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authorFrank Chu <Frank_Chu@pegatron.corp-partner.google.com>2023-03-06 16:38:29 +0800
committerEric Lai <eric_lai@quanta.corp-partner.google.com>2023-04-10 01:17:20 +0000
commit3834275eb8761f5bfc8448e55199511dc0930b3a (patch)
treee1880e7841343b29b5a3fd3d2a1f840fcb0869e1 /src/mainboard
parent7af504b03f0d2987abdde9289095d5a46e6896b9 (diff)
mb/google/brya/var/marasov: 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:271788117 TEST=build FW and system power on. Signed-off-by: Frank Chu <Frank_Chu@pegatron.corp-partner.google.com> Change-Id: I411c91e1e70285afbf31750a56a039d60bbe093f Reviewed-on: https://review.coreboot.org/c/coreboot/+/73491 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tracy Wu <tracy.wu@intel.corp-partner.google.com> Reviewed-by: Kyle Lin <kylelinck@google.com> Reviewed-by: Derek Huang <derekhuang@google.com> Reviewed-by: Frank Chu <frank_chu@pegatron.corp-partner.google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/brya/variants/marasov/overridetree.cb6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/marasov/overridetree.cb b/src/mainboard/google/brya/variants/marasov/overridetree.cb
index a138c27c9b..79d5abb82c 100644
--- a/src/mainboard/google/brya/variants/marasov/overridetree.cb
+++ b/src/mainboard/google/brya/variants/marasov/overridetree.cb
@@ -24,6 +24,12 @@ 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"
# Intel Common SoC Config
#+-------------------+---------------------------+