
parent38155a1549a177145d5d4a52552d58d20db9d17c (diff)
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 <leo.chou@lcfc.corp-partner.google.com> Change-Id: Id4a1540de8c3ee74695631acc8181dcc446fe137 Reviewed-on: https://review.coreboot.org/c/coreboot/+/66783 Reviewed-by: Reka Norman <rekanorman@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
-rw-r--r--src/mainboard/google/brya/variants/pujjo/overridetree.cb8
1 files changed, 8 insertions, 0 deletions
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: