if_le_sbdio.c revision 1.1.18.2
1 1.1.18.2 yamt /* $NetBSD: if_le_sbdio.c,v 1.1.18.2 2006/06/21 14:51:20 yamt Exp $ */ 2 1.1.18.2 yamt 3 1.1.18.2 yamt /*- 4 1.1.18.2 yamt * Copyright (c) 1996, 2005 The NetBSD Foundation, Inc. 5 1.1.18.2 yamt * All rights reserved. 6 1.1.18.2 yamt * 7 1.1.18.2 yamt * This code is derived from software contributed to The NetBSD Foundation 8 1.1.18.2 yamt * by Adam Glass and Gordon W. Ross. 9 1.1.18.2 yamt * 10 1.1.18.2 yamt * Redistribution and use in source and binary forms, with or without 11 1.1.18.2 yamt * modification, are permitted provided that the following conditions 12 1.1.18.2 yamt * are met: 13 1.1.18.2 yamt * 1. Redistributions of source code must retain the above copyright 14 1.1.18.2 yamt * notice, this list of conditions and the following disclaimer. 15 1.1.18.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.18.2 yamt * notice, this list of conditions and the following disclaimer in the 17 1.1.18.2 yamt * documentation and/or other materials provided with the distribution. 18 1.1.18.2 yamt * 3. All advertising materials mentioning features or use of this software 19 1.1.18.2 yamt * must display the following acknowledgement: 20 1.1.18.2 yamt * This product includes software developed by the NetBSD 21 1.1.18.2 yamt * Foundation, Inc. and its contributors. 22 1.1.18.2 yamt * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.18.2 yamt * contributors may be used to endorse or promote products derived 24 1.1.18.2 yamt * from this software without specific prior written permission. 25 1.1.18.2 yamt * 26 1.1.18.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.18.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.18.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.18.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.18.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.18.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.18.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.18.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.18.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.18.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.18.2 yamt * POSSIBILITY OF SUCH DAMAGE. 37 1.1.18.2 yamt */ 38 1.1.18.2 yamt 39 1.1.18.2 yamt #include <sys/cdefs.h> 40 1.1.18.2 yamt __KERNEL_RCSID(0, "$NetBSD: if_le_sbdio.c,v 1.1.18.2 2006/06/21 14:51:20 yamt Exp $"); 41 1.1.18.2 yamt 42 1.1.18.2 yamt #include "opt_inet.h" 43 1.1.18.2 yamt #include "bpfilter.h" 44 1.1.18.2 yamt 45 1.1.18.2 yamt #include <sys/param.h> 46 1.1.18.2 yamt #include <sys/systm.h> 47 1.1.18.2 yamt #include <sys/mbuf.h> 48 1.1.18.2 yamt #include <sys/syslog.h> 49 1.1.18.2 yamt #include <sys/socket.h> 50 1.1.18.2 yamt #include <sys/device.h> 51 1.1.18.2 yamt 52 1.1.18.2 yamt #include <net/if.h> 53 1.1.18.2 yamt #include <net/if_ether.h> 54 1.1.18.2 yamt #include <net/if_media.h> 55 1.1.18.2 yamt 56 1.1.18.2 yamt #ifdef INET 57 1.1.18.2 yamt #include <netinet/in.h> 58 1.1.18.2 yamt #include <netinet/if_inarp.h> 59 1.1.18.2 yamt #endif 60 1.1.18.2 yamt 61 1.1.18.2 yamt #include <machine/bus.h> 62 1.1.18.2 yamt #include <machine/intr.h> 63 1.1.18.2 yamt #include <machine/sbdiovar.h> 64 1.1.18.2 yamt #include <machine/sbdvar.h> /* for ether_addr() */ 65 1.1.18.2 yamt 66 1.1.18.2 yamt #include <dev/ic/lancereg.h> 67 1.1.18.2 yamt #include <dev/ic/lancevar.h> 68 1.1.18.2 yamt #include <dev/ic/am7990reg.h> 69 1.1.18.2 yamt #include <dev/ic/am7990var.h> 70 1.1.18.2 yamt 71 1.1.18.2 yamt #define LEREG1_RDP 0 /* offset to lance data register */ 72 1.1.18.2 yamt #define LEREG1_RAP 6 /* offset to lance address regsiter */ 73 1.1.18.2 yamt #define LE_MEMSIZE (64 * 1024) 74 1.1.18.2 yamt 75 1.1.18.2 yamt struct le_sbdio_softc { 76 1.1.18.2 yamt struct am7990_softc sc_am7990; 77 1.1.18.2 yamt 78 1.1.18.2 yamt bus_space_tag_t sc_bst; 79 1.1.18.2 yamt bus_space_handle_t sc_bsh; 80 1.1.18.2 yamt bus_dma_tag_t sc_dmat; 81 1.1.18.2 yamt bus_dmamap_t sc_dmamap; 82 1.1.18.2 yamt }; 83 1.1.18.2 yamt 84 1.1.18.2 yamt int le_sbdio_match(struct device *, struct cfdata *, void *); 85 1.1.18.2 yamt void le_sbdio_attach(struct device *, struct device *, void *); 86 1.1.18.2 yamt static void le_sbdio_wrcsr(struct lance_softc *, uint16_t, uint16_t); 87 1.1.18.2 yamt static uint16_t le_sbdio_rdcsr(struct lance_softc *, uint16_t); 88 1.1.18.2 yamt 89 1.1.18.2 yamt CFATTACH_DECL(le_sbdio, sizeof(struct le_sbdio_softc), 90 1.1.18.2 yamt le_sbdio_match, le_sbdio_attach, NULL, NULL); 91 1.1.18.2 yamt 92 1.1.18.2 yamt int 93 1.1.18.2 yamt le_sbdio_match(struct device *parent, struct cfdata *cf, void *aux) 94 1.1.18.2 yamt { 95 1.1.18.2 yamt struct sbdio_attach_args *sa = aux; 96 1.1.18.2 yamt 97 1.1.18.2 yamt return strcmp(sa->sa_name, "lance") ? 0 : 1; 98 1.1.18.2 yamt } 99 1.1.18.2 yamt 100 1.1.18.2 yamt void 101 1.1.18.2 yamt le_sbdio_attach(struct device *parent, struct device *self, void *aux) 102 1.1.18.2 yamt { 103 1.1.18.2 yamt struct sbdio_attach_args *sa = aux; 104 1.1.18.2 yamt struct le_sbdio_softc *lesc = (void *)self; 105 1.1.18.2 yamt struct lance_softc *sc = &lesc->sc_am7990.lsc; 106 1.1.18.2 yamt bus_dma_segment_t seg; 107 1.1.18.2 yamt int rseg; 108 1.1.18.2 yamt 109 1.1.18.2 yamt lesc->sc_dmat = sa->sa_dmat; 110 1.1.18.2 yamt lesc->sc_bst = sa->sa_bust; 111 1.1.18.2 yamt 112 1.1.18.2 yamt if (bus_space_map(lesc->sc_bst, sa->sa_addr1, 8 /* XXX */, 113 1.1.18.2 yamt BUS_SPACE_MAP_LINEAR, &lesc->sc_bsh) != 0) { 114 1.1.18.2 yamt printf(": cannot map registers\n"); 115 1.1.18.2 yamt return; 116 1.1.18.2 yamt } 117 1.1.18.2 yamt 118 1.1.18.2 yamt /* Allocate DMA memory for the chip. */ 119 1.1.18.2 yamt if (bus_dmamem_alloc(lesc->sc_dmat, LE_MEMSIZE, 0, 0, &seg, 1, &rseg, 120 1.1.18.2 yamt BUS_DMA_NOWAIT) != 0) { 121 1.1.18.2 yamt printf(": can't allocate DMA memory\n"); 122 1.1.18.2 yamt return; 123 1.1.18.2 yamt } 124 1.1.18.2 yamt if (bus_dmamem_map(lesc->sc_dmat, &seg, rseg, LE_MEMSIZE, 125 1.1.18.2 yamt (caddr_t *)&sc->sc_mem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) { 126 1.1.18.2 yamt printf(": can't map DMA memory\n"); 127 1.1.18.2 yamt return; 128 1.1.18.2 yamt } 129 1.1.18.2 yamt if (bus_dmamap_create(lesc->sc_dmat, LE_MEMSIZE, 1, LE_MEMSIZE, 130 1.1.18.2 yamt 0, BUS_DMA_NOWAIT, &lesc->sc_dmamap) != 0) { 131 1.1.18.2 yamt printf(": can't create DMA map\n"); 132 1.1.18.2 yamt return; 133 1.1.18.2 yamt } 134 1.1.18.2 yamt if (bus_dmamap_load(lesc->sc_dmat, lesc->sc_dmamap, sc->sc_mem, 135 1.1.18.2 yamt LE_MEMSIZE, NULL, BUS_DMA_NOWAIT) != 0) { 136 1.1.18.2 yamt printf(": can't load DMA map\n"); 137 1.1.18.2 yamt return; 138 1.1.18.2 yamt } 139 1.1.18.2 yamt 140 1.1.18.2 yamt sc->sc_memsize = LE_MEMSIZE; 141 1.1.18.2 yamt sc->sc_addr = lesc->sc_dmamap->dm_segs[0].ds_addr; 142 1.1.18.2 yamt sc->sc_conf3 = LE_C3_BSWP | LE_C3_BCON; 143 1.1.18.2 yamt (*platform.ether_addr)(sc->sc_enaddr); 144 1.1.18.2 yamt 145 1.1.18.2 yamt sc->sc_copytodesc = lance_copytobuf_contig; 146 1.1.18.2 yamt sc->sc_copyfromdesc = lance_copyfrombuf_contig; 147 1.1.18.2 yamt sc->sc_copytobuf = lance_copytobuf_contig; 148 1.1.18.2 yamt sc->sc_copyfrombuf = lance_copyfrombuf_contig; 149 1.1.18.2 yamt sc->sc_zerobuf = lance_zerobuf_contig; 150 1.1.18.2 yamt #ifdef LEDEBUG 151 1.1.18.2 yamt sc->sc_debug = 0xff; 152 1.1.18.2 yamt #endif 153 1.1.18.2 yamt sc->sc_rdcsr = le_sbdio_rdcsr; 154 1.1.18.2 yamt sc->sc_wrcsr = le_sbdio_wrcsr; 155 1.1.18.2 yamt 156 1.1.18.2 yamt printf(" at %p irq %d", (void *)sa->sa_addr1, sa->sa_irq); 157 1.1.18.2 yamt 158 1.1.18.2 yamt am7990_config(&lesc->sc_am7990); 159 1.1.18.2 yamt intr_establish(sa->sa_irq, am7990_intr, self); 160 1.1.18.2 yamt } 161 1.1.18.2 yamt 162 1.1.18.2 yamt static void 163 1.1.18.2 yamt le_sbdio_wrcsr(struct lance_softc *sc, uint16_t port, uint16_t val) 164 1.1.18.2 yamt { 165 1.1.18.2 yamt struct le_sbdio_softc *lesc = (void *)sc; 166 1.1.18.2 yamt 167 1.1.18.2 yamt bus_space_write_2(lesc->sc_bst, lesc->sc_bsh, LEREG1_RAP, port); 168 1.1.18.2 yamt bus_space_write_2(lesc->sc_bst, lesc->sc_bsh, LEREG1_RDP, val); 169 1.1.18.2 yamt } 170 1.1.18.2 yamt 171 1.1.18.2 yamt static uint16_t 172 1.1.18.2 yamt le_sbdio_rdcsr(struct lance_softc *sc, uint16_t port) 173 1.1.18.2 yamt { 174 1.1.18.2 yamt struct le_sbdio_softc *lesc = (void *)sc; 175 1.1.18.2 yamt 176 1.1.18.2 yamt bus_space_write_2(lesc->sc_bst, lesc->sc_bsh, LEREG1_RAP, port); 177 1.1.18.2 yamt return bus_space_read_2(lesc->sc_bst, lesc->sc_bsh, LEREG1_RDP); 178 1.1.18.2 yamt } 179
Indexes created Thu Oct 23 22:10:10 GMT 2025