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memory.h
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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 PLAT_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