| /* |
| * arch/arm/mach-ixp2000/include/mach/memory.h |
| * |
| * Copyright (c) 2002 Intel Corp. |
| * Copyright (c) 2003-2004 MontaVista Software, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2 of the License, or (at your |
| * option) any later version. |
| */ |
| |
| #ifndef __ASM_ARCH_MEMORY_H |
| #define __ASM_ARCH_MEMORY_H |
| |
| #define PHYS_OFFSET UL(0x00000000) |
| |
| #include <mach/ixp2000-regs.h> |
| |
| #define IXP2000_PCI_SDRAM_OFFSET (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0) |
| |
| #define __phys_to_bus(x) ((x) + (IXP2000_PCI_SDRAM_OFFSET - PHYS_OFFSET)) |
| #define __bus_to_phys(x) ((x) - (IXP2000_PCI_SDRAM_OFFSET - PHYS_OFFSET)) |
| |
| #define __virt_to_bus(v) __phys_to_bus(__virt_to_phys(v)) |
| #define __bus_to_virt(b) __phys_to_virt(__bus_to_phys(b)) |
| #define __pfn_to_bus(p) __phys_to_bus(__pfn_to_phys(p)) |
| #define __bus_to_pfn(b) __phys_to_pfn(__bus_to_phys(b)) |
| |
| #endif |
| |