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

   1 PART_NAME=firmware
   2
   3 # $(1): file to read magic from
   4 # $(2): offset in bytes
   5 get_magic_long_at() {
   6         dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
   7 }
   8
   9 platform_machine() {
  10         grep "machine" /proc/cpuinfo | sed "s/.*:[ \t]*//"
  11 }
  12
  13 platform_expected_chk_board_id() {
  14         local machine=$(platform_machine)
  15
  16         case "$machine" in
  17                 "Netgear WGR614 V8")    echo "U12H072T00_NETGEAR"; return;;
  18                 "Netgear WGR614 V9")    echo "U12H094T00_NETGEAR"; return;;
  19                 "Netgear WGR614 V10")   echo "U12H139T01_NETGEAR"; return;;
  20                 "Netgear WNDR3300")     echo "U12H093T00_NETGEAR"; return;;
  21                 "Netgear WNDR3400 V1")  echo "U12H155T00_NETGEAR"; return;;
  22                 "Netgear WNDR3400 V2")  echo "U12H187T00_NETGEAR"; return;;
  23                 "Netgear WNDR3400 V3")  echo "U12H208T00_NETGEAR"; return;;
  24                 "Netgear WNDR3400 Vcna")        echo "U12H155T01_NETGEAR"; return;;
  25                 "Netgear WNDR3700 V3")  echo "U12H194T00_NETGEAR"; return;;
  26                 "Netgear WNDR4000")     echo "U12H181T00_NETGEAR"; return;;
  27                 "Netgear WNDR4500 V1")  echo "U12H189T00_NETGEAR"; return;;
  28                 "Netgear WNDR4500 V2")  echo "U12H224T00_NETGEAR"; return;;
  29                 "Netgear WNR2000 V2")   echo "U12H114T00_NETGEAR"; return;;
  30                 "Netgear WNR3500L")     echo "U12H136T99_NETGEAR"; return;;
  31                 "Netgear WNR3500U")     echo "U12H136T00_NETGEAR"; return;;
  32                 "Netgear WNR3500 V2")   echo "U12H127T00_NETGEAR"; return;;
  33                 "Netgear WNR3500 V2vc") echo "U12H127T70_NETGEAR"; return;;
  34                 "Netgear WNR834B V2")   echo "U12H081T00_NETGEAR"; return;;
  35         esac
  36 }
  37
  38 platform_expected_cybertan_pattern() {
  39         local machine=$(platform_machine)
  40
  41         case "$machine" in
  42                 "Linksys E900 V1")      echo "E900"; return;;
  43                 "Linksys E1000 V1")     echo "E100"; return;;
  44                 "Linksys E1000 V2")     echo "E100"; return;;
  45                 "Linksys E1000 V2.1")   echo "E100"; return;;
  46                 "Linksys E1200 V2")     echo "E122"; return;;
  47                 "Linksys E2000 V1")     echo "32XN"; return;;
  48                 "Linksys E3000 V1")     echo "61XN"; return;;
  49                 "Linksys E3200 V1")     echo "3200"; return;;
  50                 "Linksys E4200 V1")     echo "4200"; return;;
  51                 "Linksys WRT150N V1.1") echo "N150"; return;;
  52                 "Linksys WRT150N V1")   echo "N150"; return;;
  53                 "Linksys WRT160N V1")   echo "N150"; return;;
  54                 "Linksys WRT160N V3")   echo "N150"; return;;
  55                 "Linksys WRT300N V1.1") echo "EWCB"; return;;
  56                 "Linksys WRT310N V1")   echo "310N"; return;;
  57                 "Linksys WRT310N V2")   echo "310N"; return;;
  58                 "Linksys WRT610N V1")   echo "610N"; return;;
  59                 "Linksys WRT610N V2")   echo "610N"; return;;
  60         esac
  61 }
  62
  63 brcm47xx_identify() {
  64         local magic
  65
  66         magic=$(get_magic_long "$1")
  67         case "$magic" in
  68                 "48445230")
  69                         echo "trx"
  70                         return
  71                         ;;
  72                 "2a23245e")
  73                         echo "chk"
  74                         return
  75                         ;;
  76         esac
  77
  78         magic=$(get_magic_long_at "$1" 14)
  79         [ "$magic" = "55324e44" ] && {
  80                 echo "cybertan"
  81                 return
  82         }
  83
  84         echo "unknown"
  85 }
  86
  87 platform_check_image() {
  88         [ "$#" -gt 1 ] && return 1
  89
  90         local file_type=$(brcm47xx_identify "$1")
  91         local magic
  92         local error=0
  93
  94         case "$file_type" in
  95                 "chk")
  96                         local header_len=$((0x$(get_magic_long_at "$1" 4)))
  97                         local board_id_len=$(($header_len - 40))
  98                         local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
  99                         local dev_board_id=$(platform_expected_chk_board_id)
 100                         echo "Found CHK image with device board_id $board_id"
 101
 102                         [ -n "$dev_board_id" -a "$board_id" != "$dev_board_id" ] && {
 103                                 echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
 104                                 error=1
 105                         }
 106
 107                         magic=$(get_magic_long_at "$1" "$header_len")
 108                         [ "$magic" != "48445230" ] && {
 109                                 echo "No valid TRX firmware in the CHK image"
 110                                 error=1
 111                         }
 112                 ;;
 113                 "cybertan")
 114                         local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
 115                         local dev_pattern=$(platform_expected_cybertan_pattern)
 116                         echo "Found CyberTAN image with device pattern: $pattern"
 117
 118                         [ -n "$dev_pattern" -a "$pattern" != "$dev_pattern" ] && {
 119                                 echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
 120                                 error=1
 121                         }
 122
 123                         magic=$(get_magic_long_at "$1" 32)
 124                         [ "$magic" != "48445230" ] && {
 125                                 echo "No valid TRX firmware in the CyberTAN image"
 126                                 error=1
 127                         }
 128                 ;;
 129                 "trx")
 130                 ;;
 131                 *)
 132                         echo "Invalid image type. Please use only .trx files"
 133                         error=1
 134                 ;;
 135         esac
 136
 137         return $error
 138 }
 139
 140 platform_do_upgrade_chk() {
 141         local header_len=$((0x$(get_magic_long_at "$1" 4)))
 142         local trx="/tmp/$1.trx"
 143
 144         dd if="$1" of="$trx" bs=$header_len skip=1
 145         shift
 146         default_do_upgrade "$trx" "$@"
 147 }
 148
 149 platform_do_upgrade_cybertan() {
 150         local trx="/tmp/$1.trx"
 151
 152         dd if="$1" of="$trx" bs=32 skip=1
 153         shift
 154         default_do_upgrade "$trx" "$@"
 155 }
 156
 157 platform_do_upgrade() {
 158         local file_type=$(brcm47xx_identify "$1")
 159
 160         case "$file_type" in
 161                 "chk")          platform_do_upgrade_chk "$ARGV";;
 162                 "cybertan")     platform_do_upgrade_cybertan "$ARGV";;
 163                 *)              default_do_upgrade "$ARGV";;
 164         esac
 165 }