[PATCH v2 19/28] ARM: Add fixed PCI i/o mapping
nicolas.pitre at linaro.org
Mon Mar 5 15:24:07 EST 2012
On Thu, 1 Mar 2012, Arnd Bergmann wrote:
> For Kirkwood and Dove, an easy way out would be to extend the I/O
> space window to 2MB right away and just map both as before, but we
> can also try just using the two lower 64k windows in each and see what
> breaks, as those seem to be widely available for testing still.
The Kirkwood/Dove hardware I have may accommodate 3V PCI cards only, and
none of the the 3V PCI cards I have make use of the I/O space. this is
therefore a pretty much underused feature anyway. So I think we should
just go ahead with the cleanup in this case.
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