if_tlp_ap.c revision 1.9.78.1
1 /* $NetBSD: if_tlp_ap.c,v 1.9.78.1 2008/05/16 02:22:57 yamt 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: if_tlp_ap.c,v 1.9.78.1 2008/05/16 02:22:57 yamt Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/device.h> 37 #include <sys/errno.h> 38 #include <sys/ioctl.h> 39 #include <sys/malloc.h> 40 #include <sys/socket.h> 41 #include <sys/syslog.h> 42 #include <sys/systm.h> 43 44 #include <net/if.h> 45 #include <net/if_dl.h> 46 #include <net/if_media.h> 47 #include <net/if_ether.h> 48 49 #include <machine/bus.h> 50 #include <machine/intr.h> 51 52 #include <mips/cache.h> 53 54 #include <dev/mii/miivar.h> 55 #include <dev/mii/mii_bitbang.h> 56 57 #include <dev/ic/tulipreg.h> 58 #include <dev/ic/tulipvar.h> 59 60 #include <newsmips/apbus/apbusvar.h> 61 62 #define TLP_AP_ROM 0x00000000 /* AProm entry address */ 63 #define TLP_AP_CFG 0x00040000 /* PCI configuration registers */ 64 #define TLP_AP_CFG_CFID 0x00 /* Identification */ 65 #define TLP_AP_CFG_CFCS 0x04 /* Command and status */ 66 #define TLP_AP_CFG_CFRV 0x08 /* Revision */ 67 #define TLP_AP_CFG_CFLT 0x0c /* Latency timer */ 68 #define TLP_AP_CFG_CBIO 0x10 /* Base I/O address */ 69 #define TLP_AP_CFG_CBMA 0x14 /* Base memory address */ 70 #define TLP_AP_CFG_CFIT 0x3c /* Interrupt */ 71 #define TLP_AP_CSR 0x00080000 /* CSR base address */ 72 #define TLP_AP_RST 0x00100000 /* Board Reset */ 73 74 75 struct tulip_ap_softc { 76 struct tulip_softc sc_tulip; /* real Tulip softc */ 77 bus_space_tag_t sc_cfst; 78 bus_space_handle_t sc_cfsh; 79 }; 80 81 static int tlp_ap_match(struct device *, struct cfdata *, void *); 82 static void tlp_ap_attach(struct device *, struct device *, void *); 83 84 CFATTACH_DECL(tlp_ap, sizeof(struct tulip_ap_softc), 85 tlp_ap_match, tlp_ap_attach, NULL, NULL); 86 87 static void tlp_ap_preinit(struct tulip_softc *); 88 static void tlp_ap_tmsw_init(struct tulip_softc *); 89 static void tlp_ap_getmedia(struct tulip_softc *, struct ifmediareq *); 90 static int tlp_ap_setmedia(struct tulip_softc *); 91 92 const struct tulip_mediasw tlp_ap_mediasw = { 93 tlp_ap_tmsw_init, tlp_ap_getmedia, tlp_ap_setmedia 94 }; 95 96 static int 97 tlp_ap_match(struct device *parent, struct cfdata *cf, void *aux) 98 { 99 struct apbus_attach_args *apa = aux; 100 101 if (strcmp(apa->apa_name, "cbasetx") != 0) 102 return 0; 103 104 return 1; 105 } 106 107 /* 108 * Install interface into kernel networking data structures 109 */ 110 static void 111 tlp_ap_attach(struct device *parent, struct device *self, void *aux) 112 { 113 struct tulip_ap_softc *psc = (void *) self; 114 struct tulip_softc *sc = &psc->sc_tulip; 115 struct apbus_attach_args *apa = aux; 116 uint8_t enaddr[ETHER_ADDR_LEN]; 117 u_int intrmask; 118 int i; 119 120 printf(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase); 121 122 /* PCI configuration register */ 123 psc->sc_cfst = 0; 124 psc->sc_cfsh = apa->apa_hwbase + TLP_AP_CFG; 125 sc->sc_devno = apa->apa_slotno; 126 sc->sc_rev = bus_space_read_4(psc->sc_cfst, psc->sc_cfsh, 127 TLP_AP_CFG_CFRV); 128 switch (bus_space_read_4(psc->sc_cfst, psc->sc_cfsh, TLP_AP_CFG_CFID)) { 129 case 0x00091011: 130 if (sc->sc_rev >= 0x20) 131 sc->sc_chip = TULIP_CHIP_21140A; 132 else 133 sc->sc_chip = TULIP_CHIP_21140; 134 break; 135 default: 136 printf(": unable to handle your board\n"); 137 return; 138 } 139 140 printf(": %s Ethernet, pass %d.%d\n", 141 tlp_chip_names[sc->sc_chip], 142 (sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf); 143 144 /* CSR */ 145 sc->sc_st = 0; 146 sc->sc_sh = apa->apa_hwbase + TLP_AP_CSR; 147 sc->sc_dmat = apbus_dmatag_init(apa); 148 if (sc->sc_dmat == NULL) { 149 printf("%s: cannot allocate memory\n", sc->sc_dev.dv_xname); 150 return; 151 } 152 153 /* 154 * Initialize bus specific parameters. 155 */ 156 if (mips_sdcache_line_size > 0) 157 sc->sc_cacheline = mips_sdcache_line_size / 4; 158 else if (mips_pdcache_line_size > 0) 159 sc->sc_cacheline = mips_pdcache_line_size / 4; 160 else 161 sc->sc_cacheline = 4; 162 sc->sc_maxburst = sc->sc_cacheline; /* XXX */ 163 sc->sc_regshift = 3; 164 sc->sc_flags |= TULIPF_DBO | TULIPF_BLE; /* Big Endian BUS */ 165 sc->sc_flags |= TULIPF_ENABLED; /* No Power Mgmt */ 166 167 /* 168 * Reset hardware. 169 */ 170 bus_space_write_4(0, apa->apa_hwbase + TLP_AP_RST, 0, 1); 171 delay(100); 172 173 /* 174 * Initialize PCI configuration register 175 */ 176 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 177 TLP_AP_CFG_CFCS, 0x00000005); /* Master, IO */ 178 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 179 TLP_AP_CFG_CFLT, 0x00000100); 180 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 181 TLP_AP_CFG_CBIO, MIPS_KSEG1_TO_PHYS(sc->sc_sh)); 182 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 183 TLP_AP_CFG_CFIT, 0x00000101); 184 185 /* 186 * Initialize general purpose port register. 187 */ 188 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xc0); /* read */ 189 TULIP_WRITE(sc, CSR_GPP, 0x40); /* dipsw port on */ 190 i = TULIP_READ(sc, CSR_GPP) & GPP_MD; /* dipsw contents */ 191 TULIP_WRITE(sc, CSR_GPP, 0xc0); /* dipsw port off */ 192 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xcf); /* read write */ 193 if (sc->sc_maxburst == 16) { 194 TULIP_WRITE(sc, CSR_GPP, 0x8f); /* 16word burst */ 195 TULIP_WRITE(sc, CSR_GPP, 0xcf); 196 } else { 197 TULIP_WRITE(sc, CSR_GPP, 0x8e); /* 8word burst */ 198 TULIP_WRITE(sc, CSR_GPP, 0xce); 199 } 200 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xcf); /* read write */ 201 TULIP_WRITE(sc, CSR_GPP, 0xc3); /* mask abort/DMA err */ 202 TULIP_WRITE(sc, CSR_GPP, 0xcf); /* mask abort/DMA err */ 203 204 if (tlp_read_srom(sc) == 0) { 205 printf("%s: srom read failed\n", sc->sc_dev.dv_xname); 206 free(sc->sc_dmat, M_DEVBUF); 207 return; 208 } 209 for (i = 0; i < ETHER_ADDR_LEN; i++) 210 enaddr[i] = sc->sc_srom[0x11 + i * 2]; 211 212 sc->sc_mediasw = &tlp_ap_mediasw; 213 214 /* 215 * Finish off the attach. 216 */ 217 tlp_attach(sc, enaddr); 218 219 intrmask = SLOTTOMASK(apa->apa_slotno); 220 apbus_intr_establish(0, /* interrupt level (0 or 1) */ 221 intrmask, 222 0, /* priority */ 223 tlp_intr, sc, apa->apa_name, apa->apa_ctlnum); 224 } 225 226 static void 227 tlp_ap_preinit(struct tulip_softc *sc) 228 { 229 230 sc->sc_opmode |= OPMODE_MBO | OPMODE_SCR | OPMODE_PCS | OPMODE_HBD | 231 OPMODE_PS; 232 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 233 } 234 235 static void 236 tlp_ap_tmsw_init(struct tulip_softc *sc) 237 { 238 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 239 240 sc->sc_preinit = tlp_ap_preinit; 241 242 sc->sc_mii.mii_ifp = ifp; 243 sc->sc_mii.mii_readreg = NULL; 244 sc->sc_mii.mii_writereg = NULL; 245 sc->sc_mii.mii_statchg = sc->sc_statchg; 246 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 247 tlp_mediastatus); 248 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX, 0, NULL); 249 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX|IFM_FDX, 0, 250 NULL); 251 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX); 252 } 253 254 static void 255 tlp_ap_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 256 { 257 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 258 259 ifmr->ifm_status = IFM_AVALID; 260 if (ifp->if_flags & IFF_RUNNING) 261 ifmr->ifm_status |= IFM_ACTIVE; 262 ifmr->ifm_active = sc->sc_mii.mii_media_active; 263 } 264 265 static int 266 tlp_ap_setmedia(struct tulip_softc *sc) 267 { 268 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 269 270 sc->sc_mii.mii_media_active = sc->sc_mii.mii_media.ifm_cur->ifm_media; 271 272 if (ifp->if_flags & IFF_UP) 273 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 274 if (sc->sc_mii.mii_media_active & IFM_FDX) 275 sc->sc_opmode |= OPMODE_FD; 276 else 277 sc->sc_opmode &= ~OPMODE_FD; 278 if (ifp->if_flags & IFF_UP) 279 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 280 return 0; 281 } 282
Indexes created Tue Oct 14 15:09:51 GMT 2025