1/*
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	u64		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 iop3xx_pci_setup(int nr, struct pci_sys_data *);
56extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *);
57extern void iop3xx_pci_preinit(void);
58
59extern int dc21285_setup(int nr, struct pci_sys_data *);
60extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *);
61extern void dc21285_preinit(void);
62extern void dc21285_postinit(void);
63
64extern int via82c505_setup(int nr, struct pci_sys_data *);
65extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *);
66extern void via82c505_init(void *sysdata);
67
68extern int pci_v3_setup(int nr, struct pci_sys_data *);
69extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *);
70extern void pci_v3_preinit(void);
71extern void pci_v3_postinit(void);
72