pci.h 2.1 KB

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  1. /*
  2. * arch/arm/include/asm/mach/pci.h
  3. *
  4. * Copyright (C) 2000 Russell King
  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. struct pci_sys_data;
  11. struct pci_bus;
  12. struct hw_pci {
  13. struct list_head buses;
  14. int nr_controllers;
  15. int (*setup)(int nr, struct pci_sys_data *);
  16. struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
  17. void (*preinit)(void);
  18. void (*postinit)(void);
  19. u8 (*swizzle)(struct pci_dev *dev, u8 *pin);
  20. int (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
  21. };
  22. /*
  23. * Per-controller structure
  24. */
  25. struct pci_sys_data {
  26. struct list_head node;
  27. int busnr; /* primary bus number */
  28. u64 mem_offset; /* bus->cpu memory mapping offset */
  29. unsigned long io_offset; /* bus->cpu IO mapping offset */
  30. struct pci_bus *bus; /* PCI bus */
  31. struct resource *resource[3]; /* Primary PCI bus resources */
  32. /* Bridge swizzling */
  33. u8 (*swizzle)(struct pci_dev *, u8 *);
  34. /* IRQ mapping */
  35. int (*map_irq)(struct pci_dev *, u8, u8);
  36. struct hw_pci *hw;
  37. };
  38. /*
  39. * This is the standard PCI-PCI bridge swizzling algorithm.
  40. */
  41. #define pci_std_swizzle pci_common_swizzle
  42. /*
  43. * Call this with your hw_pci struct to initialise the PCI system.
  44. */
  45. void pci_common_init(struct hw_pci *);
  46. /*
  47. * PCI controllers
  48. */
  49. extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
  50. extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *);
  51. extern void iop3xx_pci_preinit(void);
  52. extern void iop3xx_pci_preinit_cond(void);
  53. extern int dc21285_setup(int nr, struct pci_sys_data *);
  54. extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *);
  55. extern void dc21285_preinit(void);
  56. extern void dc21285_postinit(void);
  57. extern int via82c505_setup(int nr, struct pci_sys_data *);
  58. extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *);
  59. extern void via82c505_init(void *sysdata);
  60. extern int pci_v3_setup(int nr, struct pci_sys_data *);
  61. extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *);
  62. extern void pci_v3_preinit(void);
  63. extern void pci_v3_postinit(void);