#!/bin/sh

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

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

	. /lib/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 2>/dev/null || \
		rt2x00_eeprom_die "failed to extract from $mtd"
}

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

. /lib/ramips.sh

board=$(ramips_board_name)

case "$FIRMWARE" in
"soc_wmac.eeprom")
	case $board in
	*)
		rt2x00_eeprom_die "Please define mtd-eeprom in $board DTS file!"
		;;
	esac
	;;

"rt2x00pci_1_0.eeprom")
	case $board in
	cy-swr1100)
		rt2x00_eeprom_extract "factory" 8192 512
		;;
	rt-n56u | whr-600d | whr-1166d)
		rt2x00_eeprom_extract "factory" 32768 512
		;;
	esac
	;;
esac
