]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 | */ | |
d387899f SR |
9 | #ifndef _ASM_POWERPC_PPC_PCI_H |
10 | #define _ASM_POWERPC_PPC_PCI_H | |
1da177e4 LT |
11 | |
12 | #include <linux/pci.h> | |
13 | #include <asm/pci-bridge.h> | |
14 | ||
15 | extern unsigned long isa_io_base; | |
16 | ||
1da177e4 LT |
17 | extern void pci_setup_phb_io(struct pci_controller *hose, int primary); |
18 | extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary); | |
19 | ||
20 | ||
21 | extern struct list_head hose_list; | |
22 | extern int global_phb_number; | |
23 | ||
24 | extern unsigned long find_and_init_phbs(void); | |
25 | ||
26 | extern struct pci_dev *ppc64_isabridge_dev; /* may be NULL if no ISA bus */ | |
27 | ||
ae65a391 LV |
28 | /** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */ |
29 | #define BUID_HI(buid) ((buid) >> 32) | |
30 | #define BUID_LO(buid) ((buid) & 0xffffffff) | |
31 | ||
1da177e4 LT |
32 | /* PCI device_node operations */ |
33 | struct device_node; | |
34 | typedef void *(*traverse_func)(struct device_node *me, void *data); | |
35 | void *traverse_pci_devices(struct device_node *start, traverse_func pre, | |
36 | void *data); | |
37 | ||
38 | void pci_devs_phb_init(void); | |
39 | void pci_devs_phb_init_dynamic(struct pci_controller *phb); | |
ead83717 | 40 | void __devinit scan_phb(struct pci_controller *hose); |
1da177e4 | 41 | |
dad32bbf | 42 | /* From rtas_pci.h */ |
1da177e4 LT |
43 | void init_pci_config_tokens (void); |
44 | unsigned long get_phb_buid (struct device_node *); | |
45 | ||
dad32bbf JR |
46 | /* From pSeries_pci.h */ |
47 | extern void pSeries_final_fixup(void); | |
48 | extern void pSeries_irq_bus_setup(struct pci_bus *bus); | |
49 | ||
1da177e4 | 50 | extern unsigned long pci_probe_only; |
1da177e4 | 51 | |
6dee3fb9 LV |
52 | /* ---- EEH internal-use-only related routines ---- */ |
53 | #ifdef CONFIG_EEH | |
54 | /** | |
55 | * rtas_set_slot_reset -- unfreeze a frozen slot | |
56 | * | |
57 | * Clear the EEH-frozen condition on a slot. This routine | |
58 | * does this by asserting the PCI #RST line for 1/8th of | |
59 | * a second; this routine will sleep while the adapter is | |
60 | * being reset. | |
61 | */ | |
62 | void rtas_set_slot_reset (struct pci_dn *); | |
63 | ||
8b553f32 LV |
64 | /** |
65 | * eeh_restore_bars - Restore device configuration info. | |
66 | * | |
67 | * A reset of a PCI device will clear out its config space. | |
68 | * This routines will restore the config space for this | |
69 | * device, and is children, to values previously obtained | |
70 | * from the firmware. | |
71 | */ | |
72 | void eeh_restore_bars(struct pci_dn *); | |
73 | ||
74 | /** | |
75 | * rtas_configure_bridge -- firmware initialization of pci bridge | |
76 | * | |
77 | * Ask the firmware to configure all PCI bridges devices | |
78 | * located behind the indicated node. Required after a | |
79 | * pci device reset. Does essentially the same hing as | |
80 | * eeh_restore_bars, but for brdges, and lets firmware | |
81 | * do the work. | |
82 | */ | |
83 | void rtas_configure_bridge(struct pci_dn *); | |
84 | ||
85 | int rtas_write_config(struct pci_dn *, int where, int size, u32 val); | |
86 | ||
d9564ad1 LV |
87 | /** |
88 | * mark and clear slots: find "partition endpoint" PE and set or | |
89 | * clear the flags for each subnode of the PE. | |
90 | */ | |
91 | void eeh_mark_slot (struct device_node *dn, int mode_flag); | |
92 | void eeh_clear_slot (struct device_node *dn, int mode_flag); | |
93 | ||
6dee3fb9 LV |
94 | #endif |
95 | ||
d387899f | 96 | #endif /* _ASM_POWERPC_PPC_PCI_H */ |