Thanks to more detective work by Adam Baxter, I have found a work-in-progress patch for the compile failure on 3.13-rc..
So.. I now have Kernel 3.13-rc3 running on the DreamPlug:
Fedora release 18 (Spherical Cow) Kernel 3.13.0-rc3 on an armv5tel (ttyS0) ....................... # uname -a Linux rgdreamplug 3.13.0-rc3 #2 PREEMPT Sat Dec 7 15:02:56 GMT 2013 armv5tel armv5tel armv5tel GNU/Linux
I am getting some ”mvsdio f1090000.mvsdio: unhandled interrupt status……” warning messages repeated during boot (and with 3.12), but they do not reappear when the system is up.
Please note that the patch is not thoroughly tested, and may change from the one shown!
Robert Gadsdon. December 7, 2013.