This guide will provide a step by step walk-through of creating a hardware design using the Vivado IP Integrator for the Zybo board. Now the Hardware design is exported to the SDK tool. We will use SDK to create a Software application that will use the customized board interface data and FPGA hardware configuration by importing the hardware design information from Vivado.

Tutorial 23: Embedded Linux- PetaLinux

When you first run Vivado this will be the main start window where you can create a new project or open a recent one. Toggle Navigation. Store Blog Forum Projects Documentation. Dokuwiki Plugins Infobox Video Carousel. Table of Contents. Creating a New Project 2. Creating a New Block Design 3. Run the Connection Automation Tool 5.

Generate the Bitstream 7. Export hardware files for SDK 8. Launch SDK 9. Creating Our Own Hello World Run the Project. Getting Started with Zynq. At the end of this tutorial you will have: Created a simple hardware design incorporating the on board LEDs and switches. Created a. Xilinx Vivado X with the SDK package. Zybo Support Files. Vivado Open Vivado and select Zybo board. Click Next.

Click through the next three screens. Click Next and then Finish. Click OK. Select Run Connection Automation highlighted in blue. Click the Regenerate Layout button to rearrange your block design.

Embedded Linux Tutorial - Zybo

This will check for design and connection errors. In the block design window, under the Design Sources tab, right-click on the block diagram file. Wait for the process to complete and click OK. Click Nextselect Hello World and click Finish. This process will add two directories to the project explorer.This Embedded Linux hands-on tutorial for the Zybo will provide step-by-step instructions for customizing your hardware, compiling the Linux Kernel and writing driver and user applications.

This documentation intends to integrate knowledge and skills in FPGA logic circuit design, standalone software programming, and Linux operating system and software development, and apply them to the Zybo.

In this tutorial, we will start from the Zybo Base System Design available on the Zybo product page of the Digilent website. The system architecture for the Zybo Base System Design is shown in the first picture in this step. More details of the hardware design can be found in the documentation inside the Zybo Base System Design package. The guide will provide you with the knowledge you may need in each step of the development.

In this tutorial, we are going to use Vivado All the screen shots and codes are done using Vivado Design Suite Did you use this instructable in your classroom? Add a Teacher Note to share how you incorporated it into your lesson. Download the Zybo Base System Design from the website and unzip it into our working directory our working directory is named tutorial throughout this tutorial. For more information on the hardware design, please refer to Project Guide under doc folder.

Source Vivado You will see the Vivado window pop up. Note: There are four settings files available in the Vivado toolset: settings So, we need to click on the IP integrator and open the Block Diagram as shown in the first image in this step. We will handle the modification of external pin location configuration xdc file in later steps. Note: In Figure 4 there is a Yellow bar indicating the need for an upgrade. To upgrade hit show IP status, make sure all are selected and hit Upgrade Selected.

In Vivado To do this first go to the Project Settings under Project Manager on the left side of the window image 1 and the project settings window will pop up. Notice that the vendor is chosen as nonethis will cause a Vivado Internal Exception.

You can name the Vendor whatever you like image 3. Now we can start implementing our myLed IP Core. In the next window name the new IP and click next again image 3.

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The next window will be the Add Interfaces Window. This will create the AX14 Interface for the myLed peripheral. Make sure the interface type is Lite, the mode is Slave, the data width is 32 bits and the number of registers is 4. We only need 1 register but the minimum we can select is 4.

Then click next.

Getting Started with Zynq

The next window will prompt for the next steps to finish creating the IP. This is where we will add our user logic. This contains the user logic inside of the myLed IP. We need to add two lines of code to complete the user logic for this module. First we need to create a user port which called led image 2. Next we need to connect the internal slave to this user port.

Next we need to connect the user logic to myLed. To complete the IP there are two lines of code we need to add to this file. Under the comment that says Users to add ports here, add a port for the LEDs image 1.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again.

In order to boot petalinux you have to download the devicetree and the Petalinux images from Xilinx. Download the latest release here Zynq This will boot Petalinux on the zc you can either login directly in the QEMU terminal as user root or you can login via ssh with the following command:. To compile a C program on your host you need the arm-linux-gnueabihf-gcc compiler either you have a recent version of Xilinx Vivado SDx which provides this compiler or you have to install it manually for your host:.

Compile it with:. To mount a virtual SD card on the host computer you have to install nbd-client network block device client and load its kernel module. This will create a qcow2 image with the size of 1GB. To mount the sdcard. Now you can copy files to the SD card image. If you are done copying files unmount and disconnect it with:. Skip to content. Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

Sign up. Makefile C. Makefile Branch: master. Find file.

zynq linux tutorial

Sign in Sign up. Go back. Launching Xcode If nothing happens, download Xcode and try again. Latest commit. Latest commit dfd1d2f Jun 6, Compile for Petalinux To compile a C program on your host you need the arm-linux-gnueabihf-gcc compiler either you have a recent version of Xilinx Vivado SDx which provides this compiler or you have to install it manually for your host: Ubuntu sudo apt-get install gcc You signed in with another tab or window.The board used in the examples is the ZedBoard, but you could use pretty much any ZYNQ development board that supports Pmod interfaces.

Links to these products are provided below. This tutorial will also uses two Digilent Pmod boards. You can follow along with the tutorial using either Linux or Windows. I use Linux so the examples may be biased in that direction. However, I will also try to provide links and tips for using Windows. You will need to download the Xilinx Vivado software from the Xilinx website. Make sure you download release Follow the directions that come with the board to redeem your license.

Before starting on this tutorial, you should do the first tutorial on the ZedBoard site. That will get you familiar with using the Vivado IDE. Specifically you need to learn how to create a project and program the board. Once you have mastered that, you can get started on the tutorials here. Pingback: LEON3 gumdaeng. Hello, I am working on zynq zc I think if you follow the tutorial you will learn how to do this.

Hi pete, Can you give me some suggestions using SPI how to do accordingly i will proceed. You just need to combine these techniques to make a SPI interface.

zynq linux tutorial

It would have registers to control the data you want to send or read the data you have received. In addition you would need some control registers to start the transmission and control various aspects of your logic — like the SPI clock rate for example. Have you worked through all the tutorials? It is important to really understand what you are doing.

Otherwise you will always be limited to using only the Xilinx IP or things you can copy from others. Hello, I gone through tutorials butn i tried to design the same block in vivado as shown in tutorials for I2S but i am not able to do the same in vivado But I thought you wanted a SPI interface. I am not sure why the tutorials would not work in Vivado It is hard to give you more advice on your SPI interface without knowing what your requirements are.These need reworking.

If you are building for an embedded platform look at Embedded. Jonathon Pendlum jon. It features low latency, high throughput, and cache-coherent communication between the programmable logic and the ARM processor cores. Development moves rapidly in Open Embedded and GNU Radio which unfortunately means this guide has become out of date and the instructions will likely fail.

This warning will be removed once the page has been updated. We are providing support for some machines through our Embedded work. The following instructions after this section are useful when building everything yourself from scratch. If any of these steps are confusing, consult the rest of this wiki page for details about how they relate to the Zynq systems. If things are still confusing, consult OpenEmbedded. Generally, we assume that the media being used to hold the root file system is some removable and writable media like and SD Card.

We further assume that the media is partitioned into primary partitions for BOOT and rootfs. The following discussion below goes over how to properly set these partitions.

Note for those using the Xilinx tools on Ubuntu and hence Debian : Officially Xilinx does not support Ubuntu, but their tools mostly work with a simple tweak:. There are reports that the SD cards included in the Zynq development board kits sometimes cause strange problems.

That series has built in error correction and wear leveling which most cards lack. OpenEmbedded is a powerful tool for creating embedded Linux distributions. BIN file.

zynq linux tutorial

Since we will be cloning multiple git repos, we will use Google's git-repo tool along with a manifest file to make it easier. See Appendix A. Run bitbake to build everything we will need kernel, u-boot, rootfs, and boot. The directory will contain many files. The files we need are:.

GParted is the easiest tool to prepare the SD card. Make two partitions: one named BOOT, fat32, size 40MB, marked as bootable and another named rootfs, ext4, rest of the free space.

The development boards have a set of DIP switches to determine the boot mode. Out of the box, all the boards should be set to boot from the SD card, but it is best to double check. Since the root user does not have a password, it is advisable to not connect ethernet on the first boot up and set the root password through the USB serial port.In this tutorial, we cover installing PetaLinux on your build machine and making a Linux build for your ZedBoard. We will then write some code to control the FPGA we built in the previous tutorial.

You can find the You should modify the commands below for your particular installation directory. After downloading the PetaLinux tools, run the following command to install them.

This will take quite a while to verify the package contents and then ask you to accept some license terms. Once the PetaLinux tools are installed, you also need to install the board support package.

That is just a single file which I copied into the install area like this:. The PetaLinux tools have a shell script which you can use to set your shell path and environment variables. To do that, run the following in your shell:. You use the petalinux-create command to create a project. Once you have created your PetaLinux project, you need to configure the Linux build.

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To do that, you run the petalinux-config command like this. We need to point the PetaLinux configuration process to that exported design.

zynq linux tutorial

So I used the following command:. This will bring up a Linux menuconfig utility.

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You can use this to configure options for your Linux build. For now, just use your arrow keys to select Exit and then press return. Run the following command:. Use the arrow keys and spacebar to select both dropbear and the bropbear-openssh-sftp-server.The examples assume that the Xillinux distribution for the Zedboard is used.

The kernel is now just like any bare-metal application running on a processor. It needs to configure the processor.

It needs to set up virtual memory. It needs to print something to the console. But how? All these operations are carried out by writing to registers, but how does the Linux kernel know their addresses?

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How does it know how many cores it can run on? How much memory it can access? This is fine for everything that is usually fixed, such as the internal registers on an x86 processor, or the access of the BIOS on a PC. The ARM architecture has become a major headache in the Linux community: Even though the processors share the same compiler and many functionalities, each embodiment i. On top of that, each board has its own set of external components.

The result is a wild forest of header files, patches and special configuration parameters in the kernel tree, each combination matching a specific board with a specific chip containing an ARM processor. In short, it has turned out to be an ugly and unmaintainable pile of hacks which nobody is really fond of.

On top of that, each kernel binary is compiled for a specific chip on a specific board, which is more or less like compiling the kernel for each PC motherboard on the market.

Install Vivado, SDK and PetaLinux 2018.3

So there was a wish to compile the kernel for all ARM processors, and let the kernel somehow detect its hardware and apply the right drivers as needed. Exactly as it does with a PC. The Linux kernel has only itself to trust. This is essentially a data structure in byte code format that is, not human-readable which contains information that is helpful to the kernel when booting up. Any routine in the kernel may look up any parameter in any path in the device tree. It's the choice of the programmer what is parametrized, and where the parameter is best placed in the tree.

Adopting the standard tree structure allows using a convenient API for fetching specific data.

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For example, there is a clear and cut convention for how to define peripherals on the bus, and an API for getting the essential information the driver needs: Addresses, interrupts and custom variables. More about that later. To most of us, the device tree is where we inform the kernel about a specific piece of hardware i. This is also where specific information about the hardware is conveyed. In a normal flow, the DTS file is edited and compiled into a DTB file using a special compiler which comes with the Linux kernel sources.

Some architectures have an automatic tool for generating a device tree from an XPS project e. Microblazebut currently there is no such tool available for the Zynq EPP platform. On Xillinux 1. Or, if this happens to work:. Or just try to run dtc as shown above. To obtain a text file from a DTB blob, go something like. This should be done on Xillinux running on Zedboard or any other distribution that supplies the kernel headers.

The output file goes to the home directory. It's quite common to have include preprocessor macros in DTS files, for the sake of modularity. Often there are processor-dependent DTS entries kept in an include file typically with a. As later assignments override earlier ones during the dtc compilation, it's sensible to add entries into existing hierarchies, as well as override existing parameters.

In particular, it's common to define all peripherals in a processor-specific. The board-level device tree may then include the processor-specific file and assign "status" with "okay" on the peripherals desired, plus possibly set up some board-specific parameters.


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