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1.1 nbrk 1: /* $OpenBSD: autoconf.c,v 1.7 2006/08/17 06:31:10 miod Exp $ */
2: /* $NetBSD: autoconf.c,v 1.12 1997/01/30 10:32:51 thorpej Exp $ */
3:
4: /*
5: * Copyright (c) 1988 University of Utah.
6: * Copyright (c) 1990, 1993
7: * The Regents of the University of California. All rights reserved.
8: *
9: * This code is derived from software contributed to Berkeley by
10: * the Systems Programming Group of the University of Utah Computer
11: * Science Department.
12: *
13: * Redistribution and use in source and binary forms, with or without
14: * modification, are permitted provided that the following conditions
15: * are met:
16: * 1. Redistributions of source code must retain the above copyright
17: * notice, this list of conditions and the following disclaimer.
18: * 2. Redistributions in binary form must reproduce the above copyright
19: * notice, this list of conditions and the following disclaimer in the
20: * documentation and/or other materials provided with the distribution.
21: * 3. Neither the name of the University nor the names of its contributors
22: * may be used to endorse or promote products derived from this software
23: * without specific prior written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35: * SUCH DAMAGE.
36: *
37: * from: Utah Hdr: autoconf.c 1.16 92/05/29
38: *
39: * @(#)autoconf.c 8.1 (Berkeley) 6/10/93
40: */
41:
42: #include <sys/param.h>
43: #include <sys/reboot.h>
44:
45: #include "samachdep.h"
46: #include "consdefs.h"
47: #include "rominfo.h"
48: #include "device.h"
49: #include "grfreg.h"
50:
51: void configure(void);
52: void find_devs(void);
53: u_long msustobdev(void);
54: void printrominfo(void);
55:
56: /*
57: * Mapping of ROM MSUS types to BSD major device numbers
58: * WARNING: major numbers must match bdevsw indices in hp300/conf.c.
59: */
60: char rom2mdev[] = {
61: 0, 0, /* 0-1: none */
62: 6, /* 2: network device; special */
63: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 3-13: none */
64: 4, /* 14: SCSI disk */
65: 0, /* 15: none */
66: 2, /* 16: CS/80 device on HPIB */
67: 2, /* 17: CS/80 device on HPIB */
68: 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 18-31: none */
69: };
70:
71: struct hp_hw sc_table[MAXCTLRS];
72: int cpuspeed;
73:
74: extern int internalhpib;
75:
76: void find_devs(void);
77:
78: #ifdef PRINTROMINFO
79: void
80: printrominfo()
81: {
82: struct rominfo *rp = (struct rominfo *)ROMADDR;
83:
84: printf("boottype %x, name %s, lowram %x, sysflag %x\n",
85: rp->boottype, rp->name, rp->lowram, rp->sysflag&0xff);
86: printf("rambase %x, ndrives %x, sysflag2 %x, msus %x\n",
87: rp->rambase, rp->ndrives, rp->sysflag2&0xff, rp->msus);
88: }
89: #endif
90:
91: void
92: configure()
93: {
94: switch (machineid) {
95: case HP_320:
96: case HP_330:
97: case HP_340:
98: cpuspeed = MHZ_16;
99: break;
100: case HP_350:
101: case HP_360:
102: #if 0 /* bootblocks do not tell 360 apart from 362 at the moment */
103: case HP_362:
104: #endif
105: cpuspeed = MHZ_25;
106: break;
107: case HP_370:
108: cpuspeed = MHZ_33;
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: case HP_345:
120: case HP_375:
121: case HP_400:
122: default: /* assume the fastest (largest delay value) */
123: cpuspeed = MHZ_50;
124: break;
125: }
126: find_devs();
127: cninit();
128: #ifdef PRINTROMINFO
129: printrominfo();
130: #endif
131: hpibinit();
132: scsiinit();
133: if ((bootdev & B_MAGICMASK) != B_DEVMAGIC)
134: bootdev = msustobdev();
135: }
136:
137: /*
138: * Convert HP MSUS to a valid bootdev layout:
139: * TYPE comes from MSUS device type as mapped by rom2mdev
140: * PARTITION is set to 0 ('a')
141: * UNIT comes from MSUS unit (almost always 0)
142: * CONTROLLER comes from MSUS primary address
143: * ADAPTER comes from SCSI/HPIB driver logical unit number
144: * (passed back via unused hw_pa field)
145: */
146: u_long
147: msustobdev()
148: {
149: struct rominfo *rp = (struct rominfo *) ROMADDR;
150: u_long bdev = 0;
151: struct hp_hw *hw;
152: int sc, type, ctlr, slave, punit;
153:
154: sc = (rp->msus >> 8) & 0xFF;
155: for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++)
156: if (hw->hw_sc == sc)
157: break;
158:
159: type = rom2mdev[(rp->msus >> 24) & 0x1F];
160: ctlr = (int)hw->hw_pa;
161: slave = (rp->msus & 0xFF);
162: punit = ((rp->msus >> 16) & 0xFF);
163:
164: bdev = MAKEBOOTDEV(type, ctlr, slave, punit, 0);
165:
166: #ifdef PRINTROMINFO
167: printf("msus %x -> bdev %x\n", rp->msus, bdev);
168: #endif
169: return (bdev);
170: }
171:
172: u_long
173: sctoaddr(sc)
174: int sc;
175: {
176: if (sc == -1)
177: return(GRFIADDR);
178: if (sc == 7 && internalhpib)
179: return(internalhpib);
180: if (sc < 32)
181: return(DIOBASE + sc * DIOCSIZE);
182: if (sc >= 132)
183: return(DIOIIBASE + (sc - 132) * DIOIICSIZE);
184: return(sc);
185: }
186:
187: /*
188: * Probe all DIO select codes (0 - 32), the internal display address,
189: * and DIO-II select codes (132 - 256).
190: *
191: * Note that we only care about displays, LANCEs, SCSIs and HP-IBs.
192: */
193: void
194: find_devs()
195: {
196: short sc, sctop;
197: u_char *id_reg;
198: caddr_t addr;
199: struct hp_hw *hw;
200:
201: hw = sc_table;
202: sctop = machineid == HP_320 ? 32 : 256;
203: for (sc = -1; sc < sctop; sc++) {
204: if (sc >= 32 && sc < 132)
205: continue;
206: addr = (caddr_t) sctoaddr(sc);
207: if (badaddr(addr))
208: continue;
209:
210: id_reg = (u_char *) addr;
211: hw->hw_pa = 0; /* XXX used to pass back LUN from driver */
212: if (sc >= 132)
213: hw->hw_size = (id_reg[0x101] + 1) * 0x100000;
214: else
215: hw->hw_size = DIOCSIZE;
216: hw->hw_kva = addr;
217: hw->hw_id = id_reg[1];
218: hw->hw_sc = sc;
219:
220: /*
221: * Not all internal HP-IBs respond rationally to id requests
222: * so we just go by the "internal HPIB" indicator in SYSFLAG.
223: */
224: if (sc == 7 && internalhpib) {
225: hw->hw_type = C_HPIB;
226: hw++;
227: continue;
228: }
229:
230: switch (hw->hw_id) {
231: case 5: /* 98642A */
232: case 5+128: /* 98642A remote */
233: hw->hw_type = D_COMMDCM;
234: break;
235: case 8: /* 98625B */
236: case 128: /* 98624A */
237: hw->hw_type = C_HPIB;
238: break;
239: case 21: /* LANCE */
240: hw->hw_type = D_LAN;
241: break;
242: case 57: /* Displays */
243: hw->hw_type = D_BITMAP;
244: hw->hw_secid = id_reg[0x15];
245: switch (hw->hw_secid) {
246: case 4: /* renaissance */
247: case 8: /* davinci */
248: sc++; /* occupy 2 select codes */
249: break;
250: case 0x11: /* 3x2 internal display */
251: sc += 3; /* occupy 4 select codes */
252: break;
253: }
254: break;
255: case 9:
256: hw->hw_type = D_KEYBOARD;
257: break;
258: case 7:
259: case 7+32:
260: case 7+64:
261: case 7+96:
262: hw->hw_type = C_SCSI;
263: break;
264: default: /* who cares */
265: hw->hw_type = D_MISC;
266: break;
267: }
268: hw++;
269: }
270: }