32 lines
995 B
C
32 lines
995 B
C
/*
|
|
* 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
|
|
|