defaultenv/bin/_update

#!/bin/sh

if [ x$mode = xddr ]; then
	if [ -z "$part" -o -z "$address" -o -z "$size" ]; then
		echo "define \$part, \$address and \$size"
		exit 1
	fi
else
	if [ -z "$part" -o -z "$image" ]; then
		echo "define \$part and \$image"
		exit 1
	fi
fi

if [ ! -e "$part" ]; then
	echo "Partition $part does not exist"
	exit 1
fi

if [ x$mode = xtftp ]; then
	if [ x$ip = xdhcp ]; then
		dhcp
	fi

	ping $eth0.serverip
	if [ $? -ne 0 ] ; then
		echo "Server did not reply! Update aborted."
		exit 1
	fi

elif [ x$mode = xxmodem ]; then
	loadb -f $image -c
	if [ $? -ne 0 ] ; then
		echo "loadb failed or cancelled! Update aborted."
		exit 1
	fi
fi

unprotect $part

echo
echo "erasing partition $part"
echo
erase $part

if [ x$mode = xddr ]; then
	echo
	echo "flashing $size@$address to $part"
	echo
else
	echo
	echo "flashing $image to $part"
	echo
fi

if [ x$mode = xtftp ]; then
	tftp $image $part
	if [ $? -ne 0 ] ; then
		echo "!!!Probable use of old NAND layout.!!!"
		echo "Use 'erase_old_nand_fmt' command to clean NAND."
		exit 1
	fi
elif [ x$mode = xddr ]; then
	memcpy $address -d $part 0 $size
else
	cp $image $part
fi

protect $part