if_gem_pci.c revision 1.10
1 /* $NetBSD: if_gem_pci.c,v 1.10 2002/07/09 23:57:59 matt 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/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: if_gem_pci.c,v 1.10 2002/07/09 23:57:59 matt Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/malloc.h> 42 #include <sys/kernel.h> 43 #include <sys/socket.h> 44 #include <sys/errno.h> 45 #include <sys/device.h> 46 47 #include <machine/endian.h> 48 49 #include <uvm/uvm_extern.h> 50 51 #include <net/if.h> 52 #include <net/if_dl.h> 53 #include <net/if_media.h> 54 #include <net/if_ether.h> 55 56 #if NBPFILTER > 0 57 #include <net/bpf.h> 58 #endif 59 60 #include <machine/bus.h> 61 #include <machine/intr.h> 62 63 #include <dev/mii/mii.h> 64 #include <dev/mii/miivar.h> 65 #include <dev/mii/mii_bitbang.h> 66 67 #include <dev/ic/gemreg.h> 68 #include <dev/ic/gemvar.h> 69 70 #include <dev/pci/pcivar.h> 71 #include <dev/pci/pcireg.h> 72 #include <dev/pci/pcidevs.h> 73 74 /* XXX Should use Properties when that's fleshed out. */ 75 #ifdef macppc 76 #include <dev/ofw/openfirm.h> 77 #endif /* macppc */ 78 79 struct gem_pci_softc { 80 struct gem_softc gsc_gem; /* GEM device */ 81 void *gsc_ih; 82 }; 83 84 int gem_match_pci __P((struct device *, struct cfdata *, void *)); 85 void gem_attach_pci __P((struct device *, struct device *, void *)); 86 87 struct cfattach gem_pci_ca = { 88 sizeof(struct gem_pci_softc), gem_match_pci, gem_attach_pci 89 }; 90 91 /* 92 * Attach routines need to be split out to different bus-specific files. 93 */ 94 95 int 96 gem_match_pci(parent, cf, aux) 97 struct device *parent; 98 struct cfdata *cf; 99 void *aux; 100 { 101 struct pci_attach_args *pa = aux; 102 103 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN && 104 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_ERINETWORK || 105 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_GEMNETWORK)) 106 return (1); 107 108 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE && 109 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC || 110 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC2 || 111 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC3)) 112 return (1); 113 114 115 return (0); 116 } 117 118 void 119 gem_attach_pci(parent, self, aux) 120 struct device *parent, *self; 121 void *aux; 122 { 123 struct pci_attach_args *pa = aux; 124 struct gem_pci_softc *gsc = (void *)self; 125 struct gem_softc *sc = &gsc->gsc_gem; 126 pci_intr_handle_t ih; 127 const char *intrstr; 128 char devinfo[256]; 129 uint8_t enaddr[ETHER_ADDR_LEN]; 130 131 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo); 132 printf(": %s (rev. 0x%02x)\n", devinfo, PCI_REVISION(pa->pa_class)); 133 134 sc->sc_dmatag = pa->pa_dmat; 135 136 sc->sc_pci = 1; /* XXX */ 137 138 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN && 139 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_ERINETWORK || 140 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_GEMNETWORK)) 141 sc->sc_variant = GEM_SUN_GEM; 142 else if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE && 143 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC || 144 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC2)) 145 sc->sc_variant = GEM_APPLE_GMAC; 146 147 #define PCI_GEM_BASEADDR (PCI_MAPREG_START + 0x00) 148 149 /* XXX Need to check for a 64-bit mem BAR? */ 150 if (pci_mapreg_map(pa, PCI_GEM_BASEADDR, 151 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 152 &sc->sc_bustag, &sc->sc_h, NULL, NULL) != 0) 153 { 154 printf("%s: unable to map device registers\n", 155 sc->sc_dev.dv_xname); 156 return; 157 } 158 159 /* 160 * XXX This should be done with properties, when those are 161 * XXX fleshed out. 162 */ 163 #ifdef __sparc__ 164 { 165 extern void myetheraddr __P((u_char *)); 166 myetheraddr(enaddr); 167 } 168 #endif /* __sparc__ */ 169 #ifdef macppc 170 { 171 int node; 172 173 node = pcidev_to_ofdev(pa->pa_pc, pa->pa_tag); 174 if (node == 0) { 175 printf("%s: unable to locate OpenFirmware node\n", 176 sc->sc_dev.dv_xname); 177 return; 178 } 179 180 OF_getprop(node, "local-mac-address", enaddr, sizeof(enaddr)); 181 } 182 #endif /* macppc */ 183 184 if (pci_intr_map(pa, &ih) != 0) { 185 printf("%s: unable to map interrupt\n", sc->sc_dev.dv_xname); 186 return; 187 } 188 intrstr = pci_intr_string(pa->pa_pc, ih); 189 gsc->gsc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, gem_intr, sc); 190 if (gsc->gsc_ih == NULL) { 191 printf("%s: unable to establish interrupt", 192 sc->sc_dev.dv_xname); 193 if (intrstr != NULL) 194 printf(" at %s", intrstr); 195 printf("\n"); 196 return; 197 } 198 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 199 200 /* Finish off the attach. */ 201 gem_attach(sc, enaddr); 202 } 203
Indexes created Thu Sep 25 16:09:42 GMT 2025