prom.h 1.2 KB

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  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. #ifdef CONFIG_OF
  14. #include <linux/bug.h>
  15. #include <linux/io.h>
  16. #include <linux/types.h>
  17. #include <asm/bootinfo.h>
  18. extern void device_tree_init(void);
  19. static inline unsigned long pci_address_to_pio(phys_addr_t address)
  20. {
  21. /*
  22. * The ioport address can be directly used by inX() / outX()
  23. */
  24. BUG_ON(address > IO_SPACE_LIMIT);
  25. return (unsigned long) address;
  26. }
  27. #define pci_address_to_pio pci_address_to_pio
  28. struct boot_param_header;
  29. extern void __dt_setup_arch(struct boot_param_header *bph);
  30. #define dt_setup_arch(sym) \
  31. ({ \
  32. extern struct boot_param_header __dtb_##sym##_begin; \
  33. \
  34. __dt_setup_arch(&__dtb_##sym##_begin); \
  35. })
  36. #else /* CONFIG_OF */
  37. static inline void device_tree_init(void) { }
  38. #endif /* CONFIG_OF */
  39. extern char *mips_get_machine_name(void);
  40. extern void mips_set_machine_name(const char *name);
  41. #endif /* __ASM_PROM_H */