Re: Interest in DOC and YAFFS? --> YAFFS bootloading

Marc Singer
2002-09-24T16:55:23Z

On Tue, Sep 24, 2002 at 08:23:06AM +0100, Nick Bane wrote:
> The modifications I made to bootldr (CRL bootloader as used in iPaq
> handhelds) were trivial after mkysffsimage was fixed (ask for a copy as the
> CVS one is still badly broken).
>
> Bootldr copies the data 512+16 bytes at a time into non-broken NAND. The
> kernel is then booted with prior knowledge as to where to find the YAFFS
> data and all is ok.

What is non-broken NAND?

> How this works with DOC I am unclear as I had noticed a while back that
> there was hardware assisted ECC. This might get in the way of YAFFS ECC but
> maybe this can be circumvented.

As far as I can tell, the hardware ECC just makes the DOC faster.
Also, I think that Microsys has released information about how to use
the hardware ECC.