* beagle board format mmc card

step1: see mmc disk
#dmesg | tail
get mmcblk0

step2: umount mmc card
#umount /medisk/disk

step3: list mmc
#sudo su -
#fdisk -l /dev/mmcblk0

step4: format mmc card
#sudo ./mmc.sh
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#! /bin/sh
MMCDEV="/dev/mmcblk0"
DISKSIZE=`fdisk -l ${MMCDEV} | awk '/[^=] [0-9]+ bytes/{print $5}'`
CYLINDERS=`echo "${DISKSIZE} 255 63 512 **/f" | dc`
/bin/echo -e "p\nn\np\n1\n\n+64M\nn\np\n2\n\n\n\na\n1\nt\n1\nc\np\nw\nq\n" | fdisk -H 255 -S 63 -C ${CYLINDERS} ${MMCDEV}
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#mkdosfs -F 32 /dev/mmcblk0p1
#mke2fs -j /dev/mmcblk0p2

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step5: insert mmc card
#mount