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- /*
- * linux/include/asm-arm/arch-ixp2000/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)
- /*
- * Virtual view <-> DMA view memory address translations
- * virt_to_bus: Used to translate the virtual address to an
- * address suitable to be passed to set_dma_addr
- * bus_to_virt: Used to convert an address for DMA operations
- * to an address that the kernel can use.
- */
- #include <asm/arch/ixp2000-regs.h>
- #define __virt_to_bus(v) \
- (((__virt_to_phys(v) - 0x0) + (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)))
- #define __bus_to_virt(b) \
- __phys_to_virt((((b - (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)) + 0x0)))
- #endif
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