There are some obvious places in /boot/uEnv.txt. If it doesn't load though, usually the only way you can debug is to hook up a serial console to UART0 because uboot loads before kernel logging starts.
On Wed, May 15, 2019, 8:27 PM Walter Cromer <walt...@edenconceptsllc.com wrote: > Hugh - I'm a real newbie. I compiled a device tree overlay with not > errors and have a dtbo file now. I just don't know how to get it into the > boot process. Where do I put it, do I need to change a file like env.txt > somewhere to get it to load and if so what syntax do i use? Where did you > find these instructions? I'm so lost and need to keep moving forward. it > was going so well... > > I'm on 4.4.14 > > On Thursday, May 9, 2019 at 7:31:27 AM UTC-4, 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 beagleboard+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beagleboard/205e5464-ada4-4a7b-9133-7461c75adb14%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/205e5464-ada4-4a7b-9133-7461c75adb14%40googlegroups.com?utm_medium=email&utm_source=footer> > . > For more options, visit https://groups.google.com/d/optout. > -- 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/CAGS%2B2h8ZioaD5ydBvHru6j--3FR1a1OJ4ni-0dTfX_hopHAbCg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
