i.MX53 QSB

Michael Olbrich m.olbrich at pengutronix.de
Thu Jan 26 06:02:09 EST 2012


On Thu, Jan 26, 2012 at 11:32:32AM +1100, Marc Reilly wrote:
> Hi,
> 
> > > If I am booting from the SD card how do I get it onto the card
> > > 
> > > dd if=barebox.bin of=/dev/sdc bs=512 seek=2 ??
> > 
> > cat barebox.bin > /dev/sdc
> > 
> > Of course this means that you will overwrite the partition table of the
> > SD card. I'm still loooking for a good way to make this behaviour more
> > convenient.
> 
> (For iMX35 at least): The barebox image doesn't contain anything in the first 
> 1K apart from an unconditional branch to the reset vector (at 2K offset). This 
> branch is not necessary for internal booting, because the app entry point is 
> specified in the flash header information.
> 
> sudo dd if=barebox.bin of=/dev/sde bs=512 seek=2 skip=2

If you need the first bytes, this should work:
dd if=barebox.bin of=/dev/sde bs=446 count=1
dd if=barebox.bin of=/dev/sde bs=512 seek=1 skip=1

Michael

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