Dear Giuseppe,
in message 4961D3D6.22933.3E9CEE@g.modugno.elettronika.it you wrote:
I think the best solution is to use Linux on the source board to copy the good U-Boot environment in a image file. On the destination board, I can download (by tftp) the image and store it on the Flash at the correct address. In this way, I'll use only U-Boot on the destination board to retrieve the good environment. From that, I can install kernel and root filesystem.
No, that is not a good idea, as this way you would also copy board-specific settings lime serial number, MAC address etc.
You could (and probaly should) put the constant part of your definitions into the default environment, and use a script image for the rest.
Just now I'm reading about the scripting capabilities of U-Boot. It's interesting. Starting from which U-Boot version they are available?
They have been present forever in U-Boot. They were added in pretty early stages of the PPCBoot project, many, many years ago.
Just another question. I have two redundant U-Boot environments. Should I copy both of them in two different images, or are they the same and I can copy the first into the second?
These are the same except for the valid flag (one byte at offset 4).
Best regards,
Wolfgang Denk