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
  21 struct membank {
  22         unsigned long start;
  23         unsigned long size;
  24         unsigned int highmem;
  25 };
  26
  27 struct meminfo {
  28         int nr_banks;
  29         struct membank bank[NR_BANKS];
  30 };
  31
  32 extern 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
  44 extern void uc32_memblock_init(struct meminfo *);
  45
  46 #endif