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                 dd if="$1" of="$diskdev" bs=1024 skip=4 seek=16384 > /dev/null 2>&1
  64                 sync
  65
  66                 # Separate removal and addtion is necessary; otherwise, partition 1
  67                 # will be missing if it overlaps with the old partition 2
  68                 partx -d - "/dev/$diskdev"
  69                 partx -a - "/dev/$diskdev"
  70
  71                 return 0
  72         fi
  73
  74         # write kernel image
  75         dd if="$1" of="$diskdev" bs=1024 skip=4 seek=16384 count=16384 > /dev/null 2>&1
  76         sync
  77
  78         # iterate over each partition from the image and write it to the boot disk
  79         while read part start size; do
  80                 if export_partdevice partdev $part; then
  81                         echo "Writing image to /dev/$partdev..."
  82                         dd if="$1" of="/dev/$partdev" bs=512 skip="$start" count="$size" > /dev/null 2>&1
  83                         sync
  84                 else
  85                         echo "Unable to find partition $part device, skipped."
  86                 fi
  87         done < /tmp/partmap.image
  88
  89 }
  90 platform_do_upgrade_traverse_nandubi() {
  91         bootsys=$(fw_printenv bootsys | awk -F= '{{print $2}}')
  92         newbootsys=2
  93         if [ "$bootsys" -eq "2" ]; then
  94                 newbootsys=1
  95         fi
  96
  97         # If nand_do_upgrade succeeds, we don't have an opportunity to add any actions of
  98         # our own, so do it here and set back on failure
  99         echo "Setting bootsys to #${newbootsys}"
 100         fw_setenv bootsys $newbootsys
 101         CI_UBIPART="nandubi"
 102         CI_KERNPART="kernel${newbootsys}"
 103         CI_ROOTPART="rootfs${newbootsys}"
 104         nand_do_upgrade "$1" || (echo "Upgrade failed, setting bootsys ${bootsys}" && fw_setenv bootsys $bootsys)
 105
 106 }
 107 platform_copy_config() {
 108         local partdev parttype=ext4
 109
 110         if export_partdevice partdev 1; then
 111                 mount -t $parttype -o rw,noatime "/dev/$partdev" /mnt
 112                 cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
 113                 umount /mnt
 114         fi
 115 }
 116 platform_check_image() {
 117         local board=$(board_name)
 118
 119         case "$board" in
 120         traverse,ls1043v | \
 121         traverse,ls1043s)
 122                 nand_do_platform_check "traverse-ls1043" $1
 123                 return $?
 124                 ;;
 125         fsl,ls1012a-frdm | \
 126         fsl,ls1012a-rdb | \
 127         fsl,ls1021a-twr | \
 128         fsl,ls1043a-rdb | \
 129         fsl,ls1046a-rdb | \
 130         fsl,ls1088a-rdb | \
 131         fsl,ls2088a-rdb)
 132                 return 0
 133                 ;;
 134         fsl,ls1012a-frwy-sdboot | \
 135         fsl,ls1021a-twr-sdboot | \
 136         fsl,ls1043a-rdb-sdboot | \
 137         fsl,ls1046a-rdb-sdboot | \
 138         fsl,ls1088a-rdb-sdboot)
 139                 platform_check_image_sdboot "$1"
 140                 return 0
 141                 ;;
 142         *)
 143                 echo "Sysupgrade is not currently supported on $board"
 144                 ;;
 145         esac
 146
 147         return 1
 148 }
 149 platform_do_upgrade() {
 150         local board=$(board_name)
 151
 152         # Force the creation of fw_printenv.lock
 153         mkdir -p /var/lock
 154         touch /var/lock/fw_printenv.lock
 155
 156         case "$board" in
 157         traverse,ls1043v | \
 158         traverse,ls1043s)
 159                 platform_do_upgrade_traverse_nandubi "$1"
 160                 ;;
 161         fsl,ls1012a-frdm | \
 162         fsl,ls1012a-rdb | \
 163         fsl,ls1021a-twr | \
 164         fsl,ls1043a-rdb | \
 165         fsl,ls1046a-rdb | \
 166         fsl,ls1088a-rdb | \
 167         fsl,ls2088a-rdb)
 168                 PART_NAME=firmware
 169                 default_do_upgrade "$1"
 170                 ;;
 171         fsl,ls1012a-frwy-sdboot | \
 172         fsl,ls1021a-twr-sdboot | \
 173         fsl,ls1043a-rdb-sdboot | \
 174         fsl,ls1046a-rdb-sdboot | \
 175         fsl,ls1088a-rdb-sdboot)
 176                 platform_do_upgrade_sdboot "$1"
 177                 return 0
 178                 ;;
 179         *)
 180                 echo "Sysupgrade is not currently supported on $board"
 181                 ;;
 182         esac
 183 }