Chris Zankel 00c81d23d3 xtensa: Fix io regions
The uncached area starts at e000.0000 and spans 1GB. Also add an IOADDR
macro to determine the bypass region to access the IO space.

Signed-off-by: Chris Zankel <chris@zankel.net>
2008-10-21 09:08:31 -07:00
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