| 1 | /* $NetBSD: if_ep_pci.c,v 1.53 2014/03/29 19:28:24 christos Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 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 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * Copyright (c) 1997 Jonathan Stone <jonathan@NetBSD.org> |
| 35 | * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org> |
| 36 | * All rights reserved. |
| 37 | * |
| 38 | * Redistribution and use in source and binary forms, with or without |
| 39 | * modification, are permitted provided that the following conditions |
| 40 | * are met: |
| 41 | * 1. Redistributions of source code must retain the above copyright |
| 42 | * notice, this list of conditions and the following disclaimer. |
| 43 | * 2. Redistributions in binary form must reproduce the above copyright |
| 44 | * notice, this list of conditions and the following disclaimer in the |
| 45 | * documentation and/or other materials provided with the distribution. |
| 46 | * 3. All advertising materials mentioning features or use of this software |
| 47 | * must display the following acknowledgement: |
| 48 | * This product includes software developed by Herb Peyerl. |
| 49 | * 4. The name of Herb Peyerl may not be used to endorse or promote products |
| 50 | * derived from this software without specific prior written permission. |
| 51 | * |
| 52 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 53 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 54 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 55 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 56 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 57 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 58 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 59 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 60 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 61 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 62 | */ |
| 63 | |
| 64 | #include <sys/cdefs.h> |
| 65 | __KERNEL_RCSID(0, "$NetBSD: if_ep_pci.c,v 1.53 2014/03/29 19:28:24 christos Exp $" ); |
| 66 | |
| 67 | #include <sys/param.h> |
| 68 | #include <sys/systm.h> |
| 69 | #include <sys/mbuf.h> |
| 70 | #include <sys/socket.h> |
| 71 | #include <sys/ioctl.h> |
| 72 | #include <sys/errno.h> |
| 73 | #include <sys/syslog.h> |
| 74 | #include <sys/select.h> |
| 75 | #include <sys/device.h> |
| 76 | |
| 77 | #include <net/if.h> |
| 78 | #include <net/if_dl.h> |
| 79 | #include <net/if_ether.h> |
| 80 | #include <net/if_media.h> |
| 81 | |
| 82 | #include <sys/cpu.h> |
| 83 | #include <sys/bus.h> |
| 84 | #include <sys/intr.h> |
| 85 | |
| 86 | #include <dev/mii/miivar.h> |
| 87 | |
| 88 | #include <dev/ic/elink3var.h> |
| 89 | #include <dev/ic/elink3reg.h> |
| 90 | |
| 91 | #include <dev/pci/pcivar.h> |
| 92 | #include <dev/pci/pcireg.h> |
| 93 | #include <dev/pci/pcidevs.h> |
| 94 | |
| 95 | /* |
| 96 | * PCI constants. |
| 97 | */ |
| 98 | #define PCI_CBIO PCI_BAR(0) /* Configuration Base IO Address */ |
| 99 | |
| 100 | static int ep_pci_match(device_t , cfdata_t, void *); |
| 101 | static void ep_pci_attach(device_t , device_t , void *); |
| 102 | |
| 103 | CFATTACH_DECL_NEW(ep_pci, sizeof(struct ep_softc), |
| 104 | ep_pci_match, ep_pci_attach, NULL, NULL); |
| 105 | |
| 106 | static struct ep_pci_product { |
| 107 | u_int32_t epp_prodid; /* PCI product ID */ |
| 108 | u_short epp_chipset; /* 3Com chipset used */ |
| 109 | int epp_flags; /* initial softc flags */ |
| 110 | const char *epp_name; /* device name */ |
| 111 | } ep_pci_products[] = { |
| 112 | { PCI_PRODUCT_3COM_3C590, ELINK_CHIPSET_VORTEX, |
| 113 | 0, |
| 114 | "3c590 Ethernet" }, |
| 115 | |
| 116 | /* |
| 117 | * Note: The 3c595-MII is an MII connector for an |
| 118 | * external PHY. We treat it as `manual' in the |
| 119 | * core driver. |
| 120 | */ |
| 121 | { PCI_PRODUCT_3COM_3C595TX, ELINK_CHIPSET_VORTEX, |
| 122 | 0, |
| 123 | "3c595-TX 10/100 Ethernet" }, |
| 124 | { PCI_PRODUCT_3COM_3C595T4, ELINK_CHIPSET_VORTEX, |
| 125 | 0, |
| 126 | "3c595-T4 10/100 Ethernet" }, |
| 127 | { PCI_PRODUCT_3COM_3C595MII, ELINK_CHIPSET_VORTEX, |
| 128 | 0, |
| 129 | "3c595-MII 10/100 Ethernet" }, |
| 130 | |
| 131 | { PCI_PRODUCT_3COM_3C900TPO, ELINK_CHIPSET_BOOMERANG, |
| 132 | 0, |
| 133 | "3c900-TPO Ethernet" }, |
| 134 | { PCI_PRODUCT_3COM_3C900COMBO, ELINK_CHIPSET_BOOMERANG, |
| 135 | 0, |
| 136 | "3c900-COMBO Ethernet" }, |
| 137 | |
| 138 | { PCI_PRODUCT_3COM_3C905TX, ELINK_CHIPSET_BOOMERANG, |
| 139 | ELINK_FLAGS_MII, |
| 140 | "3c905-TX 10/100 Ethernet" }, |
| 141 | { PCI_PRODUCT_3COM_3C905T4, ELINK_CHIPSET_BOOMERANG, |
| 142 | ELINK_FLAGS_MII, |
| 143 | "3c905-T4 10/100 Ethernet" }, |
| 144 | |
| 145 | { 0, 0, |
| 146 | 0, NULL }, |
| 147 | }; |
| 148 | |
| 149 | static const struct ep_pci_product * |
| 150 | ep_pci_lookup(const struct pci_attach_args *pa) |
| 151 | { |
| 152 | struct ep_pci_product *epp; |
| 153 | |
| 154 | if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) |
| 155 | return (NULL); |
| 156 | |
| 157 | for (epp = ep_pci_products; epp->epp_name != NULL; epp++) |
| 158 | if (PCI_PRODUCT(pa->pa_id) == epp->epp_prodid) |
| 159 | return (epp); |
| 160 | |
| 161 | return (NULL); |
| 162 | } |
| 163 | |
| 164 | static int |
| 165 | ep_pci_match(device_t parent, cfdata_t match, void *aux) |
| 166 | { |
| 167 | struct pci_attach_args *pa = (struct pci_attach_args *) aux; |
| 168 | |
| 169 | if (ep_pci_lookup(pa) != NULL) |
| 170 | return (1); |
| 171 | |
| 172 | return (0); |
| 173 | } |
| 174 | |
| 175 | static void |
| 176 | ep_pci_attach(device_t parent, device_t self, void *aux) |
| 177 | { |
| 178 | struct ep_softc *sc = device_private(self); |
| 179 | struct pci_attach_args *pa = aux; |
| 180 | pci_chipset_tag_t pc = pa->pa_pc; |
| 181 | pci_intr_handle_t ih; |
| 182 | const struct ep_pci_product *epp; |
| 183 | const char *intrstr = NULL; |
| 184 | char intrbuf[PCI_INTRSTR_LEN]; |
| 185 | |
| 186 | aprint_naive(": Ethernet controller\n" ); |
| 187 | |
| 188 | if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, |
| 189 | &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { |
| 190 | aprint_error(": can't map i/o space\n" ); |
| 191 | return; |
| 192 | } |
| 193 | |
| 194 | epp = ep_pci_lookup(pa); |
| 195 | if (epp == NULL) { |
| 196 | printf("\n" ); |
| 197 | panic("ep_pci_attach: impossible" ); |
| 198 | } |
| 199 | |
| 200 | aprint_normal(": 3Com %s\n" , epp->epp_name); |
| 201 | |
| 202 | sc->sc_dev = self; |
| 203 | sc->enable = NULL; |
| 204 | sc->disable = NULL; |
| 205 | sc->enabled = 1; |
| 206 | |
| 207 | sc->bustype = ELINK_BUS_PCI; |
| 208 | sc->ep_flags = epp->epp_flags; |
| 209 | |
| 210 | /* Enable the card. */ |
| 211 | pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, |
| 212 | pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | |
| 213 | PCI_COMMAND_MASTER_ENABLE); |
| 214 | |
| 215 | /* Map and establish the interrupt. */ |
| 216 | if (pci_intr_map(pa, &ih)) { |
| 217 | aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n" ); |
| 218 | return; |
| 219 | } |
| 220 | intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf)); |
| 221 | sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc); |
| 222 | if (sc->sc_ih == NULL) { |
| 223 | aprint_error_dev(sc->sc_dev, "couldn't establish interrupt" ); |
| 224 | if (intrstr != NULL) |
| 225 | aprint_error(" at %s" , intrstr); |
| 226 | aprint_error("\n" ); |
| 227 | return; |
| 228 | } |
| 229 | aprint_normal_dev(sc->sc_dev, "interrupting at %s\n" , intrstr); |
| 230 | |
| 231 | epconfig(sc, epp->epp_chipset, NULL); |
| 232 | } |
| 233 | |