On Fri, Feb 10, 2012 at 03:13:00PM +0100, Igor Trevisan wrote: > Sorry, > > I replied to Sasha privately and not to the list! > > > On Fri, Feb 10, 2012 at 2:05 PM, Igor Trevisan <igt1972@xxxxxxxxx> wrote: > >> > >> You could try imx_iim0.explicit_sense_enable=0, maybe this helps. > >> > > > > Again... This helps! > > Sorry, I misunderstood the logic of the sense flag! > > (I think I owe you at least a beer...;) > > > > By the way, now I can read the first two banks: > > > > barebox:/ md -b -s /dev/imx_iim_bank1 > > 00000000: 41 ce 3c ad 4d 89 93 00 00 00 00 00 00 00 00 00 A.<.M........... > > 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > > barebox:/ > > barebox:/ > > barebox:/ md -b -s /dev/imx_iim_bank0 > > 00000000: 59 20 81 40 20 00 00 00 00 00 00 00 00 00 00 00 Y .@ ........... > > 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > > > > Now I would like to go further and try to program some fuse bits > > (I need to store some codes...). > > I think I need first of all to set: > > imx_iim0.permanent_write_enable=1 > > > > I did this, then I tried to write with > > > > mw -b 0x10028814 0xbb > > > > but reading back I still find: > > barebox:/ md -b -s /dev/imx_iim_bank0 > > 00000000: 59 20 81 40 20 00 00 00 00 00 00 00 00 00 00 00 Y .@ ........... > > 00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > > > > Which is the right way to write the fuse bits? Try mw -d /dev/imx_iim_bank0 -b 0x2 0x80 to change the the '0x80' at offset 2 to 0x80. I suggest that you explore the usage of 'mw' with something less sensitive than the fuses, they have the potential to brick your board... 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
