target/linux/brcm47xx/base-files/lib/upgrade/platform.sh

   1 PART_NAME=firmware
   2
   3 brcm47xx_identify() {
   4         local magic
   5
   6         magic=$(get_magic_long "$1")
   7         case "$magic" in
   8                 "48445230")
   9                         echo "trx"
  10                         return
  11                         ;;
  12                 "2a23245e")
  13                         echo "chk"
  14                         return
  15                         ;;
  16         esac
  17
  18         echo "unknown"
  19 }
  20
  21 platform_check_image() {
  22         [ "$#" -gt 1 ] && return 1
  23
  24         local file_type=$(brcm47xx_identify "$1")
  25
  26         case "$file_type" in
  27                 "trx") return 0;;
  28                 *)
  29                         echo "Invalid image type. Please use only .trx files"
  30                         return 1
  31                 ;;
  32         esac
  33 }
  34
  35 # use default for platform_do_upgrade()