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-rw-r--r--target/linux/bcm53xx/base-files/lib/upgrade/platform.sh28
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh b/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh
index c3f9a14c78..26a32e30a4 100644
--- a/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh
@@ -124,6 +124,34 @@ platform_extract_trx_from_cybertan() {
dd if="$1" of="$2" bs=32 skip=1
}
+platform_pre_upgrade() {
+ local file_type=$(platform_identify "$1")
+ local dir="/tmp/sysupgrade-bcm53xx"
+ local trx="$1"
+
+ [ "$(platform_flash_type)" != "nand" ] && return
+
+ # Extract trx
+ case "$file_type" in
+ "chk") trx="/tmp/$1.trx"; platform_extract_trx_from_chk "$1" "$trx";;
+ "cybertan") trx="/tmp/$1.trx"; platform_extract_trx_from_cybertan "$1" "$trx";;
+ esac
+
+ # Extract partitions from trx
+ rm -fR $dir
+ mkdir -p $dir
+ otrx -e "$trx" \
+ -1 $dir/kernel \
+ -2 $dir/root
+
+ # Firmwares without UBI image should be flashed "normally"
+ local root_type=$(identify $dir/root)
+ [ "$root_type" != "ubi" ] && return
+
+ echo "Provided firmware contains kernel and UBI image, but flashing it in unsupported yet"
+ exit 1
+}
+
platform_do_upgrade() {
local file_type=$(platform_identify "$1")
local trx="$1"