/* * 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 PLAT_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