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Diffstat (limited to 'include/asm-powerpc/ppc-pci.h')
-rw-r--r-- | include/asm-powerpc/ppc-pci.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h new file mode 100644 index 000000000000..36cdc869e580 --- /dev/null +++ b/include/asm-powerpc/ppc-pci.h | |||
@@ -0,0 +1,96 @@ | |||
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 | |||
12 | #include <linux/pci.h> | ||
13 | #include <asm/pci-bridge.h> | ||
14 | |||
15 | extern unsigned long isa_io_base; | ||
16 | |||
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 | |||
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 | |||
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); | ||
40 | void __devinit scan_phb(struct pci_controller *hose); | ||
41 | |||
42 | /* From rtas_pci.h */ | ||
43 | void init_pci_config_tokens (void); | ||
44 | unsigned long get_phb_buid (struct device_node *); | ||
45 | |||
46 | /* From pSeries_pci.h */ | ||
47 | extern void pSeries_final_fixup(void); | ||
48 | extern void pSeries_irq_bus_setup(struct pci_bus *bus); | ||
49 | |||
50 | extern unsigned long pci_probe_only; | ||
51 | |||
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 | |||
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 | |||
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 | |||
94 | #endif | ||
95 | |||
96 | #endif /* _ASM_POWERPC_PPC_PCI_H */ | ||