=> usb start
starting USB...
Bus usb@48890000: Register 2000140 NbrPorts 2
Starting the controller
USB XHCI 1.00
Bus usb@488d0000: Register 2000140 NbrPorts 2
Starting the controller
USB XHCI 1.00
scanning bus usb@48890000 for devices... 1 USB Device(s) found
scanning bus usb@488d0000 for devices... data abort
pc : [<fffb1a9e>] lr : [<fffb1a95>]
reloc pc : [<80023a9e>] lr : [<80023a95>]
sp : fdf642b0 ip : fffe2ccc fp : 00000000
r10: 00000000 r9 : fdf85ed0 r8 : 00000001
r7 : fdf64340 r6 : 488d0020 r5 : fdf8d9c0 r4 : fdf8b988
r3 : 00000000 r2 : 00000001 r1 : 00000002 r0 : fdf89200
Flags: nZCv IRQs off FIQs off Mode SVC_32 (T)
Code: 6986 685b f3bf 8f5f (f897) c000
Resetting CPU ...