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/****************************************************************************/

/*

 *      mcfpci.h -- PCI bridge on ColdFire eval boards.

 *

 *      (C) Copyright 2000, Greg Ungerer (gerg@moreton.com.au)

 */

/****************************************************************************/

#ifndef mcfpci_h

#define mcfpci_h

/****************************************************************************/

#include <linux/config.h>

#ifdef CONFIG_PCI

/*

 *      Address regions in the PCI addres space are not mapped into the

 *      normal memory space of the ColdFire. They must be accessed via

 *      handler routines. This is easy for I/O space (inb/outb/etc) but

 *      needs some code changes to support ordinary memory. Interrupts

 *      also need to be vectored through the PCI handler first, then it

 *      will call the actual driver sub-handlers.

 */

/*

 *      Un-define all the standard I/O access routines.

 */

#undef  inb

#undef  inw

#undef  inl

#undef  insb

#undef  insw

#undef  insl

#undef  outb

#undef  outw

#undef  outl

#undef  outsb

#undef  outsw

#undef  outsl

#undef  request_irq

#undef  free_irq

/*

 *      Re-direct all I/O memory accesses functions to PCI specific ones.

 */

#define inb     pci_inb

#define inw     pci_inw

#define inl     pci_inl

#define inb_p   pci_inb

#define inw_p   pci_inw

#define insb    pci_insb

#define insw    pci_insw

#define insl    pci_insl

#define outb    pci_outb

#define outw    pci_outw

#define outl    pci_outl

#define outb_p  pci_outb

#define outw_p  pci_outw

#define outsb   pci_outsb

#define outsw   pci_outsw

#define outsl   pci_outsl

#define request_irq     pci_request_irq

#define free_irq        pci_free_irq

/*

 *      Prototypes of the real PCI functions (defined in bios32.c).

 */

unsigned char   pci_inb(unsigned int addr);

unsigned short  pci_inw(unsigned int addr);

unsigned int    pci_inl(unsigned int addr);

void            pci_insb(void *addr, void *buf, int len);

void            pci_insw(void *addr, void *buf, int len);

void            pci_insl(void *addr, void *buf, int len);

void            pci_outb(unsigned char val, unsigned int addr);

void            pci_outw(unsigned short val, unsigned int addr);

void            pci_outl(unsigned int val, unsigned int addr);

void            pci_outsb(void *addr, void *buf, int len);

void            pci_outsw(void *addr, void *buf, int len);

void            pci_outsl(void *addr, void *buf, int len);

int             pci_request_irq(unsigned int irq,

                        void (*handler)(int, void *, struct pt_regs *),

                        unsigned long flags,

                        const char *device,

                        void *dev_id);

void            pci_free_irq(unsigned int irq, void *dev_id);

#endif /* CONFIG_PCI */

/****************************************************************************/

#endif  /* mcfpci_h */