#!/bin/sh

rt2x00_eeprom_die() {
	echo "rt2x00 eeprom: " "$*"
	exit 1
}

rt2x00_eeprom_extract() {
	local part=$1
	local offset=$2
	local count=$3
	local mtd

	. /etc/functions.sh

	mtd=$(find_mtd_part $part)
	[ -n "$mtd" ] || \
		rt2x00_eeprom_die "no mtd device found for partition $part"

	dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count || \
		rt2x00_eeprom_die "failed to extract from $mtd"
}

[ -e /lib/firmware/$FIRMWARE ] && exit 0

case "$FIRMWARE" in
"RT288X.eeprom" | \
"RT305X.eeprom")
	. /lib/ramips.sh

	local board=$(ramips_board_name)

	case $board in
	dir-300-b1 | \
	dir-600-b1 | \
	dir-600-b2)
		rt2x00_eeprom_extract "devdata" 16384 272
		;;

	rt-g32-b1)
		rt2x00_eeprom_extract "devconf" 0 272
		;;

	f5d8235-v2)
		rt2x00_eeprom_extract "u-boot" 262144 272
		;;

	argus-atp52b | \
	bc2 | \
	esr-9753 | \
	fonera20n | \
	hw550-3g | \
	mofi3500-3gn | \
	pwh2004 | \
	nbg-419n | \
	nw718 | \
	omni-emb | \
	rt-n15 | \
	v22rw-2x2 | \
	wcr-150gn | \
	whr-g300n | \
	wl-351 | \
	wli-tx4-ag300n | \
	wr512-3gn)
		rt2x00_eeprom_extract "factory" 0 272
		;;

	*)
		rt2x00_eeprom_die "board $board is not supported yet"
		;;
	esac
	;;
esac