target/linux/bmips/base-files/lib/upgrade/cfe-jffs2-nand.sh

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 cfe_jffs2_nand_upgrade() {
   4         local tar_file="$1"
   5         local kernel_mtd="$(find_mtd_index $CI_KERNPART)"
   6
   7         if [ -z "$kernel_mtd" ]; then
   8                 echo "$CI_KERNPART partition not found"
   9                 return 1
  10         fi
  11
  12         local board_dir=$(tar tf $tar_file | grep -m 1 '^sysupgrade-.*/$')
  13         board_dir=${board_dir%/}
  14
  15         local kernel_length=$(tar xf $tar_file ${board_dir}/kernel -O | wc -c 2> /dev/null)
  16         local rootfs_length=$(tar xf $tar_file ${board_dir}/root -O | wc -c 2> /dev/null)
  17
  18         if [ "$kernel_length" = 0 ]; then
  19                 echo "kernel cannot be empty"
  20                 return 1
  21         fi
  22
  23         flash_erase -j /dev/mtd${kernel_mtd} 0 0
  24         tar xf $tar_file ${board_dir}/kernel -O | nandwrite /dev/mtd${kernel_mtd} -
  25
  26         local rootfs_type="$(identify_tar "$tar_file" ${board_dir}/root)"
  27
  28         nand_upgrade_prepare_ubi "$rootfs_length" "$rootfs_type" "0" "0"
  29
  30         local ubidev="$( nand_find_ubi "$CI_UBIPART" )"
  31
  32         local root_ubivol="$(nand_find_volume $ubidev $CI_ROOTPART)"
  33         tar xf $tar_file ${board_dir}/root -O | \
  34                 ubiupdatevol /dev/$root_ubivol -s $rootfs_length -
  35
  36         nand_do_upgrade_success
  37 }