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- /*
- * arch/arm/mach-ixp2000/include/mach/memory.h
- *
- * Copyright (c) 2002 Intel Corp.
- * Copyright (c) 2003-2004 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 as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
- #ifndef __ASM_ARCH_MEMORY_H
- #define __ASM_ARCH_MEMORY_H
- #define PHYS_OFFSET UL(0x00000000)
- #include <mach/ixp2000-regs.h>
- #define IXP2000_PCI_SDRAM_OFFSET (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)
- #define __phys_to_bus(x) ((x) + (IXP2000_PCI_SDRAM_OFFSET - PHYS_OFFSET))
- #define __bus_to_phys(x) ((x) - (IXP2000_PCI_SDRAM_OFFSET - PHYS_OFFSET))
- #define __virt_to_bus(v) __phys_to_bus(__virt_to_phys(v))
- #define __bus_to_virt(b) __phys_to_virt(__bus_to_phys(b))
- #define __pfn_to_bus(p) __phys_to_bus(__pfn_to_phys(p))
- #define __bus_to_pfn(b) __phys_to_pfn(__bus_to_phys(b))
- #endif
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