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 struct pci_sys_data; 15 struct pci_bus; 16 17 struct 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)(struct pci_dev *dev, u8 slot, u8 pin); 29 }; 30 31 /* 32 * Per-controller structure 33 */ 34 struct 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)(struct pci_dev *, u8, u8); 48 struct hw_pci *hw; 49 }; 50 51 /* 52 * This is the standard PCI-PCI bridge swizzling algorithm. 53 */ 54 #define pci_std_swizzle pci_common_swizzle 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 * PCI controllers 63 */ 64 extern int iop3xx_pci_setup(int nr, struct pci_sys_data *); 65 extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *); 66 extern void iop3xx_pci_preinit(void); 67 extern void iop3xx_pci_preinit_cond(void); 68 69 extern int dc21285_setup(int nr, struct pci_sys_data *); 70 extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *); 71 extern void dc21285_preinit(void); 72 extern void dc21285_postinit(void); 73 74 extern int via82c505_setup(int nr, struct pci_sys_data *); 75 extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *); 76 extern void via82c505_init(void *sysdata); 77 78 extern int pci_v3_setup(int nr, struct pci_sys_data *); 79 extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *); 80 extern void pci_v3_preinit(void); 81 extern void pci_v3_postinit(void); 82 83 #endif /* __ASM_MACH_PCI_H */ 84