if_le.c revision 1.2.2.2
1 1.2.2.2 bouyer /* $NetBSD: if_le.c,v 1.2.2.2 2000/11/20 20:14:11 bouyer Exp $ */ 2 1.2.2.2 bouyer 3 1.2.2.2 bouyer /*- 4 1.2.2.2 bouyer * Copyright (c) 1996, 2000 The NetBSD Foundation, Inc. 5 1.2.2.2 bouyer * All rights reserved. 6 1.2.2.2 bouyer * 7 1.2.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 bouyer * by Adam Glass, Gordon W. Ross and Wayne Knowles 9 1.2.2.2 bouyer * 10 1.2.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.2.2.2 bouyer * are met: 13 1.2.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.2.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 bouyer * must display the following acknowledgement: 20 1.2.2.2 bouyer * This product includes software developed by the NetBSD 21 1.2.2.2 bouyer * Foundation, Inc. and its contributors. 22 1.2.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 bouyer * contributors may be used to endorse or promote products derived 24 1.2.2.2 bouyer * from this software without specific prior written permission. 25 1.2.2.2 bouyer * 26 1.2.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 bouyer */ 38 1.2.2.2 bouyer 39 1.2.2.2 bouyer #include "opt_inet.h" 40 1.2.2.2 bouyer #include "bpfilter.h" 41 1.2.2.2 bouyer 42 1.2.2.2 bouyer #include <sys/param.h> 43 1.2.2.2 bouyer #include <sys/systm.h> 44 1.2.2.2 bouyer #include <sys/mbuf.h> 45 1.2.2.2 bouyer #include <sys/syslog.h> 46 1.2.2.2 bouyer #include <sys/socket.h> 47 1.2.2.2 bouyer #include <sys/device.h> 48 1.2.2.2 bouyer 49 1.2.2.2 bouyer #include <net/if.h> 50 1.2.2.2 bouyer #include <net/if_ether.h> 51 1.2.2.2 bouyer #include <net/if_media.h> 52 1.2.2.2 bouyer 53 1.2.2.2 bouyer #ifdef INET 54 1.2.2.2 bouyer #include <netinet/in.h> 55 1.2.2.2 bouyer #include <netinet/if_inarp.h> 56 1.2.2.2 bouyer #endif 57 1.2.2.2 bouyer 58 1.2.2.2 bouyer #include <machine/cpu.h> 59 1.2.2.2 bouyer #include <machine/mainboard.h> 60 1.2.2.2 bouyer #include <machine/autoconf.h> 61 1.2.2.2 bouyer #include <machine/bus.h> 62 1.2.2.2 bouyer 63 1.2.2.2 bouyer #include <dev/ic/lancereg.h> 64 1.2.2.2 bouyer #include <dev/ic/lancevar.h> 65 1.2.2.2 bouyer #include <dev/ic/am7990reg.h> 66 1.2.2.2 bouyer #include <dev/ic/am7990var.h> 67 1.2.2.2 bouyer 68 1.2.2.2 bouyer /* 69 1.2.2.2 bouyer * LANCE registers. 70 1.2.2.2 bouyer */ 71 1.2.2.2 bouyer 72 1.2.2.2 bouyer #define LEREG1_RDP 2 /* Offset to LANCE data register */ 73 1.2.2.2 bouyer #define LEREG1_RAP 6 /* Offset to LANCE address register */ 74 1.2.2.2 bouyer 75 1.2.2.2 bouyer /* 76 1.2.2.2 bouyer * Ethernet software status per interface. 77 1.2.2.2 bouyer * The real stuff is in dev/ic/am7990var.h 78 1.2.2.2 bouyer */ 79 1.2.2.2 bouyer struct le_softc { 80 1.2.2.2 bouyer struct am7990_softc sc_am7990; /* glue to MI code */ 81 1.2.2.2 bouyer bus_space_tag_t sc_bustag; 82 1.2.2.2 bouyer bus_dma_tag_t sc_dmatag; 83 1.2.2.2 bouyer bus_space_handle_t sc_reg; /* LANCE registers */ 84 1.2.2.2 bouyer bus_dmamap_t sc_dmamap; 85 1.2.2.2 bouyer struct evcnt sc_intrcnt; /* Interrupt event counter */ 86 1.2.2.2 bouyer }; 87 1.2.2.2 bouyer 88 1.2.2.2 bouyer static int le_match __P((struct device *, struct cfdata *, void *)); 89 1.2.2.2 bouyer static void le_attach __P((struct device *, struct device *, void *)); 90 1.2.2.2 bouyer 91 1.2.2.2 bouyer struct cfattach le_ca = { 92 1.2.2.2 bouyer sizeof(struct le_softc), le_match, le_attach 93 1.2.2.2 bouyer }; 94 1.2.2.2 bouyer 95 1.2.2.2 bouyer #if defined(_KERNEL) && !defined(_LKM) 96 1.2.2.2 bouyer #include "opt_ddb.h" 97 1.2.2.2 bouyer #endif 98 1.2.2.2 bouyer 99 1.2.2.2 bouyer #ifdef DDB 100 1.2.2.2 bouyer #define integrate 101 1.2.2.2 bouyer #define hide 102 1.2.2.2 bouyer #else 103 1.2.2.2 bouyer #define integrate static __inline 104 1.2.2.2 bouyer #define hide static 105 1.2.2.2 bouyer #endif 106 1.2.2.2 bouyer 107 1.2.2.2 bouyer int le_intr __P((void *)); 108 1.2.2.2 bouyer 109 1.2.2.2 bouyer hide void lewrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 110 1.2.2.2 bouyer hide u_int16_t lerdcsr __P((struct lance_softc *, u_int16_t)); 111 1.2.2.2 bouyer 112 1.2.2.2 bouyer hide void 113 1.2.2.2 bouyer lewrcsr(sc, port, val) 114 1.2.2.2 bouyer struct lance_softc *sc; 115 1.2.2.2 bouyer u_int16_t port, val; 116 1.2.2.2 bouyer { 117 1.2.2.2 bouyer struct le_softc *lesc = (struct le_softc *)sc; 118 1.2.2.2 bouyer 119 1.2.2.2 bouyer bus_space_write_2(lesc->sc_bustag, lesc->sc_reg, LEREG1_RAP, port); 120 1.2.2.2 bouyer bus_space_write_2(lesc->sc_bustag, lesc->sc_reg, LEREG1_RDP, val); 121 1.2.2.2 bouyer } 122 1.2.2.2 bouyer 123 1.2.2.2 bouyer hide u_int16_t 124 1.2.2.2 bouyer lerdcsr(sc, port) 125 1.2.2.2 bouyer struct lance_softc *sc; 126 1.2.2.2 bouyer u_int16_t port; 127 1.2.2.2 bouyer { 128 1.2.2.2 bouyer struct le_softc *lesc = (struct le_softc *)sc; 129 1.2.2.2 bouyer 130 1.2.2.2 bouyer bus_space_write_2(lesc->sc_bustag, lesc->sc_reg, LEREG1_RAP, port); 131 1.2.2.2 bouyer return (bus_space_read_2(lesc->sc_bustag, lesc->sc_reg, LEREG1_RDP)); 132 1.2.2.2 bouyer } 133 1.2.2.2 bouyer 134 1.2.2.2 bouyer int 135 1.2.2.2 bouyer le_match(parent, cf, aux) 136 1.2.2.2 bouyer struct device *parent; 137 1.2.2.2 bouyer struct cfdata *cf; 138 1.2.2.2 bouyer void *aux; 139 1.2.2.2 bouyer { 140 1.2.2.2 bouyer struct confargs *ca = aux; 141 1.2.2.2 bouyer int addr; 142 1.2.2.2 bouyer 143 1.2.2.2 bouyer if (strcmp(ca->ca_name, "le")) 144 1.2.2.2 bouyer return 0; 145 1.2.2.2 bouyer 146 1.2.2.2 bouyer switch(cf->cf_unit) { 147 1.2.2.2 bouyer 148 1.2.2.2 bouyer case 0: 149 1.2.2.2 bouyer addr = LANCE_PORT; 150 1.2.2.2 bouyer break; 151 1.2.2.2 bouyer default: 152 1.2.2.2 bouyer return 0; 153 1.2.2.2 bouyer } 154 1.2.2.2 bouyer 155 1.2.2.2 bouyer if (badaddr((void *)addr, 1)) 156 1.2.2.2 bouyer return 0; 157 1.2.2.2 bouyer 158 1.2.2.2 bouyer return 1; 159 1.2.2.2 bouyer } 160 1.2.2.2 bouyer 161 1.2.2.2 bouyer #define LE_MEMSIZE (32*1024) 162 1.2.2.2 bouyer 163 1.2.2.2 bouyer void 164 1.2.2.2 bouyer le_attach(parent, self, aux) 165 1.2.2.2 bouyer struct device *parent, *self; 166 1.2.2.2 bouyer void *aux; 167 1.2.2.2 bouyer { 168 1.2.2.2 bouyer struct le_softc *lesc = (struct le_softc *)self; 169 1.2.2.2 bouyer struct lance_softc *sc = &lesc->sc_am7990.lsc; 170 1.2.2.2 bouyer struct confargs *ca = aux; 171 1.2.2.2 bouyer 172 1.2.2.2 bouyer bus_dma_tag_t dmat; 173 1.2.2.2 bouyer bus_dma_segment_t seg; 174 1.2.2.2 bouyer int rseg; 175 1.2.2.2 bouyer 176 1.2.2.2 bouyer /*struct confargs *ca = aux;*/ 177 1.2.2.2 bouyer u_char *id; 178 1.2.2.2 bouyer int i; 179 1.2.2.2 bouyer caddr_t kvaddr; 180 1.2.2.2 bouyer 181 1.2.2.2 bouyer switch (sc->sc_dev.dv_unit) { 182 1.2.2.2 bouyer case 0: 183 1.2.2.2 bouyer id = (u_char *)(ETHER_ID); 184 1.2.2.2 bouyer break; 185 1.2.2.2 bouyer default: 186 1.2.2.2 bouyer panic("le_attach"); 187 1.2.2.2 bouyer } 188 1.2.2.2 bouyer 189 1.2.2.2 bouyer lesc->sc_bustag = ca->ca_bustag; 190 1.2.2.2 bouyer dmat = lesc->sc_dmatag = ca->ca_dmatag; 191 1.2.2.2 bouyer 192 1.2.2.2 bouyer if (bus_space_map(ca->ca_bustag, ca->ca_addr, 193 1.2.2.2 bouyer 8, /* size */ 194 1.2.2.2 bouyer BUS_SPACE_MAP_LINEAR, 195 1.2.2.2 bouyer &lesc->sc_reg) != 0) { 196 1.2.2.2 bouyer printf(": cannot map registers\n"); 197 1.2.2.2 bouyer return; 198 1.2.2.2 bouyer } 199 1.2.2.2 bouyer 200 1.2.2.2 bouyer /* 201 1.2.2.2 bouyer * Allocate a physically contiguous DMA area for the chip. 202 1.2.2.2 bouyer */ 203 1.2.2.2 bouyer if (bus_dmamem_alloc(dmat, LE_MEMSIZE, 0, 0, &seg, 1, 204 1.2.2.2 bouyer &rseg, BUS_DMA_NOWAIT)) { 205 1.2.2.2 bouyer printf(": can't allocate DMA area\n"); 206 1.2.2.2 bouyer return; 207 1.2.2.2 bouyer } 208 1.2.2.2 bouyer /* Map pages into kernel memory */ 209 1.2.2.2 bouyer if (bus_dmamem_map(dmat, &seg, rseg, LE_MEMSIZE, 210 1.2.2.2 bouyer &kvaddr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 211 1.2.2.2 bouyer printf(": can't map DMA area\n"); 212 1.2.2.2 bouyer bus_dmamem_free(dmat, &seg, rseg); 213 1.2.2.2 bouyer return; 214 1.2.2.2 bouyer } 215 1.2.2.2 bouyer /* Build DMA map so we can get physical address */ 216 1.2.2.2 bouyer if (bus_dmamap_create(dmat, LE_MEMSIZE, 1, LE_MEMSIZE, 217 1.2.2.2 bouyer 0, BUS_DMA_NOWAIT, &lesc->sc_dmamap)) { 218 1.2.2.2 bouyer printf(": can't create DMA map\n"); 219 1.2.2.2 bouyer goto bad; 220 1.2.2.2 bouyer } 221 1.2.2.2 bouyer if (bus_dmamap_load(dmat, lesc->sc_dmamap, kvaddr, LE_MEMSIZE, 222 1.2.2.2 bouyer NULL, BUS_DMA_NOWAIT)) { 223 1.2.2.2 bouyer printf(": can't load DMA map\n"); 224 1.2.2.2 bouyer goto bad; 225 1.2.2.2 bouyer } 226 1.2.2.2 bouyer 227 1.2.2.2 bouyer sc->sc_memsize = LE_MEMSIZE; /* 16K Buffer space*/ 228 1.2.2.2 bouyer sc->sc_mem = (void *) MIPS_PHYS_TO_KSEG1(kvaddr); 229 1.2.2.2 bouyer sc->sc_addr = lesc->sc_dmamap->dm_segs[0].ds_addr; 230 1.2.2.2 bouyer 231 1.2.2.2 bouyer sc->sc_conf3 = LE_C3_BSWP; 232 1.2.2.2 bouyer 233 1.2.2.2 bouyer /* Copy Ethernet hardware address from NVRAM */ 234 1.2.2.2 bouyer for (i=0; i < 6; i++) 235 1.2.2.2 bouyer sc->sc_enaddr[i] = id[i*4+3]; /* XXX */ 236 1.2.2.2 bouyer 237 1.2.2.2 bouyer sc->sc_copytodesc = lance_copytobuf_contig; 238 1.2.2.2 bouyer sc->sc_copyfromdesc = lance_copyfrombuf_contig; 239 1.2.2.2 bouyer sc->sc_copytobuf = lance_copytobuf_contig; 240 1.2.2.2 bouyer sc->sc_copyfrombuf = lance_copyfrombuf_contig; 241 1.2.2.2 bouyer sc->sc_zerobuf = lance_zerobuf_contig; 242 1.2.2.2 bouyer 243 1.2.2.2 bouyer sc->sc_rdcsr = lerdcsr; 244 1.2.2.2 bouyer sc->sc_wrcsr = lewrcsr; 245 1.2.2.2 bouyer sc->sc_hwinit = NULL; 246 1.2.2.2 bouyer 247 1.2.2.2 bouyer evcnt_attach_dynamic(&lesc->sc_intrcnt, EVCNT_TYPE_INTR, NULL, 248 1.2.2.2 bouyer self->dv_xname, "intr"); 249 1.2.2.2 bouyer bus_intr_establish(lesc->sc_bustag, SYS_INTR_ETHER, 0, 0, 250 1.2.2.2 bouyer le_intr, lesc); 251 1.2.2.2 bouyer 252 1.2.2.2 bouyer am7990_config(&lesc->sc_am7990); 253 1.2.2.2 bouyer return; 254 1.2.2.2 bouyer 255 1.2.2.2 bouyer bad: 256 1.2.2.2 bouyer bus_dmamem_unmap(dmat, kvaddr, LE_MEMSIZE); 257 1.2.2.2 bouyer bus_dmamem_free(dmat, &seg, rseg); 258 1.2.2.2 bouyer } 259 1.2.2.2 bouyer 260 1.2.2.2 bouyer int 261 1.2.2.2 bouyer le_intr(arg) 262 1.2.2.2 bouyer void *arg; 263 1.2.2.2 bouyer { 264 1.2.2.2 bouyer struct le_softc *lesc = arg; 265 1.2.2.2 bouyer 266 1.2.2.2 bouyer lesc->sc_intrcnt.ev_count++; 267 1.2.2.2 bouyer return am7990_intr(&lesc->sc_am7990); 268 1.2.2.2 bouyer } 269
Indexes created Wed Oct 22 06:10:02 GMT 2025