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

   1 /*
   2  *  arch/arm/mach-pxa/include/mach/memory.h
   3  *
   4  * Author:      Nicolas Pitre
   5  * Copyright:   (C) 2001 MontaVista Software Inc.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #ifndef __ASM_ARCH_MEMORY_H
  13 #define __ASM_ARCH_MEMORY_H
  14
  15 /*
  16  * Physical DRAM offset.
  17  */
  18 #define PHYS_OFFSET     UL(0xa0000000)
  19
  20 /*
  21  * The nodes are matched with the physical SDRAM banks as follows:
  22  *
  23  *      node 0:  0xa0000000-0xa3ffffff  -->  0xc0000000-0xc3ffffff
  24  *      node 1:  0xa4000000-0xa7ffffff  -->  0xc4000000-0xc7ffffff
  25  *      node 2:  0xa8000000-0xabffffff  -->  0xc8000000-0xcbffffff
  26  *      node 3:  0xac000000-0xafffffff  -->  0xcc000000-0xcfffffff
  27  *
  28  * This needs a node mem size of 26 bits.
  29  */
  30 #define NODE_MEM_SIZE_BITS      26
  31
  32 #if !defined(__ASSEMBLY__) && defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI)
  33 void cmx2xx_pci_adjust_zones(int node, unsigned long *size,
  34                              unsigned long *holes);
  35
  36 #define arch_adjust_zones(node, size, holes) \
  37         cmx2xx_pci_adjust_zones(node, size, holes)
  38
  39 #define ISA_DMA_THRESHOLD       (PHYS_OFFSET + SZ_64M - 1)
  40 #define MAX_DMA_ADDRESS         (PAGE_OFFSET + SZ_64M)
  41 #endif
  42
  43 #endif