Hi Stefano, On Fri, Sep 16, 2011 at 4:46 AM, Stefano Babic <sba...@denx.de> wrote: > On 09/16/2011 01:18 AM, Fabio Estevam wrote: > > Hi Fabio, > >> When booting a mainline kernel on a mx31pdk the system gets getting resets >> from the watchdog. >> >> As the kernel has watchdog support, disable it from U-boot. > > But if the kernel has support for watchdog, why does the system reset ? > I checked this board and the watchdog in u-boot is set to 64 seconds, > that is the maximum value. It is surely enough for kernel to boot and to > start triggering the watchdog. If the system still reboots, it seems to > me that this is an issue to be fixed in kernel, not in u-boot. I am sure > I have tested in the past (not recently) the QONG board with enabled > watchdog, using also the imx2_wdt driver in kernel.
I have sent a patch to the ARM kernel list to add watchdog support for qong board: http://lists.infradead.org/pipermail/linux-arm-kernel/2011-September/065698.html Can you please try it and let me know if you get resets when watchdog is enabled in U-boot and kernel? Thanks, Fabio Estevam _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
