| File: | dev/pci/if_ep_pci.c |
| Warning: | line 116, column 2 Value stored to 'i' is never read |
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| 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 NBPFILTER1 > 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_CONN0x48 0x48 /* Connector type */ |
| 74 | #define PCI_CBIO0x10 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_3COM0x10b7, PCI_PRODUCT_3COM_3C5900x5900 }, |
| 85 | { PCI_VENDOR_3COM0x10b7, PCI_PRODUCT_3COM_3C595MII0x5952 }, |
| 86 | { PCI_VENDOR_3COM0x10b7, PCI_PRODUCT_3COM_3C595T40x5951 }, |
| 87 | { PCI_VENDOR_3COM0x10b7, PCI_PRODUCT_3COM_3C595TX0x5950 }, |
| 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)(sizeof((ep_pci_devices)) / sizeof((ep_pci_devices)[0])))); |
| 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((void *)0); |
| 107 | |
| 108 | if (pci_mapreg_map(pa, PCI_CBIO0x10, PCI_MAPREG_TYPE_IO0x00000001, 0, |
| 109 | &sc->sc_iot, &sc->sc_ioh, NULL((void *)0), &iosize, 0)) { |
| 110 | printf(": can't map i/o space\n"); |
| 111 | return; |
| 112 | } |
| 113 | |
| 114 | sc->bustype = EP_BUS_PCI0x3; |
| 115 | |
| 116 | i = pci_conf_read(pc, pa->pa_tag, PCI_CONN0x48); |
Value stored to 'i' is never read | |
| 117 | |
| 118 | GO_WINDOW(0)((sc->sc_iot)->write_2((sc->sc_ioh), (0x0e), ((u_short ) (0x1<<11)|0))); |
| 119 | |
| 120 | printf(":"); |
| 121 | |
| 122 | epconfig(sc, EP_CHIPSET_VORTEX0x02, NULL((void *)0)); |
| 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_NET0x4, epintr, |
| 132 | sc, sc->sc_dev.dv_xname); |
| 133 | if (sc->sc_ih == NULL((void *)0)) { |
| 134 | printf(": couldn't establish interrupt"); |
| 135 | if (intrstr != NULL((void *)0)) |
| 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 | } |