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To configure uboot to boot entirely from an SD card, do the following. From the uboot prompt, enter this:

askenv bootcmd
mmcinit;ext2load mmc 0:1 0x10400000 /boot/uImage;bootm 0x10400000
askenv bootargs
console=ttyS0 root=/dev/mmcblk0p1 rootfstype=ext3 <optional: fbmem=xxxxxx> rootdelay=1

There is a page detailed instruction about this subject for the AVRFreaks wiki: Howto: Boot from SD card

r2 - 2008-02-03 - 11:22:44 - MarkusBaertschi
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