Building the FPGA Image with Quartus Pro 21.3¶

1. Prerequisites 2. Building the FPGA Image 3. Building the Bootloader 4. Building the Filesystem 5. Building the SD Card

Table of contents
Building the FPGA Image with Quartus Pro 21.3

Introduction¶

The reference project to the MitySOM-A10S Development Kit utilizes GNU make for building the FPGA from the command line. Please note that the project can be built using the normal flow of Quartus/Platform Designer if that is desired.

These instructions have been tested with Quartus Pro 21.3
Tested host machine: Windows 10 Host running WSL2 and Ubuntu 18.04 LTS

Note: These instructions should also work with a standard/native linux machine running Ubuntu 18.04 LTS.

Information on installing Windows Subsystem for Linux 2

Repository¶

Description	Repository	Branch
Quartus Reference Project	git://git.criticallink.com/home/git/mitysom-a10s.git	21.3pro-stable

Reference Projects¶

Path	Description
mitysom-a10s-devkit-goldenref	MitySOM-A10S Golden Reference Design

Development Kit Pre-built Outputs¶

Description	Link
270 KLE FPGA Images	a10s-p8-fpga-20230714.zip
480 KLE FPGA Images	a10s-p9-fpga-20230714.zip

Quick steps to Build (Windows + WSL2)¶

From the Windows Start Menu, select Intel FPGA Quartus Pro 21.3 -> NIOS II Command Shell. This will start a WSL2 linux prompt with the path set to include the quartus tools.
Change to the directory to start the project.
```
cd /mnt/d/projects
```

Fetch the reference project from the Critical Link Support Site:

git clone -b 21.3pro-stable git://support.criticallink.com/home/git/mitysom-a10s.git

Change into the directory where project was cloned into (Example: /home/user/mitysom-a10s)
```
cd mitysom-a10s/mitysom-a10s-devkit-goldenref
```
Run the following command that will do the following:
1. Generate the qsys
2. Compile the FPGA
3. Convert the SOF to an RBF
```
make rbf
```

Quick steps to Build (Native Linux)¶

Open a terminal
Enter the following command that will allow you to use the quartus tools from the command line:
```
/opt/intelFPGA_pro/21.3/nios2eds/nios2_command_shell.sh
```
Change into the directory where project was cloned into (Example: /home/user/mitysom-a10s)
```
cd /home/user/mitysom-a10s/mitysom-a10s-devkit-goldenref
```
Run the following command that will do the following:
1. Generate the qsys
2. Compile the FPGA
3. Convert the SOF to an RBF
```
make rbf
```

Updating Reference Project to Build for the 480 KLE¶

The reference project can either build for the 270 KLE SOM or the 480 KLE SOM. To do this the QUARTUS_DEVICE variable in the Makefile will need to match the SOM to build for. After changing the QUARTUS_DEVICE the Quartus project files will need to be recreated from the TCL scripts that are in the project directory.

Warning: Changing the device with the Makefile will lose any changes done to the reference project!

Support SOMs:

SOM Model Number	FPGA Device
A10S-P8-A5E-RI-SB	10AS027E3F29I2SG
A10S-P8-X5E-RC-SA	10AS027E3F29I2SG
A10S-P8-X5E-RI-SA	10AS027E3F29I2SG
A10S-P9-A5E-RI-SB	10AS048E3F29I2SG
A10S-P9-A5E-RC-SB	10AS048E3F29I2SG
A10S-P9-X5E-RC-SA	10AS048E3F29I2SG
A10S-P9-X5E-RI-SA	10AS048E3F29I2SG

To change to the build for the 480 KLE SOM:

Open a terminal as described in the "Quick Steps to Build" Section
Open the Makefile in a text editor
```
gedit Makefile
```

Comment out QUARTUS_DEVICE := 10AS027E3F29I2SG and uncomment QUARTUS_DEVICE := 10AS048E3F29I2SG

- QUARTUS_DEVICE := 10AS027E3F29I2SG
+ #QUARTUS_DEVICE := 10AS027E3F29I2SG
- #QUARTUS_DEVICE := 10AS048E3F29I2SG
+ QUARTUS_DEVICE := 10AS048E3F29I2SG

Save and close the text editor
Back in the terminal regenerate the project files: Warning: All changes will be lost in the Quartus Project/QSYS
```
make generate_from_tcl
```
Build the project like normal:
```
make rbf
```

Updating the Pinout¶

The pin constraints for the project are generated from the edge_connector_pinout.xlsm(Excel) or edge_connector_pinout.ods(LibreOffice) spreadsheet. This spreadsheet has macros built in that will generate tcl pin constraint files that the qsf includes.

There are 6 sheets inside the spreadsheet document: SOM J4, SOM J600, Gen 1 Dev Kit FMC, Gen 2 Dev Kit FMC, SOM Only, and IO Standards. The idea is that the user will fill in the Baseboard Net and IO Standard for pins that are used on their baseboard. Once that is filled in, click the Generate Pinout button on each page. This will create the tcl script with the appropriate pin location selected.

Sheet	Description
SOM J4	Large Samtec board to board connector on the SOM
SOM J600	Transceiver board to board connector on the SOM
Gen 1 Dev Kit FMC	1st Generation Dev kit FMC pinout, for FMC pinout use this sheet instead of J (80-0001201)
Gen 2 Dev Kit FMC	2nd Generation Dev kit FMC pinout, for FMC pinout use this sheet instead of J (80-0001218)
SOM Only	Connections that don't leave the SOM (ie DDR)
IO Standards	List of IO Standards that can be used

Opening Platform Designer and Quartus¶

The Makefile can also be used open Quartus or Platform designer.

Opening Quartus:

Open a terminal as described in the "Quick Steps to Build" Section
Open the current project with Quartus with the Makefile
```
 make quartus_edit
```

Opening Platform Designer:

Open a terminal as described in the "Quick Steps to Build" Section
Open the current project's top level qsys with Platform Designer with the Makefile
```
 make qsys_edit
```

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