if_ex_pci.c revision 1.1
1 /* $NetBSD: if_ex_pci.c,v 1.1 1998/11/04 00:31:05 fvdl 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 Frank van der Linden. 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 #include "opt_inet.h" 40 #include "opt_ns.h" 41 #include "bpfilter.h" 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/ioctl.h> 48 #include <sys/errno.h> 49 #include <sys/syslog.h> 50 #include <sys/select.h> 51 #include <sys/device.h> 52 53 #include <net/if.h> 54 #include <net/if_dl.h> 55 #include <net/if_ether.h> 56 #include <net/if_media.h> 57 58 #ifdef INET 59 #include <netinet/in.h> 60 #include <netinet/in_systm.h> 61 #include <netinet/in_var.h> 62 #include <netinet/ip.h> 63 #include <netinet/if_inarp.h> 64 #endif 65 66 #ifdef NS 67 #include <netns/ns.h> 68 #include <netns/ns_if.h> 69 #endif 70 71 #if NBPFILTER > 0 72 #include <net/bpf.h> 73 #include <net/bpfdesc.h> 74 #endif 75 76 #include <machine/cpu.h> 77 #include <machine/bus.h> 78 #include <machine/intr.h> 79 80 #include <dev/mii/miivar.h> 81 #include <dev/mii/mii.h> 82 83 #include <dev/ic/elink3var.h> 84 #include <dev/ic/elink3reg.h> 85 #include <dev/ic/elinkxlreg.h> 86 #include <dev/ic/elinkxlvar.h> 87 88 #include <dev/pci/pcivar.h> 89 #include <dev/pci/pcireg.h> 90 #include <dev/pci/pcidevs.h> 91 92 /* 93 * PCI constants. 94 * XXX These should be in a common file! 95 */ 96 #define PCI_CONN 0x48 /* Connector type */ 97 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 98 #define PCI_CAPPTR 0x34 99 #define PCI_CAPID 0xdc 100 #define PCI_POWERCAP 0xde 101 #define PCI_POWERCTL 0xe0 102 103 int ex_pci_match __P((struct device *, struct cfdata *, void *)); 104 void ex_pci_attach __P((struct device *, struct device *, void *)); 105 106 struct cfattach ex_pci_ca = { 107 sizeof(struct ex_softc), ex_pci_match, ex_pci_attach 108 }; 109 110 int 111 ex_pci_match(parent, match, aux) 112 struct device *parent; 113 struct cfdata *match; 114 void *aux; 115 { 116 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 117 118 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3COM) 119 return 0; 120 121 switch (PCI_PRODUCT(pa->pa_id)) { 122 case PCI_PRODUCT_3COM_3C900TPO: 123 case PCI_PRODUCT_3COM_3C900COMBO: 124 case PCI_PRODUCT_3COM_3C905TX: 125 case PCI_PRODUCT_3COM_3C905T4: 126 case PCI_PRODUCT_3COM_3C900BTPO: 127 case PCI_PRODUCT_3COM_3C900BCOMBO: 128 case PCI_PRODUCT_3COM_3C905BT4: 129 case PCI_PRODUCT_3COM_3C905BTX: 130 break; 131 default: 132 return 0; 133 } 134 135 return 1; 136 } 137 138 void 139 ex_pci_attach(parent, self, aux) 140 struct device *parent, *self; 141 void *aux; 142 { 143 struct ex_softc *sc = (void *)self; 144 struct pci_attach_args *pa = aux; 145 pci_chipset_tag_t pc = pa->pa_pc; 146 pci_intr_handle_t ih; 147 char *model; 148 const char *intrstr = NULL; 149 int pmode; 150 151 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 152 &sc->sc_iot, &sc->sc_ioh, NULL, NULL)) { 153 printf(": can't map i/o space\n"); 154 return; 155 } 156 157 sc->sc_dmat = pa->pa_dmat; 158 159 sc->ex_bustype = EX_BUS_PCI; 160 sc->ex_conf = 0; 161 162 switch (PCI_PRODUCT(pa->pa_id)) { 163 case PCI_PRODUCT_3COM_3C900TPO: 164 case PCI_PRODUCT_3COM_3C900COMBO: 165 model = "3Com 3C900 Ethernet"; 166 break; 167 case PCI_PRODUCT_3COM_3C905TX: 168 case PCI_PRODUCT_3COM_3C905T4: 169 sc->ex_conf = EX_CONF_MII; 170 model = "3Com 3C905 Ethernet"; 171 break; 172 case PCI_PRODUCT_3COM_3C900BTPO: 173 case PCI_PRODUCT_3COM_3C900BCOMBO: 174 sc->ex_conf = EX_CONF_90XB; 175 model = "3Com 3C900B Ethernet"; 176 break; 177 case PCI_PRODUCT_3COM_3C905BTX: 178 case PCI_PRODUCT_3COM_3C905BT4: 179 sc->ex_conf = (EX_CONF_MII | EX_CONF_90XB); 180 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3COM_3C905BTX) 181 sc->ex_conf |= EX_CONF_INTPHY; 182 model = "3Com 3C905B Ethernet"; 183 break; 184 default: 185 model = "unknown model!"; 186 break; 187 } 188 189 printf(": %s\n", model); 190 191 sc->enable = NULL; 192 sc->disable = NULL; 193 sc->enabled = 1; 194 195 /* Enable the card. */ 196 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 197 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 198 PCI_COMMAND_MASTER_ENABLE); 199 200 /* Get it out of power save mode if needed (BIOS bugs) */ 201 if ((pci_conf_read(pc, pa->pa_tag, PCI_CAPPTR) & 0xff) == PCI_CAPID && 202 (pci_conf_read(pc, pa->pa_tag, PCI_CAPID) & 0xff) == 0x01) { 203 pmode = pci_conf_read(pc, pa->pa_tag, PCI_POWERCTL) & 0x3; 204 if (pmode == 3) { 205 /* 206 * The card has lost all configuration data in 207 * this state, so punt. 208 */ 209 printf("%s: unable to wake up from power state D3\n", 210 sc->sc_dev.dv_xname); 211 return; 212 } 213 if (pmode != 0) { 214 printf("%s: waking up from power state D%d\n", 215 sc->sc_dev.dv_xname, pmode); 216 pci_conf_write(pc, pa->pa_tag, PCI_POWERCTL, 0); 217 } 218 } 219 220 /* Map and establish the interrupt. */ 221 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 222 pa->pa_intrline, &ih)) { 223 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 224 return; 225 } 226 intrstr = pci_intr_string(pc, ih); 227 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, ex_intr, sc); 228 if (sc->sc_ih == NULL) { 229 printf("%s: couldn't establish interrupt", 230 sc->sc_dev.dv_xname); 231 if (intrstr != NULL) 232 printf(" at %s", intrstr); 233 printf("\n"); 234 return; 235 } 236 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 237 238 ex_config(sc); 239 240 } 241
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