On Tue, Nov 8, 2016 at 11:08 AM, Greg <soapy-sm...@comcast.net> wrote:

> I think I know exactly what is wrong.  You need to activate the Remoteproc
> PRU framework.  This is no longer active by default.
> Robert Nelson's script which is available via Github repository will fix
> the problem.
>
> I have been working on detailed documentation of the entire process to
> activate the framework and set up the C compiler:
>
> https://github.com/Greg-R/pruadc1
>
> More specifically, look at this PDF file:
>
> https://github.com/Greg-R/pruadc1/blob/master/doc/PRUADC1latex/PRUADC1.pdf
>
> Go to the chapter "Setting Up the Remoteproc PRU and Compiler on the
> Beaglebone Green".
>
> Now, the chapter is not completely finished.  I am still seeing a problem
> with the configuration
> At boot, the PRU firmwares are not starting correctly.  I don't understand
> why this is.
>

Probably because the device tree file you're trying to load at boot is not
in the initramfs.

>
> However, you can do this:
>
> rmmod pru_rproc
>
> and then
>
> modprobe pru_rproc
>
> The firmwares will start running.
> More investigation, required, but at least there is some path to getting
> things working for now.
>
> I will do some more work on this later today.
>
> Regards,
> Greg
>
>
> On Tuesday, November 8, 2016 at 11:42:25 AM UTC-5, Zach B wrote:
>>
>> I have spent a solid 12 hours trying to get the PRU's on the beaglebone
>> to work. So far I seem to be completely stuck at the getting the device
>> overlay to work as well as enabling the remoteproc. I have tried to piece
>> together all of the information I have found on the internet but it is
>> either out of date or extremely fragmented. I can't seem to find a current
>> working example or I hit a wall when following along as said previously.
>>
>> --
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