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bcm53xx: add platform_pre_upgrade to prepare for kernel+UBI sysupgrade
We can now detect that provided firmware contains kernel and UBI image partitions. Flashing it in a sane way (keeping erase counters) still needs to be implemented. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> SVN-Revision: 45391
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@ -124,6 +124,34 @@ platform_extract_trx_from_cybertan() {
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dd if="$1" of="$2" bs=32 skip=1
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}
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platform_pre_upgrade() {
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local file_type=$(platform_identify "$1")
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local dir="/tmp/sysupgrade-bcm53xx"
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local trx="$1"
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[ "$(platform_flash_type)" != "nand" ] && return
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# Extract trx
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case "$file_type" in
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"chk") trx="/tmp/$1.trx"; platform_extract_trx_from_chk "$1" "$trx";;
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"cybertan") trx="/tmp/$1.trx"; platform_extract_trx_from_cybertan "$1" "$trx";;
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esac
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# Extract partitions from trx
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rm -fR $dir
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mkdir -p $dir
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otrx -e "$trx" \
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-1 $dir/kernel \
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-2 $dir/root
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# Firmwares without UBI image should be flashed "normally"
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local root_type=$(identify $dir/root)
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[ "$root_type" != "ubi" ] && return
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echo "Provided firmware contains kernel and UBI image, but flashing it in unsupported yet"
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exit 1
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}
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platform_do_upgrade() {
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local file_type=$(platform_identify "$1")
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local trx="$1"
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