On 29 November 2010 15:45, Prasad Joshi <prasadjoshi...@gmail.com> wrote: > I tried to emulate few other boards as well. IMHO, versatilepb > supports more than 256M RAM, I guess it supports upto 512MB. But it > too fails
No, 'versatilepb' also supports only 256MB of RAM, for the same reason (system registers starting at 0x10000000). You might try one of the realview models, which have a special case for putting more RAM at a high memory address. -- PMM