if_re_pci.c revision 1.37
1 /* $NetBSD: if_re_pci.c,v 1.37 2009/08/29 14:18:34 tsutsui Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1998-2003 5 * Bill Paul <wpaul (at) windriver.com>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* $FreeBSD: /repoman/r/ncvs/src/sys/dev/re/if_re.c,v 1.20 2004/04/11 20:34:08 ru Exp $ */ 36 37 /* 38 * RealTek 8139C+/8169/8169S/8110S PCI NIC driver 39 * 40 * Written by Bill Paul <wpaul (at) windriver.com> 41 * Senior Networking Software Engineer 42 * Wind River Systems 43 * 44 * NetBSD bus-specific frontends for written by 45 * Jonathan Stone <jonathan (at) netbsd.org> 46 */ 47 48 #include <sys/cdefs.h> 49 __KERNEL_RCSID(0, "$NetBSD: if_re_pci.c,v 1.37 2009/08/29 14:18:34 tsutsui Exp $"); 50 51 #include <sys/types.h> 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/device.h> 56 57 #include <net/if.h> 58 #include <net/if_ether.h> 59 #include <net/if_media.h> 60 61 #include <sys/bus.h> 62 63 #include <dev/mii/mii.h> 64 #include <dev/mii/miivar.h> 65 66 #include <dev/pci/pcireg.h> 67 #include <dev/pci/pcivar.h> 68 #include <dev/pci/pcidevs.h> 69 70 #include <dev/ic/rtl81x9reg.h> 71 #include <dev/ic/rtl81x9var.h> 72 #include <dev/ic/rtl8169var.h> 73 74 struct re_pci_softc { 75 struct rtk_softc sc_rtk; 76 77 void *sc_ih; 78 pci_chipset_tag_t sc_pc; 79 pcitag_t sc_pcitag; 80 }; 81 82 static int re_pci_match(device_t, cfdata_t, void *); 83 static void re_pci_attach(device_t, device_t, void *); 84 85 CFATTACH_DECL_NEW(re_pci, sizeof(struct re_pci_softc), 86 re_pci_match, re_pci_attach, NULL, NULL); 87 88 /* 89 * Various supported device vendors/types and their names. 90 */ 91 static const struct rtk_type re_devs[] = { 92 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139, 93 RTK_8139CPLUS, 94 "RealTek 8139C+ 10/100BaseTX" }, 95 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8101E, 96 RTK_8101E, 97 "RealTek 8100E/8101E/8102E/8102EL PCIe 10/100BaseTX" }, 98 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8168, 99 RTK_8168, 100 "RealTek 8168/8111 PCIe Gigabit Ethernet" }, 101 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8169, 102 RTK_8169, 103 "RealTek 8169/8110 Gigabit Ethernet" }, 104 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8169SC, 105 RTK_8169, 106 "RealTek 8169SC/8110SC Single-chip Gigabit Ethernet" }, 107 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_LAPCIGT, 108 RTK_8169, 109 "Corega CG-LAPCIGT Gigabit Ethernet" }, 110 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DGE528T, 111 RTK_8169, 112 "D-Link DGE-528T Gigabit Ethernet" }, 113 { PCI_VENDOR_USR2, PCI_PRODUCT_USR2_USR997902, 114 RTK_8169, 115 "US Robotics (3Com) USR997902 Gigabit Ethernet" }, 116 { PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_EG1032, 117 RTK_8169, 118 "Linksys EG1032 rev. 3 Gigabit Ethernet" }, 119 { 0, 0, 0, NULL } 120 }; 121 122 #define RE_LINKSYS_EG1032_SUBID 0x00241737 123 124 /* 125 * Probe for a RealTek 8139C+/8169/8110 chip. Check the PCI vendor and device 126 * IDs against our list and return a device name if we find a match. 127 */ 128 static int 129 re_pci_match(device_t parent, cfdata_t cf, void *aux) 130 { 131 const struct rtk_type *t; 132 struct pci_attach_args *pa = aux; 133 pcireg_t subid; 134 135 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 136 137 /* special-case Linksys EG1032, since rev 2 uses sk(4) */ 138 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_LINKSYS && 139 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_LINKSYS_EG1032) { 140 if (subid != RE_LINKSYS_EG1032_SUBID) 141 return 0; 142 } 143 /* Don't match 8139 other than C-PLUS */ 144 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK && 145 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139) { 146 if (PCI_REVISION(pa->pa_class) != 0x20) 147 return 0; 148 } 149 150 t = re_devs; 151 152 while (t->rtk_name != NULL) { 153 if ((PCI_VENDOR(pa->pa_id) == t->rtk_vid) && 154 (PCI_PRODUCT(pa->pa_id) == t->rtk_did)) { 155 return 2; /* defect rtk(4) */ 156 } 157 t++; 158 } 159 160 return 0; 161 } 162 163 static void 164 re_pci_attach(device_t parent, device_t self, void *aux) 165 { 166 struct re_pci_softc *psc = device_private(self); 167 struct rtk_softc *sc = &psc->sc_rtk; 168 struct pci_attach_args *pa = aux; 169 pci_chipset_tag_t pc = pa->pa_pc; 170 pci_intr_handle_t ih; 171 const char *intrstr = NULL; 172 const struct rtk_type *t; 173 uint32_t hwrev; 174 int error = 0; 175 pcireg_t command, memtype; 176 bool ioh_valid, memh_valid; 177 bus_space_tag_t iot, memt; 178 bus_space_handle_t ioh, memh; 179 bus_size_t iosize, memsize, bsize; 180 181 sc->sc_dev = self; 182 183 /* 184 * Map control/status registers. 185 */ 186 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 187 command |= PCI_COMMAND_MASTER_ENABLE; 188 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 189 190 ioh_valid = (pci_mapreg_map(pa, RTK_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, 191 &iot, &ioh, NULL, &iosize) == 0); 192 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RTK_PCI_LOMEM); 193 switch (memtype) { 194 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 195 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 196 memh_valid = (pci_mapreg_map(pa, RTK_PCI_LOMEM, 197 memtype, 0, &memt, &memh, NULL, &memsize) == 0); 198 break; 199 default: 200 memh_valid = 0; 201 break; 202 } 203 204 if (ioh_valid) { 205 sc->rtk_btag = iot; 206 sc->rtk_bhandle = ioh; 207 bsize = iosize; 208 } else if (memh_valid) { 209 sc->rtk_btag = memt; 210 sc->rtk_bhandle = memh; 211 bsize = memsize; 212 } else { 213 aprint_error(": can't map registers\n"); 214 return; 215 } 216 217 t = re_devs; 218 hwrev = CSR_READ_4(sc, RTK_TXCFG) & RTK_TXCFG_HWREV; 219 220 while (t->rtk_name != NULL) { 221 if ((PCI_VENDOR(pa->pa_id) == t->rtk_vid) && 222 (PCI_PRODUCT(pa->pa_id) == t->rtk_did)) { 223 break; 224 } 225 t++; 226 } 227 228 aprint_normal(": %s (rev. 0x%02x)\n", 229 t->rtk_name, PCI_REVISION(pa->pa_class)); 230 231 if (t->rtk_basetype == RTK_8139CPLUS) 232 sc->sc_quirk |= RTKQ_8139CPLUS; 233 234 if (t->rtk_basetype == RTK_8168 || 235 t->rtk_basetype == RTK_8101E) 236 sc->sc_quirk |= RTKQ_PCIE; 237 238 sc->sc_dmat = pa->pa_dmat; 239 240 /* 241 * No power/enable/disable machinery for PCI attach; 242 * mark the card enabled now. 243 */ 244 sc->sc_flags |= RTK_ENABLED; 245 246 /* Hook interrupt last to avoid having to lock softc */ 247 /* Allocate interrupt */ 248 if (pci_intr_map(pa, &ih)) { 249 aprint_error_dev(self, "couldn't map interrupt\n"); 250 return; 251 } 252 intrstr = pci_intr_string(pc, ih); 253 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, re_intr, sc); 254 if (psc->sc_ih == NULL) { 255 aprint_error_dev(self, "couldn't establish interrupt"); 256 if (intrstr != NULL) 257 aprint_error(" at %s", intrstr); 258 aprint_error("\n"); 259 return; 260 } 261 aprint_normal_dev(self, "interrupting at %s\n", intrstr); 262 263 re_attach(sc); 264 265 /* 266 * Perform hardware diagnostic on the original RTL8169. 267 * Some 32-bit cards were incorrectly wired and would 268 * malfunction if plugged into a 64-bit slot. 269 */ 270 if (hwrev == RTK_HWREV_8169) { 271 error = re_diag(sc); 272 if (error) { 273 aprint_error_dev(self, 274 "attach aborted due to hardware diag failure\n"); 275 276 re_detach(sc); 277 278 if (psc->sc_ih != NULL) { 279 pci_intr_disestablish(pc, psc->sc_ih); 280 psc->sc_ih = NULL; 281 } 282 283 if (ioh_valid) 284 bus_space_unmap(iot, ioh, iosize); 285 if (memh_valid) 286 bus_space_unmap(memt, memh, memsize); 287 } 288 } 289 290 if (!pmf_device_register(self, NULL, NULL)) 291 aprint_error_dev(self, "couldn't establish power handler\n"); 292 else 293 pmf_class_network_register(self, &sc->ethercom.ec_if); 294 } 295
Indexes created Tue Oct 28 12:10:06 GMT 2025