io.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- /*
- * linux/include/asm-arm/arch-anakin/io.h
- *
- * Copyright (C) 2001 Aleph One Ltd. for Acunia N.V.
- *
- * 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.
- *
- * Changelog:
- * 10-Apr-2001 TTC Created
- */
- #ifndef __ASM_ARM_ARCH_IO_H
- #define __ASM_ARM_ARCH_IO_H
- #define IO_SPACE_LIMIT 0xffffffff
- #define __io(a) a
- #define __arch_getw(a) (*(volatile unsigned short *) (a))
- #define __arch_putw(b, a) (*(volatile unsigned short *) (a) = (b))
- #define iomem_valid_addr(i, s) 1
- #define iomem_to_phys(i) i
- /*
- * We don't support ins[lb]/outs[lb]. Make them fault.
- */
- #define __raw_readsb(p,d,l) do { *(int *)0 = 0; } while (0)
- #define __raw_readsl(p,d,l) do { *(int *)0 = 0; } while (0)
- #define __raw_writesb(p,d,l) do { *(int *)0 = 0; } while (0)
- #define __raw_writesl(p,d,l) do { *(int *)0 = 0; } while (0)
- #endif