Linuxppc and MPC8255 routing performance

Jerry Van Baren vanbaren_gerald at
Sat Nov 10 05:08:14 EST 2001

At 11:34 AM 11/9/01 -0500, Dan Malek wrote:

>Ricardo Scop wrote:
>>By "backside" memory you mean ... the internal data cache, perhaps?
>No, bad use of words on my part.  The 8260 has a local bus that can only
>be accessed from the CPU core and CPM (it's not on the 60x bus).  Maybe
>the 8255 doesn't have this feature, I don't remember.
>         -- Dan

The 8255 uses the 8260 "local bus" connections for the PCI bus.


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