arch/mips/include/asm/prom.h

   1 /*
   2  *  arch/mips/include/asm/prom.h
   3  *
   4  *  Copyright (C) 2010 Cisco Systems Inc. <dediao@cisco.com>
   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  */
  11 #ifndef __ASM_PROM_H
  12 #define __ASM_PROM_H
  13
  14 #ifdef CONFIG_OF
  15 #include <linux/bug.h>
  16 #include <linux/io.h>
  17 #include <linux/types.h>
  18 #include <asm/bootinfo.h>
  19
  20 extern void device_tree_init(void);
  21
  22 struct boot_param_header;
  23
  24 extern void __dt_setup_arch(void *bph);
  25 extern int __dt_register_buses(const char *bus0, const char *bus1);
  26
  27 #define dt_setup_arch(sym)                                              \
  28 ({                                                                      \
  29         extern char __dtb_##sym##_begin[];                              \
  30                                                                         \
  31         __dt_setup_arch(__dtb_##sym##_begin);                           \
  32 })
  33
  34 #else /* CONFIG_OF */
  35 static inline void device_tree_init(void) { }
  36 #endif /* CONFIG_OF */
  37
  38 extern char *mips_get_machine_name(void);
  39 extern void mips_set_machine_name(const char *name);
  40
  41 #endif /* __ASM_PROM_H */