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=$2 bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
   7 }
   8
   9 platform_expected_image() {
  10         local machine=$(board_name)
  11
  12         case "$machine" in
  13                 "Netgear WGR614 V8")    echo "chk U12H072T00_NETGEAR"; return;;
  14                 "Netgear WGR614 V9")    echo "chk U12H094T00_NETGEAR"; return;;
  15                 "Netgear WGR614 V10")   echo "chk U12H139T01_NETGEAR"; return;;
  16                 "Netgear WN2500RP V1")  echo "chk U12H197T00_NETGEAR"; return;;
  17                 "Netgear WN2500RP V2")  echo "chk U12H294T00_NETGEAR"; return;;
  18                 "Netgear WNDR3300")     echo "chk U12H093T00_NETGEAR"; return;;
  19                 "Netgear WNDR3400 V1")  echo "chk U12H155T00_NETGEAR"; return;;
  20                 "Netgear WNDR3400 V2")  echo "chk U12H187T00_NETGEAR"; return;;
  21                 "Netgear WNDR3400 V3")  echo "chk U12H208T00_NETGEAR"; return;;
  22                 "Netgear WNDR3400 Vcna")        echo "chk U12H155T01_NETGEAR"; return;;
  23                 "Netgear WNDR3700 V3")  echo "chk U12H194T00_NETGEAR"; return;;
  24                 "Netgear WNDR4000")     echo "chk U12H181T00_NETGEAR"; return;;
  25                 "Netgear WNDR4500 V1")  echo "chk U12H189T00_NETGEAR"; return;;
  26                 "Netgear WNDR4500 V2")  echo "chk U12H224T00_NETGEAR"; return;;
  27                 "Netgear WNR2000 V2")   echo "chk U12H114T00_NETGEAR"; return;;
  28                 "Netgear WNR3500L")     echo "chk U12H136T99_NETGEAR"; return;;
  29                 "Netgear WNR3500U")     echo "chk U12H136T00_NETGEAR"; return;;
  30                 "Netgear WNR3500 V2")   echo "chk U12H127T00_NETGEAR"; return;;
  31                 "Netgear WNR3500 V2vc") echo "chk U12H127T70_NETGEAR"; return;;
  32                 "Netgear WNR834B V2")   echo "chk U12H081T00_NETGEAR"; return;;
  33                 "Linksys E900 V1")      echo "cybertan E900"; return;;
  34                 "Linksys E1000 V1")     echo "cybertan E100"; return;;
  35                 "Linksys E1000 V2")     echo "cybertan E100"; return;;
  36                 "Linksys E1000 V2.1")   echo "cybertan E100"; return;;
  37                 "Linksys E1200 V2")     echo "cybertan E122"; return;;
  38                 "Linksys E2000 V1")     echo "cybertan 32XN"; return;;
  39                 "Linksys E3000 V1")     echo "cybertan 61XN"; return;;
  40                 "Linksys E3200 V1")     echo "cybertan 3200"; return;;
  41                 "Linksys E4200 V1")     echo "cybertan 4200"; return;;
  42                 "Linksys WRT150N V1.1") echo "cybertan N150"; return;;
  43                 "Linksys WRT150N V1")   echo "cybertan N150"; return;;
  44                 "Linksys WRT160N V1")   echo "cybertan N150"; return;;
  45                 "Linksys WRT160N V3")   echo "cybertan N150"; return;;
  46                 "Linksys WRT300N V1")   echo "cybertan EWCB"; return;;
  47                 "Linksys WRT300N V1.1") echo "cybertan EWC2"; return;;
  48                 "Linksys WRT310N V1")   echo "cybertan 310N"; return;;
  49                 "Linksys WRT310N V2")   echo "cybertan 310N"; return;;
  50                 "Linksys WRT610N V1")   echo "cybertan 610N"; return;;
  51                 "Linksys WRT610N V2")   echo "cybertan 610N"; return;;
  52         esac
  53 }
  54
  55 brcm47xx_identify() {
  56         local magic
  57
  58         magic=$(get_magic_long "$1")
  59         case "$magic" in
  60                 "48445230")
  61                         echo "trx"
  62                         return
  63                         ;;
  64                 "2a23245e")
  65                         echo "chk"
  66                         return
  67                         ;;
  68         esac
  69
  70         magic=$(get_magic_long_at "$1" 14)
  71         [ "$magic" = "55324e44" ] && {
  72                 echo "cybertan"
  73                 return
  74         }
  75
  76         echo "unknown"
  77 }
  78
  79 platform_check_image() {
  80         [ "$#" -gt 1 ] && return 1
  81
  82         local file_type=$(brcm47xx_identify "$1")
  83         local magic
  84         local error=0
  85
  86         case "$file_type" in
  87                 "chk")
  88                         local header_len=$((0x$(get_magic_long_at "$1" 4)))
  89                         local board_id_len=$(($header_len - 40))
  90                         local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
  91                         local dev_board_id=$(platform_expected_image)
  92                         echo "Found CHK image with device board_id $board_id"
  93
  94                         [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && {
  95                                 echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
  96                                 error=1
  97                         }
  98
  99                         if ! otrx check "$1" -o "$header_len"; then
 100                                 echo "No valid TRX firmware in the CHK image"
 101                                 error=1
 102                         fi
 103                 ;;
 104                 "cybertan")
 105                         local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
 106                         local dev_pattern=$(platform_expected_image)
 107                         echo "Found CyberTAN image with device pattern: $pattern"
 108
 109                         [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && {
 110                                 echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
 111                                 error=1
 112                         }
 113
 114                         if ! otrx check "$1" -o 32; then
 115                                 echo "No valid TRX firmware in the CyberTAN image"
 116                                 error=1
 117                         fi
 118                 ;;
 119                 "trx")
 120                         if ! otrx check "$1"; then
 121                                 echo "Invalid (corrupted?) TRX firmware"
 122                                 error=1
 123                         fi
 124                 ;;
 125                 *)
 126                         echo "Invalid image type. Please use only .trx files"
 127                         error=1
 128                 ;;
 129         esac
 130
 131         return $error
 132 }
 133
 134 platform_trx_from_chk_cmd() {
 135         local header_len=$((0x$(get_magic_long_at "$1" 4)))
 136
 137         echo -n dd bs=$header_len skip=1
 138 }
 139
 140 platform_trx_from_cybertan_cmd() {
 141         echo -n dd bs=32 skip=1
 142 }
 143
 144 platform_do_upgrade() {
 145         local file_type=$(brcm47xx_identify "$1")
 146         local trx="$1"
 147         local cmd=""
 148
 149         case "$file_type" in
 150                 "chk")          cmd=$(platform_trx_from_chk_cmd "$trx");;
 151                 "cybertan")     cmd=$(platform_trx_from_cybertan_cmd "$trx");;
 152         esac
 153
 154         default_do_upgrade "$trx" "$cmd"
 155 }