if_re_pci.c revision 1.35.8.1
1 /* $NetBSD: if_re_pci.c,v 1.35.8.1 2009/05/13 17:20:26 jym 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 1.35.8.1 2009/05/13 17:20:26 jym Exp $"); 50 51 #include "bpfilter.h" 52 #include "vlan.h" 53 54 #include <sys/types.h> 55 56 #include <sys/param.h> 57 #include <sys/endian.h> 58 #include <sys/systm.h> 59 #include <sys/sockio.h> 60 #include <sys/mbuf.h> 61 #include <sys/malloc.h> 62 #include <sys/kernel.h> 63 #include <sys/socket.h> 64 #include <sys/device.h> 65 66 #include <net/if.h> 67 #include <net/if_arp.h> 68 #include <net/if_dl.h> 69 #include <net/if_ether.h> 70 #include <net/if_media.h> 71 #include <net/if_vlanvar.h> 72 73 #include <sys/bus.h> 74 75 #include <dev/mii/mii.h> 76 #include <dev/mii/miivar.h> 77 78 #include <dev/pci/pcireg.h> 79 #include <dev/pci/pcivar.h> 80 #include <dev/pci/pcidevs.h> 81 82 #include <dev/ic/rtl81x9reg.h> 83 #include <dev/ic/rtl81x9var.h> 84 #include <dev/ic/rtl8169var.h> 85 86 struct re_pci_softc { 87 struct rtk_softc sc_rtk; 88 89 void *sc_ih; 90 pci_chipset_tag_t sc_pc; 91 pcitag_t sc_pcitag; 92 }; 93 94 static int re_pci_match(device_t, cfdata_t, void *); 95 static void re_pci_attach(device_t, device_t, void *); 96 97 CFATTACH_DECL_NEW(re_pci, sizeof(struct re_pci_softc), 98 re_pci_match, re_pci_attach, NULL, NULL); 99 100 /* 101 * Various supported device vendors/types and their names. 102 */ 103 static const struct rtk_type re_devs[] = { 104 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8139, 105 RTK_8139CPLUS, 106 "RealTek 8139C+ 10/100BaseTX" }, 107 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8101E, 108 RTK_8101E, 109 "RealTek 8100E/8101E/8102E/8102EL PCIe 10/100BaseTX" }, 110 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8168, 111 RTK_8168, 112 "RealTek 8168/8111 PCIe Gigabit Ethernet" }, 113 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8169, 114 RTK_8169, 115 "RealTek 8169/8110 Gigabit Ethernet" }, 116 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8169SC, 117 RTK_8169, 118 "RealTek 8169SC/8110SC Single-chip Gigabit Ethernet" }, 119 { PCI_VENDOR_COREGA, PCI_PRODUCT_COREGA_LAPCIGT, 120 RTK_8169, 121 "Corega CG-LAPCIGT Gigabit Ethernet" }, 122 { PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DGE528T, 123 RTK_8169, 124 "D-Link DGE-528T Gigabit Ethernet" }, 125 { PCI_VENDOR_USR2, PCI_PRODUCT_USR2_USR997902, 126 RTK_8169, 127 "US Robotics (3Com) USR997902 Gigabit Ethernet" }, 128 { PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_EG1032, 129 RTK_8169, 130 "Linksys EG1032 rev. 3 Gigabit Ethernet" }, 131 { 0, 0, 0, NULL } 132 }; 133 134 #define RE_LINKSYS_EG1032_SUBID 0x00241737 135 136 /* 137 * Probe for a RealTek 8139C+/8169/8110 chip. Check the PCI vendor and device 138 * IDs against our list and return a device name if we find a match. 139 */ 140 static int 141 re_pci_match(device_t parent, cfdata_t cf, void *aux) 142 { 143 const struct rtk_type *t; 144 struct pci_attach_args *pa = aux; 145 pcireg_t subid; 146 147 subid = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 148 149 /* special-case Linksys EG1032, since rev 2 uses sk(4) */ 150 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_LINKSYS && 151 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_LINKSYS_EG1032) { 152 if (subid != RE_LINKSYS_EG1032_SUBID) 153 return 0; 154 } 155 /* Don't match 8139 other than C-PLUS */ 156 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_REALTEK && 157 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_REALTEK_RT8139) { 158 if (PCI_REVISION(pa->pa_class) != 0x20) 159 return 0; 160 } 161 162 t = re_devs; 163 164 while (t->rtk_name != NULL) { 165 if ((PCI_VENDOR(pa->pa_id) == t->rtk_vid) && 166 (PCI_PRODUCT(pa->pa_id) == t->rtk_did)) { 167 return 2; /* defect rtk(4) */ 168 } 169 t++; 170 } 171 172 return 0; 173 } 174 175 static void 176 re_pci_attach(device_t parent, device_t self, void *aux) 177 { 178 struct re_pci_softc *psc = device_private(self); 179 struct rtk_softc *sc = &psc->sc_rtk; 180 struct pci_attach_args *pa = aux; 181 pci_chipset_tag_t pc = pa->pa_pc; 182 pci_intr_handle_t ih; 183 const char *intrstr = NULL; 184 const struct rtk_type *t; 185 uint32_t hwrev; 186 int error = 0; 187 pcireg_t command, memtype; 188 bool ioh_valid, memh_valid; 189 bus_space_tag_t iot, memt; 190 bus_space_handle_t ioh, memh; 191 bus_size_t iosize, memsize, bsize; 192 193 sc->sc_dev = self; 194 195 /* 196 * Map control/status registers. 197 */ 198 command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 199 command |= PCI_COMMAND_MASTER_ENABLE; 200 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command); 201 202 ioh_valid = (pci_mapreg_map(pa, RTK_PCI_LOIO, PCI_MAPREG_TYPE_IO, 0, 203 &iot, &ioh, NULL, &iosize) == 0); 204 memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RTK_PCI_LOMEM); 205 switch (memtype) { 206 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT: 207 case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT: 208 memh_valid = (pci_mapreg_map(pa, RTK_PCI_LOMEM, 209 memtype, 0, &memt, &memh, NULL, &memsize) == 0); 210 break; 211 default: 212 memh_valid = 0; 213 break; 214 } 215 216 if (ioh_valid) { 217 sc->rtk_btag = iot; 218 sc->rtk_bhandle = ioh; 219 bsize = iosize; 220 } else if (memh_valid) { 221 sc->rtk_btag = memt; 222 sc->rtk_bhandle = memh; 223 bsize = memsize; 224 } else { 225 aprint_error(": can't map registers\n"); 226 return; 227 } 228 229 t = re_devs; 230 hwrev = CSR_READ_4(sc, RTK_TXCFG) & RTK_TXCFG_HWREV; 231 232 while (t->rtk_name != NULL) { 233 if ((PCI_VENDOR(pa->pa_id) == t->rtk_vid) && 234 (PCI_PRODUCT(pa->pa_id) == t->rtk_did)) { 235 break; 236 } 237 t++; 238 } 239 240 aprint_normal(": %s (rev. 0x%02x)\n", 241 t->rtk_name, PCI_REVISION(pa->pa_class)); 242 243 if (t->rtk_basetype == RTK_8139CPLUS) 244 sc->sc_quirk |= RTKQ_8139CPLUS; 245 246 if (t->rtk_basetype == RTK_8168 || 247 t->rtk_basetype == RTK_8101E) 248 sc->sc_quirk |= RTKQ_PCIE; 249 250 sc->sc_dmat = pa->pa_dmat; 251 252 /* 253 * No power/enable/disable machinery for PCI attach; 254 * mark the card enabled now. 255 */ 256 sc->sc_flags |= RTK_ENABLED; 257 258 /* Hook interrupt last to avoid having to lock softc */ 259 /* Allocate interrupt */ 260 if (pci_intr_map(pa, &ih)) { 261 aprint_error_dev(self, "couldn't map interrupt\n"); 262 return; 263 } 264 intrstr = pci_intr_string(pc, ih); 265 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, re_intr, sc); 266 if (psc->sc_ih == NULL) { 267 aprint_error_dev(self, "couldn't establish interrupt"); 268 if (intrstr != NULL) 269 aprint_error(" at %s", intrstr); 270 aprint_error("\n"); 271 return; 272 } 273 aprint_normal_dev(self, "interrupting at %s\n", intrstr); 274 275 re_attach(sc); 276 277 /* 278 * Perform hardware diagnostic on the original RTL8169. 279 * Some 32-bit cards were incorrectly wired and would 280 * malfunction if plugged into a 64-bit slot. 281 */ 282 if (hwrev == RTK_HWREV_8169) { 283 error = re_diag(sc); 284 if (error) { 285 aprint_error_dev(self, 286 "attach aborted due to hardware diag failure\n"); 287 288 re_detach(sc); 289 290 if (psc->sc_ih != NULL) { 291 pci_intr_disestablish(pc, psc->sc_ih); 292 psc->sc_ih = NULL; 293 } 294 295 if (ioh_valid) 296 bus_space_unmap(iot, ioh, iosize); 297 if (memh_valid) 298 bus_space_unmap(memt, memh, memsize); 299 } 300 } 301 302 if (!pmf_device_register(self, NULL, NULL)) 303 aprint_error_dev(self, "couldn't establish power handler\n"); 304 else 305 pmf_class_network_register(self, &sc->ethercom.ec_if); 306 } 307
Indexes created Tue Oct 28 12:10:06 GMT 2025