92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/*
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* linux/include/asm-arm/arch-ebsa110/io.h
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*
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* Copyright (C) 1997,1998 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Modifications:
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* 06-Dec-1997 RMK Created.
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*/
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#ifndef __ASM_ARM_ARCH_IO_H
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#define __ASM_ARM_ARCH_IO_H
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#define IO_SPACE_LIMIT 0xffff
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u8 __inb8(unsigned int port);
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void __outb8(u8 val, unsigned int port);
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u8 __inb16(unsigned int port);
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void __outb16(u8 val, unsigned int port);
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u16 __inw(unsigned int port);
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void __outw(u16 val, unsigned int port);
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u32 __inl(unsigned int port);
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void __outl(u32 val, unsigned int port);
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u8 __readb(const volatile void __iomem *addr);
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u16 __readw(const volatile void __iomem *addr);
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u32 __readl(const volatile void __iomem *addr);
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void __writeb(u8 val, void __iomem *addr);
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void __writew(u16 val, void __iomem *addr);
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void __writel(u32 val, void __iomem *addr);
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/*
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* Argh, someone forgot the IOCS16 line. We therefore have to handle
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* the byte stearing by selecting the correct byte IO functions here.
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*/
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#ifdef ISA_SIXTEEN_BIT_PERIPHERAL
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#define inb(p) __inb16(p)
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#define outb(v,p) __outb16(v,p)
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#else
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#define inb(p) __inb8(p)
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#define outb(v,p) __outb8(v,p)
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#endif
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#define inw(p) __inw(p)
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#define outw(v,p) __outw(v,p)
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#define inl(p) __inl(p)
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#define outl(v,p) __outl(v,p)
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#define readb(b) __readb(b)
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#define readw(b) __readw(b)
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#define readl(b) __readl(b)
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#define readb_relaxed(addr) readb(addr)
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#define readw_relaxed(addr) readw(addr)
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#define readl_relaxed(addr) readl(addr)
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#define writeb(v,b) __writeb(v,b)
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#define writew(v,b) __writew(v,b)
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#define writel(v,b) __writel(v,b)
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static inline void __iomem *__arch_ioremap(unsigned long cookie, size_t size,
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unsigned int flags)
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{
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return (void __iomem *)cookie;
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}
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#define __arch_ioremap __arch_ioremap
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#define __arch_iounmap(cookie) do { } while (0)
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extern void insb(unsigned int port, void *buf, int sz);
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extern void insw(unsigned int port, void *buf, int sz);
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extern void insl(unsigned int port, void *buf, int sz);
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extern void outsb(unsigned int port, const void *buf, int sz);
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extern void outsw(unsigned int port, const void *buf, int sz);
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extern void outsl(unsigned int port, const void *buf, int sz);
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/* can't support writesb atm */
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extern void writesw(void __iomem *addr, const void *data, int wordlen);
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extern void writesl(void __iomem *addr, const void *data, int longlen);
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/* can't support readsb atm */
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extern void readsw(const void __iomem *addr, void *data, int wordlen);
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extern void readsl(const void __iomem *addr, void *data, int longlen);
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#endif
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