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autoconf.c revision 1.3
      1 /*	$NetBSD: autoconf.c,v 1.3 2003/08/07 16:27:40 agc 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 
     86 #include <hp300/dev/grfreg.h>
     87 
     88 /*
     89  * Mapping of ROM MSUS types to BSD major device numbers
     90  * WARNING: major numbers must match bdevsw indices in hp300/conf.c.
     91  */
     92 char rom2mdev[] = {
     93 	0, 0, 						/* 0-1: none */
     94 	6,	/* 2: network device; special */
     95 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,		/* 3-13: none */
     96 	4,	/* 14: SCSI disk */
     97 	0,	/* 15: none */
     98 	2,	/* 16: CS/80 device on HPIB */
     99 	2,	/* 17: CS/80 device on HPIB */
    100 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,	/* 18-31: none */
    101 };
    102 
    103 struct hp_hw sc_table[MAXCTLRS];
    104 int cpuspeed;
    105 
    106 extern int internalhpib;
    107 
    108 #ifdef PRINTROMINFO
    109 printrominfo()
    110 {
    111 	struct rominfo *rp = (struct rominfo *)ROMADDR;
    112 
    113 	printf("boottype %x, name %s, lowram %x, sysflag %x\n",
    114 	       rp->boottype, rp->name, rp->lowram, rp->sysflag&0xff);
    115 	printf("rambase %x, ndrives %x, sysflag2 %x, msus %x\n",
    116 	       rp->rambase, rp->ndrives, rp->sysflag2&0xff, rp->msus);
    117 }
    118 #endif
    119 
    120 configure()
    121 {
    122 	u_long msustobdev();
    123 
    124 	switch (machineid) {
    125 	case HP_320:
    126 	case HP_330:
    127 	case HP_340:
    128 		cpuspeed = MHZ_16;
    129 		break;
    130 	case HP_350:
    131 	case HP_360:
    132 		cpuspeed = MHZ_25;
    133 		break;
    134 	case HP_370:
    135 		cpuspeed = MHZ_33;
    136 		break;
    137 	case HP_375:
    138 		cpuspeed = MHZ_50;
    139 		break;
    140 	case HP_380:
    141 		cpuspeed = MHZ_25 * 2;	/* XXX */
    142 		break;
    143 	case HP_385:
    144 	case HP_433:
    145 		cpuspeed = MHZ_33 * 2;	/* XXX */
    146 		break;
    147 	default:	/* assume the fastest (largest delay value) */
    148 		cpuspeed = MHZ_50;
    149 		break;
    150 	}
    151 	find_devs();
    152 	cninit();
    153 #ifdef PRINTROMINFO
    154 	printrominfo();
    155 #endif
    156 	hpibinit();
    157 	scsiinit();
    158 	if ((bootdev & B_MAGICMASK) != B_DEVMAGIC)
    159 		bootdev = msustobdev();
    160 }
    161 
    162 /*
    163  * Convert HP MSUS to a valid bootdev layout:
    164  *	TYPE comes from MSUS device type as mapped by rom2mdev
    165  *	PARTITION is set to 0 ('a')
    166  *	UNIT comes from MSUS unit (almost always 0)
    167  *	CONTROLLER comes from MSUS primary address
    168  *	ADAPTER comes from SCSI/HPIB driver logical unit number
    169  *		(passed back via unused hw_pa field)
    170  */
    171 u_long
    172 msustobdev()
    173 {
    174 	struct rominfo *rp = (struct rominfo *) ROMADDR;
    175 	u_long bdev = 0;
    176 	register struct hp_hw *hw;
    177 	int sc, type, ctlr, slave, punit;
    178 
    179 	sc = (rp->msus >> 8) & 0xFF;
    180 	for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++)
    181 		if (hw->hw_sc == sc)
    182 			break;
    183 
    184 	type  = rom2mdev[(rp->msus >> 24) & 0x1F];
    185 	ctlr  = (int)hw->hw_pa;
    186 	slave = (rp->msus & 0xFF);
    187 	punit = ((rp->msus >> 16) & 0xFF);
    188 
    189 	bdev  = MAKEBOOTDEV(type, ctlr, slave, punit, 0);
    190 
    191 #ifdef PRINTROMINFO
    192 	printf("msus %x -> bdev %x\n", rp->msus, bdev);
    193 #endif
    194 	return (bdev);
    195 }
    196 
    197 sctoaddr(sc)
    198 	int sc;
    199 {
    200 	if (sc == -1)
    201 		return(GRFIADDR);
    202 	if (sc == 7 && internalhpib)
    203 		return(internalhpib);
    204 	if (sc < 32)
    205 		return(DIOBASE + sc * DIOCSIZE);
    206 	if (sc >= 132)
    207 		return(DIOIIBASE + (sc - 132) * DIOIICSIZE);
    208 	return(sc);
    209 }
    210 
    211 /*
    212  * Probe all DIO select codes (0 - 32), the internal display address,
    213  * and DIO-II select codes (132 - 256).
    214  *
    215  * Note that we only care about displays, LANCEs, SCSIs and HP-IBs.
    216  */
    217 find_devs()
    218 {
    219 	short sc, sctop;
    220 	u_char *id_reg;
    221 	register caddr_t addr;
    222 	register struct hp_hw *hw;
    223 
    224 	hw = sc_table;
    225 	sctop = machineid == HP_320 ? 32 : 256;
    226 	for (sc = -1; sc < sctop; sc++) {
    227 		if (sc >= 32 && sc < 132)
    228 			continue;
    229 		addr = (caddr_t) sctoaddr(sc);
    230 		if (badaddr(addr))
    231 			continue;
    232 
    233 		id_reg = (u_char *) addr;
    234 		hw->hw_pa = 0;	/* XXX used to pass back LUN from driver */
    235 		if (sc >= 132)
    236 			hw->hw_size = (id_reg[0x101] + 1) * 0x100000;
    237 		else
    238 			hw->hw_size = DIOCSIZE;
    239 		hw->hw_kva = addr;
    240 		hw->hw_id = id_reg[1];
    241 		hw->hw_sc = sc;
    242 
    243 		/*
    244 		 * Not all internal HP-IBs respond rationally to id requests
    245 		 * so we just go by the "internal HPIB" indicator in SYSFLAG.
    246 		 */
    247 		if (sc == 7 && internalhpib) {
    248 			hw->hw_type = C_HPIB;
    249 			hw++;
    250 			continue;
    251 		}
    252 
    253 		switch (hw->hw_id) {
    254 		case 5:		/* 98642A */
    255 		case 5+128:	/* 98642A remote */
    256 			hw->hw_type = D_COMMDCM;
    257 			break;
    258 		case 8:		/* 98625B */
    259 		case 128:	/* 98624A */
    260 			hw->hw_type = C_HPIB;
    261 			break;
    262 		case 21:	/* LANCE */
    263 			hw->hw_type = D_LAN;
    264 			break;
    265 		case 57:	/* Displays */
    266 			hw->hw_type = D_BITMAP;
    267 			hw->hw_secid = id_reg[0x15];
    268 			switch (hw->hw_secid) {
    269 			case 4:	/* renaissance */
    270 			case 8: /* davinci */
    271 				sc++;		/* occupy 2 select codes */
    272 				break;
    273 			}
    274 			break;
    275 		case 9:
    276 			hw->hw_type = D_KEYBOARD;
    277 			break;
    278 		case 7:
    279 		case 7+32:
    280 		case 7+64:
    281 		case 7+96:
    282 			hw->hw_type = C_SCSI;
    283 			break;
    284 		default:	/* who cares */
    285 			hw->hw_type = D_MISC;
    286 			break;
    287 		}
    288 		hw++;
    289 	}
    290 }
    291