if_gem_pci.c revision 1.6
1 /* $NetBSD: if_gem_pci.c,v 1.6 2001/10/18 06:28:18 thorpej 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 /* XXX Should use Properties when that's fleshed out. */ 72 #ifdef macppc 73 #include <dev/ofw/openfirm.h> 74 #endif /* macppc */ 75 76 struct gem_pci_softc { 77 struct gem_softc gsc_gem; /* GEM device */ 78 void *gsc_ih; 79 }; 80 81 int gem_match_pci __P((struct device *, struct cfdata *, void *)); 82 void gem_attach_pci __P((struct device *, struct device *, void *)); 83 84 struct cfattach gem_pci_ca = { 85 sizeof(struct gem_pci_softc), gem_match_pci, gem_attach_pci 86 }; 87 88 /* 89 * Attach routines need to be split out to different bus-specific files. 90 */ 91 92 int 93 gem_match_pci(parent, cf, aux) 94 struct device *parent; 95 struct cfdata *cf; 96 void *aux; 97 { 98 struct pci_attach_args *pa = aux; 99 100 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN && 101 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_ERINETWORK || 102 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_GEMNETWORK)) 103 return (1); 104 105 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE && 106 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC || 107 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC2)) 108 return (1); 109 110 111 return (0); 112 } 113 114 void 115 gem_attach_pci(parent, self, aux) 116 struct device *parent, *self; 117 void *aux; 118 { 119 struct pci_attach_args *pa = aux; 120 struct gem_pci_softc *gsc = (void *)self; 121 struct gem_softc *sc = &gsc->gsc_gem; 122 pci_intr_handle_t ih; 123 const char *intrstr; 124 char devinfo[256]; 125 126 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 127 printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class)); 128 129 sc->sc_dmatag = pa->pa_dmat; 130 131 sc->sc_pci = 1; /* XXX */ 132 133 #define PCI_GEM_BASEADDR (PCI_MAPREG_START + 0x00) 134 135 /* XXX Need to check for a 64-bit mem BAR? */ 136 if (pci_mapreg_map(pa, PCI_GEM_BASEADDR, 137 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 138 &sc->sc_bustag, &sc->sc_h, NULL, NULL) != 0) 139 { 140 printf("%s: unable to map device registers\n", 141 sc->sc_dev.dv_xname); 142 return; 143 } 144 145 /* 146 * XXX This should be done with properties, when those are 147 * XXX fleshed out. 148 */ 149 #ifdef __sparc__ 150 { 151 extern void myetheraddr __P((u_char *)); 152 myetheraddr(sc->sc_enaddr); 153 } 154 #endif /* __sparc__ */ 155 #ifdef macppc 156 { 157 int node; 158 159 node = pcidev_to_ofdev(pa->pa_pc, pa->pa_tag); 160 if (node == 0) { 161 printf("%s: unable to locate OpenFirmware node\n", 162 sc->sc_dev.dv_xname); 163 return; 164 } 165 166 OF_getprop(node, "local-mac-address", sc->sc_enaddr, 167 sizeof(sc->sc_enaddr)); 168 } 169 #endif /* macppc */ 170 171 if (pci_intr_map(pa, &ih) != 0) { 172 printf("%s: unable to map interrupt\n", sc->sc_dev.dv_xname); 173 return; 174 } 175 intrstr = pci_intr_string(pa->pa_pc, ih); 176 gsc->gsc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, gem_intr, sc); 177 if (gsc->gsc_ih == NULL) { 178 printf("%s: unable to establish interrupt", 179 sc->sc_dev.dv_xname); 180 if (intrstr != NULL) 181 printf(" at %s", intrstr); 182 printf("\n"); 183 return; 184 } 185 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 186 187 /* 188 * call the main configure 189 */ 190 gem_config(sc); 191 } 192
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