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Diffstat (limited to 'include/asm-arm/arch-s3c2410/memory.h')
| -rw-r--r-- | include/asm-arm/arch-s3c2410/memory.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-arm/arch-s3c2410/memory.h b/include/asm-arm/arch-s3c2410/memory.h new file mode 100644 index 00000000000..3380ab1d074 --- /dev/null +++ b/include/asm-arm/arch-s3c2410/memory.h @@ -0,0 +1,44 @@ +/* + * 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 |