MPC8260 cache patch

[Gary Thomas]

On Fri, 2003-03-28 at 07:43, Robin Farine wrote:
> On Fri, 2003-03-28 at 15:18, Patrick Doyle wrote:
> 
> > On the 8260 port to our specific board, I believe that all of the BAT
> > registers are in use, so creating an alias to existing memory might not be
> > possible, but that could be another solution for other boards.
> 
> Ah, now I understand, this CPU doesn't have a paged MMU but a few
> registers to map big segments. One candidate to remove from the list for
> future designs, thanks for the info :)

Don't be so hasty!  The PowerPC *does* have a full MMU, but it also
has much simpler mapping mechanisms which we use for eCos that are
lighter and easier to use.

-- 
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Gary Thomas                 |
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