autoconf.c revision 1.4.10.1 1 /* $NetBSD: autoconf.c,v 1.4.10.1 2005/03/19 08:32:58 yamt 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