| /* | |
| * 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 | |