prom.h 1.3 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 int early_init_dt_scan_memory_arch(unsigned long node,
  19. const char *uname, int depth, void *data);
  20. extern int reserve_mem_mach(unsigned long addr, unsigned long size);
  21. extern void free_mem_mach(unsigned long addr, unsigned long size);
  22. extern void device_tree_init(void);
  23. static inline unsigned long pci_address_to_pio(phys_addr_t address)
  24. {
  25. /*
  26. * The ioport address can be directly used by inX() / outX()
  27. */
  28. BUG_ON(address > IO_SPACE_LIMIT);
  29. return (unsigned long) address;
  30. }
  31. #define pci_address_to_pio pci_address_to_pio
  32. struct boot_param_header;
  33. extern void __dt_setup_arch(struct boot_param_header *bph);
  34. #define dt_setup_arch(sym) \
  35. ({ \
  36. extern struct boot_param_header __dtb_##sym##_begin; \
  37. \
  38. __dt_setup_arch(&__dtb_##sym##_begin); \
  39. })
  40. #else /* CONFIG_OF */
  41. static inline void device_tree_init(void) { }
  42. #endif /* CONFIG_OF */
  43. #endif /* __ASM_PROM_H */