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