[PATCH 1/2] powerpc: add 16K/64K pages support for the 44x PPC32 architectures.

[Josh Boyer]

On Sun, Nov 02, 2008 at 08:55:02AM +1100, Benjamin Herrenschmidt wrote:
>On Sat, 2008-11-01 at 07:30 -0400, Josh Boyer wrote:
>> 
>> That is on purpose.  The chip has an errata that causes badness if
>> you use the last XX bytes of DRAM.  I forget exactly what XX is, but
>> we just remove the last page.
>
>Doing that from the device-tree is very hairy tho... you end up with
>informations in there that aren't aligned etc... oh well.

What?  -ENOTVERBOSEENOUGH.

I don't see how this is really different from U-Boot just passing in
a smaller memory size in the old arch/ppc world.  (And I think U-Boot
will actually fixup the device tree in a similar manner itself these
days.)  So if there are problems with this, please do tell.

josh