| /* |
| * 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); |
| |
| #endif |