blob: 25d540ed0079bf2063921dddbe83b9fdadf67949 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/include/asm-arm/mach/pci.h
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
11struct pci_sys_data;
12struct pci_bus;
13
14struct hw_pci {
15 struct list_head buses;
16 int nr_controllers;
17 int (*setup)(int nr, struct pci_sys_data *);
18 struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
19 void (*preinit)(void);
20 void (*postinit)(void);
21 u8 (*swizzle)(struct pci_dev *dev, u8 *pin);
22 int (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
23};
24
25/*
26 * Per-controller structure
27 */
28struct pci_sys_data {
29 struct list_head node;
30 int busnr; /* primary bus number */
31 unsigned long mem_offset; /* bus->cpu memory mapping offset */
32 unsigned long io_offset; /* bus->cpu IO mapping offset */
33 struct pci_bus *bus; /* PCI bus */
34 struct resource *resource[3]; /* Primary PCI bus resources */
35 /* Bridge swizzling */
36 u8 (*swizzle)(struct pci_dev *, u8 *);
37 /* IRQ mapping */
38 int (*map_irq)(struct pci_dev *, u8, u8);
39 struct hw_pci *hw;
40};
41
42/*
43 * This is the standard PCI-PCI bridge swizzling algorithm.
44 */
45u8 pci_std_swizzle(struct pci_dev *dev, u8 *pinp);
46
47/*
48 * Call this with your hw_pci struct to initialise the PCI system.
49 */
50void pci_common_init(struct hw_pci *);
51
52/*
53 * PCI controllers
54 */
55extern int iop321_setup(int nr, struct pci_sys_data *);
56extern struct pci_bus *iop321_scan_bus(int nr, struct pci_sys_data *);
57extern void iop321_init(void);
58
59extern int iop331_setup(int nr, struct pci_sys_data *);
60extern struct pci_bus *iop331_scan_bus(int nr, struct pci_sys_data *);
61extern void iop331_init(void);
62
63extern int dc21285_setup(int nr, struct pci_sys_data *);
64extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *);
65extern void dc21285_preinit(void);
66extern void dc21285_postinit(void);
67
68extern int via82c505_setup(int nr, struct pci_sys_data *);
69extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *);
70extern void via82c505_init(void *sysdata);
71
72extern int pci_v3_setup(int nr, struct pci_sys_data *);
73extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *);
74extern void pci_v3_preinit(void);
75extern void pci_v3_postinit(void);