u-boot

pi@rpi2 ~/imx6/uboot-imx6dongle $ git remote -v
origin  https://github.com/imx6-dongle/uboot-imx6dongle (fetch)
origin  https://github.com/imx6-dongle/uboot-imx6dongle (push)

older stuff

Hi-802 is clone of this one

http://www.geekbuying.com/item/Unii-GK802-Fresscale-i-MX6-Quad-Dure-Cortex-A9-DDR3-1GB-RAM-8GB-ROM-TV-Box-Dongle----Black-312807.html
http://forum.xda-developers.com/showthread.php?t=2044045
FULL micro-sd images http://www.armtvtech.com/armtvtechforum/viewtopic.php?f=51&t=1113
root http://www.armtvtech.com/armtvtechforum/viewtopic.php?f=50&t=226&start=80#p4516
production, motherboard pictures http://www.hiapad.com/?p=1994

Serial

http://www.armtvtech.com/armtvtechforum/viewtopic.php?f=50&t=226&start=210#p6651

XBMC

external player http://www.xbmcandroid.com/2012/12/10/how-to-install-xbmc-nightly-with-external-player-on-the-mk802-stick-or-other-android-tv-devices/

Linux

http://www.junklet.net/test/gk802_boot.txt
https://wiki.linaro.org/Boards/MX6QSabreLite
http://boundarydevices.com/linaro-12-09-for-i-mx6/