Re: [microblaze-uclinux] JFFS2 NAND Flash support in uClinux 2.4.x??

[Claudio Lanconelli <lanconelli.claudio@xxxxxxxxx>]

David Summers wrote:

> Thanks Claudio, I will take a look at YAFFS.
>
>
> I have am currently designing a system where I need to log up to 1GB of data
> to non volatile storage, and then be able to retrieve it later via FTP.
>
>
> YAFFS only supports NAND devices with 512byte pages, which limits my device
> selection to parts under 2Gb each.  Therefore I will need 4 parts to achieve
> my 1GB capacity.  This shoudn't be a problem since I have plenty of PCB real
> estate on the board that I am building.
>  
You can try YAFFS2, it supports large page NAND, and should also
supports 16bit bus devices.
However I don't have direct experience on it.

> Would I be better off just using a compact flash card?  My current
> development board does not have a SystemACE controller on it.  Are compact
> flash cards (other than SystemACE) well supported under uCLinux?
>
>
> The only catch is that my application does not allow me to shut down the
> system gracefully.  Power could be pulled at any time and I worry about
> corrupting the file system on a FAT32 formatted CF card.  Are there any
> Linux filesystems that I could use with a compact flash (or SD/MMC) card
> that would prevent filesystem corruption in the event of an abrupt power
> down?
>  
I started using Compact flash with SystemACE, but I then switched to
NAND flash primarily for the power off problem.

Cheers,
Claudio Lanconelli
___________________________
microblaze-uclinux mailing list
microblaze-uclinux@xxxxxxxxxxxxxx
Project Home Page : http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux
Mailing List Archive : http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/