arch/unicore32/include/asm/memblock.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * linux/arch/unicore32/include/asm/memblock.h
   4  *
   5  * Code specific to PKUnity SoC and UniCore ISA
   6  *
   7  * Copyright (C) 2001-2010 GUAN Xue-tao
   8  */
   9
  10 #ifndef __UNICORE_MEMBLOCK_H__
  11 #define __UNICORE_MEMBLOCK_H__
  12
  13 /*
  14  * Memory map description
  15  */
  16 # define NR_BANKS 8
  17
  18 struct membank {
  19         unsigned long start;
  20         unsigned long size;
  21         unsigned int highmem;
  22 };
  23
  24 struct meminfo {
  25         int nr_banks;
  26         struct membank bank[NR_BANKS];
  27 };
  28
  29 extern struct meminfo meminfo;
  30
  31 #define for_each_bank(iter, mi)                         \
  32         for (iter = 0; iter < (mi)->nr_banks; iter++)
  33
  34 #define bank_pfn_start(bank)    __phys_to_pfn((bank)->start)
  35 #define bank_pfn_end(bank)      __phys_to_pfn((bank)->start + (bank)->size)
  36 #define bank_pfn_size(bank)     ((bank)->size >> PAGE_SHIFT)
  37 #define bank_phys_start(bank)   ((bank)->start)
  38 #define bank_phys_end(bank)     ((bank)->start + (bank)->size)
  39 #define bank_phys_size(bank)    ((bank)->size)
  40
  41 extern void uc32_memblock_init(struct meminfo *);
  42
  43 #endif