include/asm-arm/arch-mxc/memory.h

   1 /*
   2  * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
   3  */
   4
   5 /*
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #ifndef __ASM_ARCH_MXC_MEMORY_H__
  12 #define __ASM_ARCH_MXC_MEMORY_H__
  13
  14 #include <asm/hardware.h>
  15
  16 /*
  17  * Virtual view <-> DMA view memory address translations
  18  * This macro is used to translate the virtual address to an address
  19  * suitable to be passed to set_dma_addr()
  20  */
  21 #define __virt_to_bus(a)        __virt_to_phys(a)
  22
  23 /*
  24  * Used to convert an address for DMA operations to an address that the
  25  * kernel can use.
  26  */
  27 #define __bus_to_virt(a)        __phys_to_virt(a)
  28
  29 #endif /* __ASM_ARCH_MXC_MEMORY_H__ */