Kenneth Chan has uploaded a new patch set (#2). ( https://review.coreboot.org/c/coreboot/+/60239 )
Change subject: mb/google/guybrush/var/dewatt: update USB 2.0 Lane Parameter settings for USB ports ......................................................................
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 --- M src/mainboard/google/guybrush/variants/dewatt/overridetree.cb 1 file changed, 40 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/39/60239/2