2 * arch/arm/include/asm/mach/pci.h
4 * Copyright (C) 2000 Russell King
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.
11 #ifndef __ASM_MACH_PCI_H
12 #define __ASM_MACH_PCI_H
14 #include <linux/ioport.h>
22 struct msi_controller *msi_ctrl;
25 unsigned int io_optional:1;
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 resource_size_t (*align_resource)(struct pci_dev *dev,
34 const struct resource *res,
35 resource_size_t start,
37 resource_size_t align);
41 * Per-controller structure
44 struct list_head node;
45 int busnr; /* primary bus number */
46 u64 mem_offset; /* bus->cpu memory mapping offset */
47 unsigned long io_offset; /* bus->cpu IO mapping offset */
48 struct pci_bus *bus; /* PCI bus */
49 struct list_head resources; /* root bus resources (apertures) */
50 struct resource io_res;
52 /* Bridge swizzling */
53 u8 (*swizzle)(struct pci_dev *, u8 *);
55 int (*map_irq)(const struct pci_dev *, u8, u8);
56 void *private_data; /* platform controller private data */
60 * Call this with your hw_pci struct to initialise the PCI system.
62 void pci_common_init_dev(struct device *, struct hw_pci *);
65 * Compatibility wrapper for older platforms that do not care about
66 * passing the parent device.
68 static inline void pci_common_init(struct hw_pci *hw)
70 pci_common_init_dev(NULL, hw);
74 * Setup early fixed I/O mapping.
76 #if defined(CONFIG_PCI)
77 extern void pci_map_io_early(unsigned long pfn);
79 static inline void pci_map_io_early(unsigned long pfn) {}
85 extern struct pci_ops iop3xx_ops;
86 extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
87 extern void iop3xx_pci_preinit(void);
88 extern void iop3xx_pci_preinit_cond(void);
90 extern struct pci_ops dc21285_ops;
91 extern int dc21285_setup(int nr, struct pci_sys_data *);
92 extern void dc21285_preinit(void);
93 extern void dc21285_postinit(void);
95 #endif /* __ASM_MACH_PCI_H */