arm: use >4.9 kernel for versatile nommu

7 files changed, 245 insertions, 18 deletions

diff --git a/target/arm/Makefile b/target/arm/Makefile
index 0965f60be..3be194688 100644
--- a/target/arm/Makefile
+++ b/target/arm/Makefile
@@ -33,11 +33,7 @@ ifeq ($(ADK_TARGET_SYSTEM_QEMU_ARM_REALVIEW_EB_MPCORE),y)
 QEMU_ARGS+=-M realview-eb-mpcore -net user -net nic
 endif
 ifeq ($(ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB)$(ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB_NOMMU),y)
-ifeq ($(ADK_TARGET_WITH_DEVICETREE),y)
 QEMU_ARGS+=-M versatilepb -net user -net nic,model=smc91c111 -dtb $(FW_DIR)/versatile-pb.dtb
-else
-QEMU_ARGS+=-M versatilepb -net user -net nic,model=smc91c111
-endif
 endif
 ifeq ($(ADK_TARGET_SYSTEM_QEMU_ARM_VEXPRESS_A9),y)
 QEMU_ARGS+=-M vexpress-a9 -cpu cortex-a9 -m 256 -net user -net nic,model=lan9118 -dtb $(FW_DIR)/vexpress-v2p-ca9.dtb
@@ -168,7 +164,6 @@ ifeq ($(ADK_TARGET_FS),squashfs)
 endif
 
 dtb-install:
-ifeq ($(ADK_TARGET_WITH_DEVICETREE),y)
 ifeq ($(ADK_TARGET_SYSTEM_QEMU_ARM_XILINX_ZYNQ),y)
 	env $(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) \
 		dtbs $(MAKE_TRACE)
@@ -179,7 +174,7 @@ ifeq ($(ADK_TARGET_SYSTEM_QEMU_ARM_VEXPRESS_A9),y)
 endif
 ifeq ($(ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB)$(ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB_NOMMU),y)
 	env $(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) \
-		dtbs $(MAKE_TRACE)
+		versatile-pb.dtb $(MAKE_TRACE)
 endif
 ifeq ($(ADK_TARGET_SYSTEM_PHYTEC_WEGA),y)
 	env $(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) \
@@ -224,7 +219,6 @@ endif
 		[[ -e "$$x" ]] && cp $(LINUX_DIR)/arch/arm/boot/dts/*.dtb $(FW_DIR); \
 		break; \
 	done
-endif
 
 # filesystem specific targets
 ifeq ($(ADK_TARGET_FS),archive)
diff --git a/target/arm/kernel/qemu-arm-versatilepb-nommu b/target/arm/kernel/qemu-arm-versatilepb-nommu
index 3d7b851e4..74717d283 100644
--- a/target/arm/kernel/qemu-arm-versatilepb-nommu
+++ b/target/arm/kernel/qemu-arm-versatilepb-nommu
@@ -1,4 +1,5 @@
 CONFIG_ARM=y
+CONFIG_ARM_SINGLE_ARCH_VERSATILE=y
 CONFIG_ARCH_VERSATILE=y
 CONFIG_KUSER_HELPERS=y
 CONFIG_ATAGS=y
@@ -8,7 +9,6 @@ CONFIG_DRAM_BASE=0x00000000
 CONFIG_DRAM_SIZE=0x08000000
 CONFIG_ARCH_VERSATILE_PB=y
 CONFIG_MACH_VERSATILE_AB=y
-# CONFIG_MACH_VERSATILE_DT is not set
 CONFIG_PLAT_VERSATILE_CLOCK=y
 CONFIG_PLAT_VERSATILE_SCHED_CLOCK=y
 CONFIG_PLAT_VERSATILE=y
diff --git a/target/config/Config.in.archopts b/target/config/Config.in.archopts
index aa4926c2a..e6d5cf00e 100644
--- a/target/config/Config.in.archopts
+++ b/target/config/Config.in.archopts
@@ -35,9 +35,3 @@ config ADK_TARGET_NAN_MODE
 	string
 	default "legacy" if ADK_TARGET_ARCH_MIPS_WITH_NAN_LEGACY
 	default "2008" if ADK_TARGET_ARCH_MIPS_WITH_NAN_2008
-
-config ADK_TARGET_WITH_DEVICETREE
-	bool
-	depends on ADK_TARGET_ARCH_ARM
-	default y if !ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB_NOMMU
-	default n
diff --git a/target/linux/Config.in.kernelversion b/target/linux/Config.in.kernelversion
index 3990481cf..c2af39396 100644
--- a/target/linux/Config.in.kernelversion
+++ b/target/linux/Config.in.kernelversion
@@ -15,7 +15,6 @@ default ADK_TARGET_LINUX_KERNEL_VERSION_GIT if ADK_TARGET_ARCH_LM32
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_4 if ADK_TARGET_ARCH_CRIS
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_4 if ADK_TARGET_ARCH_H8300
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_4 if ADK_TARGET_ARCH_METAG
-default ADK_TARGET_LINUX_KERNEL_VERSION_4_4 if ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB_NOMMU
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_4 if ADK_TARGET_SYSTEM_QEMU_ARM_REALVIEW_EB_MPCORE
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_15 if ADK_TARGET_ARCH_RISCV32
 default ADK_TARGET_LINUX_KERNEL_VERSION_4_15 if ADK_TARGET_ARCH_RISCV64
@@ -38,7 +37,6 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_4_15
 	depends on !ADK_TARGET_ARCH_CSKY
 	depends on !ADK_TARGET_ARCH_METAG
 	depends on !ADK_TARGET_ARCH_NDS32
-	depends on !ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB_NOMMU
 	depends on !ADK_TARGET_SYSTEM_QEMU_ARM_REALVIEW_EB_MPCORE
 
 config ADK_TARGET_LINUX_KERNEL_VERSION_4_14
@@ -50,7 +48,6 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_4_14
 	depends on !ADK_TARGET_ARCH_NDS32
 	depends on !ADK_TARGET_ARCH_RISCV32
 	depends on !ADK_TARGET_ARCH_RISCV64
-	depends on !ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB_NOMMU
 	depends on !ADK_TARGET_SYSTEM_QEMU_ARM_REALVIEW_EB_MPCORE
 
 config ADK_TARGET_LINUX_KERNEL_VERSION_4_9
@@ -62,7 +59,6 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_4_9
 	depends on !ADK_TARGET_ARCH_OR1K
 	depends on !ADK_TARGET_ARCH_RISCV32
 	depends on !ADK_TARGET_ARCH_RISCV64
-	depends on !ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB_NOMMU
 	depends on !ADK_TARGET_SYSTEM_QEMU_ARM_REALVIEW_EB_MPCORE
 	depends on !ADK_TARGET_SYSTEM_ORANGE_PI0
 
@@ -78,6 +74,7 @@ config ADK_TARGET_LINUX_KERNEL_VERSION_4_4
 	depends on !ADK_TARGET_CPU_MIPS64_MIPS64R6
 	depends on !ADK_TARGET_SYSTEM_NUMATO_MIMASV2
 	depends on !ADK_TARGET_SYSTEM_ORANGE_PI0
+	depends on !ADK_TARGET_SYSTEM_QEMU_ARM_VERSATILEPB_NOMMU
 
 config ADK_TARGET_LINUX_KERNEL_VERSION_4_1
 	bool "4.1.50"
diff --git a/target/linux/patches/4.14.30/arm-nommu.patch b/target/linux/patches/4.14.30/arm-nommu.patch
new file mode 100644
index 000000000..b91aaf712
--- /dev/null
+++ b/target/linux/patches/4.14.30/arm-nommu.patch
@@ -0,0 +1,81 @@
+diff -Nur linux-4.14.30.orig/arch/arm/Kconfig linux-4.14.30/arch/arm/Kconfig
+--- linux-4.14.30.orig/arch/arm/Kconfig	2018-03-24 11:01:30.000000000 +0100
++++ linux-4.14.30/arch/arm/Kconfig	2018-04-01 04:14:15.989043313 +0100
+@@ -363,6 +363,17 @@
+ 	select SPARSE_IRQ
+ 	select USE_OF
+ 
++config ARM_SINGLE_ARCH_VERSATILE
++	bool "ARM Ltd. Versatile family"
++	depends on !MMU
++	select AUTO_ZRELADDR
++	select CLKSRC_OF
++	select COMMON_CLK
++	select GENERIC_CLOCKEVENTS
++	select GPIOLIB
++	select SPARSE_IRQ
++	select USE_OF
++
+ config ARCH_EBSA110
+ 	bool "EBSA-110"
+ 	select ARCH_USES_GETTIMEOFFSET
+diff -Nur linux-4.14.30.orig/arch/arm/Kconfig.debug linux-4.14.30/arch/arm/Kconfig.debug
+--- linux-4.14.30.orig/arch/arm/Kconfig.debug	2018-03-24 11:01:30.000000000 +0100
++++ linux-4.14.30/arch/arm/Kconfig.debug	2018-04-01 04:14:15.990043300 +0100
+@@ -1777,7 +1777,8 @@
+ config UNCOMPRESS_INCLUDE
+ 	string
+ 	default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
+-					PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
++					PLAT_SAMSUNG || ARM_SINGLE_ARMV7M || \
++					ARM_SINGLE_ARCH_VERSATILE
+ 	default "mach/uncompress.h"
+ 
+ config EARLY_PRINTK
+diff -Nur linux-4.14.30.orig/arch/arm/include/asm/mach/map.h linux-4.14.30/arch/arm/include/asm/mach/map.h
+--- linux-4.14.30.orig/arch/arm/include/asm/mach/map.h	2018-03-24 11:01:30.000000000 +0100
++++ linux-4.14.30/arch/arm/include/asm/mach/map.h	2018-04-01 04:14:15.991043288 +0100
+@@ -62,6 +62,7 @@
+ #else
+ #define iotable_init(map,num)	do { } while (0)
+ #define vm_reserve_area_early(a,s,c)	do { } while (0)
++#define debug_ll_io_init()	do { } while (0)
+ #endif
+ 
+ #endif
+diff -Nur linux-4.14.30.orig/arch/arm/mach-versatile/Kconfig linux-4.14.30/arch/arm/mach-versatile/Kconfig
+--- linux-4.14.30.orig/arch/arm/mach-versatile/Kconfig	2018-03-24 11:01:30.000000000 +0100
++++ linux-4.14.30/arch/arm/mach-versatile/Kconfig	2018-04-01 04:14:15.992043275 +0100
+@@ -1,7 +1,8 @@
+ # SPDX-License-Identifier: GPL-2.0
+ config ARCH_VERSATILE
+-	bool "ARM Ltd. Versatile family"
+-	depends on ARCH_MULTI_V5
++	bool "ARM Ltd. Versatile family" if ARCH_MULTI_V5
++	depends on ARCH_MULTI_V5 || ARM_SINGLE_ARCH_VERSATILE
++	default y if ARM_SINGLE_ARCH_VERSATILE
+ 	select ARM_AMBA
+ 	select ARM_TIMER_SP804
+ 	select ARM_VIC
+diff -Nur linux-4.14.30.orig/arch/arm/mach-versatile/Makefile.boot linux-4.14.30/arch/arm/mach-versatile/Makefile.boot
+--- linux-4.14.30.orig/arch/arm/mach-versatile/Makefile.boot	1970-01-01 01:00:00.000000000 +0100
++++ linux-4.14.30/arch/arm/mach-versatile/Makefile.boot	2018-04-01 04:14:15.992043275 +0100
+@@ -0,0 +1,3 @@
++# Empty file waiting for deletion once Makefile.boot isn't needed any more.
++# Patch waits for application at
++# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 .
+diff -Nur linux-4.14.30.orig/arch/arm/mach-versatile/versatile_dt.c linux-4.14.30/arch/arm/mach-versatile/versatile_dt.c
+--- linux-4.14.30.orig/arch/arm/mach-versatile/versatile_dt.c	2018-03-24 11:01:30.000000000 +0100
++++ linux-4.14.30/arch/arm/mach-versatile/versatile_dt.c	2018-04-01 04:14:15.992043275 +0100
+@@ -37,7 +37,11 @@
+ #include <asm/mach/map.h>
+ 
+ /* macro to get at MMIO space when running virtually */
++#ifdef CONFIG_MMU
+ #define IO_ADDRESS(x)		(((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
++#else
++#define IO_ADDRESS(x)		(x)
++#endif
+ #define __io_address(n)		((void __iomem __force *)IO_ADDRESS(n))
+ 
+ /*
diff --git a/target/linux/patches/4.15.13/arm-nommu.patch b/target/linux/patches/4.15.13/arm-nommu.patch
new file mode 100644
index 000000000..2480b5169
--- /dev/null
+++ b/target/linux/patches/4.15.13/arm-nommu.patch
@@ -0,0 +1,81 @@
+diff -Nur linux-4.15.13.orig/arch/arm/Kconfig linux-4.15.13/arch/arm/Kconfig
+--- linux-4.15.13.orig/arch/arm/Kconfig	2018-03-24 11:02:53.000000000 +0100
++++ linux-4.15.13/arch/arm/Kconfig	2018-04-01 03:47:33.415078244 +0100
+@@ -355,6 +355,17 @@
+ 	select SPARSE_IRQ
+ 	select USE_OF
+ 
++config ARM_SINGLE_ARCH_VERSATILE
++	bool "ARM Ltd. Versatile family"
++	depends on !MMU
++	select AUTO_ZRELADDR
++	select CLKSRC_OF
++	select COMMON_CLK
++	select GENERIC_CLOCKEVENTS
++	select GPIOLIB
++	select SPARSE_IRQ
++	select USE_OF
++
+ config ARCH_EBSA110
+ 	bool "EBSA-110"
+ 	select ARCH_USES_GETTIMEOFFSET
+diff -Nur linux-4.15.13.orig/arch/arm/Kconfig.debug linux-4.15.13/arch/arm/Kconfig.debug
+--- linux-4.15.13.orig/arch/arm/Kconfig.debug	2018-03-24 11:02:53.000000000 +0100
++++ linux-4.15.13/arch/arm/Kconfig.debug	2018-04-01 03:47:33.416078232 +0100
+@@ -1795,7 +1795,8 @@
+ config UNCOMPRESS_INCLUDE
+ 	string
+ 	default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
+-					PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
++					PLAT_SAMSUNG || ARM_SINGLE_ARMV7M || \
++					ARM_SINGLE_ARCH_VERSATILE
+ 	default "mach/uncompress.h"
+ 
+ config EARLY_PRINTK
+diff -Nur linux-4.15.13.orig/arch/arm/include/asm/mach/map.h linux-4.15.13/arch/arm/include/asm/mach/map.h
+--- linux-4.15.13.orig/arch/arm/include/asm/mach/map.h	2018-03-24 11:02:53.000000000 +0100
++++ linux-4.15.13/arch/arm/include/asm/mach/map.h	2018-04-01 03:47:17.587276119 +0100
+@@ -62,6 +62,7 @@
+ #else
+ #define iotable_init(map,num)	do { } while (0)
+ #define vm_reserve_area_early(a,s,c)	do { } while (0)
++#define debug_ll_io_init()	do { } while (0)
+ #endif
+ 
+ #endif
+diff -Nur linux-4.15.13.orig/arch/arm/mach-versatile/Kconfig linux-4.15.13/arch/arm/mach-versatile/Kconfig
+--- linux-4.15.13.orig/arch/arm/mach-versatile/Kconfig	2018-03-24 11:02:53.000000000 +0100
++++ linux-4.15.13/arch/arm/mach-versatile/Kconfig	2018-04-01 03:47:33.417078219 +0100
+@@ -1,7 +1,8 @@
+ # SPDX-License-Identifier: GPL-2.0
+ config ARCH_VERSATILE
+-	bool "ARM Ltd. Versatile family"
+-	depends on ARCH_MULTI_V5
++	bool "ARM Ltd. Versatile family" if ARCH_MULTI_V5
++	depends on ARCH_MULTI_V5 || ARM_SINGLE_ARCH_VERSATILE
++	default y if ARM_SINGLE_ARCH_VERSATILE
+ 	select ARM_AMBA
+ 	select ARM_TIMER_SP804
+ 	select ARM_VIC
+diff -Nur linux-4.15.13.orig/arch/arm/mach-versatile/Makefile.boot linux-4.15.13/arch/arm/mach-versatile/Makefile.boot
+--- linux-4.15.13.orig/arch/arm/mach-versatile/Makefile.boot	1970-01-01 01:00:00.000000000 +0100
++++ linux-4.15.13/arch/arm/mach-versatile/Makefile.boot	2018-04-01 03:47:25.644175394 +0100
+@@ -0,0 +1,3 @@
++# Empty file waiting for deletion once Makefile.boot isn't needed any more.
++# Patch waits for application at
++# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 .
+diff -Nur linux-4.15.13.orig/arch/arm/mach-versatile/versatile_dt.c linux-4.15.13/arch/arm/mach-versatile/versatile_dt.c
+--- linux-4.15.13.orig/arch/arm/mach-versatile/versatile_dt.c	2018-03-24 11:02:53.000000000 +0100
++++ linux-4.15.13/arch/arm/mach-versatile/versatile_dt.c	2018-04-01 03:47:10.913359555 +0100
+@@ -37,7 +37,11 @@
+ #include <asm/mach/map.h>
+ 
+ /* macro to get at MMIO space when running virtually */
++#ifdef CONFIG_MMU
+ #define IO_ADDRESS(x)		(((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
++#else
++#define IO_ADDRESS(x)		(x)
++#endif
+ #define __io_address(n)		((void __iomem __force *)IO_ADDRESS(n))
+ 
+ /*
diff --git a/target/linux/patches/4.9.88/arm-nommu.patch b/target/linux/patches/4.9.88/arm-nommu.patch
new file mode 100644
index 000000000..a9e80f197
--- /dev/null
+++ b/target/linux/patches/4.9.88/arm-nommu.patch
@@ -0,0 +1,80 @@
+diff -Nur linux-4.9.88.orig/arch/arm/Kconfig linux-4.9.88/arch/arm/Kconfig
+--- linux-4.9.88.orig/arch/arm/Kconfig	2018-03-18 11:18:56.000000000 +0100
++++ linux-4.9.88/arch/arm/Kconfig	2018-04-01 04:36:26.415410694 +0100
+@@ -362,6 +362,17 @@
+ 	help
+ 	  Support for the Cortina Systems Gemini family SoCs
+ 
++config ARM_SINGLE_ARCH_VERSATILE
++	bool "ARM Ltd. Versatile family"
++	depends on !MMU
++	select AUTO_ZRELADDR
++	select CLKSRC_OF
++	select COMMON_CLK
++	select GENERIC_CLOCKEVENTS
++	select GPIOLIB
++	select SPARSE_IRQ
++	select USE_OF
++
+ config ARCH_EBSA110
+ 	bool "EBSA-110"
+ 	select ARCH_USES_GETTIMEOFFSET
+diff -Nur linux-4.9.88.orig/arch/arm/Kconfig.debug linux-4.9.88/arch/arm/Kconfig.debug
+--- linux-4.9.88.orig/arch/arm/Kconfig.debug	2018-03-18 11:18:56.000000000 +0100
++++ linux-4.9.88/arch/arm/Kconfig.debug	2018-04-01 04:36:26.415410694 +0100
+@@ -1712,7 +1712,8 @@
+ config UNCOMPRESS_INCLUDE
+ 	string
+ 	default "debug/uncompress.h" if ARCH_MULTIPLATFORM || ARCH_MSM || \
+-					PLAT_SAMSUNG || ARM_SINGLE_ARMV7M
++					PLAT_SAMSUNG || ARM_SINGLE_ARMV7M || \
++					ARM_SINGLE_ARCH_VERSATILE
+ 	default "mach/uncompress.h"
+ 
+ config EARLY_PRINTK
+diff -Nur linux-4.9.88.orig/arch/arm/include/asm/mach/map.h linux-4.9.88/arch/arm/include/asm/mach/map.h
+--- linux-4.9.88.orig/arch/arm/include/asm/mach/map.h	2018-03-18 11:18:56.000000000 +0100
++++ linux-4.9.88/arch/arm/include/asm/mach/map.h	2018-04-01 04:36:26.416410682 +0100
+@@ -62,6 +62,7 @@
+ #else
+ #define iotable_init(map,num)	do { } while (0)
+ #define vm_reserve_area_early(a,s,c)	do { } while (0)
++#define debug_ll_io_init()	do { } while (0)
+ #endif
+ 
+ #endif
+diff -Nur linux-4.9.88.orig/arch/arm/mach-versatile/Kconfig linux-4.9.88/arch/arm/mach-versatile/Kconfig
+--- linux-4.9.88.orig/arch/arm/mach-versatile/Kconfig	2018-03-18 11:18:56.000000000 +0100
++++ linux-4.9.88/arch/arm/mach-versatile/Kconfig	2018-04-01 04:37:41.424472952 +0100
+@@ -1,6 +1,7 @@
+ config ARCH_VERSATILE
+-	bool "ARM Ltd. Versatile family"
+-	depends on ARCH_MULTI_V5
++	bool "ARM Ltd. Versatile family" if ARCH_MULTI_V5
++	depends on ARCH_MULTI_V5 || ARM_SINGLE_ARCH_VERSATILE
++	default y if ARM_SINGLE_ARCH_VERSATILE
+ 	select ARM_AMBA
+ 	select ARM_TIMER_SP804
+ 	select ARM_VIC
+diff -Nur linux-4.9.88.orig/arch/arm/mach-versatile/Makefile.boot linux-4.9.88/arch/arm/mach-versatile/Makefile.boot
+--- linux-4.9.88.orig/arch/arm/mach-versatile/Makefile.boot	1970-01-01 01:00:00.000000000 +0100
++++ linux-4.9.88/arch/arm/mach-versatile/Makefile.boot	2018-04-01 04:36:26.417410669 +0100
+@@ -0,0 +1,3 @@
++# Empty file waiting for deletion once Makefile.boot isn't needed any more.
++# Patch waits for application at
++# http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 .
+diff -Nur linux-4.9.88.orig/arch/arm/mach-versatile/versatile_dt.c linux-4.9.88/arch/arm/mach-versatile/versatile_dt.c
+--- linux-4.9.88.orig/arch/arm/mach-versatile/versatile_dt.c	2018-03-18 11:18:56.000000000 +0100
++++ linux-4.9.88/arch/arm/mach-versatile/versatile_dt.c	2018-04-01 04:36:26.417410669 +0100
+@@ -37,7 +37,11 @@
+ #include <asm/mach/map.h>
+ 
+ /* macro to get at MMIO space when running virtually */
++#ifdef CONFIG_MMU
+ #define IO_ADDRESS(x)		(((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + 0xf0000000)
++#else
++#define IO_ADDRESS(x)		(x)
++#endif
+ #define __io_address(n)		((void __iomem __force *)IO_ADDRESS(n))
+ 
+ /*