Hello, On 6/29/20 12:53 PM, Giorgio Dal Molin wrote: > Hi, > >> On June 29, 2020 at 10:44 AM Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote: >> >> >> Hello Giorgio, >> >> On 6/23/20 5:11 PM, Giorgio Dal Molin wrote: >>> Hi Fabio, >>> >>> thank you for your quick reply. >>> >>> I've already found the errata you linked in your mail but I had no success >>> applying the suggestion there; maybe I'm doing it wrong. >>> Let's take the Option 3 there: >> >> Does reset within Linux (with say the imx_v6_v7_defconfg) work? > > No. I see the same behavior also with the kernel: after a 'shutdown -r' > the system 'goes down' but doesn't reboot, it just hang: > > ~ # shutdown -r > system is going down for reboot NOW > ... > [ 46.248222] 000: ci_hdrc ci_hdrc.0: remove, state 1 > [ 46.248253] 000: usb usb1: USB disconnect, device number 1 > [ 46.248263] 000: usb 1-1: USB disconnect, device number 2 > > > The same happens if I kill the 'watchdog' process: after ~2 seconds > the system just hangs. > > I'm sure there must be a solution because the original u-boot bootloader > for the cpu module I'm using reboots the system as expected, through the wdog1; > unfortunately it's not so trivial to find what makes the difference. Linux probably attempts reset via PSCI. Check for psci_system_reset in your vendor's U-Boot and transplant it into barebox. > > giorgio > > >> >> -- >> Pengutronix e.K. | | >> Steuerwalder Str. 21 | http://www.pengutronix.de/ | >> 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 > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 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
