external flash partitions

[Catalin Demergian]

ok. for me it's done, I can use JFFS2 on my flash already, but is just one
2MB partition.
the question is can I make partitions on my flash ? with a utility or
writing my own code ?

thank you,
Catalin


On Tue, Oct 15, 2019 at 8:56 AM Sebastian Huber <
sebastian.huber at embedded-brains.de> wrote:

> 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:
>
>
> https://git.rtems.org/rtems/tree/testsuites/fstests/jffs2_support/fs_support.c
>
> https://docs.rtems.org/doxygen/branches/master/group__JFFS2.html
>
> --
> Sebastian Huber, embedded brains GmbH
>
> Address : Dornierstr. 4, D-82178 Puchheim, Germany
> Phone   : +49 89 189 47 41-16
> Fax     : +49 89 189 47 41-09
> E-Mail  : sebastian.huber at embedded-brains.de
> PGP     : Public key available on request.
>
> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
>
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