27 lines
713 B
C
27 lines
713 B
C
/*
|
|
* 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
|