[U-Boot-Users] Atmel DataFlash hooks.

Wolfgang Denk wd at denx.de
Mon Jan 29 13:52:27 CET 2007

In message <45BD4EA8.90206 at schweigstill.de> you wrote:
> Oh, since lots of people here are using U-Boot on AT91RM9200 I thought
> that such behaviour was a feature. The really big problems occur when

None of the AT91 systems I had under my fingers used dataflash.

> using imxtract command because the multi-file image will be corrupted.
> Also verifying the Dataflash contents becomes quite difficult when the
> source has been overwritten.

Indeed. It's simply a bug.

> So I suggest that the AT91F_SpiWrite() function has to be modified,
> e.g. with a new parameter which determines if the source has to be
> overwritten. How many applications have been written which depend on
> the strange cp.b behaviour? Should there be an environment variable?
> Hmmm.... bad idea.

No, this bug should be fixed, and no effort needs  to  be  wasted  on

Best regards,

Wolfgang Denk

Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
He who hesitates is not only lost, but miles from the next exit.

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