include/asm-arm/arch-s3c2410/memory.h

   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     UL(0x0C000000)
  32 #else
  33 #define PHYS_OFFSET     UL(0x30000000)
  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