tcasic.c revision 1.38
1 /* $NetBSD: tcasic.c,v 1.38 2002/10/02 04:06:40 thorpej 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 1.38 2002/10/02 04:06:40 thorpej 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 #include <machine/alpha.h> 44 45 #include <dev/tc/tcvar.h> 46 #include <alpha/tc/tc_conf.h> 47 48 /* Definition of the driver for autoconfig. */ 49 int tcasicmatch(struct device *, struct cfdata *, void *); 50 void tcasicattach(struct device *, struct device *, void *); 51 52 CFATTACH_DECL(tcasic, sizeof (struct device), 53 tcasicmatch, tcasicattach, NULL, NULL); 54 55 extern struct cfdriver tcasic_cd; 56 57 int tcasicprint __P((void *, const char *)); 58 59 /* There can be only one. */ 60 int tcasicfound; 61 62 int 63 tcasicmatch(parent, cfdata, aux) 64 struct device *parent; 65 struct cfdata *cfdata; 66 void *aux; 67 { 68 struct mainbus_attach_args *ma = aux; 69 70 /* Make sure that we're looking for a TurboChannel ASIC. */ 71 if (strcmp(ma->ma_name, tcasic_cd.cd_name)) 72 return (0); 73 74 /* Make sure that the system supports a TurboChannel ASIC. */ 75 if ((cputype != ST_DEC_3000_500) && (cputype != ST_DEC_3000_300)) 76 return (0); 77 78 if (tcasicfound) 79 return (0); 80 81 return (1); 82 } 83 84 void 85 tcasicattach(parent, self, aux) 86 struct device *parent; 87 struct device *self; 88 void *aux; 89 { 90 struct tcbus_attach_args tba; 91 void (*intr_setup) __P((void)); 92 void (*iointr) __P((void *, unsigned long)); 93 94 printf("\n"); 95 tcasicfound = 1; 96 97 switch (cputype) { 98 #ifdef DEC_3000_500 99 case ST_DEC_3000_500: 100 101 intr_setup = tc_3000_500_intr_setup; 102 iointr = tc_3000_500_iointr; 103 104 tba.tba_speed = TC_SPEED_25_MHZ; 105 tba.tba_nslots = tc_3000_500_nslots; 106 tba.tba_slots = tc_3000_500_slots; 107 if (hwrpb->rpb_variation & SV_GRAPHICS) { 108 tba.tba_nbuiltins = tc_3000_500_graphics_nbuiltins; 109 tba.tba_builtins = tc_3000_500_graphics_builtins; 110 } else { 111 tba.tba_nbuiltins = tc_3000_500_nographics_nbuiltins; 112 tba.tba_builtins = tc_3000_500_nographics_builtins; 113 } 114 tba.tba_intr_evcnt = tc_3000_500_intr_evcnt; 115 tba.tba_intr_establish = tc_3000_500_intr_establish; 116 tba.tba_intr_disestablish = tc_3000_500_intr_disestablish; 117 tba.tba_get_dma_tag = tc_dma_get_tag_3000_500; 118 119 /* Do 3000/500-specific DMA setup now. */ 120 tc_dma_init_3000_500(tc_3000_500_nslots); 121 break; 122 #endif /* DEC_3000_500 */ 123 124 #ifdef DEC_3000_300 125 case ST_DEC_3000_300: 126 127 intr_setup = tc_3000_300_intr_setup; 128 iointr = tc_3000_300_iointr; 129 130 tba.tba_speed = TC_SPEED_12_5_MHZ; 131 tba.tba_nslots = tc_3000_300_nslots; 132 tba.tba_slots = tc_3000_300_slots; 133 tba.tba_nbuiltins = tc_3000_300_nbuiltins; 134 tba.tba_builtins = tc_3000_300_builtins; 135 tba.tba_intr_evcnt = tc_3000_300_intr_evcnt; 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)(); 152 153 /* They all come in at 0x800. */ 154 scb_set(0x800, iointr, NULL); 155 156 config_found(self, &tba, tcasicprint); 157 } 158 159 int 160 tcasicprint(aux, pnp) 161 void *aux; 162 const char *pnp; 163 { 164 165 /* only TCs can attach to tcasics; easy. */ 166 if (pnp) 167 printf("tc at %s", pnp); 168 return (UNCONF); 169 } 170 171 #include "wsdisplay.h" 172 173 #if NWSDISPLAY > 0 174 175 #include "sfb.h" 176 #include "sfbp.h" 177 #include "cfb.h" 178 #include "mfb.h" 179 #include "tfb.h" 180 #include "px.h" 181 #include "pxg.h" 182 183 extern void sfb_cnattach __P((tc_addr_t)); 184 extern void sfbp_cnattach __P((tc_addr_t)); 185 extern void cfb_cnattach __P((tc_addr_t)); 186 extern void mfb_cnattach __P((tc_addr_t)); 187 extern void tfb_cnattach __P((tc_addr_t)); 188 extern void px_cnattach __P((tc_addr_t)); 189 extern void pxg_cnattach __P((tc_addr_t)); 190 extern int tc_checkslot __P((tc_addr_t, char *)); 191 192 struct cnboards { 193 const char *cb_tcname; 194 void (*cb_cnattach)(tc_addr_t); 195 } static const cnboards[] = { 196 #if NSFB > 0 197 { "PMAGB-BA", sfb_cnattach }, 198 #endif 199 #if NSFBP > 0 200 { "PMAGD ", sfbp_cnattach }, 201 #endif 202 #if NCFB > 0 203 { "PMAG-BA ", cfb_cnattach }, 204 #endif 205 #if NMFB > 0 206 { "PMAG-AA ", mfb_cnattach }, 207 #endif 208 #if NTFB > 0 209 { "PMAG-JA ", tfb_cnattach }, 210 #endif 211 #if NPX > 0 212 { "PMAG-CA ", px_cnattach }, 213 #endif 214 #if NPXG > 0 215 { "PMAG-DA ", pxg_cnattach }, 216 { "PMAG-FA ", pxg_cnattach }, 217 { "PMAG-FB ", pxg_cnattach }, 218 { "PMAGB-FA", pxg_cnattach }, 219 { "PMAGB-FB", pxg_cnattach }, 220 #endif 221 }; 222 223 /* 224 * tc_fb_cnattach -- 225 * Attempt to attach the appropriate display driver to the 226 * output console. 227 */ 228 int 229 tc_fb_cnattach(tcaddr) 230 tc_addr_t tcaddr; 231 { 232 char tcname[TC_ROM_LLEN]; 233 int i; 234 235 if (tc_badaddr(tcaddr) || (tc_checkslot(tcaddr, tcname) == 0)) 236 return (EINVAL); 237 238 for (i = 0; i < sizeof(cnboards) / sizeof(cnboards[0]); i++) 239 if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0) 240 break; 241 242 if (i == sizeof(cnboards) / sizeof(cnboards[0])) 243 return (ENXIO); 244 245 (cnboards[i].cb_cnattach)(tcaddr); 246 return (0); 247 } 248 #endif /* if NWSDISPLAY > 0 */ 249
Indexes created Thu Oct 02 10:09:58 GMT 2025