LXR linux/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
  20extern int early_init_dt_scan_memory_arch(unsigned long node,
  21        const char *uname, int depth, void *data);
  22
  23extern void device_tree_init(void);
  24
  25static inline unsigned long pci_address_to_pio(phys_addr_t address)
  26{
  27        /*
  28         * The ioport address can be directly used by inX() / outX()
  29         */
  30        BUG_ON(address > IO_SPACE_LIMIT);
  31
  32        return (unsigned long) address;
  33}
  34#define pci_address_to_pio pci_address_to_pio
  35
  36struct boot_param_header;
  37
  38extern void __dt_setup_arch(struct boot_param_header *bph);
  39
  40#define dt_setup_arch(sym)                                              \
  41({                                                                      \
  42        extern struct boot_param_header __dtb_##sym##_begin;            \
  43                                                                        \
  44        __dt_setup_arch(&__dtb_##sym##_begin);                          \
  45})
  46
  47#else /* CONFIG_OF */
  48static inline void device_tree_init(void) { }
  49#endif /* CONFIG_OF */
  50
  51extern char *mips_get_machine_name(void);
  52extern void mips_set_machine_name(const char *name);
  53
  54#endif /* __ASM_PROM_H */
  55