diff options
| author | Nathan_chen <Nathan_chen@wistron.corp-partner.google.com> | 2019-04-23 21:53:27 +0800 |
|---|---|---|
| committer | Duncan Laurie <dlaurie@chromium.org> | 2019-04-24 15:53:26 +0000 |
| commit | 77fb3632a4a3d3004b3aa4950967be9164d9711d (patch) | |
| tree | 993ec4ae02ba5f7a8b7d67619154fa682b76a80e /src | |
| parent | bb4759c15d210753e54d0568392c3c3871a37917 (diff) | |
| download | coreboot-77fb3632a4a3d3004b3aa4950967be9164d9711d.tar.xz | |
mb/google/arcada: Add settings for noise mitgation
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: I37315ecfa245fce3085e62d1566ff037d8aa8ab4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32403
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/sarien/variants/arcada/devicetree.cb | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb index 57c4e65e70..426bdae88d 100644 --- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb +++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb @@ -37,10 +37,10 @@ chip soc/intel/cannonlake 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 |