PCIe总线设备的枚举

最新推荐文章于 2025-03-14 08:22:19 发布

ambercctv

最新推荐文章于 2025-03-14 08:22:19 发布

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#include <vxWorks.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <hwif/vxBus.h>
#include <hwif/vxbus/vxbIoctlLib.h>
#include <hwif/vxbus/vxbLib.h>

#include <hwif/vxbus/vxbRtpIoctlLib.h>

#include <hwif/buslib/pciDefines.h>
#include <hwif/buslib/vxbPciLib.h>

#include <hwif/buslib/vxbFdtPci.h>


#include <hwif/buslib/vxbPcieAer.h>

STATUS pciEnum( UINT32 bus)
{
	
	 UINT8 device, function;
	 UINT16  devID;
	 UINT16  venID;
	 UINT32 bar0,bar1,bar2,bar3,bar4,bar5;
	 
    for (device = 0; device < PCI_MAX_DEV; device ++)
    for (function = 0; function < PCI_MAX_FUNC; function ++)
    	if(pciConfigInWord(bus,device,function,PCI_CFG_DEVICE_ID,&devID)==OK)
        {
    		if(devID!=0xFFFF)
    		{
    			pciConfigInWord(bus,device,function,PCI_CFG_VENDOR_ID,&venID);
    			printf("bus=%d,device=%d,function=%d,[venID=%x,devId=%x]\n",bus,device,function,venID,devID);
    			pciConfigInLong(bus,device,function,PCI_CFG_BASE_ADDRESS_0,&bar0);
    			pciConfigInLong(bus,device,function,PCI_CFG_BASE_ADDRESS_1,&bar1);
    			pciConfigInLong(bus,device,function,PCI_CFG_BASE_ADDRESS_2,&bar2);
    			pciConfigInLong(bus,device,function,PCI_CFG_BASE_ADDRESS_3,&bar3);
    			pciConfigInLong(bus,device,function,PCI_CFG_BASE_ADDRESS_4,&bar4);
    			pciConfigInLong(bus,device,function,PCI_CFG_BASE_ADDRESS_5,&bar5);
    			
    			printf("bar0=%x,bar1=%x,bar2=%x\n",bar0,bar1,bar2);
    			printf("bar3=%x,bar4=%x,bar5=%x\n",bar3,bar4,bar5);
    		}
        }
   
 
	
}