/* for io apic 1461 */
#define PCICMD  	0x04
#define SUBSYS		0x2c
#define MBAR		0x10
#define ABAR		0x40

/* for pci bridge  1460 */
#define MTT	  	0x042
#define HCCR	  	0x0f0
#define ACNF	  	0x0e0