diff options
| author | Zanxi Chen <chenzanxi@huaqin.corp-partner.google.com> | 2021-06-17 21:21:01 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-06-21 05:33:54 +0000 |
| commit | 50c099fe15d1f72efc3adb37dbca90e0685978e0 (patch) | |
| tree | 5ad90add4b6906da242285677332c5ab4e8b61a4 | |
| parent | 99aecad387190ad09f5ee4f5ee5f53e8ec783a0c (diff) | |
mb/google/dedede/var/blipper: Configure Acoustic noise mitigation UPDs
Enable Acoustic noise mitigation for blipper and set slew rate to 1/8
which is calibrated value for the board.
BUG=b:187760191
BRANCH=dedede
TEST=build firmware to UPD and Acoustic noise test
Change-Id: I187702c23712416eaaaaf1e210dcfc6b2c560041
Signed-off-by: Zanxi Chen <chenzanxi@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55610
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
| -rw-r--r-- | src/mainboard/google/dedede/variants/blipper/overridetree.cb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/blipper/overridetree.cb b/src/mainboard/google/dedede/variants/blipper/overridetree.cb index 4f83dc037c..280ed5d71d 100644 --- a/src/mainboard/google/dedede/variants/blipper/overridetree.cb +++ b/src/mainboard/google/dedede/variants/blipper/overridetree.cb @@ -52,6 +52,12 @@ chip soc/intel/jasperlake register "tcc_offset" = "10" # TCC of 95C + # 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 |