1 /* $NetBSD: autoconf.c,v 1.14 2021/07/05 13:41:08 tsutsui Exp $ */
2
3 /*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1990, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah Hdr: autoconf.c 1.16 92/05/29
37 *
38 * @(#)autoconf.c 8.1 (Berkeley) 6/10/93
39 */
40
41 #include <sys/param.h>
42 #include <sys/reboot.h>
43
44 #include <hp300/stand/common/samachdep.h>
45 #include <hp300/stand/common/rominfo.h>
46 #include <hp300/stand/common/device.h>
47 #include <hp300/stand/common/hpibvar.h>
48 #include <hp300/stand/common/scsireg.h>
49 #include <hp300/stand/common/scsivar.h>
50
51 #include <hp300/dev/dioreg.h>
52 #include <hp300/dev/intioreg.h>
53
54 /*
55 * Mapping of ROM MSUS types to BSD major device numbers
56 * WARNING: major numbers must match bdevsw indices in hp300/conf.c.
57 */
58 static const char rom2mdev[] = {
59 0, 0, /* 0-1: none */
60 6, /* 2: network device; special */
61 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 3-13: none */
62 4, /* 14: SCSI disk */
63 0, /* 15: none */
64 2, /* 16: CS/80 device on HPIB */
65 2, /* 17: CS/80 device on HPIB */
66 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 18-31: none */
67 };
68
69 struct hp_hw sc_table[MAXCTLRS];
70 int cpuspeed;
71
72 static u_long msustobdev(void);
73 static void find_devs(void);
74
75 #ifdef PRINTROMINFO
76 void
printrominfo(void)77 printrominfo(void)
78 {
79 struct rominfo *rp = (struct rominfo *)ROMADDR;
80
81 printf("boottype %x, name %s, lowram %x, sysflag %x\n",
82 rp->boottype, rp->name, rp->lowram, rp->sysflag&0xff);
83 printf("rambase %x, ndrives %x, sysflag2 %x, msus %x\n",
84 rp->rambase, rp->ndrives, rp->sysflag2&0xff, rp->msus);
85 }
86 #endif
87
88 void
configure(void)89 configure(void)
90 {
91
92 switch (machineid) {
93 case HP_320:
94 case HP_330:
95 case HP_340:
96 cpuspeed = MHZ_16;
97 break;
98 case HP_350:
99 case HP_360:
100 case HP_362:
101 cpuspeed = MHZ_25;
102 break;
103 case HP_370:
104 cpuspeed = MHZ_33;
105 break;
106 case HP_375:
107 case HP_400:
108 cpuspeed = MHZ_50;
109 break;
110 case HP_380:
111 case HP_382:
112 case HP_425:
113 cpuspeed = MHZ_25 * 2; /* XXX */
114 break;
115 case HP_385:
116 case HP_433:
117 cpuspeed = MHZ_33 * 2; /* XXX */
118 break;
119 default: /* assume the fastest (largest delay value) */
120 cpuspeed = MHZ_50;
121 break;
122 }
123 find_devs();
124 cninit();
125 #ifdef PRINTROMINFO
126 printrominfo();
127 #endif
128 hpibinit();
129 scsiinit();
130 if ((bootdev & B_MAGICMASK) != B_DEVMAGIC)
131 bootdev = msustobdev();
132 }
133
134 /*
135 * Convert HP MSUS to a valid bootdev layout:
136 * TYPE comes from MSUS device type as mapped by rom2mdev
137 * PARTITION is set to 0 ('a')
138 * UNIT comes from MSUS unit (almost always 0)
139 * CONTROLLER comes from MSUS primary address
140 * ADAPTER comes from SCSI/HPIB driver logical unit number
141 * (passed back via unused hw_pa field)
142 */
143 static u_long
msustobdev(void)144 msustobdev(void)
145 {
146 struct rominfo *rp = (struct rominfo *) ROMADDR;
147 u_long bdev = 0;
148 struct hp_hw *hw;
149 int sc, type, ctlr, slave, punit;
150
151 sc = (rp->msus >> 8) & 0xFF;
152 for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++)
153 if (hw->hw_sc == sc)
154 break;
155
156 type = rom2mdev[(rp->msus >> 24) & 0x1F];
157 ctlr = (int)hw->hw_pa;
158 slave = (rp->msus & 0xFF);
159 punit = ((rp->msus >> 16) & 0xFF);
160
161 bdev = MAKEBOOTDEV(type, ctlr, slave, punit, 0);
162
163 #ifdef PRINTROMINFO
164 printf("msus %x -> bdev %x\n", rp->msus, bdev);
165 #endif
166 return bdev;
167 }
168
169 int
sctoaddr(int sc)170 sctoaddr(int sc)
171 {
172
173 if (sc == -1)
174 return INTIOBASE + FB_BASE;
175 if (sc == 7 && internalhpib)
176 return internalhpib ;
177 if (sc < 32)
178 return DIOBASE + sc * DIOCSIZE ;
179 if (sc >= DIOII_SCBASE)
180 return DIOIIBASE + (sc - DIOII_SCBASE) * DIOIICSIZE ;
181 return sc;
182 }
183
184 /*
185 * Probe all DIO select codes (0 - 32), the internal display address,
186 * and DIO-II select codes (132 - 256).
187 *
188 * Note that we only care about displays, LANCEs, SCSIs and HP-IBs.
189 */
190 static void
find_devs(void)191 find_devs(void)
192 {
193 short sc, sctop;
194 u_char *id_reg;
195 void *addr;
196 struct hp_hw *hw;
197
198 hw = sc_table;
199 sctop = DIO_SCMAX(machineid);
200 for (sc = -1; sc < sctop; sc++) {
201 if (DIO_INHOLE(sc))
202 continue;
203 addr = (void *)sctoaddr(sc);
204 if (badaddr(addr))
205 continue;
206
207 id_reg = (u_char *)addr;
208 hw->hw_pa = 0; /* XXX used to pass back LUN from driver */
209 if (sc >= DIOII_SCBASE)
210 hw->hw_size = DIOII_SIZE(id_reg);
211 else
212 hw->hw_size = DIOCSIZE;
213 hw->hw_kva = addr;
214 hw->hw_id = DIO_ID(id_reg);
215 hw->hw_sc = sc;
216
217 /*
218 * Not all internal HP-IBs respond rationally to id requests
219 * so we just go by the "internal HPIB" indicator in SYSFLAG.
220 */
221 if (sc == 7 && internalhpib) {
222 hw->hw_type = C_HPIB;
223 hw++;
224 continue;
225 }
226
227 switch (hw->hw_id) {
228 case 5: /* 98642A */
229 case 5+128: /* 98642A remote */
230 hw->hw_type = D_COMMDCM;
231 break;
232 case 8: /* 98625B */
233 case 128: /* 98624A */
234 hw->hw_type = C_HPIB;
235 break;
236 case 21: /* LANCE */
237 hw->hw_type = D_LAN;
238 break;
239 case 57: /* Displays */
240 hw->hw_type = D_BITMAP;
241 hw->hw_secid = id_reg[0x15];
242 switch (hw->hw_secid) {
243 case 4: /* renaissance */
244 case 8: /* davinci */
245 sc++; /* occupy 2 select codes */
246 break;
247 }
248 break;
249 case 9:
250 hw->hw_type = D_KEYBOARD;
251 break;
252 case 7:
253 case 7+32:
254 case 7+64:
255 case 7+96:
256 hw->hw_type = C_SCSI;
257 break;
258 default: /* who cares */
259 hw->hw_type = D_MISC;
260 break;
261 }
262 hw++;
263 }
264 }
265