1 /* $NetBSD: pchb.c,v 1.5 2002/10/03 01:57:24 thorpej Exp $ */ 2 3 /* 4 * Copyright 2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Simon Burge for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include <sys/param.h> 39 #include <sys/device.h> 40 41 #include <dev/pci/pcivar.h> 42 #include <dev/pci/pcidevs.h> 43 44 static int pchb_match(struct device *, struct cfdata *, void *); 45 static void pchb_attach(struct device *, struct device *, void *); 46 47 CFATTACH_DECL(pchb, sizeof(struct device), 48 pchb_match, pchb_attach, NULL, NULL); 49 50 static int pcifound = 0; 51 52 static int 53 pchb_match(struct device *parent, struct cfdata *match, void *aux) 54 { 55 struct pci_attach_args *pa = aux; 56 57 /* 58 * Match all known PCI host chipsets. 59 */ 60 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE && 61 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_HOST) { 62 switch (PCI_VENDOR(pa->pa_id)) { 63 case PCI_VENDOR_GALILEO: 64 switch (PCI_PRODUCT(pa->pa_id)) { 65 case PCI_PRODUCT_GALILEO_GT64120: 66 return (!pcifound); 67 } 68 break; 69 } 70 } 71 return (0); 72 } 73 74 static void 75 pchb_attach(struct device *parent, struct device *self, void *aux) 76 { 77 struct pci_attach_args *pa = aux; 78 char devinfo[256]; 79 80 printf("\n"); 81 pcifound++; 82 83 /* 84 * All we do is print out a description. Eventually, we 85 * might want to add code that does something that's 86 * possibly chipset-specific. 87 */ 88 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_GALILEO && 89 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_GALILEO_GT64120) { 90 /* Bah, same product ID... */ 91 92 /* 93 * XXX: Is the >= 0x10 test correct? The '120 doco 94 * lists rev == 0x02 and the '120A doco lists 95 * rev == 0x10. 96 */ 97 snprintf(devinfo, sizeof(devinfo), 98 "Galileo Technology GT-64120%s System Controller", 99 PCI_REVISION(pa->pa_class) >= 0x10 ? "A" : ""); 100 } else { 101 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 102 } 103 printf("%s: %s (rev. 0x%02x)\n", self->dv_xname, devinfo, 104 PCI_REVISION(pa->pa_class)); 105 } 106