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 WN2500RP V1")  echo "chk U12H197T00_NETGEAR"; return;;
  21                 "Netgear WN2500RP V2")  echo "chk U12H294T00_NETGEAR"; return;;
  22                 "Netgear WNDR3300")     echo "chk U12H093T00_NETGEAR"; return;;
  23                 "Netgear WNDR3400 V1")  echo "chk U12H155T00_NETGEAR"; return;;
  24                 "Netgear WNDR3400 V2")  echo "chk U12H187T00_NETGEAR"; return;;
  25                 "Netgear WNDR3400 V3")  echo "chk U12H208T00_NETGEAR"; return;;
  26                 "Netgear WNDR3400 Vcna")        echo "chk U12H155T01_NETGEAR"; return;;
  27                 "Netgear WNDR3700 V3")  echo "chk U12H194T00_NETGEAR"; return;;
  28                 "Netgear WNDR4000")     echo "chk U12H181T00_NETGEAR"; return;;
  29                 "Netgear WNDR4500 V1")  echo "chk U12H189T00_NETGEAR"; return;;
  30                 "Netgear WNDR4500 V2")  echo "chk U12H224T00_NETGEAR"; return;;
  31                 "Netgear WNR2000 V2")   echo "chk U12H114T00_NETGEAR"; return;;
  32                 "Netgear WNR3500L")     echo "chk U12H136T99_NETGEAR"; return;;
  33                 "Netgear WNR3500U")     echo "chk U12H136T00_NETGEAR"; return;;
  34                 "Netgear WNR3500 V2")   echo "chk U12H127T00_NETGEAR"; return;;
  35                 "Netgear WNR3500 V2vc") echo "chk U12H127T70_NETGEAR"; return;;
  36                 "Netgear WNR834B V2")   echo "chk U12H081T00_NETGEAR"; return;;
  37                 "Linksys E900 V1")      echo "cybertan E900"; return;;
  38                 "Linksys E1000 V1")     echo "cybertan E100"; return;;
  39                 "Linksys E1000 V2")     echo "cybertan E100"; return;;
  40                 "Linksys E1000 V2.1")   echo "cybertan E100"; return;;
  41                 "Linksys E1200 V2")     echo "cybertan E122"; return;;
  42                 "Linksys E2000 V1")     echo "cybertan 32XN"; return;;
  43                 "Linksys E3000 V1")     echo "cybertan 61XN"; return;;
  44                 "Linksys E3200 V1")     echo "cybertan 3200"; return;;
  45                 "Linksys E4200 V1")     echo "cybertan 4200"; return;;
  46                 "Linksys WRT150N V1.1") echo "cybertan N150"; return;;
  47                 "Linksys WRT150N V1")   echo "cybertan N150"; return;;
  48                 "Linksys WRT160N V1")   echo "cybertan N150"; return;;
  49                 "Linksys WRT160N V3")   echo "cybertan N150"; return;;
  50                 "Linksys WRT300N V1")   echo "cybertan EWCB"; return;;
  51                 "Linksys WRT300N V1.1") echo "cybertan EWC2"; return;;
  52                 "Linksys WRT310N V1")   echo "cybertan 310N"; return;;
  53                 "Linksys WRT310N V2")   echo "cybertan 310N"; return;;
  54                 "Linksys WRT610N V1")   echo "cybertan 610N"; return;;
  55                 "Linksys WRT610N V2")   echo "cybertan 610N"; return;;
  56         esac
  57 }
  58
  59 brcm47xx_identify() {
  60         local magic
  61
  62         magic=$(get_magic_long "$1")
  63         case "$magic" in
  64                 "48445230")
  65                         echo "trx"
  66                         return
  67                         ;;
  68                 "2a23245e")
  69                         echo "chk"
  70                         return
  71                         ;;
  72         esac
  73
  74         magic=$(get_magic_long_at "$1" 14)
  75         [ "$magic" = "55324e44" ] && {
  76                 echo "cybertan"
  77                 return
  78         }
  79
  80         echo "unknown"
  81 }
  82
  83 platform_check_image() {
  84         [ "$#" -gt 1 ] && return 1
  85
  86         local file_type=$(brcm47xx_identify "$1")
  87         local magic
  88         local error=0
  89
  90         case "$file_type" in
  91                 "chk")
  92                         local header_len=$((0x$(get_magic_long_at "$1" 4)))
  93                         local board_id_len=$(($header_len - 40))
  94                         local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
  95                         local dev_board_id=$(platform_expected_image)
  96                         echo "Found CHK image with device board_id $board_id"
  97
  98                         [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && {
  99                                 echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
 100                                 error=1
 101                         }
 102
 103                         if ! otrx check "$1" -o "$header_len"; then
 104                                 echo "No valid TRX firmware in the CHK image"
 105                                 error=1
 106                         fi
 107                 ;;
 108                 "cybertan")
 109                         local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
 110                         local dev_pattern=$(platform_expected_image)
 111                         echo "Found CyberTAN image with device pattern: $pattern"
 112
 113                         [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && {
 114                                 echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
 115                                 error=1
 116                         }
 117
 118                         if ! otrx check "$1" -o 32; then
 119                                 echo "No valid TRX firmware in the CyberTAN image"
 120                                 error=1
 121                         fi
 122                 ;;
 123                 "trx")
 124                         if ! otrx check "$1"; then
 125                                 echo "Invalid (corrupted?) TRX firmware"
 126                                 error=1
 127                         fi
 128                 ;;
 129                 *)
 130                         echo "Invalid image type. Please use only .trx files"
 131                         error=1
 132                 ;;
 133         esac
 134
 135         return $error
 136 }
 137
 138 platform_trx_from_chk_cmd() {
 139         local header_len=$((0x$(get_magic_long_at "$1" 4)))
 140
 141         echo -n dd bs=$header_len skip=1
 142 }
 143
 144 platform_trx_from_cybertan_cmd() {
 145         echo -n dd bs=32 skip=1
 146 }
 147
 148 platform_do_upgrade() {
 149         local file_type=$(brcm47xx_identify "$1")
 150         local trx="$1"
 151         local cmd=""
 152
 153         case "$file_type" in
 154                 "chk")          cmd=$(platform_trx_from_chk_cmd "$trx");;
 155                 "cybertan")     cmd=$(platform_trx_from_cybertan_cmd "$trx");;
 156         esac
 157
 158         default_do_upgrade "$trx" "$cmd"
 159 }