On Sat, Jun 12, 2010 at 12:53:59AM -0600, Grant Likely wrote:

I also changed the property in the cpu nodes from model to compatible
so that the exact CPU version can be specified.  This isn't actually
in any spec anywhere, but I need something to properly identify the
different ARM cores.

I don't see why this has to be in the device tree. It's not there on PPC.
The exact CPU version is found through the PVR register on PPC, ARM also
has cpu version and feature registers for runtime probing.


-Olof