1/*
2 *  linux/include/asm-arm/arch-ebsa110/memory.h
3 *
4 *  Copyright (C) 1996-1999 Russell King.
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 version 2 as
8 * published by the Free Software Foundation.
9 *
10 *  Changelog:
11 *   20-Oct-1996 RMK	Created
12 *   31-Dec-1997 RMK	Fixed definitions to reduce warnings
13 *   21-Mar-1999 RMK	Renamed to memory.h
14 *		 RMK	Moved TASK_SIZE and PAGE_OFFSET here
15 */
16#ifndef __ASM_ARCH_MEMORY_H
17#define __ASM_ARCH_MEMORY_H
18
19/*
20 * Task size: 3GB
21 */
22#define TASK_SIZE	(0xc0000000UL)
23#define TASK_SIZE_26	(0x04000000UL)
24
25/*
26 * This decides where the kernel will search for a free chunk of vm
27 * space during mmap's.
28 */
29#define TASK_UNMAPPED_BASE (TASK_SIZE / 3)
30
31/*
32 * Page offset: 3GB
33 */
34#define PAGE_OFFSET	(0xc0000000UL)
35#define PHYS_OFFSET	(0x00000000UL)
36
37#define __virt_to_phys__is_a_macro
38#define __virt_to_phys(vpage)	((vpage) - PAGE_OFFSET)
39#define __phys_to_virt__is_a_macro
40#define __phys_to_virt(ppage)	((ppage) + PAGE_OFFSET)
41
42/*
43 * We keep this 1:1 so that we don't interfere
44 * with the PCMCIA memory regions
45 */
46#define __virt_to_bus__is_a_macro
47#define __virt_to_bus(x)	(x)
48#define __bus_to_virt__is_a_macro
49#define __bus_to_virt(x)	(x)
50
51#define PHYS_TO_NID(addr)	(0)
52
53#endif
54