OpenCloudOS-Kernel/arch/arm/plat-mxc/include/mach/memory.h

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775 B
C

/*
* Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* This program 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 __ASM_ARCH_MXC_MEMORY_H__
#define __ASM_ARCH_MXC_MEMORY_H__
#include <mach/hardware.h>
/*
* Virtual view <-> DMA view memory address translations
* This macro is used to translate the virtual address to an address
* suitable to be passed to set_dma_addr()
*/
#define __virt_to_bus(a) __virt_to_phys(a)
/*
* Used to convert an address for DMA operations to an address that the
* kernel can use.
*/
#define __bus_to_virt(a) __phys_to_virt(a)
#endif /* __ASM_ARCH_MXC_MEMORY_H__ */