[U-Boot-Users] [RFC] NAND Flash

Pantelis Antoniou panto at intracom.gr
Tue Apr 27 09:45:18 CEST 2004

Peter Billek (VI/SEA) wrote:

>We are in the progress of starting to implement u-boot and will need NAND support as well.
>As it looks at the moment we will access the NAND flash not in page boundaries, but rather with arbitrary offsets. 
>At the moment we are using something similar to the boot command with is still a adaptation from former armboot.
>We don't use ECC and also no FS, rather fixed addresses. However this has to change in the future, but for the moment we are just prototyping.
I hope you don't solder your chips on the board, cause bad blocks can be 
present in pristine chips fresh from the factory.
This will NOT work, since a bad block anywhere in the range that you use 
means that you must replace the chip.

>AS or the bad block cheeking, I would rather go for the relocation implementation rather than the erasing the complete chip.
Me too, but it's kinda tricky...

>I am looking forward to see how your work progresses and might commit to it in the future as well if I can.
Looking forward to it too.

>Peter Billek
>Board Level Design, Realtime SW
>Local Design Center VIE
>Ericsson Enterprise GmbH
>mailto:peter.billek at ericsson.com


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