[PATCH] [MTD] NAND: add ts7xxx driver

Alexander Clouter alex at digriz.org.uk
Mon Feb 9 14:56:20 EST 2009


Hi,

* hartleys <hartleys at visionengravers.com> [2009-02-09 14:00:48-0500]:
> 
> Sunday, February 08, 2009 1:59 AM, Alexander Clouter wrote:
>
> > This patch adds support for the NAND found in Technologic
> > Systems ARM boards[1].  The platform specific parts (IO 
> > address and parititoning schemes) have been moved into
> > platform specific files whilst the driver it's self can 
> > be used as a complete replacement for the ts7250 NAND
> > driver.
>
> I think the TS-7800 series is Marvell 88F5182 based but the TS-7200
> series is Cirrus ep93xx based.
>
> There is are already a nand driver for each of these, orion_nand.c and
> ts7250.c.  Both appear to be just variations of the plat_nand.c driver.
> 
You would have hoped TS would use the NAND silicon already on the 
Marvell chip, but no they decided to use up FPGA LUT's to re-invent the 
wheel; although I do think their just pulled over the FPGA bitstream 
they were using in the TS-7200 series.

Cheers

-- 
Alexander Clouter
.sigmonster says: Lonely is a man without love.
                  		-- Englebert Humperdinck



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