The following are my personal notes for working with various board

mmc rescan 0;fatload mmc 0 82000000 MLO;nandecc hw;nand erase 0 80000;nand write 82000000 0 20000;nand write 82000000 20000 20000;nand write 82000000 40000 20000;nand write 82000000 60000 20000;fatload mmc 0 0x80200000 u-boot.bin;nandecc sw;nand erase 80000 170000;nand write 0x80200000 80000 170000;saveenv

mmc rescan 0;fatload mmc 0 82000000 MLO;nandecc hw 2;nand erase 0 80000;nand write 82000000 0 20000;nand write 82000000 20000 20000;nand write 82000000 40000 20000;nand write 82000000 60000 20000;fatload mmc 0 0x80200000 u-boot.img;nand erase 80000 170000;nand write 0x80200000 80000 170000;saveenv

mmc init;mmc device 0;nand erase 0 20000000;fatload mmc 0 81000000 MLO;nandecc hw;nand write 81000000 0 20000;fatload mmc 0 81000000 u-boot.bin;nand write 81000000 80000 170000;saveenv

mmc rescan 0;mmc dev 0;nand erase 0 280000;fatload mmc 0 81000000 MLO;nandecc hw 2;nand write 81000000 0 20000;fatload mmc 0 81000000 u-boot.img;nand write 81000000 80000 170000;nandecc sw;saveenv