1 /* $NetBSD: bi.c,v 1.16 2000/07/26 12:41:40 ragge Exp $ */ 2 /* 3 * Copyright (c) 1996 Ludd, University of Lule}, Sweden. 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 at Ludd, University of 17 * Lule}, Sweden and its contributors. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 34 35 /* 36 * VAXBI specific routines. 37 */ 38 /* 39 * TODO 40 * handle BIbus errors more gracefully. 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 46 #include <machine/bus.h> 47 #include <machine/cpu.h> 48 49 #include <dev/bi/bireg.h> 50 #include <dev/bi/bivar.h> 51 52 static int bi_print __P((void *, const char *)); 53 54 struct bi_list bi_list[] = { 55 {BIDT_MS820, DT_HAVDRV, "ms820"}, 56 {BIDT_DRB32, DT_UNSUPP, "drb32"}, 57 {BIDT_DWBUA, DT_HAVDRV|DT_ADAPT, "dwbua"}, 58 {BIDT_KLESI, DT_HAVDRV|DT_ADAPT, "klesi"}, 59 {BIDT_KA820, DT_HAVDRV, "ka820"}, 60 {BIDT_DB88, DT_HAVDRV|DT_QUIET, "db88"}, 61 {BIDT_CIBCA, DT_UNSUPP, "cibca"}, 62 {BIDT_DMB32, DT_UNSUPP, "dmb32"}, 63 {BIDT_CIBCI, DT_UNSUPP, "cibci"}, 64 {BIDT_KA800, DT_UNSUPP, "ka800"}, 65 {BIDT_KDB50, DT_HAVDRV|DT_VEC, "kdb50"}, 66 {BIDT_DWMBA, DT_HAVDRV|DT_QUIET, "dwmba"}, 67 {BIDT_KFBTA, DT_UNSUPP, "kfbta"}, 68 {BIDT_DEBNK, DT_HAVDRV|DT_VEC, "debnk"}, 69 {BIDT_DEBNA, DT_HAVDRV|DT_VEC, "debna"}, 70 {0,0,0} 71 }; 72 73 int 74 bi_print(aux, name) 75 void *aux; 76 const char *name; 77 { 78 struct bi_attach_args *ba = aux; 79 struct bi_list *bl; 80 u_int16_t nr; 81 82 nr = bus_space_read_2(ba->ba_iot, ba->ba_ioh, 0); 83 for (bl = &bi_list[0]; bl->bl_nr; bl++) 84 if (bl->bl_nr == nr) 85 break; 86 87 if (name) { 88 if (bl->bl_nr == 0) 89 printf("unknown device 0x%x", nr); 90 else 91 printf(bl->bl_name); 92 printf(" at %s", name); 93 } 94 printf(" node %d", ba->ba_nodenr); 95 if (bl->bl_havedriver & DT_VEC) 96 printf(" vec %o", ba->ba_ivec & 511); 97 #ifdef DEBUG 98 if (bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR) && 99 bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR)) 100 printf(" [sadr %x eadr %x]", 101 bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR), 102 bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR)); 103 #endif 104 if (bl->bl_havedriver & DT_QUIET) 105 printf("\n"); 106 return bl->bl_havedriver & DT_QUIET ? QUIET : 107 bl->bl_havedriver & DT_HAVDRV ? UNCONF : UNSUPP; 108 } 109 110 void 111 bi_attach(sc) 112 struct bi_softc *sc; 113 { 114 struct bi_attach_args ba; 115 int nodenr; 116 117 printf("\n"); 118 119 ba.ba_iot = sc->sc_iot; 120 ba.ba_busnr = sc->sc_busnr; 121 ba.ba_dmat = sc->sc_dmat; 122 ba.ba_intcpu = sc->sc_intcpu; 123 ba.ba_icookie = sc; 124 /* 125 * Interrupt numbers. Assign them as described in 126 * VAX 8800 system maintenance manual; this means like nexus 127 * adapters have them assigned. 128 * XXX - must address Unibus adapters. 129 */ 130 for (nodenr = 0; nodenr < NNODEBI; nodenr++) { 131 if (bus_space_map(sc->sc_iot, sc->sc_addr + BI_NODE(nodenr), 132 BI_NODESIZE, 0, &ba.ba_ioh)) { 133 printf("bi_attach: bus_space_map failed, node %d\n", 134 nodenr); 135 return; 136 } 137 if (badaddr((caddr_t)ba.ba_ioh, 4) || 138 (bus_space_read_2(ba.ba_iot, ba.ba_ioh, 0) == 0)) { 139 bus_space_unmap(ba.ba_iot, ba.ba_ioh, BI_NODESIZE); 140 continue; 141 } 142 ba.ba_nodenr = nodenr; 143 ba.ba_ivec = sc->sc_lastiv + 64 + 4 * nodenr; /* all on spl5 */ 144 config_found(&sc->sc_dev, &ba, bi_print); 145 } 146 } 147