Re: Fat32 support

[Jose Luis Zabalza <jlz.3008@gmail.com>]

2010/6/21 Sascha Hauer <s.hauer@pengutronix.de>
>
> Hello José,
>
> On Mon, Jun 21, 2010 at 06:34:31AM +0200, Jose Luis Zabalza wrote:
> > Hello All.
> >
> > A simple question. Is it posible read a file on fat32 USB memory
> > device from barebox?
>
> No, currently not.
>
> >
> > If not, is it posible write some code to do this? What steps will be necessary?
> > - port from linux kernel usb-storage support.?
> > - port form linux kernel fat 32 support?
>
> This is surely possible, though you might be better off with the U-Boot
> code as a template for porting. You'll probably also need dos
> partitioning support.
>
> >
> > My final objetive is firmwarize the board from a USB fat32 USB memory
> > device with a new barebox "firmwarize" command because I am surprised
> > that there is not on barebox?
>
> I think you don't need an extra command to do this once all necessary
> code is in place. It's more a matter of a script like 'usb; mount -tfat
> /dev/xxx /mnt; cp /mnt/xy /dev/nor0.kernel;'
> We don't have this at the moment because nobody needed it yet. We mostly
> use networking or dfu (device firmware update) for updating purposes.
> That said patches are very welcome ;)
>
> Sascha
>

Thanks Sascha. But cp command didn't run on NOR flash . unprotect and
erase run ok so I thought cp command is not a good command to write on
NOR flash. I must revise NOR device code when I have time.


Thanks again.




--
José Luis Zabalza
jlz.3008  a t  gmail.com
Linux Counter 172551

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