1 /* $NetBSD: zbus.c,v 1.47 2002/04/25 09:20:32 aymeric 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 1.47 2002/04/25 09:20:32 aymeric Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/device.h> 38 #include <sys/systm.h> 39 #include <machine/cpu.h> 40 #include <machine/pte.h> 41 #include <amiga/amiga/cfdev.h> 42 #include <amiga/amiga/device.h> 43 #include <amiga/dev/zbusvar.h> 44 45 struct aconfdata { 46 char *name; 47 int manid; 48 int prodid; 49 }; 50 51 struct preconfdata { 52 int manid; 53 int prodid; 54 caddr_t vaddr; 55 }; 56 57 vaddr_t ZTWOROMADDR; 58 vaddr_t ZTWOMEMADDR; 59 u_int NZTWOMEMPG; 60 vaddr_t ZBUSADDR; /* kva of Zorro bus I/O pages */ 61 u_int ZBUSAVAIL; /* bytes of Zorro bus I/O space left */ 62 63 /* 64 * explain the names.. 0123456789 => zothfisven 65 */ 66 static struct aconfdata aconftab[] = { 67 /* Commodore Amiga */ 68 { "atzee", 513, 1 }, 69 { "atzsc", 514, 2 }, 70 { "atzsc", 514, 3 }, 71 { "bah", 514, 9 }, /* A2060 */ 72 { "ql", 514, 69 }, 73 { "ql", 514, 70 }, 74 { "atfsc", 514, 84 }, 75 { "le", 514, 112 }, 76 /* Ameristar */ 77 { "le", 1053, 1 }, 78 { "bah", 1053, 9 }, /* A2060 */ 79 { "es", 1053, 10 }, 80 /* University of Lowell */ 81 { "grful", 1030, 0 }, 82 /* DMI */ 83 { "grfrs", 2129, 1 }, /* Resolver graphics board */ 84 /* Macrosystems */ 85 { "grfrt", 18260, 6 }, 86 { "grfrh", 18260, 16}, /* Retina BLT Z3 */ 87 { "grfrh", 18260, 19}, /* Altais */ 88 /* Greater valley products */ 89 { "gvpbus", 2017, 2 }, 90 { "gvpbus", 2017, 11 }, 91 { "giv", 2017, 32 }, 92 { "gio", 2017, 255 }, 93 /* progressive perhiperals */ 94 { "zssc", 2026, 150 }, 95 { "ppia", 2026, 187 }, 96 { "ppta", 2026, 105 }, 97 { "ppha", 2026, 1 }, 98 { "mrsc", 2026, 0 }, 99 /* CSA */ 100 { "mgnsc", 1058, 17 }, 101 { "otgsc", 1058, 21 }, 102 /* Microbotics */ 103 { "vhzsc", 1010, 69 }, 104 /* Supra */ 105 { "wstsc", 1056, 12 }, 106 { "wstsc", 1056, 13 }, 107 /* IVS */ 108 { "itrmp", 2112, 48 }, 109 { "itrmp", 2112, 52 }, 110 { "ivasc", 2112, 242 }, 111 { "ivsc", 2112, 243 }, 112 /* Hydra */ 113 { "ed", 2121, 1 }, 114 /* ASDG */ 115 { "ed", 1023, 254 }, 116 /* Village Tronic Ariadne */ 117 { "le", 2167, 201}, 118 /* Village Tronic Ariadne II */ 119 { "ne", 2167, 202}, 120 /* bsc/Alf Data */ 121 { "Tandem", 2092, 6 }, /* Tandem AT disk controler */ 122 { "mfc", 2092, 16 }, 123 { "mfc", 2092, 17 }, 124 { "mfc", 2092, 18 }, 125 /* Cirrus CL GD 5426 -> Picasso, Piccolo, EGS Spectrum */ 126 { "grfcl", 2167, 11}, /* PicassoII mem */ 127 { "grfcl", 2167, 12}, /* PicassoII regs */ 128 { "grfcl", 2167, 21}, /* PicassoIV Z2 mem1 */ 129 { "grfcl", 2167, 22}, /* PicassoIV Z2 mem2 */ 130 { "grfcl", 2167, 23}, /* PicassoIV Z2 regs */ 131 { "grfcl", 2167, 24}, /* PicassoIV Z3 */ 132 { "grfcl", 2193, 2}, /* Spectrum mem */ 133 { "grfcl", 2193, 1}, /* Spectrum regs */ 134 { "grfcl", 2195, 5}, /* Piccolo mem */ 135 { "grfcl", 2195, 6}, /* Piccolo regs */ 136 { "grfcl", 2195, 10}, /* Piccolo SD64 mem */ 137 { "grfcl", 2195, 11}, /* Piccolo SD64 regs */ 138 /* MacroSystemsUS */ 139 { "wesc", 2203, 19}, /* Warp engine */ 140 /* phase 5 digital products */ 141 { "flmem", 8512, 10}, /* FastlaneZ3 memory */ 142 { "flsc", 8512, 11}, /* FastlaneZ3 */ 143 { "cbsc", 8512, 12}, /* Cyberstorm Mk I SCSI */ 144 { "bzivsc", 8512, 17}, /* Blizzard IV SCSI */ 145 { "bztzsc", 8512, 24}, /* Blizzard 2060 SCSI */ 146 { "cbiisc", 8512, 25}, /* Cyberstorm Mk II SCSI */ 147 { "grfcv", 8512, 34}, /* CyberVison 64 */ 148 { "grfcv3d", 8512, 67}, /* CyberVison 64/3D */ 149 { "cbiiisc", 8512, 100}, /* Cyberstorm Mk III SCSI */ 150 /* Hacker Inc. */ 151 { "mlhsc", 2011, 1 }, 152 /* Resource Management Force */ 153 { "qn", 2011, 2 }, /* QuickNet Ethernet */ 154 /* ??? */ 155 { "empsc", 2171, 21 }, /* Emplant SCSI */ 156 { "empsc", 2171, 32 }, /* Emplant SCSI */ 157 /* Tseng ET4000 boards */ 158 { "grfet", 2117, 3 }, /* Merlin mem */ 159 { "grfet", 2117, 4 }, /* Merlin regs */ 160 { "grfet", 2167, 1 }, /* Domino mem */ 161 { "grfet", 2167, 2 }, /* Domino regs */ 162 { "grfet", 2167, 3 }, /* Domino regs (proto 16M) */ 163 { "grfet", 2181, 0 }, /* oMniBus */ 164 /* Advanced Systems */ 165 { "nxsc", 2102, 1 }, /* Nexus SCSI board */ 166 /* Masoboshi */ 167 { "mcsc", 8535, 4 }, /* Masoboshi Mastercard 702 */ 168 /* Apollo */ 169 { "apssc", 8738, 35 }, /* Apollo '060 scsi */ 170 /* KATO development */ 171 { "aumld", 2145, 128 }, /* Melody MPEG layer 2 audio board */ 172 /* Individual Computers Jens Schoenfeld */ 173 { "buddha", 4626, 0 }, 174 { "X-serve", 4626, 23 }, /* X-serve Ethernet */ 175 /* VMC Harald Frank */ 176 { "blst", 5001, 1}, /* ISDN Blaster */ 177 { "hyper4", 5001, 2}, /* Hypercom4-Zbus */ 178 { "hyper3Z", 5001, 3}, /* Hypercom3-Zbus */ 179 { "hyper4+", 5001, 6}, /* Hypercom4+ */ 180 { "hyper3+", 5001, 7} /* Hypercom3+ */ 181 }; 182 static int naconfent = sizeof(aconftab) / sizeof(struct aconfdata); 183 184 /* 185 * Anything listed in this table is subject to pre-configuration, 186 * if autoconf.c:config_console() calls amiga_config_found() on 187 * the Zorro III device. 188 */ 189 static struct preconfdata preconftab[] = { 190 {18260, 6, 0 }, /* Retina Z2 */ /* grf1 */ 191 {18260, 16, 0}, /* Retina BLT Z3 */ /* grf2 */ 192 {18260, 19, 0}, /* Altais */ 193 {2167, 11, 0}, /* PicassoII mem */ /* grf3 */ 194 {2167, 12, 0}, /* PicassoII regs */ 195 {2167, 21, 0}, /* PicassoIV Z2 mem1 */ 196 {2167, 22, 0}, /* PicassoIV Z2 mem2 */ 197 {2167, 23, 0}, /* PicassoIV Z2 regs */ 198 {2167, 24, 0}, /* PicassoIV Z3 */ 199 {2193, 2, 0}, /* Spectrum mem */ 200 {2193, 1, 0}, /* Spectrum regs */ 201 {2195, 5, 0}, /* Piccolo mem */ 202 {2195, 6, 0}, /* Piccolo regs */ 203 {2195, 10, 0}, /* Piccolo SD64 mem */ 204 {2195, 11, 0}, /* Piccolo SD64 regs */ 205 {1030, 0, 0}, /* Ulwl board */ /* grf4 */ 206 {8512, 34, 0}, /* Cybervison 64 */ /* grf5 */ 207 {2117, 3, 0}, /* Merlin mem */ /* grf6 */ 208 {2117, 4, 0}, /* Merlin regs */ 209 {2167, 1, 0}, /* Domino mem */ 210 {2167, 2, 0}, /* Domino regs */ 211 {2167, 3, 0}, /* Domino regs (proto 16M) */ 212 {2181, 0, 0}, /* oMniBus mem or regs */ 213 {8512, 67, 0} /* Cybervison 64/3D */ /* grf7 */ 214 }; 215 static int npreconfent = sizeof(preconftab) / sizeof(struct preconfdata); 216 217 218 void zbusattach(struct device *, struct device *, void *); 219 int zbusprint(void *, const char *); 220 int zbusmatch(struct device *, struct cfdata *, void *); 221 caddr_t zbusmap(caddr_t, u_int); 222 static char *aconflookup(int, int); 223 224 /* 225 * given a manufacturer id and product id, find the name 226 * that describes this board. 227 */ 228 static char * 229 aconflookup(int mid, int pid) 230 { 231 struct aconfdata *adp, *eadp; 232 233 eadp = &aconftab[naconfent]; 234 for (adp = aconftab; adp < eadp; adp++) 235 if (adp->manid == mid && adp->prodid == pid) 236 return(adp->name); 237 return("board"); 238 } 239 240 /* 241 * mainbus driver 242 */ 243 244 struct cfattach zbus_ca = { 245 sizeof(struct device), zbusmatch, zbusattach 246 }; 247 248 static struct cfdata *early_cfdata; 249 250 /*ARGSUSED*/ 251 int 252 zbusmatch(struct device *pdp, struct cfdata *cfp, void *auxp) 253 { 254 255 if (matchname(auxp, "zbus") == 0) 256 return(0); 257 if (amiga_realconfig == 0) 258 early_cfdata = cfp; 259 return(1); 260 } 261 262 /* 263 * called to attach bus, we probe, i.e., scan configdev structs passed 264 * in, for each found name call config_found() which will do this again 265 * with that driver if matched else print a diag. 266 */ 267 void 268 zbusattach(struct device *pdp, struct device *dp, void *auxp) 269 { 270 struct zbus_args za; 271 struct preconfdata *pcp, *epcp; 272 struct cfdev *cdp, *ecdp; 273 274 epcp = &preconftab[npreconfent]; 275 ecdp = &cfdev[ncfdev]; 276 if (amiga_realconfig) { 277 if (ZTWOMEMADDR) 278 printf(": mem 0x%08lx-0x%08lx", 279 ZTWOMEMADDR, ZTWOMEMADDR + NBPG * NZTWOMEMPG - 1); 280 if (ZBUSAVAIL) 281 printf (": i/o size 0x%08x", ZBUSAVAIL); 282 printf("\n"); 283 } 284 for (cdp = cfdev; cdp < ecdp; cdp++) { 285 for (pcp = preconftab; pcp < epcp; pcp++) { 286 if (pcp->manid == cdp->rom.manid && 287 pcp->prodid == cdp->rom.prodid) 288 break; 289 } 290 if (amiga_realconfig == 0 && pcp >= epcp) 291 continue; 292 293 /* 294 * check if it's a Zorro II or III board and not linked into 295 * MemList (i.e. not a memory board) 296 */ 297 if ((cdp->rom.type & 0xe0) != 0xc0 && 298 (cdp->rom.type & 0xe0) != 0x80) 299 continue; /* er_Type != Zorro I/O */ 300 301 za.pa = cdp->addr; 302 za.size = cdp->size; 303 if (amiga_realconfig && pcp < epcp && pcp->vaddr) 304 za.va = pcp->vaddr; 305 else { 306 za.va = (void *) (isztwopa(za.pa) ? ztwomap(za.pa) 307 : zbusmap(za.pa, za.size)); 308 /* ??????? */ 309 /* 310 * save value if early console init 311 */ 312 if (amiga_realconfig == 0) 313 pcp->vaddr = za.va; 314 } 315 za.manid = cdp->rom.manid; 316 za.prodid = cdp->rom.prodid; 317 za.serno = cdp->rom.serno; 318 za.slot = (((u_long)za.pa >> 16) & 0xF) - 0x9; 319 amiga_config_found(early_cfdata, dp, &za, zbusprint); 320 } 321 } 322 323 /* 324 * print configuration info. 325 */ 326 int 327 zbusprint(void *auxp, const char *pnp) 328 { 329 struct zbus_args *zap; 330 int rv; 331 332 rv = UNCONF; 333 zap = auxp; 334 335 if (pnp) { 336 printf("%s at %s:", aconflookup(zap->manid, zap->prodid), 337 pnp); 338 if (zap->manid == -1) 339 rv = UNSUPP; 340 } 341 printf(" pa %8p man/pro %d/%d", zap->pa, zap->manid, zap->prodid); 342 return(rv); 343 } 344 345 /* 346 * this function is used to map Zorro physical I/O addresses into kernel 347 * virtual addresses. We don't keep track which address we map where, we don't 348 * NEED to know this. We made sure in amiga_init.c (by scanning all available 349 * Zorro devices) to have enough kva-space available, so there is no extra 350 * range check done here. 351 */ 352 caddr_t 353 zbusmap(caddr_t pa, u_int size) 354 { 355 static vaddr_t nextkva = 0; 356 vaddr_t kva; 357 358 if (nextkva == 0) 359 nextkva = ZBUSADDR; 360 361 if (nextkva > ZBUSADDR + ZBUSAVAIL) 362 return 0; 363 364 /* size better be an integral multiple of the page size... */ 365 kva = nextkva; 366 nextkva += size; 367 if (nextkva > ZBUSADDR + ZBUSAVAIL) 368 panic("allocating too much Zorro I/O address space"); 369 #if defined(__powerpc__) 370 /* 371 * XXX we use direct constant mapping, so no need for: 372 * physaccess((caddr_t)kva, (caddr_t)pa, size, PTE_RW|PTE_I); 373 */ 374 #elif defined(__m68k__) 375 physaccess((caddr_t)kva, (caddr_t)pa, size, PG_RW|PG_CI); 376 #else 377 ERROR no support for this target cpu yet. 378 #endif 379 return((caddr_t)kva); 380 } 381