arch/arm/include/asm/setup.h

   1 /*
   2  *  linux/include/asm/setup.h
   3  *
   4  *  Copyright (C) 1997-1999 Russell King
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10  *  Structure passed to kernel to tell it about the
  11  *  hardware it's running on.  See Documentation/arm/Setup
  12  *  for more info.
  13  */
  14 #ifndef __ASMARM_SETUP_H
  15 #define __ASMARM_SETUP_H
  16
  17 #include <uapi/asm/setup.h>
  18
  19
  20 #define __tag __used __attribute__((__section__(".taglist.init")))
  21 #define __tagtable(tag, fn) \
  22 static const struct tagtable __tagtable_##fn __tag = { tag, fn }
  23
  24 /*
  25  * Memory map description
  26  */
  27 #define NR_BANKS        CONFIG_ARM_NR_BANKS
  28
  29 struct membank {
  30         phys_addr_t start;
  31         phys_addr_t size;
  32         unsigned int highmem;
  33 };
  34
  35 struct meminfo {
  36         int nr_banks;
  37         struct membank bank[NR_BANKS];
  38 };
  39
  40 extern struct meminfo meminfo;
  41
  42 #define for_each_bank(iter,mi)                          \
  43         for (iter = 0; iter < (mi)->nr_banks; iter++)
  44
  45 #define bank_pfn_start(bank)    __phys_to_pfn((bank)->start)
  46 #define bank_pfn_end(bank)      __phys_to_pfn((bank)->start + (bank)->size)
  47 #define bank_pfn_size(bank)     ((bank)->size >> PAGE_SHIFT)
  48 #define bank_phys_start(bank)   (bank)->start
  49 #define bank_phys_end(bank)     ((bank)->start + (bank)->size)
  50 #define bank_phys_size(bank)    (bank)->size
  51
  52 extern int arm_add_memory(phys_addr_t start, phys_addr_t size);
  53 extern void early_print(const char *str, ...);
  54 extern void dump_machine_table(void);
  55
  56 #endif