tcasic.c revision 1.48
1 /* $NetBSD: tcasic.c,v 1.48 2020/09/22 15:24:02 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 1.48 2020/09/22 15:24:02 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(device_t, cfdata_t, void *); 50 void tcasicattach(device_t, device_t, void *); 51 52 CFATTACH_DECL_NEW(tcasic, 0, 53 tcasicmatch, tcasicattach, NULL, NULL); 54 55 extern struct cfdriver tcasic_cd; 56 57 int tcasicprint(void *, const char *); 58 59 /* There can be only one. */ 60 int tcasicfound; 61 62 int 63 tcasicmatch(device_t parent, cfdata_t cf, void *aux) 64 { 65 struct mainbus_attach_args *ma = aux; 66 67 /* Make sure that we're looking for a TURBOchannel ASIC. */ 68 if (strcmp(ma->ma_name, tcasic_cd.cd_name)) 69 return (0); 70 71 /* Make sure that the system supports a TURBOchannel ASIC. */ 72 if ((cputype != ST_DEC_3000_500) && (cputype != ST_DEC_3000_300)) 73 return (0); 74 75 if (tcasicfound) 76 return (0); 77 78 return (1); 79 } 80 81 void 82 tcasicattach(device_t parent, device_t self, void *aux) 83 { 84 struct tcbus_attach_args tba; 85 void (*intr_setup)(void); 86 void (*iointr)(void *, unsigned long); 87 88 printf("\n"); 89 tcasicfound = 1; 90 91 switch (cputype) { 92 #ifdef DEC_3000_500 93 case ST_DEC_3000_500: 94 95 intr_setup = tc_3000_500_intr_setup; 96 iointr = tc_3000_500_iointr; 97 98 tba.tba_speed = TC_SPEED_25_MHZ; 99 tba.tba_nslots = tc_3000_500_nslots; 100 tba.tba_slots = tc_3000_500_slots; 101 if (hwrpb->rpb_variation & SV_GRAPHICS) { 102 tba.tba_nbuiltins = tc_3000_500_graphics_nbuiltins; 103 tba.tba_builtins = tc_3000_500_graphics_builtins; 104 } else { 105 tba.tba_nbuiltins = tc_3000_500_nographics_nbuiltins; 106 tba.tba_builtins = tc_3000_500_nographics_builtins; 107 } 108 tba.tba_intr_evcnt = tc_3000_500_intr_evcnt; 109 tba.tba_intr_establish = tc_3000_500_intr_establish; 110 tba.tba_intr_disestablish = tc_3000_500_intr_disestablish; 111 tba.tba_get_dma_tag = tc_dma_get_tag_3000_500; 112 113 /* Do 3000/500-specific DMA setup now. */ 114 tc_dma_init_3000_500(tc_3000_500_nslots); 115 break; 116 #endif /* DEC_3000_500 */ 117 118 #ifdef DEC_3000_300 119 case ST_DEC_3000_300: 120 121 intr_setup = tc_3000_300_intr_setup; 122 iointr = tc_3000_300_iointr; 123 124 tba.tba_speed = TC_SPEED_12_5_MHZ; 125 tba.tba_nslots = tc_3000_300_nslots; 126 tba.tba_slots = tc_3000_300_slots; 127 tba.tba_nbuiltins = tc_3000_300_nbuiltins; 128 tba.tba_builtins = tc_3000_300_builtins; 129 tba.tba_intr_evcnt = tc_3000_300_intr_evcnt; 130 tba.tba_intr_establish = tc_3000_300_intr_establish; 131 tba.tba_intr_disestablish = tc_3000_300_intr_disestablish; 132 tba.tba_get_dma_tag = tc_dma_get_tag_3000_300; 133 break; 134 #endif /* DEC_3000_300 */ 135 136 default: 137 panic("tcasicattach: bad cputype"); 138 } 139 140 tba.tba_busname = "tc"; 141 tba.tba_memt = tc_bus_mem_init(NULL); 142 143 tc_dma_init(); 144 145 (*intr_setup)(); 146 147 /* They all come in at 0x800. */ 148 scb_set(0x800, iointr, NULL); 149 150 config_found(self, &tba, tcasicprint); 151 } 152 153 int 154 tcasicprint(void *aux, const char *pnp) 155 { 156 157 /* only TCs can attach to tcasics; easy. */ 158 if (pnp) 159 aprint_normal("tc at %s", pnp); 160 return (UNCONF); 161 } 162 163 #include "wsdisplay.h" 164 165 #if NWSDISPLAY > 0 166 167 #include "sfb.h" 168 #include "sfbp.h" 169 #include "cfb.h" 170 #include "mfb.h" 171 #include "tfb.h" 172 #include "px.h" 173 #include "pxg.h" 174 175 extern void sfb_cnattach(tc_addr_t); 176 extern void sfbp_cnattach(tc_addr_t); 177 extern void cfb_cnattach(tc_addr_t); 178 extern void mfb_cnattach(tc_addr_t); 179 extern void tfb_cnattach(tc_addr_t); 180 extern void px_cnattach(tc_addr_t); 181 extern void pxg_cnattach(tc_addr_t); 182 183 struct cnboards { 184 const char *cb_tcname; 185 void (*cb_cnattach)(tc_addr_t); 186 } static const cnboards[] = { 187 #if NSFB > 0 188 { "PMAGB-BA", sfb_cnattach }, 189 #endif 190 #if NSFBP > 0 191 { "PMAGD ", sfbp_cnattach }, 192 #endif 193 #if NCFB > 0 194 { "PMAG-BA ", cfb_cnattach }, 195 #endif 196 #if NMFB > 0 197 { "PMAG-AA ", mfb_cnattach }, 198 #endif 199 #if NTFB > 0 200 { "PMAG-JA ", tfb_cnattach }, 201 #endif 202 #if NPX > 0 203 { "PMAG-CA ", px_cnattach }, 204 #endif 205 #if NPXG > 0 206 { "PMAG-DA ", pxg_cnattach }, 207 { "PMAG-FA ", pxg_cnattach }, 208 { "PMAG-FB ", pxg_cnattach }, 209 { "PMAGB-FA", pxg_cnattach }, 210 { "PMAGB-FB", pxg_cnattach }, 211 #endif 212 }; 213 214 /* 215 * tc_fb_cnattach -- 216 * Attempt to attach the appropriate display driver to the 217 * output console. 218 */ 219 int 220 tc_fb_cnattach(tc_addr_t tcaddr) 221 { 222 char tcname[TC_ROM_LLEN]; 223 int i; 224 225 if (tc_badaddr(tcaddr) || (tc_checkslot(tcaddr, tcname, NULL) == 0)) 226 return (EINVAL); 227 228 for (i = 0; i < sizeof(cnboards) / sizeof(cnboards[0]); i++) 229 if (strncmp(tcname, cnboards[i].cb_tcname, TC_ROM_LLEN) == 0) 230 break; 231 232 if (i == sizeof(cnboards) / sizeof(cnboards[0])) 233 return (ENXIO); 234 235 (cnboards[i].cb_cnattach)(tcaddr); 236 return (0); 237 } 238 #endif /* if NWSDISPLAY > 0 */ 239
Indexes created Thu Oct 02 10:09:58 GMT 2025