if_tlp_ap.c revision 1.11.6.1
1 /* $NetBSD: if_tlp_ap.c,v 1.11.6.1 2011/06/06 09:06:19 jruoho 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 1.11.6.1 2011/06/06 09:06:19 jruoho 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(device_t, cfdata_t, void *); 82 static void tlp_ap_attach(device_t, device_t, void *); 83 84 CFATTACH_DECL_NEW(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(device_t parent, cfdata_t 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(device_t parent, device_t self, void *aux) 112 { 113 struct tulip_ap_softc *psc = device_private(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 sc->sc_dev = self; 121 122 aprint_normal(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase); 123 124 /* PCI configuration register */ 125 psc->sc_cfst = 0; 126 psc->sc_cfsh = apa->apa_hwbase + TLP_AP_CFG; 127 sc->sc_devno = apa->apa_slotno; 128 sc->sc_rev = bus_space_read_4(psc->sc_cfst, psc->sc_cfsh, 129 TLP_AP_CFG_CFRV); 130 switch (bus_space_read_4(psc->sc_cfst, psc->sc_cfsh, TLP_AP_CFG_CFID)) { 131 case 0x00091011: 132 if (sc->sc_rev >= 0x20) 133 sc->sc_chip = TULIP_CHIP_21140A; 134 else 135 sc->sc_chip = TULIP_CHIP_21140; 136 break; 137 default: 138 aprint_error(": unable to handle your board\n"); 139 return; 140 } 141 142 aprint_normal(": %s Ethernet, pass %d.%d\n", 143 tlp_chip_names[sc->sc_chip], 144 (sc->sc_rev >> 4) & 0xf, sc->sc_rev & 0xf); 145 146 /* CSR */ 147 sc->sc_st = 0; 148 sc->sc_sh = apa->apa_hwbase + TLP_AP_CSR; 149 sc->sc_dmat = apbus_dmatag_init(apa); 150 if (sc->sc_dmat == NULL) { 151 aprint_error_dev(self, "cannot allocate memory\n"); 152 return; 153 } 154 155 /* 156 * Initialize bus specific parameters. 157 */ 158 if (mips_cache_info.mci_sdcache_line_size > 0) 159 sc->sc_cacheline = mips_cache_info.mci_sdcache_line_size / 4; 160 else if (mips_cache_info.mci_pdcache_line_size > 0) 161 sc->sc_cacheline = mips_cache_info.mci_pdcache_line_size / 4; 162 else 163 sc->sc_cacheline = 4; 164 sc->sc_maxburst = sc->sc_cacheline; /* XXX */ 165 sc->sc_regshift = 3; 166 sc->sc_flags |= TULIPF_DBO | TULIPF_BLE; /* Big Endian BUS */ 167 sc->sc_flags |= TULIPF_ENABLED; /* No Power Mgmt */ 168 169 /* 170 * Reset hardware. 171 */ 172 bus_space_write_4(0, apa->apa_hwbase + TLP_AP_RST, 0, 1); 173 delay(100); 174 175 /* 176 * Initialize PCI configuration register 177 */ 178 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 179 TLP_AP_CFG_CFCS, 0x00000005); /* Master, IO */ 180 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 181 TLP_AP_CFG_CFLT, 0x00000100); 182 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 183 TLP_AP_CFG_CBIO, MIPS_KSEG1_TO_PHYS(sc->sc_sh)); 184 bus_space_write_4(psc->sc_cfst, psc->sc_cfsh, 185 TLP_AP_CFG_CFIT, 0x00000101); 186 187 /* 188 * Initialize general purpose port register. 189 */ 190 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xc0); /* read */ 191 TULIP_WRITE(sc, CSR_GPP, 0x40); /* dipsw port on */ 192 i = TULIP_READ(sc, CSR_GPP) & GPP_MD; /* dipsw contents */ 193 TULIP_WRITE(sc, CSR_GPP, 0xc0); /* dipsw port off */ 194 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xcf); /* read write */ 195 if (sc->sc_maxburst == 16) { 196 TULIP_WRITE(sc, CSR_GPP, 0x8f); /* 16word burst */ 197 TULIP_WRITE(sc, CSR_GPP, 0xcf); 198 } else { 199 TULIP_WRITE(sc, CSR_GPP, 0x8e); /* 8word burst */ 200 TULIP_WRITE(sc, CSR_GPP, 0xce); 201 } 202 TULIP_WRITE(sc, CSR_GPP, GPP_GPC | 0xcf); /* read write */ 203 TULIP_WRITE(sc, CSR_GPP, 0xc3); /* mask abort/DMA err */ 204 TULIP_WRITE(sc, CSR_GPP, 0xcf); /* mask abort/DMA err */ 205 206 if (tlp_read_srom(sc) == 0) { 207 aprint_error_dev(self, "srom read failed\n"); 208 free(sc->sc_dmat, M_DEVBUF); 209 return; 210 } 211 for (i = 0; i < ETHER_ADDR_LEN; i++) 212 enaddr[i] = sc->sc_srom[0x11 + i * 2]; 213 214 sc->sc_mediasw = &tlp_ap_mediasw; 215 216 /* 217 * Finish off the attach. 218 */ 219 tlp_attach(sc, enaddr); 220 221 intrmask = SLOTTOMASK(apa->apa_slotno); 222 apbus_intr_establish(0, /* interrupt level (0 or 1) */ 223 intrmask, 224 0, /* priority */ 225 tlp_intr, sc, apa->apa_name, apa->apa_ctlnum); 226 } 227 228 static void 229 tlp_ap_preinit(struct tulip_softc *sc) 230 { 231 232 sc->sc_opmode |= OPMODE_MBO | OPMODE_SCR | OPMODE_PCS | OPMODE_HBD | 233 OPMODE_PS; 234 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 235 } 236 237 static void 238 tlp_ap_tmsw_init(struct tulip_softc *sc) 239 { 240 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 241 242 sc->sc_preinit = tlp_ap_preinit; 243 244 sc->sc_mii.mii_ifp = ifp; 245 sc->sc_mii.mii_readreg = NULL; 246 sc->sc_mii.mii_writereg = NULL; 247 sc->sc_mii.mii_statchg = sc->sc_statchg; 248 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange, 249 tlp_mediastatus); 250 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX, 0, NULL); 251 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX|IFM_FDX, 0, 252 NULL); 253 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_100_TX); 254 } 255 256 static void 257 tlp_ap_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr) 258 { 259 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 260 261 ifmr->ifm_status = IFM_AVALID; 262 if (ifp->if_flags & IFF_RUNNING) 263 ifmr->ifm_status |= IFM_ACTIVE; 264 ifmr->ifm_active = sc->sc_mii.mii_media_active; 265 } 266 267 static int 268 tlp_ap_setmedia(struct tulip_softc *sc) 269 { 270 struct ifnet *ifp = &sc->sc_ethercom.ec_if; 271 272 sc->sc_mii.mii_media_active = sc->sc_mii.mii_media.ifm_cur->ifm_media; 273 274 if (ifp->if_flags & IFF_UP) 275 tlp_idle(sc, OPMODE_ST|OPMODE_SR); 276 if (sc->sc_mii.mii_media_active & IFM_FDX) 277 sc->sc_opmode |= OPMODE_FD; 278 else 279 sc->sc_opmode &= ~OPMODE_FD; 280 if (ifp->if_flags & IFF_UP) 281 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode); 282 return 0; 283 } 284
Indexes created Mon Oct 13 16:09:52 GMT 2025