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