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authorHaavard Skinnemoen <hskinnemoen@atmel.com>2007-02-12 16:28:56 +0100
committerHaavard Skinnemoen <hskinnemoen@atmel.com>2007-04-27 13:44:14 +0200
commite3e7d8d4ea37b8372ee417452d03171c5dc55125 (patch)
tree247a899f472e5cf1a3f7467dda88a017bee134a6 /arch/avr32/boards/atstk1000
parent92b728c147adb8c690b520304f4c9ee3eee43c21 (diff)
downloadlinux-2.6.34-ux500-e3e7d8d4ea37b8372ee417452d03171c5dc55125.tar.gz
[AVR32] Make I/O access macros work with external devices
Fix the I/O access macros so that they work with externally connected devices accessed in little-endian mode over any bus width: * Use a set of macros to define I/O port- and memory operations borrowed from MIPS. * Allow subarchitecture to specify address- and data-mangling * Implement at32ap-specific port mangling (with build-time configurable bus width. Only one bus width at a time supported for now.) * Rewrite iowriteN and friends to use write[bwl] and friends (not the __raw counterparts.) This has been tested using pata_pcmcia to access a CompactFlash card connected to the EBI (16-bit bus width.) Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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