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@ -1,9 +1,9 @@
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# The U-Boot loader of the OM2P requires image sizes and checksums to be
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# provided in the U-Boot environment.
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# The OM2P comes with 2 main partitions - while one is active sysupgrade
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# will flash the other. The boot order is changed to boot the newly
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# flashed partition. If the new partition can't be booted due to upgrade
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# failures the previously used partition is loaded.
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# The U-Boot loader of the OpenMesh devices requires image sizes and
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# checksums to be provided in the U-Boot environment.
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# The OpenMesh devices come with 2 main partitions - while one is active
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# sysupgrade will flash the other. The boot order is changed to boot the
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# newly flashed partition. If the new partition can't be booted due to
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# upgrade failures the previously used partition is loaded.
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trim()
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{
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@ -34,7 +34,7 @@ platform_add_ramfs_ubootenv()
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}
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append sysupgrade_pre_upgrade platform_add_ramfs_ubootenv
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platform_check_image_om2p()
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platform_check_image_openmesh()
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{
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local img_magic=$1
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local img_path=$2
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@ -56,6 +56,16 @@ platform_check_image_om2p()
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case "$img_board_target" in
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OM2P)
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[ "$board" = "om2p" ] && break
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[ "$board" = "om2p-lc" ] && break
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[ "$board" = "om2p-hs" ] && break
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echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
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return 1
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;;
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MR600)
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[ "$board" = "mr600" ] && break
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echo "Invalid image board target ($img_board_target) for this platform: $board. Use the correct image for this platform"
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return 1
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;;
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*)
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echo "Invalid board target ($img_board_target). Use the correct image for this platform"
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@ -102,13 +112,14 @@ platform_check_image_om2p()
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return 0
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}
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platform_do_upgrade_om2p()
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platform_do_upgrade_openmesh()
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{
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local img_path=$1
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local kernel_start_addr= kernel_size= kernel_md5=
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local img_path=$1 img_board_target=
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local kernel_start_addr= kernel_start_addr1= kernel_start_addr2=
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local kernel_size= kernel_md5=
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local rootfs_size= rootfs_checksize= rootfs_md5=
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local kernel_bsize= total_size=7340032
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local data_offset=$((64 * 1024)) block_size=$((256 * 1024)) offset=
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local data_offset=$((64 * 1024)) block_size= offset=
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local uboot_env_upgrade="/tmp/fw_env_upgrade"
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local cfg_size= kernel_size= rootfs_size=
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local append=""
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@ -119,8 +130,22 @@ platform_do_upgrade_om2p()
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kernel_size=$(dd if="$img_path" bs=2 skip=71 count=4 2>/dev/null)
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rootfs_size=$(dd if="$img_path" bs=2 skip=107 count=4 2>/dev/null)
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img_board_target=$(trim $(dd if="$img_path" bs=4 skip=1 count=8 2>/dev/null))
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cfg_content=$(dd if="$img_path" bs=1 skip=$data_offset count=$(echo $((0x$cfg_size))) 2>/dev/null)
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case $img_board_target in
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OM2P)
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block_size=$((256 * 1024))
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kernel_start_addr1=0x9f1c0000
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kernel_start_addr2=0x9f8c0000
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;;
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MR600)
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block_size=$((64 * 1024))
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kernel_start_addr1=0x9f0b0000
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kernel_start_addr2=0x9f850000
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;;
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esac
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kernel_md5=$(cfg_value_get "$cfg_content" "vmlinux" "md5sum")
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rootfs_md5=$(cfg_value_get "$cfg_content" "rootfs" "md5sum")
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rootfs_checksize=$(cfg_value_get "$cfg_content" "rootfs" "checksize")
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@ -147,12 +172,12 @@ platform_do_upgrade_om2p()
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printf "kernel_size_1 %u\n" $(($kernel_bsize / 1024)) >> $uboot_env_upgrade
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printf "rootfs_size_1 %u\n" $((($total_size - $kernel_bsize) / 1024)) >> $uboot_env_upgrade
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printf "bootseq 1,2\n" >> $uboot_env_upgrade
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kernel_start_addr=0x9f1c0000
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kernel_start_addr=$kernel_start_addr1
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else
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printf "kernel_size_2 %u\n" $(($kernel_bsize / 1024)) >> $uboot_env_upgrade
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printf "rootfs_size_2 %u\n" $((($total_size - $kernel_bsize) / 1024)) >> $uboot_env_upgrade
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printf "bootseq 2,1\n" >> $uboot_env_upgrade
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kernel_start_addr=0x9f8c0000
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kernel_start_addr=$kernel_start_addr2
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fi
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printf "vmlinux_start_addr %s\n" $kernel_start_addr >> $uboot_env_upgrade
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