1 /* $OpenBSD: if_fxp_pci.c,v 1.8 2001/08/09 21:12:51 jason Exp $ */ 2 3 /* 4 * Copyright (c) 1995, David Greenman 5 * All rights reserved. 6 * 7 * Modifications to support NetBSD: 8 * Copyright (c) 1997 Jason R. Thorpe. All rights reserved. 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 unmodified, this list of conditions, and the following 15 * disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * Id: if_fxp.c,v 1.55 1998/08/04 08:53:12 dg Exp 33 */ 34 35 /* 36 * Intel EtherExpress Pro/100B PCI Fast Ethernet driver 37 */ 38 39 #include "bpfilter.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/mbuf.h> 44 #include <sys/malloc.h> 45 #include <sys/kernel.h> 46 #include <sys/socket.h> 47 #include <sys/syslog.h> 48 49 #include <net/if.h> 50 #include <net/if_dl.h> 51 #include <net/if_media.h> 52 #include <net/if_types.h> 53 54 #ifdef INET 55 #include <netinet/in.h> 56 #include <netinet/in_systm.h> 57 #include <netinet/in_var.h> 58 #include <netinet/ip.h> 59 #endif 60 61 #include <sys/ioctl.h> 62 #include <sys/errno.h> 63 #include <sys/device.h> 64 65 #include <netinet/if_ether.h> 66 67 #include <vm/vm.h> 68 69 #include <machine/cpu.h> 70 #include <machine/bus.h> 71 #include <machine/intr.h> 72 73 #include <dev/mii/miivar.h> 74 75 #include <dev/ic/fxpreg.h> 76 #include <dev/ic/fxpvar.h> 77 78 #include <dev/pci/pcivar.h> 79 #include <dev/pci/pcireg.h> 80 #include <dev/pci/pcidevs.h> 81 82 int fxp_pci_match __P((struct device *, void *, void *)); 83 void fxp_pci_attach __P((struct device *, struct device *, void *)); 84 85 struct cfattach fxp_pci_ca = { 86 sizeof(struct fxp_softc), fxp_pci_match, fxp_pci_attach 87 }; 88 89 /* 90 * Check if a device is an 82557. 91 */ 92 int 93 fxp_pci_match(parent, match, aux) 94 struct device *parent; 95 void *match; 96 void *aux; 97 { 98 struct pci_attach_args *pa = aux; 99 100 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_INTEL) 101 return (0); 102 103 switch (PCI_PRODUCT(pa->pa_id)) { 104 case PCI_PRODUCT_INTEL_82557: 105 case PCI_PRODUCT_INTEL_82559: 106 case PCI_PRODUCT_INTEL_82559ER: 107 case PCI_PRODUCT_INTEL_82562: 108 return (1); 109 } 110 111 return (0); 112 } 113 114 void 115 fxp_pci_attach(parent, self, aux) 116 struct device *parent, *self; 117 void *aux; 118 { 119 struct fxp_softc *sc = (struct fxp_softc *)self; 120 struct pci_attach_args *pa = aux; 121 pci_chipset_tag_t pc = pa->pa_pc; 122 pci_intr_handle_t ih; 123 const char *intrstr = NULL; 124 u_int8_t enaddr[6]; 125 bus_space_tag_t iot = pa->pa_iot; 126 bus_addr_t iobase; 127 bus_size_t iosize; 128 pcireg_t rev = PCI_REVISION(pa->pa_class); 129 130 if (pci_io_find(pc, pa->pa_tag, FXP_PCI_IOBA, &iobase, &iosize)) { 131 printf(": can't find i/o space\n"); 132 return; 133 } 134 135 if (bus_space_map(iot, iobase, iosize, 0, &sc->sc_sh)) { 136 printf(": can't map i/o space\n"); 137 return; 138 } 139 sc->sc_st = iot; 140 sc->sc_dmat = pa->pa_dmat; 141 142 /* 143 * Allocate our interrupt. 144 */ 145 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 146 pa->pa_intrline, &ih)) { 147 printf(": couldn't map interrupt\n"); 148 return; 149 } 150 151 intrstr = pci_intr_string(pc, ih); 152 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, fxp_intr, sc, 153 self->dv_xname); 154 if (sc->sc_ih == NULL) { 155 printf(": couldn't establish interrupt"); 156 if (intrstr != NULL) 157 printf(" at %s", intrstr); 158 printf("\n"); 159 return; 160 } 161 162 switch (PCI_PRODUCT(pa->pa_id)) { 163 case PCI_PRODUCT_INTEL_82562: 164 sc->sc_flags |= FXPF_HAS_RESUME_BUG; 165 /* FALLTHROUGH */ 166 case PCI_PRODUCT_INTEL_82559: 167 case PCI_PRODUCT_INTEL_82559ER: 168 sc->not_82557 = 1; 169 break; 170 case PCI_PRODUCT_INTEL_82557: 171 /* 172 * revisions 173 * 2 = 82557 174 * 4-6 = 82558 175 * 8 = 82559 176 */ 177 sc->not_82557 = (rev >= 4) ? 1 : 0; 178 break; 179 default: 180 sc->not_82557 = 0; 181 break; 182 } 183 184 /* Do generic parts of attach. */ 185 if (fxp_attach_common(sc, enaddr, intrstr)) { 186 /* Failed! */ 187 return; 188 } 189 } 190