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 struct pci_dev *isa_bridge_pcidev; /* may be NULL if no ISA bus */
27
28 /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
29 #define BUID_HI(buid) upper_32_bits(buid)
30 #define BUID_LO(buid) lower_32_bits(buid)
31
32 /* PCI device_node operations */
33 struct device_node;
34 struct pci_dn;
35
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 void *traverse_pci_dn(struct pci_dn *root,
40 void *(*fn)(struct pci_dn *, void *),
41 void *data);
42
43 extern void pci_devs_phb_init(void);
44 extern void pci_devs_phb_init_dynamic(struct pci_controller *phb);
45
46 /* From rtas_pci.h */
47 extern void init_pci_config_tokens (void);
48 extern unsigned long get_phb_buid (struct device_node *);
49 extern int rtas_setup_phb(struct pci_controller *phb);
50
51 #ifdef CONFIG_EEH
52
53 void eeh_addr_cache_insert_dev(struct pci_dev *dev);
54 void eeh_addr_cache_rmv_dev(struct pci_dev *dev);
55 struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr);
56 void eeh_slot_error_detail(struct eeh_pe *pe, int severity);
57 int eeh_pci_enable(struct eeh_pe *pe, int function);
58 int eeh_reset_pe(struct eeh_pe *);
59 void eeh_save_bars(struct eeh_dev *edev);
60 int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
61 int rtas_read_config(struct pci_dn *, int where, int size, u32 *val);
62 void eeh_pe_state_mark(struct eeh_pe *pe, int state);
63 void eeh_pe_state_clear(struct eeh_pe *pe, int state);
64 void eeh_pe_state_mark_with_cfg(struct eeh_pe *pe, int state);
65 void eeh_pe_dev_mode_mark(struct eeh_pe *pe, int mode);
66
67 void eeh_sysfs_add_device(struct pci_dev *pdev);
68 void eeh_sysfs_remove_device(struct pci_dev *pdev);
69
eeh_pci_name(struct pci_dev * pdev)70 static inline const char *eeh_pci_name(struct pci_dev *pdev)
71 {
72 return pdev ? pci_name(pdev) : "<null>";
73 }
74
eeh_driver_name(struct pci_dev * pdev)75 static inline const char *eeh_driver_name(struct pci_dev *pdev)
76 {
77 return (pdev && pdev->driver) ? pdev->driver->name : "<null>";
78 }
79
80 #endif /* CONFIG_EEH */
81
82 #else /* CONFIG_PCI */
init_pci_config_tokens(void)83 static inline void init_pci_config_tokens(void) { }
84 #endif /* !CONFIG_PCI */
85
86 #endif /* __KERNEL__ */
87 #endif /* _ASM_POWERPC_PPC_PCI_H */
88