diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 37a3a0947e4e..fceb014c54a1 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -609,32 +609,6 @@ config ARCH_S3C24XX
 	  (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the
 	  Samsung SMDK2410 development board (and derivatives).
 
-config ARCH_S3C64XX
-	bool "Samsung S3C64XX"
-	select ARCH_REQUIRE_GPIOLIB
-	select ARM_AMBA
-	select ARM_VIC
-	select ATAGS
-	select CLKDEV_LOOKUP
-	select CLKSRC_SAMSUNG_PWM
-	select COMMON_CLK_SAMSUNG
-	select CPU_V6K
-	select GENERIC_CLOCKEVENTS
-	select GPIO_SAMSUNG
-	select HAVE_S3C2410_I2C if I2C
-	select HAVE_S3C2410_WATCHDOG if WATCHDOG
-	select HAVE_TCM
-	select NO_IOPORT_MAP
-	select PLAT_SAMSUNG
-	select PM_GENERIC_DOMAINS if PM
-	select S3C_DEV_NAND
-	select S3C_GPIO_TRACK
-	select SAMSUNG_ATAGS
-	select SAMSUNG_WAKEMASK if PM
-	select SAMSUNG_WDT_RESET
-	help
-	  Samsung S3C64XX series based systems
-
 config ARCH_DAVINCI
 	bool "TI DaVinci"
 	select ARCH_HAS_HOLES_MEMORYMODEL
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 58f40f123316..f5af8242358d 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -9,6 +9,9 @@ CONFIG_PERF_EVENTS=y
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_PARTITION_ADVANCED=y
+CONFIG_ARCH_MULTI_V7=y
+# CONFIG_ARCH_MULTI_V5 if not set
+# CONFIG_ARCH_MULTI_V4 if not set
 CONFIG_ARCH_VIRT=y
 CONFIG_ARCH_MVEBU=y
 CONFIG_MACH_ARMADA_370=y
diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index eff95e950d81..77dc554435ce 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -2,6 +2,29 @@
 #	Simtec Electronics, Ben Dooks <ben@simtec.co.uk>
 #
 # Licensed under GPLv2
+menuconfig ARCH_S3C64XX
+	bool "Samsung S3C64XX" if ARCH_MULTI_V6
+	select ARCH_REQUIRE_GPIOLIB
+	select ARM_AMBA
+	select ARM_VIC
+	select ATAGS
+	select CLKSRC_SAMSUNG_PWM
+	select COMMON_CLK_SAMSUNG
+	select CPU_V6K
+	select GENERIC_CLOCKEVENTS
+	select GPIO_SAMSUNG
+	select HAVE_S3C2410_I2C if I2C
+	select HAVE_S3C2410_WATCHDOG if WATCHDOG
+	select HAVE_TCM
+	select PLAT_SAMSUNG
+	select PM_GENERIC_DOMAINS if PM
+	select S3C_DEV_NAND
+	select S3C_GPIO_TRACK
+	select SAMSUNG_ATAGS
+	select SAMSUNG_WAKEMASK if PM
+	select SAMSUNG_WDT_RESET
+	help
+	  Samsung S3C64XX series based systems
 
 if ARCH_S3C64XX
 
diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index 811593ae54b2..2e4537fc73a8 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -5,6 +5,9 @@
 #
 # Licensed under GPLv2
 
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include -I$(srctree)/arch/arm/plat-samsung/include
+asflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include -I$(srctree)/arch/arm/plat-samsung/include
+
 obj-y				:=
 obj-m				:=
 obj-n				:=
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
index 5c45aae675b6..5776355ede24 100644
--- a/arch/arm/mach-s3c64xx/common.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -40,6 +40,7 @@
 #include <asm/system_misc.h>
 
 #include <mach/map.h>
+#include <mach/irqs.h>
 #include <mach/hardware.h>
 #include <mach/regs-gpio.h>
 #include <mach/gpio-samsung.h>
diff --git a/arch/arm/mach-s3c64xx/dev-uart.c b/arch/arm/mach-s3c64xx/dev-uart.c
index 46e18d77ea93..a0b4f0329811 100644
--- a/arch/arm/mach-s3c64xx/dev-uart.c
+++ b/arch/arm/mach-s3c64xx/dev-uart.c
@@ -23,6 +23,7 @@
 #include <asm/mach/irq.h>
 #include <mach/hardware.h>
 #include <mach/map.h>
+#include <mach/irqs.h>
 
 #include <plat/devs.h>
 
diff --git a/arch/arm/mach-s3c64xx/include/mach/irqs.h b/arch/arm/mach-s3c64xx/include/mach/irqs.h
index 67bbd1dd04c2..97a3d25a325e 100644
--- a/arch/arm/mach-s3c64xx/include/mach/irqs.h
+++ b/arch/arm/mach-s3c64xx/include/mach/irqs.h
@@ -174,7 +174,7 @@
 
 /* Set the default NR_IRQS */
 
-#define NR_IRQS	(IRQ_BOARD_END + 1)
+#define S3C64XX_NR_IRQS	(IRQ_BOARD_END + 1)
 
 /* Compatibility */
 
diff --git a/arch/arm/mach-s3c64xx/include/mach/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h
index a30a1e3ffc6a..32d2ff54f82d 100644
--- a/arch/arm/mach-s3c64xx/include/mach/pm-core.h
+++ b/arch/arm/mach-s3c64xx/include/mach/pm-core.h
@@ -18,6 +18,7 @@
 #include <linux/serial_s3c.h>
 
 #include <mach/regs-gpio.h>
+#include <mach/regs-clock.h>
 
 static inline void s3c_pm_debug_init_uart(void)
 {
diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c
index 60576dfbea8d..4fe7e96be3e2 100644
--- a/arch/arm/mach-s3c64xx/mach-anw6410.c
+++ b/arch/arm/mach-s3c64xx/mach-anw6410.c
@@ -47,6 +47,7 @@
 
 #include <plat/devs.h>
 #include <plat/cpu.h>
+#include <mach/irqs.h>
 #include <mach/regs-gpio.h>
 #include <mach/gpio-samsung.h>
 #include <plat/samsung-time.h>
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
index 9c00d83f7151..1c8e2c30fe3d 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410-module.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c
@@ -29,6 +29,8 @@
 
 #include <linux/platform_data/spi-s3c64xx.h>
 
+#include <mach/irqs.h>
+
 #include "crag6410.h"
 
 static struct s3c64xx_spi_csinfo wm0010_spi_csinfo = {
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index fe116334afda..d947c38e8307 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -51,6 +51,7 @@
 #include <mach/map.h>
 #include <mach/regs-gpio.h>
 #include <mach/gpio-samsung.h>
+#include <mach/irqs.h>
 
 #include <plat/fb.h>
 #include <plat/sdhci.h>
diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
index 9cbc07602ef3..1b04c9e24a60 100644
--- a/arch/arm/mach-s3c64xx/mach-mini6410.c
+++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
@@ -41,6 +41,7 @@
 #include <linux/platform_data/mmc-sdhci-s3c.h>
 #include <plat/sdhci.h>
 #include <linux/platform_data/touchscreen-s3c2410.h>
+#include <mach/irqs.h>
 
 #include <video/platform_lcd.h>
 #include <video/samsung_fimd.h>
diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
index fbad2af1ef16..b809f64e84d8 100644
--- a/arch/arm/mach-s3c64xx/mach-real6410.c
+++ b/arch/arm/mach-s3c64xx/mach-real6410.c
@@ -33,6 +33,7 @@
 #include <mach/map.h>
 #include <mach/regs-gpio.h>
 #include <mach/gpio-samsung.h>
+#include <mach/irqs.h>
 
 #include <plat/adc.h>
 #include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index 1dc86d76b530..3f63b7de1fb5 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -51,6 +51,7 @@
 #include <asm/mach/irq.h>
 
 #include <mach/hardware.h>
+#include <mach/irqs.h>
 #include <mach/map.h>
 
 #include <asm/irq.h>
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 3f9bb1e8431d..342ae002a0c9 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -43,7 +43,6 @@ config S3C_LOWLEVEL_UART_PORT
 
 config SAMSUNG_ATAGS
 	def_bool n
-	depends on !ARCH_MULTIPLATFORM
 	depends on ATAGS
 	help
 	   This option enables ATAGS based boot support code for
@@ -74,6 +73,7 @@ config S3C_GPIO_TRACK
 
 config S3C_ADC
 	bool "ADC common driver support"
+	depends on !ARCH_MULTIPLATFORM
 	help
 	  Core support for the ADC block found in the Samsung SoC systems
 	  for drivers such as the touchscreen and hwmon to use to share
@@ -289,6 +289,9 @@ config SAMSUNG_WDT_RESET
 	  Compile support for system restart by triggering watchdog reset.
 	  Used on SoCs that do not provide dedicated reset control.
 
+config GPIO_SAMSUNG
+	def_bool SAMSUNG_ATAGS
+
 config DEBUG_S3C_UART
 	depends on PLAT_SAMSUNG
 	int
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 3270842653ee..e7eeebdfa39d 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -4,7 +4,8 @@
 #
 # Licensed under GPLv2
 
-ccflags-$(CONFIG_ARCH_MULTI_V7) += -I$(srctree)/$(src)/include
+ccflags-$(CONFIG_ARCH_S3C64XX) := -I$(srctree)/arch/arm/mach-s3c64xx/include
+ccflags-$(CONFIG_ARCH_MULTIPLATFORM) += -I$(srctree)/$(src)/include
 
 obj-y				:=
 obj-m				:=
@@ -37,6 +38,8 @@ obj-$(CONFIG_S3C_DMA)		+= dma.o s3c-dma-ops.o
 
 obj-$(CONFIG_SAMSUNG_DMADEV)	+= dma-ops.o
 
+obj-$(CONFIG_GPIO_SAMSUNG)	+= gpio-samsung.o
+
 # PM support
 
 samsung-pm-$(CONFIG_SAMSUNG_PM)	+= pm.o
diff --git a/drivers/gpio/gpio-samsung.c b/arch/arm/plat-samsung/gpio-samsung.c
similarity index 99%
rename from drivers/gpio/gpio-samsung.c
rename to arch/arm/plat-samsung/gpio-samsung.c
index 27298fd212d7..e2b0160c909c 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/arch/arm/plat-samsung/gpio-samsung.c
@@ -30,6 +30,7 @@
 
 #include <asm/irq.h>
 
+#include <mach/irqs.h>
 #include <mach/map.h>
 #include <mach/regs-gpio.h>
 
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 88691efa5f1a..d262e7cdbef7 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -273,13 +273,6 @@ config GPIO_RCAR
 	help
 	  Say yes here to support GPIO on Renesas R-Car SoCs.
 
-config GPIO_SAMSUNG
-	bool
-	depends on PLAT_SAMSUNG
-	help
-	  Legacy GPIO support. Use only for platforms without support for
-	  pinctrl.
-
 config GPIO_SCH311X
 	tristate "SMSC SCH311x SuperI/O GPIO"
 	help
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 5d024e396622..53a86f3c8623 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -70,7 +70,6 @@ obj-$(CONFIG_GPIO_PXA)		+= gpio-pxa.o
 obj-$(CONFIG_GPIO_RC5T583)	+= gpio-rc5t583.o
 obj-$(CONFIG_GPIO_RDC321X)	+= gpio-rdc321x.o
 obj-$(CONFIG_GPIO_RCAR)		+= gpio-rcar.o
-obj-$(CONFIG_GPIO_SAMSUNG)	+= gpio-samsung.o
 obj-$(CONFIG_ARCH_SA1100)	+= gpio-sa1100.o
 obj-$(CONFIG_GPIO_SCH)		+= gpio-sch.o
 obj-$(CONFIG_GPIO_SCH311X)	+= gpio-sch311x.o
