From c96b3ab8756542e29622f7055dd6538237fd7041 Mon Sep 17 00:00:00 2001
From: Junghoon Kim <jhoon20.kim@samsung.com>
Date: Tue, 11 Jul 2017 11:14:26 +0900
Subject: [PATCH] scripts: odroid-xu4: add ramdisk.img flashing support

In Tizen 4.0, "ramdisk.img" is added in the platform snapshots.

For that reason, this patch supports "ramdisk.img" flashing so that
u-boot can be jumped to initrd instead of rootfs.

Change-Id: Id80d62c9b53190812d5b5dc699729459515b68a1
Signed-off-by: Junghoon Kim <jhoon20.kim@samsung.com>
---
 scripts/sd_fusing_xu4.sh | 70 +++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 61 insertions(+), 9 deletions(-)

diff --git a/scripts/sd_fusing_xu4.sh b/scripts/sd_fusing_xu4.sh
index d37b9f9..bc5825f 100755
--- a/scripts/sd_fusing_xu4.sh
+++ b/scripts/sd_fusing_xu4.sh
@@ -18,6 +18,7 @@ declare -a PART_TABLE=(
 	"tzsw.bin.hardkernel"		""	2111	512
 	"params.bin"			""	6272	512
 	"boot.img"			1	0	512
+	"ramdisk.img"			1	0	512
 	"rootfs.img"			2	0	4M
 	"system-data.img"		3	0	4M
 	"user.img"			5	0	4M
@@ -116,7 +117,18 @@ function fusing_image () {
 	local -r input_size=`du -b $fusing_img | awk '{print $1}'`
 
 	print_message 2 "[Fusing $1]"
-	dd if=$fusing_img | pv -s $input_size | dd of=$device seek=$seek bs=$bs
+
+	if [ "$(basename $fusing_img)" == "ramdisk.img" ]; then
+		umount $device
+		mkdir mnt_tmp
+		mount -t vfat $device ./mnt_tmp
+		cp -f $fusing_img ./mnt_tmp
+		umount ./mnt_tmp
+		rmdir mnt_tmp
+		echo "fusing $fusing_img is done."
+	else
+		dd if=$fusing_img | pv -s $input_size | dd of=$device seek=$seek bs=$bs
+	fi
 
 	if [ $(basename $fusing_img) == "u-boot-mmc.bin" ];then
 		add_fusing_entry "u-boot" $seek 2048
@@ -138,25 +150,64 @@ function fuse_image_tarball () {
 
 	cd ..
 	rm -rf $temp_dir
-	eval sync
 }
 
-function fuse_image () {
+function check_binary_format () {
+	local -r binary=$1
+
+	case "$binary" in
+	*.tar | *.tar.gz)
+		fuse_image_tarball $binary
+		eval sync
+		;;
+	*)
+		fusing_image $binary
+		eval sync
+		;;
+	esac
+}
 
+function fuse_image () {
 	if [ "$FUSING_BINARY_NUM" == 0 ]; then
 		return
 	fi
 
+	# NOTE: to ensure ramdisk booting, ramdisk image should be copied after
+	# boot image is flashed into boot partition.
+	#
+	# This code guarantees that ramdisk image is flashed in the end of binaries.
+	local -i tmpval=$FUSING_BINARY_NUM-1
 	for ((fuse_idx = 0 ; fuse_idx < $FUSING_BINARY_NUM ; fuse_idx++))
 	do
 		local filename=${FUSING_BINARY_ARRAY[fuse_idx]}
+		local tmpname=""
 
 		case "$filename" in
-		    *.tar | *.tar.gz)
-			fuse_image_tarball $filename
+		*.tar | *.tar.gz)
+			if [ $fuse_idx -lt $tmpval ]; then
+				local tar_contents=`tar tvf $filename | awk 'BEGIN {FS=" "} {print $6}'`
+
+				for content in $tar_contents
+				do
+					if [ "$content" == "ramdisk.img" ]; then
+						tmpname=$filename
+						filename=${FUSING_BINARY_ARRAY[$tmpval]}
+						FUSING_BINARY_ARRAY[$tmpval]=$tmpname
+						break
+					fi
+				done
+			fi
+			check_binary_format $filename
 			;;
-		    *)
-			fusing_image $filename
+		*)
+			if [ $fuse_idx -lt $tmpval ]; then
+				if [ "$filename" == "ramdisk.img" ]; then
+					tmpname=$filename
+					filename=${FUSING_BINARY_ARRAY[$tmpval]}
+					FUSING_BINARY_ARRAY[$tmpval]=$tmpname
+				fi
+			fi
+			check_binary_format $filename
 			;;
 		esac
 	done
@@ -167,7 +218,7 @@ function fuse_image () {
 function mkpart_3 () {
 	# NOTE: if your sfdisk version is less than 2.26.0, then you should use following sfdisk command:
 	# sfdisk --in-order --Linux --unit M $DISK <<-__EOF__
-
+	#
 	# NOTE: sfdisk 2.26 doesn't support units other than sectors and marks --unit option as deprecated.
 	# The input data needs to contain multipliers (MiB) instead.
 	local version=`sfdisk -v | awk '{print $4}'`
@@ -316,7 +367,8 @@ function check_args () {
 
 function print_logo () {
 	echo ""
-	echo "Odroid-XU3/4 downloader"
+	echo "[Odroid-XU3/4 downloader]"
+	echo "This version also supports Tizen 4.0."
 	echo ""
 }
 
-- 
2.7.4