Thanks ! I have an ARM from Freescale, i.MX35. Regards, Gabriel On Thu, Apr 5, 2012 at 8:33 AM, Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote: > Hi Gabriel, > > On Thu, Apr 05, 2012 at 08:11:47AM +0200, Gabriel Tisan wrote: >> Hi ! >> >> What should I do to be able to see any debug messages ? On the serial console I >> could see the Barebox version but after that nothing. I suppose that >> is something >> regarding nand. > > This means that your console is already running, a first step can then > be to put a '#define DEBUG' above the includes in common/startup.c. This > will cause the initcalls to be printed which will give you a first clue > where execution stops. > > Also you should have the following options enabled: > > CONFIG_MMU > ARM_EXCEPTIONS > CONFIG_ARM_UNWIND > CONFIG_KALLSYMS > > This gives you a stack dump when something bad happens. > >> >> If I have no JTAG debugger what should I do to be able to debug ? For >> other board I >> could not see any messages on console. > > That's more difficult. If you have for example a U-Boot as first stage > loader then you can add some register writes to the UART send register > in the early startup code. Otherwise you are stuck with LED debugging > (Just configure a gpio connected to a LED and see where you can still > turn it on) > > What machine are you working on? > > 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