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>
diff --git a/src/mainboard/google/brya/variants/gimble4es/overridetree.cb b/src/mainboard/google/brya/variants/gimble4es/overridetree.cb
index 5f8bd0e..5b022f6 100644
--- a/src/mainboard/google/brya/variants/gimble4es/overridetree.cb
+++ b/src/mainboard/google/brya/variants/gimble4es/overridetree.cb
@@ -34,6 +34,13 @@
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