Michael,
Here the steps follows –
mmcinit 0
fatload mmc 0 80008000 u-boot.bin
nand ecc hw
nand erase 80000 40000
nand write.i 80008000 80000 40000
fatload mmc 0 80008000 MLO
nand ecc hw
nand erase 0 40000
nand write.i 80008000 0 40000
You can get the same info in following link, but avoid the dip switch settings. http://omappedia.org/wiki/3630SDP_Flashing#MMC_Boot_Switch_settings
Regards,
Ghorai
Michel,
read/write.i => skip the bad block.