On Wed, 7 Apr 2021 09:31:04 -0700 (PDT), in
gmane.comp.hardware.beagleboard.user Cheng Chen
<[email protected]> wrote:
>I am following the Molloy's book chapter 15 to learn PRU.
First or Second edition?
>kernel:[4.19.94-ti-r42]
>uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-14-TI-00A0.dtbo]
>pkg:[bb-cape-overlays]:[4.14.20200403.0-0rcnee0~buster+20200403]
Might be relevant -- you are running a 4.19.x kernel, but loading 4.14
PRU RPROC firmware...
>[ 51.242110] remoteproc remoteproc0: wkup_m3 is available
>[ 51.258161] remoteproc remoteproc0: powering up wkup_m3
>[ 51.258191] remoteproc remoteproc0: Booting fw image
>am335x-pm-firmware.elf, size 217168
>[ 51.258458] remoteproc remoteproc0: remote processor wkup_m3 is now up
>dmesg | grep pru
--
Dennis L Bieber
--
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