SMARC-sAMX7 User Guide. Rev. 1.9
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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_sAMX7 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-sAMX7.
Table 17: Bootloader Command Extensions
Command
Description
kboardinfo
Kontron Board Information - Displays a summary of board and
configuration information
md5sum
Creates or checks the md5 message digest over a memory area
watchdog
Start and control i.MX7 CPU watchdog
