target/linux/ramips/base-files/etc/hotplug.d/firmware/10-rt2x00-eeprom

   1 #!/bin/sh
   2
   3 rt2x00_eeprom_die() {
   4         echo "rt2x00 eeprom: " "$*"
   5         exit 1
   6 }
   7
   8 rt2x00_eeprom_extract() {
   9         local part=$1
  10         local offset=$2
  11         local count=$3
  12         local mtd
  13
  14         mtd=$(find_mtd_part $part)
  15         [ -n "$mtd" ] || \
  16                 rt2x00_eeprom_die "no mtd device found for partition $part"
  17
  18         dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count 2>/dev/null || \
  19                 rt2x00_eeprom_die "failed to extract from $mtd"
  20 }
  21
  22 rt2x00_eeprom_set_macaddr() {
  23         local macaddr=$1
  24
  25         [ -n "$macaddr" ] || \
  26                 rt2x00_eeprom_die "invalid wlan mac address"
  27
  28         macaddr_2bin $macaddr | dd of=/lib/firmware/$FIRMWARE \
  29                                 conv=notrunc bs=1 seek=4 count=6 2>/dev/null || \
  30                 rt2x00_eeprom_die "failed to write mac address to eeprom file"
  31 }
  32
  33 FW="/lib/firmware/$FIRMWARE"
  34 [ -e "$FW" ] && exit 0
  35
  36 . /lib/functions.sh
  37 . /lib/functions/system.sh
  38
  39 board=$(board_name)
  40
  41 case "$FIRMWARE" in
  42 "soc_wmac.eeprom")
  43         case $board in
  44         tiny-ac)
  45                 wifi_mac=$(mtd_get_mac_ascii u-boot-env INIC_MAC_ADDR)
  46                 rt2x00_eeprom_extract "factory" 0 512
  47                 rt2x00_eeprom_set_macaddr $wifi_mac
  48                 ;;
  49         *)
  50                 rt2x00_eeprom_die "Please define mtd-eeprom in $board DTS file!"
  51                 ;;
  52         esac
  53         ;;
  54 esac