if_gem_pci.c revision 1.23
1 /* $NetBSD: if_gem_pci.c,v 1.23 2007/06/25 11:11:00 aymeric 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 1.23 2007/06/25 11:11:00 aymeric 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 #ifdef __sparc__ 79 #include <machine/promlib.h> 80 #endif 81 82 struct gem_pci_softc { 83 struct gem_softc gsc_gem; /* GEM device */ 84 void *gsc_ih; 85 }; 86 87 int gem_match_pci(struct device *, struct cfdata *, void *); 88 void gem_attach_pci(struct device *, struct device *, void *); 89 90 CFATTACH_DECL(gem_pci, sizeof(struct gem_pci_softc), 91 gem_match_pci, gem_attach_pci, NULL, NULL); 92 93 /* 94 * Attach routines need to be split out to different bus-specific files. 95 */ 96 97 int 98 gem_match_pci(parent, cf, aux) 99 struct device *parent; 100 struct cfdata *cf; 101 void *aux; 102 { 103 struct pci_attach_args *pa = aux; 104 105 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN && 106 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_ERINETWORK || 107 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_GEMNETWORK)) 108 return (1); 109 110 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE && 111 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC || 112 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC2 || 113 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC3 || 114 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_K2_GMAC || 115 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_INTREPID2_GMAC)) 116 return (1); 117 118 119 return (0); 120 } 121 122 void 123 gem_attach_pci(parent, self, aux) 124 struct device *parent, *self; 125 void *aux; 126 { 127 struct pci_attach_args *pa = aux; 128 struct gem_pci_softc *gsc = (void *)self; 129 struct gem_softc *sc = &gsc->gsc_gem; 130 pci_intr_handle_t ih; 131 const char *intrstr; 132 char devinfo[256]; 133 uint8_t enaddr[ETHER_ADDR_LEN]; 134 135 aprint_naive(": Ethernet controller\n"); 136 137 pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo)); 138 aprint_normal(": %s (rev. 0x%02x)\n", devinfo, 139 PCI_REVISION(pa->pa_class)); 140 141 sc->sc_dmatag = pa->pa_dmat; 142 143 sc->sc_pci = 1; /* XXX */ 144 145 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SUN && 146 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_ERINETWORK || 147 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SUN_GEMNETWORK)) 148 sc->sc_variant = GEM_SUN_GEM; 149 else if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE && 150 (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC || 151 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_GMAC2 || 152 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_K2_GMAC)) 153 sc->sc_variant = GEM_APPLE_GMAC; 154 155 #define PCI_GEM_BASEADDR (PCI_MAPREG_START + 0x00) 156 157 /* XXX Need to check for a 64-bit mem BAR? */ 158 if (pci_mapreg_map(pa, PCI_GEM_BASEADDR, 159 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 160 &sc->sc_bustag, &sc->sc_h1, NULL, NULL) != 0) 161 { 162 aprint_error("%s: unable to map device registers\n", 163 sc->sc_dev.dv_xname); 164 return; 165 } 166 if (bus_space_subregion(sc->sc_bustag, sc->sc_h1, 167 GEM_PCI_BANK2_OFFSET, GEM_PCI_BANK2_SIZE, &sc->sc_h2)) { 168 aprint_error("%s: unable to create bank 2 subregion\n", 169 sc->sc_dev.dv_xname); 170 return; 171 } 172 173 /* 174 * XXX This should be done with properties, when those are 175 * XXX fleshed out. 176 */ 177 #ifdef __sparc__ 178 { 179 prom_getether(PCITAG_NODE(pa->pa_tag), enaddr); 180 } 181 #endif /* __sparc__ */ 182 #ifdef macppc 183 { 184 int node; 185 186 node = pcidev_to_ofdev(pa->pa_pc, pa->pa_tag); 187 if (node == 0) { 188 aprint_error("%s: unable to locate OpenFirmware node\n", 189 sc->sc_dev.dv_xname); 190 return; 191 } 192 193 OF_getprop(node, "local-mac-address", enaddr, sizeof(enaddr)); 194 } 195 #endif /* macppc */ 196 197 if (pci_intr_map(pa, &ih) != 0) { 198 aprint_error("%s: unable to map interrupt\n", 199 sc->sc_dev.dv_xname); 200 return; 201 } 202 intrstr = pci_intr_string(pa->pa_pc, ih); 203 gsc->gsc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, gem_intr, sc); 204 if (gsc->gsc_ih == NULL) { 205 aprint_error("%s: unable to establish interrupt", 206 sc->sc_dev.dv_xname); 207 if (intrstr != NULL) 208 aprint_normal(" at %s", intrstr); 209 aprint_normal("\n"); 210 return; 211 } 212 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 213 214 /* Finish off the attach. */ 215 gem_attach(sc, enaddr); 216 } 217
Indexes created Thu Sep 25 16:09:42 GMT 2025