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- /*
- * arch/arm/mach-ixp23xx/include/mach/memory.h
- *
- * Copyright (c) 2003-2004 Intel Corp.
- *
- * 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
- #include <mach/hardware.h>
- /*
- * Physical DRAM offset.
- */
- #define PHYS_OFFSET (0x00000000)
- #define IXP23XX_PCI_SDRAM_OFFSET (*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0))
- #define __phys_to_bus(x) ((x) + (IXP23XX_PCI_SDRAM_OFFSET - PHYS_OFFSET))
- #define __bus_to_phys(x) ((x) - (IXP23XX_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))
- #define arch_is_coherent() 1
- #endif
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