bcm53xx: sysupgrade: support flashing TRX with UBI image
Signed-off-by: Dan Haab <dhaab@luxul.com> SVN-Revision: 45542
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1 changed files with 9 additions and 3 deletions
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@ -148,9 +148,6 @@ platform_pre_upgrade() {
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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 is unsupported yet"
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exit 1
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# Prepare TRX file with just a kernel that will replace current one
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local linux_length=$(grep "\"linux\"" /proc/mtd | sed "s/mtd[0-9]*:[ \t]*\([^ \t]*\).*/\1/")
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[ -z "$linux_length" ] && {
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@ -165,8 +162,17 @@ platform_pre_upgrade() {
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-f $dir/kernel -b $linux_length \
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-f /tmp/null.bin
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# Prepare UBI image (drop unwanted extra blocks)
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local ubi_length=0
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while [ "$(dd if=$dir/root skip=$ubi_length bs=1 count=4 2>/dev/null)" = "UBI#" ]; do
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ubi_length=$(($ubi_length + 131072))
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done
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echo "ubi_length: $ubi_length"
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dd if=$dir/root of=/tmp/root.ubi bs=131072 count=$((ubi_length / 131072)) 2>/dev/null
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# Flash
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mtd write /tmp/kernel.trx firmware
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nand_do_upgrade /tmp/root.ubi
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}
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platform_do_upgrade() {
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