target/linux/lantiq/base-files/etc/hotplug.d/firmware/12-ath9k-eeprom

   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 ath9k_eeprom_die() {
  11         echo "ath9k eeprom: $*"
  12         exit 1
  13 }
  14
  15 ath9k_eeprom_extract_raw() {
  16         local source=$1
  17         local offset=$(($2))
  18         local swap=$3
  19         local size=4096
  20         local bs=1
  21         local conv=
  22
  23         if [ $swap -gt 0 ]; then
  24                 bs=2
  25                 conv="conv=swab"
  26                 size=$((size / bs))
  27                 offset=$((offset / bs))
  28         fi
  29
  30         dd if=$source of=/lib/firmware/$FIRMWARE bs=$bs skip=$offset count=$size $conv 2>/dev/null || \
  31                         ath9k_eeprom_die "failed to extract from $mtd"
  32 }
  33
  34 ath9k_eeprom_extract_reverse() {
  35         local part=$1
  36         local offset=$2
  37         local count=$(($3))
  38         local mtd
  39         local reversed
  40         local caldata
  41
  42         mtd=$(find_mtd_chardev "$part")
  43         reversed=$(hexdump -v -s $offset -n $count -e '/1 "%02x "' $mtd)
  44
  45         for byte in $reversed; do
  46                 caldata="\x${byte}${caldata}"
  47         done
  48
  49         printf "%b" "$caldata" > /lib/firmware/$FIRMWARE
  50 }
  51
  52 ath9k_eeprom_extract() {
  53         local part=$1
  54         local offset=$2
  55         local swap=$3
  56         local mtd
  57
  58         mtd=$(find_mtd_chardev $part)
  59         [ -n "$mtd" ] || \
  60                 ath9k_eeprom_die "no mtd device found for partition $part"
  61
  62         ath9k_eeprom_extract_raw $mtd $offset $swap
  63 }
  64
  65 ath9k_ubi_eeprom_extract() {
  66         local part=$1
  67         local offset=$2
  68         local swap=$3
  69         local ubidev=$(nand_find_ubi $CI_UBIPART)
  70         local ubi
  71
  72         ubi=$(nand_find_volume $ubidev $part)
  73         [ -n "$ubi" ] || \
  74                 ath9k_eeprom_die "no UBI volume found for $part"
  75
  76         ath9k_eeprom_extract_raw /dev/$ubi $offset $swap
  77 }
  78
  79 ath9k_patch_fw_mac_crc() {
  80         local mac=$1
  81         local mac_offset=$2
  82         local chksum_offset=$((mac_offset - 10))
  83
  84         ath9k_patch_fw_mac "${mac}" "${mac_offset}" "${chksum_offset}"
  85 }
  86
  87 ath9k_patch_fw_mac() {
  88         local mac=$1
  89         local mac_offset=$(($2))
  90         local chksum_offset=$3
  91         local xor_mac
  92         local xor_fw_mac
  93         local xor_fw_chksum
  94
  95         [ -z "$mac" -o -z "$mac_offset" ] && return
  96
  97         [ -n "$chksum_offset" ] && {
  98                 xor_mac=${mac//:/}
  99                 xor_mac="${xor_mac:0:4} ${xor_mac:4:4} ${xor_mac:8:4}"
 100
 101                 xor_fw_mac=$(hexdump -v -n 6 -s $mac_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
 102                 xor_fw_mac="${xor_fw_mac:0:4} ${xor_fw_mac:4:4} ${xor_fw_mac:8:4}"
 103
 104                 xor_fw_chksum=$(hexdump -v -n 2 -s $chksum_offset -e '/1 "%02x"' /lib/firmware/$FIRMWARE)
 105                 xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
 106
 107                 printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
 108                         dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$(($chksum_offset)) count=2
 109         }
 110
 111         macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$mac_offset count=6
 112 }
 113
 114 case "$FIRMWARE" in
 115         "ath9k-eeprom-pci-0000:00:0e.0.bin" | \
 116         "ath9k-eeprom-pci-0000:01:00.0.bin" | \
 117         "ath9k-eeprom-pci-0000:02:00.0.bin")
 118                 board=$(board_name)
 119
 120                 case "$board" in
 121                         arcadyan,arv7518pw)
 122                                 ath9k_eeprom_extract "boardconfig" 0x400 1
 123                                 ;;
 124                         arcadyan,arv8539pw22)
 125                                 ath9k_eeprom_extract "art" 0x400 1
 126                                 ;;
 127                         bt,homehub-v2b)
 128                                 ath9k_eeprom_extract "art" 0x0 1
 129                                 ath9k_patch_fw_mac_crc "00:00:00:00:00:00" 0x20c
 130                                 ;;
 131                         bt,homehub-v3a)
 132                                 ath9k_eeprom_extract "art-copy" 0x0 1
 133                                 ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_ascii uboot_env ethaddr) +2) 0x10c
 134                                 ;;
 135                         bt,homehub-v5a)
 136                                 ath9k_ubi_eeprom_extract "caldata" 0x1000 0
 137                                 ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_binary_ubi caldata 0x110c) +2) 0x10c
 138                                 ;;
 139                         netgear,dgn3500|netgear,dgn3500b)
 140                                 ath9k_eeprom_extract "calibration" 0xf000 0
 141                                 ath9k_patch_fw_mac_crc $(macaddr_add $(mtd_get_mac_ascii uboot-env ethaddr) +2) 0x20c
 142                                 ;;
 143                         avm,fritz3370-rev2-hynix|\
 144                         avm,fritz3370-rev2-micron|\
 145                         avm,fritz7362sl)
 146                                 ath9k_eeprom_extract_reverse "urlader" 0x1541 0x440
 147                                 ;;
 148                         avm,fritz7312|avm,fritz7320|avm,fritz7360sl)
 149                                 ath9k_eeprom_extract "urlader" 0x985 0
 150                                 ;;
 151                         avm,fritz7412)
 152                                 /usr/bin/fritz_cal_extract -i 1 -s 0x1e000 -e 0x207 -l 4096 -o /lib/firmware/$FIRMWARE $(find_mtd_chardev "urlader")
 153                                 ;;
 154                         tplink,tdw8970|tplink,tdw8980)
 155                                 ath9k_eeprom_extract "boardconfig" 0x21000 0
 156                                 ;;
 157                         *)
 158                                 ath9k_eeprom_die "board $board is not supported yet"
 159                                 ;;
 160                 esac
 161                 ;;
 162 esac