I haven't found much myself. I think the only decent info on the hardware can be found in the u-boot source code.
Even then, nothing on the Flash controller or GPU. -- Edwin (on the move) > On Feb 12, 2015, at 5:09 PM, valeri kotynsky <jogicvtum...@gmail.com> wrote: > > Hi. You guys are working on armv7 port of your OS. cubieboards are as i > have understood in the list of target platforms. say me please, do, at all, > have these boards the real documentation on them? like that that has beagle > bone black for example. i mean the multithousand pages book on TI's am335x > chip, and system reference manual from circuitco on the bbb. because all my > probes to find something about both cb a20, and allwinner's a20 constantly > failed. except from some schematic i have nothing found on their site.