[ECOS] NAND flash and JFFS2

[Rutger Hofman]

Good evening Jurgen,

do you think there is a chance that we can have your YAFFS-on-eCos code? 
If not, please let me know; then I think a good option for our project 
is that I will try to also make it (and make the interface available to 
eCos).

Thanks,

Rutger Hofman
VU Amsterdam

Rutger Hofman wrote:
> Jürgen Lambrecht wrote:
>> Jonathan Larmour wrote:
>>> Rutger Hofman wrote:
>>>  
>>>>  = Or should we switch to YAFFS? It seems to have been ported to eCos,
>>>> and it claims it is really, really easy to port anyway.
>>>>     
>>> That is also fully GPL'd. I'm also not entirely sure the eCos port is
>>> anything other than vapourware either, unfortunately.
>>>   
>> We use PEEDI debuggers from Ronetix, and on their web site they say 
>> "Support for additional drivers for MMC/SD, NAND Flash, YAFFS2, USB 
>> slave available from Ronetix upon request".
>> I requested them, and got them. It is done with a separate repository.
>> We merged the code in our CVS, some fixes in the generic driver 
>> (/defs/flash/..) (we followed the Open NAND Flash Interface 2.0 spec), 
>> some fixes in the lowlevel driver (devs/arm/..), and now it works. The 
>> YAFFS sources were OK, but maybe not the latest versions.
>> We have an ARM9 board with Micron nand flash.
>>
>> You only have to pay for YAFFS if you use it in a commercial product. 
>> The code is freely accessible via CVS to play with.
>>
>> I guess I can give you our code if you need it.
>> Let me know - the coming 3 weeks I'm on holidays, and will only read 
>> sporadically my mail.
> 
> Well, yes, I would really like to see it. Maybe to use it, maybe as 
> inspiration for the eCos NAND stuff. If you don't want to post it on the 
> list, maybe you can send it to me privately?
> 
> Thanks in advance,
> 
> Rutger Hofman
> VU Amsterdam


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