Good day, By now you probably already found an answer/solution, but I had a similar problem with kernel 4.9.51 and maybe someone else needs the workaround. It looks like now the firmware has to be loaded into the PRU's manually. http://processors.wiki.ti.com/index.php/PRU-ICSS_Remoteproc_and_RPMsg
echo 'am335x-pru0-fw' > /sys/class/remoteproc/remoteproc1/firmware echo 'am335x-pru1-fw' > /sys/class/remoteproc/remoteproc2/firmware echo 'start' > /sys/class/remoteproc/remoteproc1/state echo 'start' > /sys/class/remoteproc/remoteproc2/state After executing the above commands I would get the familiar dmesg output: [ 100.724488] remoteproc remoteproc1: powering up 4a334000.pru0 [ 100.734584] remoteproc remoteproc1: Booting fw image am335x-pru0-fw, size 26416 [ 100.748630] remoteproc remoteproc1: remote processor 4a334000.pru0 is now up [ 111.235625] remoteproc remoteproc2: powering up 4a338000.pru1 [ 111.247976] remoteproc remoteproc2: Booting fw image am335x-pru1-fw, size 72904 [ 111.261356] ti-pruss 4a300000.pruss: configured system_events = 0x00000000000c0000 intr_channels = 0x0000000a host_intr = 0x0000000a [ 111.285770] remoteproc remoteproc2: registered virtio0 (type 7) [ 111.300130] remoteproc remoteproc2: remote processor 4a338000.pru1 is now up [ 111.380517] virtio_rpmsg_bus virtio0: creating channel rpmsg-pru addr 0x1f [ 111.388129] virtio_rpmsg_bus virtio0: rpmsg host is online [ 111.544072] rpmsg_pru virtio0.rpmsg-pru.-1.31: new rpmsg_pru device: /dev/rpmsg_pru31 Hope this helps, Eryk On Wednesday, July 12, 2017 at 5:55:14 AM UTC-4, Igor Jędrzejczak wrote: > > Have* -- 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 beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/71600f91-be2a-476b-b2a2-7aeb9a97ec18%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
