ppc-pci.h 2.7 KB

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  1. /*
  2. * c 2001 PPC 64 Team, IBM Corp
  3. *
  4. * This program is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU General Public License
  6. * as published by the Free Software Foundation; either version
  7. * 2 of the License, or (at your option) any later version.
  8. */
  9. #ifndef _ASM_POWERPC_PPC_PCI_H
  10. #define _ASM_POWERPC_PPC_PCI_H
  11. #ifdef __KERNEL__
  12. #ifdef CONFIG_PCI
  13. #include <linux/pci.h>
  14. #include <asm/pci-bridge.h>
  15. extern unsigned long isa_io_base;
  16. extern void pci_setup_phb_io(struct pci_controller *hose, int primary);
  17. extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
  18. extern struct list_head hose_list;
  19. extern void find_and_init_phbs(void);
  20. extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
  21. /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
  22. #define BUID_HI(buid) upper_32_bits(buid)
  23. #define BUID_LO(buid) lower_32_bits(buid)
  24. /* PCI device_node operations */
  25. struct device_node;
  26. typedef void *(*traverse_func)(struct device_node *me, void *data);
  27. void *traverse_pci_devices(struct device_node *start, traverse_func pre,
  28. void *data);
  29. extern void pci_devs_phb_init(void);
  30. extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
  31. /* From rtas_pci.h */
  32. extern void init_pci_config_tokens (void);
  33. extern unsigned long get_phb_buid (struct device_node *);
  34. extern int rtas_setup_phb(struct pci_controller *phb);
  35. #ifdef CONFIG_EEH
  36. void pci_addr_cache_build(void);
  37. void pci_addr_cache_insert_device(struct pci_dev *dev);
  38. void pci_addr_cache_remove_device(struct pci_dev *dev);
  39. struct pci_dev *pci_addr_cache_get_device(unsigned long addr);
  40. void eeh_slot_error_detail(struct eeh_dev *edev, int severity);
  41. int eeh_pci_enable(struct eeh_dev *edev, int function);
  42. int eeh_reset_pe(struct eeh_dev *);
  43. void eeh_restore_bars(struct eeh_dev *);
  44. int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
  45. int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
  46. void eeh_mark_slot(struct device_node *dn, int mode_flag);
  47. void eeh_clear_slot(struct device_node *dn, int mode_flag);
  48. struct device_node *eeh_find_device_pe(struct device_node *dn);
  49. void eeh_sysfs_add_device(struct pci_dev *pdev);
  50. void eeh_sysfs_remove_device(struct pci_dev *pdev);
  51. static inline const char *eeh_pci_name(struct pci_dev *pdev)
  52. {
  53. return pdev ? pci_name(pdev) : "<null>";
  54. }
  55. static inline const char *eeh_driver_name(struct pci_dev *pdev)
  56. {
  57. return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
  58. }
  59. #endif /* CONFIG_EEH */
  60. #else /* CONFIG_PCI */
  61. static inline void find_and_init_phbs(void) { }
  62. static inline void init_pci_config_tokens(void) { }
  63. #endif /* !CONFIG_PCI */
  64. #endif /* __KERNEL__ */
  65. #endif /* _ASM_POWERPC_PPC_PCI_H */