if_le.c revision 1.34
1 /* $NetBSD: if_le.c,v 1.34 2008/04/04 12:25:06 tsutsui 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. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 71 */ 72 73 #include <sys/cdefs.h> 74 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.34 2008/04/04 12:25:06 tsutsui Exp $"); 75 76 #include "opt_inet.h" 77 #include "bpfilter.h" 78 79 #include <sys/param.h> 80 #include <sys/systm.h> 81 #include <sys/mbuf.h> 82 #include <sys/syslog.h> 83 #include <sys/socket.h> 84 #include <sys/device.h> 85 86 #include <uvm/uvm_extern.h> 87 88 #include <net/if.h> 89 #include <net/if_ether.h> 90 #include <net/if_media.h> 91 92 #ifdef INET 93 #include <netinet/in.h> 94 #include <netinet/if_inarp.h> 95 #endif 96 97 #include <machine/autoconf.h> 98 #include <machine/cpu.h> 99 #include <machine/bus.h> 100 101 #include <mvme68k/dev/pccreg.h> 102 #include <mvme68k/dev/pccvar.h> 103 104 #include <dev/ic/lancereg.h> 105 #include <dev/ic/lancevar.h> 106 #include <dev/ic/am7990reg.h> 107 #include <dev/ic/am7990var.h> 108 109 #include <mvme68k/dev/if_lereg.h> 110 #include <mvme68k/dev/if_levar.h> 111 112 #include "ioconf.h" 113 114 int le_pcc_match(device_t, cfdata_t, void *); 115 void le_pcc_attach(device_t, device_t, void *); 116 117 CFATTACH_DECL_NEW(le_pcc, sizeof(struct le_softc), 118 le_pcc_match, le_pcc_attach, NULL, NULL); 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(struct lance_softc *, uint16_t, uint16_t); 131 hide uint16_t le_pcc_rdcsr(struct lance_softc *, uint16_t); 132 133 hide void 134 le_pcc_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 135 { 136 struct le_softc *lsc; 137 138 lsc = (struct le_softc *)sc; 139 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); 140 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP, val); 141 } 142 143 hide uint16_t 144 le_pcc_rdcsr(struct lance_softc *sc, uint16_t port) 145 { 146 struct le_softc *lsc; 147 148 lsc = (struct le_softc *)sc; 149 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); 150 return bus_space_read_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP); 151 } 152 153 /* ARGSUSED */ 154 int 155 le_pcc_match(device_t parent, cfdata_t cf, void *aux) 156 { 157 struct pcc_attach_args *pa = aux; 158 159 if (strcmp(pa->pa_name, le_cd.cd_name)) 160 return 0; 161 162 pa->pa_ipl = cf->pcccf_ipl; 163 return 1; 164 } 165 166 /* ARGSUSED */ 167 void 168 le_pcc_attach(device_t parent, device_t self, void *aux) 169 { 170 struct le_softc *lsc; 171 struct lance_softc *sc; 172 struct pcc_attach_args *pa; 173 bus_dma_segment_t seg; 174 int rseg; 175 176 lsc = device_private(self); 177 sc = &lsc->sc_am7990.lsc; 178 sc->sc_dev = self; 179 pa = aux; 180 181 /* Map control registers. */ 182 lsc->sc_bust = pa->pa_bust; 183 bus_space_map(pa->pa_bust, pa->pa_offset, 4, 0, &lsc->sc_bush); 184 185 /* Get contiguous DMA-able memory for the lance */ 186 if (bus_dmamem_alloc(pa->pa_dmat, ether_data_buff_size, PAGE_SIZE, 0, 187 &seg, 1, &rseg, 188 BUS_DMA_NOWAIT | BUS_DMA_ONBOARD_RAM | BUS_DMA_24BIT)) { 189 aprint_error(": Failed to allocate ether buffer\n"); 190 return; 191 } 192 if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, ether_data_buff_size, 193 (void **)&sc->sc_mem, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) { 194 aprint_error(": Failed to map ether buffer\n"); 195 bus_dmamem_free(pa->pa_dmat, &seg, rseg); 196 return; 197 } 198 sc->sc_addr = seg.ds_addr; 199 sc->sc_memsize = ether_data_buff_size; 200 sc->sc_conf3 = LE_C3_BSWP; 201 202 memcpy(sc->sc_enaddr, mvme_ea, ETHER_ADDR_LEN); 203 204 sc->sc_copytodesc = lance_copytobuf_contig; 205 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 206 sc->sc_copytobuf = lance_copytobuf_contig; 207 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 208 sc->sc_zerobuf = lance_zerobuf_contig; 209 210 sc->sc_rdcsr = le_pcc_rdcsr; 211 sc->sc_wrcsr = le_pcc_wrcsr; 212 sc->sc_hwinit = NULL; 213 214 am7990_config(&lsc->sc_am7990); 215 216 evcnt_attach_dynamic(&lsc->sc_evcnt, EVCNT_TYPE_INTR, 217 pccintr_evcnt(pa->pa_ipl), "ether", device_xname(self)); 218 219 pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc, &lsc->sc_evcnt); 220 221 pcc_reg_write(sys_pcc, PCCREG_LANCE_INTR_CTRL, 222 pa->pa_ipl | PCC_IENABLE); 223 } 224
Indexes created Tue Sep 30 20:09:53 GMT 2025