if_tlp_ap.c revision 1.6
1 /* $NetBSD: if_tlp_ap.c,v 1.6 2003/07/15 02:59:28 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Atsushi Onoe. 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 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: if_tlp_ap.c,v 1.6 2003/07/15 02:59:28 lukem Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/device.h> 44 #include <sys/errno.h> 45 #include <sys/ioctl.h> 46 #include <sys/malloc.h> 47 #include <sys/socket.h> 48 #include <sys/syslog.h> 49 #include <sys/systm.h> 50 51 #include <net/if.h> 52 #include <net/if_dl.h> 53 #include <net/if_media.h> 54 #include <net/if_ether.h> 55 56 #include <machine/bus.h> 57 #include <machine/intr.h> 58 59 #include <mips/cache.h> 60 61 #include <dev/mii/miivar.h> 62 #include <dev/mii/mii_bitbang.h> 63 64 #include <dev/ic/tulipreg.h> 65 #include <dev/ic/tulipvar.h> 66 67 #include <newsmips/apbus/apbusvar.h> 68 69 #define TLP_AP_ROM 0x00000000 /* AProm entry address */ 70 #define TLP_AP_CFG 0x00040000 /* PCI configuration registers */ 71 #define TLP_AP_CFG_CFID 0x00 /* Identification */ 72 #define TLP_AP_CFG_CFCS 0x04 /* Command and status */ 73 #define TLP_AP_CFG_CFRV 0x08 /* Revision */ 74 #define TLP_AP_CFG_CFLT 0x0c /* Latency timer */ 75 #define TLP_AP_CFG_CBIO 0x10 /* Base I/O address */ 76 #define TLP_AP_CFG_CBMA 0x14 /* Base memory address */ 77 #define TLP_AP_CFG_CFIT 0x3c /* Interrupt */ 78 #define TLP_AP_CSR 0x00080000 /* CSR base address */ 79 #define TLP_AP_RST 0x00100000 /* Board Reset */ 80 81 82 extern void tlp_idle __P((struct tulip_softc *, u_int32_t)); 83 84 struct tulip_ap_softc { 85 struct tulip_softc sc_tulip; /* real Tulip softc */ 86 bus_space_tag_t sc_cfst; 87 bus_space_handle_t sc_cfsh; 88 }; 89 90 static int tlp_ap_match __P((struct device *, struct cfdata *, void *)); 91 static void tlp_ap_attach __P((struct device *, struct device *, void *)); 92 93 CFATTACH_DECL(tlp_ap, sizeof(struct tulip_ap_softc), 94 tlp_ap_match, tlp_ap_attach, NULL, NULL); 95 96 static void tlp_ap_preinit __P((struct tulip_softc *)); 97 static void tlp_ap_tmsw_init __P((struct tulip_softc *)); 98 static void tlp_ap_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 99 static int tlp_ap_setmedia __P((struct tulip_softc *)); 100 101 const struct tulip_mediasw tlp_ap_mediasw = { 102 tlp_ap_tmsw_init, tlp_ap_getmedia, tlp_ap_setmedia 103 }; 104 105 static int 106 tlp_ap_match(parent, cf, aux) 107 struct device *parent; 108 struct cfdata *cf; 109 void *aux; 110 { 111 struct apbus_attach_args *apa = aux; 112 113 if (strcmp(apa->apa_name, "cbasetx") != 0) 114 return 0; 115 116 return 1; 117 } 118 119 /* 120 * Install interface into kernel networking data structures 121 */ 122 static void 123 tlp_ap_attach(parent, self, aux) 124 struct device *parent, *self; 125 void *aux; 126 { 127 struct tulip_ap_softc *psc = (void *) self; 128 struct tulip_softc *sc = &psc->sc_tulip; 129 struct apbus_attach_args *apa = aux; 130 u_int8_t enaddr[ETHER_ADDR_LEN]; 131 u_int intrmask; 132 int i; 133 134 printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase); 135 136 /* PCI configuration register */ 137 psc->sc_cfst = 0; 138 psc->sc_cfsh = apa->apa_hwbase + TLP_AP_CFG; 139 sc->sc_devno = apa->apa_slotno; 140 sc->sc_rev = bus_space_read_4(psc->sc_cfst, psc->sc_cfsh, 141 TLP_AP_CFG_CFRV); 142 switch (bus_space_read_4(psc->sc_cfst, psc->sc_cfsh, TLP_AP_CFG_CFID)) { 143 case 0x00091011: 144 if (sc->sc_rev >= 0x20) 145 sc->sc_chip = TULIP_CHIP_21140A; 146 else 147 sc->sc_chip = TULIP_CHIP_21140; 148 break; 149 default: 150 printf(": unable to handle your board\n"); 151 return; 152 } 153 154 printf(": %s Ethernet, pass %d.%d\n", 155 tlp_chip_names[sc->sc_chip], 156 (sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf); 157 158 /* CSR */ 159 sc->sc_st = 0; 160 sc->sc_sh = apa->apa_hwbase + TLP_AP_CSR; 161 sc->sc_dmat = apbus_dmatag_init(apa); 162 if (sc->sc_dmat == NULL) { 163 printf("%s: cannot allocate memory\n", sc->sc_dev.dv_xname); 164 return; 165 } 166 167 /* 168 * Initialize bus specific parameters. 169 */ 170 if (mips_sdcache_line_size > 0) 171 sc->sc_cacheline = mips_sdcache_line_size / 4; 172 else if (mips_pdcache_line_size > 0) 173 sc->sc_cacheline = mips_pdcache_line_size / 4; 174 else 175 sc->sc_cacheline = 4; 176 sc->sc_maxburst = sc->sc_cacheline; /* XXX */ 177 sc->sc_regshift = 3; 178 sc->sc_flags |= TULIPF_DBO | TULIPF_BLE; /* Big Endian BUS */ 179 sc->sc_flags |= TULIPF_ENABLED; /* No Power Mgmt */ 180 181 /* 182 * Reset hardware. 183 */ 184 bus_space_write_4(0, apa->apa_hwbase + TLP_AP_RST, 0, 1); 185 delay(100); 186 187 /* 188 * Initialize PCI configuration register 189 */ 190 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 191 TLP_AP_CFG_CFCS, 0x00000005); /* Master, IO */ 192 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 193 TLP_AP_CFG_CFLT, 0x00000100); 194 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 195 TLP_AP_CFG_CBIO, MIPS_KSEG1_TO_PHYS(sc->sc_sh)); 196 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 197 TLP_AP_CFG_CFIT, 0x00000101); 198 199 /* 200 * Initialize general purpose port register. 201 */ 202 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xc0); /* read */ 203 TULIP_WRITE(sc, CSR_GPP, 0x40); /* dipsw port on */ 204 i = TULIP_READ(sc, CSR_GPP) & GPP_MD; /* dipsw contents */ 205 TULIP_WRITE(sc, CSR_GPP, 0xc0); /* dipsw port off */ 206 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xcf); /* read write */ 207 if (sc->sc_maxburst == 16) { 208 TULIP_WRITE(sc, CSR_GPP, 0x8f); /* 16word burst */ 209 TULIP_WRITE(sc, CSR_GPP, 0xcf); 210 } else { 211 TULIP_WRITE(sc, CSR_GPP, 0x8e); /* 8word burst */ 212 TULIP_WRITE(sc, CSR_GPP, 0xce); 213 } 214 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xcf); /* read write */ 215 TULIP_WRITE(sc, CSR_GPP, 0xc3); /* mask abort/DMA err */ 216 TULIP_WRITE(sc, CSR_GPP, 0xcf); /* mask abort/DMA err */ 217 218 if (tlp_read_srom(sc) == 0) { 219 printf("%s: srom read failed\n", sc->sc_dev.dv_xname); 220 free(sc->sc_dmat, M_DEVBUF); 221 return; 222 } 223 for (i = 0; i < ETHER_ADDR_LEN; i++) 224 enaddr[i] = sc->sc_srom[0x11 + i * 2]; 225 226 sc->sc_mediasw = &tlp_ap_mediasw; 227 228 /* 229 * Finish off the attach. 230 */ 231 tlp_attach(sc, enaddr); 232 233 intrmask = SLOTTOMASK(apa->apa_slotno); 234 apbus_intr_establish(0, /* interrupt level (0 or 1) */ 235 intrmask, 236 0, /* priority */ 237 tlp_intr, sc, apa->apa_name, apa->apa_ctlnum); 238 } 239 240 static void 241 tlp_ap_preinit(sc) 242 struct tulip_softc *sc; 243 { 244 245 sc->sc_opmode |= OPMODE_MBO | OPMODE_SCR | OPMODE_PCS | OPMODE_HBD | 246 OPMODE_PS; 247 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 248 } 249 250 static void 251 tlp_ap_tmsw_init(sc) 252 struct tulip_softc *sc; 253 { 254 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 255 256 sc->sc_preinit = tlp_ap_preinit; 257 258 sc->sc_mii.mii_ifp = ifp; 259 sc->sc_mii.mii_readreg = NULL; 260 sc->sc_mii.mii_writereg = NULL; 261 sc->sc_mii.mii_statchg = sc->sc_statchg; 262 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 263 tlp_mediastatus); 264 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX, 0, NULL); 265 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX|IFM_FDX, 0, 266 NULL); 267 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX); 268 } 269 270 static void 271 tlp_ap_getmedia(sc, ifmr) 272 struct tulip_softc *sc; 273 struct ifmediareq *ifmr; 274 { 275 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 276 277 ifmr->ifm_status = IFM_AVALID; 278 if (ifp->if_flags & IFF_RUNNING) 279 ifmr->ifm_status |= IFM_ACTIVE; 280 ifmr->ifm_active = sc->sc_mii.mii_media_active; 281 } 282 283 static int 284 tlp_ap_setmedia(sc) 285 struct tulip_softc *sc; 286 { 287 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 288 289 sc->sc_mii.mii_media_active = sc->sc_mii.mii_media.ifm_cur->ifm_media; 290 291 if (ifp->if_flags & IFF_UP) 292 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 293 if (sc->sc_mii.mii_media_active & IFM_FDX) 294 sc->sc_opmode |= OPMODE_FD; 295 else 296 sc->sc_opmode &= ~OPMODE_FD; 297 if (ifp->if_flags & IFF_UP) 298 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 299 return (0); 300 } 301
Indexes created Tue Oct 14 11:09:46 GMT 2025