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7.3. Bootloader Commands
The bootloader CLI provides a bunch of powerful commands to control the board, which basically can be grouped
into
Information Commands
Memory Commands
Flash Memory Commands
Execution Control Commands
Download Commands
Environment Control Commands
Flattened Device Tree Support Commands
Storage Device Control Commands
File System Support Commands
Kontron Command Extensions
Typing "help" at the bootloader command line prompt will show up a list of the commands
available. Typing "help <command>" will show specific command help. Further help can be
found under https://www.denx.de/wiki/view/DULG/UBoot
On the SMARC_sAMX8X bootloader, the powerful hush shell is enabled, which is similar to Bourne shell and
provides features similar to a linux shell:
Control structures (if ... then ... else ... fi etc.)
Command line completion
Command line editing
Command line history up to 20 entries
Local environment variables
7.4. Kontron Bootloader Command Extensions
Kontron's implementation of U-Boot includes certain enhancements to provide board specific functions. They are
not part of standard U-Boot as maintained by DENX. The following table provides a complete listing of all Kontron
command extensions on the SMARC-sAMX8X.
Table 11: Bootloader Command Extensions
Command
kboardinfo
md5sum
watchdog
www.kontron.com
Description
Kontron Board Information - Displays a summary of board and
configuration information
Creates or checks the md5 message digest over a memory area
Start and control i.MX8X CPU watchdog
SMARC-sAMX8X User Guide. Rev. 1.1
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