On Friday, April 26, 2019 at 5:24:21 PM UTC-5, Charles Steinkuehler wrote:
>
> You need to make sure you have the UIO PRU driver enabled (vs. the 
> remoteproc one).  Both are generally available in most recent kernels, 
> although the UIO only recently began working again for recent 4.x 
> kernels (see this list a few months back).  To enable the UIO PRU driver: 
>
> https://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_PRU_Options 
>
> uboot_overlay_pru=/lib/firmware/AM335X-PRU-UIO-00A0.dtbo 
>
>
>
Yes, that line is also present and not commented out in the uEnv.txt file.  
I put the saved copy of uEnv.txt back after tinkering with ONLY that file.  
And, uio_pruss definitely WAS loaded before I started messign with uEnv.txt

Thanks,

Jon
 

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