marsboard usb otg can load program ; but usb otg can not host ,connect camera,can not find /dev/video*,No response,why?
I believe the marsboard does not have a Freescale chip inside:
MarsBoard | An ARM GUN/Linux box
You may want to try support from them.
There is also a MarSBoard with an iMX6 dual: http://www.embest-tech.com/shop/star/marsboard.html