target/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh

   1 REQUIRE_IMAGE_METADATA=1
   2 RAMFS_COPY_BIN='fw_printenv fw_setenv blockdev'
   3 RAMFS_COPY_DATA='/etc/fw_env.config /var/lock/fw_printenv.lock'
   4
   5 get_cmdline_var() {
   6         local var=$1
   7         local cmdlinevar tmp
   8         local cmdline="$(cat /proc/cmdline)"
   9
  10         for cmdlinevar in $cmdline; do
  11                 tmp=${cmdlinevar##${var}}
  12                 [ "=" = "${tmp:0:1}" ] && echo ${tmp:1}
  13         done
  14 }
  15
  16 get_rootdev() {
  17         local rootvol rootdev
  18         rootvol=$(get_cmdline_var root)
  19         rootvol=$(basename $rootvol)
  20         [ -e /sys/class/block/$rootvol ] || {
  21                 rootvol=${rootvol%%[0-9]}
  22                 [ -e /sys/class/block/$rootvol ] && echo $rootvol
  23                 rootvol=${rootvol%%p}
  24                 [ -e /sys/class/block/$rootvol ] && echo $rootvol
  25                 return
  26         }
  27         [ -e /sys/class/block/$rootvol/partition ] || {
  28                 echo $rootvol
  29                 return
  30         }
  31         rootdev=$(busybox readlink -f /sys/class/block/$rootvol)
  32         rootdev=$(basename ${rootdev%%/${rootvol}})
  33         [ -e /sys/class/block/$rootdev ] && echo $rootdev
  34 }
  35
  36 get_partition() {
  37         for partname in /sys/class/block/$1/*/name; do
  38                 [ "$(cat ${partname})" = "$2" ] && {
  39                         basename ${partname%%/name}
  40                         break
  41                 }
  42         done
  43 }
  44
  45 platform_do_upgrade() {
  46         local board=$(board_name)
  47         local file_type=$(identify $1)
  48
  49         case "$board" in
  50         bananapi,bpi-r64)
  51                 local rootdev=$(get_rootdev)
  52                 local fitpart=$(get_partition $rootdev production)
  53                 [ "$fitpart" ] || exit 1
  54                 dd if=/dev/zero of=/dev/$fitpart bs=4096 count=1 2>/dev/null
  55                 blockdev --rereadpt /dev/$rootdev
  56                 get_image "$1" | dd of=/dev/$fitpart
  57                 echo $rootdev > /tmp/sysupgrade.rootdev
  58                 ;;
  59         buffalo,wsr-2533dhp2)
  60                 local magic="$(get_magic_long "$1")"
  61
  62                 # use "mtd write" if the magic is "DHP2 (0x44485032)"
  63                 # or "DHP3 (0x44485033)"
  64                 if [ "$magic" = "44485032" -o "$magic" = "44485033" ]; then
  65                         buffalo_upgrade_ubinized "$1"
  66                 else
  67                         CI_KERNPART="firmware"
  68                         nand_do_upgrade "$1"
  69                 fi
  70                 ;;
  71         linksys,e8450-ubi|\
  72         mediatek,mt7622,ubi)
  73                 CI_KERNPART="fit"
  74                 nand_do_upgrade "$1"
  75                 ;;
  76         linksys,e8450)
  77                 if grep -q mtdparts=slave /proc/cmdline; then
  78                         PART_NAME=firmware2
  79                 else
  80                         PART_NAME=firmware1
  81                 fi
  82                 default_do_upgrade "$1"
  83                 ;;
  84         *)
  85                 default_do_upgrade "$1"
  86                 ;;
  87         esac
  88 }
  89
  90 PART_NAME=firmware
  91
  92 platform_check_image() {
  93         local board=$(board_name)
  94         local magic="$(get_magic_long "$1")"
  95
  96         [ "$#" -gt 1 ] && return 1
  97
  98         case "$board" in
  99         buffalo,wsr-2533dhp2)
 100                 buffalo_check_image "$board" "$magic" "$1" || return 1
 101                 ;;
 102         *)
 103                 [ "$magic" != "d00dfeed" ] && {
 104                         echo "Invalid image type."
 105                         return 1
 106                 }
 107                 return 0
 108                 ;;
 109         esac
 110
 111         return 0
 112 }
 113
 114 platform_copy_config_mmc() {
 115         [ -e "$UPGRADE_BACKUP" ] || return
 116         local rootdev=$(cat /tmp/sysupgrade.rootdev)
 117         blockdev --rereadpt /dev/$rootdev
 118         local datadev=$(get_partition $rootdev rootfs_data)
 119         [ "$datadev" ] || echo "no rootfs_data partition, cannot keep configuration." >&2
 120         dd if="$UPGRADE_BACKUP" of=/dev/$datadev
 121         sync
 122 }
 123
 124 platform_copy_config() {
 125         case "$(board_name)" in
 126         bananapi,bpi-r64)
 127                 platform_copy_config_mmc
 128                 ;;
 129         esac
 130 }