target/linux/layerscape/base-files/lib/upgrade/platform.sh

   1 #
   2 # Copyright 2015-2019 Traverse Technologies
   3 # Copyright 2020 NXP
   4 #
   5
   6 RAMFS_COPY_BIN="/usr/sbin/fw_printenv /usr/sbin/fw_setenv /usr/sbin/ubinfo /bin/echo"
   7 RAMFS_COPY_DATA="/etc/fw_env.config /var/lock/fw_printenv.lock"
   8
   9 REQUIRE_IMAGE_METADATA=1
  10
  11 platform_check_image_sdboot() {
  12         local diskdev partdev diff
  13
  14         export_bootdevice && export_partdevice diskdev 0 || {
  15                 echo "Unable to determine upgrade device"
  16                 return 1
  17         }
  18
  19         # get partitions table from boot device
  20         get_partitions "/dev/$diskdev" bootdisk
  21
  22         # get partitions table from sysupgrade.bin
  23         dd if="$1" of=/tmp/image.bs bs=512b count=1 > /dev/null 2>&1
  24         sync
  25         get_partitions /tmp/image.bs image
  26
  27         # compare tables
  28         diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)"
  29
  30         rm -f /tmp/image.bs /tmp/partmap.bootdisk /tmp/partmap.image
  31
  32         if [ -n "$diff" ]; then
  33                 echo "Partition layout has changed. Full image will be written."
  34                 ask_bool 0 "Abort" && exit 1
  35                 return 0
  36         fi
  37 }
  38 platform_do_upgrade_sdboot() {
  39         local diskdev partdev diff
  40
  41         export_bootdevice && export_partdevice diskdev 0 || {
  42                 echo "Unable to determine upgrade device"
  43                 return 1
  44         }
  45
  46         if [ "$UPGRADE_OPT_SAVE_PARTITIONS" = "1" ]; then
  47                 # get partitions table from boot device
  48                 get_partitions "/dev/$diskdev" bootdisk
  49
  50                 # get partitions table from sysupgrade.bin
  51                 dd if="$1" of=/tmp/image.bs bs=512b count=1 > /dev/null 2>&1
  52                 sync
  53                 get_partitions /tmp/image.bs image
  54
  55                 # compare tables
  56                 diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)"
  57         else
  58                 diff=1
  59         fi
  60
  61         if [ -n "$diff" ]; then
  62                 dd if="$1" of="/dev/$diskdev" bs=1024 count=4 > /dev/null 2>&1
  63                 echo "Writing image to /dev/$diskdev..."
  64                 dd if="$1" of="/dev/$diskdev" bs=1024 skip=15360 seek=15360 > /dev/null 2>&1
  65                 sync
  66
  67                 # Separate removal and addtion is necessary; otherwise, partition 1
  68                 # will be missing if it overlaps with the old partition 2
  69                 partx -d - "/dev/$diskdev"
  70                 partx -a - "/dev/$diskdev"
  71
  72                 return 0
  73         fi
  74
  75         # write dtb
  76         echo "Writing dtb to /dev/$diskdev..."
  77         dd if="$1" of="/dev/$diskdev" bs=1024 skip=15360 seek=15360 count=1024 > /dev/null 2>&1
  78         # write kernel image
  79         echo "Writing kernel to /dev/$diskdev..."
  80         dd if="$1" of="/dev/$diskdev" bs=1024 skip=16384 seek=16384 count=16384 > /dev/null 2>&1
  81         sync
  82
  83         # iterate over each partition from the image and write it to the boot disk
  84         while read part start size; do
  85                 if export_partdevice partdev $part; then
  86                         echo "Writing image to /dev/$partdev..."
  87                         dd if="$1" of="/dev/$partdev" bs=512 skip="$start" count="$size" > /dev/null 2>&1
  88                         sync
  89                 else
  90                         echo "Unable to find partition $part device, skipped."
  91                 fi
  92         done < /tmp/partmap.image
  93
  94 }
  95 platform_do_upgrade_traverse_nandubi() {
  96         bootsys=$(fw_printenv bootsys | awk -F= '{{print $2}}')
  97         newbootsys=2
  98         if [ "$bootsys" -eq "2" ]; then
  99                 newbootsys=1
 100         fi
 101
 102         # If nand_do_upgrade succeeds, we don't have an opportunity to add any actions of
 103         # our own, so do it here and set back on failure
 104         echo "Setting bootsys to #${newbootsys}"
 105         fw_setenv bootsys $newbootsys
 106         CI_UBIPART="nandubi"
 107         CI_KERNPART="kernel${newbootsys}"
 108         CI_ROOTPART="rootfs${newbootsys}"
 109         nand_do_upgrade "$1" || (echo "Upgrade failed, setting bootsys ${bootsys}" && fw_setenv bootsys $bootsys)
 110
 111 }
 112 platform_copy_config() {
 113         local partdev parttype=ext4
 114
 115         if export_partdevice partdev 1; then
 116                 mount -t $parttype -o rw,noatime "/dev/$partdev" /mnt
 117                 cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
 118                 umount /mnt
 119         fi
 120 }
 121 platform_check_image() {
 122         local board=$(board_name)
 123
 124         case "$board" in
 125         traverse,ls1043v | \
 126         traverse,ls1043s)
 127                 nand_do_platform_check "traverse-ls1043" $1
 128                 return $?
 129                 ;;
 130         fsl,ls1012a-frdm | \
 131         fsl,ls1012a-rdb | \
 132         fsl,ls1021a-twr | \
 133         fsl,ls1043a-rdb | \
 134         fsl,ls1046a-rdb | \
 135         fsl,ls1088a-rdb | \
 136         fsl,ls2088a-rdb)
 137                 return 0
 138                 ;;
 139         fsl,ls1012a-frwy-sdboot | \
 140         fsl,ls1021a-twr-sdboot | \
 141         fsl,ls1043a-rdb-sdboot | \
 142         fsl,ls1046a-rdb-sdboot | \
 143         fsl,ls1088a-rdb-sdboot)
 144                 platform_check_image_sdboot "$1"
 145                 return 0
 146                 ;;
 147         *)
 148                 echo "Sysupgrade is not currently supported on $board"
 149                 ;;
 150         esac
 151
 152         return 1
 153 }
 154 platform_do_upgrade() {
 155         local board=$(board_name)
 156
 157         # Force the creation of fw_printenv.lock
 158         mkdir -p /var/lock
 159         touch /var/lock/fw_printenv.lock
 160
 161         case "$board" in
 162         traverse,ls1043v | \
 163         traverse,ls1043s)
 164                 platform_do_upgrade_traverse_nandubi "$1"
 165                 ;;
 166         fsl,ls1012a-frdm | \
 167         fsl,ls1012a-rdb | \
 168         fsl,ls1021a-twr | \
 169         fsl,ls1043a-rdb | \
 170         fsl,ls1046a-rdb | \
 171         fsl,ls1088a-rdb | \
 172         fsl,ls2088a-rdb)
 173                 PART_NAME=firmware
 174                 default_do_upgrade "$1"
 175                 ;;
 176         fsl,ls1012a-frwy-sdboot | \
 177         fsl,ls1021a-twr-sdboot | \
 178         fsl,ls1043a-rdb-sdboot | \
 179         fsl,ls1046a-rdb-sdboot | \
 180         fsl,ls1088a-rdb-sdboot)
 181                 platform_do_upgrade_sdboot "$1"
 182                 return 0
 183                 ;;
 184         *)
 185                 echo "Sysupgrade is not currently supported on $board"
 186                 ;;
 187         esac
 188 }