Device tree for RFSoC 4x2 that is running PYNQ

Support
1

Hello,

Where can I get the info to build the project for the RFSoC 4x2 board.
I would like to see what it looks like. I am also inserted in the device tree.
Thanks,
Cherif

2

Hi @Chibane,

Welcome to the PYNQ community.

You can find the project here RFSoC-PYNQ/boards/RFSoC4x2 at master · Xilinx/RFSoC-PYNQ · GitHub

More information here RFSoC 4x2 Base overlay | RFSoC-PYNQ

Mario

3

Hi,
Which RFSoC 4x2 project are you refering?
You can find information about the board in these websites:
(RFSoC 4x2 Overview | RFSoC-PYNQ)
(RFSoC 4x2 | Real Digital)

And here are some RFSoC 4x2 projects: (University of Strathclyde - Software Defined Radio Research Laboratory · GitHub)

1 Like
4

Hi Marioruiz,

Thanks your response.
We have an RFSoC 4x2 made by Real Digital.
It comes with everything to run PYNQ. But I do not want to run PYNQ, I would like to run straight Petalinux. Here is what I would like to do.
1- rebuild the existing design
2- Make some changes to the design by adding some ports
3- Rebuild Petalinux.
How do I go about doing this? Are there the Petalinux build files somewhere?
I am a H/W guy and vary familiar with Xilinx ecosystem in the bar metal only.

Any help is greatly appreciated.

Cherif

5

Hi Mathew,

Thanks for your help. I have answered Marioruiz and if there is anything you can help with that will be great.

Thanks,
Cherif

6

1- rebuild the existing design
Are you talking about the Vivado block design, the PL ? Or are you talking about the image, the PS?

2- Make some changes to the design by adding some ports
What do you mean, “adding some ports”? Do you want to physically put, glu more ports on the hardware, on the board?

7

Hi Mathew,

Thanks a lot for your answers.
1- rebuild the existing design
By this I mean rebuilding the block diagram and I think I found the info to do it by running the tcl script.

2- Make some changes to the design by adding some ports:
Yes, I want to physically add some ports with addresses. That is why I would need to rebuild the Petalinux again. And to do this, I will need:

  • device tree ( which as H/W I never fully understood it- despite the numerous explanation by my S/W Colleages)
  • How to rebuild the kernel. What selection I need to set up among the many I have to chose from using the Peatlinux -config

The reason I am doing this is because I would like to understand how the PL DRAM controller as well the how DMA driver work to customize it to my block diagram. My design does not need PYNQ to run.

Thanks,
Cherif