RE: PowerPC Linux and PCI

From: Ed Vance (EdV@macrolink.com)
Date: Tue Apr 23 2002 - 12:16:16 EST


James L Peterson wrote:
>
> "David S. Miller" wrote:
> >
> > An important point to mention is that big endian systems need to do
> > byte twisting in the PCI controller for all the byte-lane issues to
> > work out properly.
>
> What does this mean? This suggests that PCI controller for
> big-endian systems are not interchangeable with PCI controllers
> for little-endian systems, because the controller itself does
> byte swapping (is that what you mean by "byte twisting"?)

I think David's reference is to the system's PCI subsystem/interface rather
than to the PCI cards plugged into it.

Ed Vance

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Ed Vance edv@macrolink.com
Macrolink, Inc. 1500 N. Kellogg Dr Anaheim, CA 92807
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