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)(const 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)(const struct pci_dev *, u8, u8);
48	struct hw_pci	*hw;
49	void		*private_data;	/* platform controller private data	*/
50};
51
52/*
53 * This is the standard PCI-PCI bridge swizzling algorithm.
54 */
55#define pci_std_swizzle pci_common_swizzle
56
57/*
58 * Call this with your hw_pci struct to initialise the PCI system.
 
59 */
60void pci_common_init(struct hw_pci *);
 
 
 
 
 
 
 
 
 
 
 
 
61
62/*
63 * PCI controllers
64 */
 
65extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
66extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *);
67extern void iop3xx_pci_preinit(void);
68extern void iop3xx_pci_preinit_cond(void);
69
 
70extern int dc21285_setup(int nr, struct pci_sys_data *);
71extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *);
72extern void dc21285_preinit(void);
73extern void dc21285_postinit(void);
74
75extern int via82c505_setup(int nr, struct pci_sys_data *);
76extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *);
77extern void via82c505_init(void *sysdata);
78
79extern int pci_v3_setup(int nr, struct pci_sys_data *);
80extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *);
81extern void pci_v3_preinit(void);
82extern void pci_v3_postinit(void);
83
84#endif /* __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
14#include <linux/ioport.h>
15
16struct pci_sys_data;
17struct pci_ops;
18struct pci_bus;
19struct pci_host_bridge;
20struct device;
21
22struct hw_pci {
23	struct msi_controller *msi_ctrl;
24	struct pci_ops	*ops;
 
 
25	int		nr_controllers;
26	unsigned int	io_optional:1;
27	void		**private_data;
28	int		(*setup)(int nr, struct pci_sys_data *);
29	int		(*scan)(int nr, struct pci_host_bridge *);
30	void		(*preinit)(void);
31	void		(*postinit)(void);
32	u8		(*swizzle)(struct pci_dev *dev, u8 *pin);
33	int		(*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin);
34	resource_size_t (*align_resource)(struct pci_dev *dev,
35					  const struct resource *res,
36					  resource_size_t start,
37					  resource_size_t size,
38					  resource_size_t align);
39};
40
41/*
42 * Per-controller structure
43 */
44struct pci_sys_data {
 
 
 
45	struct list_head node;
46	int		busnr;		/* primary bus number			*/
47	u64		mem_offset;	/* bus->cpu memory mapping offset	*/
48	unsigned long	io_offset;	/* bus->cpu IO mapping offset		*/
49	struct pci_bus	*bus;		/* PCI bus				*/
50	struct list_head resources;	/* root bus resources (apertures)       */
51	struct resource io_res;
52	char		io_res_name[12];
53					/* Bridge swizzling			*/
54	u8		(*swizzle)(struct pci_dev *, u8 *);
55					/* IRQ mapping				*/
56	int		(*map_irq)(const struct pci_dev *, u8, u8);
 
57	void		*private_data;	/* platform controller private data	*/
58};
59
60/*
61 * Call this with your hw_pci struct to initialise the PCI system.
62 */
63void pci_common_init_dev(struct device *, struct hw_pci *);
64
65/*
66 * Compatibility wrapper for older platforms that do not care about
67 * passing the parent device.
68 */
69static inline void pci_common_init(struct hw_pci *hw)
70{
71	pci_common_init_dev(NULL, hw);
72}
73
74/*
75 * Setup early fixed I/O mapping.
76 */
77#if defined(CONFIG_PCI)
78extern void pci_map_io_early(unsigned long pfn);
79#else
80static inline void pci_map_io_early(unsigned long pfn) {}
81#endif
82
83/*
84 * PCI controllers
85 */
86extern struct pci_ops iop3xx_ops;
87extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
 
88extern void iop3xx_pci_preinit(void);
89extern void iop3xx_pci_preinit_cond(void);
90
91extern struct pci_ops dc21285_ops;
92extern int dc21285_setup(int nr, struct pci_sys_data *);
 
93extern void dc21285_preinit(void);
94extern void dc21285_postinit(void);
 
 
 
 
 
 
 
 
 
95
96#endif /* __ASM_MACH_PCI_H */