...
Place the sd card on target and boot the board.
The above steps have been used to boot the boards for zcu102-zynqmp and Ultra96-zynqmp.
Reference boot log for ZCU102 can be found here.
Reference:
https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18842074/Zynq+UltraScale+MPSoC+Ubuntu+Desktop