1 /* $NetBSD: if_ne_pci.c,v 1.5 1998/04/10 01:28:59 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include "bpfilter.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/syslog.h> 46 #include <sys/socket.h> 47 #include <sys/device.h> 48 49 #include <net/if.h> 50 #include <net/if_ether.h> 51 #include <net/if_media.h> 52 53 #ifdef INET 54 #include <netinet/in.h> 55 #include <netinet/if_inarp.h> 56 #endif 57 58 #include <machine/bus.h> 59 #include <machine/intr.h> 60 61 #include <dev/pci/pcireg.h> 62 #include <dev/pci/pcivar.h> 63 #include <dev/pci/pcidevs.h> 64 65 #include <dev/ic/dp8390reg.h> 66 #include <dev/ic/dp8390var.h> 67 68 #include <dev/ic/ne2000reg.h> 69 #include <dev/ic/ne2000var.h> 70 71 struct ne_pci_softc { 72 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 73 74 /* PCI-specific goo */ 75 void *sc_ih; /* interrupt handle */ 76 }; 77 78 #ifdef __BROKEN_INDIRECT_CONFIG 79 int ne_pci_match __P((struct device *, void *, void *)); 80 #else 81 int ne_pci_match __P((struct device *, struct cfdata *, void *)); 82 #endif 83 void ne_pci_attach __P((struct device *, struct device *, void *)); 84 85 struct cfattach ne_pci_ca = { 86 sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach 87 }; 88 89 struct ne_pci_compatdev { 90 pci_vendor_id_t vendor; 91 pci_product_id_t product; 92 char *name; 93 }; 94 95 struct ne_pci_compatdev ne_pci_compatdevs[] = { 96 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029, "Realtek 8029" }, 97 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F, "Winbond 89C940F" }, 98 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926, 99 "VIA Technologies VT86C926" }, 100 { 0, 0, NULL }, 101 }; 102 103 char *ne_pci_lookup __P((pcireg_t)); 104 105 char * 106 ne_pci_lookup(id) 107 pcireg_t id; 108 { 109 struct ne_pci_compatdev *nc; 110 111 for (nc = ne_pci_compatdevs; nc->vendor != 0; nc++) { 112 if (PCI_VENDOR(id) == nc->vendor && 113 PCI_PRODUCT(id) == nc->product) 114 return (nc->name); 115 } 116 117 return (NULL); 118 } 119 120 /* 121 * PCI constants. 122 * XXX These should be in a common file! 123 */ 124 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 125 126 int 127 ne_pci_match(parent, match, aux) 128 struct device *parent; 129 #ifdef __BROKEN_INDIRECT_CONFIG 130 void *match; 131 #else 132 struct cfdata *match; 133 #endif 134 void *aux; 135 { 136 struct pci_attach_args *pa = aux; 137 138 if (ne_pci_lookup(pa->pa_id) != NULL) 139 return (1); 140 141 return (0); 142 } 143 144 void 145 ne_pci_attach(parent, self, aux) 146 struct device *parent, *self; 147 void *aux; 148 { 149 struct ne_pci_softc *psc = (struct ne_pci_softc *)self; 150 struct ne2000_softc *nsc = &psc->sc_ne2000; 151 struct dp8390_softc *dsc = &nsc->sc_dp8390; 152 struct pci_attach_args *pa = aux; 153 pci_chipset_tag_t pc = pa->pa_pc; 154 bus_space_tag_t nict; 155 bus_space_handle_t nich; 156 bus_space_tag_t asict; 157 bus_space_handle_t asich; 158 const char *typestr = NULL, *intrstr; 159 pci_intr_handle_t ih; 160 pcireg_t csr; 161 162 typestr = ne_pci_lookup(pa->pa_id); 163 if (typestr == NULL) { 164 printf(": unknown model?!\n"); 165 return; 166 } 167 168 printf(": %s Ethernet\n", typestr); 169 170 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 171 &nict, &nich, NULL, NULL)) { 172 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 173 return; 174 } 175 176 asict = nict; 177 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 178 NE2000_ASIC_NPORTS, &asich)) { 179 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 180 return; 181 } 182 183 dsc->sc_regt = nict; 184 dsc->sc_regh = nich; 185 186 nsc->sc_asict = asict; 187 nsc->sc_asich = asich; 188 189 /* Enable the card. */ 190 csr = pci_conf_read(pc, pa->pa_tag, 191 PCI_COMMAND_STATUS_REG); 192 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 193 csr | PCI_COMMAND_MASTER_ENABLE); 194 195 /* This interface is always enabled. */ 196 dsc->sc_enabled = 1; 197 198 /* 199 * Do generic NE2000 attach. This will read the station address 200 * from the EEPROM. 201 */ 202 ne2000_attach(nsc, NULL); 203 204 /* Map and establish the interrupt. */ 205 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 206 pa->pa_intrline, &ih)) { 207 printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname); 208 return; 209 } 210 intrstr = pci_intr_string(pc, ih); 211 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc); 212 if (psc->sc_ih == NULL) { 213 printf("%s: couldn't establish interrupt", 214 dsc->sc_dev.dv_xname); 215 if (intrstr != NULL) 216 printf(" at %s", intrstr); 217 printf("\n"); 218 return; 219 } 220 printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr); 221 } 222