arch/arm/mach-prima2/include/mach/memory.h

   1 /*
   2  * arch/arm/mach-prima2/include/mach/memory.h
   3  *
   4  * Copyright (c) 2010 – 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
   5  *
   6  * Licensed under GPLv2 or later.
   7  */
   8
   9 #ifndef __ASM_ARCH_MEMORY_H
  10 #define __ASM_ARCH_MEMORY_H
  11
  12 #define PLAT_PHYS_OFFSET        UL(0x00000000)
  13
  14 /*
  15  * Restrict DMA-able region to workaround silicon limitation.
  16  * The limitation restricts buffers available for DMA to SD/MMC
  17  * hardware to be below 256MB
  18  */
  19 #define ARM_DMA_ZONE_SIZE       (SZ_256M)
  20
  21 #endif