ARM: Merge next-samsung-s3c244x-merge

Merge branch 'next-samsung-s3c244x-merge' into next-samsung

24 files changed, 117 insertions, 189 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3bc5169f0f8..63f726f594f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -794,7 +794,6 @@ source "arch/arm/mach-s3c2400/Kconfig"
 source "arch/arm/mach-s3c2410/Kconfig"
 source "arch/arm/mach-s3c2412/Kconfig"
 source "arch/arm/mach-s3c2440/Kconfig"
-source "arch/arm/mach-s3c2442/Kconfig"
 source "arch/arm/mach-s3c2443/Kconfig"
 endif
 
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index bbcd512ccf7..893bcfc7770 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -158,7 +158,7 @@ machine-$(CONFIG_ARCH_PNX4008)		:= pnx4008
 machine-$(CONFIG_ARCH_PXA)		:= pxa
 machine-$(CONFIG_ARCH_REALVIEW)		:= realview
 machine-$(CONFIG_ARCH_RPC)		:= rpc
-machine-$(CONFIG_ARCH_S3C2410)		:= s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
+machine-$(CONFIG_ARCH_S3C2410)		:= s3c2410 s3c2400 s3c2412 s3c2440 s3c2443
 machine-$(CONFIG_ARCH_S3C24A0)		:= s3c24a0
 machine-$(CONFIG_ARCH_S3C64XX)		:= s3c6400 s3c6410
 machine-$(CONFIG_ARCH_S5P6440)		:= s5p6440
diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
index 80879358eb2..7f465265cf0 100644
--- a/arch/arm/mach-s3c2440/Kconfig
+++ b/arch/arm/mach-s3c2440/Kconfig
@@ -15,14 +15,67 @@ config CPU_S3C2440
 	help
 	  Support for S3C2440 Samsung Mobile CPU based systems.
 
+config CPU_S3C2442
+	bool
+	depends on ARCH_S3C2410
+	select CPU_ARM920T
+	select S3C2410_CLOCK
+	select S3C2410_GPIO
+	select S3C2410_PM if PM
+	select CPU_S3C244X
+	select CPU_LLSERIAL_S3C2440
+	help
+	  Support for S3C2442 Samsung Mobile CPU based systems.
+
+config CPU_S3C244X
+	bool
+	depends on ARCH_S3C2410 && (CPU_S3C2440 || CPU_S3C2442)
+	help
+	  Support for S3C2440 and S3C2442 Samsung Mobile CPU based systems.
+
+
+
+config S3C2440_CPUFREQ
+	bool "S3C2440/S3C2442 CPU Frequency scaling support"
+	depends on CPU_FREQ_S3C24XX && (CPU_S3C2440 || CPU_S3C2442)
+	select S3C2410_CPUFREQ_UTILS
+	default y
+	help
+	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
+
+config S3C2440_XTAL_12000000
+	bool
+	help
+	  Indicate that the build needs to support 12MHz system
+	  crystal.
+
+config S3C2440_XTAL_16934400
+	bool
+	help
+	  Indicate that the build needs to support 16.9344MHz system
+	  crystal.
+
+config S3C2440_PLL_12000000
+	bool
+	depends on S3C2440_CPUFREQ && S3C2440_XTAL_12000000
+	default y if CPU_FREQ_S3C24XX_PLL
+	help
+	  PLL tables for S3C2440 or S3C2442 CPUs with 12MHz crystals.
+
+config S3C2440_PLL_16934400
+	bool
+	depends on S3C2440_CPUFREQ && S3C2440_XTAL_16934400
+	default y if CPU_FREQ_S3C24XX_PLL
+	help
+	  PLL tables for S3C2440 or S3C2442 CPUs with 16.934MHz crystals.
+
 config S3C2440_DMA
 	bool
 	depends on ARCH_S3C2410 && CPU_S3C24405B
 	help
 	  Support for S3C2440 specific DMA code5A
 
-
-menu "S3C2440 Machines"
+menu "S3C2440 and S3C2442 Machines"
 
 config MACH_ANUBIS
 	bool "Simtec Electronics ANUBIS"
@@ -37,6 +90,18 @@ config MACH_ANUBIS
 	  Say Y here if you are using the Simtec Electronics ANUBIS
 	  development system
 
+config MACH_NEO1973_GTA02
+	bool "Openmoko GTA02 / Freerunner phone"
+	select CPU_S3C2442
+	select MFD_PCF50633
+	select PCF50633_GPIO
+	select I2C
+	select POWER_SUPPLY
+	select MACH_NEO1973
+	select S3C2410_PWM
+	help
+	   Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone
+
 config MACH_OSIRIS
 	bool "Simtec IM2440D20 (OSIRIS) module"
 	select CPU_S3C2440
@@ -94,11 +159,14 @@ config MACH_NEXCODER_2440
 
 config SMDK2440_CPU2440
 	bool "SMDK2440 with S3C2440 CPU module"
-	depends on ARCH_S3C2440
 	default y if ARCH_S3C2440
 	select S3C2440_XTAL_16934400
 	select CPU_S3C2440
 
+config SMDK2440_CPU2442
+	bool "SMDM2440 with S3C2442 CPU module"
+	select CPU_S3C2442
+
 config MACH_AT2440EVB
 	bool "Avantech AT2440EVB development board"
 	select CPU_S3C2440
diff --git a/arch/arm/mach-s3c2440/Makefile b/arch/arm/mach-s3c2440/Makefile
index 5f322453188..c85ba32d895 100644
--- a/arch/arm/mach-s3c2440/Makefile
+++ b/arch/arm/mach-s3c2440/Makefile
@@ -10,10 +10,20 @@ obj-n				:=
 obj-				:=
 
 obj-$(CONFIG_CPU_S3C2440)	+= s3c2440.o dsc.o
+obj-$(CONFIG_CPU_S3C2442)	+= s3c2442.o
+
 obj-$(CONFIG_CPU_S3C2440)	+= irq.o
 obj-$(CONFIG_CPU_S3C2440)	+= clock.o
 obj-$(CONFIG_S3C2440_DMA)	+= dma.o
 
+obj-$(CONFIG_CPU_S3C244X)	+= s3c244x.o
+obj-$(CONFIG_CPU_S3C244X)	+= s3c244x-irq.o
+obj-$(CONFIG_CPU_S3C244X)	+= s3c244x-clock.o
+obj-$(CONFIG_S3C2440_CPUFREQ)	+= s3c2440-cpufreq.o
+
+obj-$(CONFIG_S3C2440_PLL_12000000) += s3c2440-pll-12000000.o
+obj-$(CONFIG_S3C2440_PLL_16934400) += s3c2440-pll-16934400.o
+
 # Machine support
 
 obj-$(CONFIG_MACH_ANUBIS)	+= mach-anubis.o
@@ -23,6 +33,7 @@ obj-$(CONFIG_ARCH_S3C2440)	+= mach-smdk2440.o
 obj-$(CONFIG_MACH_NEXCODER_2440) += mach-nexcoder.o
 obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o
 obj-$(CONFIG_MACH_MINI2440) += mach-mini2440.o
+obj-$(CONFIG_MACH_NEO1973_GTA02) += mach-gta02.o
 
 # extra machine support
 
diff --git a/arch/arm/mach-s3c2440/dsc.c b/arch/arm/mach-s3c2440/dsc.c
index 55404427277..9ea66e31f62 100644
--- a/arch/arm/mach-s3c2440/dsc.c
+++ b/arch/arm/mach-s3c2440/dsc.c
@@ -28,7 +28,7 @@
 #include <mach/regs-dsc.h>
 
 #include <plat/cpu.h>
-#include <plat/s3c2440.h>
+#include <plat/s3c244x.h>
 
 int s3c2440_set_dsc(unsigned int pin, unsigned int value)
 {
diff --git a/arch/arm/mach-s3c2442/include/mach/gta02.h b/arch/arm/mach-s3c2440/include/mach/gta02.h
index 953331d8d56..953331d8d56 100644
--- a/arch/arm/mach-s3c2442/include/mach/gta02.h
+++ b/arch/arm/mach-s3c2440/include/mach/gta02.h
diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
index 45799c608d8..45799c608d8 100644
--- a/arch/arm/mach-s3c2442/mach-gta02.c
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
diff --git a/arch/arm/mach-s3c2440/mach-nexcoder.c b/arch/arm/mach-s3c2440/mach-nexcoder.c
index 86a243b3e37..342041593f2 100644
--- a/arch/arm/mach-s3c2440/mach-nexcoder.c
+++ b/arch/arm/mach-s3c2440/mach-nexcoder.c
@@ -41,7 +41,7 @@
 #include <plat/iic.h>
 
 #include <plat/s3c2410.h>
-#include <plat/s3c2440.h>
+#include <plat/s3c244x.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c2440/mach-smdk2440.c b/arch/arm/mach-s3c2440/mach-smdk2440.c
index df3e9a3be82..3ac3d636d61 100644
--- a/arch/arm/mach-s3c2440/mach-smdk2440.c
+++ b/arch/arm/mach-s3c2440/mach-smdk2440.c
@@ -40,7 +40,7 @@
 #include <plat/iic.h>
 
 #include <plat/s3c2410.h>
-#include <plat/s3c2440.h>
+#include <plat/s3c244x.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c
index ac1f7ea5f40..2b68f7ea45a 100644
--- a/arch/arm/mach-s3c2440/s3c2440.c
+++ b/arch/arm/mach-s3c2440/s3c2440.c
@@ -29,9 +29,9 @@
 #include <mach/hardware.h>
 #include <asm/irq.h>
 
-#include <plat/s3c2440.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
+#include <plat/s3c244x.h>
 
 static struct sys_device s3c2440_sysdev = {
 	.cls		= &s3c2440_sysclass,
diff --git a/arch/arm/mach-s3c2442/clock.c b/arch/arm/mach-s3c2440/s3c2442.c
index d9b692a1248..188ad1e57dc 100644
--- a/arch/arm/mach-s3c2442/clock.c
+++ b/arch/arm/mach-s3c2440/s3c2442.c
@@ -1,10 +1,10 @@
-/* linux/arch/arm/mach-s3c2442/clock.c
+/* linux/arch/arm/mach-s3c2442/s3c2442.c
  *
  * Copyright (c) 2004-2005 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
  *	Ben Dooks <ben@simtec.co.uk>
  *
- * S3C2442 Clock support
+ * S3C2442 core and lock support
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -151,3 +151,15 @@ static __init int s3c2442_clk_init(void)
 }
 
 arch_initcall(s3c2442_clk_init);
+
+
+static struct sys_device s3c2442_sysdev = {
+	.cls		= &s3c2442_sysclass,
+};
+
+int __init s3c2442_init(void)
+{
+	printk("S3C2442: Initialising architecture\n");
+
+	return sysdev_register(&s3c2442_sysdev);
+}
diff --git a/arch/arm/plat-s3c24xx/s3c244x-clock.c b/arch/arm/mach-s3c2440/s3c244x-clock.c
index f8d96130d1d..f8d96130d1d 100644
--- a/arch/arm/plat-s3c24xx/s3c244x-clock.c
+++ b/arch/arm/mach-s3c2440/s3c244x-clock.c
diff --git a/arch/arm/plat-s3c24xx/s3c244x-irq.c b/arch/arm/mach-s3c2440/s3c244x-irq.c
index a75c0c2431e..a75c0c2431e 100644
--- a/arch/arm/plat-s3c24xx/s3c244x-irq.c
+++ b/arch/arm/mach-s3c2440/s3c244x-irq.c
diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/mach-s3c2440/s3c244x.c
index 12623a474b5..5e4a97e7653 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.c
+++ b/arch/arm/mach-s3c2440/s3c244x.c
@@ -38,8 +38,7 @@
 #include <mach/regs-dsc.h>
 
 #include <plat/s3c2410.h>
-#include <plat/s3c2440.h>
-#include "s3c244x.h"
+#include <plat/s3c244x.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c2442/Kconfig b/arch/arm/mach-s3c2442/Kconfig
deleted file mode 100644
index 8d3811852fc..00000000000
--- a/arch/arm/mach-s3c2442/Kconfig
+++ /dev/null
@@ -1,37 +0,0 @@
-# Copyright 2007 Simtec Electronics
-#
-# Licensed under GPLv2
-
-config CPU_S3C2442
-	bool
-	depends on ARCH_S3C2410
-	select CPU_ARM920T
-	select S3C2410_CLOCK
-	select S3C2410_GPIO
-	select S3C2410_PM if PM
-	select CPU_S3C244X
-	select CPU_LLSERIAL_S3C2440
-	help
-	  Support for S3C2442 Samsung Mobile CPU based systems.
-
-
-menu "S3C2442 Machines"
-
-config SMDK2440_CPU2442
-	bool "SMDM2440 with S3C2442 CPU module"
-	depends on ARCH_S3C2440
-	select CPU_S3C2442
-
-config MACH_NEO1973_GTA02
-	bool "Openmoko GTA02 / Freerunner phone"
-	select CPU_S3C2442
-	select MFD_PCF50633
-	select PCF50633_GPIO
-	select I2C
-	select POWER_SUPPLY
-	select MACH_NEO1973
-	select S3C2410_PWM
-	help
-	   Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone
-
-endmenu
diff --git a/arch/arm/mach-s3c2442/Makefile b/arch/arm/mach-s3c2442/Makefile
deleted file mode 100644
index 2a19113a576..00000000000
--- a/arch/arm/mach-s3c2442/Makefile
+++ /dev/null
@@ -1,18 +0,0 @@
-# arch/arm/mach-s3c2442/Makefile
-#
-# Copyright 2007 Simtec Electronics
-#
-# Licensed under GPLv2
-
-obj-y				:=
-obj-m				:=
-obj-n				:=
-obj-				:=
-
-obj-$(CONFIG_CPU_S3C2442)	+= s3c2442.o
-obj-$(CONFIG_CPU_S3C2442)	+= clock.o
-
-obj-$(CONFIG_MACH_NEO1973_GTA02) += mach-gta02.o
-
-# Machine support
-
diff --git a/arch/arm/mach-s3c2442/s3c2442.c b/arch/arm/mach-s3c2442/s3c2442.c
deleted file mode 100644
index 4663bdc7fff..00000000000
--- a/arch/arm/mach-s3c2442/s3c2442.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/* linux/arch/arm/mach-s3c2442/s3c2442.c
- *
- * Copyright (c) 2006 Simtec Electronics
- *   Ben Dooks <ben@simtec.co.uk>
- *
- * Samsung S3C2442 Mobile CPU support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-#include <linux/serial_core.h>
-#include <linux/sysdev.h>
-
-#include <plat/s3c2442.h>
-#include <plat/cpu.h>
-
-static struct sys_device s3c2442_sysdev = {
-	.cls		= &s3c2442_sysclass,
-};
-
-int __init s3c2442_init(void)
-{
-	printk("S3C2442: Initialising architecture\n");
-
-	return sysdev_register(&s3c2442_sysdev);
-}
diff --git a/arch/arm/mach-s3c2443/mach-smdk2443.c b/arch/arm/mach-s3c2443/mach-smdk2443.c
index 039a4624310..d65afdee59c 100644
--- a/arch/arm/mach-s3c2443/mach-smdk2443.c
+++ b/arch/arm/mach-s3c2443/mach-smdk2443.c
@@ -40,7 +40,7 @@
 #include <plat/iic.h>
 
 #include <plat/s3c2410.h>
-#include <plat/s3c2440.h>
+#include <plat/s3c2443.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig
index a806f359ceb..0cc5760b668 100644
--- a/arch/arm/plat-s3c24xx/Kconfig
+++ b/arch/arm/plat-s3c24xx/Kconfig
@@ -27,46 +27,6 @@ config S3C24XX_DCLK
 	help
 	  Clock code for supporting DCLK/CLKOUT on S3C24XX architectures
 
-config CPU_S3C244X
-	bool
-	depends on ARCH_S3C2410 && (CPU_S3C2440 || CPU_S3C2442)
-	help
-	  Support for S3C2440 and S3C2442 Samsung Mobile CPU based systems.
-
-config S3C2440_CPUFREQ
-	bool "S3C2440/S3C2442 CPU Frequency scaling support"
-	depends on CPU_FREQ_S3C24XX && (CPU_S3C2440 || CPU_S3C2442)
-	select S3C2410_CPUFREQ_UTILS
-	default y
-	help
-	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
-
-config S3C2440_XTAL_12000000
-	bool
-	help
-	  Indicate that the build needs to support 12MHz system
-	  crystal.
-
-config S3C2440_XTAL_16934400
-	bool
-	help
-	  Indicate that the build needs to support 16.9344MHz system
-	  crystal.
-
-config S3C2440_PLL_12000000
-	bool
-	depends on S3C2440_CPUFREQ && S3C2440_XTAL_12000000
-	default y if CPU_FREQ_S3C24XX_PLL
-	help
-	  PLL tables for S3C2440 or S3C2442 CPUs with 12MHz crystals.
-
-config S3C2440_PLL_16934400
-	bool
-	depends on S3C2440_CPUFREQ && S3C2440_XTAL_16934400
-	default y if CPU_FREQ_S3C24XX_PLL
-	help
-	  PLL tables for S3C2440 or S3C2442 CPUs with 16.934MHz crystals.
-
 config S3C24XX_PWM
 	bool "PWM device support"
 	select HAVE_PWM
@@ -74,7 +34,6 @@ config S3C24XX_PWM
 	  Support for exporting the PWM timer blocks via the pwm device
 	  system.
 
-
 # gpio configurations
 
 config S3C24XX_GPIO_EXTRA
diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile
index e0100266d03..c2237c41141 100644
--- a/arch/arm/plat-s3c24xx/Makefile
+++ b/arch/arm/plat-s3c24xx/Makefile
@@ -25,13 +25,6 @@ obj-$(CONFIG_CPU_FREQ_S3C24XX_DEBUGFS) += cpu-freq-debugfs.o
 
 # Architecture dependant builds
 
-obj-$(CONFIG_CPU_S3C244X)	+= s3c244x.o
-obj-$(CONFIG_CPU_S3C244X)	+= s3c244x-irq.o
-obj-$(CONFIG_CPU_S3C244X)	+= s3c244x-clock.o
-obj-$(CONFIG_S3C2440_CPUFREQ)	+= s3c2440-cpufreq.o
-obj-$(CONFIG_S3C2440_PLL_12000000) += s3c2440-pll-12000000.o
-obj-$(CONFIG_S3C2440_PLL_16934400) += s3c2440-pll-16934400.o
-
 obj-$(CONFIG_PM_SIMTEC)		+= pm-simtec.o
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_PM)		+= irq-pm.o
diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
index 4af9dd94879..9ca64df35bf 100644
--- a/arch/arm/plat-s3c24xx/cpu.c
+++ b/arch/arm/plat-s3c24xx/cpu.c
@@ -49,9 +49,7 @@
 #include <plat/s3c2400.h>
 #include <plat/s3c2410.h>
 #include <plat/s3c2412.h>
-#include "s3c244x.h"
-#include <plat/s3c2440.h>
-#include <plat/s3c2442.h>
+#include <plat/s3c244x.h>
 #include <plat/s3c2443.h>
 
 /* table of supported CPUs */
diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2440.h b/arch/arm/plat-s3c24xx/include/plat/s3c2440.h
deleted file mode 100644
index 107853bf948..00000000000
--- a/arch/arm/plat-s3c24xx/include/plat/s3c2440.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* linux/include/asm-arm/plat-s3c24xx/s3c2440.h
- *
- * Copyright (c) 2004-2005 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * Header file for s3c2440 cpu support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifdef CONFIG_CPU_S3C2440
-extern  int s3c2440_init(void);
-#else
-#define s3c2440_init NULL
-#endif
diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2442.h b/arch/arm/plat-s3c24xx/include/plat/s3c2442.h
deleted file mode 100644
index 451a23a2092..00000000000
--- a/arch/arm/plat-s3c24xx/include/plat/s3c2442.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* linux/include/asm-arm/plat-s3c24xx/s3c2442.h
- *
- * Copyright (c) 2006 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * Header file for s3c2442 cpu support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifdef CONFIG_CPU_S3C2442
-extern  int s3c2442_init(void);
-#else
-#define s3c2442_init NULL
-#endif
diff --git a/arch/arm/plat-s3c24xx/s3c244x.h b/arch/arm/plat-s3c24xx/include/plat/s3c244x.h
index 6aab5eaae2b..307248d1ccb 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.h
+++ b/arch/arm/plat-s3c24xx/include/plat/s3c244x.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c24xx/s3c244x.h
+/* linux/arch/arm/plat-s3c24xx/include/plat/s3c244x.h
  *
  * Copyright (c) 2004-2005 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
@@ -23,3 +23,15 @@ extern void s3c244x_init_clocks(int xtal);
 #define s3c244x_init_uarts NULL
 #define s3c244x_map_io NULL
 #endif
+
+#ifdef CONFIG_CPU_S3C2440
+extern  int s3c2440_init(void);
+#else
+#define s3c2440_init NULL
+#endif
+
+#ifdef CONFIG_CPU_S3C2442
+extern  int s3c2442_init(void);
+#else
+#define s3c2442_init NULL
+#endif