TS-7180 U-boot Sections: Difference between revisions
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== U-Boot Environment == | == U-Boot Environment == | ||
The U-Boot environment on the TS-7180 is stored in the on-board eMMC flash. | |||
<source lang=bash> | |||
# Print all environment variables | |||
env print -a | |||
# Sets the variable bootdelay to 5 seconds | |||
env set bootdelay 5; | |||
# Variables can also contain commands | |||
env set hellocmd 'led red on; echo Hello world; led green on;' | |||
# Execute commands saved in a variable | |||
env run hellocmd; | |||
# Commit env changes to the spi flash | |||
# Otherwise changes are lost | |||
env save | |||
# Restore env to default | |||
env default -a | |||
# Remove a variable | |||
env delete emmcboot | |||
</source> |
Revision as of 12:26, 28 February 2017
U-Boot Environment
The U-Boot environment on the TS-7180 is stored in the on-board eMMC flash.
# Print all environment variables
env print -a
# Sets the variable bootdelay to 5 seconds
env set bootdelay 5;
# Variables can also contain commands
env set hellocmd 'led red on; echo Hello world; led green on;'
# Execute commands saved in a variable
env run hellocmd;
# Commit env changes to the spi flash
# Otherwise changes are lost
env save
# Restore env to default
env default -a
# Remove a variable
env delete emmcboot