1 /* $NetBSD: pchb.c,v 1.1 2002/03/07 14:44:05 simonb 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/types.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 struct cfattach pchb_ca = { 48 sizeof(struct device), pchb_match, pchb_attach 49 }; 50 51 static int pcifound = 0; 52 53 static int 54 pchb_match(struct device *parent, struct cfdata *match, void *aux) 55 { 56 struct pci_attach_args *pa = aux; 57 58 /* 59 * Match all known PCI host chipsets. 60 */ 61 if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE && 62 PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_HOST) { 63 switch (PCI_VENDOR(pa->pa_id)) { 64 case PCI_VENDOR_GALILEO: 65 switch (PCI_PRODUCT(pa->pa_id)) { 66 case PCI_PRODUCT_GALILEO_GT64120: 67 return (!pcifound); 68 } 69 break; 70 } 71 } 72 return (0); 73 } 74 75 static void 76 pchb_attach(struct device *parent, struct device *self, void *aux) 77 { 78 struct pci_attach_args *pa = aux; 79 char devinfo[256]; 80 81 printf("\n"); 82 pcifound++; 83 84 /* 85 * All we do is print out a description. Eventually, we 86 * might want to add code that does something that's 87 * possibly chipset-specific. 88 */ 89 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_GALILEO && 90 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_GALILEO_GT64120) { 91 /* Bah, same product ID... */ 92 93 /* 94 * XXX: Is the >= 0x10 test correct? The '120 doco 95 * lists rev == 0x02 and the '120A doco lists 96 * rev == 0x10. 97 */ 98 snprintf(devinfo, sizeof(devinfo), 99 "Galileo Technology GT-64120%s System Controller", 100 PCI_REVISION(pa->pa_class) >= 0x10 ? "A" : ""); 101 } else { 102 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 103 } 104 printf("%s: %s (rev. 0x%02x)\n", self->dv_xname, devinfo, 105 PCI_REVISION(pa->pa_class)); 106 } 107