scripts: checkpatch: Add fw version check

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Change-Id: I8dc4527cdf4a465a88f384453857257945333ee8

scripts/checkpatch.sh

@@ -408,6 +408,32 @@ function check_mode()
 	fi
 }
 
+function check_version()
+{
+	echo "Checking fwver..."
+	git whatchanged -1 --name-only | sed -n '/bin\//p' | sed -n '/ddr/p; /tpl/p; /spl/p; /bl31/p; /bl32/p; /tee/p;' | while read FILE; do
+		if ! test -f ${FILE}; then
+			continue
+		fi
+
+		NAME_VER=`echo ${FILE} | grep -o 'v[0-9].[0-9][0-9]'`
+		# ignore version < v1.00
+		if [[ "${NAME_VER}" == *v0.* ]]; then
+			continue
+		fi
+
+		if ! strings ${FILE} | grep -q 'fwver: ' ; then
+			echo "ERROR: ${FILE}: No \"fwver: \" string found in binary"
+			exit 1
+		fi
+		FW_VER=`strings ${FILE} | grep -o 'fwver: v[1-9].[0-9][0-9]' | awk '{ print $2 }'`
+		if [ "${NAME_VER}" != "${FW_VER}" ] ; then
+			echo "ERROR: ${FILE}: file version is ${NAME_VER}, but fw version is ${FW_VER}."
+			exit 1
+		fi
+	done
+}
+
 function finish()
 {
 	echo "OK, everything is nice."
@@ -415,6 +441,7 @@ function finish()
 }
 
 check_mode
+check_version
 check_docs
 check_dirty
 check_stripped