+ "$kernel_size; env exists secureboot " \
+ "&& cp.b $kernelheader_addr $kernelheader_addr_r " \
+ "$kernelheader_size && esbc_validate ${kernelheader_addr_r}; " \
+ "bootm $load_addr#$board\0" \
+ "nand_bootcmd=echo Trying load from NAND..;" \
+ "nand info; nand read $load_addr " \
+ "$kernel_start $kernel_size; env exists secureboot " \
+ "&& nand read $kernelheader_addr_r $kernelheader_start " \
+ "$kernelheader_size && esbc_validate ${kernelheader_addr_r}; " \
+ "bootm $load_addr#$board\0" \