RFC: ARM Boot standard for passing device tree blob

[Jeremy Kerr]

> > > ===Required System State===
> > > *Quiesce all DMA
> > > *CPU register contents
> > > **r0 = 0
> > > **r1 = Linux machine number (as defined in the ARM Linux machine
> > > database) or 0
> >
> > 0 is a valid machine number.  What is your purpose of passing 0?
> 
> Presumably a machine number will need to be allocated to mean "use the
> device tree instead of fixed machine number info".

I've been using 0xffffffff to indicate that this is a 'device-tree' platform. 
The value isn't really important, just that we agree on something.

Cheers,


Jeremy