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autoconf.c revision 1.7
      1 /*	$NetBSD: autoconf.c,v 1.7 2006/07/19 19:23:56 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 		cpuspeed = MHZ_25;
    139 		break;
    140 	case HP_370:
    141 		cpuspeed = MHZ_33;
    142 		break;
    143 	case HP_375:
    144 		cpuspeed = MHZ_50;
    145 		break;
    146 	case HP_380:
    147 		cpuspeed = MHZ_25 * 2;	/* XXX */
    148 		break;
    149 	case HP_385:
    150 	case HP_433:
    151 		cpuspeed = MHZ_33 * 2;	/* XXX */
    152 		break;
    153 	default:	/* assume the fastest (largest delay value) */
    154 		cpuspeed = MHZ_50;
    155 		break;
    156 	}
    157 	find_devs();
    158 	cninit();
    159 #ifdef PRINTROMINFO
    160 	printrominfo();
    161 #endif
    162 	hpibinit();
    163 	scsiinit();
    164 	if ((bootdev & B_MAGICMASK) != B_DEVMAGIC)
    165 		bootdev = msustobdev();
    166 }
    167 
    168 /*
    169  * Convert HP MSUS to a valid bootdev layout:
    170  *	TYPE comes from MSUS device type as mapped by rom2mdev
    171  *	PARTITION is set to 0 ('a')
    172  *	UNIT comes from MSUS unit (almost always 0)
    173  *	CONTROLLER comes from MSUS primary address
    174  *	ADAPTER comes from SCSI/HPIB driver logical unit number
    175  *		(passed back via unused hw_pa field)
    176  */
    177 static u_long
    178 msustobdev(void)
    179 {
    180 	struct rominfo *rp = (struct rominfo *) ROMADDR;
    181 	u_long bdev = 0;
    182 	struct hp_hw *hw;
    183 	int sc, type, ctlr, slave, punit;
    184 
    185 	sc = (rp->msus >> 8) & 0xFF;
    186 	for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++)
    187 		if (hw->hw_sc == sc)
    188 			break;
    189 
    190 	type  = rom2mdev[(rp->msus >> 24) & 0x1F];
    191 	ctlr  = (int)hw->hw_pa;
    192 	slave = (rp->msus & 0xFF);
    193 	punit = ((rp->msus >> 16) & 0xFF);
    194 
    195 	bdev  = MAKEBOOTDEV(type, ctlr, slave, punit, 0);
    196 
    197 #ifdef PRINTROMINFO
    198 	printf("msus %x -> bdev %x\n", rp->msus, bdev);
    199 #endif
    200 	return bdev;
    201 }
    202 
    203 int
    204 sctoaddr(int sc)
    205 {
    206 
    207 	if (sc == -1)
    208 		return INTIOBASE + FB_BASE;
    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(void)
    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