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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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 */
Stephen Rothwelld3878992005-09-28 02:50:25 +10009#ifndef _ASM_POWERPC_PPC_PCI_H
10#define _ASM_POWERPC_PPC_PCI_H
Arnd Bergmann88ced032005-12-16 22:43:46 +010011#ifdef __KERNEL__
Linus Torvalds1da177e2005-04-16 15:20:36 -070012
Stephen Rothwellbed59272007-03-04 17:04:44 +110013#ifdef CONFIG_PCI
14
Linus Torvalds1da177e2005-04-16 15:20:36 -070015#include <linux/pci.h>
16#include <asm/pci-bridge.h>
17
18extern unsigned long isa_io_base;
19
Linus Torvalds1da177e2005-04-16 15:20:36 -070020extern void pci_setup_phb_io(struct pci_controller *hose, int primary);
21extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
22
23
24extern struct list_head hose_list;
Linus Torvalds1da177e2005-04-16 15:20:36 -070025
Stephen Rothwell36241ce2007-03-04 17:07:38 +110026extern void find_and_init_phbs(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070027
Benjamin Herrenschmidt3d5134e2007-06-04 15:15:36 +100028extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
linasae65a392005-11-03 18:42:26 -060030/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
Nishanth Aravamudandda804a2010-09-15 08:13:19 +000031#define BUID_HI(buid) upper_32_bits(buid)
32#define BUID_LO(buid) lower_32_bits(buid)
linasae65a392005-11-03 18:42:26 -060033
Linus Torvalds1da177e2005-04-16 15:20:36 -070034/* PCI device_node operations */
35struct device_node;
36typedef void *(*traverse_func)(struct device_node *me, void *data);
37void *traverse_pci_devices(struct device_node *start, traverse_func pre,
38 void *data);
39
Benjamin Herrenschmidt4c9d2802006-11-11 17:25:08 +110040extern void pci_devs_phb_init(void);
41extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
John Rosedad32bb2005-06-23 17:09:54 +100043/* From rtas_pci.h */
Benjamin Herrenschmidt4c9d2802006-11-11 17:25:08 +110044extern void init_pci_config_tokens (void);
45extern unsigned long get_phb_buid (struct device_node *);
46extern int rtas_setup_phb(struct pci_controller *phb);
Linus Torvalds1da177e2005-04-16 15:20:36 -070047
Linas Vepstas6dee3fb2005-11-03 18:50:10 -060048#ifdef CONFIG_EEH
Linas Vepstas5d5a0932005-11-03 18:53:07 -060049
Gavin Shandef9d832012-02-27 20:04:03 +000050void pci_addr_cache_build(void);
Linas Vepstas5d5a0932005-11-03 18:53:07 -060051void pci_addr_cache_insert_device(struct pci_dev *dev);
52void pci_addr_cache_remove_device(struct pci_dev *dev);
Gavin Shandef9d832012-02-27 20:04:03 +000053struct pci_dev *pci_addr_cache_get_device(unsigned long addr);
Gavin Shanf631acd2012-02-27 20:04:07 +000054void eeh_slot_error_detail(struct eeh_dev *edev, int severity);
55int eeh_pci_enable(struct eeh_dev *edev, int function);
56int eeh_reset_pe(struct eeh_dev *);
57void eeh_restore_bars(struct eeh_dev *);
Linas Vepstas8b553f32005-11-03 18:50:17 -060058int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
Linas Vepstas7684b402005-11-03 18:55:19 -060059int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
Gavin Shancb3bc9d2012-02-27 20:03:51 +000060void eeh_mark_slot(struct device_node *dn, int mode_flag);
61void eeh_clear_slot(struct device_node *dn, int mode_flag);
Gavin Shancce4b2d2012-02-27 20:03:52 +000062struct device_node *eeh_find_device_pe(struct device_node *dn);
Linas Vepstas9fb40eb2005-11-03 18:54:29 -060063
Linas Vepstase1d04c92007-05-24 03:16:46 +100064void eeh_sysfs_add_device(struct pci_dev *pdev);
65void eeh_sysfs_remove_device(struct pci_dev *pdev);
66
Breno Leitao8d3d50b2010-02-03 05:56:41 +000067static inline const char *eeh_pci_name(struct pci_dev *pdev)
68{
69 return pdev ? pci_name(pdev) : "<null>";
70}
71
Thadeu Lima de Souza Cascardo778a7852012-01-11 09:09:58 +000072static inline const char *eeh_driver_name(struct pci_dev *pdev)
73{
74 return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
75}
76
Linas Vepstas17213c32007-05-10 02:38:11 +100077#endif /* CONFIG_EEH */
Linas Vepstas6dee3fb2005-11-03 18:50:10 -060078
Stephen Rothwellbed59272007-03-04 17:04:44 +110079#else /* CONFIG_PCI */
80static inline void find_and_init_phbs(void) { }
81static inline void init_pci_config_tokens(void) { }
82#endif /* !CONFIG_PCI */
83
Arnd Bergmann88ced032005-12-16 22:43:46 +010084#endif /* __KERNEL__ */
Stephen Rothwelld3878992005-09-28 02:50:25 +100085#endif /* _ASM_POWERPC_PPC_PCI_H */