1 /* $NetBSD: cmi.c,v 1.6 2002/10/02 16:02:35 thorpej Exp $ */ 2 /* 3 * Copyright (c) 1999 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 #include <sys/param.h> 34 #include <sys/device.h> 35 #include <sys/systm.h> 36 37 #include <machine/bus.h> 38 #include <machine/nexus.h> 39 #include <machine/cpu.h> 40 #include <machine/sid.h> 41 #include <machine/ka750.h> 42 43 static int cmi_print(void *, const char *); 44 static int cmi_match(struct device *, struct cfdata *, void *); 45 static void cmi_attach(struct device *, struct device *, void*); 46 47 CFATTACH_DECL(cmi, sizeof(struct device), 48 cmi_match, cmi_attach, NULL, NULL); 49 50 int 51 cmi_print(void *aux, const char *name) 52 { 53 struct sbi_attach_args *sa = (struct sbi_attach_args *)aux; 54 55 if (name) 56 printf("unknown device 0x%x at %s", sa->sa_type, name); 57 58 printf(" tr%d", sa->sa_nexnum); 59 return (UNCONF); 60 } 61 62 63 int 64 cmi_match(struct device *parent, struct cfdata *cf, void *aux) 65 { 66 if (vax_bustype == VAX_CMIBUS) 67 return 1; 68 return 0; 69 } 70 71 void 72 cmi_attach(struct device *parent, struct device *self, void *aux) 73 { 74 struct sbi_attach_args sa; 75 76 printf("\n"); 77 /* 78 * Probe for memory, can be in the first 4 slots. 79 */ 80 #define NEXPAGES (sizeof(struct nexus) / VAX_NBPG) 81 for (sa.sa_nexnum = 0; sa.sa_nexnum < 4; sa.sa_nexnum++) { 82 sa.sa_ioh = vax_map_physmem(NEX750 + 83 sizeof(struct nexus) * sa.sa_nexnum, NEXPAGES); 84 if (badaddr((caddr_t)sa.sa_ioh, 4)) { 85 vax_unmap_physmem((vaddr_t)sa.sa_ioh, NEXPAGES); 86 } else { 87 sa.sa_type = NEX_MEM16; 88 config_found(self, (void*)&sa, cmi_print); 89 } 90 } 91 92 /* 93 * Probe for mba's, can be in slot 4 - 7. 94 */ 95 for (sa.sa_nexnum = 4; sa.sa_nexnum < 7; sa.sa_nexnum++) { 96 sa.sa_ioh = vax_map_physmem(NEX750 + 97 sizeof(struct nexus) * sa.sa_nexnum, NEXPAGES); 98 if (badaddr((caddr_t)sa.sa_ioh, 4)) { 99 vax_unmap_physmem((vaddr_t)sa.sa_ioh, NEXPAGES); 100 } else { 101 sa.sa_type = NEX_MBA; 102 config_found(self, (void*)&sa, cmi_print); 103 } 104 } 105 106 /* 107 * There are always one generic UBA, and maybe an optional. 108 */ 109 sa.sa_nexnum = 8; 110 sa.sa_ioh = vax_map_physmem(NEX750 + 111 sizeof(struct nexus) * sa.sa_nexnum, NEXPAGES); 112 sa.sa_type = NEX_UBA0; 113 config_found(self, (void*)&sa, cmi_print); 114 115 sa.sa_nexnum = 9; 116 sa.sa_ioh = vax_map_physmem(NEX750 + 117 sizeof(struct nexus) * sa.sa_nexnum, NEXPAGES); 118 sa.sa_type = NEX_UBA1; 119 if (badaddr((caddr_t)sa.sa_ioh, 4)) 120 vax_unmap_physmem((vaddr_t)sa.sa_ioh, NEXPAGES); 121 else 122 config_found(self, (void*)&sa, cmi_print); 123 } 124