1 /* $NetBSD: bi.c,v 1.24 2008/03/11 05:34:01 matt 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/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: bi.c,v 1.24 2008/03/11 05:34:01 matt Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 49 #include <sys/bus.h> 50 #include <sys/cpu.h> 51 52 #include <dev/bi/bireg.h> 53 #include <dev/bi/bivar.h> 54 55 static int bi_print(void *, const char *); 56 57 static const struct bi_list bi_list[] = { 58 {BIDT_MS820, DT_HAVDRV, "ms820"}, 59 {BIDT_DRB32, DT_UNSUPP, "drb32"}, 60 {BIDT_DWBUA, DT_HAVDRV|DT_ADAPT, "dwbua"}, 61 {BIDT_KLESI, DT_HAVDRV|DT_ADAPT, "klesi"}, 62 {BIDT_KA820, DT_HAVDRV, "ka820"}, 63 {BIDT_DB88, DT_HAVDRV|DT_QUIET, "db88"}, 64 {BIDT_CIBCA, DT_UNSUPP, "cibca"}, 65 {BIDT_DMB32, DT_UNSUPP, "dmb32"}, 66 {BIDT_CIBCI, DT_UNSUPP, "cibci"}, 67 {BIDT_KA800, DT_UNSUPP, "ka800"}, 68 {BIDT_KDB50, DT_HAVDRV|DT_VEC, "kdb50"}, 69 {BIDT_DWMBA, DT_HAVDRV|DT_QUIET, "dwmba"}, 70 {BIDT_KFBTA, DT_UNSUPP, "kfbta"}, 71 {BIDT_DEBNK, DT_HAVDRV|DT_VEC, "debnk"}, 72 {BIDT_DEBNA, DT_HAVDRV|DT_VEC, "debna"}, 73 {0,0,0} 74 }; 75 76 int 77 bi_print(void *aux, const char *name) 78 { 79 struct bi_attach_args *ba = aux; 80 const struct bi_list *bl; 81 u_int16_t nr; 82 83 nr = bus_space_read_2(ba->ba_iot, ba->ba_ioh, 0); 84 for (bl = &bi_list[0]; bl->bl_nr; bl++) 85 if (bl->bl_nr == nr) 86 break; 87 88 if (name) { 89 if (bl->bl_nr == 0) 90 aprint_normal("unknown device 0x%x", nr); 91 else 92 aprint_normal(bl->bl_name); 93 aprint_normal(" at %s", name); 94 } 95 aprint_normal(" node %d", ba->ba_nodenr); 96 if (bl->bl_havedriver & DT_VEC) 97 aprint_normal(" vec %o", ba->ba_ivec & 511); 98 #ifdef DEBUG 99 if (bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR) && 100 bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR)) 101 aprint_debug(" [sadr %x eadr %x]", 102 bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR), 103 bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR)); 104 #endif 105 if (bl->bl_havedriver & DT_QUIET) 106 aprint_normal("\n"); 107 return bl->bl_havedriver & DT_QUIET ? QUIET : 108 bl->bl_havedriver & DT_HAVDRV ? UNCONF : UNSUPP; 109 } 110 111 void 112 bi_attach(struct bi_softc *sc) 113 { 114 struct bi_attach_args ba; 115 int nodenr; 116 117 aprint_normal("\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 aprint_error_dev(sc->sc_dev, 134 "bus_space_map failed, node %d\n", nodenr); 135 return; 136 } 137 if (badaddr((void *)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