1 /* $NetBSD: if_sn_jazzio.c,v 1.3 2002/10/02 04:59:48 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Microsoft JAZZ front-end for for the National Semiconductor DP83932 41 * Systems-Oriented Network Interface Controller (SONIC). 42 */ 43 44 #include "bpfilter.h" 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/mbuf.h> 49 #include <sys/malloc.h> 50 #include <sys/kernel.h> 51 #include <sys/socket.h> 52 #include <sys/ioctl.h> 53 #include <sys/errno.h> 54 #include <sys/device.h> 55 #include <sys/kcore.h> 56 57 #include <net/if.h> 58 #include <net/if_dl.h> 59 #include <net/if_ether.h> 60 61 #include <machine/autoconf.h> 62 #include <machine/bus.h> 63 #include <machine/intr.h> 64 65 #include <dev/ic/dp83932reg.h> 66 #include <dev/ic/dp83932var.h> 67 68 #include <arc/arc/arcbios.h> 69 #include <arc/jazz/jazziovar.h> 70 71 int sonic_jazzio_match(struct device *, struct cfdata *, void *); 72 void sonic_jazzio_attach(struct device *, struct device *, void *); 73 74 CFATTACH_DECL(sn_jazzio, sizeof(struct sonic_softc), 75 sonic_jazzio_match, sonic_jazzio_attach, NULL, NULL); 76 77 int 78 sonic_jazzio_match(struct device *parent, struct cfdata *match, void *aux) 79 { 80 struct jazzio_attach_args *ja = aux; 81 82 if (strcmp(ja->ja_name, "sonic") != 0) 83 return (0); 84 85 return (1); 86 } 87 88 void 89 sonic_jazzio_attach(struct device *parent, struct device *self, void *aux) 90 { 91 struct sonic_softc *sc = (void *) self; 92 struct jazzio_attach_args *ja = aux; 93 int i; 94 uint8_t enaddr[ETHER_ADDR_LEN]; 95 96 sc->sc_st = ja->ja_bust; 97 sc->sc_dmat = ja->ja_dmat; 98 99 printf(": SONIC Ethernet\n"); 100 101 /* Map the device. */ 102 if (bus_space_map(sc->sc_st, ja->ja_addr, SONIC_NREGS * 4, 103 0, &sc->sc_sh) != 0) { 104 printf("%s: unable to map SONIC registers\n", 105 sc->sc_dev.dv_xname); 106 return; 107 } 108 109 /* We run in 32-bit mode. */ 110 sc->sc_32bit = 1; 111 112 /* BMODE is set for little-endian. */ 113 sc->sc_bigendian = 0; 114 115 /* Regs are 16-bit, plus 16-bit pad. */ 116 for (i = 0; i < SONIC_NREGS; i++) 117 sc->sc_regmap[i] = i * 4; 118 119 /* 120 * Configure DCR: 121 * 122 * - Latched bug retry 123 * - Synchronous bus (memory cycle 2 clocks) 124 * - 0 wait states added (WC0,WC1 == 0,0) 125 */ 126 sc->sc_dcr = DCR_LBR | DCR_SBUS; 127 sc->sc_dcr2 = 0; 128 129 /* Hook up our interrupt handler. */ 130 jazzio_intr_establish(ja->ja_intr, sonic_intr, sc); 131 132 /* The Ethernet address is from the product ID. */ 133 memcpy(enaddr, arc_product_id, sizeof(enaddr)); 134 135 /* Finish off the attach. */ 136 sonic_attach(sc, enaddr); 137 } 138