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Lego u boot6/25/2023 ![]() Now that we have the network information about the DE1-SoC and the TFTP server, let’s write a U-Boot script that will allow you to optionally boot the DE1-SoC using an RBF file found on the SD card or download the RBF file from the TFTP server. Find the IPV4 address of the host machine by scrolling near to the top of the command prompt window. Type the command ipconfig from a command prompt. In order for the DE1-SoC to download the correct RBF file from the TFTP server, we need to know the IP address of your lab PC. In ECE453, we will be using a TFTP server running on your lab PC. You can do this by running the ifconfig command and looking at the address returned in the blue box below. After logging in, determine the IPV4 address that was assigned to your DE1-SoC. After resetting the board, allow it to boot into Linuxĩ. You will need to arbitrarily pick a MAC address that is going to be unique on your network. The DE1-SoC does not have a dedicated MAC address assigned to its ethernet port. Note: If you are not in ECE453, then your board will not have a MAC address printed on it. This is a unique value, so make sure you use the value on YOUR board! You can set this environment variable using the following command (where XX is the value found on your board): Set the MAC address of your DE1-SoC to the value printed on your DE1-SoC.You can do this by pressing enter in the serial terminal. Stop the boot process before Linux begins to boot. ![]()
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