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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 device;
20
21struct hw_pci {
22#ifdef CONFIG_PCI_DOMAINS
23 int domain;
24#endif
25 struct pci_ops *ops;
26 int nr_controllers;
27 void **private_data;
28 int (*setup)(int nr, struct pci_sys_data *);
29 struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
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 void (*add_bus)(struct pci_bus *bus);
40 void (*remove_bus)(struct pci_bus *bus);
41};
42
43/*
44 * Per-controller structure
45 */
46struct pci_sys_data {
47#ifdef CONFIG_PCI_DOMAINS
48 int domain;
49#endif
50 struct list_head node;
51 int busnr; /* primary bus number */
52 u64 mem_offset; /* bus->cpu memory mapping offset */
53 unsigned long io_offset; /* bus->cpu IO mapping offset */
54 struct pci_bus *bus; /* PCI bus */
55 struct list_head resources; /* root bus resources (apertures) */
56 struct resource io_res;
57 char io_res_name[12];
58 /* Bridge swizzling */
59 u8 (*swizzle)(struct pci_dev *, u8 *);
60 /* IRQ mapping */
61 int (*map_irq)(const struct pci_dev *, u8, u8);
62 /* Resource alignement requirements */
63 resource_size_t (*align_resource)(struct pci_dev *dev,
64 const struct resource *res,
65 resource_size_t start,
66 resource_size_t size,
67 resource_size_t align);
68 void (*add_bus)(struct pci_bus *bus);
69 void (*remove_bus)(struct pci_bus *bus);
70 void *private_data; /* platform controller private data */
71};
72
73/*
74 * Call this with your hw_pci struct to initialise the PCI system.
75 */
76void pci_common_init_dev(struct device *, struct hw_pci *);
77
78/*
79 * Compatibility wrapper for older platforms that do not care about
80 * passing the parent device.
81 */
82static inline void pci_common_init(struct hw_pci *hw)
83{
84 pci_common_init_dev(NULL, hw);
85}
86
87/*
88 * Setup early fixed I/O mapping.
89 */
90#if defined(CONFIG_PCI)
91extern void pci_map_io_early(unsigned long pfn);
92#else
93static inline void pci_map_io_early(unsigned long pfn) {}
94#endif
95
96/*
97 * PCI controllers
98 */
99extern struct pci_ops iop3xx_ops;
100extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
101extern void iop3xx_pci_preinit(void);
102extern void iop3xx_pci_preinit_cond(void);
103
104extern struct pci_ops dc21285_ops;
105extern int dc21285_setup(int nr, struct pci_sys_data *);
106extern void dc21285_preinit(void);
107extern void dc21285_postinit(void);
108
109#endif /* __ASM_MACH_PCI_H */