external flash partitions

Sebastian Huber sebastian.huber at embedded-brains.de
Tue Oct 15 05:56:50 UTC 2019

On 14/10/2019 19:07, Kent Dorfman wrote:
> this is of concern for me as well.  there is conflicting information on 
> the web as to whether qspi flash can support filesystem layout or if it 
> must be handled as discrete pages of mapped memory.  i would like jffs2 
> on the zynq qspi flash in my board but not seeing any good info about 
> making it work.

You can use JFFS2 on anything which supports programming (writing) at 
byte granularity and page erases. The pages must have a uniform size. 
You have to provide three handlers to access your flash during the JFFS2 
mount. For an example see:



Sebastian Huber, embedded brains GmbH

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