Hans de Goede is Fedora Linux maintainer and one of the very active members of Linux-Sunxi community which does the community Linux support for Allwinner SoCs.
He recently announced Fedora 19 is available for Allwinner A10, A10s, A13, A20 https://groups.google.com/forum/#!topic/linux-sunxi/PLgUj-KefKQ
If you want to try it you can download the image from:
then write it to SD card 8GB or bigger, 38 boards are supported including all OLinuXinos
If you want to build Fedora from sources yourself you can use this script Fedora image yourself by using the scripts available at