target/linux/apm821xx/base-files/etc/hotplug.d/firmware/10-ath9k-eeprom

   1 #!/bin/sh
   2
   3 [ -e /lib/firmware/$FIRMWARE ] && exit 0
   4
   5 . /lib/apm821xx.sh
   6 . /lib/functions.sh
   7 . /lib/functions/system.sh
   8
   9 ath9k_eeprom_die() {
  10         echo "ath9k eeprom: " "$*"
  11         exit 1
  12 }
  13
  14 ath9k_eeprom_extract() {
  15         local part=$1
  16         local offset=$2
  17         local count=$3
  18         local mtd
  19
  20         mtd=$(find_mtd_chardev $part)
  21         [ -n "$mtd" ] || \
  22                 ath9k_eeprom_die "no mtd device found for partition $part"
  23
  24         dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
  25                 ath9k_eeprom_die "failed to extract from $mtd"
  26 }
  27
  28 ath9k_ubi_eeprom_extract() {
  29         local part=$1
  30         local offset=$2
  31         local count=$3
  32         local ubidev=$(nand_find_ubi $CI_UBIPART)
  33         local ubi
  34
  35         ubi=$(nand_find_volume $ubidev $part)
  36         [ -n "$ubi" ] || \
  37                 ath9k_eeprom_die "no UBI volume found for $part"
  38
  39         dd if=/dev/$ubi of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
  40                 ath9k_eeprom_die "failed to extract from $ubi"
  41 }
  42
  43 ath9k_patch_firmware_mac() {
  44         local mac=$1
  45
  46         [ -z "$mac" ] && return
  47
  48         macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=2 count=6
  49 }
  50
  51 board=$(apm821xx_board_name)
  52
  53 case "$FIRMWARE" in
  54 "pci_wmac0.eeprom")
  55         case $board in
  56         wndr4700)
  57                 . /lib/upgrade/nand.sh
  58
  59                 if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
  60                         ath9k_ubi_eeprom_extract "caldata" 20480 4096
  61                 else
  62                         ath9k_eeprom_extract "wifi_data" 20480 4096
  63                         ath9k_patch_firmware_mac $(mtd_get_mac_binary wifi_data 12)
  64                 fi
  65                 ;;
  66         *)
  67                 ath9k_eeprom_die "board $board is not supported yet"
  68                 ;;
  69         esac
  70         ;;
  71
  72 "pci_wmac1.eeprom")
  73         case $board in
  74         wndr4700)
  75                 . /lib/upgrade/nand.sh
  76
  77                 if [ -n "$(nand_find_volume ubi0 caldata)" ]; then
  78                         ath9k_ubi_eeprom_extract "caldata" 4096 4096
  79                 else
  80                         ath9k_eeprom_extract "wifi_data" 4096 4096
  81                         ath9k_patch_firmware_mac $(mtd_get_mac_binary wifi_data 0)
  82                 fi
  83                 ;;
  84         *)
  85                 ath9k_eeprom_die "board $board is not supported yet"
  86                 ;;
  87         esac
  88         ;;
  89 esac