- Open the U-boot config source code
For ZYNQ, it's u-boot-xlnx/include/configs/zynq_zc70x.h
- Append
#define CONFIG_CMD_UNZIP
to the file before#endif
The full list of u-boot commands can be found at u-boot-xlnx/include/config_cmd_all.h
- Clean and recompile u-boot
make distclean
make zynq_zc70x