1/* $NetBSD: if_le.c,v 1.35 2008/04/28 20:23:29 martin 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 1.35 2008/04/28 20:23:29 martin 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 106int le_pcc_match(device_t, cfdata_t, void *); 107void le_pcc_attach(device_t, device_t, void *); 108 109CFATTACH_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 122hide void le_pcc_wrcsr(struct lance_softc *, uint16_t, uint16_t); 123hide uint16_t le_pcc_rdcsr(struct lance_softc *, uint16_t); 124 125hide void 126le_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 135hide uint16_t 136le_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 */ 146int 147le_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 */ 159void 160le_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 return; 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 bus_dmamem_free(pa->pa_dmat, &seg, rseg); 188 return; 189 } 190 sc->sc_addr = seg.ds_addr; 191 sc->sc_memsize = ether_data_buff_size; 192 sc->sc_conf3 = LE_C3_BSWP; 193 194 memcpy(sc->sc_enaddr, mvme_ea, ETHER_ADDR_LEN); 195 196 sc->sc_copytodesc = lance_copytobuf_contig; 197 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 198 sc->sc_copytobuf = lance_copytobuf_contig; 199 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 200 sc->sc_zerobuf = lance_zerobuf_contig; 201 202 sc->sc_rdcsr = le_pcc_rdcsr; 203 sc->sc_wrcsr = le_pcc_wrcsr; 204 sc->sc_hwinit = NULL; 205 206 am7990_config(&lsc->sc_am7990); 207 208 evcnt_attach_dynamic(&lsc->sc_evcnt, EVCNT_TYPE_INTR, 209 pccintr_evcnt(pa->pa_ipl), "ether", device_xname(self)); 210 211 pccintr_establish(PCCV_LE, am7990_intr, pa->pa_ipl, sc, &lsc->sc_evcnt); 212 213 pcc_reg_write(sys_pcc, PCCREG_LANCE_INTR_CTRL, 214 pa->pa_ipl | PCC_IENABLE); 215} 216