memory.h
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上传日期:2009-04-28
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- /*
- * 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 (0x0C000000UL)
- #else
- #define PHYS_OFFSET (0x30000000UL)
- #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