[PATCH] ppc: Add support for AMCC Taishan 440GX eval board

[David Gibson]

On Mon, Feb 12, 2007 at 02:41:36PM -0600, Kumar Gala wrote:
> 
> On Feb 12, 2007, at 2:23 PM, Benjamin Herrenschmidt wrote:
> 
> > On Mon, 2007-02-12 at 14:16 -0600, Jon Loeliger wrote:
> >> So, like, the other day Benjamin Herrenschmidt mumbled:
> >>>
> >>> Note that there are still things that we might want to change. For
> >>> example, I think we really should look into adding a macro mecanism
> >>> and/or an include mecanism to dtc so that we can do things like  
> >>> #include
> >>> <ibm440gp.dtc> to get the base processor/SoC definition and then
> >>> "overlay" some properties on top of it (like emac phy mode etc...)
> >>
> >> What do people prefer here?  Straight CPP pre-run?
> >
> > CPP pre-run has issue, notably due to the usage of "#" in property
> > names.
> 
> You can get around that by invoking cpp with the right flags,  I  
> looked at doing this a while back and had it working.

Umm.. which flags?

> >> Direct support built into dtc to do file-inclusion, macros?
> >
> > We aren't sure yet, though David might have ideas.
> 
> Would be nice for simple math as well (addition, subtraction, bitwise  
> ops, and shifts).  For example was thinking that having some macro's  
> around the PCI dev node's would make it a bit more readable to mere  
> mortals.

Yes.  Adding an expression model would be more complex though.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
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