On Mon, Jul 17, 2017 at 12:18 PM, Hồng Quân Nguyễn <[email protected]> wrote: > I installed Ubuntu 16.04 to my BeagleBone Black and tried to enable UART1, > but it seems to not works. > > Content of /etc/default/capemgr: > > # Default settings for capemgr. This file is sourced by /bin/sh from > # /etc/init.d/capemgr.sh > > # Options to pass to capemgr > CAPE=BB-UART1,BB-PWM1 > > > > Content of /sys/devices/platform/bone_capemgr/slots: > > 0: ---l-- -1 > 1: ------ -1 > 2: ---l-- -1 > 3: ---l-- -1 > 4: --O--- -1 > > > > Log related to BB-UART1 cape: > > $ journalctl > Jul 17 16:15:00 beaglebone-glass sh[612]: generic-board-startup: > [model=TI_AM335x_BeagleBone_Black] > Jul 17 16:15:00 beaglebone-glass sh[612]: generic-board-startup: [startup > script=/opt/scripts/boot/am335x_evm.sh] > Jul 17 16:15:00 beaglebone-glass kernel: bone_capemgr bone_capemgr: > part_number 'BB-UART1', version 'N/A' > Jul 17 16:15:00 beaglebone-glass kernel: bone_capemgr bone_capemgr: slot #4: > override > Jul 17 16:15:00 beaglebone-glass kernel: bone_capemgr bone_capemgr: slot #4: > auto loading handled by U-Boot > Jul 17 16:15:00 beaglebone-glass cron[676]: (CRON) INFO (pidfile fd = 3) > Jul 17 16:15:00 beaglebone-glass systemd[1]: Starting System Logging > Service... > Jul 17 16:15:01 beaglebone-glass systemd[1]: Started D-Bus System Message > Bus. > > Linux info: > > $ uname -a > Linux beaglebone-glass 4.4.62-ti-r104 #1 SMP Thu May 18 18:00:40 UTC 2017 > armv7l armv7l armv7l GNU/Linux > > $ cat /etc/dogtag > rcn-ee.net console Ubuntu Image 2017-05-21 > > How to fix it?
That image uses u-boot overlays: http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays in /boot/uEnv.txt set: uboot_overlay_addr4=/lib/firmware/BB-UART1-00A0.dtbo uboot_overlay_addr5=/lib/firmware/BB-PWM1-00A0.dtbo Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYh8EBtAhUSWFCHbzz6xNKFXPi8Onq1Lg%2BOoiHndfiip2w%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
