if_ep_pci.c revision 1.4
1 /* $NetBSD: if_ep_pci.c,v 1.4 1996/05/10 05:28:03 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Herb Peyerl. 18 * 4. The name of Herb Peyerl may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include "bpfilter.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/mbuf.h> 38 #include <sys/socket.h> 39 #include <sys/ioctl.h> 40 #include <sys/errno.h> 41 #include <sys/syslog.h> 42 #include <sys/select.h> 43 #include <sys/device.h> 44 45 #include <net/if.h> 46 #include <net/if_dl.h> 47 #include <net/if_types.h> 48 49 #ifdef INET 50 #include <netinet/in.h> 51 #include <netinet/in_systm.h> 52 #include <netinet/in_var.h> 53 #include <netinet/ip.h> 54 #include <netinet/if_ether.h> 55 #endif 56 57 #ifdef NS 58 #include <netns/ns.h> 59 #include <netns/ns_if.h> 60 #endif 61 62 #if NBPFILTER > 0 63 #include <net/bpf.h> 64 #include <net/bpfdesc.h> 65 #endif 66 67 #include <machine/cpu.h> 68 #include <machine/bus.h> 69 70 #include <dev/ic/elink3var.h> 71 #include <dev/ic/elink3reg.h> 72 73 #include <dev/pci/pcivar.h> 74 #include <dev/pci/pcireg.h> 75 #include <dev/pci/pcidevs.h> 76 77 /* PCI constants */ 78 #define PCI_VENDORID(x) ((x) & 0xFFFF) 79 #define PCI_CHIPID(x) (((x) >> 16) & 0xFFFF) 80 #define PCI_CONN 0x48 /* Connector type */ 81 #define PCI_CBMA 0x10 /* Configuration Base Memory Address */ 82 83 int ep_pci_match __P((struct device *, void *, void *)); 84 void ep_pci_attach __P((struct device *, struct device *, void *)); 85 86 struct cfattach ep_pci_ca = { 87 sizeof(struct ep_softc), ep_pci_match, ep_pci_attach 88 }; 89 90 int 91 ep_pci_match(parent, match, aux) 92 struct device *parent; 93 void *match, *aux; 94 { 95 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 96 97 if (PCI_VENDORID(pa->pa_id) != PCI_VENDOR_3COM) 98 return 0; 99 100 switch (PCI_CHIPID(pa->pa_id)) { 101 case PCI_PRODUCT_3COM_3C590: 102 case PCI_PRODUCT_3COM_3C595: 103 break; 104 default: 105 return 0; 106 } 107 108 return 1; 109 } 110 111 void 112 ep_pci_attach(parent, self, aux) 113 struct device *parent, *self; 114 void *aux; 115 { 116 struct ep_softc *sc = (void *)self; 117 struct pci_attach_args *pa = aux; 118 pci_chipset_tag_t pc = pa->pa_pc; 119 bus_chipset_tag_t bc = pa->pa_bc; 120 bus_io_addr_t iobase; 121 bus_io_size_t iosize; 122 pci_intr_handle_t ih; 123 u_short i, conn = 0; 124 char *model; 125 const char *intrstr = NULL; 126 127 if (pci_io_find(pc, pa->pa_tag, PCI_CBMA, &iobase, &iosize)) { 128 printf(": can't find i/o space\n"); 129 return; 130 } 131 132 if (bus_io_map(bc, iobase, iosize, &sc->sc_ioh)) { 133 printf(": can't map i/o space\n"); 134 return; 135 } 136 137 sc->sc_bc = bc; 138 sc->bustype = EP_BUS_PCI; 139 140 i = pci_conf_read(pc, pa->pa_tag, PCI_CONN); 141 142 /* 143 * Bits 13,12,9 of the isa adapter are the same as bits 144 * 5,4,3 of the pci adapter 145 */ 146 if (i & IS_PCI_AUI) 147 conn |= IS_AUI; 148 if (i & IS_PCI_BNC) 149 conn |= IS_BNC; 150 if (i & IS_PCI_UTP) 151 conn |= IS_UTP; 152 153 GO_WINDOW(0); 154 155 switch (PCI_CHIPID(pa->pa_id)) { 156 case PCI_PRODUCT_3COM_3C590: 157 model = "3Com 3C590 Ethernet"; 158 break; 159 160 case PCI_PRODUCT_3COM_3C595: 161 model = "3Com 3C595 Ethernet"; 162 break; 163 default: 164 model = "unknown model!"; 165 } 166 167 printf(": %s\n", model); 168 169 epconfig(sc, conn); 170 171 /* Enable the card. */ 172 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 173 pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 174 PCI_COMMAND_MASTER_ENABLE); 175 176 /* Map and establish the interrupt. */ 177 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 178 pa->pa_intrline, &ih)) { 179 printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 180 return; 181 } 182 intrstr = pci_intr_string(pc, ih); 183 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, sc); 184 if (sc->sc_ih == NULL) { 185 printf("%s: couldn't establish interrupt", 186 sc->sc_dev.dv_xname); 187 if (intrstr != NULL) 188 printf(" at %s", intrstr); 189 printf("\n"); 190 return; 191 } 192 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 193 194 epstop(sc); 195 } 196
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