1 /* $NetBSD: zbus.c,v 1.68 2012/01/19 00:14:08 rkujawa 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 1.68 2012/01/19 00:14:08 rkujawa 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 47 struct aconfdata { 48 const char *name; 49 int manid; 50 int prodid; 51 }; 52 53 struct preconfdata { 54 int manid; 55 int prodid; 56 void *vaddr; 57 }; 58 59 struct quirksdata { 60 int manid; 61 int prodid; 62 uint8_t quirks; 63 }; 64 65 vaddr_t ZTWOROMADDR; 66 vaddr_t ZTWOMEMADDR; 67 u_int NZTWOMEMPG; 68 vaddr_t ZBUSADDR; /* kva of Zorro bus I/O pages */ 69 u_int ZBUSAVAIL; /* bytes of Zorro bus I/O space left */ 70 71 /* 72 * explain the names.. 0123456789 => zothfisven 73 */ 74 static const struct aconfdata aconftab[] = { 75 /* Commodore Amiga */ 76 { "atzee", 513, 1 }, 77 { "atzsc", 514, 2 }, 78 { "atzsc", 514, 3 }, 79 { "bah", 514, 9 }, /* A2060 */ 80 { "ql", 514, 69 }, 81 { "ql", 514, 70 }, 82 { "atfsc", 514, 84 }, 83 { "le", 514, 112 }, 84 /* Ameristar */ 85 { "le", 1053, 1 }, 86 { "bah", 1053, 9 }, /* A2060 */ 87 { "es", 1053, 10 }, 88 /* University of Lowell */ 89 { "grful", 1030, 0 }, 90 /* DMI */ 91 { "grfrs", 2129, 1 }, /* Resolver graphics board */ 92 /* Macrosystems */ 93 { "grfrt", 18260, 6 }, 94 { "grfrh", 18260, 16}, /* Retina BLT Z3 */ 95 { "grfrh", 18260, 19}, /* Altais */ 96 /* Greater valley products */ 97 { "gvpbus", 2017, 2 }, 98 { "gvpbus", 2017, 11 }, 99 { "giv", 2017, 32 }, 100 { "gio", 2017, 255 }, 101 /* progressive perhiperals */ 102 { "zssc", 2026, 150 }, 103 { "ppia", 2026, 187 }, 104 { "ppta", 2026, 105 }, 105 { "ppha", 2026, 1 }, 106 { "mrsc", 2026, 0 }, 107 /* CSA */ 108 { "mgnsc", 1058, 17 }, 109 { "otgsc", 1058, 21 }, 110 /* Microbotics */ 111 { "vhzsc", 1010, 69 }, 112 /* Supra */ 113 { "wstsc", 1056, 12 }, 114 { "wstsc", 1056, 13 }, 115 /* IVS */ 116 { "itrmp", 2112, 48 }, 117 { "itrmp", 2112, 52 }, 118 { "ivasc", 2112, 242 }, 119 { "ivsc", 2112, 243 }, 120 /* Hydra */ 121 { "ed", 2121, 1 }, 122 /* ASDG */ 123 { "ed", 1023, 254 }, 124 /* Village Tronic Ariadne */ 125 { "le", 2167, 201}, 126 /* Village Tronic Ariadne II */ 127 { "ne", 2167, 202}, 128 /* bsc/Alf Data */ 129 { "Tandem", 2092, 6 }, /* Tandem AT disk controller */ 130 { "mfc", 2092, 16 }, 131 { "mfc", 2092, 17 }, 132 { "mfc", 2092, 18 }, 133 /* Cirrus CL GD 5426 -> Picasso, Piccolo, EGS Spectrum */ 134 { "grfcl", 2167, 11}, /* PicassoII mem */ 135 { "grfcl", 2167, 12}, /* PicassoII regs */ 136 { "grfcl", 2167, 21}, /* PicassoIV Z2 mem1 */ 137 { "grfcl", 2167, 22}, /* PicassoIV Z2 mem2 */ 138 { "grfcl", 2167, 23}, /* PicassoIV Z2 regs */ 139 { "grfcl", 2167, 24}, /* PicassoIV Z3 */ 140 { "grfcl", 2193, 2}, /* Spectrum mem */ 141 { "grfcl", 2193, 1}, /* Spectrum regs */ 142 { "grfcl", 2195, 5}, /* Piccolo mem */ 143 { "grfcl", 2195, 6}, /* Piccolo regs */ 144 { "grfcl", 2195, 10}, /* Piccolo SD64 mem */ 145 { "grfcl", 2195, 11}, /* Piccolo SD64 regs */ 146 /* MacroSystemsUS */ 147 { "wesc", 2203, 19}, /* Warp engine */ 148 /* phase 5 digital products */ 149 { "flmem", 8512, 10}, /* FastlaneZ3 memory */ 150 { "flsc", 8512, 11}, /* FastlaneZ3 */ 151 { "cbsc", 8512, 12}, /* Cyberstorm Mk I SCSI */ 152 { "bzivsc", 8512, 17}, /* Blizzard IV SCSI */ 153 { "bztzsc", 8512, 24}, /* Blizzard 2060 SCSI */ 154 { "cbiisc", 8512, 25}, /* Cyberstorm Mk II SCSI */ 155 { "grfcv", 8512, 34}, /* CyberVison 64 */ 156 { "grfcv3d", 8512, 67}, /* CyberVison 64/3D */ 157 { "cbiiisc", 8512, 100}, /* Cyberstorm Mk III SCSI */ 158 { "p5pb", 8512, 101}, /* CyberVisionPPC / BlizzardVisionPPC */ 159 { "bppcsc", 8512, 110}, /* Blizzard 603e+ SCSI */ 160 /* Hacker Inc. */ 161 { "mlhsc", 2011, 1 }, 162 /* Resource Management Force */ 163 { "qn", 2011, 2 }, /* QuickNet Ethernet */ 164 /* ??? */ 165 { "empsc", 2171, 21 }, /* Emplant SCSI */ 166 { "empsc", 2171, 32 }, /* Emplant SCSI */ 167 /* Tseng ET4000 boards */ 168 { "grfet", 2117, 3 }, /* Merlin mem */ 169 { "grfet", 2117, 4 }, /* Merlin regs */ 170 { "grfet", 2167, 1 }, /* Domino mem */ 171 { "grfet", 2167, 2 }, /* Domino regs */ 172 { "grfet", 2167, 3 }, /* Domino regs (proto 16M) */ 173 { "grfet", 2181, 0 }, /* oMniBus */ 174 /* Advanced Systems */ 175 { "nxsc", 2102, 1 }, /* Nexus SCSI board */ 176 /* Masoboshi */ 177 { "mcsc", 8535, 4 }, /* Masoboshi Mastercard 702 */ 178 /* Apollo */ 179 { "apssc", 8738, 35 }, /* Apollo '060 scsi */ 180 /* KATO development */ 181 { "aumld", 2145, 128 }, /* Melody MPEG layer 2 audio board */ 182 /* Individual Computers Jens Schoenfeld */ 183 { "buddha", 4626, 0 }, 184 { "xsurf", 4626, 23 }, /* X-Surf Ethernet */ 185 /* VMC Harald Frank */ 186 { "blst", 5001, 1}, /* ISDN Blaster */ 187 { "hyper4", 5001, 2}, /* Hypercom4-Zbus */ 188 { "hyper3Z", 5001, 3}, /* Hypercom3-Zbus */ 189 { "hyper4+", 5001, 6}, /* Hypercom4+ */ 190 { "hyper3+", 5001, 7}, /* Hypercom3+ */ 191 /* Matay Grzegorz Kraszewski */ 192 { "mppb", 44359, 1} /* Prometheus PCI bridge */ 193 }; 194 static int naconfent = sizeof(aconftab) / sizeof(struct aconfdata); 195 196 /* 197 * Anything listed in this table is subject to pre-configuration, 198 * if autoconf.c:config_console() calls amiga_config_found() on 199 * the Zorro III device. 200 */ 201 static struct preconfdata preconftab[] = { 202 {18260, 6, 0 }, /* Retina Z2 */ /* grf1 */ 203 {18260, 16, 0}, /* Retina BLT Z3 */ /* grf2 */ 204 {18260, 19, 0}, /* Altais */ 205 {2167, 11, 0}, /* PicassoII mem */ /* grf3 */ 206 {2167, 12, 0}, /* PicassoII regs */ 207 {2167, 21, 0}, /* PicassoIV Z2 mem1 */ 208 {2167, 22, 0}, /* PicassoIV Z2 mem2 */ 209 {2167, 23, 0}, /* PicassoIV Z2 regs */ 210 {2167, 24, 0}, /* PicassoIV Z3 */ 211 {2193, 2, 0}, /* Spectrum mem */ 212 {2193, 1, 0}, /* Spectrum regs */ 213 {2195, 5, 0}, /* Piccolo mem */ 214 {2195, 6, 0}, /* Piccolo regs */ 215 {2195, 10, 0}, /* Piccolo SD64 mem */ 216 {2195, 11, 0}, /* Piccolo SD64 regs */ 217 {1030, 0, 0}, /* Ulwl board */ /* grf4 */ 218 {8512, 34, 0}, /* Cybervison 64 */ /* grf5 */ 219 {2117, 3, 0}, /* Merlin mem */ /* grf6 */ 220 {2117, 4, 0}, /* Merlin regs */ 221 {2167, 1, 0}, /* Domino mem */ 222 {2167, 2, 0}, /* Domino regs */ 223 {2167, 3, 0}, /* Domino regs (proto 16M) */ 224 {2181, 0, 0}, /* oMniBus mem or regs */ 225 {8512, 67, 0} /* Cybervison 64/3D */ /* grf7 */ 226 }; 227 static int npreconfent = sizeof(preconftab) / sizeof(struct preconfdata); 228 229 /* 230 * Quirks table. 231 */ 232 #define ZORRO_QUIRK_NO_ZBUSMAP 1 /* Don't map VA=PA in zbusattach. */ 233 static struct quirksdata quirkstab[] = { 234 {8512, 101, ZORRO_QUIRK_NO_ZBUSMAP} 235 }; 236 static int nquirksent = sizeof(quirkstab) / sizeof(struct quirksdata); 237 238 void zbusattach(device_t, device_t, void *); 239 int zbusprint(void *, const char *); 240 int zbusmatch(device_t, cfdata_t, void *); 241 static const char *aconflookup(int, int); 242 243 /* 244 * given a manufacturer id and product id, find quirks 245 * for this board. 246 */ 247 248 static uint8_t 249 quirkslookup(int mid, int pid) 250 { 251 const struct quirksdata *qdp, *eqdp; 252 253 eqdp = &quirkstab[nquirksent]; 254 for (qdp = quirkstab; qdp < eqdp; qdp++) 255 if (qdp->manid == mid && qdp->prodid == pid) 256 return(qdp->quirks); 257 return(0); 258 } 259 260 /* 261 * given a manufacturer id and product id, find the name 262 * that describes this board. 263 */ 264 static const char * 265 aconflookup(int mid, int pid) 266 { 267 const struct aconfdata *adp, *eadp; 268 269 eadp = &aconftab[naconfent]; 270 for (adp = aconftab; adp < eadp; adp++) 271 if (adp->manid == mid && adp->prodid == pid) 272 return(adp->name); 273 return("board"); 274 } 275 276 /* 277 * mainbus driver 278 */ 279 280 CFATTACH_DECL_NEW(zbus, 0, 281 zbusmatch, zbusattach, NULL, NULL); 282 283 static cfdata_t early_cfdata; 284 285 /*ARGSUSED*/ 286 int 287 zbusmatch(device_t pdp, cfdata_t cfp, void *auxp) 288 { 289 290 if (matchname(auxp, "zbus") == 0) 291 return(0); 292 if (amiga_realconfig == 0) 293 early_cfdata = cfp; 294 return(1); 295 } 296 297 /* 298 * called to attach bus, we probe, i.e., scan configdev structs passed 299 * in, for each found name call config_found() which will do this again 300 * with that driver if matched else print a diag. 301 */ 302 void 303 zbusattach(device_t pdp, device_t dp, void *auxp) 304 { 305 struct zbus_args za; 306 struct preconfdata *pcp, *epcp; 307 struct cfdev *cdp, *ecdp; 308 309 epcp = &preconftab[npreconfent]; 310 ecdp = &cfdev[ncfdev]; 311 if (amiga_realconfig) { 312 if (ZTWOMEMADDR) 313 printf(": mem 0x%08lx-0x%08lx", 314 ZTWOMEMADDR, 315 ZTWOMEMADDR + PAGE_SIZE * NZTWOMEMPG - 1); 316 if (ZBUSAVAIL) 317 printf (": i/o size 0x%08x", ZBUSAVAIL); 318 printf("\n"); 319 } 320 for (cdp = cfdev; cdp < ecdp; cdp++) { 321 for (pcp = preconftab; pcp < epcp; pcp++) { 322 if (pcp->manid == cdp->rom.manid && 323 pcp->prodid == cdp->rom.prodid) 324 break; 325 } 326 if (amiga_realconfig == 0 && pcp >= epcp) 327 continue; 328 329 /* 330 * check if it's a Zorro II or III board and not linked into 331 * MemList (i.e. not a memory board) 332 */ 333 if ((cdp->rom.type & 0xe0) != 0xc0 && 334 (cdp->rom.type & 0xe0) != 0x80) 335 continue; /* er_Type != Zorro I/O */ 336 337 za.pa = cdp->addr; 338 za.size = cdp->size; 339 za.manid = cdp->rom.manid; 340 za.prodid = cdp->rom.prodid; 341 za.serno = cdp->rom.serno; 342 za.slot = (((u_long)za.pa >> 16) & 0xF) - 0x9; 343 344 if (amiga_realconfig && pcp < epcp && pcp->vaddr) 345 za.va = pcp->vaddr; 346 else { 347 if(quirkslookup(za.manid, za.prodid) != 348 ZORRO_QUIRK_NO_ZBUSMAP) 349 za.va = (void *) (isztwopa(za.pa) ? 350 __UNVOLATILE(ztwomap(za.pa)) : 351 zbusmap(za.pa, za.size)); 352 /* 353 * save value if early console init 354 */ 355 if (amiga_realconfig == 0) 356 pcp->vaddr = za.va; 357 } 358 amiga_config_found(early_cfdata, dp, &za, zbusprint); 359 } 360 } 361 362 /* 363 * print configuration info. 364 */ 365 int 366 zbusprint(void *auxp, const char *pnp) 367 { 368 struct zbus_args *zap; 369 int rv; 370 371 rv = UNCONF; 372 zap = auxp; 373 374 if (pnp) { 375 aprint_normal("%s at %s:", 376 aconflookup(zap->manid, zap->prodid), pnp); 377 if (zap->manid == -1) 378 rv = UNSUPP; 379 } 380 aprint_normal(" pa %8p man/pro %d/%d", zap->pa, zap->manid, 381 zap->prodid); 382 return(rv); 383 } 384 385 /* 386 * this function is used to map Zorro physical I/O addresses into kernel 387 * virtual addresses. We don't keep track which address we map where, we don't 388 * NEED to know this. We made sure in amiga_init.c (by scanning all available 389 * Zorro devices) to have enough kva-space available, so there is no extra 390 * range check done here. 391 */ 392 void * 393 zbusmap(void *pa, u_int size) 394 { 395 #if defined(__m68k__) 396 static vaddr_t nextkva = 0; 397 vaddr_t kva; 398 399 if (nextkva == 0) 400 nextkva = ZBUSADDR; 401 402 if (nextkva > ZBUSADDR + ZBUSAVAIL) 403 return 0; 404 405 /* size better be an integral multiple of the page size... */ 406 kva = nextkva; 407 nextkva += size; 408 if (nextkva > ZBUSADDR + ZBUSAVAIL) 409 panic("allocating too much Zorro I/O address space"); 410 physaccess((void *)kva, (void *)pa, size, PG_RW|PG_CI); 411 return((void *)kva); 412 #else 413 /* 414 * XXX we use direct constant mapping 415 */ 416 return(pa); 417 #endif 418 } 419