1 /* $OpenBSD: if_ep_pci.c,v 1.37 2023/09/11 08:41:26 mvs Exp $ */ 2 /* $NetBSD: if_ep_pci.c,v 1.13 1996/10/21 22:56:38 thorpej Exp $ */ 3 4 /* 5 * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Herb Peyerl. 19 * 4. The name of Herb Peyerl may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include "bpfilter.h" 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/mbuf.h> 39 #include <sys/socket.h> 40 #include <sys/ioctl.h> 41 #include <sys/errno.h> 42 #include <sys/timeout.h> 43 #include <sys/syslog.h> 44 #include <sys/device.h> 45 46 #include <net/if.h> 47 #include <net/if_media.h> 48 49 #include <netinet/in.h> 50 #include <netinet/if_ether.h> 51 52 #if NBPFILTER > 0 53 #include <net/bpf.h> 54 #endif 55 56 #include <machine/cpu.h> 57 #include <machine/bus.h> 58 #include <machine/intr.h> 59 60 #include <dev/mii/miivar.h> 61 62 #include <dev/ic/elink3var.h> 63 #include <dev/ic/elink3reg.h> 64 65 #include <dev/pci/pcivar.h> 66 #include <dev/pci/pcireg.h> 67 #include <dev/pci/pcidevs.h> 68 69 /* 70 * PCI constants. 71 * XXX These should be in a common file! 72 */ 73 #define PCI_CONN 0x48 /* Connector type */ 74 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 75 76 int ep_pci_match(struct device *, void *, void *); 77 void ep_pci_attach(struct device *, struct device *, void *); 78 79 const struct cfattach ep_pci_ca = { 80 sizeof(struct ep_softc), ep_pci_match, ep_pci_attach 81 }; 82 83 const struct pci_matchid ep_pci_devices[] = { 84 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C590 }, 85 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595MII }, 86 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595T4 }, 87 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595TX }, 88 }; 89 90 int 91 ep_pci_match(struct device *parent, void *match, void *aux) 92 { 93 return (pci_matchbyid((struct pci_attach_args *)aux, ep_pci_devices, 94 nitems(ep_pci_devices))); 95 } 96 97 void 98 ep_pci_attach(struct device *parent, struct device *self, void *aux) 99 { 100 struct ep_softc *sc = (void *)self; 101 struct pci_attach_args *pa = aux; 102 pci_chipset_tag_t pc = pa->pa_pc; 103 bus_size_t iosize; 104 pci_intr_handle_t ih; 105 pcireg_t i; 106 const char *intrstr = NULL; 107 108 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 109 &sc->sc_iot, &sc->sc_ioh, NULL, &iosize, 0)) { 110 printf(": can't map i/o space\n"); 111 return; 112 } 113 114 sc->bustype = EP_BUS_PCI; 115 116 i = pci_conf_read(pc, pa->pa_tag, PCI_CONN); 117 118 GO_WINDOW(0); 119 120 printf(":"); 121 122 epconfig(sc, EP_CHIPSET_VORTEX, NULL); 123 124 /* Map and establish the interrupt. */ 125 if (pci_intr_map(pa, &ih)) { 126 printf(", couldn't map interrupt\n"); 127 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 128 return; 129 } 130 intrstr = pci_intr_string(pc, ih); 131 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, 132 sc, sc->sc_dev.dv_xname); 133 if (sc->sc_ih == NULL) { 134 printf(": couldn't establish interrupt"); 135 if (intrstr != NULL) 136 printf(" at %s", intrstr); 137 printf("\n"); 138 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 139 return; 140 } 141 printf(" %s\n", intrstr); 142 } 143