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 * Cache flushing area - ROM 23 */ 24 #define FLUSH_BASE_PHYS 0x00000000 25 #define FLUSH_BASE 0xdf000000 26 27 /* 28 * Sparsemem support. Each section is a maximum of 64MB. The sections 29 * are offset by 128MB and can cover 128MB, so that gives us a maximum 30 * of 29 physmem bits. 31 */ 32 #define MAX_PHYSMEM_BITS 29 33 #define SECTION_SIZE_BITS 26 34 35 #endif 36