target/linux/brcm63xx/base-files/etc/hotplug.d/firmware/10-rt2x00-eeprom

   1 #!/bin/sh
   2 # Based on gabors ralink wisoc implementation.
   3
   4 rt2x00_eeprom_die() {
   5         echo "rt2x00 eeprom: " "$*"
   6         exit 1
   7 }
   8
   9 rt2x00_eeprom_extract() {
  10         local part=$1
  11         local offset=$2
  12         local count=$3
  13         local mtd
  14
  15         mtd=$(find_mtd_part $part)
  16         [ -n "$mtd" ] || \
  17                 rt2x00_eeprom_die "no mtd device found for partition $part"
  18
  19         dd if=$mtd of=/lib/firmware/$FIRMWARE bs=1 skip=$offset count=$count || \
  20                 rt2x00_eeprom_die "failed to extract from $mtd"
  21 }
  22
  23 [ -e /lib/firmware/$FIRMWARE ] && exit 0
  24
  25 . /lib/functions.sh
  26
  27 board=$(board_name)
  28
  29 case "$FIRMWARE" in
  30 "rt2x00.eeprom" )
  31         case $board in
  32         hg556a_c)
  33                 rt2x00_eeprom_extract "cal_data" 130560 512
  34                 ;;
  35         hg622 |\
  36         hg655b)
  37                 rt2x00_eeprom_extract "cal_data" 0 512
  38                 ;;
  39         *)
  40                 rt2x00_eeprom_die "board $board is not supported yet"
  41                 ;;
  42         esac
  43         ;;
  44 esac