pci.h 848 B

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  1. /*
  2. * linux/include/asm-generic/pci.h
  3. *
  4. * Copyright (C) 2003 Russell King
  5. */
  6. #ifndef _ASM_GENERIC_PCI_H
  7. #define _ASM_GENERIC_PCI_H
  8. #define ARCH_HAS_GENERIC_PCI_OFFSETS
  9. static inline struct resource *
  10. pcibios_select_root(struct pci_dev *pdev, struct resource *res)
  11. {
  12. struct resource *root = NULL;
  13. if (res->flags & IORESOURCE_IO)
  14. root = &ioport_resource;
  15. if (res->flags & IORESOURCE_MEM)
  16. root = &iomem_resource;
  17. return root;
  18. }
  19. #ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
  20. static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  21. {
  22. return channel ? 15 : 14;
  23. }
  24. #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
  25. /*
  26. * By default, assume that no iommu is in use and that the PCI
  27. * space is mapped to address physical 0.
  28. */
  29. #ifndef PCI_DMA_BUS_IS_PHYS
  30. #define PCI_DMA_BUS_IS_PHYS (1)
  31. #endif
  32. #endif /* _ASM_GENERIC_PCI_H */