1999/0422/alphapc/pci.c (diff list | history)

1999/0422/sys/src/9/alphapc/pci.c:40,50 – 1999/0507/sys/src/9/alphapc/pci.c:40,51 (short | long | prev | next)
1999/0415		maxfno = 0; for(fno = 0; fno <= maxfno; fno++){ /* * For this possible device, form the bus+device+function * triplet needed to address it and try to read the vendor * and device ID. If successful, allocate a device struct * and start to fill it in with some useful information from * the device's configuration space.
1999/0507		* For this possible device, form the * bus+device+function triplet needed to address it * and try to read the vendor and device ID. * If successful, allocate a device struct and * start to fill it in with some useful information * from the device's configuration space.
1999/0415		*/ tbdf = MKBUS(BusPCI, bno, dno, fno); l = pcicfgrw32(tbdf, PciVID, 0, 1);
1999/0422/sys/src/9/alphapc/pci.c:70,76 – 1999/0507/sys/src/9/alphapc/pci.c:71,79
1999/0415		pcitail = p; p->intl = pcicfgr8(p, PciINTL); p->ccru = pcicfgr16(p, PciCCRu);
1999/0507		p->ccrp = pcicfgr8(p, PciCCRp); p->ccru = pcicfgr8(p, PciCCRu); p->ccrb = pcicfgr8(p, PciCCRb);
1999/0415		/* * If the device is a multi-function device adjust the
1999/0422/sys/src/9/alphapc/pci.c:84,90 – 1999/0507/sys/src/9/alphapc/pci.c:87,93
1999/0415		* If appropriate, read the base address registers * and work out the sizes. */ switch(p->ccru>>8){
1999/0507		switch(p->ccrb){
1999/0415		case 0x01: /* mass storage controller */ case 0x02: /* network controller */
1999/0422/sys/src/9/alphapc/pci.c:129,135 – 1999/0507/sys/src/9/alphapc/pci.c:132,138
1999/0415		/* * Find PCI-PCI bridges and recursively descend the tree. */ if(p->ccru != ((0x06<<8)|0x04))
1999/0507		if(p->ccrb != 0x06 || p->ccru != 0x04)
1999/0415		continue; /*
1999/0422/sys/src/9/alphapc/pci.c:311,324 – 1999/0507/sys/src/9/alphapc/pci.c:314,329
1999/0415		int i; Pcidev *t;
1999/0507		if(pcicfgmode == -1) pcicfginit();
1999/0415		if(p == nil) { p = pciroot; print("bus dev type vid did intl memory\n"); } for(t = p; t != nil; t = t->link) { print("%d %2d/%d %.4ux %.4ux %.4ux %2d ",
1999/0507		print("%d %2d/%d %.2ux %.2ux %.2ux %.4ux %.4ux %2d ",
1999/0415		BUSBNO(t->tbdf), BUSDNO(t->tbdf), BUSFNO(t->tbdf), t->ccru, t->vid, t->did, t->intl);
1999/0507		t->ccrb, t->ccru, t->ccrp, t->vid, t->did, t->intl);
1999/0415		for(i = 0; i < nelem(p->mem); i++) { if(t->mem[i].size == 0)