Linux-2.6.12-rc2
[linux-2.6/kvm.git] / include / asm-arm / arch-ebsa110 / io.h
blob68e04c0bb3f74db0ff1baf18bcc49ef1044b9b81
1 /*
2 * linux/include/asm-arm/arch-ebsa110/io.h
4 * Copyright (C) 1997,1998 Russell King
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * Modifications:
11 * 06-Dec-1997 RMK Created.
13 #ifndef __ASM_ARM_ARCH_IO_H
14 #define __ASM_ARM_ARCH_IO_H
16 #define IO_SPACE_LIMIT 0xffff
18 u8 __inb8(unsigned int port);
19 void __outb8(u8 val, unsigned int port);
21 u8 __inb16(unsigned int port);
22 void __outb16(u8 val, unsigned int port);
24 u16 __inw(unsigned int port);
25 void __outw(u16 val, unsigned int port);
27 u32 __inl(unsigned int port);
28 void __outl(u32 val, unsigned int port);
30 u8 __readb(void __iomem *addr);
31 u16 __readw(void __iomem *addr);
32 u32 __readl(void __iomem *addr);
34 void __writeb(u8 val, void __iomem *addr);
35 void __writew(u16 val, void __iomem *addr);
36 void __writel(u32 val, void __iomem *addr);
39 * Argh, someone forgot the IOCS16 line. We therefore have to handle
40 * the byte stearing by selecting the correct byte IO functions here.
42 #ifdef ISA_SIXTEEN_BIT_PERIPHERAL
43 #define inb(p) __inb16(p)
44 #define outb(v,p) __outb16(v,p)
45 #else
46 #define inb(p) __inb8(p)
47 #define outb(v,p) __outb8(v,p)
48 #endif
50 #define inw(p) __inw(p)
51 #define outw(v,p) __outw(v,p)
53 #define inl(p) __inl(p)
54 #define outl(v,p) __outl(v,p)
56 #define readb(b) __readb(b)
57 #define readw(b) __readw(b)
58 #define readl(b) __readl(b)
59 #define readb_relaxed(addr) readb(addr)
60 #define readw_relaxed(addr) readw(addr)
61 #define readl_relaxed(addr) readl(addr)
63 #define writeb(v,b) __writeb(v,b)
64 #define writew(v,b) __writew(v,b)
65 #define writel(v,b) __writel(v,b)
67 #define __arch_ioremap(cookie,sz,c,a) ((void __iomem *)(cookie))
68 #define __arch_iounmap(cookie) do { } while (0)
70 extern void insb(unsigned int port, void *buf, int sz);
71 extern void insw(unsigned int port, void *buf, int sz);
72 extern void insl(unsigned int port, void *buf, int sz);
74 extern void outsb(unsigned int port, const void *buf, int sz);
75 extern void outsw(unsigned int port, const void *buf, int sz);
76 extern void outsl(unsigned int port, const void *buf, int sz);
78 #endif