1 /* $NetBSD: zbus.c,v 1.46 2002/01/28 09:57:04 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 1.46 2002/01/28 09:57:04 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 58 /* 59 * explain the names.. 0123456789 => zothfisven 60 */ 61 static struct aconfdata aconftab[] = { 62 /* Commodore Amiga */ 63 { "atzee", 513, 1 }, 64 { "atzsc", 514, 2 }, 65 { "atzsc", 514, 3 }, 66 { "bah", 514, 9 }, /* A2060 */ 67 { "ql", 514, 69 }, 68 { "ql", 514, 70 }, 69 { "atfsc", 514, 84 }, 70 { "le", 514, 112 }, 71 /* Ameristar */ 72 { "le", 1053, 1 }, 73 { "bah", 1053, 9 }, /* A2060 */ 74 { "es", 1053, 10 }, 75 /* University of Lowell */ 76 { "grful", 1030, 0 }, 77 /* DMI */ 78 { "grfrs", 2129, 1 }, /* Resolver graphics board */ 79 /* Macrosystems */ 80 { "grfrt", 18260, 6 }, 81 { "grfrh", 18260, 16}, /* Retina BLT Z3 */ 82 { "grfrh", 18260, 19}, /* Altais */ 83 /* Greater valley products */ 84 { "gvpbus", 2017, 2 }, 85 { "gvpbus", 2017, 11 }, 86 { "giv", 2017, 32 }, 87 { "gio", 2017, 255 }, 88 /* progressive perhiperals */ 89 { "zssc", 2026, 150 }, 90 { "ppia", 2026, 187 }, 91 { "ppta", 2026, 105 }, 92 { "ppha", 2026, 1 }, 93 { "mrsc", 2026, 0 }, 94 /* CSA */ 95 { "mgnsc", 1058, 17 }, 96 { "otgsc", 1058, 21 }, 97 /* Microbotics */ 98 { "vhzsc", 1010, 69 }, 99 /* Supra */ 100 { "wstsc", 1056, 12 }, 101 { "wstsc", 1056, 13 }, 102 /* IVS */ 103 { "itrmp", 2112, 48 }, 104 { "itrmp", 2112, 52 }, 105 { "ivasc", 2112, 242 }, 106 { "ivsc", 2112, 243 }, 107 /* Hydra */ 108 { "ed", 2121, 1 }, 109 /* ASDG */ 110 { "ed", 1023, 254 }, 111 /* Village Tronic Ariadne */ 112 { "le", 2167, 201}, 113 /* Village Tronic Ariadne II */ 114 { "ne", 2167, 202}, 115 /* bsc/Alf Data */ 116 { "Tandem", 2092, 6 }, /* Tandem AT disk controler */ 117 { "mfc", 2092, 16 }, 118 { "mfc", 2092, 17 }, 119 { "mfc", 2092, 18 }, 120 /* Cirrus CL GD 5426 -> Picasso, Piccolo, EGS Spectrum */ 121 { "grfcl", 2167, 11}, /* PicassoII mem */ 122 { "grfcl", 2167, 12}, /* PicassoII regs */ 123 { "grfcl", 2167, 21}, /* PicassoIV Z2 mem1 */ 124 { "grfcl", 2167, 22}, /* PicassoIV Z2 mem2 */ 125 { "grfcl", 2167, 23}, /* PicassoIV Z2 regs */ 126 { "grfcl", 2167, 24}, /* PicassoIV Z3 */ 127 { "grfcl", 2193, 2}, /* Spectrum mem */ 128 { "grfcl", 2193, 1}, /* Spectrum regs */ 129 { "grfcl", 2195, 5}, /* Piccolo mem */ 130 { "grfcl", 2195, 6}, /* Piccolo regs */ 131 { "grfcl", 2195, 10}, /* Piccolo SD64 mem */ 132 { "grfcl", 2195, 11}, /* Piccolo SD64 regs */ 133 /* MacroSystemsUS */ 134 { "wesc", 2203, 19}, /* Warp engine */ 135 /* phase 5 digital products */ 136 { "flmem", 8512, 10}, /* FastlaneZ3 memory */ 137 { "flsc", 8512, 11}, /* FastlaneZ3 */ 138 { "cbsc", 8512, 12}, /* Cyberstorm Mk I SCSI */ 139 { "bzivsc", 8512, 17}, /* Blizzard IV SCSI */ 140 { "bztzsc", 8512, 24}, /* Blizzard 2060 SCSI */ 141 { "cbiisc", 8512, 25}, /* Cyberstorm Mk II SCSI */ 142 { "grfcv", 8512, 34}, /* CyberVison 64 */ 143 { "grfcv3d", 8512, 67}, /* CyberVison 64/3D */ 144 { "cbiiisc", 8512, 100}, /* Cyberstorm Mk III SCSI */ 145 /* Hacker Inc. */ 146 { "mlhsc", 2011, 1 }, 147 /* Resource Management Force */ 148 { "qn", 2011, 2 }, /* QuickNet Ethernet */ 149 /* ??? */ 150 { "empsc", 2171, 21 }, /* Emplant SCSI */ 151 { "empsc", 2171, 32 }, /* Emplant SCSI */ 152 /* Tseng ET4000 boards */ 153 { "grfet", 2117, 3 }, /* Merlin mem */ 154 { "grfet", 2117, 4 }, /* Merlin regs */ 155 { "grfet", 2167, 1 }, /* Domino mem */ 156 { "grfet", 2167, 2 }, /* Domino regs */ 157 { "grfet", 2167, 3 }, /* Domino regs (proto 16M) */ 158 { "grfet", 2181, 0 }, /* oMniBus */ 159 /* Advanced Systems */ 160 { "nxsc", 2102, 1 }, /* Nexus SCSI board */ 161 /* Masoboshi */ 162 { "mcsc", 8535, 4 }, /* Masoboshi Mastercard 702 */ 163 /* Apollo */ 164 { "apssc", 8738, 35 }, /* Apollo '060 scsi */ 165 /* KATO development */ 166 { "aumld", 2145, 128 }, /* Melody MPEG layer 2 audio board */ 167 /* Individual Computers Jens Schoenfeld */ 168 { "buddha", 4626, 0 }, 169 { "X-serve", 4626, 23 }, /* X-serve Ethernet */ 170 /* VMC Harald Frank */ 171 { "blst", 5001, 1}, /* ISDN Blaster */ 172 { "hyper4", 5001, 2}, /* Hypercom4-Zbus */ 173 { "hyper3Z", 5001, 3}, /* Hypercom3-Zbus */ 174 { "hyper4+", 5001, 6}, /* Hypercom4+ */ 175 { "hyper3+", 5001, 7} /* Hypercom3+ */ 176 }; 177 static int naconfent = sizeof(aconftab) / sizeof(struct aconfdata); 178 179 /* 180 * Anything listed in this table is subject to pre-configuration, 181 * if autoconf.c:config_console() calls amiga_config_found() on 182 * the Zorro III device. 183 */ 184 static struct preconfdata preconftab[] = { 185 {18260, 6, 0 }, /* Retina Z2 */ /* grf1 */ 186 {18260, 16, 0}, /* Retina BLT Z3 */ /* grf2 */ 187 {18260, 19, 0}, /* Altais */ 188 {2167, 11, 0}, /* PicassoII mem */ /* grf3 */ 189 {2167, 12, 0}, /* PicassoII regs */ 190 {2167, 21, 0}, /* PicassoIV Z2 mem1 */ 191 {2167, 22, 0}, /* PicassoIV Z2 mem2 */ 192 {2167, 23, 0}, /* PicassoIV Z2 regs */ 193 {2167, 24, 0}, /* PicassoIV Z3 */ 194 {2193, 2, 0}, /* Spectrum mem */ 195 {2193, 1, 0}, /* Spectrum regs */ 196 {2195, 5, 0}, /* Piccolo mem */ 197 {2195, 6, 0}, /* Piccolo regs */ 198 {2195, 10, 0}, /* Piccolo SD64 mem */ 199 {2195, 11, 0}, /* Piccolo SD64 regs */ 200 {1030, 0, 0}, /* Ulwl board */ /* grf4 */ 201 {8512, 34, 0}, /* Cybervison 64 */ /* grf5 */ 202 {2117, 3, 0}, /* Merlin mem */ /* grf6 */ 203 {2117, 4, 0}, /* Merlin regs */ 204 {2167, 1, 0}, /* Domino mem */ 205 {2167, 2, 0}, /* Domino regs */ 206 {2167, 3, 0}, /* Domino regs (proto 16M) */ 207 {2181, 0, 0}, /* oMniBus mem or regs */ 208 {8512, 67, 0} /* Cybervison 64/3D */ /* grf7 */ 209 }; 210 static int npreconfent = sizeof(preconftab) / sizeof(struct preconfdata); 211 212 213 void zbusattach(struct device *, struct device *, void *); 214 int zbusprint(void *, const char *); 215 int zbusmatch(struct device *, struct cfdata *, void *); 216 caddr_t zbusmap(caddr_t, u_int); 217 static char *aconflookup(int, int); 218 219 /* 220 * given a manufacturer id and product id, find the name 221 * that describes this board. 222 */ 223 static char * 224 aconflookup(int mid, int pid) 225 { 226 struct aconfdata *adp, *eadp; 227 228 eadp = &aconftab[naconfent]; 229 for (adp = aconftab; adp < eadp; adp++) 230 if (adp->manid == mid && adp->prodid == pid) 231 return(adp->name); 232 return("board"); 233 } 234 235 /* 236 * mainbus driver 237 */ 238 239 struct cfattach zbus_ca = { 240 sizeof(struct device), zbusmatch, zbusattach 241 }; 242 243 static struct cfdata *early_cfdata; 244 245 /*ARGSUSED*/ 246 int 247 zbusmatch(struct device *pdp, struct cfdata *cfp, 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(struct device *pdp, struct device *dp, void *auxp) 264 { 265 struct zbus_args za; 266 struct preconfdata *pcp, *epcp; 267 struct cfdev *cdp, *ecdp; 268 269 epcp = &preconftab[npreconfent]; 270 ecdp = &cfdev[ncfdev]; 271 if (amiga_realconfig) { 272 if (ZTWOMEMADDR) 273 printf(": mem 0x%08lx-0x%08lx", 274 ZTWOMEMADDR, ZTWOMEMADDR + NBPG * NZTWOMEMPG - 1); 275 if (ZBUSAVAIL) 276 printf (": i/o size 0x%08x", ZBUSAVAIL); 277 printf("\n"); 278 } 279 for (cdp = cfdev; cdp < ecdp; cdp++) { 280 for (pcp = preconftab; pcp < epcp; pcp++) { 281 if (pcp->manid == cdp->rom.manid && 282 pcp->prodid == cdp->rom.prodid) 283 break; 284 } 285 if (amiga_realconfig == 0 && pcp >= epcp) 286 continue; 287 288 /* 289 * check if it's a Zorro II or III board and not linked into 290 * MemList (i.e. not a memory board) 291 */ 292 if ((cdp->rom.type & 0xe0) != 0xc0 && 293 (cdp->rom.type & 0xe0) != 0x80) 294 continue; /* er_Type != Zorro I/O */ 295 296 za.pa = cdp->addr; 297 za.size = cdp->size; 298 if (amiga_realconfig && pcp < epcp && pcp->vaddr) 299 za.va = pcp->vaddr; 300 else { 301 za.va = (void *) (isztwopa(za.pa) ? ztwomap(za.pa) 302 : zbusmap(za.pa, za.size)); 303 /* ??????? */ 304 /* 305 * save value if early console init 306 */ 307 if (amiga_realconfig == 0) 308 pcp->vaddr = za.va; 309 } 310 za.manid = cdp->rom.manid; 311 za.prodid = cdp->rom.prodid; 312 za.serno = cdp->rom.serno; 313 za.slot = (((u_long)za.pa >> 16) & 0xF) - 0x9; 314 amiga_config_found(early_cfdata, dp, &za, zbusprint); 315 } 316 } 317 318 /* 319 * print configuration info. 320 */ 321 int 322 zbusprint(void *auxp, const char *pnp) 323 { 324 struct zbus_args *zap; 325 int rv; 326 327 rv = UNCONF; 328 zap = auxp; 329 330 if (pnp) { 331 printf("%s at %s:", aconflookup(zap->manid, zap->prodid), 332 pnp); 333 if (zap->manid == -1) 334 rv = UNSUPP; 335 } 336 printf(" pa %8p man/pro %d/%d", zap->pa, zap->manid, zap->prodid); 337 return(rv); 338 } 339 340 /* 341 * this function is used to map Zorro physical I/O addresses into kernel 342 * virtual addresses. We don't keep track which address we map where, we don't 343 * NEED to know this. We made sure in amiga_init.c (by scanning all available 344 * Zorro devices) to have enough kva-space available, so there is no extra 345 * range check done here. 346 */ 347 caddr_t 348 zbusmap(caddr_t pa, u_int size) 349 { 350 static vaddr_t nextkva = 0; 351 vaddr_t kva; 352 353 if (nextkva == 0) 354 nextkva = ZBUSADDR; 355 356 if (nextkva > ZBUSADDR + ZBUSAVAIL) 357 return 0; 358 359 /* size better be an integral multiple of the page size... */ 360 kva = nextkva; 361 nextkva += size; 362 if (nextkva > ZBUSADDR + ZBUSAVAIL) 363 panic("allocating too much Zorro I/O address space"); 364 #if defined(__powerpc__) 365 /* 366 * XXX we use direct constant mapping, so no need for: 367 * physaccess((caddr_t)kva, (caddr_t)pa, size, PTE_RW|PTE_I); 368 */ 369 #elif defined(__m68k__) 370 physaccess((caddr_t)kva, (caddr_t)pa, size, PG_RW|PG_CI); 371 #else 372 ERROR no support for this target cpu yet. 373 #endif 374 return((caddr_t)kva); 375 } 376