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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Russell King4baa9922008-08-02 10:55:55 +01002 * arch/arm/include/asm/mach/pci.h
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
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
Anton Vorontsov52882172010-04-19 13:20:49 +010011#ifndef __ASM_MACH_PCI_H
12#define __ASM_MACH_PCI_H
13
Linus Torvalds1da177e2005-04-16 15:20:36 -070014struct pci_sys_data;
15struct pci_bus;
16
17struct hw_pci {
Anton Vorontsov52882172010-04-19 13:20:49 +010018#ifdef CONFIG_PCI_DOMAINS
19 int domain;
20#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070021 struct list_head buses;
22 int nr_controllers;
23 int (*setup)(int nr, struct pci_sys_data *);
24 struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
25 void (*preinit)(void);
26 void (*postinit)(void);
27 u8 (*swizzle)(struct pci_dev *dev, u8 *pin);
28 int (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
29};
30
31/*
32 * Per-controller structure
33 */
34struct pci_sys_data {
Anton Vorontsov52882172010-04-19 13:20:49 +010035#ifdef CONFIG_PCI_DOMAINS
36 int domain;
37#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070038 struct list_head node;
39 int busnr; /* primary bus number */
Greg Kroah-Hartmane31dd6e2006-06-12 17:06:02 -070040 u64 mem_offset; /* bus->cpu memory mapping offset */
Linus Torvalds1da177e2005-04-16 15:20:36 -070041 unsigned long io_offset; /* bus->cpu IO mapping offset */
42 struct pci_bus *bus; /* PCI bus */
43 struct resource *resource[3]; /* Primary PCI bus resources */
44 /* Bridge swizzling */
45 u8 (*swizzle)(struct pci_dev *, u8 *);
46 /* IRQ mapping */
47 int (*map_irq)(struct pci_dev *, u8, u8);
48 struct hw_pci *hw;
49};
50
51/*
52 * This is the standard PCI-PCI bridge swizzling algorithm.
53 */
Bjorn Helgaas06df6992008-12-16 21:37:05 -070054#define pci_std_swizzle pci_common_swizzle
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
56/*
57 * Call this with your hw_pci struct to initialise the PCI system.
58 */
59void pci_common_init(struct hw_pci *);
60
61/*
62 * PCI controllers
63 */
Lennert Buytenhek0cb015f2006-09-18 23:16:23 +010064extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
65extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *);
66extern void iop3xx_pci_preinit(void);
Dan Williamsc34002c2008-03-26 19:12:38 -070067extern void iop3xx_pci_preinit_cond(void);
Lennert Buytenhek0cb015f2006-09-18 23:16:23 +010068
Linus Torvalds1da177e2005-04-16 15:20:36 -070069extern int dc21285_setup(int nr, struct pci_sys_data *);
70extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *);
71extern void dc21285_preinit(void);
72extern void dc21285_postinit(void);
73
74extern int via82c505_setup(int nr, struct pci_sys_data *);
75extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *);
76extern void via82c505_init(void *sysdata);
77
78extern int pci_v3_setup(int nr, struct pci_sys_data *);
79extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *);
80extern void pci_v3_preinit(void);
81extern void pci_v3_postinit(void);
Anton Vorontsov52882172010-04-19 13:20:49 +010082
83#endif /* __ASM_MACH_PCI_H */