Nathan Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/32401
Change subject: mb/google/arcada: Add settings for noise mitgation ......................................................................
mb/google/arcada: Add settings for noise mitgation
Follow DELL decision. Enable acoustic noise mitgation for arcada platform, the slow slew rates for Ia and Gt are fast time dived by 8.
BUG=b:131144464 TEST=waveform test and hardware validation result pass.
Signed-off-by: nathan chen nathan_chen@wistron.corp-partner.google.com Change-Id: I1e87df8a44174f863ac6c1aa1bededb6ff17be9b --- M src/mainboard/google/sarien/variants/arcada/devicetree.cb 1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/01/32401/1
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb index 764322d..8ba0e48 100644 --- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb +++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb @@ -39,7 +39,7 @@ register "AcousticNoiseMitigation" = "1" register "SlowSlewRateForIa" = "2" register "SlowSlewRateForGt" = "2" - register "SlowSlewRateForSa" = "2" + register "SlowSlewRateForSa" = "0" register "SlowSlewRateForFivr" = "2" # Enable eDP device register "DdiPortEdp" = "1"