mvebu: make sdcard bootloader option configurable

[openwrt/staging/wigyori.git] / target / linux / mvebu / image / gen_mvebu_sdcard_img.sh

diff --git a/target/linux/mvebu/image/gen_mvebu_sdcard_img.sh b/target/linux/mvebu/image/gen_mvebu_sdcard_img.sh
index 63acc79f40f7803bbf7f479f6c37a77833fcba0b..67416ed80cfaa6c04d6a33bb85f8125b30a9e6ce 100755 (executable)
--- a/target/linux/mvebu/image/gen_mvebu_sdcard_img.sh
+++ b/target/linux/mvebu/image/gen_mvebu_sdcard_img.sh
@@ -18,21 +18,27 @@
 #
 
 usage() {
-       echo "$0 <outfile> <bootloader> [<type_partitionN> <sectors_partitionN> <img_partitionN>]?"
+       echo "$0 <outfile> [<bootloader> <type_partitionN> <sectors_partitionN> <img_partitionN>]?"
 }
 
-# always require first 3 arguments
+# always require first 2 or 3 arguments
 # then in pairs up to 8 more for a total of up to 4 partitions
-if [ $# -lt 2 ] || [ $# -gt 15 ] || [ $((($# - 2) % 3)) -ne 0 ]; then
-       usage
-       exit 1
+if [ $# -lt 1 ] || [ $# -gt 14 ] || [ $((($# - 1) % 3)) -ne 0 ]; then
+       if [ $# -lt 2 ] || [ $# -gt 15 ] || [ $((($# - 2) % 3)) -ne 0 ]; then
+               usage
+               exit 1
+       else
+               BOOTLOADER="$2"
+       fi
 fi
 
 set -e
 
 # parameters
 OUTFILE="$1"; shift
-BOOTLOADER="$1"; shift
+if [ -n "$BOOTLOADER" ]; then
+       shift
+fi
 
 # generate image file
 printf "Creating $OUTFILE from /dev/zero: "
@@ -54,9 +60,11 @@ set `ptgen -o "$OUTFILE" -h $head -s $sect -l 1024 -S 0x$SIGNATURE $ptgen_args`
 printf "Done\n"
 
 # install bootloader
-printf "Writing bootloader: "
-dd of="$OUTFILE" if="$BOOTLOADER" bs=512 seek=1 conv=notrunc 2>/dev/null
-printf "Done\n"
+if [ -n "$BOOTLOADER" ]; then
+       printf "Writing bootloader: "
+       dd of="$OUTFILE" if="$BOOTLOADER" bs=512 seek=1 conv=notrunc 2>/dev/null
+       printf "Done\n"
+fi
 
 i=1
 while [ "$#" -ge 2 ]; do