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

[Kumar Gala]

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.

>> 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.

- k