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=16384 seek=16384 > /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 kernel image
  76         echo "Writing kernel to /dev/$diskdev..."
  77         dd if="$1" of="/dev/$diskdev" bs=1024 skip=16384 seek=16384 count=16384 > /dev/null 2>&1
  78         sync
  79
  80         # iterate over each partition from the image and write it to the boot disk
  81         while read part start size; do
  82                 if export_partdevice partdev $part; then
  83                         echo "Writing image to /dev/$partdev..."
  84                         dd if="$1" of="/dev/$partdev" bs=512 skip="$start" count="$size" > /dev/null 2>&1
  85                         sync
  86                 else
  87                         echo "Unable to find partition $part device, skipped."
  88                 fi
  89         done < /tmp/partmap.image
  90
  91 }
  92 platform_do_upgrade_traverse_nandubi() {
  93         bootsys=$(fw_printenv bootsys | awk -F= '{{print $2}}')
  94         newbootsys=2
  95         if [ "$bootsys" -eq "2" ]; then
  96                 newbootsys=1
  97         fi
  98
  99         # If nand_do_upgrade succeeds, we don't have an opportunity to add any actions of
 100         # our own, so do it here and set back on failure
 101         echo "Setting bootsys to #${newbootsys}"
 102         fw_setenv bootsys $newbootsys
 103         CI_UBIPART="nandubi"
 104         CI_KERNPART="kernel${newbootsys}"
 105         CI_ROOTPART="rootfs${newbootsys}"
 106         nand_do_upgrade "$1" || (echo "Upgrade failed, setting bootsys ${bootsys}" && fw_setenv bootsys $bootsys)
 107
 108 }
 109 platform_copy_config() {
 110         local partdev parttype=ext4
 111
 112         if export_partdevice partdev 1; then
 113                 mount -t $parttype -o rw,noatime "/dev/$partdev" /mnt
 114                 cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
 115                 umount /mnt
 116         fi
 117 }
 118 platform_check_image() {
 119         local board=$(board_name)
 120
 121         case "$board" in
 122         traverse,ls1043v | \
 123         traverse,ls1043s)
 124                 nand_do_platform_check "traverse-ls1043" $1
 125                 return $?
 126                 ;;
 127         fsl,ls1012a-frdm | \
 128         fsl,ls1012a-rdb | \
 129         fsl,ls1021a-twr | \
 130         fsl,ls1043a-rdb | \
 131         fsl,ls1046a-rdb | \
 132         fsl,ls1088a-rdb | \
 133         fsl,ls2088a-rdb)
 134                 return 0
 135                 ;;
 136         fsl,ls1012a-frwy-sdboot | \
 137         fsl,ls1021a-twr-sdboot | \
 138         fsl,ls1043a-rdb-sdboot | \
 139         fsl,ls1046a-rdb-sdboot | \
 140         fsl,ls1088a-rdb-sdboot)
 141                 platform_check_image_sdboot "$1"
 142                 return 0
 143                 ;;
 144         *)
 145                 echo "Sysupgrade is not currently supported on $board"
 146                 ;;
 147         esac
 148
 149         return 1
 150 }
 151 platform_do_upgrade() {
 152         local board=$(board_name)
 153
 154         # Force the creation of fw_printenv.lock
 155         mkdir -p /var/lock
 156         touch /var/lock/fw_printenv.lock
 157
 158         case "$board" in
 159         traverse,ls1043v | \
 160         traverse,ls1043s)
 161                 platform_do_upgrade_traverse_nandubi "$1"
 162                 ;;
 163         fsl,ls1012a-frdm | \
 164         fsl,ls1012a-rdb | \
 165         fsl,ls1021a-twr | \
 166         fsl,ls1043a-rdb | \
 167         fsl,ls1046a-rdb | \
 168         fsl,ls1088a-rdb | \
 169         fsl,ls2088a-rdb)
 170                 PART_NAME=firmware
 171                 default_do_upgrade "$1"
 172                 ;;
 173         fsl,ls1012a-frwy-sdboot | \
 174         fsl,ls1021a-twr-sdboot | \
 175         fsl,ls1043a-rdb-sdboot | \
 176         fsl,ls1046a-rdb-sdboot | \
 177         fsl,ls1088a-rdb-sdboot)
 178                 platform_do_upgrade_sdboot "$1"
 179                 return 0
 180                 ;;
 181         *)
 182                 echo "Sysupgrade is not currently supported on $board"
 183                 ;;
 184         esac
 185 }