#!/bin/sh

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

. /lib/functions/caldata.sh

ath9k_patch_firmware_mac() {
	local mac=$1

	[ -z "$mac" ] && return

	macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=2 count=6
}

board=$(board_name)

case "$FIRMWARE" in
"pci_wmac0.eeprom")
	case $board in
	netgear,wndr4700)
		. /lib/upgrade/nand.sh

		if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
			caldata_extract_ubi "caldata" 0x5000 0x1000
		else
			caldata_extract "wifi_data" 0x5000 0x1000
			ath9k_patch_firmware_mac $(mtd_get_mac_binary wifi_data 0xc)
		fi
		;;
	*)
		caldata_die "board $board is not supported yet"
		;;
	esac
	;;

"pci_wmac1.eeprom")
	case $board in
	netgear,wndr4700)
		. /lib/upgrade/nand.sh

		if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
			caldata_extract_ubi "caldata" 0x1000 0x1000
		else
			caldata_extract "wifi_data" 0x1000 0x1000
			ath9k_patch_firmware_mac $(mtd_get_mac_binary wifi_data 0x0)
		fi
		;;
	*)
		caldata_die "board $board is not supported yet"
		;;
	esac
	;;
esac