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 V1.1") echo "cybertan EWCB"; return;;
  49                 "Linksys WRT310N V1")   echo "cybertan 310N"; return;;
  50                 "Linksys WRT310N V2")   echo "cybertan 310N"; return;;
  51                 "Linksys WRT610N V1")   echo "cybertan 610N"; return;;
  52                 "Linksys WRT610N V2")   echo "cybertan 610N"; return;;
  53         esac
  54 }
  55
  56 brcm47xx_identify() {
  57         local magic
  58
  59         magic=$(get_magic_long "$1")
  60         case "$magic" in
  61                 "48445230")
  62                         echo "trx"
  63                         return
  64                         ;;
  65                 "2a23245e")
  66                         echo "chk"
  67                         return
  68                         ;;
  69         esac
  70
  71         magic=$(get_magic_long_at "$1" 14)
  72         [ "$magic" = "55324e44" ] && {
  73                 echo "cybertan"
  74                 return
  75         }
  76
  77         echo "unknown"
  78 }
  79
  80 # $(1): image that should contain trx
  81 # $(2): trx offset in image
  82 platform_check_image_trx() {
  83         local magic=$(get_magic_long_at "$1" $2)
  84
  85         [ "$magic" != "48445230" ] && {
  86                 return 1
  87         }
  88
  89         # TODO: Check crc32
  90
  91         return 0
  92 }
  93
  94 platform_check_image() {
  95         [ "$#" -gt 1 ] && return 1
  96
  97         local file_type=$(brcm47xx_identify "$1")
  98         local magic
  99         local error=0
 100
 101         case "$file_type" in
 102                 "chk")
 103                         local header_len=$((0x$(get_magic_long_at "$1" 4)))
 104                         local board_id_len=$(($header_len - 40))
 105                         local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
 106                         local dev_board_id=$(platform_expected_image)
 107                         echo "Found CHK image with device board_id $board_id"
 108
 109                         [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && {
 110                                 echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
 111                                 error=1
 112                         }
 113
 114                         if ! platform_check_image_trx "$1" "$header_len"; then
 115                                 echo "No valid TRX firmware in the CHK image"
 116                                 error=1
 117                         fi
 118                 ;;
 119                 "cybertan")
 120                         local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
 121                         local dev_pattern=$(platform_expected_image)
 122                         echo "Found CyberTAN image with device pattern: $pattern"
 123
 124                         [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && {
 125                                 echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
 126                                 error=1
 127                         }
 128
 129                         if ! platform_check_image_trx "$1" 32; then
 130                                 echo "No valid TRX firmware in the CyberTAN image"
 131                                 error=1
 132                         fi
 133                 ;;
 134                 "trx")
 135                 ;;
 136                 *)
 137                         echo "Invalid image type. Please use only .trx files"
 138                         error=1
 139                 ;;
 140         esac
 141
 142         return $error
 143 }
 144
 145 platform_do_upgrade_chk() {
 146         local header_len=$((0x$(get_magic_long_at "$1" 4)))
 147         local trx="/tmp/$1.trx"
 148
 149         dd if="$1" of="$trx" bs=$header_len skip=1
 150         shift
 151         default_do_upgrade "$trx" "$@"
 152 }
 153
 154 platform_do_upgrade_cybertan() {
 155         local trx="/tmp/$1.trx"
 156
 157         dd if="$1" of="$trx" bs=32 skip=1
 158         shift
 159         default_do_upgrade "$trx" "$@"
 160 }
 161
 162 platform_do_upgrade() {
 163         local file_type=$(brcm47xx_identify "$1")
 164
 165         case "$file_type" in
 166                 "chk")          platform_do_upgrade_chk "$ARGV";;
 167                 "cybertan")     platform_do_upgrade_cybertan "$ARGV";;
 168                 *)              default_do_upgrade "$ARGV";;
 169         esac
 170 }