"bootfile=/tftpboot/luan/uImage\0" \
"kernel_addr=fc000000\0" \
"ramdisk_addr=fc100000\0" \
+ "initrd_high=30000000\0" \
"load=tftp 100000 /tftpboot/luan/u-boot.bin\0" \
"update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;" \
"cp.b 100000 fffc0000 40000;" \