git:/opt/scripts/:[109f74fb87e6034ae1a8971a244064a8d5e090a5] eeprom:[A335BNLT00C02516BBBK1ED1] model:[TI_AM335x_BeagleBone_Black] dogtag:[BeagleBoard.org Debian Image 2019-08-03] bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot 2019.04-00002-gbb4af0f50f ]:[location: dd MBR] kernel:[4.14.108-ti-r113] nodejs:[v6.17.0] uboot_overlay_options:[enable_uboot_overlays=1] uboot_overlay_options:[disable_uboot_overlay_video=1] uboot_overlay_options:[disable_uboot_overlay_audio=1] uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-14 -TI-00A0.dtbo] uboot_overlay_options:[enable_uboot_cape_universal=1] pkg check: to individually upgrade run: [sudo apt install --only-upgrade <pkg>] pkg:[bb-cape-overlays]:[4.14.20200312.0-0rcnee0~stretch+20200312] pkg:[bb-wl18xx-firmware]:[1.20200226.1-0rcnee0~stretch+20200226] pkg:[kmod]:[23-2rcnee1~stretch+20171005] pkg:[librobotcontrol]:[1.0.4-git20190227.1-0rcnee0~stretch+20190327] pkg:[firmware-ti-connectivity]:[20190717-2rcnee1~stretch+20200305] groups:[debian : debian adm kmem dialout cdrom floppy audio dip video plugdev users systemd-journal i2c bluetooth netdev gpio pwm eqep remoteproc admin spi tisdk weston-launch xenomai cloud9ide] cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 root= /dev/mmcblk1p1 ro rootfstype=ext4 rootwait coherent_pool=1M net.ifnames=0 rng_core.default_quality=100 quiet] dmesg | grep remote [ 1.305558] remoteproc remoteproc0: wkup_m3 is available [ 1.387041] remoteproc remoteproc0: powering up wkup_m3 [ 1.387157] remoteproc remoteproc0: Booting fw image am335x-pm-firmware. elf, size 217168 [ 1.391579] remoteproc remoteproc0: remote processor wkup_m3 is now up [ 24.891910] remoteproc remoteproc1: 4a334000.pru is available [ 24.895704] remoteproc remoteproc2: 4a338000.pru is available dmesg | grep pru [ 24.852363] pruss 4a300000.pruss: creating PRU cores and other child platform devices [ 24.891910] remoteproc remoteproc1: 4a334000.pru is available [ 24.892039] pru-rproc 4a334000.pru: PRU rproc node /ocp/ pruss_soc_bus@4a326004/pruss@0/pru@34000 probed successfully [ 24.895704] remoteproc remoteproc2: 4a338000.pru is available [ 24.892039] pru-rproc 4a334000.pru: PRU rproc node /ocp/ pruss_soc_bus@4a326004/pruss@0/pru@34000 probed successfully [ 24.895704] remoteproc remoteproc2: 4a338000.pru is available [ 24.895822] pru-rproc 4a338000.pru: PRU rproc node /ocp/ pruss_soc_bus@4a326004/pruss@0/pru@38000 probed successfully dmesg | grep pinctrl-single [ 0.951949] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568 dmesg | grep gpio-of-helper [ 0.964308] gpio-of-helper ocp:cape-universal: ready lsusb Bus 001 Device 002: ID 0bda:8176 Realtek Semiconductor Corp. RTL8188CUS 802.11n WLAN Adapter Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub END
On Thursday, March 19, 2020 at 7:57:00 AM UTC-4, RobertCNelson wrote: > > On Thu, Mar 19, 2020 at 6:46 AM <[email protected] <javascript:>> > wrote: > > > > Going through the first PRU example in Exploring Beaglebone (2nd ed). > When I try to start the pru I get this: > > > > debian@beaglebone:/sys/class/remoteproc/remoteproc1$ echo start > state > > -bash: echo: write error: Invalid argument > > > > I get this from dmesg: > > > > [ 100.249395] remoteproc remoteproc1: powering up 4a334000.pru > > [ 100.249525] remoteproc remoteproc1: loading > /lib/firmware/am335x-pru0-fw failed with error -22 > > [ 100.249537] remoteproc remoteproc1: Direct firmware load for > am335x-pru0-fw failed with error -22 > > > > I finally found out a workaround after an embarrassing amount of time: > replace the am335x-pru*-fw files in /lib/firmware with the the ones in > /opt/scripts/device/bone/pru-rpmsg_client_sample/. I actually found them on > Robert Nelson's github page and only found out later that they were on the > BBB the whole time. > > > > I've tried a few of the latest images (as of March 2020) from rcn-ee.com > and have still been unsuccessful in working with the PRU. In those cases, I > don't even see any mention of the PRUs in dmesg. > > > > Is this a bug, or is there an SOP I haven't found yet? > > Please run & report: > > sudo /opt/scripts/tools/version.sh > > you might be fighting a mis-configuration due to u-boot.. ;) > > 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/92236d77-ee8a-41ab-8af6-5724acbb298b%40googlegroups.com.
