linux/arch/arm/include/asm/mach/pci.h
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   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
  14struct pci_sys_data;
  15struct pci_ops;
  16struct pci_bus;
  17
  18struct hw_pci {
  19#ifdef CONFIG_PCI_DOMAINS
  20        int             domain;
  21#endif
  22        struct pci_ops  *ops;
  23        int             nr_controllers;
  24        int             (*setup)(int nr, struct pci_sys_data *);
  25        struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
  26        void            (*preinit)(void);
  27        void            (*postinit)(void);
  28        u8              (*swizzle)(struct pci_dev *dev, u8 *pin);
  29        int             (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin);
  30};
  31
  32/*
  33 * Per-controller structure
  34 */
  35struct pci_sys_data {
  36#ifdef CONFIG_PCI_DOMAINS
  37        int             domain;
  38#endif
  39        struct list_head node;
  40        int             busnr;          /* primary bus number                   */
  41        u64             mem_offset;     /* bus->cpu memory mapping offset       */
  42        unsigned long   io_offset;      /* bus->cpu IO mapping offset           */
  43        struct pci_bus  *bus;           /* PCI bus                              */
  44        struct list_head resources;     /* root bus resources (apertures)       */
  45                                        /* Bridge swizzling                     */
  46        u8              (*swizzle)(struct pci_dev *, u8 *);
  47                                        /* IRQ mapping                          */
  48        int             (*map_irq)(const struct pci_dev *, u8, u8);
  49        void            *private_data;  /* platform controller private data     */
  50};
  51
  52/*
  53 * Call this with your hw_pci struct to initialise the PCI system.
  54 */
  55void pci_common_init(struct hw_pci *);
  56
  57/*
  58 * PCI controllers
  59 */
  60extern struct pci_ops iop3xx_ops;
  61extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
  62extern void iop3xx_pci_preinit(void);
  63extern void iop3xx_pci_preinit_cond(void);
  64
  65extern struct pci_ops dc21285_ops;
  66extern int dc21285_setup(int nr, struct pci_sys_data *);
  67extern void dc21285_preinit(void);
  68extern void dc21285_postinit(void);
  69
  70extern struct pci_ops via82c505_ops;
  71extern int via82c505_setup(int nr, struct pci_sys_data *);
  72extern void via82c505_init(void *sysdata);
  73
  74extern struct pci_ops pci_v3_ops;
  75extern int pci_v3_setup(int nr, struct pci_sys_data *);
  76extern void pci_v3_preinit(void);
  77extern void pci_v3_postinit(void);
  78
  79#endif /* __ASM_MACH_PCI_H */
  80