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/*
* 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
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