[U-Boot] [PATCH 06/14] dfu: add backend for MTD device
Patrick DELAUNAY
patrick.delaunay at st.com
Tue Sep 17 11:40:01 UTC 2019
Hi,
> From: Lukasz Majewski <lukma at denx.de>
> Sent: mardi 17 septembre 2019 12:36
>
> Hi Patrick,
>
> > Add DFU backend for MTD device: allow to read and write on any MTD
> > device (RAW or SPI)
> >
> > For example :
> > > set dfu_alt_info "nand_raw raw 0x0 0x100000"
> > > dfu 0 mtd nand0
> >
> > This MTD backend provides the same level than dfu nand
> ^^^^^ - shouldn't there be
> "functionality" or such?
>
> > backend for NAND in RAW mode and sf backend for NOR; So it can replace
> > booth of them but it can also add support of spi-nand.
>
> If I understood correctly - it allows reading "raw" data from MTD device - NAND,
> SPI-NOR and SPI-NAND?
Yes, "all MTD devices" : NAND, SPI-NOR, SPI-NAND
My message wasn't clear except if you know the driver organization, I update it in V2
drivers/mtd/raw
drivers/mtd/nand
drivers/mtd/spi
and potentially also ONENAND als o (not tested) with drivers/mtd/onenand
> >
> > > set dfu_alt_info "nand_raw raw 0x0 0x100000"
> > > dfu 0 mtd spi-nand0
> >
> > The backend code is based on the MTD command introduced by commit
> > 5db66b3aee6f ("cmd: mtd:
> > add 'mtd' command")
> >
> > Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
> > ---
>
>
>
> Best regards,
>
> Lukasz Majewski
>
> --
>
Beast regards
Patrick
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