[ARM] orion5x: accelerate NAND on the TS-78xx
authorAlexander Clouter <alex@digriz.org.uk>
Sat, 8 Jan 2011 11:55:25 +0000 (11:55 +0000)
committerNicolas Pitre <nico@fluxnic.net>
Thu, 3 Mar 2011 20:53:34 +0000 (15:53 -0500)
commite25bac968d41d994e5295f89547bdff6cb40588a
treed81d317bd66d64bb4ec304a4453ba0e9552548f9
parentf5412be599602124d2bdd49947b231dd77c0bf99
[ARM] orion5x: accelerate NAND on the TS-78xx

The NAND supports 32bit reads and writes so lets stop shunting 8bit
chunks across the bus.

Doing a dumb 'dd' benchmark, this increases performance roughly like so:
 * read: 1.3MB/s to 3.4MB/s
 * write: 614kB/s to 882kB/s

Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
arch/arm/mach-orion5x/ts78xx-setup.c