diff --git a/target/linux/orion/base-files/lib/upgrade/platform.sh b/target/linux/orion/base-files/lib/upgrade/platform.sh
new file mode 100644
index 0000000000..def241d4b5
--- /dev/null
+++ b/target/linux/orion/base-files/lib/upgrade/platform.sh
@@ -0,0 +1,23 @@
+# use default "image" for PART_NAME
+# use default for platform_do_upgrade()
+
+platform_check_image() {
+	[ "${ARGC}" -gt 1 ] && { echo 'Too many arguments. Only flash file expected.'; return 1; }
+
+	local hardware=`sed -n /Hardware/s/.*:.//p /proc/cpuinfo`
+	local magic="$(get_magic_word "$1")"
+
+	case "${hardware}" in
+	 # hardware with padded uImage + padded rootfs
+	 'Netgear WNR854T' | 'Linksys WRT350N v2')
+		[ "${magic}" != '2705' ] && {
+			echo "Invalid image type ${magic}."
+			return 1
+		}
+		return 0
+		;;
+	esac
+
+	echo "Sysupgrade is not yet supported on ${hardware}."
+	return 1
+}
diff --git a/target/linux/orion/patches/100-openwrt_partition_map.patch b/target/linux/orion/patches/100-openwrt_partition_map.patch
index 1fd4652b07..bef4a54e84 100644
--- a/target/linux/orion/patches/100-openwrt_partition_map.patch
+++ b/target/linux/orion/patches/100-openwrt_partition_map.patch
@@ -1,25 +1,32 @@
 --- a/arch/arm/mach-orion5x/wrt350n-v2-setup.c
 +++ b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
-@@ -58,19 +58,11 @@ static struct mtd_partition wrt350n_v2_n
+@@ -58,11 +58,11 @@ static struct mtd_partition wrt350n_v2_nor_flash_partitions
  	{
  		.name		= "kernel",
  		.offset		= 0x00000000,
 -		.size		= 0x00760000,
-+		.size		= 0x00100000,
++		.size		= 0x00100000,	// change to kernel mtd size here (1/3)
  	}, {
  		.name		= "rootfs",
 -		.offset		= 0x001a0000,
++		.offset		= 0x00100000,	// change to kernel mtd size here (2/3)
 -		.size		= 0x005c0000,
--	}, {
--		.name		= "lang",
--		.offset		= 0x00760000,
--		.size		= 0x00040000,
--	}, {
--		.name		= "nvram",
--		.offset		= 0x007a0000,
--		.size		= 0x00020000,
-+		.offset		= 0x00100000,
-+		.size		= 0x00650000,
++		.size		= 0x00650000,	// adopt to kernel mtd size here (3/3) = 0x00750000 - <kernel mtd size>
  	}, {
+ 		.name		= "lang",
+ 		.offset		= 0x00760000,
+@@ -75,6 +79,14 @@ static struct mtd_partition wrt350n_v2_nor_flash_partitions
  		.name		= "u-boot",
  		.offset		= 0x007c0000,
+ 		.size		= 0x00040000,
++	}, {
++		.name		= "eRcOmM_do_not_touch",
++		.offset		= 0x00750000,
++		.size		= 0x00010000,	// erasesize
++	}, {
++		.name		= "image",	// for sysupgrade
++		.offset		= 0x00000000,
++		.size		= 0x00750000,
+ 	},
+ };
+ 
diff --git a/target/linux/orion/patches/101-wnr854t_partition_map.patch b/target/linux/orion/patches/101-wnr854t_partition_map.patch
new file mode 100644
index 0000000000..4e96038ed7
--- /dev/null
+++ b/target/linux/orion/patches/101-wnr854t_partition_map.patch
@@ -0,0 +1,13 @@
+--- a/arch/arm/mach-orion5x/wnr854t-setup.c
++++ b/arch/arm/mach-orion5x/wnr854t-setup.c
+@@ -67,6 +67,10 @@ static struct mtd_partition wnr854t_nor_flash_partitions
+ 		.name		= "uboot",
+ 		.offset		= 0x00760000,
+ 		.size		= 0x00040000,
++	}, {
++		.name		= "image",	// for sysupgrade
++		.offset		= 0x00000000,
++		.size		= 0x00760000,
+ 	},
+ };
+