| /* |
| * Copyright 2003 ARM Limited |
| * Copyright 2008 Cavium Networks |
| * |
| * This file 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. |
| */ |
| |
| #ifndef __MACH_MEMORY_H |
| #define __MACH_MEMORY_H |
| |
| /* |
| * Physical DRAM offset. |
| */ |
| #define PHYS_OFFSET UL(0x00000000) |
| |
| #define __phys_to_bus(x) ((x) + PHYS_OFFSET) |
| #define __bus_to_phys(x) ((x) - 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 |
