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 #ifndef __ASM_MACH_PCI_H
  12 #define __ASM_MACH_PCI_H
  13
  14 struct pci_sys_data;
  15 struct pci_ops;
  16 struct pci_bus;
  17
  18 struct 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  */
  35 struct 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  */
  55 void pci_common_init(struct hw_pci *);
  56
  57 /*
  58  * PCI controllers
  59  */
  60 extern struct pci_ops iop3xx_ops;
  61 extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
  62 extern void iop3xx_pci_preinit(void);
  63 extern void iop3xx_pci_preinit_cond(void);
  64
  65 extern struct pci_ops dc21285_ops;
  66 extern int dc21285_setup(int nr, struct pci_sys_data *);
  67 extern void dc21285_preinit(void);
  68 extern void dc21285_postinit(void);
  69
  70 extern struct pci_ops via82c505_ops;
  71 extern int via82c505_setup(int nr, struct pci_sys_data *);
  72 extern void via82c505_init(void *sysdata);
  73
  74 extern struct pci_ops pci_v3_ops;
  75 extern int pci_v3_setup(int nr, struct pci_sys_data *);
  76 extern void pci_v3_preinit(void);
  77 extern void pci_v3_postinit(void);
  78
  79 #endif /* __ASM_MACH_PCI_H */