On Mon, Nov 19, 2012 at 04:36:22PM +0800, zzs wrote: > I use cp command, the result is same > > cp ./zbarebox.bin /dev/nor0.root > > md -s /dev/nor0.root > 00000000: ffffffff ffffffff ffffffff ffffffff ................ > 00000010: ffffffff ffffffff ffffffff ffffffff ................ > 00000020: ffffffff ffffffff ffffffff ffffffff ................ Have you tried the unprotect command like Eric suggested? Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox