ARM: Add fixed PCI i/o mapping
[linux-2.6-block.git] / arch / arm / include / asm / mach / pci.h
CommitLineData
1da177e4 1/*
4baa9922 2 * arch/arm/include/asm/mach/pci.h
1da177e4
LT
3 *
4 * Copyright (C) 2000 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
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11#ifndef __ASM_MACH_PCI_H
12#define __ASM_MACH_PCI_H
13
c2794437 14
1da177e4 15struct pci_sys_data;
c23bfc38 16struct pci_ops;
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17struct pci_bus;
18
19struct hw_pci {
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20#ifdef CONFIG_PCI_DOMAINS
21 int domain;
22#endif
c23bfc38 23 struct pci_ops *ops;
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24 int nr_controllers;
25 int (*setup)(int nr, struct pci_sys_data *);
26 struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
27 void (*preinit)(void);
28 void (*postinit)(void);
29 u8 (*swizzle)(struct pci_dev *dev, u8 *pin);
d5341942 30 int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin);
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31};
32
33/*
34 * Per-controller structure
35 */
36struct pci_sys_data {
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37#ifdef CONFIG_PCI_DOMAINS
38 int domain;
39#endif
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40 struct list_head node;
41 int busnr; /* primary bus number */
e31dd6e4 42 u64 mem_offset; /* bus->cpu memory mapping offset */
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43 unsigned long io_offset; /* bus->cpu IO mapping offset */
44 struct pci_bus *bus; /* PCI bus */
37d15909 45 struct list_head resources; /* root bus resources (apertures) */
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46 /* Bridge swizzling */
47 u8 (*swizzle)(struct pci_dev *, u8 *);
48 /* IRQ mapping */
d5341942 49 int (*map_irq)(const struct pci_dev *, u8, u8);
35fe2fc4 50 void *private_data; /* platform controller private data */
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51};
52
1da177e4
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53/*
54 * Call this with your hw_pci struct to initialise the PCI system.
55 */
56void pci_common_init(struct hw_pci *);
57
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58/*
59 * Setup early fixed I/O mapping.
60 */
61#if defined(CONFIG_PCI)
62extern void pci_map_io_early(unsigned long pfn);
63#else
64static inline void pci_map_io_early(unsigned long pfn) {}
65#endif
66
1da177e4
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67/*
68 * PCI controllers
69 */
c23bfc38 70extern struct pci_ops iop3xx_ops;
0cb015f9 71extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
0cb015f9 72extern void iop3xx_pci_preinit(void);
c34002c1 73extern void iop3xx_pci_preinit_cond(void);
0cb015f9 74
c23bfc38 75extern struct pci_ops dc21285_ops;
1da177e4 76extern int dc21285_setup(int nr, struct pci_sys_data *);
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77extern void dc21285_preinit(void);
78extern void dc21285_postinit(void);
79
c23bfc38 80extern struct pci_ops via82c505_ops;
1da177e4 81extern int via82c505_setup(int nr, struct pci_sys_data *);
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82extern void via82c505_init(void *sysdata);
83
c23bfc38 84extern struct pci_ops pci_v3_ops;
1da177e4 85extern int pci_v3_setup(int nr, struct pci_sys_data *);
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86extern void pci_v3_preinit(void);
87extern void pci_v3_postinit(void);
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88
89#endif /* __ASM_MACH_PCI_H */