|  | /* | 
|  | *  linux/include/asm-arm/arch-netx/memory.h | 
|  | * | 
|  | * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License version 2 | 
|  | * as published by the Free Software Foundation. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | 
|  | */ | 
|  |  | 
|  | #ifndef __ASM_ARCH_MEMORY_H | 
|  | #define __ASM_ARCH_MEMORY_H | 
|  |  | 
|  | #define PHYS_OFFSET UL(0x80000000) | 
|  |  | 
|  | /* | 
|  | * 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. | 
|  | */ | 
|  | #define __virt_to_bus(x)         __virt_to_phys(x) | 
|  | #define __bus_to_virt(x)         __phys_to_virt(x) | 
|  |  | 
|  | #endif | 
|  |  |