target/linux/apm821xx/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_ubi_eeprom_extract() {
  28         local part=$1
  29         local offset=$2
  30         local count=$3
  31         local ubidev=$(nand_find_ubi $CI_UBIPART)
  32         local ubi
  33
  34         ubi=$(nand_find_volume $ubidev $part)
  35         [ -n "$ubi" ] || \
  36                 ath9k_eeprom_die "no UBI volume found for $part"
  37
  38         dd if=/dev/$ubi of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
  39                 ath9k_eeprom_die "failed to extract from $ubi"
  40 }
  41
  42 ath9k_patch_firmware_mac() {
  43         local mac=$1
  44
  45         [ -z "$mac" ] && return
  46
  47         macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=2 count=6
  48 }
  49
  50 board=$(board_name)
  51
  52 case "$FIRMWARE" in
  53 "pci_wmac0.eeprom")
  54         case $board in
  55         wndr4700)
  56                 . /lib/upgrade/nand.sh
  57
  58                 if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
  59                         ath9k_ubi_eeprom_extract "caldata" 20480 4096
  60                 else
  61                         ath9k_eeprom_extract "wifi_data" 20480 4096
  62                         ath9k_patch_firmware_mac $(mtd_get_mac_binary wifi_data 12)
  63                 fi
  64                 ;;
  65         *)
  66                 ath9k_eeprom_die "board $board is not supported yet"
  67                 ;;
  68         esac
  69         ;;
  70
  71 "pci_wmac1.eeprom")
  72         case $board in
  73         wndr4700)
  74                 . /lib/upgrade/nand.sh
  75
  76                 if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
  77                         ath9k_ubi_eeprom_extract "caldata" 4096 4096
  78                 else
  79                         ath9k_eeprom_extract "wifi_data" 4096 4096
  80                         ath9k_patch_firmware_mac $(mtd_get_mac_binary wifi_data 0)
  81                 fi
  82                 ;;
  83         *)
  84                 ath9k_eeprom_die "board $board is not supported yet"
  85                 ;;
  86         esac
  87         ;;
  88 esac