1/*
2 *  linux/include/asm-arm/arch-pxa/memory.h
3 *
4 * Author:	Nicolas Pitre
5 * Copyright:	(C) 2001 MontaVista Software Inc.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#ifndef __ASM_ARCH_MEMORY_H
13#define __ASM_ARCH_MEMORY_H
14
15/*
16 * Physical DRAM offset.
17 */
18#define PHYS_OFFSET	UL(0xa0000000)
19
20/*
21 * Virtual view <-> DMA view memory address translations
22 * virt_to_bus: Used to translate the virtual address to an
23 *		address suitable to be passed to set_dma_addr
24 * bus_to_virt: Used to convert an address for DMA operations
25 *		to an address that the kernel can use.
26 */
27#define __virt_to_bus(x)	 __virt_to_phys(x)
28#define __bus_to_virt(x)	 __phys_to_virt(x)
29
30/*
31 * The nodes are matched with the physical SDRAM banks as follows:
32 *
33 * 	node 0:  0xa0000000-0xa3ffffff	-->  0xc0000000-0xc3ffffff
34 * 	node 1:  0xa4000000-0xa7ffffff	-->  0xc4000000-0xc7ffffff
35 * 	node 2:  0xa8000000-0xabffffff	-->  0xc8000000-0xcbffffff
36 * 	node 3:  0xac000000-0xafffffff	-->  0xcc000000-0xcfffffff
37 *
38 * This needs a node mem size of 26 bits.
39 */
40#define NODE_MEM_SIZE_BITS	26
41
42#endif
43