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autoconf.c revision 1.9
      1 /*	$NetBSD: autoconf.c,v 1.9 2006/07/20 13:21:38 tsutsui 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 #include <hp300/dev/intioreg.h>
     91 
     92 /*
     93  * Mapping of ROM MSUS types to BSD major device numbers
     94  * WARNING: major numbers must match bdevsw indices in hp300/conf.c.
     95  */
     96 static const char rom2mdev[] = {
     97 	0, 0, 						/* 0-1: none */
     98 	6,	/* 2: network device; special */
     99 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,		/* 3-13: none */
    100 	4,	/* 14: SCSI disk */
    101 	0,	/* 15: none */
    102 	2,	/* 16: CS/80 device on HPIB */
    103 	2,	/* 17: CS/80 device on HPIB */
    104 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,	/* 18-31: none */
    105 };
    106 
    107 struct hp_hw sc_table[MAXCTLRS];
    108 int cpuspeed;
    109 
    110 static u_long msustobdev(void);
    111 static void find_devs(void);
    112 
    113 #ifdef PRINTROMINFO
    114 void
    115 printrominfo(void)
    116 {
    117 	struct rominfo *rp = (struct rominfo *)ROMADDR;
    118 
    119 	printf("boottype %x, name %s, lowram %x, sysflag %x\n",
    120 	       rp->boottype, rp->name, rp->lowram, rp->sysflag&0xff);
    121 	printf("rambase %x, ndrives %x, sysflag2 %x, msus %x\n",
    122 	       rp->rambase, rp->ndrives, rp->sysflag2&0xff, rp->msus);
    123 }
    124 #endif
    125 
    126 void
    127 configure(void)
    128 {
    129 
    130 	switch (machineid) {
    131 	case HP_320:
    132 	case HP_330:
    133 	case HP_340:
    134 		cpuspeed = MHZ_16;
    135 		break;
    136 	case HP_350:
    137 	case HP_360:
    138 	case HP_362:
    139 		cpuspeed = MHZ_25;
    140 		break;
    141 	case HP_370:
    142 		cpuspeed = MHZ_33;
    143 		break;
    144 	case HP_375:
    145 	case HP_400:
    146 		cpuspeed = MHZ_50;
    147 		break;
    148 	case HP_380:
    149 	case HP_382:
    150 	case HP_425:
    151 		cpuspeed = MHZ_25 * 2;	/* XXX */
    152 		break;
    153 	case HP_385:
    154 	case HP_433:
    155 		cpuspeed = MHZ_33 * 2;	/* XXX */
    156 		break;
    157 	default:	/* assume the fastest (largest delay value) */
    158 		cpuspeed = MHZ_50;
    159 		break;
    160 	}
    161 	find_devs();
    162 	cninit();
    163 #ifdef PRINTROMINFO
    164 	printrominfo();
    165 #endif
    166 	hpibinit();
    167 	scsiinit();
    168 	if ((bootdev & B_MAGICMASK) != B_DEVMAGIC)
    169 		bootdev = msustobdev();
    170 }
    171 
    172 /*
    173  * Convert HP MSUS to a valid bootdev layout:
    174  *	TYPE comes from MSUS device type as mapped by rom2mdev
    175  *	PARTITION is set to 0 ('a')
    176  *	UNIT comes from MSUS unit (almost always 0)
    177  *	CONTROLLER comes from MSUS primary address
    178  *	ADAPTER comes from SCSI/HPIB driver logical unit number
    179  *		(passed back via unused hw_pa field)
    180  */
    181 static u_long
    182 msustobdev(void)
    183 {
    184 	struct rominfo *rp = (struct rominfo *) ROMADDR;
    185 	u_long bdev = 0;
    186 	struct hp_hw *hw;
    187 	int sc, type, ctlr, slave, punit;
    188 
    189 	sc = (rp->msus >> 8) & 0xFF;
    190 	for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++)
    191 		if (hw->hw_sc == sc)
    192 			break;
    193 
    194 	type  = rom2mdev[(rp->msus >> 24) & 0x1F];
    195 	ctlr  = (int)hw->hw_pa;
    196 	slave = (rp->msus & 0xFF);
    197 	punit = ((rp->msus >> 16) & 0xFF);
    198 
    199 	bdev  = MAKEBOOTDEV(type, ctlr, slave, punit, 0);
    200 
    201 #ifdef PRINTROMINFO
    202 	printf("msus %x -> bdev %x\n", rp->msus, bdev);
    203 #endif
    204 	return bdev;
    205 }
    206 
    207 int
    208 sctoaddr(int sc)
    209 {
    210 
    211 	if (sc == -1)
    212 		return INTIOBASE + FB_BASE;
    213 	if (sc == 7 && internalhpib)
    214 		return internalhpib ;
    215 	if (sc < 32)
    216 		return DIOBASE + sc * DIOCSIZE ;
    217 	if (sc >= 132)
    218 		return DIOIIBASE + (sc - 132) * DIOIICSIZE ;
    219 	return sc;
    220 }
    221 
    222 /*
    223  * Probe all DIO select codes (0 - 32), the internal display address,
    224  * and DIO-II select codes (132 - 256).
    225  *
    226  * Note that we only care about displays, LANCEs, SCSIs and HP-IBs.
    227  */
    228 static void
    229 find_devs(void)
    230 {
    231 	short sc, sctop;
    232 	u_char *id_reg;
    233 	caddr_t addr;
    234 	struct hp_hw *hw;
    235 
    236 	hw = sc_table;
    237 	sctop = machineid == HP_320 ? 32 : 256;
    238 	for (sc = -1; sc < sctop; sc++) {
    239 		if (sc >= 32 && sc < 132)
    240 			continue;
    241 		addr = (caddr_t) sctoaddr(sc);
    242 		if (badaddr(addr))
    243 			continue;
    244 
    245 		id_reg = (u_char *) addr;
    246 		hw->hw_pa = 0;	/* XXX used to pass back LUN from driver */
    247 		if (sc >= 132)
    248 			hw->hw_size = (id_reg[0x101] + 1) * 0x100000;
    249 		else
    250 			hw->hw_size = DIOCSIZE;
    251 		hw->hw_kva = addr;
    252 		hw->hw_id = id_reg[1];
    253 		hw->hw_sc = sc;
    254 
    255 		/*
    256 		 * Not all internal HP-IBs respond rationally to id requests
    257 		 * so we just go by the "internal HPIB" indicator in SYSFLAG.
    258 		 */
    259 		if (sc == 7 && internalhpib) {
    260 			hw->hw_type = C_HPIB;
    261 			hw++;
    262 			continue;
    263 		}
    264 
    265 		switch (hw->hw_id) {
    266 		case 5:		/* 98642A */
    267 		case 5+128:	/* 98642A remote */
    268 			hw->hw_type = D_COMMDCM;
    269 			break;
    270 		case 8:		/* 98625B */
    271 		case 128:	/* 98624A */
    272 			hw->hw_type = C_HPIB;
    273 			break;
    274 		case 21:	/* LANCE */
    275 			hw->hw_type = D_LAN;
    276 			break;
    277 		case 57:	/* Displays */
    278 			hw->hw_type = D_BITMAP;
    279 			hw->hw_secid = id_reg[0x15];
    280 			switch (hw->hw_secid) {
    281 			case 4:	/* renaissance */
    282 			case 8: /* davinci */
    283 				sc++;		/* occupy 2 select codes */
    284 				break;
    285 			}
    286 			break;
    287 		case 9:
    288 			hw->hw_type = D_KEYBOARD;
    289 			break;
    290 		case 7:
    291 		case 7+32:
    292 		case 7+64:
    293 		case 7+96:
    294 			hw->hw_type = C_SCSI;
    295 			break;
    296 		default:	/* who cares */
    297 			hw->hw_type = D_MISC;
    298 			break;
    299 		}
    300 		hw++;
    301 	}
    302 }
    303