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=$2 bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
   7 }
   8
   9 platform_machine() {
  10         grep "machine" /proc/cpuinfo | sed "s/.*:[ \t]*//"
  11 }
  12
  13 platform_expected_image() {
  14         local machine=$(platform_machine)
  15
  16         case "$machine" in
  17                 "Netgear WGR614 V8")    echo "chk U12H072T00_NETGEAR"; return;;
  18                 "Netgear WGR614 V9")    echo "chk U12H094T00_NETGEAR"; return;;
  19                 "Netgear WGR614 V10")   echo "chk U12H139T01_NETGEAR"; return;;
  20                 "Netgear WNDR3300")     echo "chk U12H093T00_NETGEAR"; return;;
  21                 "Netgear WNDR3400 V1")  echo "chk U12H155T00_NETGEAR"; return;;
  22                 "Netgear WNDR3400 V2")  echo "chk U12H187T00_NETGEAR"; return;;
  23                 "Netgear WNDR3400 V3")  echo "chk U12H208T00_NETGEAR"; return;;
  24                 "Netgear WNDR3400 Vcna")        echo "chk U12H155T01_NETGEAR"; return;;
  25                 "Netgear WNDR3700 V3")  echo "chk U12H194T00_NETGEAR"; return;;
  26                 "Netgear WNDR4000")     echo "chk U12H181T00_NETGEAR"; return;;
  27                 "Netgear WNDR4500 V1")  echo "chk U12H189T00_NETGEAR"; return;;
  28                 "Netgear WNDR4500 V2")  echo "chk U12H224T00_NETGEAR"; return;;
  29                 "Netgear WNR2000 V2")   echo "chk U12H114T00_NETGEAR"; return;;
  30                 "Netgear WNR3500L")     echo "chk U12H136T99_NETGEAR"; return;;
  31                 "Netgear WNR3500U")     echo "chk U12H136T00_NETGEAR"; return;;
  32                 "Netgear WNR3500 V2")   echo "chk U12H127T00_NETGEAR"; return;;
  33                 "Netgear WNR3500 V2vc") echo "chk U12H127T70_NETGEAR"; return;;
  34                 "Netgear WNR834B V2")   echo "chk U12H081T00_NETGEAR"; return;;
  35                 "Linksys E900 V1")      echo "cybertan E900"; return;;
  36                 "Linksys E1000 V1")     echo "cybertan E100"; return;;
  37                 "Linksys E1000 V2")     echo "cybertan E100"; return;;
  38                 "Linksys E1000 V2.1")   echo "cybertan E100"; return;;
  39                 "Linksys E1200 V2")     echo "cybertan E122"; return;;
  40                 "Linksys E2000 V1")     echo "cybertan 32XN"; return;;
  41                 "Linksys E3000 V1")     echo "cybertan 61XN"; return;;
  42                 "Linksys E3200 V1")     echo "cybertan 3200"; return;;
  43                 "Linksys E4200 V1")     echo "cybertan 4200"; return;;
  44                 "Linksys WRT150N V1.1") echo "cybertan N150"; return;;
  45                 "Linksys WRT150N V1")   echo "cybertan N150"; return;;
  46                 "Linksys WRT160N V1")   echo "cybertan N150"; return;;
  47                 "Linksys WRT160N V3")   echo "cybertan N150"; return;;
  48                 "Linksys WRT300N V1")   echo "cybertan EWCB"; return;;
  49                 "Linksys WRT300N V1.1") echo "cybertan EWC2"; return;;
  50                 "Linksys WRT310N V1")   echo "cybertan 310N"; return;;
  51                 "Linksys WRT310N V2")   echo "cybertan 310N"; return;;
  52                 "Linksys WRT610N V1")   echo "cybertan 610N"; return;;
  53                 "Linksys WRT610N V2")   echo "cybertan 610N"; return;;
  54         esac
  55 }
  56
  57 brcm47xx_identify() {
  58         local magic
  59
  60         magic=$(get_magic_long "$1")
  61         case "$magic" in
  62                 "48445230")
  63                         echo "trx"
  64                         return
  65                         ;;
  66                 "2a23245e")
  67                         echo "chk"
  68                         return
  69                         ;;
  70         esac
  71
  72         magic=$(get_magic_long_at "$1" 14)
  73         [ "$magic" = "55324e44" ] && {
  74                 echo "cybertan"
  75                 return
  76         }
  77
  78         echo "unknown"
  79 }
  80
  81 platform_check_image() {
  82         [ "$#" -gt 1 ] && return 1
  83
  84         local file_type=$(brcm47xx_identify "$1")
  85         local magic
  86         local error=0
  87
  88         case "$file_type" in
  89                 "chk")
  90                         local header_len=$((0x$(get_magic_long_at "$1" 4)))
  91                         local board_id_len=$(($header_len - 40))
  92                         local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
  93                         local dev_board_id=$(platform_expected_image)
  94                         echo "Found CHK image with device board_id $board_id"
  95
  96                         [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && {
  97                                 echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
  98                                 error=1
  99                         }
 100
 101                         if ! otrx -c "$1" -o "$header_len"; then
 102                                 echo "No valid TRX firmware in the CHK image"
 103                                 error=1
 104                         fi
 105                 ;;
 106                 "cybertan")
 107                         local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
 108                         local dev_pattern=$(platform_expected_image)
 109                         echo "Found CyberTAN image with device pattern: $pattern"
 110
 111                         [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && {
 112                                 echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
 113                                 error=1
 114                         }
 115
 116                         if ! otrx -c "$1" -o 32; then
 117                                 echo "No valid TRX firmware in the CyberTAN image"
 118                                 error=1
 119                         fi
 120                 ;;
 121                 "trx")
 122                         if ! otrx -c "$1"; then
 123                                 echo "Invalid (corrupted?) TRX firmware"
 124                                 error=1
 125                         fi
 126                 ;;
 127                 *)
 128                         echo "Invalid image type. Please use only .trx files"
 129                         error=1
 130                 ;;
 131         esac
 132
 133         return $error
 134 }
 135
 136 platform_do_upgrade_chk() {
 137         local header_len=$((0x$(get_magic_long_at "$1" 4)))
 138         local trx="/tmp/$1.trx"
 139
 140         dd if="$1" of="$trx" bs=$header_len skip=1
 141         shift
 142         default_do_upgrade "$trx" "$@"
 143 }
 144
 145 platform_do_upgrade_cybertan() {
 146         local trx="/tmp/$1.trx"
 147
 148         dd if="$1" of="$trx" bs=32 skip=1
 149         shift
 150         default_do_upgrade "$trx" "$@"
 151 }
 152
 153 platform_do_upgrade() {
 154         local file_type=$(brcm47xx_identify "$1")
 155
 156         case "$file_type" in
 157                 "chk")          platform_do_upgrade_chk "$ARGV";;
 158                 "cybertan")     platform_do_upgrade_cybertan "$ARGV";;
 159                 *)              default_do_upgrade "$ARGV";;
 160         esac
 161 }