diff options
| author | Kenneth Chan <kenneth.chan@quanta.corp-partner.google.com> | 2021-12-20 12:16:03 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-12-23 14:32:20 +0000 |
| commit | 9fe2ce802af0751b2df657e487631df8fb60ab9f (patch) | |
| tree | cdc9b4ce4e5814cd89bd8076c1c54c53c6689db8 /src/drivers/intel | |
| parent | 2ea8b945ec181aff42011fc73e503eee91c72545 (diff) | |
mb/google/guybrush/var/dewatt: update USB 2.0 Lane Parameter settings for USB ports
Tune the USB phy settings to update txpreempamptune to 3 and txvreftune to 6 for passing USB 2.0 SI Eye diagram measurement (port 0/1/4).
BUG=b:199468920
TEST= emerge-guybrush coreboot; pass USB 2.0 SI Eye diagram measurement.
Signed-off-by: Kenneth Chan <kenneth.chan@quanta.corp-partner.google.com>
Change-Id: Ie46c9019186f1893d736fc2806ab74a4f1171be7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60239
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
Diffstat (limited to 'src/drivers/intel')
0 files changed, 0 insertions, 0 deletions