if_le.c revision 1.37
1 /* $NetBSD: if_le.c,v 1.37 2022/05/29 10:45:05 rin 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 * 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 /*- 33 * Copyright (c) 1992, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * This code is derived from software contributed to Berkeley by 37 * Ralph Campbell and Rick Macklem. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. Neither the name of the University nor the names of its contributors 48 * may be used to endorse or promote products derived from this software 49 * without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 54 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 61 * SUCH DAMAGE. 62 * 63 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 64 */ 65 66 #include <sys/cdefs.h> 67 __KERNEL_RCSID(0, "$NetBSD: if_le.c,v 1.37 2022/05/29 10:45:05 rin Exp $"); 68 69 #include "opt_inet.h" 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #include <sys/mbuf.h> 74 #include <sys/syslog.h> 75 #include <sys/socket.h> 76 #include <sys/device.h> 77 78 #include <uvm/uvm_extern.h> 79 80 #include <net/if.h> 81 #include <net/if_ether.h> 82 #include <net/if_media.h> 83 84 #ifdef INET 85 #include <netinet/in.h> 86 #include <netinet/if_inarp.h> 87 #endif 88 89 #include <machine/autoconf.h> 90 #include <machine/cpu.h> 91 #include <machine/bus.h> 92 93 #include <mvme68k/dev/pccreg.h> 94 #include <mvme68k/dev/pccvar.h> 95 96 #include <dev/ic/lancereg.h> 97 #include <dev/ic/lancevar.h> 98 #include <dev/ic/am7990reg.h> 99 #include <dev/ic/am7990var.h> 100 101 #include <mvme68k/dev/if_lereg.h> 102 #include <mvme68k/dev/if_levar.h> 103 104 #include "ioconf.h" 105 106 int le_pcc_match(device_t, cfdata_t, void *); 107 void le_pcc_attach(device_t, device_t, void *); 108 109 CFATTACH_DECL_NEW(le_pcc, sizeof(struct le_softc), 110 le_pcc_match, le_pcc_attach, NULL, NULL); 111 112 #if defined(_KERNEL_OPT) 113 #include "opt_ddb.h" 114 #endif 115 116 #ifdef DDB 117 #define hide 118 #else 119 #define hide static 120 #endif 121 122 hide void le_pcc_wrcsr(struct lance_softc *, uint16_t, uint16_t); 123 hide uint16_t le_pcc_rdcsr(struct lance_softc *, uint16_t); 124 125 hide void 126 le_pcc_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 127 { 128 struct le_softc *lsc; 129 130 lsc = (struct le_softc *)sc; 131 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); 132 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP, val); 133 } 134 135 hide uint16_t 136 le_pcc_rdcsr(struct lance_softc *sc, uint16_t port) 137 { 138 struct le_softc *lsc; 139 140 lsc = (struct le_softc *)sc; 141 bus_space_write_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RAP, port); 142 return bus_space_read_2(lsc->sc_bust, lsc->sc_bush, LEPCC_RDP); 143 } 144 145 /* ARGSUSED */ 146 int 147 le_pcc_match(device_t parent, cfdata_t cf, void *aux) 148 { 149 struct pcc_attach_args *pa = aux; 150 151 if (strcmp(pa->pa_name, le_cd.cd_name)) 152 return 0; 153 154 pa->pa_ipl = cf->pcccf_ipl; 155 return 1; 156 } 157 158 /* ARGSUSED */ 159 void 160 le_pcc_attach(device_t parent, device_t self, void *aux) 161 { 162 struct le_softc *lsc; 163 struct lance_softc *sc; 164 struct pcc_attach_args *pa; 165 bus_dma_segment_t seg; 166 int rseg; 167 168 lsc = device_private(self); 169 sc = &lsc->sc_am7990.lsc; 170 sc->sc_dev = self; 171 pa = aux; 172 173 /* Map control registers. */ 174 lsc->sc_bust = pa->pa_bust; 175 bus_space_map(pa->pa_bust, pa->pa_offset, 4, 0, &lsc->sc_bush); 176 177 /* Get contiguous DMA-able memory for the lance */ 178 if (bus_dmamem_alloc(pa->pa_dmat, ether_data_buff_size, PAGE_SIZE, 0, 179 &seg, 1, &rseg, 180 BUS_DMA_NOWAIT | BUS_DMA_ONBOARD_RAM | BUS_DMA_24BIT)) { 181 aprint_error(": Failed to allocate ether buffer\n"); 182 goto bad_unmap; 183 } 184 if (bus_dmamem_map(pa->pa_dmat, &seg, rseg, ether_data_buff_size, 185 (void **)&sc->sc_mem, BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) { 186 aprint_error(": Failed to map ether buffer\n"); 187 goto bad_free; 188 } 189 sc->sc_addr = seg.ds_addr; 190 sc->sc_memsize = ether_data_buff_size; 191 sc->sc_conf3 = LE_C3_BSWP; 192 193 memcpy(sc->sc_enaddr, mvme_ea, ETHER_ADDR_LEN); 194 195 sc->sc_copytodesc = lance_copytobuf_contig; 196 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 197 sc->sc_copytobuf = lance_copytobuf_contig; 198 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 199 sc->sc_zerobuf = lance_zerobuf_contig; 200 201 sc->sc_rdcsr = le_pcc_rdcsr; 202 sc->sc_wrcsr = le_pcc_wrcsr; 203 sc->sc_hwinit = NULL; 204 205 am7990_config(&lsc->sc_am7990); 206 207 evcnt_attach_dynamic(&lsc->sc_evcnt, EVCNT_TYPE_INTR, 208 pccintr_evcnt(pa->pa_ipl), "ether", device_xname(self)); 209 210 pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc, &lsc->sc_evcnt); 211 212 pcc_reg_write(sys_pcc, PCCREG_LANCE_INTR_CTRL, 213 pa->pa_ipl | PCC_IENABLE); 214 215 return; 216 217 bad_free: 218 bus_dmamem_free(pa->pa_dmat, &seg, rseg); 219 bad_unmap: 220 bus_space_unmap(pa->pa_bust, lsc->sc_bush, 4); 221 } 222
Indexes created Tue Sep 30 20:09:53 GMT 2025