On Fri, 2011-03-25 at 12:47 -0600, Grant Likely wrote: 
> On Fri, Mar 25, 2011 at 12:22 PM, Tixy <t...@yxit.co.uk> wrote:
[...] 
> >
> > "Allow the device tree binary to be appended to zImage"
> > http://www.spinics.net/lists/arm-kernel/msg119379.html
> 
> You don't need this patch for what needs to be changed to the hwpack.
> I may add this one for the 11.05 release, but it is not required when
> u-boot passes the .dtb image.

That was one of the clues I was missing :-) Are there any instructions
anywhere for getting U-Boot to pass a device tree?

>From looking at the uboot source I see the flattened device tree file is
the 3rd argument to bootm, and I've found mkimage has a flat_dt type
option. But I think I'm still missing something. I can carry on
analysing U-Boot code but would be grateful for any tips on now to get
my dtb file seen by a running kernel. 

Thanks

-- 
Tixy



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