TS-7250-V3 u-boot environment
From embeddedTS Manuals
The U-Boot environment is stored in the on-board eMMC flash in the /dev/mmcblk0boot0 partition.
# 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 0 off; echo Hello world; led 1 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 hellocmd