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/*
* arch/arm/mach-ixp23xx/include/mach/io.h
*
* Original Author: Naeem M Afzal <naeem.m.afzal@intel.com>
* Maintainer: Deepak Saxena <dsaxena@plexity.net>
*
* Copyright (C) 2003-2005 Intel Corp.
* Copyright (C) 2005 MontaVista Software, Inc
*
* 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.
*/
#ifndef __ASM_ARCH_IO_H
#define __ASM_ARCH_IO_H
#define IO_SPACE_LIMIT 0xffffffff
#define __io(p) ((void __iomem*)((p) + IXP23XX_PCI_IO_VIRT))
#define __mem_pci(a) (a)
static inline void __iomem *
ixp23xx_ioremap(unsigned long addr, unsigned long size, unsigned int mtype)
{
if (addr >= IXP23XX_PCI_MEM_START &&
addr <= IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE) {
if (addr + size > IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE)
return NULL;
return (void __iomem *)
((addr - IXP23XX_PCI_MEM_START) + IXP23XX_PCI_MEM_VIRT);
}
return __arm_ioremap(addr, size, mtype);
}
static inline void
ixp23xx_iounmap(void __iomem *addr)
{
if ((((u32)addr) >= IXP23XX_PCI_MEM_VIRT) &&
(((u32)addr) < IXP23XX_PCI_MEM_VIRT + IXP23XX_PCI_MEM_SIZE))
return;
__iounmap(addr);
}
#define __arch_ioremap(a,s,f) ixp23xx_ioremap(a,s,f)
#define __arch_iounmap(a) ixp23xx_iounmap(a)
#endif
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