if_le_obio.c revision 1.5
1 /* $NetBSD: if_le_obio.c,v 1.5 1998/08/29 20:49:37 pk Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 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; Jason R. Thorpe of the Numerical Aerospace 9 * Simulation Facility, NASA Ames Research Center; Paul Kranenburg. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include "opt_inet.h" 41 #include "bpfilter.h" 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 #include <sys/malloc.h> 47 #include <sys/socket.h> 48 49 #include <net/if.h> 50 #include <net/if_ether.h> 51 #include <net/if_media.h> 52 53 #include <machine/autoconf.h> 54 #include <machine/cpu.h> 55 56 #include <dev/ic/lancereg.h> 57 #include <dev/ic/lancevar.h> 58 #include <dev/ic/am7990reg.h> 59 #include <dev/ic/am7990var.h> 60 61 /* 62 * LANCE registers. 63 */ 64 #define LEREG1_RDP 0 /* Register Data port */ 65 #define LEREG1_RAP 2 /* Register Address port */ 66 67 struct le_softc { 68 struct am7990_softc sc_am7990; /* glue to MI code */ 69 bus_space_tag_t sc_bustag; 70 bus_dma_tag_t sc_dmatag; 71 bus_space_handle_t sc_reg; /* LANCE registers */ 72 }; 73 74 #define MEMSIZE 0x4000 /* LANCE memory size */ 75 76 int lematch_obio __P((struct device *, struct cfdata *, void *)); 77 void leattach_obio __P((struct device *, struct device *, void *)); 78 79 /* 80 * Media types supported. 81 */ 82 static int lemedia[] = { 83 IFM_ETHER|IFM_10_T, 84 }; 85 #define NLEMEDIA (sizeof(lemedia) / sizeof(lemedia[0])) 86 87 struct cfattach le_obio_ca = { 88 sizeof(struct le_softc), lematch_obio, leattach_obio 89 }; 90 91 extern struct cfdriver le_cd; 92 93 #if defined(_KERNEL) && !defined(_LKM) 94 #include "opt_ddb.h" 95 #endif 96 97 #ifdef DDB 98 #define integrate 99 #define hide 100 #else 101 #define integrate static __inline 102 #define hide static 103 #endif 104 105 static void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 106 static u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 107 108 static void 109 lewrcsr(sc, port, val) 110 struct lance_softc *sc; 111 u_int16_t port, val; 112 { 113 struct le_softc *lesc = (struct le_softc *)sc; 114 115 bus_space_write_2(lesc->sc_bustag, lesc->sc_reg, LEREG1_RAP, port); 116 bus_space_write_2(lesc->sc_bustag, lesc->sc_reg, LEREG1_RDP, val); 117 } 118 119 static u_int16_t 120 lerdcsr(sc, port) 121 struct lance_softc *sc; 122 u_int16_t port; 123 { 124 struct le_softc *lesc = (struct le_softc *)sc; 125 126 bus_space_write_2(lesc->sc_bustag, lesc->sc_reg, LEREG1_RAP, port); 127 return (bus_space_read_2(lesc->sc_bustag, lesc->sc_reg, LEREG1_RDP)); 128 } 129 130 int 131 lematch_obio(parent, cf, aux) 132 struct device *parent; 133 struct cfdata *cf; 134 void *aux; 135 { 136 union obio_attach_args *uoba = aux; 137 struct obio4_attach_args *oba; 138 139 if (uoba->uoba_isobio4 == 0) 140 return (0); 141 142 oba = &uoba->uoba_oba4; 143 return (bus_space_probe(oba->oba_bustag, 0, oba->oba_paddr, 144 2, /* probe size */ 145 0, /* offset */ 146 0, /* flags */ 147 NULL, NULL)); 148 } 149 150 void 151 leattach_obio(parent, self, aux) 152 struct device *parent, *self; 153 void *aux; 154 { 155 union obio_attach_args *uoba = aux; 156 struct obio4_attach_args *oba = &uoba->uoba_oba4; 157 struct le_softc *lesc = (struct le_softc *)self; 158 struct lance_softc *sc = &lesc->sc_am7990.lsc; 159 bus_dma_segment_t seg; 160 int rseg; 161 /* XXX the following declarations should be elsewhere */ 162 extern void myetheraddr __P((u_char *)); 163 164 lesc->sc_bustag = oba->oba_bustag; 165 lesc->sc_dmatag = oba->oba_dmatag; 166 167 if (obio_bus_map(oba->oba_bustag, oba->oba_paddr, 168 0, 2 * sizeof(u_int16_t), 169 0, 0, 170 &lesc->sc_reg) != 0) { 171 printf("%s @ obio: cannot map registers\n", self->dv_xname); 172 return; 173 } 174 175 if (oba->oba_bp != NULL && 176 strcmp(oba->oba_bp->name, le_cd.cd_name) == 0 && 177 sc->sc_dev.dv_unit == oba->oba_bp->val[1]) 178 oba->oba_bp->dev = &sc->sc_dev; 179 180 181 if (bus_dmamem_alloc(lesc->sc_dmatag, MEMSIZE, NBPG, 0, 182 &seg, 1, &rseg, 183 BUS_DMA_NOWAIT | BUS_DMA_24BIT) != 0) { 184 printf("%s @ obio: DMA memory allocation error\n", 185 self->dv_xname); 186 return; 187 } 188 if (bus_dmamem_map(lesc->sc_dmatag, &seg, rseg, MEMSIZE, 189 (caddr_t *)&sc->sc_mem, 190 BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) { 191 printf("%s @ obio: DMA memory map error\n", self->dv_xname); 192 bus_dmamem_free(lesc->sc_dmatag, &seg, rseg); 193 return; 194 } 195 sc->sc_addr = seg.ds_addr & 0xffffff; 196 sc->sc_memsize = MEMSIZE; 197 sc->sc_conf3 = LE_C3_BSWP | LE_C3_ACON | LE_C3_BCON; 198 199 sc->sc_supmedia = lemedia; 200 sc->sc_nsupmedia = NLEMEDIA; 201 sc->sc_defaultmedia = lemedia[0]; 202 203 myetheraddr(sc->sc_enaddr); 204 205 sc->sc_copytodesc = lance_copytobuf_contig; 206 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 207 sc->sc_copytobuf = lance_copytobuf_contig; 208 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 209 sc->sc_zerobuf = lance_zerobuf_contig; 210 211 sc->sc_rdcsr = lerdcsr; 212 sc->sc_wrcsr = lewrcsr; 213 214 am7990_config(&lesc->sc_am7990); 215 216 /* Install interrupt */ 217 (void)bus_intr_establish(lesc->sc_bustag, oba->oba_pri, 0, 218 am7990_intr, sc); 219 } 220
Indexes created Thu Sep 25 16:09:42 GMT 2025