Mity CPU Platforms » MitySOM-5CSX Altera Cyclone V

12/21/2017

VJ 08:55 AM Software Development: RE: FPGA GPIO interrupt

Hi Dan
I have attached the kernel module we are trying to load, fpga_uinput.ko and the Makefile.
One thing we have not figured out is how the fpga gpio interrupts are mapped into the linux interrupts.
To make this work (on our previou... V J

12/20/2017

DV 01:14 PM Software Development: RE: FPGA GPIO interrupt

Hi Vidar,
Can you please post your updated dts and the source for the gpio driver?
Dan Daniel Vincelette

VJ 12:32 PM Software Development: FPGA GPIO interrupt

Hello
In our design we need to generate a gpio interrupt in the fpga, catch it on the Linux side and execute various SW- actions.
We have a working ‘fpga gpio interrupt kernel module’ developed for another board, and we want to port i... V J

VJ 12:56 PM Software Development: RE: Using PREEMPT_RT on MitySOM 5CSX Dev Board

Hi
Checking out the altera 4.1.22-ltsi-rt branch from git://github.com/altera-opensource/linux-socfpga, and compiling the kernel with gcc version 4.8.3 solved the problems.
Thanks!
BR
Vidar
V J