prom.h 821 B

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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
  2. /*
  3. * Definitions for Device tree / OpenFirmware handling on X86
  4. *
  5. * based on arch/powerpc/include/asm/prom.h which is
  6. * Copyright (C) 1996-2005 Paul Mackerras.
  7. */
  8. #ifndef _ASM_X86_PROM_H
  9. #define _ASM_X86_PROM_H
  10. #ifndef __ASSEMBLY__
  11. #include <linux/of.h>
  12. #include <linux/types.h>
  13. #include <linux/pci.h>
  14. #include <asm/irq.h>
  15. #include <linux/atomic.h>
  16. #include <asm/setup.h>
  17. #ifdef CONFIG_OF
  18. extern int of_ioapic;
  19. extern u64 initial_dtb;
  20. extern void add_dtb(u64 data);
  21. void x86_of_pci_init(void);
  22. void x86_dtb_init(void);
  23. #else
  24. static inline void add_dtb(u64 data) { }
  25. static inline void x86_of_pci_init(void) { }
  26. static inline void x86_dtb_init(void) { }
  27. #define of_ioapic 0
  28. #endif
  29. extern char cmd_line[COMMAND_LINE_SIZE];
  30. #endif /* __ASSEMBLY__ */
  31. #endif