/arch/arm/include/asm/mach/pci.h

 1/*
 2 *  arch/arm/include/asm/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
11#ifndef __ASM_MACH_PCI_H
12#define __ASM_MACH_PCI_H
13
14struct pci_sys_data;
15struct pci_bus;
16
17struct hw_pci {
18#ifdef CONFIG_PCI_DOMAINS
19	int		domain;
20#endif
21	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 {
35#ifdef CONFIG_PCI_DOMAINS
36	int		domain;
37#endif
38	struct list_head node;
39	int		busnr;		/* primary bus number			*/
40	u64		mem_offset;	/* bus->cpu memory mapping offset	*/
41	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 */
54#define pci_std_swizzle pci_common_swizzle
55
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 */
64extern 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);
67extern void iop3xx_pci_preinit_cond(void);
68
69extern 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);
82
83#endif /* __ASM_MACH_PCI_H */