kintex-7 - uclaicslwebs.ee.ucla.edu/.../images/1/1d/kintex7_tutorial_microblaze.pdf · kintex-7:...

Kintex-7:

Using MATLAB and Simulink with a Microblaze Processor for Chip Testing and

Prototyping

Version 1.0

May 29, 2014

Kintex-7: Microblaze and MATLAB Tutorial

2

Revision History

Version Date Author Comments

Version

No

Date

Completed

Author(s) Comments on Versions

1.0 5/29/2013 Richard Document created.


3

Table of Contents

Revision History ........................................................................................................................................... 2

Table of Contents .......................................................................................................................................... 3

1 Starting Simulink with Sysgen ............................................................................................................. 4

2 Creating a Simulink Model for Co-simulation ................................................................................... 8

3 Accessing Shared Memories from MATLAB ........................................ Error! Bookmark not defined.

4 Other Resources ...................................................................................................................................17


4

1 Starting

You will need to copy the cable driver plugin to your home directory before you can

program and communicate with the Kintex-7 eval board (KC705):

cp -r /home/rdorrance/.cse/ .

As well the Xilinx license file to use the toolset:

cp -r /home/rdorrance/.Xilinx/Xilinx.lic .Xilinx/

To run Xilinx Platform Studio and System Generator for ISE 14.3 with Simulink in

MATLAB R2011a, you first need to source the Xilinx toolset:

source /opt/Xilinx/14.3/ISE_DS/settings64.sh


5

2 Creating a MicroBlaze Processor Using the Base System Builder

To launch Xilinx Platform Studio type:

xps &

On the “Getting Started” Menu select: Create New Project Using Base System Builder

When the window pops up save the xps project file (system.xmp) to a new folder

called microblaze, and click OK.


6

Select: Create a System for the Following Development Board

Choose the: Xilinx Kintex-7 KC705 Evaluation Platform (Rev. C)

Use a: Single MicroBlaze Processor System

Optimized for: Throughput

Click Next.


7

Check: Enable Floating Point Unit

Change Local Memory Size to: 128KB

Change Instruction Cache Size to: 64KB

Change Data Cache Size to: 64KB

Click Finish.

*NOTE: You can add an modify MicroBlaze peripherals in this menu. For example, you

can change the UART Baud Rate and number of data bits.


8

3 Creating a Microblaze PCORE in Simulink

To launch System Generator type:

sysgen &

This will launch MATLAB and run the necessary startup files. Once finished you should

see:

Installed System Generator dynamically.

Using ISE enable System Generator.

To launch Simulink from MATLAB:

simulink

First create a new Simulink model file (.mdl): File → New → Model (Ctrl + N)

Save the file to a folder called tutorial and name it tut2.mdl.


9

Next add the System Generator block to the model file from the library browser:

Xilinx Blockset → Basic Elements → System Generator

Next double click the system generator block to open up the configuration menu. In the

Compilation menu select: Compilation → EDK Export Tool

In the Part menu select: Kintex7 → xc7k325t → -2 → ffg900


10

Click the Setting… button and select: Export PCore to: EDK project

And specify the path to the system.xmp file we created earlier.

*Note: Selecting enable custom bus interface should allow us to connect other resources

(like the FMC connectors).


11

Now create the following model using Xilinx blocks.

List of blocks used:

EDK Processor: A MicroBlaze processor.

Shared Memory: A shared BRAM whose memory space is accessible by the host

computer. You can specify the data type, memory size, latency, and read/write

functionality of block.

From Register: This is a shared “software addressable” register that is accessible

by the host computer. Use this to specify data from the host computer to the FPGA.

Register: This is a “hardware” register on the FPGA. You cannot directly access it,

but Simulink needs some physical hardware to clocking timing information.

Constant: There are both Xilinx and MATLAB Simulink version of this block. This

is used to specify a numerical constant.

Convert: This block is used to change the bit width or data type in hardware. In this

case, to reinterpret a 1 bit number as a boolean value.


12

Terminator: Connect this block to unused output ports to prevent

simulation/compilation errors.

Double click the EDK Processor and make sure EDK PCore generation is selected.

You will also need to generate the memory map by adding all of the Available Memories.

Click OK. Save and click the generate button in the System Generator block. This

will generate the PCore in our XPS project.


13

4 Adding the PCore to Xilinx Platform Studio

Go to Project → Rescan User Repositories to refresh the PCore reposity.

The tut2_axiw PCore should now show up under your local PCores menu. Double

click it to add it to the design.

Click OK and assign it to microblaze_0.

Under the Ports menu, select sysgen_clk and connect it to clock_generator_0

CLKOUT3.


14

Next click Generate Netlist.

You should get some errors:

Open /microblaze/pcores/tut2_axiw_v1_00_a/hdl/Verilog/tut2_axiw.

v

And fix the syntax errors (an extra square bracket ‘]’ before the end of each line) listed

on Lines 44, 45, 47, 48, 50, 51, 53, and 54. Additionally, rename the

plbaddrpref module on line 37 to be axiadderpref.

Save the Verilog file and re-run Generate Netlist.

You should be successful this time.


15

Next click Export Design to generate a bitstream and launch the SDK.


16

Once finished the Xilinx SDK will launch:

Click OK.


17

Here are a few tutorials about getting started with the SDK:

1. http://www.fpgadeveloper.com/2011/06/write-a-software-application-with-sdk.html

2. http://www.fpgadeveloper.com/2014/02/create-an-application-using-the-sdk.html

3. http://ece.wpi.edu/~rjduck/Microblaze%20MCS%20Tutorial%20v2.pdf

4. http://www.ece.iit.edu/~/ecasp/tutorials/microblaze_tutorial.pdf

5 Other Resources

Kintex-7 FPGA Embedded Kit on the Wiki

http://www.fpgadeveloper.com/2011/06/write-a-software-application-with-sdk.html

http://www.fpgadeveloper.com/2014/02/create-an-application-using-the-sdk.html

http://ece.wpi.edu/~rjduck/Microblaze%20MCS%20Tutorial%20v2.pdf

http://www.ece.iit.edu/~/ecasp/tutorials/microblaze_tutorial.pdf

http://icslwebs.ee.ucla.edu/dejan/researchwiki/index.php/Kintex_7_FPGA_Embedded_Kit

kintex-7 - uclaicslwebs.ee.ucla.edu/.../images/1/1d/kintex7_tutorial_microblaze.pdf · kintex-7:...

Documents