Note that Kirkwood based devices do not consult the SD card for uboot
information, so the following commands must be entered and/or stored in
the uboot environment to load this image:

For USB storage:

fatload usb 0 0x6400000 uImage-kirkwood
fatload usb 0 0x7400000 uInitrd-kirkwood
bootm 0x6400000 0x7400000

For SD storage:

fatload mmc 0 0x6400000 uImage-kirkwood
fatload mmc 0 0x7400000 uInitrd-kirkwood
bootm 0x6400000 0x7400000

