On Tue, Mar 28, 2017 at 9:16 AM, <[email protected]> wrote: > > Hello All, > > I am trying to get CAN working on a Beaglebone Black running the following > kernel: > > Linux beaglebone 4.4.54-ti-r93 #1 SMP Fri Mar 17 13:08:22 UTC 2017 armv7l > GNU/Linux > > I am attempting to use the CAN1 interface on the BeageBone as I have done > previously on other distriubutions, however when I follow the instructions > posted here: https://github.com/RobertCNelson/bb.org-overlays I get an > error. > > For example, if I try the following: > > root@beaglebone:/home/debian# echo 'BB-UART1' > > /sys/devices/platform/bone_capemgr/slots > bash: echo: write error: File exists > > Dmesg output: > > [ 40.829790] bone-pinmux-helper: probe of ocp:P9_31_pinmux failed with > error -22 > [ 40.859306] gpio-of-helper ocp:cape-universal: Allocated GPIO id=0 > [ 40.859510] gpio-of-helper ocp:cape-universal: Allocated GPIO id=1 > [ 40.859679] gpio-of-helper ocp:cape-universal: Allocated GPIO id=2 > [ 40.859851] gpio-of-helper ocp:cape-universal: Allocated GPIO id=3 > [ 40.860015] gpio-of-helper ocp:cape-universal: Allocated GPIO id=4 > [ 40.860176] gpio-of-helper ocp:cape-universal: Allocated GPIO id=5 > [ 40.860351] gpio-of-helper ocp:cape-universal: Allocated GPIO id=6 > [ 40.860513] gpio-of-helper ocp:cape-universal: Allocated GPIO id=7 > [ 40.860683] gpio-of-helper ocp:cape-universal: Allocated GPIO id=8 > [ 40.860852] gpio-of-helper ocp:cape-universal: Allocated GPIO id=9 > [ 40.861016] gpio-of-helper ocp:cape-universal: Allocated GPIO id=10 > [ 40.861194] gpio-of-helper ocp:cape-universal: Allocated GPIO id=11 > [ 40.861365] gpio-of-helper ocp:cape-universal: Allocated GPIO id=12 > [ 40.861534] gpio-of-helper ocp:cape-universal: Allocated GPIO id=13 > [ 40.861705] gpio-of-helper ocp:cape-universal: Allocated GPIO id=14 > [ 40.861874] gpio-of-helper ocp:cape-universal: Allocated GPIO id=15 > [ 40.875457] gpio-of-helper ocp:cape-universal: Allocated GPIO id=16 > [ 40.875733] gpio-of-helper ocp:cape-universal: Allocated GPIO id=17 > [ 40.875912] gpio-of-helper ocp:cape-universal: Allocated GPIO id=18 > [ 40.876095] gpio-of-helper ocp:cape-universal: Allocated GPIO id=19 > [ 40.876259] gpio-of-helper ocp:cape-universal: Allocated GPIO id=20 > [ 40.876418] gpio-of-helper ocp:cape-universal: Allocated GPIO id=21 > [ 40.876580] gpio-of-helper ocp:cape-universal: Allocated GPIO id=22 > [ 40.876735] gpio-of-helper ocp:cape-universal: Allocated GPIO id=23 > [ 40.876889] gpio-of-helper ocp:cape-universal: Allocated GPIO id=24 > [ 40.881135] gpio-of-helper ocp:cape-universal: Allocated GPIO id=25 > [ 40.881355] gpio-of-helper ocp:cape-universal: Allocated GPIO id=26 > [ 40.881558] gpio-of-helper ocp:cape-universal: Allocated GPIO id=27 > [ 40.881716] gpio-of-helper ocp:cape-universal: Allocated GPIO id=28 > [ 40.881877] gpio-of-helper ocp:cape-universal: Allocated GPIO id=29 > [ 40.886404] gpio-of-helper ocp:cape-universal: Allocated GPIO id=30 > [ 40.886687] gpio-of-helper ocp:cape-universal: Allocated GPIO id=31 > [ 40.886865] gpio-of-helper ocp:cape-universal: Allocated GPIO id=32 > [ 40.887041] gpio-of-helper ocp:cape-universal: Allocated GPIO id=33 > [ 40.887201] gpio-of-helper ocp:cape-universal: Allocated GPIO id=34 > [ 40.887366] gpio-of-helper ocp:cape-universal: Allocated GPIO id=35 > [ 40.887526] gpio-of-helper ocp:cape-universal: Allocated GPIO id=36 > [ 40.887538] gpio-of-helper ocp:cape-universal: ready > [ 40.898497] 48022000.serial: ttyS1 at MMIO 0x48022000 (irq = 199, > base_baud = 3000000) is a 8250 > [ 40.908411] 48024000.serial: ttyS2 at MMIO 0x48024000 (irq = 200, > base_baud = 3000000) is a 8250 > [ 40.918518] 481a8000.serial: ttyS4 at MMIO 0x481a8000 (irq = 201, > base_baud = 3000000) is a 8250 > [ 40.930524] eqep 48300180.eqep: ver. 1.0 > [ 40.940161] eqep 48302180.eqep: ver. 1.0 > [ 40.957039] eqep 48304180.eqep: ver. 1.0 > [ 40.975138] omap_i2c 4802a000.i2c: bus 1 rev0.11 at 100 kHz > [ 41.016139] bone_capemgr bone_capemgr: slot #4: dtbo > 'cape-universaln-00A0.dtbo' loaded; overlay id #0 > [ 41.020746] asoc-simple-card sound: i2s-hifi <-> 48038000.mcasp mapping > ok > [ 42.912836] CAN device driver interface > [ 43.056608] c_can_platform 481cc000.can: c_can_platform device registered > (regs=fa1cc000, irq=210) > [ 43.087789] c_can_platform 481d0000.can: c_can_platform device registered > (regs=fa1d0000, irq=211) > [ 194.362266] bone_capemgr bone_capemgr: part_number 'BB-UART1', version > 'N/A' > [ 194.362348] bone_capemgr bone_capemgr: slot #5: override > [ 194.362391] bone_capemgr bone_capemgr: Using override eeprom data at slot > 5 > [ 194.362439] bone_capemgr bone_capemgr: slot #5: 'Override Board > Name,00A0,Override Manuf,BB-UART1' > [ 194.375726] bone_capemgr bone_capemgr: slot #5: BB-UART1 conflict P9.24 > (#4:cape-universaln) > [ 194.384469] bone_capemgr bone_capemgr: slot #5: Failed verification
[ 522.712138] bone_capemgr bone_capemgr: slot #6: BB-UART1 conflict P9.24 (#4:cape-universaln) [ 522.720969] bone_capemgr bone_capemgr: slot #6: Failed verification cape-universaln is already loaded so bb-uart1 can't load.. To disable this, open /boot/uEnv.txt and remove "cape_universal=enable" and reboot. 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/CAOCHtYh8o2Smb7CTOzV71SBdjsEjzqckiYucJ1Pbqoes8cshJw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
