250 lines
6.4 KiB
C
250 lines
6.4 KiB
C
/* $NetBSD: autoconf.c,v 1.9 1995/08/05 16:47:34 thorpej Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: Utah Hdr: autoconf.c 1.16 92/05/29
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*
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* @(#)autoconf.c 8.1 (Berkeley) 6/10/93
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*/
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#include <sys/param.h>
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#include <sys/reboot.h>
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#include <hp300/stand/samachdep.h>
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#include <hp300/stand/rominfo.h>
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#include <hp300/dev/device.h>
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#include <hp300/dev/grfvar.h>
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#include <hp300/dev/grfreg.h>
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/*
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* Mapping of ROM MSUS types to BSD major device numbers
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* WARNING: major numbers must match bdevsw indices in hp300/conf.c.
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*/
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char rom2mdev[] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0-13: none */
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4, /* 14: SCSI disk */
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0, /* 15: none */
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2, /* 16: CS/80 device on HPIB */
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2, /* 17: CS/80 device on HPIB */
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 18-31: none */
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};
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struct hp_hw sc_table[MAXCTLRS];
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int cpuspeed;
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extern int internalhpib;
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#if 0
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printrominfo()
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{
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struct rominfo *rp = (struct rominfo *)ROMADDR;
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printf("boottype %x, name %s, lowram %x, sysflag %x\n",
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rp->boottype, rp->name, rp->lowram, rp->sysflag&0xff);
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printf("rambase %x, ndrives %x, sysflag2 %x, msus %x\n",
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rp->rambase, rp->ndrives, rp->sysflag2&0xff, rp->msus);
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}
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#endif
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configure()
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{
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u_long msustobdev();
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switch (machineid) {
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case HP_320:
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case HP_330:
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case HP_340:
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cpuspeed = MHZ_16;
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break;
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case HP_350:
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case HP_360:
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cpuspeed = MHZ_25;
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break;
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case HP_370:
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cpuspeed = MHZ_33;
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break;
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case HP_375:
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cpuspeed = MHZ_50;
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break;
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case HP_380:
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cpuspeed = MHZ_25 * 2; /* XXX */
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break;
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case HP_433:
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cpuspeed = MHZ_33 * 2; /* XXX */
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break;
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default: /* assume the fastest (largest delay value) */
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cpuspeed = MHZ_50;
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break;
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}
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find_devs();
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cninit();
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#if 0
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printrominfo();
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#endif
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hpibinit();
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scsiinit();
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if ((bootdev & B_MAGICMASK) != B_DEVMAGIC)
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bootdev = msustobdev();
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}
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/*
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* Convert HP MSUS to a valid bootdev layout:
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* TYPE comes from MSUS device type as mapped by rom2mdev
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* PARTITION is set to 0 ('a')
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* UNIT comes from MSUS unit (almost always 0)
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* CONTROLLER comes from MSUS primary address
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* ADAPTER comes from SCSI/HPIB driver logical unit number
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* (passed back via unused hw_pa field)
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*/
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u_long
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msustobdev()
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{
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struct rominfo *rp = (struct rominfo *) ROMADDR;
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u_long bdev = 0;
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register struct hp_hw *hw;
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int sc;
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sc = (rp->msus >> 8) & 0xFF;
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for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++)
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if (hw->hw_sc == sc)
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break;
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bdev |= rom2mdev[(rp->msus >> 24) & 0x1F] << B_TYPESHIFT;
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bdev |= 0 << B_PARTITIONSHIFT;
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bdev |= ((rp->msus >> 16) & 0xFF) << B_UNITSHIFT;
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bdev |= (rp->msus & 0xFF) << B_CONTROLLERSHIFT;
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bdev |= (int)hw->hw_pa << B_ADAPTORSHIFT;
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bdev |= B_DEVMAGIC;
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#if 0
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printf("msus %x -> bdev %x\n", rp->msus, bdev);
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#endif
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return (bdev);
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}
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sctoaddr(sc)
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int sc;
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{
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if (sc == -1)
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return(GRFIADDR);
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if (sc == 7 && internalhpib)
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return(internalhpib);
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if (sc < 32)
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return(DIOBASE + sc * DIOCSIZE);
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if (sc >= 132)
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return(DIOIIBASE + (sc - 132) * DIOIICSIZE);
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return(sc);
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}
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/*
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* Probe all DIO select codes (0 - 32), the internal display address,
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* and DIO-II select codes (132 - 256).
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*
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* Note that we only care about displays, SCSIs and HP-IBs.
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*/
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find_devs()
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{
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short sc, sctop;
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u_char *id_reg;
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register caddr_t addr;
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register struct hp_hw *hw;
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hw = sc_table;
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sctop = machineid == HP_320 ? 32 : 256;
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for (sc = -1; sc < sctop; sc++) {
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if (sc >= 32 && sc < 132)
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continue;
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addr = (caddr_t) sctoaddr(sc);
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if (badaddr(addr))
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continue;
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id_reg = (u_char *) addr;
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hw->hw_pa = 0; /* XXX used to pass back LUN from driver */
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if (sc >= 132)
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hw->hw_size = (id_reg[0x101] + 1) * 0x100000;
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else
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hw->hw_size = DIOCSIZE;
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hw->hw_kva = addr;
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hw->hw_id = id_reg[1];
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hw->hw_sc = sc;
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/*
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* Not all internal HP-IBs respond rationally to id requests
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* so we just go by the "internal HPIB" indicator in SYSFLAG.
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*/
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if (sc == 7 && internalhpib) {
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hw->hw_type = C_HPIB;
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hw++;
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continue;
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}
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switch (hw->hw_id) {
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case 5: /* 98642A */
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case 5+128: /* 98642A remote */
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hw->hw_type = D_COMMDCM;
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break;
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case 8: /* 98625B */
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case 128: /* 98624A */
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hw->hw_type = C_HPIB;
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break;
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case 57: /* Displays */
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hw->hw_type = D_BITMAP;
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hw->hw_secid = id_reg[0x15];
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switch (hw->hw_secid) {
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case 4: /* renaissance */
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case 8: /* davinci */
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sc++; /* occupy 2 select codes */
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break;
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}
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break;
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case 9:
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hw->hw_type = D_KEYBOARD;
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break;
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case 7:
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case 7+32:
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case 7+64:
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case 7+96:
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hw->hw_type = C_SCSI;
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break;
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default: /* who cares */
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hw->hw_type = D_MISC;
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break;
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}
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hw++;
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}
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}
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