[BPI-M2 Berry: Only RED led is ON, nothing happens later]

Hi, I have BPI-M2 Berry for my application development. I setup raspbian jessie on it. But there is no booting seems, only red led is ON once i power it using 5V/2A adapter. Please suggest whats wrong is there.

BR, /Ash

please see here:

http://wiki.banana-pi.org/Getting_Started_with_M2_Ultra_%26_Berry

Thanks for your prompt reply! Can i use OTG port of BPI-M2 Berry for power input? I am using the same OTG port to supply power to board but status is same. please help!