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[pohmelfs.git] / include / asm-arm / arch-realview / memory.h
blobed370abb638fd7ce2dfb0df26f653fda5ba6283f
1 /*
2 * linux/include/asm-arm/arch-realview/memory.h
4 * Copyright (C) 2003 ARM Limited
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #ifndef __ASM_ARCH_MEMORY_H
21 #define __ASM_ARCH_MEMORY_H
24 * Physical DRAM offset.
26 #define PHYS_OFFSET UL(0x00000000)
29 * Virtual view <-> DMA view memory address translations
30 * virt_to_bus: Used to translate the virtual address to an
31 * address suitable to be passed to set_dma_addr
32 * bus_to_virt: Used to convert an address for DMA operations
33 * to an address that the kernel can use.
35 #define __virt_to_bus(x) ((x) - PAGE_OFFSET)
36 #define __bus_to_virt(x) ((x) + PAGE_OFFSET)
38 #endif