From a21765a70ec06be175d3997320a83fa66fcc8955 Mon Sep 17 00:00:00 2001
From: Ben Dooks <ben-linux@fluff.org>
Date: Sun, 11 Feb 2007 18:31:01 +0100
Subject: [ARM] 4157/2: S3C24XX: move arch/arch/mach-s3c2410 into cpu
 components

The following patch and script moves the arch/arm/mach-s3c2410
directory into arch/arm/plat-s3c24xx for the generic core code
and inti arch/arm/mach-s3c{cpu} for the cpu/machine support files

Include directory include/asm-arm/plat-s3c24xx is added for the
core include files.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 arch/arm/mach-s3c2440/dsc.c | 54 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 arch/arm/mach-s3c2440/dsc.c

(limited to 'arch/arm/mach-s3c2440/dsc.c')

diff --git a/arch/arm/mach-s3c2440/dsc.c b/arch/arm/mach-s3c2440/dsc.c
new file mode 100644
index 000000000000..2995ff5681bb
--- /dev/null
+++ b/arch/arm/mach-s3c2440/dsc.c
@@ -0,0 +1,54 @@
+/* linux/arch/arm/mach-s3c2440/dsc.c
+ *
+ * Copyright (c) 2004-2005 Simtec Electronics
+ *   Ben Dooks <ben@simtec.co.uk>
+ *
+ * Samsung S3C2440 Drive Strength Control 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/init.h>
+#include <linux/module.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-dsc.h>
+
+#include <asm/plat-s3c24xx/cpu.h>
+#include <asm/plat-s3c24xx/s3c2440.h>
+
+int s3c2440_set_dsc(unsigned int pin, unsigned int value)
+{
+	void __iomem *base;
+	unsigned long val;
+	unsigned long flags;
+	unsigned long mask;
+
+	base = (pin & S3C2440_SELECT_DSC1) ? S3C2440_DSC1 : S3C2440_DSC0;
+	mask = 3 << S3C2440_DSC_GETSHIFT(pin);
+
+	local_irq_save(flags);
+
+	val = __raw_readl(base);
+	val &= ~mask;
+	val |= value & mask;
+	__raw_writel(val, base);
+
+	local_irq_restore(flags);
+	return 0;
+}
+
+EXPORT_SYMBOL(s3c2440_set_dsc);
-- 
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