1 /* $NetBSD: if_le.c,v 1.27 2002/10/02 05:28:13 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 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 /*- 40 * Copyright (c) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * Ralph Campbell and Rick Macklem. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 75 */ 76 77 #include "opt_inet.h" 78 #include "bpfilter.h" 79 80 #include <sys/param.h> 81 #include <sys/systm.h> 82 #include <sys/mbuf.h> 83 #include <sys/syslog.h> 84 #include <sys/socket.h> 85 #include <sys/device.h> 86 87 #include <net/if.h> 88 #include <net/if_ether.h> 89 #include <net/if_media.h> 90 91 #ifdef INET 92 #include <netinet/in.h> 93 #include <netinet/if_inarp.h> 94 #endif 95 96 #include <machine/autoconf.h> 97 #include <machine/cpu.h> 98 #include <machine/bus.h> 99 100 #include <mvme68k/dev/pccreg.h> 101 #include <mvme68k/dev/pccvar.h> 102 103 #include <dev/ic/lancereg.h> 104 #include <dev/ic/lancevar.h> 105 #include <dev/ic/am7990reg.h> 106 #include <dev/ic/am7990var.h> 107 108 #include <mvme68k/dev/if_lereg.h> 109 #include <mvme68k/dev/if_levar.h> 110 111 112 int le_pcc_match __P((struct device *, struct cfdata *, void *)); 113 void le_pcc_attach __P((struct device *, struct device *, void *)); 114 115 CFATTACH_DECL(le_pcc, sizeof(struct le_softc), 116 le_pcc_match, le_pcc_attach, NULL, NULL); 117 118 extern struct cfdriver le_cd; 119 120 #if defined(_KERNEL_OPT) 121 #include "opt_ddb.h" 122 #endif 123 124 #ifdef DDB 125 #define hide 126 #else 127 #define hide static 128 #endif 129 130 hide void le_pcc_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 131 hide u_int16_t le_pcc_rdcsr __P((struct lance_softc *, u_int16_t)); 132 133 hide void 134 le_pcc_wrcsr(sc, port, val) 135 struct lance_softc *sc; 136 u_int16_t port; 137 u_int16_t val; 138 { 139 struct le_softc *lsc; 140 141 lsc = (struct le_softc *) sc; 142 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); 143 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP, val); 144 } 145 146 hide u_int16_t 147 le_pcc_rdcsr(sc, port) 148 struct lance_softc *sc; 149 u_int16_t port; 150 { 151 struct le_softc *lsc; 152 153 lsc = (struct le_softc *) sc; 154 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); 155 return (bus_space_read_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP)); 156 } 157 158 /* ARGSUSED */ 159 int 160 le_pcc_match(parent, cf, aux) 161 struct device *parent; 162 struct cfdata *cf; 163 void *aux; 164 { 165 struct pcc_attach_args *pa = aux; 166 167 if (strcmp(pa->pa_name, le_cd.cd_name)) 168 return (0); 169 170 pa->pa_ipl = cf->pcccf_ipl; 171 return (1); 172 } 173 174 /* ARGSUSED */ 175 void 176 le_pcc_attach(parent, self, aux) 177 struct device *parent; 178 struct device *self; 179 void *aux; 180 { 181 struct le_softc *lsc; 182 struct lance_softc *sc; 183 struct pcc_attach_args *pa; 184 bus_dma_segment_t seg; 185 int rseg; 186 187 lsc = (struct le_softc *) self; 188 sc = &lsc->sc_am7990.lsc; 189 pa = aux; 190 191 /* Map control registers. */ 192 lsc->sc_bust = pa->pa_bust; 193 bus_space_map(pa->pa_bust, pa->pa_offset, 4, 0, &lsc->sc_bush); 194 195 /* Get contiguous DMA-able memory for the lance */ 196 if (bus_dmamem_alloc(pa->pa_dmat, ether_data_buff_size, NBPG, 0, 197 &seg, 1, &rseg, 198 BUS_DMA_NOWAIT | BUS_DMA_ONBOARD_RAM | BUS_DMA_24BIT)) { 199 printf("%s: Failed to allocate ether buffer\n", self->dv_xname); 200 return; 201 } 202 if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, ether_data_buff_size, 203 (caddr_t *) & sc->sc_mem, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) { 204 printf("%s: Failed to map ether buffer\n", self->dv_xname); 205 bus_dmamem_free(pa->pa_dmat, &seg, rseg); 206 return; 207 } 208 sc->sc_addr = seg.ds_addr; 209 sc->sc_memsize = ether_data_buff_size; 210 sc->sc_conf3 = LE_C3_BSWP; 211 212 memcpy(sc->sc_enaddr, mvme_ea, ETHER_ADDR_LEN); 213 214 sc->sc_copytodesc = lance_copytobuf_contig; 215 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 216 sc->sc_copytobuf = lance_copytobuf_contig; 217 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 218 sc->sc_zerobuf = lance_zerobuf_contig; 219 220 sc->sc_rdcsr = le_pcc_rdcsr; 221 sc->sc_wrcsr = le_pcc_wrcsr; 222 sc->sc_hwinit = NULL; 223 224 am7990_config(&lsc->sc_am7990); 225 226 evcnt_attach_dynamic(&lsc->sc_evcnt, EVCNT_TYPE_INTR, 227 pccintr_evcnt(pa->pa_ipl), "ether", sc->sc_dev.dv_xname); 228 229 pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc, &lsc->sc_evcnt); 230 231 pcc_reg_write(sys_pcc, PCCREG_LANCE_INTR_CTRL, 232 pa->pa_ipl | PCC_IENABLE); 233 } 234