if_sf_pci.c revision 1.3
1 /* $NetBSD: if_sf_pci.c,v 1.3 2001/11/13 07:48:44 lukem 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 1.3 2001/11/13 07:48:44 lukem 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 <machine/bus.h> 63 #include <machine/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 int sf_pci_match(struct device *, struct cfdata *, void *); 82 void sf_pci_attach(struct device *, struct device *, void *); 83 84 struct cfattach sf_pci_ca = { 85 sizeof(struct sf_pci_softc), sf_pci_match, sf_pci_attach, 86 }; 87 88 struct sf_pci_product { 89 uint32_t spp_vendor; /* PCI vendor ID */ 90 uint32_t spp_product; /* PCI product ID */ 91 const char *spp_name; /* product name */ 92 const struct sf_pci_product *spp_subsys; /* subsystm IDs */ 93 }; 94 95 const struct sf_pci_product sf_subsys_adaptec[] = { 96 /* ANA-62011 (rev 0) Single port 10/100 64-bit */ 97 { PCI_VENDOR_ADP, 0x0008, 98 "ANA-62011 (rev 0) 10/100 Ethernet", NULL }, 99 100 /* ANA-62011 (rev 1) Single port 10/100 64-bit */ 101 { PCI_VENDOR_ADP, 0x0009, 102 "ANA-62011 (rev 1) 10/100 Ethernet", NULL }, 103 104 /* ANA-62022 Dual port 10/100 64-bit */ 105 { PCI_VENDOR_ADP, 0x0010, 106 "ANA-62022 10/100 Ethernet", NULL }, 107 108 /* ANA-62044 (rev 0) Quad port 10/100 64-bit */ 109 { PCI_VENDOR_ADP, 0x0018, 110 "ANA-62044 (rev 0) 10/100 Ethernet", NULL }, 111 112 /* ANA-62044 (rev 1) Quad port 10/100 64-bit */ 113 { PCI_VENDOR_ADP, 0x0019, 114 "ANA-62044 (rev 1) 10/100 Ethernet", NULL }, 115 116 /* ANA-62020 Single port 100baseFX 64-bit */ 117 { PCI_VENDOR_ADP, 0x0020, 118 "ANA-62020 100baseFX Ethernet", NULL }, 119 120 /* ANA-69011 Single port 10/100 32-bit */ 121 { PCI_VENDOR_ADP, 0x0028, 122 "ANA-69011 10/100 Ethernet", NULL }, 123 124 { 0, 0, 125 NULL, NULL }, 126 }; 127 128 const struct sf_pci_product sf_pci_products[] = { 129 { PCI_VENDOR_ADP, PCI_PRODUCT_ADP_AIC6915, 130 "AIC-6915 10/100 Ethernet", sf_subsys_adaptec }, 131 132 { 0, 0, 133 NULL, NULL }, 134 }; 135 136 static const struct sf_pci_product * 137 sf_pci_lookup(const struct pci_attach_args *pa) 138 { 139 const struct sf_pci_product *spp, *subspp; 140 pcireg_t subsysid; 141 142 for (spp = sf_pci_products; spp->spp_name != NULL; spp++) { 143 if (PCI_VENDOR(pa->pa_id) == spp->spp_vendor && 144 PCI_PRODUCT(pa->pa_id) == spp->spp_product) { 145 subsysid = pci_conf_read(pa->pa_pc, pa->pa_tag, 146 PCI_SUBSYS_ID_REG); 147 for (subspp = spp->spp_subsys; 148 subspp->spp_name != NULL; subspp++) { 149 if (PCI_VENDOR(subsysid) == 150 subspp->spp_vendor || 151 PCI_PRODUCT(subsysid) == 152 subspp->spp_product) { 153 return (subspp); 154 } 155 } 156 return (spp); 157 } 158 } 159 160 return (NULL); 161 } 162 163 int 164 sf_pci_match(struct device *parent, struct cfdata *match, 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 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 pmreg, 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 if (pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_PWRMGMT, 197 &pmreg, 0)) { 198 reg = pci_conf_read(pa->pa_pc, pa->pa_tag, pmreg + 4); 199 switch (reg & PCI_PMCSR_STATE_MASK) { 200 case PCI_PMCSR_STATE_D1: 201 case PCI_PMCSR_STATE_D2: 202 printf(": waking up from power state D%d\n%s", 203 reg & PCI_PMCSR_STATE_MASK, sc->sc_dev.dv_xname); 204 pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + 4, 205 (reg & ~PCI_PMCSR_STATE_MASK) | 206 PCI_PMCSR_STATE_D0); 207 break; 208 209 case PCI_PMCSR_STATE_D3: 210 printf("%s: unable to wake up from power state D3\n", 211 sc->sc_dev.dv_xname); 212 pci_conf_write(pa->pa_pc, pa->pa_tag, pmreg + 4, 213 (reg & ~PCI_PMCSR_STATE_MASK) | 214 PCI_PMCSR_STATE_D0); 215 return; 216 } 217 } 218 219 /* 220 * Map the device. 221 */ 222 reg = pci_mapreg_type(pa->pa_pc, pa->pa_tag, SF_PCI_MEMBA); 223 switch (reg) { 224 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 225 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 226 memh_valid = (pci_mapreg_map(pa, SF_PCI_MEMBA, 227 reg, 0, &memt, &memh, NULL, NULL) == 0); 228 break; 229 default: 230 memh_valid = 0; 231 } 232 233 ioh_valid = (pci_mapreg_map(pa, 234 (reg == (PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT)) ? 235 SF_PCI_IOBA : SF_PCI_IOBA - 0x04, 236 PCI_MAPREG_TYPE_IO, 0, 237 &iot, &ioh, NULL, NULL) == 0); 238 239 if (memh_valid) { 240 sc->sc_st = memt; 241 sc->sc_sh = memh; 242 sc->sc_iomapped = 0; 243 } else if (ioh_valid) { 244 sc->sc_st = iot; 245 sc->sc_sh = ioh; 246 sc->sc_iomapped = 1; 247 } else { 248 printf("%s: unable to map device registers\n", 249 sc->sc_dev.dv_xname); 250 return; 251 } 252 253 sc->sc_dmat = pa->pa_dmat; 254 255 /* Make sure bus mastering is enabled. */ 256 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 257 pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 258 PCI_COMMAND_MASTER_ENABLE); 259 260 /* 261 * Map and establish our interrupt. 262 */ 263 if (pci_intr_map(pa, &ih)) { 264 printf("%s: unable to map interrupt\n", sc->sc_dev.dv_xname); 265 return; 266 } 267 intrstr = pci_intr_string(pa->pa_pc, ih); 268 psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_NET, sf_intr, sc); 269 if (psc->sc_ih == NULL) { 270 printf("%s: unable to establish interrupt", 271 sc->sc_dev.dv_xname); 272 if (intrstr != NULL) 273 printf(" at %s", intrstr); 274 printf("\n"); 275 return; 276 } 277 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 278 279 /* 280 * Finish off the attach. 281 */ 282 sf_attach(sc); 283 } 284
Indexes created Fri Sep 26 20:09:58 GMT 2025