Nathan Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/32520
Change subject: Enable acoustic noise mitgation for arcada platform, the slow slew rates for Ia and Gt are fast time dived by 8. ......................................................................
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: I2ebcca803deb04737bfb5b2c134b164971f3688e --- M src/mainboard/google/sarien/variants/arcada/devicetree.cb 1 file changed, 3 insertions(+), 3 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/20/32520/1
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb index cf64c4b..77bd82a 100644 --- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb +++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb @@ -37,10 +37,10 @@ register "tdp_pl2_override" = "51" register "Device4Enable" = "1" register "AcousticNoiseMitigation" = "1" - register "SlowSlewRateForIa" = "0" - register "SlowSlewRateForGt" = "0" + register "SlowSlewRateForIa" = "2" + register "SlowSlewRateForGt" = "2" register "SlowSlewRateForSa" = "0" - register "SlowSlewRateForFivr" = "0" + register "SlowSlewRateForFivr" = "2" # Enable eDP device register "DdiPortEdp" = "1" # Enable HPD for DDI ports B/C