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Section 6:
This section covers the Simulation of the SoC design using Xilinx
Vivado.
Xilinx Vivado
is available free of charge to download from Xilinx Web Site
All the RTL for this
tutorial can be downloaded here. (you will have to provide your
e-mail ID)
Xilinx Vivado Tutorial: Build your own System on Chip Design.
Firstly, the user will create a new project in Vivado
The user will then add all the RTL files to the project
The user will then run a basic synthesis
The user will then run Elaboration
The user will then write a small testbench and add the same to the project
The user will then run Simulation
Step 1. Creating a Project:
After downloading And installing Xilinx Vivado, Click on the Vivado
icon to launch Vivado
Following Window will open:
A new Project will now be created: Click on Quick Start -> Create
Project >
Following Window will show up
Click on Next >
Following window will show-up asking for the user to fill in
'Project Name' and 'Project Location'
You can choose any name of the project, here the project name is
chosen to be 'soc_cm3'
Choose a working directory, here it is 'C:/Users/<windows user
name>/downloads/asic_design/xilinx'
Click on Next >
Following window will shop up, asking for the user to put in 'Project
Type'
Select 'RTL Project' from the list as shown below:
Click on Next >
'Add Sources' Window will show up asking the user to add project
files as shown below:
Click on 'Add Files' , 'Add source Files' window will show up as
shown below:
Browse to the directory where your source files are:
Your Bus Matrix files should be here:
asic_design/xilinx/cortexm3_soc/cm3_matrix/rtl
Browse to this directory, and select all files as shown below and
click on OK.
Similarly add the following files, by clicking on 'Add Files' again
and repeating the process:
Ignore the 'work' directory as seen above, you may not even see it.
All files have now been added. Click on Next >
Add Constraints Window will Show up, Ignore it for the moment and
click on Next >
'Default Part' Selection Window will show up, select the following:
Family -> Artix-7
Speed -> -1
Rest keep as they are:
Then select the part called xc7a100tcsg324-1
All this is shown below:
Click on Next >
'New Project Summary Window will show up' as shown, click on
'Finish'
A few moments later the project creation step will conclude and the
user will be able to see their project listed in Vivado's 'PROJECT
MANAGER' pane as shown below:
Step 2 : Run Synthesis:
Now Click on 'Run Synthesis'
Launch Runs window will show-up, Click on OK
Synthesis will take time (5-10 mins): The user will see a small
green activity circle rotating 'Running synth_design', telling that
the synthesis is going on, as shown below:
Synthesis Completed Window will then show up, asking 'Next' actions
'Run Implementation', 'Open Synthesized Design', 'View Reports'.
Ignore it, click 'Cancel'
There can be 100s of warnings, ignore them as well.