if_xe.c revision 1.2
1 /* $NetBSD: if_xe.c,v 1.2 1998/07/05 00:51:12 jonathan Exp $ */ 2 /* 3 * Copyright (c) 1998 Darrin B. Jewell 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Darrin B. Jewell 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include "opt_inet.h" 33 #include "bpfilter.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/mbuf.h> 38 #include <sys/syslog.h> 39 #include <sys/socket.h> 40 #include <sys/device.h> 41 42 #include <net/if.h> 43 #include <net/if_ether.h> 44 #include <net/if_media.h> 45 46 #ifdef INET 47 #include <netinet/in.h> 48 #include <netinet/if_inarp.h> 49 #endif 50 51 #include <machine/autoconf.h> 52 #include <machine/cpu.h> 53 #include <machine/intr.h> 54 #include <machine/bus.h> 55 56 #include <next68k/next68k/isr.h> 57 58 #include <next68k/dev/mb8795reg.h> 59 #include <next68k/dev/mb8795var.h> 60 61 #include <next68k/dev/nextdmareg.h> 62 #include <next68k/dev/nextdmavar.h> 63 64 #include <next68k/dev/if_xevar.h> 65 66 67 int xe_match __P((struct device *, struct cfdata *, void *)); 68 void xe_attach __P((struct device *, struct device *, void *)); 69 int xe_tint __P((void *)); 70 int xe_rint __P((void *)); 71 72 struct cfattach xe_ca = { 73 sizeof(struct xe_softc), xe_match, xe_attach 74 }; 75 76 int 77 xe_match(parent, match, aux) 78 struct device *parent; 79 struct cfdata *match; 80 void *aux; 81 { 82 /* should probably probe here */ 83 /* Should also probably set up data from config */ 84 return (1); 85 } 86 87 void 88 xe_attach(parent, self, aux) 89 struct device *parent, *self; 90 void *aux; 91 { 92 struct xe_softc *xe_sc = (struct xe_softc *)self; 93 struct mb8795_softc *sc = &xe_sc->sc_mb8795; 94 95 96 { 97 extern u_char rom_enetaddr[6]; /* kludge from machdep.c:next68k_bootargs() */ 98 int i; 99 for(i=0;i<6;i++) { 100 sc->sc_enaddr[i] = rom_enetaddr[i]; 101 } 102 } 103 104 printf("\n%s at MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", 105 sc->sc_dev.dv_xname, 106 sc->sc_enaddr[0],sc->sc_enaddr[1],sc->sc_enaddr[2], 107 sc->sc_enaddr[3],sc->sc_enaddr[4],sc->sc_enaddr[5]); 108 109 /* @@@ This setup is really ugly. Instead, we should be attaching 110 * the DMA controller all by itself and glue things together 111 * with config. 112 * Darrin B. Jewell <dbj (at) netbsd.org> Sat May 16 16:04:34 1998 113 */ 114 115 sc->sc_bst = NEXT68K_INTIO_BUS_SPACE; 116 117 if (bus_space_map(sc->sc_bst, NEXT_P_ENET, 118 sizeof(struct xe_regs), 0, &sc->sc_bsh)) { 119 printf("\n%s: can't map mb8795 registers\n", 120 sc->sc_dev.dv_xname); 121 return; 122 } 123 124 /* initialize rx and tx dma channels */ 125 xe_sc->sc_rxdma.nd_bst = NEXT68K_INTIO_BUS_SPACE; 126 127 if (bus_space_map(xe_sc->sc_rxdma.nd_bst, NEXT_P_ENETR_CSR, 128 sizeof(struct dma_dev), BUS_SPACE_MAP_LINEAR, &xe_sc->sc_rxdma.nd_bsh)) { 129 printf("\n%s: can't map ethernet receive DMA registers\n", 130 sc->sc_dev.dv_xname); 131 return; 132 } 133 xe_sc->sc_rxdma.nd_intr = NEXT_I_ENETR_DMA; 134 xe_sc->sc_rxdma.nd_continue_cb = NULL; 135 xe_sc->sc_rxdma.nd_completed_cb = NULL; 136 xe_sc->sc_rxdma.nd_cb_arg = NULL; 137 sc->sc_rx_dmat = &(xe_sc->sc_rxdma._nd_dmat); 138 sc->sc_rx_nd = &(xe_sc->sc_rxdma); 139 nextdma_config(sc->sc_rx_nd); 140 141 xe_sc->sc_txdma.nd_bst = NEXT68K_INTIO_BUS_SPACE; 142 if (bus_space_map(xe_sc->sc_txdma.nd_bst, NEXT_P_ENETX_CSR, 143 sizeof(struct dma_dev), BUS_SPACE_MAP_LINEAR, &xe_sc->sc_txdma.nd_bsh)) { 144 printf("\n%s: can't map ethernet transmit DMA registers\n", 145 sc->sc_dev.dv_xname); 146 return; 147 } 148 xe_sc->sc_txdma.nd_intr = NEXT_I_ENETX_DMA; 149 xe_sc->sc_txdma.nd_continue_cb = NULL; 150 xe_sc->sc_txdma.nd_completed_cb = NULL; 151 xe_sc->sc_txdma.nd_cb_arg = NULL; 152 sc->sc_tx_dmat = &(xe_sc->sc_txdma._nd_dmat); 153 sc->sc_tx_nd = &(xe_sc->sc_txdma); 154 nextdma_config(sc->sc_tx_nd); 155 156 mb8795_config(sc); 157 158 isrlink_autovec(xe_tint, sc, NEXT_I_IPL(NEXT_I_ENETX), 0); 159 INTR_ENABLE(NEXT_I_ENETX); 160 isrlink_autovec(xe_rint, sc, NEXT_I_IPL(NEXT_I_ENETR), 0); 161 INTR_ENABLE(NEXT_I_ENETR); 162 163 { 164 extern struct device *booted_device; 165 booted_device = &(sc->sc_dev); 166 } 167 } 168 169 170 int 171 xe_tint(arg) 172 void *arg; 173 { 174 if (!INTR_OCCURRED(NEXT_I_ENETX)) return 0; 175 mb8795_tint((struct mb8795_softc *)arg); 176 return(1); 177 } 178 179 int 180 xe_rint(arg) 181 void *arg; 182 { 183 if (!INTR_OCCURRED(NEXT_I_ENETR)) return(0); 184 mb8795_rint((struct mb8795_softc *)arg); 185 return(1); 186 } 187
Indexes created Wed Sep 24 22:09:59 GMT 2025