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/*
* linux/include/asm-arm/arch-ebsa110/io.h
*
* Copyright (C) 1997,1998 Russell King
*
* 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.
*
* Modifications:
* 06-Dec-1997 RMK Created.
*/
#ifndef __ASM_ARM_ARCH_IO_H
#define __ASM_ARM_ARCH_IO_H
#define IO_SPACE_LIMIT 0xffff
u8 __inb8(unsigned int port);
void __outb8(u8 val, unsigned int port);
u8 __inb16(unsigned int port);
void __outb16(u8 val, unsigned int port);
u16 __inw(unsigned int port);
void __outw(u16 val, unsigned int port);
u32 __inl(unsigned int port);
void __outl(u32 val, unsigned int port);
u8 __readb(const volatile void __iomem *addr);
u16 __readw(const volatile void __iomem *addr);
u32 __readl(const volatile void __iomem *addr);
void __writeb(u8 val, void __iomem *addr);
void __writew(u16 val, void __iomem *addr);
void __writel(u32 val, void __iomem *addr);
/*
* Argh, someone forgot the IOCS16 line. We therefore have to handle
* the byte stearing by selecting the correct byte IO functions here.
*/
#ifdef ISA_SIXTEEN_BIT_PERIPHERAL
#define inb(p) __inb16(p)
#define outb(v,p) __outb16(v,p)
#else
#define inb(p) __inb8(p)
#define outb(v,p) __outb8(v,p)
#endif
#define inw(p) __inw(p)
#define outw(v,p) __outw(v,p)
#define inl(p) __inl(p)
#define outl(v,p) __outl(v,p)
#define readb(b) __readb(b)
#define readw(b) __readw(b)
#define readl(b) __readl(b)
#define readb_relaxed(addr) readb(addr)
#define readw_relaxed(addr) readw(addr)
#define readl_relaxed(addr) readl(addr)
#define writeb(v,b) __writeb(v,b)
#define writew(v,b) __writew(v,b)
#define writel(v,b) __writel(v,b)
static inline void __iomem *__arch_ioremap(unsigned long cookie, size_t size,
unsigned int flags)
{
return (void __iomem *)cookie;
}
#define __arch_ioremap __arch_ioremap
#define __arch_iounmap(cookie) do { } while (0)
extern void insb(unsigned int port, void *buf, int sz);
extern void insw(unsigned int port, void *buf, int sz);
extern void insl(unsigned int port, void *buf, int sz);
extern void outsb(unsigned int port, const void *buf, int sz);
extern void outsw(unsigned int port, const void *buf, int sz);
extern void outsl(unsigned int port, const void *buf, int sz);
/* can't support writesb atm */
extern void writesw(void __iomem *addr, const void *data, int wordlen);
extern void writesl(void __iomem *addr, const void *data, int longlen);
/* can't support readsb atm */
extern void readsw(const void __iomem *addr, void *data, int wordlen);
extern void readsl(const void __iomem *addr, void *data, int longlen);
#endif
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