prepmlo=fatload mmc 0 82000000 MLO;nandecc hw writemlo=run prepmlo;nand erase 0 80000;nand write 82000000 0 20000;nand write 82000000 20000 20000;nand write 82000000 40000 20000;nand write 82000000 60000 20000 prepuboot=fatload mmc 0 0x80200000 u-boot.bin;nandecc sw writeuboot=run prepuboot;nand erase 80000 160000;nand write 0x80200000 80000 160000 eraseenv=nand erase 260000 20000 uenvcmd=run eraseenv;mmc init;run writemlo;run writeuboot