| /* |
| * arch/arm/include/asm/mach/pci.h |
| * |
| * Copyright (C) 2000 Russell King |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #ifndef __ASM_MACH_PCI_H |
| #define __ASM_MACH_PCI_H |
| |
| #include <linux/ioport.h> |
| |
| struct pci_sys_data; |
| struct pci_ops; |
| struct pci_bus; |
| struct device; |
| |
| struct hw_pci { |
| #ifdef CONFIG_PCI_DOMAINS |
| int domain; |
| #endif |
| struct pci_ops *ops; |
| int nr_controllers; |
| void **private_data; |
| int (*setup)(int nr, struct pci_sys_data *); |
| struct pci_bus *(*scan)(int nr, struct pci_sys_data *); |
| void (*preinit)(void); |
| void (*postinit)(void); |
| u8 (*swizzle)(struct pci_dev *dev, u8 *pin); |
| int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin); |
| resource_size_t (*align_resource)(struct pci_dev *dev, |
| const struct resource *res, |
| resource_size_t start, |
| resource_size_t size, |
| resource_size_t align); |
| }; |
| |
| /* |
| * Per-controller structure |
| */ |
| struct pci_sys_data { |
| #ifdef CONFIG_PCI_DOMAINS |
| int domain; |
| #endif |
| struct list_head node; |
| int busnr; /* primary bus number */ |
| u64 mem_offset; /* bus->cpu memory mapping offset */ |
| unsigned long io_offset; /* bus->cpu IO mapping offset */ |
| struct pci_bus *bus; /* PCI bus */ |
| struct list_head resources; /* root bus resources (apertures) */ |
| struct resource io_res; |
| char io_res_name[12]; |
| /* Bridge swizzling */ |
| u8 (*swizzle)(struct pci_dev *, u8 *); |
| /* IRQ mapping */ |
| int (*map_irq)(const struct pci_dev *, u8, u8); |
| /* Resource alignement requirements */ |
| resource_size_t (*align_resource)(struct pci_dev *dev, |
| const struct resource *res, |
| resource_size_t start, |
| resource_size_t size, |
| resource_size_t align); |
| void *private_data; /* platform controller private data */ |
| }; |
| |
| /* |
| * Call this with your hw_pci struct to initialise the PCI system. |
| */ |
| void pci_common_init_dev(struct device *, struct hw_pci *); |
| |
| /* |
| * Compatibility wrapper for older platforms that do not care about |
| * passing the parent device. |
| */ |
| static inline void pci_common_init(struct hw_pci *hw) |
| { |
| pci_common_init_dev(NULL, hw); |
| } |
| |
| /* |
| * Setup early fixed I/O mapping. |
| */ |
| #if defined(CONFIG_PCI) |
| extern void pci_map_io_early(unsigned long pfn); |
| #else |
| static inline void pci_map_io_early(unsigned long pfn) {} |
| #endif |
| |
| /* |
| * PCI controllers |
| */ |
| extern struct pci_ops iop3xx_ops; |
| extern int iop3xx_pci_setup(int nr, struct pci_sys_data *); |
| extern void iop3xx_pci_preinit(void); |
| extern void iop3xx_pci_preinit_cond(void); |
| |
| extern struct pci_ops dc21285_ops; |
| extern int dc21285_setup(int nr, struct pci_sys_data *); |
| extern void dc21285_preinit(void); |
| extern void dc21285_postinit(void); |
| |
| extern struct pci_ops via82c505_ops; |
| extern int via82c505_setup(int nr, struct pci_sys_data *); |
| extern void via82c505_init(void *sysdata); |
| |
| extern struct pci_ops pci_v3_ops; |
| extern int pci_v3_setup(int nr, struct pci_sys_data *); |
| extern void pci_v3_preinit(void); |
| extern void pci_v3_postinit(void); |
| |
| #endif /* __ASM_MACH_PCI_H */ |