1 /* $NetBSD: autoconf.c,v 1.6 2005/12/11 12:17:19 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * from: Utah Hdr: autoconf.c 1.16 92/05/29 36 * 37 * @(#)autoconf.c 8.1 (Berkeley) 6/10/93 38 */ 39 /* 40 * Copyright (c) 1988 University of Utah. 41 * 42 * This code is derived from software contributed to Berkeley by 43 * the Systems Programming Group of the University of Utah Computer 44 * Science Department. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * from: Utah Hdr: autoconf.c 1.16 92/05/29 75 * 76 * @(#)autoconf.c 8.1 (Berkeley) 6/10/93 77 */ 78 79 #include <sys/param.h> 80 #include <sys/reboot.h> 81 82 #include <hp300/stand/common/samachdep.h> 83 #include <hp300/stand/common/rominfo.h> 84 #include <hp300/stand/common/device.h> 85 #include <hp300/stand/common/hpibvar.h> 86 #include <hp300/stand/common/scsireg.h> 87 #include <hp300/stand/common/scsivar.h> 88 89 #include <hp300/dev/grfreg.h> 90 91 /* 92 * Mapping of ROM MSUS types to BSD major device numbers 93 * WARNING: major numbers must match bdevsw indices in hp300/conf.c. 94 */ 95 static const char rom2mdev[] = { 96 0, 0, /* 0-1: none */ 97 6, /* 2: network device; special */ 98 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 3-13: none */ 99 4, /* 14: SCSI disk */ 100 0, /* 15: none */ 101 2, /* 16: CS/80 device on HPIB */ 102 2, /* 17: CS/80 device on HPIB */ 103 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 18-31: none */ 104 }; 105 106 struct hp_hw sc_table[MAXCTLRS]; 107 int cpuspeed; 108 109 static u_long msustobdev(void); 110 static void find_devs(void); 111 112 #ifdef PRINTROMINFO 113 void 114 printrominfo(void) 115 { 116 struct rominfo *rp = (struct rominfo *)ROMADDR; 117 118 printf("boottype %x, name %s, lowram %x, sysflag %x\n", 119 rp->boottype, rp->name, rp->lowram, rp->sysflag&0xff); 120 printf("rambase %x, ndrives %x, sysflag2 %x, msus %x\n", 121 rp->rambase, rp->ndrives, rp->sysflag2&0xff, rp->msus); 122 } 123 #endif 124 125 void 126 configure(void) 127 { 128 129 switch (machineid) { 130 case HP_320: 131 case HP_330: 132 case HP_340: 133 cpuspeed = MHZ_16; 134 break; 135 case HP_350: 136 case HP_360: 137 cpuspeed = MHZ_25; 138 break; 139 case HP_370: 140 cpuspeed = MHZ_33; 141 break; 142 case HP_375: 143 cpuspeed = MHZ_50; 144 break; 145 case HP_380: 146 cpuspeed = MHZ_25 * 2; /* XXX */ 147 break; 148 case HP_385: 149 case HP_433: 150 cpuspeed = MHZ_33 * 2; /* XXX */ 151 break; 152 default: /* assume the fastest (largest delay value) */ 153 cpuspeed = MHZ_50; 154 break; 155 } 156 find_devs(); 157 cninit(); 158 #ifdef PRINTROMINFO 159 printrominfo(); 160 #endif 161 hpibinit(); 162 scsiinit(); 163 if ((bootdev & B_MAGICMASK) != B_DEVMAGIC) 164 bootdev = msustobdev(); 165 } 166 167 /* 168 * Convert HP MSUS to a valid bootdev layout: 169 * TYPE comes from MSUS device type as mapped by rom2mdev 170 * PARTITION is set to 0 ('a') 171 * UNIT comes from MSUS unit (almost always 0) 172 * CONTROLLER comes from MSUS primary address 173 * ADAPTER comes from SCSI/HPIB driver logical unit number 174 * (passed back via unused hw_pa field) 175 */ 176 static u_long 177 msustobdev(void) 178 { 179 struct rominfo *rp = (struct rominfo *) ROMADDR; 180 u_long bdev = 0; 181 struct hp_hw *hw; 182 int sc, type, ctlr, slave, punit; 183 184 sc = (rp->msus >> 8) & 0xFF; 185 for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++) 186 if (hw->hw_sc == sc) 187 break; 188 189 type = rom2mdev[(rp->msus >> 24) & 0x1F]; 190 ctlr = (int)hw->hw_pa; 191 slave = (rp->msus & 0xFF); 192 punit = ((rp->msus >> 16) & 0xFF); 193 194 bdev = MAKEBOOTDEV(type, ctlr, slave, punit, 0); 195 196 #ifdef PRINTROMINFO 197 printf("msus %x -> bdev %x\n", rp->msus, bdev); 198 #endif 199 return bdev; 200 } 201 202 int 203 sctoaddr(int sc) 204 { 205 206 if (sc == -1) 207 return GRFIADDR ; 208 if (sc == 7 && internalhpib) 209 return internalhpib ; 210 if (sc < 32) 211 return DIOBASE + sc * DIOCSIZE ; 212 if (sc >= 132) 213 return DIOIIBASE + (sc - 132) * DIOIICSIZE ; 214 return sc; 215 } 216 217 /* 218 * Probe all DIO select codes (0 - 32), the internal display address, 219 * and DIO-II select codes (132 - 256). 220 * 221 * Note that we only care about displays, LANCEs, SCSIs and HP-IBs. 222 */ 223 static void 224 find_devs(void) 225 { 226 short sc, sctop; 227 u_char *id_reg; 228 caddr_t addr; 229 struct hp_hw *hw; 230 231 hw = sc_table; 232 sctop = machineid == HP_320 ? 32 : 256; 233 for (sc = -1; sc < sctop; sc++) { 234 if (sc >= 32 && sc < 132) 235 continue; 236 addr = (caddr_t) sctoaddr(sc); 237 if (badaddr(addr)) 238 continue; 239 240 id_reg = (u_char *) addr; 241 hw->hw_pa = 0; /* XXX used to pass back LUN from driver */ 242 if (sc >= 132) 243 hw->hw_size = (id_reg[0x101] + 1) * 0x100000; 244 else 245 hw->hw_size = DIOCSIZE; 246 hw->hw_kva = addr; 247 hw->hw_id = id_reg[1]; 248 hw->hw_sc = sc; 249 250 /* 251 * Not all internal HP-IBs respond rationally to id requests 252 * so we just go by the "internal HPIB" indicator in SYSFLAG. 253 */ 254 if (sc == 7 && internalhpib) { 255 hw->hw_type = C_HPIB; 256 hw++; 257 continue; 258 } 259 260 switch (hw->hw_id) { 261 case 5: /* 98642A */ 262 case 5+128: /* 98642A remote */ 263 hw->hw_type = D_COMMDCM; 264 break; 265 case 8: /* 98625B */ 266 case 128: /* 98624A */ 267 hw->hw_type = C_HPIB; 268 break; 269 case 21: /* LANCE */ 270 hw->hw_type = D_LAN; 271 break; 272 case 57: /* Displays */ 273 hw->hw_type = D_BITMAP; 274 hw->hw_secid = id_reg[0x15]; 275 switch (hw->hw_secid) { 276 case 4: /* renaissance */ 277 case 8: /* davinci */ 278 sc++; /* occupy 2 select codes */ 279 break; 280 } 281 break; 282 case 9: 283 hw->hw_type = D_KEYBOARD; 284 break; 285 case 7: 286 case 7+32: 287 case 7+64: 288 case 7+96: 289 hw->hw_type = C_SCSI; 290 break; 291 default: /* who cares */ 292 hw->hw_type = D_MISC; 293 break; 294 } 295 hw++; 296 } 297 } 298