1 /* $NetBSD: bi.c,v 1.14 2000/03/26 11:45:04 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, 1, "ms820"}, 56 {BIDT_DRB32, 0, "drb32"}, 57 {BIDT_DWBUA, 0, "dwbua"}, 58 {BIDT_KLESI, 0, "klesi"}, 59 {BIDT_KA820, 1, "ka820"}, 60 {BIDT_DB88, 0, "db88"}, 61 {BIDT_CIBCA, 0, "cibca"}, 62 {BIDT_DMB32, 0, "dmb32"}, 63 {BIDT_CIBCI, 0, "cibci"}, 64 {BIDT_KA800, 0, "ka800"}, 65 {BIDT_KDB50, 0, "kdb50"}, 66 {BIDT_DWMBA, 0, "dwmba"}, 67 {BIDT_KFBTA, 0, "kfbta"}, 68 {BIDT_DEBNK, 0, "debnk"}, 69 {BIDT_DEBNA, 0, "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 81 for (bl = &bi_list[0]; bl->bl_nr; bl++) 82 if (bl->bl_nr == bus_space_read_2(ba->ba_iot, ba->ba_ioh, 0)) 83 break; 84 85 if (name) { 86 if (bl->bl_nr == 0) 87 printf("unknown device 0x%x", 88 bus_space_read_2(ba->ba_iot, ba->ba_ioh, 0)); 89 else 90 printf(bl->bl_name); 91 printf(" at %s", name); 92 } 93 printf(" node %d", ba->ba_nodenr); 94 #ifdef DEBUG 95 if (bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR) && 96 bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR)) 97 printf(" [sadr %x eadr %x]", 98 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 #endif 101 return bl->bl_havedriver ? UNCONF : UNSUPP; 102 } 103 104 static int lastiv = 0; 105 106 void 107 bi_attach(sc) 108 struct bi_softc *sc; 109 { 110 struct bi_attach_args ba; 111 int nodenr; 112 113 printf("\n"); 114 115 ba.ba_iot = sc->sc_iot; 116 ba.ba_busnr = sc->sc_busnr; 117 ba.ba_dmat = sc->sc_dmat; 118 ba.ba_intcpu = sc->sc_intcpu; 119 /* 120 * Interrupt numbers. All vectors from 256-512 are free, use 121 * them for BI devices and just count them up. 122 * Above 512 are only interrupt vectors for unibus devices. 123 */ 124 for (nodenr = 0; nodenr < NNODEBI; nodenr++) { 125 if (bus_space_map(sc->sc_iot, sc->sc_addr + BI_NODE(nodenr), 126 NODESIZE, 0, &ba.ba_ioh)) { 127 printf("bi_attach: bus_space_map failed, node %d\n", 128 nodenr); 129 return; 130 } 131 if (badaddr((caddr_t)ba.ba_ioh, 4)) { 132 bus_space_unmap(sc->sc_iot, ba.ba_ioh, NODESIZE); 133 continue; 134 } 135 ba.ba_nodenr = nodenr; 136 ba.ba_ivec = 256 + lastiv; 137 lastiv += 4; 138 config_found(&sc->sc_dev, &ba, bi_print); 139 } 140 } 141