1 files changed, 56 insertions, 0 deletions

diff --git a/arch/arm/mach-shark/include/mach/io.h b/arch/arm/mach-shark/include/mach/io.h
new file mode 100644
index 00000000000..92475922c06
--- /dev/null
+++ b/arch/arm/mach-shark/include/mach/io.h
@@ -0,0 +1,56 @@
+/*
+ * arch/arm/mach-shark/include/mach/io.h
+ *
+ * by Alexander Schulz
+ *
+ * derived from:
+ * arch/arm/mach-ebsa110/include/mach/io.h
+ * Copyright (C) 1997,1998 Russell King
+ */
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_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 0x80000000+
+ * and are translated to the start of IO.
+ */
+#define __PORT_PCIO(x)  (!((x) & 0x80000000))
+
+#define __io(a)                 ((void __iomem *)(PCIO_BASE + (a)))
+
+
+static inline unsigned int __ioaddr (unsigned int port)                 \
+{                                                                               \
+        if (__PORT_PCIO(port))                                                  \
+                return (unsigned int)(PCIO_BASE + (port));                      \
+        else                                                                    \
+                return (unsigned int)(IO_BASE + (port));                        \
+}
+
+#define __mem_pci(addr) (addr)
+
+/*
+ * Translated address IO functions
+ *
+ * IO address has already been translated to a virtual address
+ */
+#define outb_t(v,p)                                                             \
+        (*(volatile unsigned char *)(p) = (v))
+
+#define inb_t(p)                                                                \
+        (*(volatile unsigned char *)(p))
+
+#define outl_t(v,p)                                                             \
+        (*(volatile unsigned long *)(p) = (v))
+
+#define inl_t(p)                                                                \
+        (*(volatile unsigned long *)(p))
+
+#endif