1 /*
2 * arch/arm/mach-rpc/include/mach/memory.h
3 *
4 * Copyright (C) 1996,1997,1998 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 * 11-Jan-1998 RMK Uninlined to reduce hits on cache
14 * 08-Feb-1998 RMK Added __virt_to_bus and __bus_to_virt
15 * 21-Mar-1999 RMK Renamed to memory.h
16 * RMK Added TASK_SIZE and PAGE_OFFSET
17 */
18 #ifndef __ASM_ARCH_MEMORY_H
19 #define __ASM_ARCH_MEMORY_H
20
21 /*
22 * Physical DRAM offset.
23 */
24 #define PHYS_OFFSET UL(0x10000000)
25
26 /*
27 * Cache flushing area - ROM
28 */
29 #define FLUSH_BASE_PHYS 0x00000000
30 #define FLUSH_BASE 0xdf000000
31
32 /*
33 * Sparsemem support. Each section is a maximum of 64MB. The sections
34 * are offset by 128MB and can cover 128MB, so that gives us a maximum
35 * of 29 physmem bits.
36 */
37 #define MAX_PHYSMEM_BITS 29
38 #define SECTION_SIZE_BITS 26
39
40 #endif
41
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