1#!/bin/sh
2# Based on gabors ralink wisoc implementation.
3
4rt2x00_eeprom_die() {
5	echo "rt2x00 eeprom: " "$*"
6	exit 1
7}
8
9rt2x00_eeprom_extract() {
10	local part=$1
11	local offset=$2
12	local count=$3
13	local mtd
14
15	. /lib/functions.sh
16
17	mtd=$(find_mtd_part $part)
18	[ -n "$mtd" ] || \
19		rt2x00_eeprom_die "no mtd device found for partition $part"
20
21	dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count || \
22		rt2x00_eeprom_die "failed to extract from $mtd"
23}
24
25[ -e /lib/firmware/$FIRMWARE ] && exit 0
26
27. /lib/brcm63xx.sh
28
29board=$(brcm63xx_board_name)
30
31case "$FIRMWARE" in
32"rt2x00.eeprom" )
33	case $board in
34	hg556a_c)
35		rt2x00_eeprom_extract "cal_data" 130560 512
36		;;
37	hg622 |\
38	hg655b)
39		rt2x00_eeprom_extract "cal_data" 0 512
40		;;
41	*)
42		rt2x00_eeprom_die "board $board is not supported yet"
43		;;
44	esac
45	;;
46esac
47