linux_old1/include/asm-arm/arch-s3c2410/memory.h

45 lines
1.2 KiB
C

/*
* linux/include/asm-arm/arch-s3c2410/memory.h
*
* from linux/include/asm-arm/arch-rpc/memory.h
*
* Copyright (C) 1996,1997,1998 Russell King.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Changelog:
* 20-Oct-1996 RMK Created
* 31-Dec-1997 RMK Fixed definitions to reduce warnings
* 11-Jan-1998 RMK Uninlined to reduce hits on cache
* 08-Feb-1998 RMK Added __virt_to_bus and __bus_to_virt
* 21-Mar-1999 RMK Renamed to memory.h
* RMK Added TASK_SIZE and PAGE_OFFSET
* 05-Apr-2004 BJD Copied and altered for arch-s3c2410
* 17-Mar-2005 LCVR Modified for S3C2400
*/
#ifndef __ASM_ARCH_MEMORY_H
#define __ASM_ARCH_MEMORY_H
/*
* DRAM starts at 0x30000000 for S3C2410/S3C2440
* and at 0x0C000000 for S3C2400
*/
#ifdef CONFIG_CPU_S3C2400
#define PHYS_OFFSET UL(0x0C000000)
#else
#define PHYS_OFFSET UL(0x30000000)
#endif
/*
* These are exactly the same on the S3C2410 as the
* physical memory view.
*/
#define __virt_to_bus(x) __virt_to_phys(x)
#define __bus_to_virt(x) __phys_to_virt(x)
#endif