Request review of device tree documentation

Grant Likely grant.likely at secretlab.ca
Sun Jun 13 09:09:36 EST 2010


On Sat, Jun 12, 2010 at 4:15 PM, Olof Johansson <olof at lixom.net> wrote:
> 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.

I had been told that they runtime registers weren't reliable.  If I'm
misinformed, then yes the compatible value can be dropped from the cpu
nodes.

g.


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