tcasic.c revision 1.24
1 /* $NetBSD: tcasic.c,v 1.24 1998/10/22 01:03:09 briggs Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #include "opt_dec_3000_300.h" 31 #include "opt_dec_3000_500.h" 32 33 #include <sys/cdefs.h> /* RCS ID & Copyright macro defns */ 34 35 __KERNEL_RCSID(0, "$NetBSD: tcasic.c,v 1.24 1998/10/22 01:03:09 briggs Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/device.h> 40 41 #include <machine/autoconf.h> 42 #include <machine/rpb.h> 43 44 #include <dev/tc/tcvar.h> 45 #include <alpha/tc/tc_conf.h> 46 47 /* Definition of the driver for autoconfig. */ 48 int tcasicmatch(struct device *, struct cfdata *, void *); 49 void tcasicattach(struct device *, struct device *, void *); 50 51 struct cfattach tcasic_ca = { 52 sizeof (struct device), tcasicmatch, tcasicattach, 53 }; 54 55 extern struct cfdriver tcasic_cd; 56 57 int tcasicprint __P((void *, const char *)); 58 59 extern int cputype; 60 61 /* There can be only one. */ 62 int tcasicfound; 63 64 int 65 tcasicmatch(parent, cfdata, aux) 66 struct device *parent; 67 struct cfdata *cfdata; 68 void *aux; 69 { 70 struct mainbus_attach_args *ma = aux; 71 72 /* Make sure that we're looking for a TurboChannel ASIC. */ 73 if (strcmp(ma->ma_name, tcasic_cd.cd_name)) 74 return (0); 75 76 /* Make sure that the system supports a TurboChannel ASIC. */ 77 if ((cputype != ST_DEC_3000_500) && (cputype != ST_DEC_3000_300)) 78 return (0); 79 80 if (tcasicfound) 81 return (0); 82 83 return (1); 84 } 85 86 void 87 tcasicattach(parent, self, aux) 88 struct device *parent; 89 struct device *self; 90 void *aux; 91 { 92 struct tcbus_attach_args tba; 93 void (*intr_setup) __P((void)); 94 void (*iointr) __P((void *, unsigned long)); 95 96 printf("\n"); 97 tcasicfound = 1; 98 99 switch (cputype) { 100 #ifdef DEC_3000_500 101 case ST_DEC_3000_500: 102 103 intr_setup = tc_3000_500_intr_setup; 104 iointr = tc_3000_500_iointr; 105 106 tba.tba_speed = TC_SPEED_25_MHZ; 107 tba.tba_nslots = tc_3000_500_nslots; 108 tba.tba_slots = tc_3000_500_slots; 109 if (hwrpb->rpb_variation & SV_GRAPHICS) { 110 tba.tba_nbuiltins = tc_3000_500_graphics_nbuiltins; 111 tba.tba_builtins = tc_3000_500_graphics_builtins; 112 } else { 113 tba.tba_nbuiltins = tc_3000_500_nographics_nbuiltins; 114 tba.tba_builtins = tc_3000_500_nographics_builtins; 115 } 116 tba.tba_intr_establish = tc_3000_500_intr_establish; 117 tba.tba_intr_disestablish = tc_3000_500_intr_disestablish; 118 tba.tba_get_dma_tag = tc_dma_get_tag_3000_500; 119 120 /* Do 3000/500-specific DMA setup now. */ 121 tc_dma_init_3000_500(tc_3000_500_nslots); 122 break; 123 #endif /* DEC_3000_500 */ 124 125 #ifdef DEC_3000_300 126 case ST_DEC_3000_300: 127 128 intr_setup = tc_3000_300_intr_setup; 129 iointr = tc_3000_300_iointr; 130 131 tba.tba_speed = TC_SPEED_12_5_MHZ; 132 tba.tba_nslots = tc_3000_300_nslots; 133 tba.tba_slots = tc_3000_300_slots; 134 tba.tba_nbuiltins = tc_3000_300_nbuiltins; 135 tba.tba_builtins = tc_3000_300_builtins; 136 tba.tba_intr_establish = tc_3000_300_intr_establish; 137 tba.tba_intr_disestablish = tc_3000_300_intr_disestablish; 138 tba.tba_get_dma_tag = tc_dma_get_tag_3000_300; 139 break; 140 #endif /* DEC_3000_300 */ 141 142 default: 143 panic("tcasicattach: bad cputype"); 144 } 145 146 tba.tba_busname = "tc"; 147 tba.tba_memt = tc_bus_mem_init(NULL); 148 149 tc_dma_init(); 150 151 (*intr_setup)(); 152 set_iointr(iointr); 153 154 config_found(self, &tba, tcasicprint); 155 } 156 157 int 158 tcasicprint(aux, pnp) 159 void *aux; 160 const char *pnp; 161 { 162 163 /* only TCs can attach to tcasics; easy. */ 164 if (pnp) 165 printf("tc at %s", pnp); 166 return (UNCONF); 167 } 168 169 #include "wsdisplay.h" 170 171 #if NWSDISPLAY > 0 172 173 #include "cfb.h" 174 #include "sfb.h" 175 #include <alpha/tc/sfbvar.h> 176 #include <alpha/tc/cfbvar.h> 177 178 extern int tc_checkslot __P((tc_addr_t, char *)); 179 180 /* 181 * tc_fb_cnattach -- 182 * Attempt to attach the appropriate display driver to the 183 * output console. 184 */ 185 int 186 tc_fb_cnattach(tcaddr) 187 tc_addr_t tcaddr; 188 { 189 char tcname[TC_ROM_LLEN]; 190 191 if (tc_badaddr(tcaddr) || (tc_checkslot(tcaddr, tcname) == 0)) { 192 return 0; 193 } 194 195 #if NSFB > 0 196 if (strncmp("PMAGB-BA", tcname, TC_ROM_LLEN) == 0) { 197 sfb_cnattach(tcaddr); 198 return 1; 199 } 200 #endif 201 #if NCFB > 0 202 if (strncmp("PMAG-BA ", tcname, TC_ROM_LLEN) == 0) { 203 cfb_cnattach(tcaddr); 204 return 1; 205 } 206 #endif 207 return 0; 208 } 209 #endif /* if NWSDISPLAY > 0 */ 210
Indexes created Thu Oct 02 10:09:58 GMT 2025