| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |
| 31 | unsigned long 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 | */ |
| 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 | */ |
| 55 | extern int iop321_setup(int nr, struct pci_sys_data *); |
| 56 | extern struct pci_bus *iop321_scan_bus(int nr, struct pci_sys_data *); |
| 57 | extern void iop321_init(void); |
| 58 | |
| 59 | extern int iop331_setup(int nr, struct pci_sys_data *); |
| 60 | extern struct pci_bus *iop331_scan_bus(int nr, struct pci_sys_data *); |
| 61 | extern void iop331_init(void); |
| 62 | |
| 63 | extern int dc21285_setup(int nr, struct pci_sys_data *); |
| 64 | extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *); |
| 65 | extern void dc21285_preinit(void); |
| 66 | extern void dc21285_postinit(void); |
| 67 | |
| 68 | extern int via82c505_setup(int nr, struct pci_sys_data *); |
| 69 | extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *); |
| 70 | extern void via82c505_init(void *sysdata); |
| 71 | |
| 72 | extern int pci_v3_setup(int nr, struct pci_sys_data *); |
| 73 | extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *); |
| 74 | extern void pci_v3_preinit(void); |
| 75 | extern void pci_v3_postinit(void); |