[U-Boot-Users] CFI flash polling for AMD/SPANSION?
Haavard Skinnemoen
hskinnemoen at atmel.com
Wed Nov 28 16:24:04 CET 2007
On Wed, 28 Nov 2007 00:03:48 +0100
Wolfgang Denk <wd at denx.de> wrote:
> I think the CFI driver needs some basic rework to get ridof such
> pointer accesses and use proper accessor functions/macros instead to
> make sure we have all the memory barriers etc. we may need.
I happen to have a patch lying around which does exactly that, in
addition to a few other cleanups.
Stefan, if you could push out all the stuff you have pending to the CFI
custodian tree, I can rebase my stuff on top of that and submit for
review.
> > It looks like it just uses DQ6/toggle if I'm reading the code correctly.
>
> Note that Linux calls a (map)->write() function to access the flash.
Only if CONFIG_MTD_COMPLEX_MAPPINGS=y. Otherwise, it uses
__raw_write[bwl].
Haavard
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