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/*
* mcfpci.h -- PCI bridge on ColdFire eval boards.
*
* (C) Copyright 2000, Greg Ungerer (gerg@snapgear.com)
* (C) Copyright 2000, Lineo Inc. (www.lineo.com)
*/
/****************************************************************************/
#ifndef mcfpci_h
#define mcfpci_h
/****************************************************************************/
#ifdef CONFIG_PCI
/*
* Address regions in the PCI address 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 inb_p
#undef inw_p
#undef insb
#undef insw
#undef insl
#undef outb
#undef outw
#undef outl
#undef outb_p
#undef outw_p
#undef outsb
#undef outsw
#undef outsl
#undef request_irq
#undef free_irq
#undef bus_to_virt
#undef virt_to_bus
/*
* 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
#define virt_to_bus pci_virt_to_bus
#define bus_to_virt pci_bus_to_virt
#define CONFIG_COMEMPCI 1
/*
* 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);
void *pci_bmalloc(int size);
void pci_bmfree(void *bmp, int len);
void pci_copytoshmem(unsigned long bmp, void *src, int size);
void pci_copyfromshmem(void *dst, unsigned long bmp, int size);
unsigned long pci_virt_to_bus(volatile void *address);
void *pci_bus_to_virt(unsigned long address);
void pci_bmcpyto(void *dst, void *src, int len);
void pci_bmcpyfrom(void *dst, void *src, int len);
#endif /* CONFIG_PCI */
/****************************************************************************/
#endif /* mcfpci_h */
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