arch/arm/include/asm/mach/pci.h

   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 struct pci_sys_data;
  12 struct pci_bus;
  13
  14 struct hw_pci {
  15         struct list_head buses;
  16         int             nr_controllers;
  17         int             (*setup)(int nr, struct pci_sys_data *);
  18         struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
  19         void            (*preinit)(void);
  20         void            (*postinit)(void);
  21         u8              (*swizzle)(struct pci_dev *dev, u8 *pin);
  22         int             (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
  23 };
  24
  25 /*
  26  * Per-controller structure
  27  */
  28 struct pci_sys_data {
  29         struct list_head node;
  30         int             busnr;          /* primary bus number                   */
  31         u64             mem_offset;     /* bus->cpu memory mapping offset       */
  32         unsigned long   io_offset;      /* bus->cpu IO mapping offset           */
  33         struct pci_bus  *bus;           /* PCI bus                              */
  34         struct resource *resource[3];   /* Primary PCI bus resources            */
  35                                         /* Bridge swizzling                     */
  36         u8              (*swizzle)(struct pci_dev *, u8 *);
  37                                         /* IRQ mapping                          */
  38         int             (*map_irq)(struct pci_dev *, u8, u8);
  39         struct hw_pci   *hw;
  40 };
  41
  42 /*
  43  * This is the standard PCI-PCI bridge swizzling algorithm.
  44  */
  45 #define pci_std_swizzle pci_common_swizzle
  46
  47 /*
  48  * Call this with your hw_pci struct to initialise the PCI system.
  49  */
  50 void pci_common_init(struct hw_pci *);
  51
  52 /*
  53  * PCI controllers
  54  */
  55 extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
  56 extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *);
  57 extern void iop3xx_pci_preinit(void);
  58 extern void iop3xx_pci_preinit_cond(void);
  59
  60 extern int dc21285_setup(int nr, struct pci_sys_data *);
  61 extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *);
  62 extern void dc21285_preinit(void);
  63 extern void dc21285_postinit(void);
  64
  65 extern int via82c505_setup(int nr, struct pci_sys_data *);
  66 extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *);
  67 extern void via82c505_init(void *sysdata);
  68
  69 extern int pci_v3_setup(int nr, struct pci_sys_data *);
  70 extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *);
  71 extern void pci_v3_preinit(void);
  72 extern void pci_v3_postinit(void);