New Horizons

Welcome to my blog

My name is Sven Andersson and I
work as a consultant in embedded
system design, implemented in ASIC
and FPGA.
In my spare time I write this blog
and I hope it will inspire others to
learn more about this fantastic field.
I live in Stockholm Sweden and have
my own company


You are welcome to contact me
and ask questions or make comments
about my blog.


New Horizons
What's new
Starting a blog
Writing a blog
Using an RSS reader

Zynq Design From Scratch
Started February 2014
1 Introduction
Changes and updates
2 Zynq-7000 All Programmable SoC
3 ZedBoard and other boards
4 Computer platform and VirtualBox
5 Installing Ubuntu
6 Fixing Ubuntu
7 Installing Vivado
8 Starting Vivado
9 Using Vivado
10 Lab 1. Create a Zynq project
11 Lab 1. Build a hardware platform
12 Lab 1. Create a software application
13 Lab 1. Connect to ZedBoard
14 Lab 1. Run a software application
15 Lab 1. Benchmarking ARM Cortex-A9
16 Lab 2. Adding a GPIO peripheral
17 Lab 2. Create a custom HDL module
18 Lab 2. Connect package pins and implement
19 Lab 2. Create a software application and configure the PL
20 Lab 2. Debugging a software application
21 Running Linux from SD card
22 Installing PetaLinux
23 Booting PetaLinux
24 Connect to ZedBoad via ethernet
25 Rebuilding the PetaLinux kernel image
26 Running a DHCP server on the host
27 Running a TFTP server on the host
28 PetaLinux boot via U-boot
29 PetaLinux application development
30 Fixing the host computer
31 Running NFS servers
32 VirtualBox seamless mode
33 Mounting guest file system using sshfs
34 PetaLinux. Setting up a web server
35 PetaLinux. Using cgi scripts
36 PetaLinux. Web enabled application
37 Convert from VirtualBox to VMware
38 Running Linaro Ubuntu on ZedBoard
39 Running Android on ZedBoard
40 Lab2. Booting from SD card and SPI flash
41 Lab2. PetaLinux board bringup
42 Lab2. Writing userspace IO device driver
43 Lab2. Hardware debugging
44 MicroZed quick start
45 Installing Vivado 2014.1
46 Lab3. Adding push buttons to our Zynq system
47 Lab3. Adding an interrupt service routine
48 Installing Ubuntu 14.04
49 Installing Vivado and Petalinux 2014.2
50 Using Vivado 2014.2
51 Upgrading to Ubuntu 14.04
52 Using Petalinux 2014.2
53 Booting from SD card and SPI flash
54 Booting Petalinux 2014.2 from SD card
55 Booting Petalinux 2014.2 from SPI flash
56 Installing Vivado 2014.3

Chipotle Verification System

EE Times Retrospective Series
It all started more than 40 years ago
My first job as an electrical engineer
The Memory (R)evolution
The Microprocessor (R)evolution

Four soft-core processors
Started January 2012
Table of contents
OpenRISC 1200
Nios II

Using the Spartan-6 LX9 MicroBoard
Started August 2011
Table of contents
Problems, fixes and solutions

FPGA Design From Scratch
Started December 2006
Table of contents
Acronyms and abbreviations

Actel FPGA design
Designing with an Actel FPGA. Part 1
Designing with an Actel FPGA. Part 2
Designing with an Actel FPGA. Part 3
Designing with an Actel FPGA. Part 4
Designing with an Actel FPGA. Part 5

A hardware designer's best friend
Zoo Design Platform

Installing Cobra Command Tool
A processor benchmark

Porting a Unix program to Mac OS X
Fixing a HyperTerminal in Mac OS X
A dream come true

Stockholm by bike

The New York City Marathon

Kittelfjall Lappland

Tour skating in Sweden and around the world
Wild skating
Tour day
Safety equipment
A look at the equipment you need
Skate maintenance
Books, photos, films and videos
Weather forecasts

38000 feet above see level
A trip to Spain
Florida the sunshine state

Photo Albums
Seaside Florida
Ronda Spain
Sevilla Spain
Cordoba Spain
Alhambra Spain
KittelfjÀll Lapland
Landsort Art Walk
Skating on thin ice

100 Power Tips for FPGA Designers

Adventures in ASIC
Computer History Museum
Design & Reuse
d9 Tech Blog
EDA Cafe
EDA DesignLine
Eli's tech Blog
FPGA Arcade
FPGA Central
FPGA developer
FPGA Journal
FPGA World
Lesley Shannon Courses
Mac 2 Ubuntu
Programmable Logic DesignLine
World of ASIC

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Monday, October 24, 2011
FPGA design from scratch. Part 73

Installing PetaLinux SDK

We will follow the procedure described in the document PetaLinux SDK Installation Guide.

Downloading the software

As promised I received three emails from PetaLogix with download links for the following items:

  • The license file
  • PetaLinux SDK
  • BSP file for Avnet Spartan-6 LX9 MicroBoard

Here are the files after downloading.

Extract the PetaLinux package

Move the tar file to the installation directory.

--> cd /opt/home/svan/PetaLinux

--> mv ../Downloads/PetaLinux/petalinux-v2.1-final-full.tar.gz .

Extract the compressed PetaLinux package by running the following command:

-> tar zxf petalinux-v2.1-final-full.tar.gz

Install license file

Copy the license file (PetaLogix.lic) to the directory: $HOME/.PetaLogix

Setup PetaLinux working environment

Goto to the PetaLinux root directory:

--> cd $HOME/PetaLinux/petalinux-v2.1-final-full

Source the PetaLinux setup script to complete the installation and accept the license agreements:

--> source

Missing packages

In Debian 6.03 the following packages were missing and had to be installed:

  • libghz6-zlib-dev
  • lib32ncurses5-dev
  • dos2unix

Verify the environment

PetaLinux BSP installation procedure

PetaLinux includes reference designs for us to to start working with and customise for our own projects. These are provided in the form of installable BSP (Board Support Package) files, and include all necessary design and configuration files, including pre- built and tested hardware and software images, ready for download to our board or for booting in the QEMU system simulation environment.

Goto to the PetaLinux root directory:

--> cd $HOME/PetaLinux/petalinux-v2.1-final-full

Run the following script:

--> petalinux-install-bsp ../BSP/Avnet-LX9-Microboard-v2.1-final.bsp

Here is the final result:

Congratulations! We have completed the PetaLinux SDK installation.

Getting started with PetaLinux SDK

We will follow the procedures in the document Getting Started with PetaLinux SDK.

Test a pre-built PetaLinux image on hardware

PetaLinux BSPs include pre-built FPGA bitstreams for each reference design, allowing us to quickly boot PetaLinux on our hardware. Here are the steps to test a pre-built PetaLinux image with hardware:

  1. Choose the correct board for the reference design (Avnet-LX9-Microboard-MMU-tiny-13.1)
  2. Connect the JTAG port on the board with JTAG cable to our workstation.
  3. Connect the UART USB port to our workstation
  4. Connect the ethernet port on the board to the local network via a network switch
  5. Open a console (GTKterm) on our workstation with the baud rate set to 115200
  6. Source the Xilinx settings file 
  7. Source the PetaLinux settings file
  8. Run the petalinux-boot-prebuilt command

Be patient, it can take more than five minutes to complete. Wait until we see the shell prompt again on the command console.

MicroBoard console display

If everything works we will first see the following display on the console:

And then this one.

Logging in

Type user name root and password root to log into the PetaLinux system.

Directory structure

This is what the first directory layer looks like.

/tmp is a writable temporary file system where we can create and edit files.

The /dev contains entries for various devices in the system. /dev/console is the main console. We can try to copy a file to /dev/console  to see what happens. The file content will be displayed on the console screen.

Some useful commands

The file /proc/cpuinfo contains details about the CPU.

--> cat /proc/cpuinfo

The file /proc/interrupts gives interrupt information.

--> cat /proc/interrupts

Accessing the web server

Open a web browser and type

Use this command to find the IP address: ifconfig

Here is the web browser display. We are connected to the web server running on our MicroBoard. Magical!

Using the web server

The web server is not there only for fun. It can be used to control and administrate the embedded system from a standard web browser. Here are some examples:

It can be used for upgrading the firmware in the system.

It can be used for displaying the system log.

The web server is built using a tool from WorkWare Systems called µWeb.

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