Bas Wijnen wrote: > Hi, Hi! > I'm mostly using the Ben NanoNote nowadays (which has a Jz4740), which > has a USB device port that can be used to unbrick it. I saw someone > talk about unbricking the mipsbook as well, thinking of JTAG. > > I don't want to discourage you, but I would advise to see if the Jz4730 > of the mipsbook can be unbricked in the same way. According to > Ingenic's Linux source, there is a usb device controller on-board, and > there is something called BOOT_SEL (which with the 4740 is used to > switch between nand boot and usb boot). > > I opened my mipsbook, and found a header which seems to be for a > mini-USB-B connector (so to make the mipsbook use the device port). If > my mipsbook would be bricked, I'd solder a connector to that and see if > it can be made to work. Perhaps it's better to first do that with a > working machine, though, so you can test if the port can indeed be used. > > Just a suggestion. :-)
Been there, tried that ;) The specs are pretty clear about that - the JZ4730 does *not* support USB booting, the 4740 does. Only chance is JTAG - download UBoot into RAM and restart from there. > Perhaps some people may want to use the port for "normal" things as > well, which should of course also be possible. You probably need some > (smd) components with it; I'm just guessing that it will work "good > enough for unbricking" without them (they're probably for improving the > link quality). I may well be wrong about that, of course. > > Thanks, > Bas Cheers nils -- kernel concepts GbR Tel: +49-271-771091-12 Sieghuetter Hauptweg 48 D-57072 Siegen Mob: +49-176-21024535 http://www.kernelconcepts.de _______________________________________________ Mipsbook-devel mailing list Mipsbook-devel@linuxtogo.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/mipsbook-devel
