if_gem_pci.c revision 1.1
1 /* $NetBSD: if_gem_pci.c,v 1.1 2001/09/16 00:11:42 eeh Exp $ */ 2 3 /* 4 * 5 * Copyright (C) 2001 Eduardo Horvath. 6 * All rights reserved. 7 * 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31 32 /* 33 * PCI bindings for Sun GEM ethernet controllers. 34 */ 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/malloc.h> 39 #include <sys/kernel.h> 40 #include <sys/socket.h> 41 #include <sys/errno.h> 42 #include <sys/device.h> 43 44 #include <machine/endian.h> 45 46 #include <uvm/uvm_extern.h> 47 48 #include <net/if.h> 49 #include <net/if_dl.h> 50 #include <net/if_media.h> 51 #include <net/if_ether.h> 52 53 #if NBPFILTER > 0 54 #include <net/bpf.h> 55 #endif 56 57 #include <machine/bus.h> 58 #include <machine/intr.h> 59 60 #include <dev/mii/mii.h> 61 #include <dev/mii/miivar.h> 62 #include <dev/mii/mii_bitbang.h> 63 64 #include <dev/ic/gemreg.h> 65 #include <dev/ic/gemvar.h> 66 67 #include <dev/pci/pcivar.h> 68 #include <dev/pci/pcireg.h> 69 #include <dev/pci/pcidevs.h> 70 71 struct gem_pci_softc { 72 struct gem_softc gsc_gem; /* GEM device */ 73 bus_space_tag_t gsc_memt; 74 bus_space_handle_t gsc_memh; 75 void *gsc_ih; 76 }; 77 78 int gem_match_pci __P((struct device *, struct cfdata *, void *)); 79 void gem_attach_pci __P((struct device *, struct device *, void *)); 80 81 struct cfattach gem_pci_ca = { 82 sizeof(struct gem_pci_softc), gem_match_pci, gem_attach_pci 83 }; 84 85 /* 86 * Attach routines need to be split out to different bus-specific files. 87 */ 88 89 int 90 gem_match_pci(parent, cf, aux) 91 struct device *parent; 92 struct cfdata *cf; 93 void *aux; 94 { 95 struct pci_attach_args *pa = aux; 96 97 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN && 98 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_ERINETWORK || 99 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_GEMNETWORK)) 100 return (1); 101 102 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE && 103 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC || 104 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC2)) 105 return (1); 106 107 108 return (0); 109 } 110 111 void 112 gem_attach_pci(parent, self, aux) 113 struct device *parent, *self; 114 void *aux; 115 { 116 struct pci_attach_args *pa = aux; 117 struct gem_pci_softc *gsc = (void *)self; 118 struct gem_softc *sc = &gsc->gsc_gem; 119 pci_intr_handle_t intrhandle; 120 #ifdef __sparc__ 121 /* XXX the following declarations should be elsewhere */ 122 extern void myetheraddr __P((u_char *)); 123 #endif 124 const char *intrstr; 125 int type; 126 127 if (pa->pa_memt) { 128 type = PCI_MAPREG_TYPE_MEM; 129 sc->sc_bustag = pa->pa_memt; 130 } else { 131 type = PCI_MAPREG_TYPE_IO; 132 sc->sc_bustag = pa->pa_iot; 133 } 134 135 sc->sc_dmatag = pa->pa_dmat; 136 137 sc->sc_pci = 1; /* XXXXX should all be done in bus_dma. */ 138 139 #define PCI_GEM_BASEADDR 0x10 140 if (pci_mapreg_map(pa, PCI_GEM_BASEADDR, type, 0, 141 &gsc->gsc_memt, &gsc->gsc_memh, NULL, NULL) != 0) 142 { 143 printf(": could not map gem registers\n"); 144 return; 145 } 146 147 sc->sc_bustag = gsc->gsc_memt; 148 sc->sc_h = gsc->gsc_memh; 149 150 #if 0 151 /* SBUS compatible stuff? */ 152 sc->sc_seb = gsc->gsc_memh; 153 sc->sc_etx = gsc->gsc_memh + 0x2000; 154 sc->sc_erx = gsc->gsc_memh + 0x4000; 155 sc->sc_mac = gsc->gsc_memh + 0x6000; 156 sc->sc_mif = gsc->gsc_memh + 0x7000; 157 #endif 158 #ifdef __sparc__ 159 myetheraddr(sc->sc_enaddr); 160 #endif 161 162 sc->sc_burst = 16; /* XXX */ 163 164 /* 165 * call the main configure 166 */ 167 gem_config(sc); 168 169 if (pci_intr_map(pa, &intrhandle) != 0) { 170 printf("%s: couldn't map interrupt\n", 171 sc->sc_dev.dv_xname); 172 return; /* bus_unmap ? */ 173 } 174 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 175 gsc->gsc_ih = pci_intr_establish(pa->pa_pc, 176 intrhandle, IPL_NET, gem_intr, sc); 177 if (gsc->gsc_ih != NULL) { 178 printf("%s: using %s for interrupt\n", 179 sc->sc_dev.dv_xname, 180 intrstr ? intrstr : "unknown interrupt"); 181 } else { 182 printf("%s: couldn't establish interrupt", 183 sc->sc_dev.dv_xname); 184 if (intrstr != NULL) 185 printf(" at %s", intrstr); 186 printf("\n"); 187 return; /* bus_unmap ? */ 188 } 189 } 190
Indexes created Thu Sep 25 16:09:42 GMT 2025