Mity CPU Platforms » MitySOM-5CSX Altera Cyclone V

06/28/2019

WD 03:53 PM Software Development: RE: FPGA PIO interrupt issues with Rocko and kernel 4.9

Thanks for the log and module code.
We'd like to build this module in an attempt to recreate the issue, but the declaration of @const struct driver_attribute *driver_attr_fpga_uinput@ is not contained in the module code. Could you pro... Wesley Dahar

VJ 10:04 AM Software Development: RE: FPGA PIO interrupt issues with Rocko and kernel 4.9

Hi Dan, thanks for your reply.
I did a quick test where I replaced the 4.9 (RT) zImage with 4.1.22(RT) on my rocko SD card, and then my PIO interrupts worked as expected.
When using the kernel from the rocko branch (ref https://sup... V J

06/27/2019

DV 08:21 PM Software Development: RE: FPGA PIO interrupt issues with Rocko and kernel 4.9

Hello,
We aren't aware of any changes or issues with the PIO interrupts. We haven't been able to recreate the issue that you are seeing here. Could you post your boot log and the section of code that you are using to initialize the gp... Daniel Vincelette

VJ 12:42 PM Software Development: FPGA PIO interrupt issues with Rocko and kernel 4.9

Hi
After upgrading to Rocko and kernel 4.9 (RT) my pio interrupt routine is no longer working. My previous setup was Krogoth with kernel 4.1.22 where my pio interrupts were working fine.
When receiving an FPGA PIO interrupt now I get (... V J

06/26/2019

AA 08:13 AM Software Development: cannot boot a kernel with kexec

I use MitySOM-5CSX dev kit and i would like to boot to a different kernel using kexec.
In my configuration:
KERNEL : https://github.com/altera-opensource/linux-socfpga/archive/socfpga-4.9.76-ltsi-rt.zip
COMPILER : https://rel... aggelis aggelis