if_le.c revision 1.29
1 /* $NetBSD: if_le.c,v 1.29 2003/07/15 02:43:46 lukem 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 <sys/cdefs.h> 78 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.29 2003/07/15 02:43:46 lukem Exp $"); 79 80 #include "opt_inet.h" 81 #include "bpfilter.h" 82 83 #include <sys/param.h> 84 #include <sys/systm.h> 85 #include <sys/mbuf.h> 86 #include <sys/syslog.h> 87 #include <sys/socket.h> 88 #include <sys/device.h> 89 90 #include <uvm/uvm_extern.h> 91 92 #include <net/if.h> 93 #include <net/if_ether.h> 94 #include <net/if_media.h> 95 96 #ifdef INET 97 #include <netinet/in.h> 98 #include <netinet/if_inarp.h> 99 #endif 100 101 #include <machine/autoconf.h> 102 #include <machine/cpu.h> 103 #include <machine/bus.h> 104 105 #include <mvme68k/dev/pccreg.h> 106 #include <mvme68k/dev/pccvar.h> 107 108 #include <dev/ic/lancereg.h> 109 #include <dev/ic/lancevar.h> 110 #include <dev/ic/am7990reg.h> 111 #include <dev/ic/am7990var.h> 112 113 #include <mvme68k/dev/if_lereg.h> 114 #include <mvme68k/dev/if_levar.h> 115 116 117 int le_pcc_match __P((struct device *, struct cfdata *, void *)); 118 void le_pcc_attach __P((struct device *, struct device *, void *)); 119 120 CFATTACH_DECL(le_pcc, sizeof(struct le_softc), 121 le_pcc_match, le_pcc_attach, NULL, NULL); 122 123 extern struct cfdriver le_cd; 124 125 #if defined(_KERNEL_OPT) 126 #include "opt_ddb.h" 127 #endif 128 129 #ifdef DDB 130 #define hide 131 #else 132 #define hide static 133 #endif 134 135 hide void le_pcc_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 136 hide u_int16_t le_pcc_rdcsr __P((struct lance_softc *, u_int16_t)); 137 138 hide void 139 le_pcc_wrcsr(sc, port, val) 140 struct lance_softc *sc; 141 u_int16_t port; 142 u_int16_t val; 143 { 144 struct le_softc *lsc; 145 146 lsc = (struct le_softc *) sc; 147 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); 148 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP, val); 149 } 150 151 hide u_int16_t 152 le_pcc_rdcsr(sc, port) 153 struct lance_softc *sc; 154 u_int16_t port; 155 { 156 struct le_softc *lsc; 157 158 lsc = (struct le_softc *) sc; 159 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); 160 return (bus_space_read_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP)); 161 } 162 163 /* ARGSUSED */ 164 int 165 le_pcc_match(parent, cf, aux) 166 struct device *parent; 167 struct cfdata *cf; 168 void *aux; 169 { 170 struct pcc_attach_args *pa = aux; 171 172 if (strcmp(pa->pa_name, le_cd.cd_name)) 173 return (0); 174 175 pa->pa_ipl = cf->pcccf_ipl; 176 return (1); 177 } 178 179 /* ARGSUSED */ 180 void 181 le_pcc_attach(parent, self, aux) 182 struct device *parent; 183 struct device *self; 184 void *aux; 185 { 186 struct le_softc *lsc; 187 struct lance_softc *sc; 188 struct pcc_attach_args *pa; 189 bus_dma_segment_t seg; 190 int rseg; 191 192 lsc = (struct le_softc *) self; 193 sc = &lsc->sc_am7990.lsc; 194 pa = aux; 195 196 /* Map control registers. */ 197 lsc->sc_bust = pa->pa_bust; 198 bus_space_map(pa->pa_bust, pa->pa_offset, 4, 0, &lsc->sc_bush); 199 200 /* Get contiguous DMA-able memory for the lance */ 201 if (bus_dmamem_alloc(pa->pa_dmat, ether_data_buff_size, PAGE_SIZE, 0, 202 &seg, 1, &rseg, 203 BUS_DMA_NOWAIT | BUS_DMA_ONBOARD_RAM | BUS_DMA_24BIT)) { 204 printf("%s: Failed to allocate ether buffer\n", self->dv_xname); 205 return; 206 } 207 if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, ether_data_buff_size, 208 (caddr_t *) & sc->sc_mem, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) { 209 printf("%s: Failed to map ether buffer\n", self->dv_xname); 210 bus_dmamem_free(pa->pa_dmat, &seg, rseg); 211 return; 212 } 213 sc->sc_addr = seg.ds_addr; 214 sc->sc_memsize = ether_data_buff_size; 215 sc->sc_conf3 = LE_C3_BSWP; 216 217 memcpy(sc->sc_enaddr, mvme_ea, ETHER_ADDR_LEN); 218 219 sc->sc_copytodesc = lance_copytobuf_contig; 220 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 221 sc->sc_copytobuf = lance_copytobuf_contig; 222 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 223 sc->sc_zerobuf = lance_zerobuf_contig; 224 225 sc->sc_rdcsr = le_pcc_rdcsr; 226 sc->sc_wrcsr = le_pcc_wrcsr; 227 sc->sc_hwinit = NULL; 228 229 am7990_config(&lsc->sc_am7990); 230 231 evcnt_attach_dynamic(&lsc->sc_evcnt, EVCNT_TYPE_INTR, 232 pccintr_evcnt(pa->pa_ipl), "ether", sc->sc_dev.dv_xname); 233 234 pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc, &lsc->sc_evcnt); 235 236 pcc_reg_write(sys_pcc, PCCREG_LANCE_INTR_CTRL, 237 pa->pa_ipl | PCC_IENABLE); 238 } 239
Indexes created Tue Sep 30 20:09:53 GMT 2025