1/* $NetBSD: p64h2apic.c,v 1.14 2008/07/09 20:45:33 joerg 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32/* 33 * Driver for P64H2 IOxAPIC 34 * 35 * This is an ioapic which appears in PCI space. 36 * This driver currently does nothing useful but will eventually 37 * thwak the ioapic into working correctly. 38 */ 39 40#include <sys/cdefs.h> 41__KERNEL_RCSID(0, "$NetBSD: p64h2apic.c,v 1.14 2008/07/09 20:45:33 joerg Exp $"); 42 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/kernel.h> 46#include <sys/device.h> 47 48#include <dev/pci/pcireg.h> 49#include <dev/pci/pcivar.h> 50#include <dev/pci/pcidevs.h> 51 52static int p64h2match(device_t, cfdata_t, void *); 53static void p64h2attach(device_t, device_t, void *); 54 55struct p64h2apic_softc { 56 pcitag_t sc_tag; 57}; 58 59CFATTACH_DECL_NEW(p64h2apic, sizeof(struct p64h2apic_softc), 60 p64h2match, p64h2attach, NULL, NULL); 61 62static int 63p64h2match(device_t parent, cfdata_t match, void *aux) 64{ 65 struct pci_attach_args *pa = aux; 66 67 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL && 68 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEL_82870P2_IOxAPIC) 69 return (1); 70 71 return (0); 72} 73 74static void 75p64h2attach(device_t parent, device_t self, void *aux) 76{ 77 struct p64h2apic_softc *sc = device_private(self); 78 struct pci_attach_args *pa = aux; 79 char devinfo[256]; 80 81 aprint_naive("\n"); 82 aprint_normal("\n"); 83 84 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 85 aprint_normal_dev(self, "%s (rev. 0x%02x)\n", devinfo, 86 PCI_REVISION(pa->pa_class)); 87 88 sc->sc_tag = pa->pa_tag; 89} 90