1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/mach-ak98/include/mach/io.h b/arch/arm/mach-ak98/include/mach/io.h
new file mode 100644
index 00000000000..7a5373cc23f
--- /dev/null
+++ b/arch/arm/mach-ak98/include/mach/io.h
@@ -0,0 +1,71 @@
+/*
+ * linux/include/asm-arm/arch-s3c2410/io.h
+ *  from linux/include/asm-arm/arch-rpc/io.h
+ *
+ * Copyright (C) 1997 Russell King
+ *	     (C) 2003 Simtec Electronics
+*/
+
+//#ifndef __ASM_ARM_ARCH_IO_H
+//#define __ASM_ARM_ARCH_IO_H
+#ifndef __ARCH_ARM_MACH_AK98_IO_H
+#define __ARCH_ARM_MACH_AK98_IO_H
+
+//#include <mach/hardware.h>
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+/*
+ * We use two different types of addressing - PC style addresses, and ARM
+ * addresses.  PC style accesses the PC hardware with the normal PC IO
+ * addresses, eg 0x3f8 for serial#1.  ARM addresses are above A28
+ * and are translated to the start of IO.  Note that all addresses are
+ * not shifted left!
+ */
+
+/*
+ * 1:1 mapping for ioremapped regions.
+ */
+#define __mem_pci(x)	(x)
+
+#define __io(a)		((void __iomem *)(a))
+
+#define AK98_DUMP_REG(x) { printk("reg 0x%x=0x%x\n",(u32)AK98_##x,(u32)__raw_readl(AK98_##x)); }
+
+static inline unsigned long AKSET_BITS(unsigned long bits_result, void *reg)
+{
+	volatile unsigned long val;
+	val = __raw_readl(reg);
+
+	val |= bits_result;
+
+	__raw_writel(val, reg);
+
+	return 0;
+}
+
+static inline unsigned long AKCLR_BITS(unsigned long bits_result, void *reg)
+{
+	volatile unsigned long val;
+	val = __raw_readl(reg);
+	val &= ~bits_result;
+
+	__raw_writel(val, reg);
+
+	return 0;
+}
+
+static inline bool AKGET_BIT(unsigned long bit_result, void *reg)
+{
+	unsigned long val;
+
+	val = __raw_readl(reg) & bit_result;
+
+	if (val == bit_result)
+		return true;
+	else
+		return false;
+
+}
+
+#endif