Commit | Line | Data |
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73a59c1c | 1 | /* |
9d041268 | 2 | * include/asm-arm/arch-at91/memory.h |
73a59c1c SP |
3 | * |
4 | * Copyright (C) 2004 SAN People | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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 | |
19 | */ | |
20 | ||
21 | #ifndef __ASM_ARCH_MEMORY_H | |
22 | #define __ASM_ARCH_MEMORY_H | |
23 | ||
be509729 | 24 | #include <asm/arch/hardware.h> |
73a59c1c SP |
25 | |
26 | #define PHYS_OFFSET (AT91_SDRAM_BASE) | |
27 | ||
28 | ||
29 | /* | |
30 | * Virtual view <-> DMA view memory address translations | |
31 | * virt_to_bus: Used to translate the virtual address to an | |
32 | * address suitable to be passed to set_dma_addr | |
33 | * bus_to_virt: Used to convert an address for DMA operations | |
34 | * to an address that the kernel can use. | |
35 | */ | |
73a59c1c | 36 | #define __virt_to_bus(x) __virt_to_phys(x) |
73a59c1c SP |
37 | #define __bus_to_virt(x) __phys_to_virt(x) |
38 | ||
39 | #endif |