| commit | 9fe2ce802af0751b2df657e487631df8fb60ab9f | |
| author | Kenneth Chan <kenneth.chan@quanta.corp-partner.google.com> | |
| Mon, 20 Dec 2021 04:16:03 +0000 (20 12:16 +0800) | ||
| committer | Felix Held <felix-coreboot@felixheld.de> | |
| Thu, 23 Dec 2021 14:32:20 +0000 (23 14:32 +0000) | ||
| tree | cdc9b4ce4e5814cd89bd8076c1c54c53c6689db8 | treesnapshot (tar.gz zip) |
| parent | 2ea8b945ec181aff42011fc73e503eee91c72545 | commitdiff |
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>
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>
| src/mainboard/google/guybrush/variants/dewatt/overridetree.cb | diffblobblamehistory |