pci_64.h 1.6 KB

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  1. #ifndef __SPARC64_PCI_H
  2. #define __SPARC64_PCI_H
  3. #ifdef __KERNEL__
  4. #include <linux/dma-mapping.h>
  5. /* Can be used to override the logic in pci_scan_bus for skipping
  6. * already-configured bus numbers - to be used for buggy BIOSes
  7. * or architectures with incomplete PCI setup by the loader.
  8. */
  9. #define pcibios_assign_all_busses() 0
  10. #define PCIBIOS_MIN_IO 0UL
  11. #define PCIBIOS_MIN_MEM 0UL
  12. #define PCI_IRQ_NONE 0xffffffff
  13. /* The PCI address space does not equal the physical memory
  14. * address space. The networking and block device layers use
  15. * this boolean for bounce buffer decisions.
  16. */
  17. #define PCI_DMA_BUS_IS_PHYS (0)
  18. /* PCI IOMMU mapping bypass support. */
  19. /* PCI 64-bit addressing works for all slots on all controller
  20. * types on sparc64. However, it requires that the device
  21. * can drive enough of the 64 bits.
  22. */
  23. #define PCI64_REQUIRED_MASK (~(u64)0)
  24. #define PCI64_ADDR_BASE 0xfffc000000000000UL
  25. /* Return the index of the PCI controller for device PDEV. */
  26. int pci_domain_nr(struct pci_bus *bus);
  27. static inline int pci_proc_domain(struct pci_bus *bus)
  28. {
  29. return 1;
  30. }
  31. /* Platform support for /proc/bus/pci/X/Y mmap()s. */
  32. #define HAVE_PCI_MMAP
  33. #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA
  34. #define get_pci_unmapped_area get_fb_unmapped_area
  35. int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
  36. enum pci_mmap_state mmap_state,
  37. int write_combine);
  38. static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  39. {
  40. return PCI_IRQ_NONE;
  41. }
  42. #define HAVE_ARCH_PCI_RESOURCE_TO_USER
  43. #endif /* __KERNEL__ */
  44. #endif /* __SPARC64_PCI_H */