Skip to main content.

5.7. Initial Steps

In the default configuration U-Boot operates in an interactive mode, which provides a simple command-line oriented user interface using a serial console on port UART1.

In the simplest case this means that U-Boot shows a prompt (default: => when it is ready to receive user input. You then type a command, and press enter. U-Boot will try to run the required action(s), and then prompt for another command.

To get an idea about the available U-Boot commands you can type help (or simply ?). This will print a list of all commands that are available in your current configuration. [Please note that U-Boot provides a lot of configuration options: not all options are available for all processors and boards, and some options might be simply not selected for your configuration.]

Note: Included topic DULGData.canyonlandsUBootHelp? does not exist yet

With the command help <command> you can get additional information about most commands:

Note: Included topic DULGData.canyonlandsUBootHelpLong? does not exist yet

Most commands can be abbreviated as long as the string remains unambiguous:

Note: Included topic DULGData.canyonlandsUBootHelpAbbrev? does not exist yet

5.6. Initialization 1. Abstract 5.8. The First Power-On
Prev Home Next