diff options
| author | Stanley Wu <stanley1.wu@lcfc.corp-partner.google.com> | 2021-04-06 18:27:31 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-04-09 06:23:39 +0000 |
| commit | ec76ae082a985981cc9472c86e87ca5a3d623b84 (patch) | |
| tree | 9579ce95e0d035ec9f8ebfdb10f456c56f79c087 | |
| parent | 474ed6b46f082fdfbc8f41191aa51bf595889ae8 (diff) | |
mb/google/dedede/var/boten: Configure Acoustic noise mitigation UPDs
Enable Acoustic noise mitigation for boten and set slew rate to 1/8
which is calibrated value for the board.
BUG=b:180668001
BRANCH=dedede
TEST=build firmware to UPD and Acoustic noise test
Change-Id: I75851bd7c279feeab4ab94f4c82d55bf0e5ce316
Signed-off-by: Stanley Wu <stanley1.wu@lcfc.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52135
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
| -rw-r--r-- | src/mainboard/google/dedede/variants/boten/overridetree.cb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/boten/overridetree.cb b/src/mainboard/google/dedede/variants/boten/overridetree.cb index 34044ff569..f914b82b79 100644 --- a/src/mainboard/google/dedede/variants/boten/overridetree.cb +++ b/src/mainboard/google/dedede/variants/boten/overridetree.cb @@ -74,6 +74,12 @@ chip soc/intel/jasperlake [PchSerialIoIndexI2C5] = PchSerialIoPci, }" + # Enable Acoustic noise mitigation and set slew rate to 1/8 + # Rest of the parameters are 0 by default. + register "AcousticNoiseMitigation" = "1" + register "SlowSlewRate" = "SlewRateFastBy8" + register "FastPkgCRampDisable" = "1" + device domain 0 on device pci 04.0 on chip drivers/intel/dptf |