1 /* $NetBSD: if_tlp_ap.c,v 1.2 2001/11/14 18:15:30 thorpej 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/param.h> 40 #include <sys/device.h> 41 #include <sys/errno.h> 42 #include <sys/ioctl.h> 43 #include <sys/malloc.h> 44 #include <sys/socket.h> 45 #include <sys/syslog.h> 46 #include <sys/systm.h> 47 48 #include <net/if.h> 49 #include <net/if_dl.h> 50 #include <net/if_media.h> 51 #include <net/if_ether.h> 52 53 #include <machine/bus.h> 54 #include <machine/intr.h> 55 56 #include <mips/cache.h> 57 58 #include <dev/mii/miivar.h> 59 #include <dev/mii/mii_bitbang.h> 60 61 #include <dev/ic/tulipreg.h> 62 #include <dev/ic/tulipvar.h> 63 64 #include <newsmips/apbus/apbusvar.h> 65 66 #define TLP_AP_ROM 0x00000000 /* AProm entry address */ 67 #define TLP_AP_CFG 0x00040000 /* PCI configuration registers */ 68 #define TLP_AP_CFG_CFID 0x00 /* Identification */ 69 #define TLP_AP_CFG_CFCS 0x04 /* Command and status */ 70 #define TLP_AP_CFG_CFRV 0x08 /* Revision */ 71 #define TLP_AP_CFG_CFLT 0x0c /* Latency timer */ 72 #define TLP_AP_CFG_CBIO 0x10 /* Base I/O address */ 73 #define TLP_AP_CFG_CBMA 0x14 /* Base memory address */ 74 #define TLP_AP_CFG_CFIT 0x3c /* Interrupt */ 75 #define TLP_AP_CSR 0x00080000 /* CSR base address */ 76 #define TLP_AP_RST 0x00100000 /* Board Reset */ 77 78 79 extern void tlp_idle __P((struct tulip_softc *, u_int32_t)); 80 81 struct tulip_ap_softc { 82 struct tulip_softc sc_tulip; /* real Tulip softc */ 83 bus_space_tag_t sc_cfst; 84 bus_space_handle_t sc_cfsh; 85 }; 86 87 static int tlp_ap_match __P((struct device *, struct cfdata *, void *)); 88 static void tlp_ap_attach __P((struct device *, struct device *, void *)); 89 90 struct cfattach tlp_ap_ca = { 91 sizeof(struct tulip_ap_softc), tlp_ap_match, tlp_ap_attach 92 }; 93 94 static void tlp_ap_preinit __P((struct tulip_softc *)); 95 static void tlp_ap_tmsw_init __P((struct tulip_softc *)); 96 static void tlp_ap_getmedia __P((struct tulip_softc *, struct ifmediareq *)); 97 static int tlp_ap_setmedia __P((struct tulip_softc *)); 98 99 const struct tulip_mediasw tlp_ap_mediasw = { 100 tlp_ap_tmsw_init, tlp_ap_getmedia, tlp_ap_setmedia 101 }; 102 103 static int 104 tlp_ap_match(parent, cf, aux) 105 struct device *parent; 106 struct cfdata *cf; 107 void *aux; 108 { 109 struct apbus_attach_args *apa = aux; 110 111 if (strcmp(apa->apa_name, "cbasetx") != 0) 112 return 0; 113 114 return 1; 115 } 116 117 /* 118 * Install interface into kernel networking data structures 119 */ 120 static void 121 tlp_ap_attach(parent, self, aux) 122 struct device *parent, *self; 123 void *aux; 124 { 125 struct tulip_ap_softc *psc = (void *) self; 126 struct tulip_softc *sc = &psc->sc_tulip; 127 struct apbus_attach_args *apa = aux; 128 u_int8_t enaddr[ETHER_ADDR_LEN]; 129 u_int intrmask; 130 int i; 131 132 printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase); 133 134 /* PCI configuration register */ 135 psc->sc_cfst = 0; 136 psc->sc_cfsh = apa->apa_hwbase + TLP_AP_CFG; 137 sc->sc_devno = apa->apa_slotno; 138 sc->sc_rev = bus_space_read_4(psc->sc_cfst, psc->sc_cfsh, 139 TLP_AP_CFG_CFRV); 140 switch (bus_space_read_4(psc->sc_cfst, psc->sc_cfsh, TLP_AP_CFG_CFID)) { 141 case 0x00091011: 142 if (sc->sc_rev >= 0x20) 143 sc->sc_chip = TULIP_CHIP_21140A; 144 else 145 sc->sc_chip = TULIP_CHIP_21140; 146 break; 147 default: 148 printf(": unable to handle your board\n"); 149 return; 150 } 151 152 printf(": %s Ethernet, pass %d.%d\n", 153 tlp_chip_names[sc->sc_chip], 154 (sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf); 155 156 /* CSR */ 157 sc->sc_st = 0; 158 sc->sc_sh = apa->apa_hwbase + TLP_AP_CSR; 159 sc->sc_dmat = apbus_dmatag_init(apa); 160 if (sc->sc_dmat == NULL) { 161 printf("%s: cannot allocate memory\n", sc->sc_dev.dv_xname); 162 return; 163 } 164 165 /* 166 * Initialize bus specific parameters. 167 */ 168 if (mips_sdcache_line_size > 0) 169 sc->sc_cacheline = mips_sdcache_line_size / 4; 170 else if (mips_pdcache_line_size > 0) 171 sc->sc_cacheline = mips_pdcache_line_size / 4; 172 else 173 sc->sc_cacheline = 4; 174 sc->sc_maxburst = sc->sc_cacheline; /* XXX */ 175 sc->sc_regshift = 3; 176 sc->sc_flags |= TULIPF_DBO | TULIPF_BLE; /* Big Endian BUS */ 177 sc->sc_flags |= TULIPF_ENABLED; /* No Power Mgmt */ 178 179 /* 180 * Reset hardware. 181 */ 182 bus_space_write_4(0, apa->apa_hwbase + TLP_AP_RST, 0, 1); 183 delay(100); 184 185 /* 186 * Initialize PCI configuration register 187 */ 188 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 189 TLP_AP_CFG_CFCS, 0x00000005); /* Master, IO */ 190 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 191 TLP_AP_CFG_CFLT, 0x00000100); 192 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 193 TLP_AP_CFG_CBIO, MIPS_KSEG1_TO_PHYS(sc->sc_sh)); 194 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 195 TLP_AP_CFG_CFIT, 0x00000101); 196 197 /* 198 * Initialize general purpose port register. 199 */ 200 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xc0); /* read */ 201 TULIP_WRITE(sc, CSR_GPP, 0x40); /* dipsw port on */ 202 i = TULIP_READ(sc, CSR_GPP) & GPP_MD; /* dipsw contents */ 203 TULIP_WRITE(sc, CSR_GPP, 0xc0); /* dipsw port off */ 204 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xcf); /* read write */ 205 if (sc->sc_maxburst == 16) { 206 TULIP_WRITE(sc, CSR_GPP, 0x8f); /* 16word burst */ 207 TULIP_WRITE(sc, CSR_GPP, 0xcf); 208 } else { 209 TULIP_WRITE(sc, CSR_GPP, 0x8e); /* 8word burst */ 210 TULIP_WRITE(sc, CSR_GPP, 0xce); 211 } 212 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xcf); /* read write */ 213 TULIP_WRITE(sc, CSR_GPP, 0xc3); /* mask abort/dma err */ 214 TULIP_WRITE(sc, CSR_GPP, 0xcf); /* mask abort/dma err */ 215 216 if (tlp_read_srom(sc) == 0) { 217 printf("%s: srom read failed\n", sc->sc_dev.dv_xname); 218 free(sc->sc_dmat, M_DEVBUF); 219 return; 220 } 221 for (i = 0; i < ETHER_ADDR_LEN; i++) 222 enaddr[i] = sc->sc_srom[0x11 + i * 2]; 223 224 sc->sc_mediasw = &tlp_ap_mediasw; 225 226 /* 227 * Finish off the attach. 228 */ 229 tlp_attach(sc, enaddr); 230 231 intrmask = SLOTTOMASK(apa->apa_slotno); 232 apbus_intr_establish(0, /* interrupt level (0 or 1) */ 233 intrmask, 234 0, /* priority */ 235 tlp_intr, sc, apa->apa_name, apa->apa_ctlnum); 236 } 237 238 static void 239 tlp_ap_preinit(sc) 240 struct tulip_softc *sc; 241 { 242 243 sc->sc_opmode |= OPMODE_MBO | OPMODE_SCR | OPMODE_PCS | OPMODE_HBD | 244 OPMODE_PS; 245 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 246 } 247 248 static void 249 tlp_ap_tmsw_init(sc) 250 struct tulip_softc *sc; 251 { 252 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 253 254 sc->sc_preinit = tlp_ap_preinit; 255 256 sc->sc_mii.mii_ifp = ifp; 257 sc->sc_mii.mii_readreg = NULL; 258 sc->sc_mii.mii_writereg = NULL; 259 sc->sc_mii.mii_statchg = sc->sc_statchg; 260 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 261 tlp_mediastatus); 262 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX, 0, NULL); 263 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX|IFM_FDX, 0, 264 NULL); 265 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX); 266 } 267 268 static void 269 tlp_ap_getmedia(sc, ifmr) 270 struct tulip_softc *sc; 271 struct ifmediareq *ifmr; 272 { 273 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 274 275 ifmr->ifm_status = IFM_AVALID; 276 if (ifp->if_flags & IFF_RUNNING) 277 ifmr->ifm_status |= IFM_ACTIVE; 278 ifmr->ifm_active = sc->sc_mii.mii_media_active; 279 } 280 281 static int 282 tlp_ap_setmedia(sc) 283 struct tulip_softc *sc; 284 { 285 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 286 287 sc->sc_mii.mii_media_active = sc->sc_mii.mii_media.ifm_cur->ifm_media; 288 289 if (ifp->if_flags & IFF_UP) 290 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 291 if (sc->sc_mii.mii_media_active & IFM_FDX) 292 sc->sc_opmode |= OPMODE_FD; 293 else 294 sc->sc_opmode &= ~OPMODE_FD; 295 if (ifp->if_flags & IFF_UP) 296 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 297 return (0); 298 } 299