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 16 struct pci_sys_data; 17 struct pci_ops; 18 struct pci_bus; 19 20 struct hw_pci { 21 #ifdef CONFIG_PCI_DOMAINS 22 int domain; 23 #endif 24 struct pci_ops *ops; 25 int nr_controllers; 26 void **private_data; 27 int (*setup)(int nr, struct pci_sys_data *); 28 struct pci_bus *(*scan)(int nr, struct pci_sys_data *); 29 void (*preinit)(void); 30 void (*postinit)(void); 31 u8 (*swizzle)(struct pci_dev *dev, u8 *pin); 32 int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin); 33 }; 34 35 /* 36 * Per-controller structure 37 */ 38 struct pci_sys_data { 39 #ifdef CONFIG_PCI_DOMAINS 40 int domain; 41 #endif 42 struct list_head node; 43 int busnr; /* primary bus number */ 44 u64 mem_offset; /* bus->cpu memory mapping offset */ 45 unsigned long io_offset; /* bus->cpu IO mapping offset */ 46 struct pci_bus *bus; /* PCI bus */ 47 struct list_head resources; /* root bus resources (apertures) */ 48 struct resource io_res; 49 char io_res_name[12]; 50 /* Bridge swizzling */ 51 u8 (*swizzle)(struct pci_dev *, u8 *); 52 /* IRQ mapping */ 53 int (*map_irq)(const struct pci_dev *, u8, u8); 54 void *private_data; /* platform controller private data */ 55 }; 56 57 /* 58 * Call this with your hw_pci struct to initialise the PCI system. 59 */ 60 void pci_common_init(struct hw_pci *); 61 62 /* 63 * Setup early fixed I/O mapping. 64 */ 65 #if defined(CONFIG_PCI) 66 extern void pci_map_io_early(unsigned long pfn); 67 #else 68 static inline void pci_map_io_early(unsigned long pfn) {} 69 #endif 70 71 /* 72 * PCI controllers 73 */ 74 extern struct pci_ops iop3xx_ops; 75 extern int iop3xx_pci_setup(int nr, struct pci_sys_data *); 76 extern void iop3xx_pci_preinit(void); 77 extern void iop3xx_pci_preinit_cond(void); 78 79 extern struct pci_ops dc21285_ops; 80 extern int dc21285_setup(int nr, struct pci_sys_data *); 81 extern void dc21285_preinit(void); 82 extern void dc21285_postinit(void); 83 84 extern struct pci_ops via82c505_ops; 85 extern int via82c505_setup(int nr, struct pci_sys_data *); 86 extern void via82c505_init(void *sysdata); 87 88 extern struct pci_ops pci_v3_ops; 89 extern int pci_v3_setup(int nr, struct pci_sys_data *); 90 extern void pci_v3_preinit(void); 91 extern void pci_v3_postinit(void); 92 93 #endif /* __ASM_MACH_PCI_H */ 94