arch/arm/mach-iop32x/include/mach/memory.h

   1 /*
   2  * arch/arm/mach-iop32x/include/mach/memory.h
   3  */
   4
   5 #ifndef __MEMORY_H
   6 #define __MEMORY_H
   7
   8 #include <mach/hardware.h>
   9
  10 /*
  11  * Physical DRAM offset.
  12  */
  13 #define PHYS_OFFSET     UL(0xa0000000)
  14
  15 /*
  16  * Virtual view <-> PCI DMA view memory address translations
  17  * virt_to_bus: Used to translate the virtual address to an
  18  *              address suitable to be passed to set_dma_addr
  19  * bus_to_virt: Used to convert an address for DMA operations
  20  *              to an address that the kernel can use.
  21  */
  22 #define __virt_to_bus(x)        (__virt_to_phys(x))
  23 #define __bus_to_virt(x)        (__phys_to_virt(x))
  24
  25
  26 #endif