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

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