1999/0415/alphapc/pci.c (diff list | history)

1999/0415/sys/src/9/alphapc/pci.c:349,351 – 1999/0422/sys/src/9/alphapc/pci.c:349,361 (short | long)
1999/0415		pcicfgw16(p, PciPSR, pcr & ~0x04); } }
1999/0422		void pcisetbme(Pcidev* p) { int pcr; pcr = pcicfgr16(p, PciPCR); pcr |= 0x0004; pcicfgw16(p, PciPCR, pcr); }
1999/0422/sys/src/9/alphapc/pci.c:40,50 – 1999/0507/sys/src/9/alphapc/pci.c:40,51 (short | long)
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)
1999/0507/sys/src/9/alphapc/pci.c:26,31 – 2000/0401/sys/src/9/alphapc/pci.c:26,33 (short | long)
1999/0415		static int pcicfgrw32(int, int, int, int);
2000/0401		uchar *vgabios;
1999/0415		static int pciscan(int bno, Pcidev** list) {
1999/0507/sys/src/9/alphapc/pci.c:89,97 – 2000/0401/sys/src/9/alphapc/pci.c:91,106
1999/0415		*/
1999/0507		switch(p->ccrb){
1999/0415
2000/0401		case 0x03: /* display controller */ if(vgabios == nil) { v = pcicfgr32(p, PciROM); pcicfgw32(p, PciROM, v|1); /* enable decode */ vgabios = kmapv(((uvlong)0x88<<32LL)|(v&~0xffff), 0x10000); // print("VGA BIOS %lux -> %lux\n", v, vgabios); } /* fall through */
1999/0415		case 0x01: /* mass storage controller */ case 0x02: /* network controller */ case 0x03: /* display controller */ case 0x04: /* multimedia device */ case 0x07: /* simple communication controllers */ case 0x08: /* base system peripherals */
2000/0401/sys/src/9/alphapc/pci.c:72,81 – 2000/0515/sys/src/9/alphapc/pci.c:72,84 (short | long)
1999/0415		pcilist = p; pcitail = p; p->intl = pcicfgr8(p, PciINTL);
2000/0515		p->rid = pcicfgr8(p, PciRID);
1999/0507		p->ccrp = pcicfgr8(p, PciCCRp); p->ccru = pcicfgr8(p, PciCCRu); p->ccrb = pcicfgr8(p, PciCCRb);
2000/0515		p->pcr = pcicfgr32(p, PciPCR); p->intl = pcicfgr8(p, PciINTL);
1999/0415		/* * If the device is a multi-function device adjust the
2000/0515/sys/src/9/alphapc/pci.c:320,325 – 2001/0801/sys/src/9/alphapc/pci.c:320,340 (short | long)
1999/0415		return prev; }
2001/0801		Pcidev* pcimatchtbdf(int tbdf) { Pcidev *pcidev; if(pcicfgmode == -1) pcicfginit(); for(pcidev = pcilist; pcidev != nil; pcidev = pcidev->list) { if(pcidev->tbdf == tbdf) break; } return pcidev; }
1999/0415		void pcihinv(Pcidev* p) {
2001/0801/sys/src/9/alphapc/pci.c:16,21 – 2001/1023/sys/src/9/alphapc/pci.c:16,31 (short | long)
1999/0415		MaxUBN = 255, };
2001/1023		enum { /* command register */ IOen = (1<<0), MEMen = (1<<1), MASen = (1<<2), MemWrInv = (1<<4), PErrEn = (1<<6), SErrEn = (1<<8), };
1999/0415		static Lock pcicfglock; static Lock pcicfginitlock; static int pcicfgmode = -1;
2001/0801/sys/src/9/alphapc/pci.c:388,393 – 2001/1023/sys/src/9/alphapc/pci.c:398,413
1999/0422		int pcr; pcr = pcicfgr16(p, PciPCR); pcr |= 0x0004;
2001/1023		pcr |= MASen; pcicfgw16(p, PciPCR, pcr); } void pciclrbme(Pcidev* p) { int pcr; pcr = pcicfgr16(p, PciPCR); pcr &= ~MASen;
1999/0422		pcicfgw16(p, PciPCR, pcr); }
2001/1023/sys/src/9/alphapc/pci.c:197,211 – 2002/1130/sys/src/9/alphapc/pci.c:197,210 (short | long)
1999/0415		static void pcicfginit(void) { /* char *p; */
2002/1130		char *p;
1999/0415		lock(&pcicfginitlock); if(pcicfgmode == -1){ pcicfgmode = 0; /* if(p = getconf("*pcimaxdno")) pcimaxdno = strtoul(p, 0, 0); */ pcimaxdno = 15 /* was 20; what is correct value??? */;
2002/1130		pcimaxdno = 15; /* was 20; what is correct value??? */ if(p = getconf("*pcimaxdno")) pcimaxdno = strtoul(p, 0, 0);
1999/0415		pciscan(0, &pciroot); } unlock(&pcicfginitlock);