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This feature can be used in an emergency to restore a file.
The RCE serial console must be used for this operation.
The bootloader countdown must be enabled in order to enter the bootloader shell.
Reboot the RCE and press any key to enter to enter the bootloader shell.
To list the contents of a partition:
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zynq-uboot> fatwrite mmc 0:7 0x700000 uimage.backup 0x382128
writing uimage.backup
3678504 bytes written in 770 ms (4.6 MiB/s)
zynq-uboot>
Execute reset to reboot RCE in the OS.