OpenWrt – Blame information for rev 4

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4 office 1 #!/bin/sh
2 # Based on ar71xx 10-ath9k-eeprom
3  
4 [ -e /lib/firmware/$FIRMWARE ] && exit 0
5  
6 . /lib/functions.sh
7 . /lib/functions/system.sh
8 . /lib/upgrade/nand.sh
9  
10 # xor multiple hex values of the same length
11 xor() {
12 local val
13 local ret="0x$1"
14 local retlen=${#1}
15  
16 shift
17 while [ -n "$1" ]; do
18 val="0x$1"
19 ret=$((ret ^ val))
20 shift
21 done
22  
23 printf "%0${retlen}x" "$ret"
24 }
25  
26 ath9k_eeprom_die() {
27 echo "ath9k eeprom: $*"
28 exit 1
29 }
30  
31 ath9k_eeprom_extract_raw() {
32 local source=$1
33 local offset=$2
34 local swap=$3
35 local size=4096
36 local bs=1
37 local conv=
38  
39 if [ $swap -gt 0 ]; then
40 bs=2
41 conv="conv=swab"
42 size=$((size / bs))
43 offset=$((offset / bs))
44 fi
45  
46 dd if=$source of=/lib/firmware/$FIRMWARE bs=$bs skip=$offset count=$size $conv 2>/dev/null || \
47 ath9k_eeprom_die "failed to extract from $mtd"
48 }
49  
50 ath9k_eeprom_extract() {
51 local part=$1
52 local offset=$2
53 local swap=$3
54 local mtd
55  
56 mtd=$(find_mtd_chardev $part)
57 [ -n "$mtd" ] || \
58 ath9k_eeprom_die "no mtd device found for partition $part"
59  
60 ath9k_eeprom_extract_raw $mtd $offset $swap
61 }
62  
63 ath9k_ubi_eeprom_extract() {
64 local part=$1
65 local offset=$2
66 local swap=$3
67 local ubidev=$(nand_find_ubi $CI_UBIPART)
68 local ubi
69  
70 ubi=$(nand_find_volume $ubidev $part)
71 [ -n "$ubi" ] || \
72 ath9k_eeprom_die "no UBI volume found for $part"
73  
74 ath9k_eeprom_extract_raw /dev/$ubi $offset $swap
75 }
76  
77 ath9k_patch_fw_mac_crc() {
78 local mac=$1
79 local mac_offset=$2
80 local chksum_offset=$((mac_offset - 10))
81  
82 ath9k_patch_fw_mac "${mac}" "${mac_offset}" "${chksum_offset}"
83 }
84  
85 ath9k_patch_fw_mac() {
86 local mac=$1
87 local mac_offset=$2
88 local chksum_offset=$3
89 local xor_mac
90 local xor_fw_mac
91 local xor_fw_chksum
92  
93 [ -z "$mac" -o -z "$mac_offset" ] && return
94  
95 [ -n "$chksum_offset" ] && {
96 xor_mac=${mac//:/}
97 xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
98  
99 xor_fw_mac=$(hexdump -v -n 6 -s $mac_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
100 xor_fw_mac="${xor_fw_mac:0:4} ${xor_fw_mac:4:4} ${xor_fw_mac:8:4}"
101  
102 xor_fw_chksum=$(hexdump -v -n 2 -s $chksum_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
103 xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
104  
105 printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
106 dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$chksum_offset count=2
107 }
108  
109 macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$mac_offset count=6
110 }
111  
112 case "$FIRMWARE" in
113 "ath9k-eeprom-pci-0000:00:0e.0.bin" | \
114 "ath9k-eeprom-pci-0000:01:00.0.bin" | \
115 "ath9k-eeprom-pci-0000:02:00.0.bin")
116 board=$(board_name)
117  
118 case "$board" in
119 arcadyan,arv7518pw)
120 ath9k_eeprom_extract "boardconfig" 1024 1
121 ;;
122 arcadyan,arv8539pw22)
123 ath9k_eeprom_extract "art" 1024 1
124 ;;
125 bt,homehub-v2b)
126 ath9k_eeprom_extract "art" 0 1
127 ath9k_patch_fw_mac_crc "00:00:00:00:00:00" 524
128 ;;
129 bt,homehub-v3a)
130 ath9k_eeprom_extract "art-copy" 0 1
131 ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_ascii uboot_env ethaddr) +2) 268
132 ;;
133 bt,homehub-v5a)
134 ath9k_ubi_eeprom_extract "caldata" 4096 0
135 ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_binary_ubi caldata 4364) +2) 268
136 ;;
137 netgear,dgn3500|netgear,dgn3500b)
138 ath9k_eeprom_extract "calibration" 61440 0
139 ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_ascii uboot-env ethaddr) +2) 524
140 ;;
141 avm,fritz3370|avm,fritz7320|avm,fritz7360sl)
142 ath9k_eeprom_extract "urlader" 2437 0
143 ;;
144 tplink,tdw8970|tplink,tdw8980)
145 ath9k_eeprom_extract "boardconfig" 135168 0
146 ;;
147 *)
148 ath9k_eeprom_die "board $board is not supported yet"
149 ;;
150 esac
151 ;;
152 esac