An update - tried switching my 8.9/4.4.54-ti-r93 setup (that we have working with kernel overlays) over to uBoot overlays - all good...
[ 37.211677] remoteproc1: powering up 4a338000.pru1 [ 37.212435] remoteproc1: Booting fw image am335x-pru1-fw, size 129436 [ 37.240836] ti-pruss 4a300000.pruss: configured system_events = 0x00000000000c0000 intr_channels = 0x0000000a host_intr = 0x0000000a [ 37.246313] remoteproc1: remote processor 4a338000.pru1 is now up [ 37.261296] virtio_rpmsg_bus virtio0: rpmsg host is online [ 37.261377] virtio_rpmsg_bus virtio0: creating channel rpmsg-pru addr 0x1f [ 38.227474] rpmsg_pru rpmsg0: new rpmsg_pru device: /dev/rpmsg_pru31 No idea why the PRUSS driver doesn't power up the PRU under Stretch/4.14.whatver Now to see if I can get overlayroot working on 8.9/4.4 and sort out the read-only filesystem On Thursday, 9 May 2019 12:31:27 UTC+1, Hugh Frater wrote: > > I have the same problem as this user: > https://groups.google.com/forum/#!category-topic/beagleboard/pru/g2NcW2sUX-4 > in that remoteproc only detects the wkup_m3 coprocessor (whatever that is) > and doesn't seem to detect the PRUs on boot. > > This is a fresh install of Sretch IOT from beagleboard.org, with the > kernel and cape-overlays updated through the tools/scripts... > > version.sh shows: > > git:/opt/scripts/:[c2a5ae96746d10d711c60bc84ba244f4cd7b75c3] > eeprom:[A335BNLT00C03816BBBK190D] > model:[TI_AM335x_BeagleBone_Black] > dogtag:[BeagleBoard.org Debian Image 2018-10-07] > bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot > 2018.09-00002-g0b54a51eee]:[location: dd MBR] > kernel:[4.14.108-ti-r104] > nodejs:[v6.14.4] > uboot_overlay_options:[enable_uboot_overlays=1] > uboot_overlay_options:[disable_uboot_overlay_emmc=1] > uboot_overlay_options:[disable_uboot_overlay_video=1] > uboot_overlay_options:[disable_uboot_overlay_audio=1] > uboot_overlay_options:[disable_uboot_overlay_wireless=1] > uboot_overlay_options:[disable_uboot_overlay_adc=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]:[4.4.20190429.0-0rcnee0~stretch+20190429] > pkg:[bb-wl18xx-firmware]:[1.20180517-0rcnee0~stretch+20180517] > pkg:[kmod]:[23-2rcnee1~stretch+20171005] > pkg:[librobotcontrol]:[1.0.3-git20181005.0-0rcnee0~stretch+20181005] > pkg:[firmware-ti-connectivity]:[20170823-1rcnee1~stretch+20180328] > groups:[debian : debian adm kmem dialout cdrom floppy audio dip video > plugdev users systemd-journal i2c bluetooth netdev cloud9ide gpio pwm eqep > admin spi tisdk weston-launch xenomai] > cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 > root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait coherent_pool=1M > net.ifnames=0 quiet] > dmesg | grep remote > [ 1.302485] remoteproc remoteproc0: wkup_m3 is available > [ 1.389525] remoteproc remoteproc0: powering up wkup_m3 > [ 1.389661] remoteproc remoteproc0: Booting fw image > am335x-pm-firmware.elf, size 217168 > [ 1.393097] remoteproc remoteproc0: remote processor wkup_m3 is now up > dmesg | grep pru > dmesg | grep pinctrl-single > [ 0.971911] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 > size 568 > dmesg | grep gpio-of-helper > [ 0.984114] gpio-of-helper ocp:cape-universal: ready > lsusb > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > END > > What am I doing wrong here? Surely PRU support is one of those things that > should be working out of the box with the correct u-boot overlay applied? > > > > > > -- 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/8dc31247-c629-4782-9b2a-f5802e696634%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
