35 lines
1016 B
C
35 lines
1016 B
C
/*
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* arch/arm/mach-ixp23xx/include/mach/memory.h
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*
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* Copyright (c) 2003-2004 Intel Corp.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef __ASM_ARCH_MEMORY_H
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#define __ASM_ARCH_MEMORY_H
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#include <mach/hardware.h>
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/*
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* Physical DRAM offset.
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*/
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#define PLAT_PHYS_OFFSET (0x00000000)
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#define IXP23XX_PCI_SDRAM_OFFSET (*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0)
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#define __phys_to_bus(x) ((x) + (IXP23XX_PCI_SDRAM_OFFSET - PHYS_OFFSET))
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#define __bus_to_phys(x) ((x) - (IXP23XX_PCI_SDRAM_OFFSET - PHYS_OFFSET))
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#define __virt_to_bus(v) __phys_to_bus(__virt_to_phys(v))
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#define __bus_to_virt(b) __phys_to_virt(__bus_to_phys(b))
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#define __pfn_to_bus(p) __phys_to_bus(__pfn_to_phys(p))
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#define __bus_to_pfn(b) __phys_to_pfn(__bus_to_phys(b))
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#define arch_is_coherent() 1
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#endif
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