Home | History | Annotate | Line # | Download | only in common
autoconf.c revision 1.4
      1 /*	$NetBSD: autoconf.c,v 1.4 2003/11/14 16:52:40 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 
     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()
    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()
    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()
    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(sc)
    204 	int sc;
    205 {
    206 
    207 	if (sc == -1)
    208 		return GRFIADDR ;
    209 	if (sc == 7 && internalhpib)
    210 		return internalhpib ;
    211 	if (sc < 32)
    212 		return DIOBASE + sc * DIOCSIZE ;
    213 	if (sc >= 132)
    214 		return DIOIIBASE + (sc - 132) * DIOIICSIZE ;
    215 	return sc;
    216 }
    217 
    218 /*
    219  * Probe all DIO select codes (0 - 32), the internal display address,
    220  * and DIO-II select codes (132 - 256).
    221  *
    222  * Note that we only care about displays, LANCEs, SCSIs and HP-IBs.
    223  */
    224 static void
    225 find_devs()
    226 {
    227 	short sc, sctop;
    228 	u_char *id_reg;
    229 	caddr_t addr;
    230 	struct hp_hw *hw;
    231 
    232 	hw = sc_table;
    233 	sctop = machineid == HP_320 ? 32 : 256;
    234 	for (sc = -1; sc < sctop; sc++) {
    235 		if (sc >= 32 && sc < 132)
    236 			continue;
    237 		addr = (caddr_t) sctoaddr(sc);
    238 		if (badaddr(addr))
    239 			continue;
    240 
    241 		id_reg = (u_char *) addr;
    242 		hw->hw_pa = 0;	/* XXX used to pass back LUN from driver */
    243 		if (sc >= 132)
    244 			hw->hw_size = (id_reg[0x101] + 1) * 0x100000;
    245 		else
    246 			hw->hw_size = DIOCSIZE;
    247 		hw->hw_kva = addr;
    248 		hw->hw_id = id_reg[1];
    249 		hw->hw_sc = sc;
    250 
    251 		/*
    252 		 * Not all internal HP-IBs respond rationally to id requests
    253 		 * so we just go by the "internal HPIB" indicator in SYSFLAG.
    254 		 */
    255 		if (sc == 7 && internalhpib) {
    256 			hw->hw_type = C_HPIB;
    257 			hw++;
    258 			continue;
    259 		}
    260 
    261 		switch (hw->hw_id) {
    262 		case 5:		/* 98642A */
    263 		case 5+128:	/* 98642A remote */
    264 			hw->hw_type = D_COMMDCM;
    265 			break;
    266 		case 8:		/* 98625B */
    267 		case 128:	/* 98624A */
    268 			hw->hw_type = C_HPIB;
    269 			break;
    270 		case 21:	/* LANCE */
    271 			hw->hw_type = D_LAN;
    272 			break;
    273 		case 57:	/* Displays */
    274 			hw->hw_type = D_BITMAP;
    275 			hw->hw_secid = id_reg[0x15];
    276 			switch (hw->hw_secid) {
    277 			case 4:	/* renaissance */
    278 			case 8: /* davinci */
    279 				sc++;		/* occupy 2 select codes */
    280 				break;
    281 			}
    282 			break;
    283 		case 9:
    284 			hw->hw_type = D_KEYBOARD;
    285 			break;
    286 		case 7:
    287 		case 7+32:
    288 		case 7+64:
    289 		case 7+96:
    290 			hw->hw_type = C_SCSI;
    291 			break;
    292 		default:	/* who cares */
    293 			hw->hw_type = D_MISC;
    294 			break;
    295 		}
    296 		hw++;
    297 	}
    298 }
    299