Dear NXP ,
SW kernel version : 5.10.9
HW : srg_imx8mplus (base on imx8mplus)
(1) I run command as follows: (USB 2.0 port)
echo "host" >> /sys/kernel/debug/usb/38200000.dwc3/mode
memtool mw -l 0x38200424 0x40000000
test result : It can shows the USB 2.0 eye diagram .
(2)
I run command as follows: (USB 3.0 port)
echo "host" >> /sys/kernel/debug/usb/38100000.dwc3/mode
memtool mw -l 0x38100424 0x40000000
test result :It can't shows the USB 2.0 eye diagram .
log:
[ 221.605534] usb usb1-port1: Cannot enable. Maybe the USB cable is bad?
[ 221.612218] usb usb1-port1: unable to enumerate USB device
Is my command error ?
Please help me deal with this problem .
