diff options
| author | Ren Kuo <ren.kuo@quanta.corp-partner.google.com> | 2021-01-29 10:22:30 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-02-01 08:53:57 +0000 |
| commit | 460b4f8dfd37cb06fe2a60c57abcc2b2564f8100 (patch) | |
| tree | de29bd018f5aad1c7e75c2ec549d22648038d91d /src/mainboard | |
| parent | 1e9ea81a7f1c081ac2a45949157be1896ee84589 (diff) | |
mb/google/dedede/var/magolor: Configure Acoustic noise mitigation UPDs
Enable Acoustic noise mitigation for magolor and set slew rate to 1/8
which is calibrated value for the board.
BUG=b:178678267
BRANCH=dedede
TEST=build firmware to UPD and Acoustic noise test
Signed-off-by: Ren Kuo <ren.kuo@quanta.corp-partner.google.com>
Change-Id: Idea2a801399bb5c7e0b8e59ee7a826c86a44f4ea
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50099
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/dedede/variants/magolor/overridetree.cb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/magolor/overridetree.cb b/src/mainboard/google/dedede/variants/magolor/overridetree.cb index 78d5ddea37..23932c3fd4 100644 --- a/src/mainboard/google/dedede/variants/magolor/overridetree.cb +++ b/src/mainboard/google/dedede/variants/magolor/overridetree.cb @@ -71,6 +71,12 @@ chip soc/intel/jasperlake register "tcc_offset" = "15" # TCC of 90C + # 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 |