LXR linux/arch/unicore32/include/asm/memblock.h

   1/*
   2 * linux/arch/unicore32/include/asm/memblock.h
   3 *
   4 * Code specific to PKUnity SoC and UniCore ISA
   5 *
   6 * Copyright (C) 2001-2010 GUAN Xue-tao
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License version 2 as
  10 * published by the Free Software Foundation.
  11 */
  12
  13#ifndef __UNICORE_MEMBLOCK_H__
  14#define __UNICORE_MEMBLOCK_H__
  15
  16/*
  17 * Memory map description
  18 */
  19# define NR_BANKS 8
  20
  21struct membank {
  22        unsigned long start;
  23        unsigned long size;
  24        unsigned int highmem;
  25};
  26
  27struct meminfo {
  28        int nr_banks;
  29        struct membank bank[NR_BANKS];
  30};
  31
  32extern struct meminfo meminfo;
  33
  34#define for_each_bank(iter, mi)                         \
  35        for (iter = 0; iter < (mi)->nr_banks; iter++)
  36
  37#define bank_pfn_start(bank)    __phys_to_pfn((bank)->start)
  38#define bank_pfn_end(bank)      __phys_to_pfn((bank)->start + (bank)->size)
  39#define bank_pfn_size(bank)     ((bank)->size >> PAGE_SHIFT)
  40#define bank_phys_start(bank)   ((bank)->start)
  41#define bank_phys_end(bank)     ((bank)->start + (bank)->size)
  42#define bank_phys_size(bank)    ((bank)->size)
  43
  44extern void uc32_memblock_init(struct meminfo *);
  45
  46#endif
  47