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1da177e4 LT |
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 | ||
11 | struct pci_sys_data; | |
12 | struct pci_bus; | |
13 | ||
14 | struct 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 | */ | |
28 | struct pci_sys_data { | |
29 | struct list_head node; | |
30 | int busnr; /* primary bus number */ | |
e31dd6e4 | 31 | u64 mem_offset; /* bus->cpu memory mapping offset */ |
1da177e4 LT |
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 | */ | |
45 | u8 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 | */ | |
50 | void pci_common_init(struct hw_pci *); | |
51 | ||
52 | /* | |
53 | * PCI controllers | |
54 | */ | |
0cb015f9 LB |
55 | extern int iop3xx_pci_setup(int nr, struct pci_sys_data *); |
56 | extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *); | |
57 | extern void iop3xx_pci_preinit(void); | |
58 | ||
1da177e4 LT |
59 | extern int dc21285_setup(int nr, struct pci_sys_data *); |
60 | extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *); | |
61 | extern void dc21285_preinit(void); | |
62 | extern void dc21285_postinit(void); | |
63 | ||
64 | extern int via82c505_setup(int nr, struct pci_sys_data *); | |
65 | extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *); | |
66 | extern void via82c505_init(void *sysdata); | |
67 | ||
68 | extern int pci_v3_setup(int nr, struct pci_sys_data *); | |
69 | extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *); | |
70 | extern void pci_v3_preinit(void); | |
71 | extern void pci_v3_postinit(void); |