44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
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/*
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* (c) Copyright 2006 Hewlett-Packard Development Company, L.P.
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* Bjorn Helgaas <bjorn.helgaas@hp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/compiler.h>
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#include <linux/module.h>
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#include <linux/efi.h>
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#include <asm/io.h>
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static inline void __iomem *
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__ioremap (unsigned long offset, unsigned long size)
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{
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return (void __iomem *) (__IA64_UNCACHED_OFFSET | offset);
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}
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void __iomem *
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ioremap (unsigned long offset, unsigned long size)
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{
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if (efi_mem_attribute_range(offset, size, EFI_MEMORY_UC))
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return __ioremap(offset, size);
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if (efi_mem_attribute_range(offset, size, EFI_MEMORY_WB))
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return phys_to_virt(offset);
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/*
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* Someday this should check ACPI resources so we
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* can do the right thing for hot-plugged regions.
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*/
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return __ioremap(offset, size);
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}
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EXPORT_SYMBOL(ioremap);
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void __iomem *
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ioremap_nocache (unsigned long offset, unsigned long size)
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{
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return __ioremap(offset, size);
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}
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EXPORT_SYMBOL(ioremap_nocache);
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