if_xe.c revision 1.1
1 /* $NetBSD: if_xe.c,v 1.1 1998/06/09 07:53:05 dbj 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 "bpfilter.h" 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/mbuf.h> 37 #include <sys/syslog.h> 38 #include <sys/socket.h> 39 #include <sys/device.h> 40 41 #include <net/if.h> 42 #include <net/if_ether.h> 43 #include <net/if_media.h> 44 45 #ifdef INET 46 #include <netinet/in.h> 47 #include <netinet/if_inarp.h> 48 #endif 49 50 #include <machine/autoconf.h> 51 #include <machine/cpu.h> 52 #include <machine/intr.h> 53 #include <machine/bus.h> 54 55 #include <next68k/next68k/isr.h> 56 57 #include <next68k/dev/mb8795reg.h> 58 #include <next68k/dev/mb8795var.h> 59 60 #include <next68k/dev/nextdmareg.h> 61 #include <next68k/dev/nextdmavar.h> 62 63 #include <next68k/dev/if_xevar.h> 64 65 66 int xe_match __P((struct device *, struct cfdata *, void *)); 67 void xe_attach __P((struct device *, struct device *, void *)); 68 int xe_tint __P((void *)); 69 int xe_rint __P((void *)); 70 71 struct cfattach xe_ca = { 72 sizeof(struct xe_softc), xe_match, xe_attach 73 }; 74 75 int 76 xe_match(parent, match, aux) 77 struct device *parent; 78 struct cfdata *match; 79 void *aux; 80 { 81 /* should probably probe here */ 82 /* Should also probably set up data from config */ 83 return (1); 84 } 85 86 void 87 xe_attach(parent, self, aux) 88 struct device *parent, *self; 89 void *aux; 90 { 91 struct xe_softc *xe_sc = (struct xe_softc *)self; 92 struct mb8795_softc *sc = &xe_sc->sc_mb8795; 93 94 95 { 96 extern u_char rom_enetaddr[6]; /* kludge from machdep.c:next68k_bootargs() */ 97 int i; 98 for(i=0;i<6;i++) { 99 sc->sc_enaddr[i] = rom_enetaddr[i]; 100 } 101 } 102 103 printf("\n%s at MAC address %02x:%02x:%02x:%02x:%02x:%02x\n", 104 sc->sc_dev.dv_xname, 105 sc->sc_enaddr[0],sc->sc_enaddr[1],sc->sc_enaddr[2], 106 sc->sc_enaddr[3],sc->sc_enaddr[4],sc->sc_enaddr[5]); 107 108 /* @@@ This setup is really ugly. Instead, we should be attaching 109 * the DMA controller all by itself and glue things together 110 * with config. 111 * Darrin B. Jewell <dbj (at) netbsd.org> Sat May 16 16:04:34 1998 112 */ 113 114 sc->sc_bst = NEXT68K_INTIO_BUS_SPACE; 115 116 if (bus_space_map(sc->sc_bst, NEXT_P_ENET, 117 sizeof(struct xe_regs), 0, &sc->sc_bsh)) { 118 printf("\n%s: can't map mb8795 registers\n", 119 sc->sc_dev.dv_xname); 120 return; 121 } 122 123 /* initialize rx and tx dma channels */ 124 xe_sc->sc_rxdma.nd_bst = NEXT68K_INTIO_BUS_SPACE; 125 126 if (bus_space_map(xe_sc->sc_rxdma.nd_bst, NEXT_P_ENETR_CSR, 127 sizeof(struct dma_dev), BUS_SPACE_MAP_LINEAR, &xe_sc->sc_rxdma.nd_bsh)) { 128 printf("\n%s: can't map ethernet receive DMA registers\n", 129 sc->sc_dev.dv_xname); 130 return; 131 } 132 xe_sc->sc_rxdma.nd_intr = NEXT_I_ENETR_DMA; 133 xe_sc->sc_rxdma.nd_continue_cb = NULL; 134 xe_sc->sc_rxdma.nd_completed_cb = NULL; 135 xe_sc->sc_rxdma.nd_cb_arg = NULL; 136 sc->sc_rx_dmat = &(xe_sc->sc_rxdma._nd_dmat); 137 sc->sc_rx_nd = &(xe_sc->sc_rxdma); 138 nextdma_config(sc->sc_rx_nd); 139 140 xe_sc->sc_txdma.nd_bst = NEXT68K_INTIO_BUS_SPACE; 141 if (bus_space_map(xe_sc->sc_txdma.nd_bst, NEXT_P_ENETX_CSR, 142 sizeof(struct dma_dev), BUS_SPACE_MAP_LINEAR, &xe_sc->sc_txdma.nd_bsh)) { 143 printf("\n%s: can't map ethernet transmit DMA registers\n", 144 sc->sc_dev.dv_xname); 145 return; 146 } 147 xe_sc->sc_txdma.nd_intr = NEXT_I_ENETX_DMA; 148 xe_sc->sc_txdma.nd_continue_cb = NULL; 149 xe_sc->sc_txdma.nd_completed_cb = NULL; 150 xe_sc->sc_txdma.nd_cb_arg = NULL; 151 sc->sc_tx_dmat = &(xe_sc->sc_txdma._nd_dmat); 152 sc->sc_tx_nd = &(xe_sc->sc_txdma); 153 nextdma_config(sc->sc_tx_nd); 154 155 mb8795_config(sc); 156 157 isrlink_autovec(xe_tint, sc, NEXT_I_IPL(NEXT_I_ENETX), 0); 158 INTR_ENABLE(NEXT_I_ENETX); 159 isrlink_autovec(xe_rint, sc, NEXT_I_IPL(NEXT_I_ENETR), 0); 160 INTR_ENABLE(NEXT_I_ENETR); 161 162 { 163 extern struct device *booted_device; 164 booted_device = &(sc->sc_dev); 165 } 166 } 167 168 169 int 170 xe_tint(arg) 171 void *arg; 172 { 173 if (!INTR_OCCURRED(NEXT_I_ENETX)) return 0; 174 mb8795_tint((struct mb8795_softc *)arg); 175 return(1); 176 } 177 178 int 179 xe_rint(arg) 180 void *arg; 181 { 182 if (!INTR_OCCURRED(NEXT_I_ENETR)) return(0); 183 mb8795_rint((struct mb8795_softc *)arg); 184 return(1); 185 } 186
Indexes created Wed Sep 24 05:09:52 GMT 2025