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-integrator/io.h
- *
- * Copyright (C) 1999 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #ifndef __ASM_ARM_ARCH_IO_H
- #define __ASM_ARM_ARCH_IO_H
- #define IO_SPACE_LIMIT 0xffff
- #define __io(a) (PCI_IO_VADDR + (a))
- #define __mem_pci(a) ((unsigned long)(a))
- #define __mem_isa(a) (PCI_MEMORY_VADDR + (unsigned long)(a))
- /*
- * Generic virtual read/write
- */
- #define __arch_getw(a) (*(volatile unsigned short *)(a))
- #define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v))
- /*
- * Validate the pci memory address for ioremap.
- */
- #define iomem_valid_addr(iomem,size) (1)
- /*
- * Convert PCI memory space to a CPU physical address
- */
- #define iomem_to_phys(iomem) (iomem)
- #endif