NetDCU-USB-Loader for upgrade all system (nboot, uboot, kernel & ubifs)

On LInux-Boards, NBoot can only be updated within NBoot itself. You can either use NetDCU-USB-Loader to download NBoot via USB, or you can use command 'd' to download NBoot via the serial line.

NBoot is already pre-installed on the board and can typically stay in the installed version. Why do you think you need to update it? Please note that you only should upgrade NBoot to a newer version, never downgrade to a version before the one that was shipped with the board. Otherwise the board may fail to boot.

You can also update U-Boot in the same way within NBoot, but U-Boot can also be written from U-Boot. In fact the main update process is typically done in U-Boot. We have added an install/update/recover mechanism to U-Boot that can be used for this. So the common way of doing an update is to put all the files, including an update-script, on a USB device, insert the device on the board an call the update command in U-Boot. Then the script is loaded an executed, which in turn installs the software. If you did not change the U-Boot configuration, this is even done automatically when you boot the board, so the software can be installed/updated without any interaction.

For detials please see see chapter 6.4 in the Linux-on-F&S-Boards document:

https://www.fs-net.de/filelice…fileid=11938&locale=en_US

Your F&S Support Team