[ECOS] Re: NAND support

[John Dallaway]

Hi Simon

Simon Kallweit wrote:

>> I assume that your port would sit under the standard eCos Flash I/O
>> layer (CYGPKG_IO_FLASH). As with all imported packages, it would also be
>> important to:
> 
> UFFS is not yet great for NOR flash, as every file/directory uses at
> least a complete block. That's why I was asking for the NAND package.
> The port could support both NOR and NAND flash, but until UFFS is
> upgraded to handle NOR better, it's quite useless in production.

Yes, I see now. UFFS would be implemented as an eCos file system exposed
via CYGPKG_IO_FILEIO, talking to a separate NAND flash layer via
CYGPKG_IO_FLASH.

John Dallaway

-- 
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss