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/*
* 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) \
((iomem) > 0 && (iomem) + (size) <= 0x20000000)
/*
* Convert PCI memory space to a CPU physical address
*/
#define iomem_to_phys(iomem) ((iomem) + PHYS_PCI_MEM_BASE)
#endif
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