cretingame / yarr-fw

Yarr-fw

This firmware is made for the XpressK7 board. This document will explain step by step how to get the firmware working and launch testing programs.

Connect the board

//Some pictures

Install Vivado

Download the source code from the git repository

Firstly, to download the files from the git repository, you need to install git. The prompt will ask your user password. $ sudo yum install git If this command works the terminal will ask you whether you want to install this package. Is this ok [y/d/N]: Type yes to confirm you want to install git.

Download the source files

You can download all the source files project. $ git clone [email protected]:Yarr/Yarr-fw.git Check whether the files were downloaded, by listing the folder. You should see a folder named "Yarr-fw".

Generate the bitfile

Move in the folder where you will generate the bitfile. $ cd Yarr-fw/syn/xpressk7/ddr3_revA/ To launch the synthesis you just need to launch make. $ make Prepare a coffee, it will last around 15 minutes to synthesize all the project.

Write the bitfile into the flash memory

Move in the folder where the script file are. $ cd Yarr-fw/script/ Launch the script for flashing the memory. At this point you can choose the bitfile by pressing the belonging number. If there is only bitfile you need to press 'y'.

$ python flash.py
Several bit files found: 
0: /home/***/Yarr-fw/syn/xpressk7/ddr3_revA/yarr.runs/impl_1/top_level.bit
1: /home/***/Yarr-fw/syn/xpressk7/bram_revA/yarr.runs/impl_1/top_level.bit

The terminal will ask you if you want to flash the flash memory or the RAM. As you want a persistent system, press F for Flash. Will you flash the RAM or the Flash [R/F] ? Then shut down the computer. After the next boot firmware is ready to use. $ systemctl poweroff

Note: A soft reboot is not enough to get the system working.