| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/asm-arm/arch-s3c2410/memory.h |
| 3 | * |
| 4 | * from linux/include/asm-arm/arch-rpc/memory.h |
| 5 | * |
| 6 | * Copyright (C) 1996,1997,1998 Russell King. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | * |
| 12 | * Changelog: |
| 13 | * 20-Oct-1996 RMK Created |
| 14 | * 31-Dec-1997 RMK Fixed definitions to reduce warnings |
| 15 | * 11-Jan-1998 RMK Uninlined to reduce hits on cache |
| 16 | * 08-Feb-1998 RMK Added __virt_to_bus and __bus_to_virt |
| 17 | * 21-Mar-1999 RMK Renamed to memory.h |
| 18 | * RMK Added TASK_SIZE and PAGE_OFFSET |
| 19 | * 05-Apr-2004 BJD Copied and altered for arch-s3c2410 |
| 20 | * 17-Mar-2005 LCVR Modified for S3C2400 |
| 21 | */ |
| 22 | |
| 23 | #ifndef __ASM_ARCH_MEMORY_H |
| 24 | #define __ASM_ARCH_MEMORY_H |
| 25 | |
| 26 | /* |
| 27 | * DRAM starts at 0x30000000 for S3C2410/S3C2440 |
| 28 | * and at 0x0C000000 for S3C2400 |
| 29 | */ |
| 30 | #ifdef CONFIG_CPU_S3C2400 |
| 31 | #define PHYS_OFFSET (0x0C000000UL) |
| 32 | #else |
| 33 | #define PHYS_OFFSET (0x30000000UL) |
| 34 | #endif |
| 35 | |
| 36 | /* |
| 37 | * These are exactly the same on the S3C2410 as the |
| 38 | * physical memory view. |
| 39 | */ |
| 40 | |
| 41 | #define __virt_to_bus(x) __virt_to_phys(x) |
| 42 | #define __bus_to_virt(x) __phys_to_virt(x) |
| 43 | |
| 44 | #endif |