2005-04-16 18:20:36 -04:00
|
|
|
/*
|
|
|
|
|
* linux/include/asm-arm/arch-ixp2000/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
|
|
|
|
|
|
2005-10-29 16:44:55 -04:00
|
|
|
#define PHYS_OFFSET UL(0x00000000)
|
2005-04-16 18:20:36 -04:00
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Virtual view <-> DMA view memory address translations
|
|
|
|
|
* virt_to_bus: Used to translate the virtual address to an
|
|
|
|
|
* address suitable to be passed to set_dma_addr
|
|
|
|
|
* bus_to_virt: Used to convert an address for DMA operations
|
|
|
|
|
* to an address that the kernel can use.
|
|
|
|
|
*/
|
|
|
|
|
#include <asm/arch/ixp2000-regs.h>
|
|
|
|
|
|
|
|
|
|
#define __virt_to_bus(v) \
|
|
|
|
|
(((__virt_to_phys(v) - 0x0) + (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)))
|
|
|
|
|
|
|
|
|
|
#define __bus_to_virt(b) \
|
|
|
|
|
__phys_to_virt((((b - (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)) + 0x0)))
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
