Thread (5 messages) 5 messages, 4 authors, 2010-06-13

Re: [microblaze-uclinux] Re: Request review of device tree documentation

From: Edgar E. Iglesias <hidden>
Date: 2010-06-13 06:47:52
Also in: linux-devicetree

On Sat, Jun 12, 2010 at 05:09:36PM -0600, Grant Likely wrote:
On Sat, Jun 12, 2010 at 4:15 PM, Olof Johansson [off-list ref] wrote:
quoted
On Sat, Jun 12, 2010 at 12:53:59AM -0600, Grant Likely wrote:
quoted
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.
Hi all,

If it's not too painful to keep, I think it will be valuable if one
want's to instantiate HW based/from this same device tree. For example
for emulators.

Cheers
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