1#!/bin/sh
2
3[ -e /lib/firmware/$FIRMWARE ] && exit 0
4
5. /lib/ar71xx.sh
6. /lib/functions.sh
7. /lib/functions/system.sh
8
9ath9k_eeprom_die() {
10	echo "ath9k eeprom: " "$*"
11	exit 1
12}
13
14ath9k_eeprom_extract() {
15	local part=$1
16	local offset=$2
17	local count=$3
18	local mtd
19
20	mtd=$(find_mtd_chardev $part)
21	[ -n "$mtd" ] || \
22		ath9k_eeprom_die "no mtd device found for partition $part"
23
24	dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
25		ath9k_eeprom_die "failed to extract from $mtd"
26}
27
28ath9k_ubi_eeprom_extract() {
29	local part=$1
30	local offset=$2
31	local count=$3
32	local ubidev=$(nand_find_ubi $CI_UBIPART)
33	local ubi
34
35	ubi=$(nand_find_volume $ubidev $part)
36	[ -n "$ubi" ] || \
37		ath9k_eeprom_die "no UBI volume found for $part"
38
39	dd if=/dev/$ubi of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
40		ath9k_eeprom_die "failed to extract from $ubi"
41}
42
43ath9k_patch_firmware_mac() {
44	local mac=$1
45
46	[ -z "$mac" ] && return
47
48	macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=2 count=6
49}
50
51board=$(ar71xx_board_name)
52
53case "$FIRMWARE" in
54"soc_wmac.eeprom")
55	case $board in
56	c-55)
57		ath9k_eeprom_extract "art" 4096 2048
58		ath9k_patch_firmware_mac $(macaddr_add $(mtd_get_mac_binary art 0) +1)
59		;;
60	mr18)
61		. /lib/upgrade/nand.sh
62
63		if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
64			ath9k_ubi_eeprom_extract "caldata" 4096 2048
65		else
66			ath9k_eeprom_extract "odm-caldata" 4096 2048
67		fi
68		ath9k_patch_firmware_mac $(macaddr_add $(mtd_get_mac_binary_ubi board-config 102) +1)
69		;;
70	r6100 | \
71	wndr3700v4 | \
72	wndr4300)
73		ath9k_eeprom_extract "caldata" 4096 2048
74		ath9k_patch_firmware_mac $(mtd_get_mac_binary caldata 0)
75		;;
76	*)
77		ath9k_eeprom_die "board $board is not supported yet"
78		;;
79	esac
80	;;
81
82"pci_wmac0.eeprom")
83	case $board in
84	c-55)
85		ath9k_eeprom_extract "art" 20480 2048
86		ath9k_patch_firmware_mac $(macaddr_add $(mtd_get_mac_binary art 0) +2)
87		;;
88	mr18)
89		. /lib/upgrade/nand.sh
90
91		if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
92			ath9k_ubi_eeprom_extract "caldata" 20480 2048
93		else
94			ath9k_eeprom_extract "odm-caldata" 20480 2048
95		fi
96		ath9k_patch_firmware_mac $(macaddr_add $(mtd_get_mac_binary_ubi board-config 102) +2)
97		;;
98	wndr3700v4 | \
99	wndr4300)
100		ath9k_eeprom_extract "caldata" 20480 2048
101		ath9k_patch_firmware_mac $(mtd_get_mac_binary caldata 12)
102		;;
103	*)
104		ath9k_eeprom_die "board $board is not supported yet"
105		;;
106	esac
107	;;
108
109"pci_wmac1.eeprom")
110	case $board in
111	mr18)
112		. /lib/upgrade/nand.sh
113
114		if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
115			ath9k_ubi_eeprom_extract "caldata" 36864 2048
116		else
117			ath9k_eeprom_extract "odm-caldata" 36864 2048
118		fi
119		ath9k_patch_firmware_mac $(macaddr_add $(mtd_get_mac_binary_ubi board-config 102) +3)
120		;;
121	*)
122		ath9k_eeprom_die "board $board is not supported yet"
123		;;
124	esac
125	;;
126esac
127