if_sf_pci.c revision 1.19
1 /* $NetBSD: if_sf_pci.c,v 1.19 2012/10/27 17:18:33 chs 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * PCI bus front-end for the Adaptec AIC-6915 (``Starfire'') 34 * 10/100 Ethernet controller. 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: if_sf_pci.c,v 1.19 2012/10/27 17:18:33 chs Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/mbuf.h> 43 #include <sys/malloc.h> 44 #include <sys/kernel.h> 45 #include <sys/socket.h> 46 #include <sys/ioctl.h> 47 #include <sys/errno.h> 48 #include <sys/device.h> 49 50 #include <net/if.h> 51 #include <net/if_dl.h> 52 #include <net/if_media.h> 53 #include <net/if_ether.h> 54 55 #include <sys/bus.h> 56 #include <sys/intr.h> 57 58 #include <dev/mii/miivar.h> 59 60 #include <dev/ic/aic6915reg.h> 61 #include <dev/ic/aic6915var.h> 62 63 #include <dev/pci/pcireg.h> 64 #include <dev/pci/pcivar.h> 65 #include <dev/pci/pcidevs.h> 66 67 struct sf_pci_softc { 68 struct sf_softc sc_starfire; /* read Starfire softc */ 69 70 /* PCI-specific goo. */ 71 void *sc_ih; /* interrupt handle */ 72 }; 73 74 static int sf_pci_match(device_t, cfdata_t, void *); 75 static void sf_pci_attach(device_t, device_t, void *); 76 77 CFATTACH_DECL_NEW(sf_pci, sizeof(struct sf_pci_softc), 78 sf_pci_match, sf_pci_attach, NULL, NULL); 79 80 struct sf_pci_product { 81 uint32_t spp_vendor; /* PCI vendor ID */ 82 uint32_t spp_product; /* PCI product ID */ 83 const char *spp_name; /* product name */ 84 const struct sf_pci_product *spp_subsys; /* subsystm IDs */ 85 }; 86 87 static const struct sf_pci_product sf_subsys_adaptec[] = { 88 /* ANA-62011 (rev 0) Single port 10/100 64-bit */ 89 { PCI_VENDOR_ADP, 0x0008, 90 "ANA-62011 (rev 0) 10/100 Ethernet", NULL }, 91 92 /* ANA-62011 (rev 1) Single port 10/100 64-bit */ 93 { PCI_VENDOR_ADP, 0x0009, 94 "ANA-62011 (rev 1) 10/100 Ethernet", NULL }, 95 96 /* ANA-62022 Dual port 10/100 64-bit */ 97 { PCI_VENDOR_ADP, 0x0010, 98 "ANA-62022 10/100 Ethernet", NULL }, 99 100 /* ANA-62044 (rev 0) Quad port 10/100 64-bit */ 101 { PCI_VENDOR_ADP, 0x0018, 102 "ANA-62044 (rev 0) 10/100 Ethernet", NULL }, 103 104 /* ANA-62044 (rev 1) Quad port 10/100 64-bit */ 105 { PCI_VENDOR_ADP, 0x0019, 106 "ANA-62044 (rev 1) 10/100 Ethernet", NULL }, 107 108 /* ANA-62020 Single port 100baseFX 64-bit */ 109 { PCI_VENDOR_ADP, 0x0020, 110 "ANA-62020 100baseFX Ethernet", NULL }, 111 112 /* ANA-69011 Single port 10/100 32-bit */ 113 { PCI_VENDOR_ADP, 0x0028, 114 "ANA-69011 10/100 Ethernet", NULL }, 115 116 { 0, 0, 117 NULL, NULL }, 118 }; 119 120 static const struct sf_pci_product sf_pci_products[] = { 121 { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915, 122 "AIC-6915 10/100 Ethernet", sf_subsys_adaptec }, 123 124 { 0, 0, 125 NULL, NULL }, 126 }; 127 128 static const struct sf_pci_product * 129 sf_pci_lookup(const struct pci_attach_args *pa) 130 { 131 const struct sf_pci_product *spp, *subspp; 132 pcireg_t subsysid; 133 134 for (spp = sf_pci_products; spp->spp_name != NULL; spp++) { 135 if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor && 136 PCI_PRODUCT(pa->pa_id) == spp->spp_product) { 137 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 138 PCI_SUBSYS_ID_REG); 139 for (subspp = spp->spp_subsys; 140 subspp->spp_name != NULL; subspp++) { 141 if (PCI_VENDOR(subsysid) == 142 subspp->spp_vendor || 143 PCI_PRODUCT(subsysid) == 144 subspp->spp_product) { 145 return (subspp); 146 } 147 } 148 return (spp); 149 } 150 } 151 152 return (NULL); 153 } 154 155 static int 156 sf_pci_match(device_t parent, cfdata_t match, void *aux) 157 { 158 struct pci_attach_args *pa = aux; 159 160 if (sf_pci_lookup(pa) != NULL) 161 return (1); 162 163 return (0); 164 } 165 166 static void 167 sf_pci_attach(device_t parent, device_t self, void *aux) 168 { 169 struct sf_pci_softc *psc = device_private(self); 170 struct sf_softc *sc = &psc->sc_starfire; 171 struct pci_attach_args *pa = aux; 172 pci_intr_handle_t ih; 173 const char *intrstr = NULL; 174 const struct sf_pci_product *spp; 175 bus_space_tag_t iot, memt; 176 bus_space_handle_t ioh, memh; 177 pcireg_t reg; 178 int error, ioh_valid, memh_valid; 179 180 sc->sc_dev = self; 181 spp = sf_pci_lookup(pa); 182 if (spp == NULL) { 183 printf("\n"); 184 panic("sf_pci_attach: impossible"); 185 } 186 187 printf(": %s, rev. %d\n", spp->spp_name, PCI_REVISION(pa->pa_class)); 188 189 /* power up chip */ 190 if ((error = pci_activate(pa->pa_pc, pa->pa_tag, self, NULL)) && 191 error != EOPNOTSUPP) { 192 aprint_error_dev(self, "cannot activate %d\n", 193 error); 194 return; 195 } 196 197 /* 198 * Map the device. 199 */ 200 reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); 201 switch (reg) { 202 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 203 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 204 memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, 205 reg, 0, &memt, &memh, NULL, NULL) == 0); 206 break; 207 default: 208 memh_valid = 0; 209 } 210 211 ioh_valid = (pci_mapreg_map(pa, 212 (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? 213 SF_PCI_IOBA : SF_PCI_IOBA - 0x04, 214 PCI_MAPREG_TYPE_IO, 0, 215 &iot, &ioh, NULL, NULL) == 0); 216 217 if (memh_valid) { 218 sc->sc_st = memt; 219 sc->sc_sh = memh; 220 sc->sc_iomapped = 0; 221 } else if (ioh_valid) { 222 sc->sc_st = iot; 223 sc->sc_sh = ioh; 224 sc->sc_iomapped = 1; 225 } else { 226 aprint_error_dev(self, "unable to map device registers\n"); 227 return; 228 } 229 230 sc->sc_dmat = pa->pa_dmat; 231 232 /* Make sure bus mastering is enabled. */ 233 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 234 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 235 PCI_COMMAND_MASTER_ENABLE); 236 237 /* 238 * Map and establish our interrupt. 239 */ 240 if (pci_intr_map(pa, &ih)) { 241 aprint_error_dev(self, "unable to map interrupt\n"); 242 return; 243 } 244 intrstr = pci_intr_string(pa->pa_pc, ih); 245 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc); 246 if (psc->sc_ih == NULL) { 247 aprint_error_dev(self, "unable to establish interrupt"); 248 if (intrstr != NULL) 249 aprint_error(" at %s", intrstr); 250 aprint_error("\n"); 251 return; 252 } 253 aprint_normal_dev(self, "interrupting at %s\n", intrstr); 254 255 /* 256 * Finish off the attach. 257 */ 258 sf_attach(sc); 259 } 260
Indexes created Sat Sep 27 22:09:54 GMT 2025