Tools: Add flash script

Signed-off-by: Thomas Klaehn <tkl@blackfinn.de>

tools/scripts/flash_bbb.sh

@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# Remove old partitions on emmc.
+dd if=/dev/zero of=/dev/mmcblk1 bs=512 count=1
+
+# Create new partition table.
+echo "n
+p
+1
+
++70M
+a
+t
+c
+n
+p
+
+
+
+w" | fdisk /dev/mmcblk1
+
+# Create file systems.
+mkfs.vfat -F 32 -n "boot" /dev/mmcblk1p1
+mkfs.ext4 -L "rootfs" /dev/mmcblk1p2
+
+
+# Flash boot partition.
+mount /dev/mmcblk1p1 /media
+cp MLO /media
+cp u-boot.img /media
+sync
+umount /dev/mmcblk1p1
+
+# Flash rootfs partition
+mount /dev/mmcblk1p2 /media
+tar -C /media -xf rootfs.tar.bz2
+sync
+umount /dev/mmcblk1p2
+