[beagleboard] Boottime Reduction

2019-12-17 Thread geyer . christian97
Hello Everybody,

I need to reduce the Booting time of my Beaglebone Black (4.14.71-ti-r80) 
but I also need a lot of drivers like SPI, I2C, and Remoteproc for the PRUs.
By now it boots within ca. 1:30 which is way to much. Is there a simple way 
or a good guide to lower this time?

Regards Chris

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[beagleboard] Interrupt from PRU to ARM

2019-08-13 Thread geyer . christian97

Hello Everybody,

I've got a problem which I can not solve through tutorials and other stuff. 
Therefore I am asking you all:

Has anybody an example on how to run an Interrupt from PRU to ARM by using 
remoteproc and the 4.14 kernel?

The problem I face is the whole Init sequence for interrupt checking on the 
ARM, as it is completely new to me, and I only found examples using 
polling, but I need a "actual" interrupt.

I'm looking forward to get answers.

Regards
Chris

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[beagleboard] Beaglebone Black Kernel Module

2019-08-13 Thread geyer . christian97
Hello Online community,

I am facing a problem, which I need assistence for. I want to write a 
Kernel Module to my Beaglebone Black, and the Makefile is not working, 
because the default path /lib/modules/$(shell uname -r)/build does not 
exist on the Kernel (4.14.71-ti-r80) I am using.

I would like to know which file path is the correct one. I also want to 
know if it is even possible to compile a Kernelmodule right on the 
Beaglebone Black, or it has to be done by crosscompiling.

Regards

Chris

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