I prepared small linux distro for Banana PI M2 ULTRA. If someone is interested in - can download the image of SD card from: https://goo.gl/og156B. It is .7z archive of 4GB SD card image. It configures eth0 for 192.168.1.65, no root password. Console is redirected to /dev/ttyS0.
Newer small linux distro for Banana PI M2 ULTRA has been created by me. The differences are:
Link to download: https://goo.gl/qKzdxZ
How about video over hdmi? It’s working?
Sorry, but I didn’t check if HDMI is working. I don’t use my board with HDMI.