release/src-rt-6.x.4708/linux/linux-2.6.36/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_bus;
  16
  17 struct hw_pci {
  18 #ifdef CONFIG_PCI_DOMAINS
  19         int             domain;
  20 #endif
  21         struct list_head buses;
  22         int             nr_controllers;
  23         int             (*setup)(int nr, struct pci_sys_data *);
  24         struct pci_bus *(*scan)(int nr, struct pci_sys_data *);
  25         void            (*preinit)(void);
  26         void            (*postinit)(void);
  27         u8              (*swizzle)(struct pci_dev *dev, u8 *pin);
  28         int             (*map_irq)(struct pci_dev *dev, u8 slot, u8 pin);
  29 };
  30
  31 /*
  32  * Per-controller structure
  33  */
  34 struct pci_sys_data {
  35 #ifdef CONFIG_PCI_DOMAINS
  36         int             domain;
  37 #endif
  38         struct list_head node;
  39         int             busnr;          /* primary bus number                   */
  40         u64             mem_offset;     /* bus->cpu memory mapping offset       */
  41         unsigned long   io_offset;      /* bus->cpu IO mapping offset           */
  42         struct pci_bus  *bus;           /* PCI bus                              */
  43         struct resource *resource[3];   /* Primary PCI bus resources            */
  44                                         /* Bridge swizzling                     */
  45         u8              (*swizzle)(struct pci_dev *, u8 *);
  46                                         /* IRQ mapping                          */
  47         int             (*map_irq)(struct pci_dev *, u8, u8);
  48         struct hw_pci   *hw;
  49         void            *private_data;  /* platform controller private data     */
  50 };
  51
  52 /*
  53  * This is the standard PCI-PCI bridge swizzling algorithm.
  54  */
  55 #define pci_std_swizzle pci_common_swizzle
  56
  57 /*
  58  * Call this with your hw_pci struct to initialise the PCI system.
  59  */
  60 void pci_common_init(struct hw_pci *);
  61
  62 /*
  63  * PCI controllers
  64  */
  65 extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
  66 extern struct pci_bus *iop3xx_pci_scan_bus(int nr, struct pci_sys_data *);
  67 extern void iop3xx_pci_preinit(void);
  68 extern void iop3xx_pci_preinit_cond(void);
  69
  70 extern int dc21285_setup(int nr, struct pci_sys_data *);
  71 extern struct pci_bus *dc21285_scan_bus(int nr, struct pci_sys_data *);
  72 extern void dc21285_preinit(void);
  73 extern void dc21285_postinit(void);
  74
  75 extern int via82c505_setup(int nr, struct pci_sys_data *);
  76 extern struct pci_bus *via82c505_scan_bus(int nr, struct pci_sys_data *);
  77 extern void via82c505_init(void *sysdata);
  78
  79 extern int pci_v3_setup(int nr, struct pci_sys_data *);
  80 extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *);
  81 extern void pci_v3_preinit(void);
  82 extern void pci_v3_postinit(void);
  83
  84 #endif /* __ASM_MACH_PCI_H */