1 /* $NetBSD: p64h2apic.c,v 1.4 2002/10/17 22:03:40 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Bill Sommerfeld. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Driver for P64H2 IOxAPIC 41 * 42 * This is an ioapic which appears in PCI space. 43 * This driver currently does nothing useful but will eventually 44 * thwak the ioapic into working correctly. 45 */ 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/device.h> 51 52 #include <dev/pci/pcireg.h> 53 #include <dev/pci/pcivar.h> 54 #include <dev/pci/pcidevs.h> 55 56 static int p64h2match __P((struct device *, struct cfdata *, void *)); 57 static void p64h2attach __P((struct device *, struct device *, void *)); 58 59 struct p64h2apic_softc { 60 struct device sc_dev; 61 pcitag_t sc_tag; 62 }; 63 64 CFATTACH_DECL(p64h2apic, sizeof(struct p64h2apic_softc), 65 p64h2match, p64h2attach, NULL, NULL); 66 67 int p64h2print __P((void *, const char *pnp)); 68 69 70 static int 71 p64h2match(parent, match, aux) 72 struct device *parent; 73 struct cfdata *match; 74 void *aux; 75 { 76 struct pci_attach_args *pa = aux; 77 78 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL && 79 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEL_82870P2_IOxAPIC) 80 return (1); 81 82 return (0); 83 } 84 85 static void 86 p64h2attach(parent, self, aux) 87 struct device *parent, *self; 88 void *aux; 89 { 90 struct p64h2apic_softc *sc = (void *) self; 91 struct pci_attach_args *pa = aux; 92 char devinfo[256]; 93 94 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 95 printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class)); 96 97 sc->sc_tag = pa->pa_tag; 98 } 99