target/linux/ath79/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom

   1 #!/bin/sh
   2
   3 [ -e /lib/firmware/$FIRMWARE ] && exit 0
   4
   5 . /lib/functions.sh
   6 . /lib/functions/system.sh
   7
   8 ath9k_eeprom_die() {
   9         echo "ath9k eeprom: " "$*"
  10         exit 1
  11 }
  12
  13 ath9k_eeprom_extract() {
  14         local part=$1
  15         local offset=$2
  16         local count=$3
  17         local mtd
  18
  19         mtd=$(find_mtd_chardev $part)
  20         [ -n "$mtd" ] || \
  21                 ath9k_eeprom_die "no mtd device found for partition $part"
  22
  23         dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
  24                 ath9k_eeprom_die "failed to extract from $mtd"
  25 }
  26
  27 ath9k_eeprom_extract_reverse() {
  28         local part=$1
  29         local offset=$2
  30         local count=$3
  31         local mtd
  32         local reversed
  33         local caldata
  34
  35         mtd=$(find_mtd_chardev "$part")
  36         reversed=$(hexdump -v -s $offset -n $count -e '/1 "%02x "' $mtd)
  37
  38         for byte in $reversed; do
  39                 caldata="\x${byte}${caldata}"
  40         done
  41
  42         printf "%b" "$caldata" > /lib/firmware/$FIRMWARE
  43 }
  44
  45 board=$(board_name)
  46
  47 case "$FIRMWARE" in
  48 "ath9k-eeprom-pci-0000:00:00.0.bin")
  49         case $board in
  50         "avm,fritz300e")
  51                 ath9k_eeprom_extract_reverse "urloader" 5441 1088
  52                 ;;
  53         "ocedo,raccoon"|\
  54         "tplink,tl-wdr3600"|\
  55         "tplink,tl-wdr4300")
  56                 ath9k_eeprom_extract "art" 20480 1088
  57                 ;;
  58         "netgear,wnr612-v2"|\
  59         "on,n150r"|\
  60         "pcs,cap324"|\
  61         "tplink,tl-mr3220-v1"|\
  62         "tplink,tl-mr3420-v1"|\
  63         "tplink,tl-wr2543-v1"|\
  64         "tplink,tl-wr740n-v2"|\
  65         "tplink,tl-wr841-v7"|\
  66         "ubnt,unifi")
  67                 ath9k_eeprom_extract "art" 4096 2048
  68                 ;;
  69         *)
  70                 ath9k_eeprom_die "board $board is not supported yet"
  71                 ;;
  72         esac
  73         ;;
  74 esac