1 /* $NetBSD: zbus.c,v 1.44 2000/09/13 20:15:52 is 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 #include <sys/param.h> 33 #include <sys/device.h> 34 #include <sys/systm.h> 35 #include <machine/cpu.h> 36 #include <machine/pte.h> 37 #include <amiga/amiga/cfdev.h> 38 #include <amiga/amiga/device.h> 39 #include <amiga/dev/zbusvar.h> 40 41 struct aconfdata { 42 char *name; 43 int manid; 44 int prodid; 45 }; 46 47 struct preconfdata { 48 int manid; 49 int prodid; 50 caddr_t vaddr; 51 }; 52 53 54 /* 55 * explain the names.. 0123456789 => zothfisven 56 */ 57 static struct aconfdata aconftab[] = { 58 /* Commodore Amiga */ 59 { "atzee", 513, 1 }, 60 { "atzsc", 514, 2 }, 61 { "atzsc", 514, 3 }, 62 { "bah", 514, 9 }, /* A2060 */ 63 { "ql", 514, 69 }, 64 { "ql", 514, 70 }, 65 { "atfsc", 514, 84 }, 66 { "le", 514, 112 }, 67 /* Ameristar */ 68 { "le", 1053, 1 }, 69 { "bah", 1053, 9 }, /* A2060 */ 70 { "es", 1053, 10 }, 71 /* University of Lowell */ 72 { "grful", 1030, 0 }, 73 /* DMI */ 74 { "grfrs", 2129, 1 }, /* Resolver graphics board */ 75 /* Macrosystems */ 76 { "grfrt", 18260, 6 }, 77 { "grfrh", 18260, 16}, /* Retina BLT Z3 */ 78 { "grfrh", 18260, 19}, /* Altais */ 79 /* Greater valley products */ 80 { "gvpbus", 2017, 2 }, 81 { "gvpbus", 2017, 11 }, 82 { "giv", 2017, 32 }, 83 { "gio", 2017, 255 }, 84 /* progressive perhiperals */ 85 { "zssc", 2026, 150 }, 86 { "ppia", 2026, 187 }, 87 { "ppta", 2026, 105 }, 88 { "ppha", 2026, 1 }, 89 { "mrsc", 2026, 0 }, 90 /* CSA */ 91 { "mgnsc", 1058, 17 }, 92 { "otgsc", 1058, 21 }, 93 /* Microbotics */ 94 { "vhzsc", 1010, 69 }, 95 /* Supra */ 96 { "wstsc", 1056, 12 }, 97 { "wstsc", 1056, 13 }, 98 /* IVS */ 99 { "itrmp", 2112, 48 }, 100 { "itrmp", 2112, 52 }, 101 { "ivasc", 2112, 242 }, 102 { "ivsc", 2112, 243 }, 103 /* Hydra */ 104 { "ed", 2121, 1 }, 105 /* ASDG */ 106 { "ed", 1023, 254 }, 107 /* Village Tronic Ariadne */ 108 { "le", 2167, 201}, 109 /* Village Tronic Ariadne II */ 110 { "ne", 2167, 202}, 111 /* bsc/Alf Data */ 112 { "Tandem", 2092, 6 }, /* Tandem AT disk controler */ 113 { "mfc", 2092, 16 }, 114 { "mfc", 2092, 17 }, 115 { "mfc", 2092, 18 }, 116 /* Cirrus CL GD 5426 -> Picasso, Piccolo, EGS Spectrum */ 117 { "grfcl", 2167, 11}, /* PicassoII mem */ 118 { "grfcl", 2167, 12}, /* PicassoII regs */ 119 { "grfcl", 2167, 21}, /* PicassoIV Z2 mem1 */ 120 { "grfcl", 2167, 22}, /* PicassoIV Z2 mem2 */ 121 { "grfcl", 2167, 23}, /* PicassoIV Z2 regs */ 122 { "grfcl", 2167, 24}, /* PicassoIV Z3 */ 123 { "grfcl", 2193, 2}, /* Spectrum mem */ 124 { "grfcl", 2193, 1}, /* Spectrum regs */ 125 { "grfcl", 2195, 5}, /* Piccolo mem */ 126 { "grfcl", 2195, 6}, /* Piccolo regs */ 127 { "grfcl", 2195, 10}, /* Piccolo SD64 mem */ 128 { "grfcl", 2195, 11}, /* Piccolo SD64 regs */ 129 /* MacroSystemsUS */ 130 { "wesc", 2203, 19}, /* Warp engine */ 131 /* phase 5 digital products */ 132 { "flmem", 8512, 10}, /* FastlaneZ3 memory */ 133 { "flsc", 8512, 11}, /* FastlaneZ3 */ 134 { "cbsc", 8512, 12}, /* Cyberstorm Mk I SCSI */ 135 { "bzivsc", 8512, 17}, /* Blizzard IV SCSI */ 136 { "bztzsc", 8512, 24}, /* Blizzard 2060 SCSI */ 137 { "cbiisc", 8512, 25}, /* Cyberstorm Mk II SCSI */ 138 { "grfcv", 8512, 34}, /* CyberVison 64 */ 139 { "grfcv3d", 8512, 67}, /* CyberVison 64/3D */ 140 { "cbiiisc", 8512, 100}, /* Cyberstorm Mk III SCSI */ 141 /* Hacker Inc. */ 142 { "mlhsc", 2011, 1 }, 143 /* Resource Management Force */ 144 { "qn", 2011, 2 }, /* QuickNet Ethernet */ 145 /* ??? */ 146 { "empsc", 2171, 21 }, /* Emplant SCSI */ 147 { "empsc", 2171, 32 }, /* Emplant SCSI */ 148 /* Tseng ET4000 boards */ 149 { "grfet", 2117, 3 }, /* Merlin mem */ 150 { "grfet", 2117, 4 }, /* Merlin regs */ 151 { "grfet", 2167, 1 }, /* Domino mem */ 152 { "grfet", 2167, 2 }, /* Domino regs */ 153 { "grfet", 2167, 3 }, /* Domino regs (proto 16M) */ 154 { "grfet", 2181, 0 }, /* oMniBus */ 155 /* Advanced Systems */ 156 { "nxsc", 2102, 1 }, /* Nexus SCSI board */ 157 /* Masoboshi */ 158 { "mcsc", 8535, 4 }, /* Masoboshi Mastercard 702 */ 159 /* Apollo */ 160 { "apssc", 8738, 35 }, /* Apollo '060 scsi */ 161 /* KATO development */ 162 { "aumld", 2145, 128 }, /* Melody MPEG layer 2 audio board */ 163 /* Individual Computers Jens Schoenfeld */ 164 { "buddha", 4626, 0 }, 165 { "X-serve", 4626, 23 }, /* X-serve Ethernet */ 166 /* VMC Harald Frank */ 167 { "blst", 5001, 1}, /* ISDN Blaster */ 168 { "hyper4", 5001, 2}, /* Hypercom4-Zbus */ 169 { "hyper3Z", 5001, 3}, /* Hypercom3-Zbus */ 170 { "hyper4+", 5001, 6}, /* Hypercom4+ */ 171 { "hyper3+", 5001, 7} /* Hypercom3+ */ 172 }; 173 static int naconfent = sizeof(aconftab) / sizeof(struct aconfdata); 174 175 /* 176 * Anything listed in this table is subject to pre-configuration, 177 * if autoconf.c:config_console() calls amiga_config_found() on 178 * the Zorro III device. 179 */ 180 static struct preconfdata preconftab[] = { 181 {18260, 6, 0 }, /* Retina Z2 */ /* grf1 */ 182 {18260, 16, 0}, /* Retina BLT Z3 */ /* grf2 */ 183 {18260, 19, 0}, /* Altais */ 184 {2167, 11, 0}, /* PicassoII mem */ /* grf3 */ 185 {2167, 12, 0}, /* PicassoII regs */ 186 {2167, 21, 0}, /* PicassoIV Z2 mem1 */ 187 {2167, 22, 0}, /* PicassoIV Z2 mem2 */ 188 {2167, 23, 0}, /* PicassoIV Z2 regs */ 189 {2167, 24, 0}, /* PicassoIV Z3 */ 190 {2193, 2, 0}, /* Spectrum mem */ 191 {2193, 1, 0}, /* Spectrum regs */ 192 {2195, 5, 0}, /* Piccolo mem */ 193 {2195, 6, 0}, /* Piccolo regs */ 194 {2195, 10, 0}, /* Piccolo SD64 mem */ 195 {2195, 11, 0}, /* Piccolo SD64 regs */ 196 {1030, 0, 0}, /* Ulwl board */ /* grf4 */ 197 {8512, 34, 0}, /* Cybervison 64 */ /* grf5 */ 198 {2117, 3, 0}, /* Merlin mem */ /* grf6 */ 199 {2117, 4, 0}, /* Merlin regs */ 200 {2167, 1, 0}, /* Domino mem */ 201 {2167, 2, 0}, /* Domino regs */ 202 {2167, 3, 0}, /* Domino regs (proto 16M) */ 203 {2181, 0, 0}, /* oMniBus mem or regs */ 204 {8512, 67, 0} /* Cybervison 64/3D */ /* grf7 */ 205 }; 206 static int npreconfent = sizeof(preconftab) / sizeof(struct preconfdata); 207 208 209 void zbusattach __P((struct device *, struct device *, void *)); 210 int zbusprint __P((void *, const char *)); 211 int zbusmatch __P((struct device *, struct cfdata *, void *)); 212 caddr_t zbusmap __P((caddr_t, u_int)); 213 static char *aconflookup __P((int, int)); 214 215 /* 216 * given a manufacturer id and product id, find the name 217 * that describes this board. 218 */ 219 static char * 220 aconflookup(mid, pid) 221 int mid, pid; 222 { 223 struct aconfdata *adp, *eadp; 224 225 eadp = &aconftab[naconfent]; 226 for (adp = aconftab; adp < eadp; adp++) 227 if (adp->manid == mid && adp->prodid == pid) 228 return(adp->name); 229 return("board"); 230 } 231 232 /* 233 * mainbus driver 234 */ 235 236 struct cfattach zbus_ca = { 237 sizeof(struct device), zbusmatch, zbusattach 238 }; 239 240 static struct cfdata *early_cfdata; 241 242 /*ARGSUSED*/ 243 int 244 zbusmatch(pdp, cfp, auxp) 245 struct device *pdp; 246 struct cfdata *cfp; 247 void *auxp; 248 { 249 250 if (matchname(auxp, "zbus") == 0) 251 return(0); 252 if (amiga_realconfig == 0) 253 early_cfdata = cfp; 254 return(1); 255 } 256 257 /* 258 * called to attach bus, we probe, i.e., scan configdev structs passed 259 * in, for each found name call config_found() which will do this again 260 * with that driver if matched else print a diag. 261 */ 262 void 263 zbusattach(pdp, dp, auxp) 264 struct device *pdp, *dp; 265 void *auxp; 266 { 267 struct zbus_args za; 268 struct preconfdata *pcp, *epcp; 269 struct cfdev *cdp, *ecdp; 270 271 epcp = &preconftab[npreconfent]; 272 ecdp = &cfdev[ncfdev]; 273 if (amiga_realconfig) { 274 if (ZTWOMEMADDR) 275 printf(": mem 0x%08lx-0x%08lx", 276 ZTWOMEMADDR, ZTWOMEMADDR + NBPG * NZTWOMEMPG - 1); 277 if (ZBUSAVAIL) 278 printf (": i/o size 0x%08x", ZBUSAVAIL); 279 printf("\n"); 280 } 281 for (cdp = cfdev; cdp < ecdp; cdp++) { 282 for (pcp = preconftab; pcp < epcp; pcp++) { 283 if (pcp->manid == cdp->rom.manid && 284 pcp->prodid == cdp->rom.prodid) 285 break; 286 } 287 if (amiga_realconfig == 0 && pcp >= epcp) 288 continue; 289 290 /* 291 * check if it's a Zorro II or III board and not linked into 292 * MemList (i.e. not a memory board) 293 */ 294 if ((cdp->rom.type & 0xe0) != 0xc0 && 295 (cdp->rom.type & 0xe0) != 0x80) 296 continue; /* er_Type != Zorro I/O */ 297 298 za.pa = cdp->addr; 299 za.size = cdp->size; 300 if (amiga_realconfig && pcp < epcp && pcp->vaddr) 301 za.va = pcp->vaddr; 302 else { 303 za.va = (void *) (isztwopa(za.pa) ? ztwomap(za.pa) 304 : zbusmap(za.pa, za.size)); 305 /* ??????? */ 306 /* 307 * save value if early console init 308 */ 309 if (amiga_realconfig == 0) 310 pcp->vaddr = za.va; 311 } 312 za.manid = cdp->rom.manid; 313 za.prodid = cdp->rom.prodid; 314 za.serno = cdp->rom.serno; 315 za.slot = (((u_long)za.pa >> 16) & 0xF) - 0x9; 316 amiga_config_found(early_cfdata, dp, &za, zbusprint); 317 } 318 } 319 320 /* 321 * print configuration info. 322 */ 323 int 324 zbusprint(auxp, pnp) 325 void *auxp; 326 const char *pnp; 327 { 328 struct zbus_args *zap; 329 int rv; 330 331 rv = UNCONF; 332 zap = auxp; 333 334 if (pnp) { 335 printf("%s at %s:", aconflookup(zap->manid, zap->prodid), 336 pnp); 337 if (zap->manid == -1) 338 rv = UNSUPP; 339 } 340 printf(" pa %8p man/pro %d/%d", zap->pa, zap->manid, zap->prodid); 341 return(rv); 342 } 343 344 /* 345 * this function is used to map Zorro physical I/O addresses into kernel 346 * virtual addresses. We don't keep track which address we map where, we don't 347 * NEED to know this. We made sure in amiga_init.c (by scanning all available 348 * Zorro devices) to have enough kva-space available, so there is no extra 349 * range check done here. 350 */ 351 caddr_t 352 zbusmap (pa, size) 353 caddr_t pa; 354 u_int size; 355 { 356 static vaddr_t nextkva = 0; 357 vaddr_t kva; 358 359 if (nextkva == 0) 360 nextkva = ZBUSADDR; 361 362 if (nextkva > ZBUSADDR + ZBUSAVAIL) 363 return 0; 364 365 /* size better be an integral multiple of the page size... */ 366 kva = nextkva; 367 nextkva += size; 368 if (nextkva > ZBUSADDR + ZBUSAVAIL) 369 panic("allocating too much Zorro I/O address space"); 370 #if defined(__powerpc__) 371 /* 372 * XXX we use direct constant mapping, so no need for: 373 * physaccess((caddr_t)kva, (caddr_t)pa, size, PTE_RW|PTE_I); 374 */ 375 #elif defined(__m68k__) 376 physaccess((caddr_t)kva, (caddr_t)pa, size, PG_RW|PG_CI); 377 #else 378 ERROR no support for this target cpu yet. 379 #endif 380 return((caddr_t)kva); 381 } 382