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authorMark Hsieh <mark_hsieh@wistron.corp-partner.google.com>2021-12-07 17:22:42 +0800
committerFelix Held <felix-coreboot@felixheld.de>2021-12-23 15:08:01 +0000
commit8402c421b1e607164297d3d3e93225a205893610 (patch)
tree10df6c0334565dad29ae43b83f2ff61a6e0cecf4 /src
parentb647e35119c10099b78609f432a7cb9ad3e7e1e2 (diff)
mb/google/brya/var/gimble4es: Configure Acoustic noise mitigation
- Enable Acoustic noise mitigation - Copied from gimble set slow slew rate VCCIA and VCCGT to 8 BUG=b:206704930 TEST=USE="project_gimble emerge-brya coreboot" and verify it builds without error. Signed-off-by: Mark Hsieh <mark_hsieh@wistron.corp-partner.google.com> Change-Id: I156859ce6894a6ed5270fe0242de4aef9656bbeb Reviewed-on: https://review.coreboot.org/c/coreboot/+/59949 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: YH Lin <yueherngl@google.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/brya/variants/gimble4es/overridetree.cb7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/gimble4es/overridetree.cb b/src/mainboard/google/brya/variants/gimble4es/overridetree.cb
index 5f8bd0eabc..5b022f642c 100644
--- a/src/mainboard/google/brya/variants/gimble4es/overridetree.cb
+++ b/src/mainboard/google/brya/variants/gimble4es/overridetree.cb
@@ -34,6 +34,13 @@ chip soc/intel/alderlake
register "SaGv" = "SaGv_Enabled"
register "PsysPmax" = "143"
register "TcssAuxOri" = "1"
+ # Acoustic settings
+ register "AcousticNoiseMitigation" = "1"
+ register "SlowSlewRate[VR_DOMAIN_IA]" = "SLEW_FAST_8"
+ register "SlowSlewRate[VR_DOMAIN_GT]" = "SLEW_FAST_8"
+ register "FastPkgCRampDisable[VR_DOMAIN_IA]" = "1"
+ register "FastPkgCRampDisable[VR_DOMAIN_GT]" = "1"
+
register "typec_aux_bias_pads[0]" = "{.pad_auxp_dc = GPP_E22, .pad_auxn_dc = GPP_E23}"
register "usb2_ports[1]" = "USB2_PORT_MAX(OC1)" # set MAX to USB2_C1 for eye diagram
register "usb2_ports[2]" = "USB2_PORT_EMPTY" # Disable USB2_C2