diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 90494e9d8ebb..473c1417968a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -519,23 +519,6 @@ config ARCH_DOVE
 	help
 	  Support for the Marvell Dove SoC 88AP510
 
-config ARCH_ORION5X
-	bool "Marvell Orion"
-	depends on MMU
-	select ARCH_REQUIRE_GPIOLIB
-	select CPU_FEROCEON
-	select GENERIC_CLOCKEVENTS
-	select MVEBU_MBUS
-	select MULTI_IRQ_HANDLER
-	select PCI
-	select PLAT_ORION_LEGACY
-	select MULTI_IRQ_HANDLER
-	select SPARSE_IRQ
-	help
-	  Support for the following Marvell Orion 5x series SoCs:
-	  Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
-	  Orion-2 (5281), Orion-1-90 (6183).
-
 config ARCH_MMP
 	bool "Marvell PXA168/910/MMP2"
 	depends on MMU
diff --git a/arch/arm/configs/orion5x_defconfig b/arch/arm/configs/orion5x_defconfig
index 8099417a9466..6ddca8875cb5 100644
--- a/arch/arm/configs/orion5x_defconfig
+++ b/arch/arm/configs/orion5x_defconfig
@@ -13,6 +13,9 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_BLK_DEV_BSG is not set
 CONFIG_PARTITION_ADVANCED=y
 CONFIG_BSD_DISKLABEL=y
+CONFIG_ARCH_MULTI_V5=y
+# CONFIG_ARCH_MULTI_V6 is not set
+# CONFIG_ARCH_MULTI_V7 is not set
 CONFIG_ARCH_ORION5X=y
 CONFIG_ARCH_ORION5X_DT=y
 CONFIG_MACH_DB88F5281=y
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index 66f1c952c048..a9ad95f000a1 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -1,6 +1,18 @@
-if ARCH_ORION5X
+menuconfig ARCH_ORION5X
+	bool "Marvell Orion"
+	depends on MMU && ARCH_MULTI_V5
+	select ARCH_REQUIRE_GPIOLIB
+	select CPU_FEROCEON
+	select GENERIC_CLOCKEVENTS
+	select MVEBU_MBUS
+	select PCI
+	select PLAT_ORION_LEGACY
+	help
+	  Support for the following Marvell Orion 5x series SoCs:
+	  Orion-1 (5181), Orion-VoIP (5181L), Orion-NAS (5182),
+	  Orion-2 (5281), Orion-1-90 (6183).
 
-menu "Orion Implementations"
+if ARCH_ORION5X
 
 config ARCH_ORION5X_DT
 	bool "Marvell Orion5x Flattened Device Tree"
@@ -163,6 +175,4 @@ config MACH_RD88F6183AP_GE
 	  Say 'Y' here if you want your kernel to support the
 	  Marvell Orion-1-90 (88F6183) AP GE RD.
 
-endmenu
-
 endif
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index a1e0fbe6a7a1..4b2502b4ca0d 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -1,3 +1,5 @@
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/arch/arm/plat-orion/include
+
 obj-y				+= common.o pci.o irq.o mpp.o
 obj-$(CONFIG_MACH_DB88F5281)	+= db88f5281-setup.o
 obj-$(CONFIG_MACH_RD88F5182)	+= rd88f5182-setup.o
diff --git a/arch/arm/mach-orion5x/include/mach/uncompress.h b/arch/arm/mach-orion5x/include/mach/uncompress.h
deleted file mode 100644
index 25e5cb98fecc..000000000000
--- a/arch/arm/mach-orion5x/include/mach/uncompress.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Tzachi Perelstein <tzachi@marvell.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/serial_reg.h>
-
-#define UART0_PHYS_BASE (0xf1000000 + 0x12000)
-#define SERIAL_BASE	((unsigned char *)UART0_PHYS_BASE)
-
-static void putc(const char c)
-{
-	unsigned char *base = SERIAL_BASE;
-	int i;
-
-	for (i = 0; i < 0x1000; i++) {
-		if (base[UART_LSR << 2] & UART_LSR_THRE)
-			break;
-		barrier();
-	}
-
-	base[UART_TX << 2] = c;
-}
-
-static void flush(void)
-{
-	unsigned char *base = SERIAL_BASE;
-	unsigned char mask;
-	int i;
-
-	mask = UART_LSR_TEMT | UART_LSR_THRE;
-
-	for (i = 0; i < 0x1000; i++) {
-		if ((base[UART_LSR << 2] & mask) == mask)
-			break;
-		barrier();
-	}
-}
-
-/*
- * nothing to do
- */
-#define arch_decomp_setup()