OpenWrt on BPI M3?

Banana Pi SBCs design BPI-M3(A83T/R18)
1

Has anyone succesfully installed OpenWrt on M3 (or R2)? If yes, which image to choose?

2

BPI-R2 have support OpenWRT, you can see for support .

http://wiki.banana-pi.org/Banana_Pi_BPI-R2