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-rw-r--r--include/asm-powerpc/ppc-pci.h96
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diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h
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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
15extern unsigned long isa_io_base;
16
17extern void pci_setup_phb_io(struct pci_controller *hose, int primary);
18extern void pci_setup_phb_io_dynamic(struct pci_controller *hose, int primary);
19
20
21extern struct list_head hose_list;
22extern int global_phb_number;
23
24extern unsigned long find_and_init_phbs(void);
25
26extern 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 */
33struct device_node;
34typedef void *(*traverse_func)(struct device_node *me, void *data);
35void *traverse_pci_devices(struct device_node *start, traverse_func pre,
36 void *data);
37
38void pci_devs_phb_init(void);
39void pci_devs_phb_init_dynamic(struct pci_controller *phb);
40void __devinit scan_phb(struct pci_controller *hose);
41
42/* From rtas_pci.h */
43void init_pci_config_tokens (void);
44unsigned long get_phb_buid (struct device_node *);
45
46/* From pSeries_pci.h */
47extern void pSeries_final_fixup(void);
48extern void pSeries_irq_bus_setup(struct pci_bus *bus);
49
50extern 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 */
62void 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 */
72void 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 */
83void rtas_configure_bridge(struct pci_dn *);
84
85int 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 */
91void eeh_mark_slot (struct device_node *dn, int mode_flag);
92void eeh_clear_slot (struct device_node *dn, int mode_flag);
93
94#endif
95
96#endif /* _ASM_POWERPC_PPC_PCI_H */