pci.h 2.8 KB

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  1. /*
  2. * This program is free software; you can redistribute it and/or
  3. * modify it under the terms of the GNU General Public License
  4. * as published by the Free Software Foundation; either version
  5. * 2 of the License, or (at your option) any later version.
  6. *
  7. * Based on powerpc version
  8. */
  9. #ifndef __ASM_MICROBLAZE_PCI_H
  10. #define __ASM_MICROBLAZE_PCI_H
  11. #ifdef __KERNEL__
  12. #include <linux/types.h>
  13. #include <linux/slab.h>
  14. #include <linux/string.h>
  15. #include <linux/dma-mapping.h>
  16. #include <linux/pci.h>
  17. #include <linux/scatterlist.h>
  18. #include <asm/io.h>
  19. #include <asm/prom.h>
  20. #include <asm/pci-bridge.h>
  21. #define PCIBIOS_MIN_IO 0x1000
  22. #define PCIBIOS_MIN_MEM 0x10000000
  23. /* Values for the `which' argument to sys_pciconfig_iobase syscall. */
  24. #define IOBASE_BRIDGE_NUMBER 0
  25. #define IOBASE_MEMORY 1
  26. #define IOBASE_IO 2
  27. #define IOBASE_ISA_IO 3
  28. #define IOBASE_ISA_MEM 4
  29. #define pcibios_scan_all_fns(a, b) 0
  30. /*
  31. * Set this to 1 if you want the kernel to re-assign all PCI
  32. * bus numbers (don't do that on ppc64 yet !)
  33. */
  34. #define pcibios_assign_all_busses() 0
  35. extern int pci_domain_nr(struct pci_bus *bus);
  36. /* Decide whether to display the domain number in /proc */
  37. extern int pci_proc_domain(struct pci_bus *bus);
  38. struct vm_area_struct;
  39. /* Map a range of PCI memory or I/O space for a device into user space */
  40. int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
  41. enum pci_mmap_state mmap_state, int write_combine);
  42. /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
  43. #define HAVE_PCI_MMAP 1
  44. extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val,
  45. size_t count);
  46. extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
  47. size_t count);
  48. extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
  49. struct vm_area_struct *vma,
  50. enum pci_mmap_state mmap_state);
  51. #define HAVE_PCI_LEGACY 1
  52. /* The PCI address space does equal the physical memory
  53. * address space (no IOMMU). The IDE and SCSI device layers use
  54. * this boolean for bounce buffer decisions.
  55. */
  56. #define PCI_DMA_BUS_IS_PHYS (1)
  57. extern void pcibios_claim_one_bus(struct pci_bus *b);
  58. extern void pcibios_finish_adding_to_bus(struct pci_bus *bus);
  59. extern void pcibios_resource_survey(void);
  60. struct file;
  61. extern pgprot_t pci_phys_mem_access_prot(struct file *file,
  62. unsigned long pfn,
  63. unsigned long size,
  64. pgprot_t prot);
  65. #define HAVE_ARCH_PCI_RESOURCE_TO_USER
  66. extern void pcibios_setup_bus_devices(struct pci_bus *bus);
  67. extern void pcibios_setup_bus_self(struct pci_bus *bus);
  68. /* This part of code was originally in xilinx-pci.h */
  69. #ifdef CONFIG_PCI_XILINX
  70. extern void __init xilinx_pci_init(void);
  71. #else
  72. static inline void __init xilinx_pci_init(void) { return; }
  73. #endif
  74. #endif /* __KERNEL__ */
  75. #endif /* __ASM_MICROBLAZE_PCI_H */