diff --git a/lib/debootstrap.sh b/lib/debootstrap.sh
index d8378cb16..cb23ad9e3 100644
--- a/lib/debootstrap.sh
+++ b/lib/debootstrap.sh
@@ -392,7 +392,7 @@ prepare_partitions()
 	# mountopts[nfs] is empty
 
 	# default BOOTSIZE to use if not specified
-	DEFAULT_BOOTSIZE=96	# MiB
+	DEFAULT_BOOTSIZE=256	# MiB
 
 	# stage: determine partition configuration
 	if [[ -n $BOOTFS_TYPE ]]; then
diff --git a/packages/bsp/common/usr/sbin/nand-sata-install b/packages/bsp/common/usr/sbin/nand-sata-install
index c4a70b1dc..3209b5a9b 100755
--- a/packages/bsp/common/usr/sbin/nand-sata-install
+++ b/packages/bsp/common/usr/sbin/nand-sata-install
@@ -462,7 +462,7 @@ format_emmc()
 		fi
 
 		# default boot partition size, in MiB
-		DEFAULT_BOOTSIZE=200
+		DEFAULT_BOOTSIZE=256
 
 		# (convert to sectors for partitioning)
 		DEFAULT_BOOTSIZE_SECTORS=$(((${DEFAULT_BOOTSIZE} * 1024 * 1024) / 512))
diff --git a/patch/kernel/odroidxu4-current/add-con11-gpiomem.patch b/patch/kernel/odroidxu4-current/add-con11-gpiomem.patch
new file mode 100644
index 000000000..9d92cfe4f
--- /dev/null
+++ b/patch/kernel/odroidxu4-current/add-con11-gpiomem.patch
@@ -0,0 +1,14 @@
+diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
+index 8a5591398..0094dbdda 100644
+--- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
++++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
+@@ -51,7 +51,8 @@
+ 	gpiomem {
+ 		compatible = "samsung,exynos-gpiomem";
+ 		reg = <0x13400000 0x1000>,
+-		      <0x14010000 0x1000>;
++		      <0x14010000 0x1000>,
++                      <0x03860000 0x1000>;
+ 		status = "okay";
+ 	};
+