if_sf_pci.c revision 1.13
1 /* $NetBSD: if_sf_pci.c,v 1.13 2007/10/19 12:00:47 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * PCI bus front-end for the Adaptec AIC-6915 (``Starfire'') 41 * 10/100 Ethernet controller. 42 */ 43 44 #include <sys/cdefs.h> 45 __KERNEL_RCSID(0, "$NetBSD: if_sf_pci.c,v 1.13 2007/10/19 12:00:47 ad Exp $"); 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/mbuf.h> 50 #include <sys/malloc.h> 51 #include <sys/kernel.h> 52 #include <sys/socket.h> 53 #include <sys/ioctl.h> 54 #include <sys/errno.h> 55 #include <sys/device.h> 56 57 #include <net/if.h> 58 #include <net/if_dl.h> 59 #include <net/if_media.h> 60 #include <net/if_ether.h> 61 62 #include <sys/bus.h> 63 #include <sys/intr.h> 64 65 #include <dev/mii/miivar.h> 66 67 #include <dev/ic/aic6915reg.h> 68 #include <dev/ic/aic6915var.h> 69 70 #include <dev/pci/pcireg.h> 71 #include <dev/pci/pcivar.h> 72 #include <dev/pci/pcidevs.h> 73 74 struct sf_pci_softc { 75 struct sf_softc sc_starfire; /* read Starfire softc */ 76 77 /* PCI-specific goo. */ 78 void *sc_ih; /* interrupt handle */ 79 }; 80 81 static int sf_pci_match(struct device *, struct cfdata *, void *); 82 static void sf_pci_attach(struct device *, struct device *, void *); 83 84 CFATTACH_DECL(sf_pci, sizeof(struct sf_pci_softc), 85 sf_pci_match, sf_pci_attach, NULL, NULL); 86 87 struct sf_pci_product { 88 uint32_t spp_vendor; /* PCI vendor ID */ 89 uint32_t spp_product; /* PCI product ID */ 90 const char *spp_name; /* product name */ 91 const struct sf_pci_product *spp_subsys; /* subsystm IDs */ 92 }; 93 94 static const struct sf_pci_product sf_subsys_adaptec[] = { 95 /* ANA-62011 (rev 0) Single port 10/100 64-bit */ 96 { PCI_VENDOR_ADP, 0x0008, 97 "ANA-62011 (rev 0) 10/100 Ethernet", NULL }, 98 99 /* ANA-62011 (rev 1) Single port 10/100 64-bit */ 100 { PCI_VENDOR_ADP, 0x0009, 101 "ANA-62011 (rev 1) 10/100 Ethernet", NULL }, 102 103 /* ANA-62022 Dual port 10/100 64-bit */ 104 { PCI_VENDOR_ADP, 0x0010, 105 "ANA-62022 10/100 Ethernet", NULL }, 106 107 /* ANA-62044 (rev 0) Quad port 10/100 64-bit */ 108 { PCI_VENDOR_ADP, 0x0018, 109 "ANA-62044 (rev 0) 10/100 Ethernet", NULL }, 110 111 /* ANA-62044 (rev 1) Quad port 10/100 64-bit */ 112 { PCI_VENDOR_ADP, 0x0019, 113 "ANA-62044 (rev 1) 10/100 Ethernet", NULL }, 114 115 /* ANA-62020 Single port 100baseFX 64-bit */ 116 { PCI_VENDOR_ADP, 0x0020, 117 "ANA-62020 100baseFX Ethernet", NULL }, 118 119 /* ANA-69011 Single port 10/100 32-bit */ 120 { PCI_VENDOR_ADP, 0x0028, 121 "ANA-69011 10/100 Ethernet", NULL }, 122 123 { 0, 0, 124 NULL, NULL }, 125 }; 126 127 static const struct sf_pci_product sf_pci_products[] = { 128 { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915, 129 "AIC-6915 10/100 Ethernet", sf_subsys_adaptec }, 130 131 { 0, 0, 132 NULL, NULL }, 133 }; 134 135 static const struct sf_pci_product * 136 sf_pci_lookup(const struct pci_attach_args *pa) 137 { 138 const struct sf_pci_product *spp, *subspp; 139 pcireg_t subsysid; 140 141 for (spp = sf_pci_products; spp->spp_name != NULL; spp++) { 142 if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor && 143 PCI_PRODUCT(pa->pa_id) == spp->spp_product) { 144 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 145 PCI_SUBSYS_ID_REG); 146 for (subspp = spp->spp_subsys; 147 subspp->spp_name != NULL; subspp++) { 148 if (PCI_VENDOR(subsysid) == 149 subspp->spp_vendor || 150 PCI_PRODUCT(subsysid) == 151 subspp->spp_product) { 152 return (subspp); 153 } 154 } 155 return (spp); 156 } 157 } 158 159 return (NULL); 160 } 161 162 static int 163 sf_pci_match(struct device *parent, struct cfdata *match, 164 void *aux) 165 { 166 struct pci_attach_args *pa = aux; 167 168 if (sf_pci_lookup(pa) != NULL) 169 return (1); 170 171 return (0); 172 } 173 174 static void 175 sf_pci_attach(struct device *parent, struct device *self, void *aux) 176 { 177 struct sf_pci_softc *psc = (void *) self; 178 struct sf_softc *sc = &psc->sc_starfire; 179 struct pci_attach_args *pa = aux; 180 pci_intr_handle_t ih; 181 const char *intrstr = NULL; 182 const struct sf_pci_product *spp; 183 bus_space_tag_t iot, memt; 184 bus_space_handle_t ioh, memh; 185 pcireg_t reg; 186 int error, ioh_valid, memh_valid; 187 188 spp = sf_pci_lookup(pa); 189 if (spp == NULL) { 190 printf("\n"); 191 panic("sf_pci_attach: impossible"); 192 } 193 194 printf(": %s, rev. %d\n", spp->spp_name, PCI_REVISION(pa->pa_class)); 195 196 /* power up chip */ 197 if ((error = pci_activate(pa->pa_pc, pa->pa_tag, sc, 198 NULL)) && error != EOPNOTSUPP) { 199 aprint_error("%s: cannot activate %d\n", sc->sc_dev.dv_xname, 200 error); 201 return; 202 } 203 204 /* 205 * Map the device. 206 */ 207 reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); 208 switch (reg) { 209 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 210 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 211 memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, 212 reg, 0, &memt, &memh, NULL, NULL) == 0); 213 break; 214 default: 215 memh_valid = 0; 216 } 217 218 ioh_valid = (pci_mapreg_map(pa, 219 (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? 220 SF_PCI_IOBA : SF_PCI_IOBA - 0x04, 221 PCI_MAPREG_TYPE_IO, 0, 222 &iot, &ioh, NULL, NULL) == 0); 223 224 if (memh_valid) { 225 sc->sc_st = memt; 226 sc->sc_sh = memh; 227 sc->sc_iomapped = 0; 228 } else if (ioh_valid) { 229 sc->sc_st = iot; 230 sc->sc_sh = ioh; 231 sc->sc_iomapped = 1; 232 } else { 233 printf("%s: unable to map device registers\n", 234 sc->sc_dev.dv_xname); 235 return; 236 } 237 238 sc->sc_dmat = pa->pa_dmat; 239 240 /* Make sure bus mastering is enabled. */ 241 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 242 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 243 PCI_COMMAND_MASTER_ENABLE); 244 245 /* 246 * Map and establish our interrupt. 247 */ 248 if (pci_intr_map(pa, &ih)) { 249 printf("%s: unable to map interrupt\n", sc->sc_dev.dv_xname); 250 return; 251 } 252 intrstr = pci_intr_string(pa->pa_pc, ih); 253 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc); 254 if (psc->sc_ih == NULL) { 255 printf("%s: unable to establish interrupt", 256 sc->sc_dev.dv_xname); 257 if (intrstr != NULL) 258 printf(" at %s", intrstr); 259 printf("\n"); 260 return; 261 } 262 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 263 264 /* 265 * Finish off the attach. 266 */ 267 sf_attach(sc); 268 } 269
Indexes created Fri Sep 26 20:09:58 GMT 2025