pcibios.c File Reference

#include <rtems.h>
#include <bsp.h>
#include <rtems/pci.h>
#include <string.h>

Macros
#define	PCIB_DEVSIG_MAKE(b, d, f)
	Make device signature from bus number, device numebr and function number.
#define	PCIB_DEVSIG_BUS(x)
	Extract valrous part from device signature.
#define	PCIB_DEVSIG_DEV(x)
#define	PCIB_DEVSIG_FUNC(x)

Functions
const pci_config_access_functions *	pci_bios_initialize (void)

Detailed Description

PCI Support when Configuration Space is accessed via BIOS

Macro Definition Documentation

PCIB_DEVSIG_BUS

#define PCIB_DEVSIG_BUS

(

x

)

Value:

(((x)>>8) &0xff)

Extract valrous part from device signature.

PCIB_DEVSIG_DEV

#define PCIB_DEVSIG_DEV

(

x

)

Value:

(((x)>>3) & 0x1f)

PCIB_DEVSIG_FUNC

#define PCIB_DEVSIG_FUNC

(

x

)

Value:

((x) & 0x7)

PCIB_DEVSIG_MAKE

#define PCIB_DEVSIG_MAKE	(		b,
			d,
			f )

Value:

((b<<8)|(d<<3)|(f))

Make device signature from bus number, device numebr and function number.