1 /* $OpenBSD: if_ep_pci.c,v 1.38 2024/05/24 06:02:53 jsg 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 <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/timeout.h> 37 #include <sys/device.h> 38 39 #include <net/if.h> 40 #include <net/if_media.h> 41 42 #include <netinet/in.h> 43 #include <netinet/if_ether.h> 44 45 #include <machine/bus.h> 46 #include <machine/intr.h> 47 48 #include <dev/mii/miivar.h> 49 50 #include <dev/ic/elink3var.h> 51 #include <dev/ic/elink3reg.h> 52 53 #include <dev/pci/pcivar.h> 54 #include <dev/pci/pcireg.h> 55 #include <dev/pci/pcidevs.h> 56 57 /* 58 * PCI constants. 59 * XXX These should be in a common file! 60 */ 61 #define PCI_CONN 0x48 /* Connector type */ 62 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 63 64 int ep_pci_match(struct device *, void *, void *); 65 void ep_pci_attach(struct device *, struct device *, void *); 66 67 const struct cfattach ep_pci_ca = { 68 sizeof(struct ep_softc), ep_pci_match, ep_pci_attach 69 }; 70 71 const struct pci_matchid ep_pci_devices[] = { 72 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C590 }, 73 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595MII }, 74 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595T4 }, 75 { PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3C595TX }, 76 }; 77 78 int 79 ep_pci_match(struct device *parent, void *match, void *aux) 80 { 81 return (pci_matchbyid((struct pci_attach_args *)aux, ep_pci_devices, 82 nitems(ep_pci_devices))); 83 } 84 85 void 86 ep_pci_attach(struct device *parent, struct device *self, void *aux) 87 { 88 struct ep_softc *sc = (void *)self; 89 struct pci_attach_args *pa = aux; 90 pci_chipset_tag_t pc = pa->pa_pc; 91 bus_size_t iosize; 92 pci_intr_handle_t ih; 93 pcireg_t i; 94 const char *intrstr = NULL; 95 96 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 97 &sc->sc_iot, &sc->sc_ioh, NULL, &iosize, 0)) { 98 printf(": can't map i/o space\n"); 99 return; 100 } 101 102 sc->bustype = EP_BUS_PCI; 103 104 i = pci_conf_read(pc, pa->pa_tag, PCI_CONN); 105 106 GO_WINDOW(0); 107 108 printf(":"); 109 110 epconfig(sc, EP_CHIPSET_VORTEX, NULL); 111 112 /* Map and establish the interrupt. */ 113 if (pci_intr_map(pa, &ih)) { 114 printf(", couldn't map interrupt\n"); 115 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 116 return; 117 } 118 intrstr = pci_intr_string(pc, ih); 119 sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, 120 sc, sc->sc_dev.dv_xname); 121 if (sc->sc_ih == NULL) { 122 printf(": couldn't establish interrupt"); 123 if (intrstr != NULL) 124 printf(" at %s", intrstr); 125 printf("\n"); 126 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 127 return; 128 } 129 printf(" %s\n", intrstr); 130 } 131