1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *  arch/arm/mach-rpc/include/mach/memory.h
4  *
5  *  Copyright (C) 1996,1997,1998 Russell King.
6  *
7  *  Changelog:
8  *   20-Oct-1996 RMK	Created
9  *   31-Dec-1997 RMK	Fixed definitions to reduce warnings
10  *   11-Jan-1998 RMK	Uninlined to reduce hits on cache
11  *   08-Feb-1998 RMK	Added __virt_to_bus and __bus_to_virt
12  *   21-Mar-1999 RMK	Renamed to memory.h
13  *		 RMK	Added TASK_SIZE and PAGE_OFFSET
14  */
15 #ifndef __ASM_ARCH_MEMORY_H
16 #define __ASM_ARCH_MEMORY_H
17 
18 /*
19  * Cache flushing area - ROM
20  */
21 #define FLUSH_BASE_PHYS		0x00000000
22 #define FLUSH_BASE		0xdf000000
23 
24 /*
25  * Sparsemem support.  Each section is a maximum of 64MB.  The sections
26  * are offset by 128MB and can cover 128MB, so that gives us a maximum
27  * of 29 physmem bits.
28  */
29 #define MAX_PHYSMEM_BITS	29
30 #define SECTION_SIZE_BITS	26
31 
32 #endif
33