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

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



Content

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
Introduction

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
Introduction
Table of contents
Leon3
MicroBlaze
OpenRISC 1200
Nios II

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

FPGA Design From Scratch
Started December 2006
Introduction
Table of contents
Index
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

CAD
A hardware designer's best friend
Zoo Design Platform

Linux
Installing Cobra Command Tool
A processor benchmark

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

Bicycling
Stockholm by bike

Running
The New York City Marathon

Skiing/Skating
Kittelfjall Lappland

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

Travel
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

Books
100 Power Tips for FPGA Designers

Favorites
Adventures in ASIC
ChipHit
Computer History Museum
DeepChip
Design & Reuse
Dilbert
d9 Tech Blog
EDA Cafe
EDA DesignLine
Eli's tech Blog
Embedded.com
EmbeddedRelated.com
FPGA Arcade
FPGA Blog
FPGA Central
FPGA CPU News
FPGA developer
FPGA Journal
FPGA World
Lesley Shannon Courses
Mac 2 Ubuntu
Programmable Logic DesignLine
OpenCores
Simplehelp
SOCcentral
World of ASIC



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Saturday, September 03, 2011
FPGA design from scratch. Part 56
Adding a PLB interface to the ETC module

How can we connect the ETC block to the peripheral interface we just created? Let's find out. We will start by studying the following documents:
It can be hard to find all the available IP cores and their documentation. The easiest way is to look in the pcores directory in the Xilinx EDK installation.

Use this command to find out where the EDK installation is: echo $XILINX_EDK



We will look for the IP core plbv46_slave_single.




Here is what the directory structure looks like for an IP core. The doc directory contains the data sheet in pdf format.



The PLBV46 slave interface

The plbv46_slave_single is designed to provide a user with a quick way to implement a light weight interface between the IBM PLB Bus and a user IP core. This slave service allows for multiple user IP's to be interfaced to the PLB bus providing address decoding over various address ranges as configured by the user. Optionally the plbv46_slave_single can be optimized for a point to point connection reducing FPGA resources and improving latency.




Instantiate the ETC block


We are not going to use the user_logic block instead we instantiate the ETC block directly in the etc_if entity. We will add all the PLB to OCB conversion code in the etc_if block when we have the test bench ready. For now we leave this code open (ipif_NC).



Importing an existing peripheral block

After adding the ETC block to our peripheral block we are ready to import it to our ETC system design. From the Hardware menu in XPS select <Create or Import Peripheral>.




We update the design to etc_if_v2.00




And find all design files and libraries that make up our design.



After going through a few more steps we are ready to import the peripheral to the ETC system.


Here are all the imported design files.





We now have a complete system. To make sure everything is connected we will run a trial synthesis. From the Hardware menu select <Generate Netlist> to start the synthesis. Fix all synthesis errors before proceeding to the next step.

Writing software

Now we need some simple programs executed in the MicroBlaze processor that will write to and read from the peripheral. Time to start looking at SDK.

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