diff options
Diffstat (limited to 'include/asm-arm/arch-ebsa110/io.h')
-rw-r--r-- | include/asm-arm/arch-ebsa110/io.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ebsa110/io.h b/include/asm-arm/arch-ebsa110/io.h new file mode 100644 index 000000000000..68e04c0bb3f7 --- /dev/null +++ b/include/asm-arm/arch-ebsa110/io.h @@ -0,0 +1,78 @@ +/* + * 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(void __iomem *addr); +u16 __readw(void __iomem *addr); +u32 __readl(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) + +#define __arch_ioremap(cookie,sz,c,a) ((void __iomem *)(cookie)) +#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 |