target/linux/ar71xx/base-files/lib/preinit/82_patch_ath10k

   1 #!/bin/sh
   2
   3 . /lib/functions/system.sh
   4 . /lib/ar71xx.sh
   5
   6 firmware_file="/lib/firmware/ath10k/QCA988X/hw2.0/firmware-3.bin"
   7 firmware_md5_orig="5163aa8de591f80b06c77f22e9777473"
   8 firmware_md5_current="$(md5sum $firmware_file)"
   9 firmware_md5_current="${firmware_md5_current%% *}"
  10
  11
  12 do_patch_ath10k_firmware() {
  13         # verify md5sum before patching
  14         [ "firmware_md5_orig" != "firmware_md5_current" ] || {
  15                 return
  16         }
  17
  18         # some boards have bogus mac in otp, patch the default mac in the firmware
  19         case $(ar71xx_board_name) in
  20                 dgl-5500-a1)
  21                         local mac
  22                         mac=$(mtd_get_mac_ascii nvram wlan1_mac)
  23
  24                         cp $firmware_file /tmp/ath10k-firmware.bin
  25                         macaddr_2bin $mac | dd of=/tmp/ath10k-firmware.bin \
  26                                 conv=notrunc bs=1 seek=280 count=6
  27
  28                 ;;
  29         esac
  30         [ -f /tmp/ath10k-firmware.bin ] || {
  31                 return
  32         }
  33         cp /tmp/ath10k-firmware.bin $firmware_file
  34         rm /tmp/ath10k-firmware.bin
  35 }
  36
  37 boot_hook_add preinit_main do_patch_ath10k_firmware