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         tplink,tl-wdr4900-v2)
  57                 ath9k_eeprom_extract "art" 20480 1088
  58                 ;;
  59         netgear,wnr612-v2|\
  60         on,n150r|\
  61         pcs,cap324|\
  62         tplink,tl-mr3220-v1|\
  63         tplink,tl-mr3420-v1|\
  64         tplink,tl-wr2543-v1|\
  65         tplink,tl-wr740n-v1|\
  66         tplink,tl-wr740n-v3|\
  67         tplink,tl-wr741-v1|\
  68         tplink,tl-wr743nd-v1|\
  69         tplink,tl-wr841-v7|\
  70         ubnt,unifi)
  71                 ath9k_eeprom_extract "art" 4096 2048
  72                 ;;
  73         tplink,tl-wr841-v5|\
  74         tplink,tl-wr941-v4)
  75                 ath9k_eeprom_extract "art" 4096 3768
  76                 ;;
  77         *)
  78                 ath9k_eeprom_die "board $board is not supported yet"
  79                 ;;
  80         esac
  81         ;;
  82 esac