memory.h

 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