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
13 #ifdef CONFIG_PCI
14
15 #include <linux/pci.h>
16 #include <asm/pci-bridge.h>
17
18 extern unsigned long isa_io_base;
19
20 extern void pci_setup_phb_io(struct pci_controller *hose, int primary);
21 extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
22
23
24 extern struct list_head hose_list;
25
26 extern void find_and_init_phbs(void);
27
28 extern struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
29
30 /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
31 #define BUID_HI(buid) upper_32_bits(buid)
32 #define BUID_LO(buid) lower_32_bits(buid)
33
34 /* PCI device_node operations */
35 struct device_node;
36 typedef void *(*traverse_func)(struct device_node *me, void *data);
37 void *traverse_pci_devices(struct device_node *start, traverse_func pre,
38 void *data);
39
40 extern void pci_devs_phb_init(void);
41 extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
42
43 /* From rtas_pci.h */
44 extern void init_pci_config_tokens (void);
45 extern unsigned long get_phb_buid (struct device_node *);
46 extern int rtas_setup_phb(struct pci_controller *phb);
47
48 #ifdef CONFIG_EEH
49
50 void pci_addr_cache_build(void);
51 void pci_addr_cache_insert_device(struct pci_dev *dev);
52 void pci_addr_cache_remove_device(struct pci_dev *dev);
53 struct pci_dev *pci_addr_cache_get_device(unsigned long addr);
54 void eeh_slot_error_detail(struct eeh_dev *edev, int severity);
55 int eeh_pci_enable(struct eeh_dev *edev, int function);
56 int eeh_reset_pe(struct eeh_dev *);
57 void eeh_restore_bars(struct eeh_dev *);
58 int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
59 int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
60 void eeh_mark_slot(struct device_node *dn, int mode_flag);
61 void eeh_clear_slot(struct device_node *dn, int mode_flag);
62 struct device_node *eeh_find_device_pe(struct device_node *dn);
63
64 void eeh_sysfs_add_device(struct pci_dev *pdev);
65 void eeh_sysfs_remove_device(struct pci_dev *pdev);
66
eeh_pci_name(struct pci_dev * pdev)67 static inline const char *eeh_pci_name(struct pci_dev *pdev)
68 {
69 return pdev ? pci_name(pdev) : "<null>";
70 }
71
eeh_driver_name(struct pci_dev * pdev)72 static inline const char *eeh_driver_name(struct pci_dev *pdev)
73 {
74 return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
75 }
76
77 #endif /* CONFIG_EEH */
78
79 #else /* CONFIG_PCI */
find_and_init_phbs(void)80 static inline void find_and_init_phbs(void) { }
init_pci_config_tokens(void)81 static inline void init_pci_config_tokens(void) { }
82 #endif /* !CONFIG_PCI */
83
84 #endif /* __KERNEL__ */
85 #endif /* _ASM_POWERPC_PPC_PCI_H */
86