scsirom.c revision 1.3.2.1
1 1.3.2.1 perry /* $NetBSD: scsirom.c,v 1.3.2.1 1999/04/22 15:24:31 perry Exp $ */ 2 1.2 minoura 3 1.3.2.1 perry /*- 4 1.2 minoura * Copyright (c) 1999 NetBSD Foundation, Inc. 5 1.2 minoura * All rights reserved. 6 1.2 minoura * 7 1.3.2.1 perry * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.1 perry * by Minoura Makoto. 9 1.3.2.1 perry * 10 1.2 minoura * Redistribution and use in source and binary forms, with or without 11 1.2 minoura * modification, are permitted provided that the following conditions 12 1.2 minoura * are met: 13 1.2 minoura * 1. Redistributions of source code must retain the above copyright 14 1.2 minoura * notice, this list of conditions and the following disclaimer. 15 1.2 minoura * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 minoura * notice, this list of conditions and the following disclaimer in the 17 1.2 minoura * documentation and/or other materials provided with the distribution. 18 1.2 minoura * 3. All advertising materials mentioning features or use of this software 19 1.2 minoura * must display the following acknowledgement: 20 1.2 minoura * This product includes software developed by Charles D. Cranor and 21 1.2 minoura * Washington University. 22 1.2 minoura * 4. The name of the author may not be used to endorse or promote products 23 1.2 minoura * derived from this software without specific prior written permission. 24 1.2 minoura * 25 1.2 minoura * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 26 1.2 minoura * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 27 1.2 minoura * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28 1.2 minoura * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 29 1.2 minoura * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 30 1.2 minoura * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31 1.2 minoura * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32 1.2 minoura * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 1.2 minoura * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 1.2 minoura * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 1.2 minoura */ 36 1.2 minoura 37 1.2 minoura /* 38 1.2 minoura * SCSI BIOS ROM. 39 1.2 minoura * Used to probe the board. 40 1.2 minoura */ 41 1.2 minoura 42 1.2 minoura #include <sys/param.h> 43 1.2 minoura #include <sys/systm.h> 44 1.2 minoura #include <sys/device.h> 45 1.2 minoura 46 1.2 minoura #include <machine/bus.h> 47 1.2 minoura #include <machine/cpu.h> 48 1.2 minoura 49 1.2 minoura #include <arch/x68k/dev/intiovar.h> 50 1.2 minoura #include <arch/x68k/dev/scsiromvar.h> 51 1.2 minoura 52 1.2 minoura struct { 53 1.2 minoura paddr_t addr, devaddr; 54 1.2 minoura int intr; 55 1.2 minoura const char id[7]; 56 1.2 minoura } scsirom_descr[] = {{ 57 1.2 minoura 0x00fc0000, 0x00e96020, 108, "SCSIIN" 58 1.2 minoura }, { 59 1.2 minoura 0x00ea0020, 0x00ea0000, 246, "SCSIEX" 60 1.2 minoura }}; 61 1.2 minoura 62 1.2 minoura #define SCSIROM_ID 0x24 63 1.2 minoura 64 1.2 minoura /* 65 1.2 minoura * autoconf stuff 66 1.2 minoura */ 67 1.2 minoura static int scsirom_find __P((struct device *, struct intio_attach_args *)); 68 1.2 minoura static int scsirom_match __P((struct device *, struct cfdata *, void *)); 69 1.2 minoura static void scsirom_attach __P((struct device *, struct device *, void *)); 70 1.2 minoura 71 1.2 minoura struct cfattach scsirom_ca = { 72 1.2 minoura sizeof(struct scsirom_softc), scsirom_match, scsirom_attach 73 1.2 minoura }; 74 1.2 minoura 75 1.2 minoura static int 76 1.2 minoura scsirom_find (parent, ia) 77 1.2 minoura struct device *parent; 78 1.2 minoura struct intio_attach_args *ia; 79 1.2 minoura { 80 1.2 minoura bus_space_handle_t ioh; 81 1.2 minoura char buf[10]; 82 1.2 minoura int which; 83 1.2 minoura int r = -1; 84 1.2 minoura 85 1.2 minoura if (ia->ia_addr == scsirom_descr[INTERNAL].addr) 86 1.2 minoura which = INTERNAL; 87 1.2 minoura else if (ia->ia_addr == scsirom_descr[EXTERNAL].addr) 88 1.2 minoura which = EXTERNAL; 89 1.2 minoura else 90 1.2 minoura return -1; 91 1.2 minoura 92 1.2 minoura ia->ia_size = 0x1fe0; 93 1.2 minoura if (intio_map_allocate_region (parent, ia, INTIO_MAP_TESTONLY)) 94 1.2 minoura return -1; 95 1.2 minoura 96 1.2 minoura if (bus_space_map (ia->ia_bst, ia->ia_addr, ia->ia_size, 0, &ioh) < 0) 97 1.2 minoura return -1; 98 1.3.2.1 perry if (badaddr ((caddr_t)INTIO_ADDR(ia->ia_addr+SCSIROM_ID))) { 99 1.3.2.1 perry bus_space_unmap (ia->ia_bst, ioh, ia->ia_size); 100 1.3.2.1 perry return -1; 101 1.3.2.1 perry } 102 1.2 minoura if (memcmp(buf, scsirom_descr[which].id, 6) == 0) 103 1.2 minoura r = which; 104 1.2 minoura bus_space_unmap (ia->ia_bst, ioh, ia->ia_size); 105 1.2 minoura 106 1.2 minoura return r; 107 1.2 minoura } 108 1.2 minoura 109 1.2 minoura static int 110 1.2 minoura scsirom_match(parent, cf, aux) 111 1.2 minoura struct device *parent; 112 1.2 minoura struct cfdata *cf; 113 1.2 minoura void *aux; 114 1.2 minoura { 115 1.2 minoura struct intio_attach_args *ia = aux; 116 1.2 minoura int r; 117 1.2 minoura 118 1.2 minoura if (strcmp (ia->ia_name, "scsirom") != 0) 119 1.2 minoura return 0; 120 1.2 minoura 121 1.2 minoura if (ia->ia_addr == INTIOCF_ADDR_DEFAULT) { 122 1.2 minoura ia->ia_addr = scsirom_descr[0].addr; 123 1.2 minoura r = scsirom_find (parent, ia); 124 1.2 minoura if (r == INTERNAL) 125 1.2 minoura return 1; 126 1.2 minoura ia->ia_addr = scsirom_descr[1].addr; 127 1.2 minoura r = scsirom_find (parent, ia); 128 1.2 minoura if (r == EXTERNAL) 129 1.2 minoura return 1; 130 1.2 minoura return 0; 131 1.2 minoura } else if (scsirom_find(parent, ia) >= 0) 132 1.2 minoura return 1; 133 1.2 minoura else 134 1.2 minoura return 0; 135 1.2 minoura } 136 1.2 minoura 137 1.2 minoura static void 138 1.2 minoura scsirom_attach(parent, self, aux) 139 1.2 minoura struct device *parent, *self; 140 1.2 minoura void *aux; 141 1.2 minoura { 142 1.2 minoura struct scsirom_softc *sc = (struct scsirom_softc *)self; 143 1.2 minoura struct intio_attach_args *ia = aux; 144 1.2 minoura int r; 145 1.2 minoura struct cfdata *cf; 146 1.2 minoura 147 1.2 minoura sc->sc_addr = ia->ia_addr; 148 1.2 minoura sc->sc_which = scsirom_find (parent, ia); 149 1.2 minoura #ifdef DIAGNOSTIC 150 1.2 minoura if (sc->sc_which < 0) 151 1.2 minoura panic ("SCSIROM curruption??"); 152 1.2 minoura #endif 153 1.2 minoura r = intio_map_allocate_region (parent, ia, INTIO_MAP_ALLOCATE); 154 1.2 minoura #ifdef DIAGNOSTIC 155 1.2 minoura if (r) 156 1.2 minoura panic ("IO map for SCSIROM corruption??"); 157 1.2 minoura #endif 158 1.2 minoura 159 1.2 minoura ia->ia_addr = scsirom_descr[sc->sc_which].devaddr; 160 1.2 minoura if (ia->ia_intr == INTIOCF_INTR_DEFAULT) 161 1.2 minoura ia->ia_intr = scsirom_descr[sc->sc_which].intr; 162 1.2 minoura 163 1.2 minoura if (sc->sc_which == INTERNAL) 164 1.3 minoura printf (": On-board at %p\n", (void*)ia->ia_addr); 165 1.2 minoura else 166 1.3 minoura printf (": External at %p\n", (void*)ia->ia_addr); 167 1.2 minoura 168 1.2 minoura cf = config_search (NULL, self, ia); 169 1.2 minoura if (cf) { 170 1.2 minoura config_attach(self, cf, ia, NULL); 171 1.2 minoura } else { 172 1.2 minoura printf ("%s: no matching device; ignored.\n", 173 1.2 minoura self->dv_xname); 174 1.2 minoura } 175 1.2 minoura 176 1.2 minoura return; 177 1.2 minoura } 178
Indexes created Sun Nov 02 07:10:05 GMT 2025