Status of MTD for CFI

Jason Gunthorpe jgg at
Mon Jul 3 19:12:18 EDT 2000

On Thu, 29 Jun 2000, David Woodhouse wrote:

> Jgg is apparently looking at support for JEDEC flash chips which aren't
> CFI-compliant.

I popped my current codes up at

I've never actually tried it in the kernel yet, but the logic all appears
correct and it is in the right sort of format, have been using it to flash
kernels into the SIMM for booting this board. It needs testing and fixing
to support 8bit interfaces, I have to steal an octagon board so I can test

If someone desperately needs this then they are certainly welcome to
fiddle with it.

It supports most of the old style AMD uniform sector size chips, maybe
others. Works on my 16 chip banked flash SIMM, which is the most
complicated situation possible!

Anyhow, I am going on a trip soon to Florida and then up to OLS.. after
that I need to do a bunch of VHDL, but I should have time to finish it
off and write a JFFS bootloader.


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