1 /* $NetBSD: zbus.c,v 1.76 2021/04/27 14:48:28 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Christian E. Hopps 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Christian E. Hopps. 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/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: zbus.c,v 1.76 2021/04/27 14:48:28 thorpej Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/device.h> 38 #include <sys/systm.h> 39 #include <sys/bus.h> 40 41 #include <machine/cpu.h> 42 #include <machine/pte.h> 43 #include <amiga/amiga/cfdev.h> 44 #include <amiga/amiga/device.h> 45 #include <amiga/dev/zbusvar.h> 46 #include <amiga/dev/z3rambdvar.h> 47 48 #include "z3rambd.h" 49 50 struct aconfdata { 51 const char *name; 52 int manid; 53 int prodid; 54 }; 55 56 struct preconfdata { 57 int manid; 58 int prodid; 59 void *vaddr; 60 }; 61 62 struct quirksdata { 63 int manid; 64 int prodid; 65 uint8_t quirks; 66 }; 67 68 vaddr_t ZTWOROMADDR; 69 vaddr_t ZTWOMEMADDR; 70 u_int NZTWOMEMPG; 71 vaddr_t ZBUSADDR; /* kva of Zorro bus I/O pages */ 72 u_int ZBUSAVAIL; /* bytes of Zorro bus I/O space left */ 73 74 /* 75 * explain the names.. 0123456789 => zothfisven 76 */ 77 static const struct aconfdata aconftab[] = { 78 /* Commodore Amiga */ 79 { "atzee", 513, 1 }, 80 { "atzsc", 514, 2 }, 81 { "atzsc", 514, 3 }, 82 { "bah", 514, 9 }, /* A2060 */ 83 { "ql", 514, 69 }, 84 { "ql", 514, 70 }, 85 { "atfsc", 514, 84 }, 86 { "le", 514, 112 }, 87 /* Ameristar */ 88 { "le", 1053, 1 }, 89 { "bah", 1053, 9 }, /* A2060 */ 90 { "es", 1053, 10 }, 91 /* University of Lowell */ 92 { "grful", 1030, 0 }, 93 /* DMI */ 94 { "grfrs", 2129, 1 }, /* Resolver graphics board */ 95 /* Macrosystems */ 96 { "grfrt", 18260, 6 }, 97 { "grfrh", 18260, 16}, /* Retina BLT Z3 */ 98 { "grfrh", 18260, 19}, /* Altais */ 99 /* Greater valley products */ 100 { "gvpbus", 2017, 2 }, 101 { "gvpbus", 2017, 11 }, 102 { "giv", 2017, 32 }, 103 { "gio", 2017, 255 }, 104 /* progressive perhiperals */ 105 { "zssc", 2026, 150 }, 106 { "ppia", 2026, 187 }, 107 { "ppta", 2026, 105 }, 108 { "ppha", 2026, 1 }, 109 { "mrsc", 2026, 0 }, 110 /* CSA */ 111 { "mgnsc", 1058, 17 }, 112 { "otgsc", 1058, 21 }, 113 /* Microbotics */ 114 { "vhzsc", 1010, 69 }, 115 /* Supra */ 116 { "wstsc", 1056, 12 }, 117 { "wstsc", 1056, 13 }, 118 /* IVS */ 119 { "itrmp", 2112, 48 }, 120 { "itrmp", 2112, 52 }, 121 { "ivasc", 2112, 242 }, 122 { "ivsc", 2112, 243 }, 123 /* Hydra */ 124 { "ed", 2121, 1 }, 125 /* ASDG */ 126 { "ed", 1023, 254 }, 127 /* Village Tronic Ariadne */ 128 { "le", 2167, 201}, 129 /* Village Tronic Ariadne II */ 130 { "ne", 2167, 202}, 131 /* bsc/Alf Data */ 132 { "Tandem", 2092, 6 }, /* Tandem AT disk controller */ 133 { "mfc", 2092, 16 }, 134 { "mfc", 2092, 17 }, 135 { "mfc", 2092, 18 }, 136 /* Cirrus CL GD 5426 -> Picasso, Piccolo, EGS Spectrum */ 137 { "grfcl", 2167, 11}, /* PicassoII mem */ 138 { "grfcl", 2167, 12}, /* PicassoII regs */ 139 { "grfcl", 2167, 21}, /* PicassoIV Z2 mem1 */ 140 { "grfcl", 2167, 22}, /* PicassoIV Z2 mem2 */ 141 { "grfcl", 2167, 23}, /* PicassoIV Z2 regs */ 142 { "grfcl", 2167, 24}, /* PicassoIV Z3 */ 143 { "grfcl", 2193, 2}, /* Spectrum mem */ 144 { "grfcl", 2193, 1}, /* Spectrum regs */ 145 { "grfcl", 2195, 5}, /* Piccolo mem */ 146 { "grfcl", 2195, 6}, /* Piccolo regs */ 147 { "grfcl", 2195, 10}, /* Piccolo SD64 mem */ 148 { "grfcl", 2195, 11}, /* Piccolo SD64 regs */ 149 /* MacroSystemsUS */ 150 { "wesc", 2203, 19}, /* Warp engine */ 151 /* phase 5 digital products */ 152 { "flmem", 8512, 10}, /* FastlaneZ3 memory */ 153 { "flsc", 8512, 11}, /* FastlaneZ3 */ 154 { "cbsc", 8512, 12}, /* Cyberstorm Mk I SCSI */ 155 { "bzivsc", 8512, 17}, /* Blizzard IV SCSI */ 156 { "bztzsc", 8512, 24}, /* Blizzard 2060 SCSI */ 157 { "cbiisc", 8512, 25}, /* Cyberstorm Mk II SCSI */ 158 { "grfcv", 8512, 34}, /* CyberVison 64 */ 159 { "grfcv3d", 8512, 67}, /* CyberVison 64/3D */ 160 { "cbiiisc", 8512, 100}, /* Cyberstorm Mk III SCSI */ 161 { "p5pb", 8512, 101}, /* CyberVisionPPC / BlizzardVisionPPC */ 162 { "bppcsc", 8512, 110}, /* Blizzard 603e+ SCSI */ 163 /* Hacker Inc. */ 164 { "mlhsc", 2011, 1 }, 165 /* Resource Management Force */ 166 { "qn", 2011, 2 }, /* QuickNet Ethernet */ 167 /* ??? */ 168 { "empsc", 2171, 21 }, /* Emplant SCSI */ 169 { "empsc", 2171, 32 }, /* Emplant SCSI */ 170 /* Tseng ET4000 boards */ 171 { "grfet", 2117, 3 }, /* Merlin mem */ 172 { "grfet", 2117, 4 }, /* Merlin regs */ 173 { "grfet", 2167, 1 }, /* Domino mem */ 174 { "grfet", 2167, 2 }, /* Domino regs */ 175 { "grfet", 2167, 3 }, /* Domino regs (proto 16M) */ 176 { "grfet", 2181, 0 }, /* oMniBus */ 177 /* Advanced Systems */ 178 { "nxsc", 2102, 1 }, /* Nexus SCSI board */ 179 /* Masoboshi */ 180 { "mcsc", 8535, 4 }, /* Masoboshi Mastercard 702 */ 181 /* Apollo */ 182 { "apssc", 8738, 35 }, /* Apollo '060 scsi */ 183 /* KATO development */ 184 { "aumld", 2145, 128 }, /* Melody MPEG layer 2 audio board */ 185 /* Individual Computers Jens Schoenfeld */ 186 { "buddha", 4626, 0 }, 187 { "xsurf", 4626, 23 }, /* X-Surf Ethernet */ 188 /* VMC Harald Frank */ 189 { "blst", 5001, 1}, /* ISDN Blaster */ 190 { "hyper4", 5001, 2}, /* Hypercom4-Zbus */ 191 { "hyper3Z", 5001, 3}, /* Hypercom3-Zbus */ 192 { "hyper4+", 5001, 6}, /* Hypercom4+ */ 193 { "hyper3+", 5001, 7}, /* Hypercom3+ */ 194 /* Matay Grzegorz Kraszewski */ 195 { "mppb", 44359, 1}, /* Prometheus PCI bridge */ 196 /* MNT */ 197 { "mntva", 28014, 1} /* MNT VA2000 */ 198 }; 199 static int naconfent = sizeof(aconftab) / sizeof(struct aconfdata); 200 201 /* 202 * Anything listed in this table is subject to pre-configuration, 203 * if autoconf.c:config_console() calls amiga_config_found() on 204 * the Zorro III device. 205 */ 206 static struct preconfdata preconftab[] = { 207 {18260, 6, 0 }, /* Retina Z2 */ /* grf1 */ 208 {18260, 16, 0}, /* Retina BLT Z3 */ /* grf2 */ 209 {18260, 19, 0}, /* Altais */ 210 {2167, 11, 0}, /* PicassoII mem */ /* grf3 */ 211 {2167, 12, 0}, /* PicassoII regs */ 212 {2167, 21, 0}, /* PicassoIV Z2 mem1 */ 213 {2167, 22, 0}, /* PicassoIV Z2 mem2 */ 214 {2167, 23, 0}, /* PicassoIV Z2 regs */ 215 {2167, 24, 0}, /* PicassoIV Z3 */ 216 {2193, 2, 0}, /* Spectrum mem */ 217 {2193, 1, 0}, /* Spectrum regs */ 218 {2195, 5, 0}, /* Piccolo mem */ 219 {2195, 6, 0}, /* Piccolo regs */ 220 {2195, 10, 0}, /* Piccolo SD64 mem */ 221 {2195, 11, 0}, /* Piccolo SD64 regs */ 222 {1030, 0, 0}, /* Ulwl board */ /* grf4 */ 223 {8512, 34, 0}, /* Cybervison 64 */ /* grf5 */ 224 {2117, 3, 0}, /* Merlin mem */ /* grf6 */ 225 {2117, 4, 0}, /* Merlin regs */ 226 {2167, 1, 0}, /* Domino mem */ 227 {2167, 2, 0}, /* Domino regs */ 228 {2167, 3, 0}, /* Domino regs (proto 16M) */ 229 {2181, 0, 0}, /* oMniBus mem or regs */ 230 {8512, 67, 0} /* Cybervison 64/3D */ /* grf7 */ 231 /* {28014, 1, 0} // MNTMN VA2000 */ 232 }; 233 static int npreconfent = sizeof(preconftab) / sizeof(struct preconfdata); 234 235 /* 236 * Quirks table. 237 */ 238 #define ZORRO_QUIRK_NO_ZBUSMAP 1 /* Don't map VA=PA in zbusattach. */ 239 static struct quirksdata quirkstab[] = { 240 {8512, 101, ZORRO_QUIRK_NO_ZBUSMAP} 241 }; 242 static int nquirksent = sizeof(quirkstab) / sizeof(struct quirksdata); 243 244 void zbusattach(device_t, device_t, void *); 245 int zbusprint(void *, const char *); 246 int zbusmatch(device_t, cfdata_t, void *); 247 static const char *aconflookup(int, int); 248 249 /* 250 * given a manufacturer id and product id, find quirks 251 * for this board. 252 */ 253 254 static uint8_t 255 quirkslookup(int mid, int pid) 256 { 257 const struct quirksdata *qdp, *eqdp; 258 259 eqdp = &quirkstab[nquirksent]; 260 for (qdp = quirkstab; qdp < eqdp; qdp++) 261 if (qdp->manid == mid && qdp->prodid == pid) 262 return(qdp->quirks); 263 return(0); 264 } 265 266 /* 267 * given a manufacturer id and product id, find the name 268 * that describes this board. 269 */ 270 static const char * 271 aconflookup(int mid, int pid) 272 { 273 const struct aconfdata *adp, *eadp; 274 275 eadp = &aconftab[naconfent]; 276 for (adp = aconftab; adp < eadp; adp++) 277 if (adp->manid == mid && adp->prodid == pid) 278 return(adp->name); 279 return("board"); 280 } 281 282 /* 283 * mainbus driver 284 */ 285 286 CFATTACH_DECL_NEW(zbus, 0, 287 zbusmatch, zbusattach, NULL, NULL); 288 289 static cfdata_t early_cfdata; 290 291 /*ARGSUSED*/ 292 int 293 zbusmatch(device_t parent, cfdata_t cf, void *aux) 294 { 295 296 if (matchname(aux, "zbus") == 0) 297 return(0); 298 if (amiga_realconfig == 0) 299 early_cfdata = cf; 300 return(1); 301 } 302 303 /* 304 * called to attach bus, we probe, i.e., scan configdev structs passed 305 * in, for each found name call config_found() which will do this again 306 * with that driver if matched else print a diag. 307 */ 308 void 309 zbusattach(device_t parent, device_t self, void *aux) 310 { 311 struct zbus_args za; 312 struct preconfdata *pcp, *epcp; 313 struct cfdev *cdp, *ecdp; 314 315 epcp = &preconftab[npreconfent]; 316 ecdp = &cfdev[ncfdev]; 317 if (amiga_realconfig) { 318 if (ZTWOMEMADDR) 319 printf(": mem 0x%08lx-0x%08lx", 320 ZTWOMEMADDR, 321 ZTWOMEMADDR + PAGE_SIZE * NZTWOMEMPG - 1); 322 if (ZBUSAVAIL) 323 printf (": i/o size 0x%08x", ZBUSAVAIL); 324 printf("\n"); 325 } 326 for (cdp = cfdev; cdp < ecdp; cdp++) { 327 for (pcp = preconftab; pcp < epcp; pcp++) { 328 if (pcp->manid == cdp->rom.manid && 329 pcp->prodid == cdp->rom.prodid) 330 break; 331 } 332 if (amiga_realconfig == 0 && pcp >= epcp) 333 continue; 334 335 #if NZ3RAMBD > 0 336 if (z3rambd_match_id(cdp->rom.manid, cdp->rom.prodid) > 0) 337 { } 338 else 339 #endif /* NZ3RAMBD */ 340 /* 341 * check if it's a Zorro II or III board and not linked into 342 * MemList (i.e. not a memory board) 343 */ 344 switch (cdp->rom.type & (ERT_TYPEMASK | ERTF_MEMLIST)) { 345 case ERT_ZORROII: 346 case ERT_ZORROIII: 347 break; 348 default: 349 continue; 350 } 351 352 za.pa = cdp->addr; 353 za.size = cdp->size; 354 za.manid = cdp->rom.manid; 355 za.prodid = cdp->rom.prodid; 356 za.serno = cdp->rom.serno; 357 za.slot = (((u_long)za.pa >> 16) & 0xF) - 0x9; 358 359 if (amiga_realconfig && pcp < epcp && pcp->vaddr) 360 za.va = pcp->vaddr; 361 else { 362 if(quirkslookup(za.manid, za.prodid) != 363 ZORRO_QUIRK_NO_ZBUSMAP) 364 za.va = (void *) (isztwopa(za.pa) ? 365 __UNVOLATILE(ztwomap(za.pa)) : 366 zbusmap(za.pa, za.size)); 367 /* 368 * save value if early console init 369 */ 370 if (amiga_realconfig == 0) 371 pcp->vaddr = za.va; 372 } 373 amiga_config_found(early_cfdata, self, &za, zbusprint, 374 CFARG_EOL); 375 } 376 } 377 378 /* 379 * print configuration info. 380 */ 381 int 382 zbusprint(void *aux, const char *pnp) 383 { 384 struct zbus_args *zap; 385 int rv; 386 387 rv = UNCONF; 388 zap = aux; 389 390 if (pnp) { 391 aprint_normal("%s at %s:", 392 aconflookup(zap->manid, zap->prodid), pnp); 393 if (zap->manid == -1) 394 rv = UNSUPP; 395 } 396 aprint_normal(" pa %8p man/pro %d/%d", zap->pa, zap->manid, 397 zap->prodid); 398 return(rv); 399 } 400 401 /* 402 * this function is used to map Zorro physical I/O addresses into kernel 403 * virtual addresses. We don't keep track which address we map where, we don't 404 * NEED to know this. We made sure in amiga_init.c (by scanning all available 405 * Zorro devices) to have enough kva-space available, so there is no extra 406 * range check done here. 407 */ 408 void * 409 zbusmap(void *pa, u_int size) 410 { 411 #if defined(__m68k__) 412 static vaddr_t nextkva = 0; 413 vaddr_t kva; 414 415 if (nextkva == 0) 416 nextkva = ZBUSADDR; 417 418 if (nextkva > ZBUSADDR + ZBUSAVAIL) 419 return 0; 420 421 /* size better be an integral multiple of the page size... */ 422 kva = nextkva; 423 nextkva += size; 424 if (nextkva > ZBUSADDR + ZBUSAVAIL) 425 panic("allocating too much Zorro I/O address space"); 426 physaccess((void *)kva, (void *)pa, size, PG_RW|PG_CI); 427 return((void *)kva); 428 #else 429 /* 430 * XXX we use direct constant mapping 431 */ 432 return(pa); 433 #endif 434 } 435