4.4BSD/usr/src/sys/hp300/stand/autoconf.c
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: autoconf.c 1.16 92/05/29$
*
* @(#)autoconf.c 8.1 (Berkeley) 6/10/93
*/
#include <hp300/stand/samachdep.h>
#include <hp300/stand/rominfo.h>
#include <sys/param.h>
#include <sys/reboot.h>
#include <hp/dev/device.h>
#include <hp/dev/grfreg.h>
/*
* Mapping of ROM MSUS types to BSD major device numbers
* WARNING: major numbers must match bdevsw indices in hp300/conf.c.
*/
char rom2mdev[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0-13: none */
4, /* 14: SCSI disk */
0, /* 15: none */
2, /* 16: CS/80 device on HPIB */
2, /* 17: CS/80 device on HPIB */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 18-31: none */
};
struct hp_hw sc_table[MAXCTLRS];
int cpuspeed;
extern int internalhpib;
#if 0
printrominfo()
{
struct rominfo *rp = (struct rominfo *)ROMADDR;
printf("boottype %x, name %s, lowram %x, sysflag %x\n",
rp->boottype, rp->name, rp->lowram, rp->sysflag&0xff);
printf("rambase %x, ndrives %x, sysflag2 %x, msus %x\n",
rp->rambase, rp->ndrives, rp->sysflag2&0xff, rp->msus);
}
#endif
configure()
{
u_long msustobdev();
switch (machineid) {
case HP_320:
case HP_330:
case HP_340:
cpuspeed = MHZ_16;
break;
case HP_350:
case HP_360:
cpuspeed = MHZ_25;
break;
case HP_370:
cpuspeed = MHZ_33;
break;
case HP_375:
cpuspeed = MHZ_50;
break;
case HP_380:
cpuspeed = MHZ_25 * 2; /* XXX */
break;
case HP_433:
cpuspeed = MHZ_33 * 2; /* XXX */
break;
default: /* assume the fastest (largest delay value) */
cpuspeed = MHZ_50;
break;
}
find_devs();
cninit();
#if 0
printrominfo();
#endif
hpibinit();
scsiinit();
if ((bootdev & B_MAGICMASK) != B_DEVMAGIC)
bootdev = msustobdev();
}
/*
* Convert HP MSUS to a valid bootdev layout:
* TYPE comes from MSUS device type as mapped by rom2mdev
* PARTITION is set to 0 ('a')
* UNIT comes from MSUS unit (almost always 0)
* CONTROLLER comes from MSUS primary address
* ADAPTOR comes from SCSI/HPIB driver logical unit number
* (passed back via unused hw_pa field)
*/
u_long
msustobdev()
{
struct rominfo *rp = (struct rominfo *) ROMADDR;
u_long bdev = 0;
register struct hp_hw *hw;
int sc;
sc = (rp->msus >> 8) & 0xFF;
for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++)
if (hw->hw_sc == sc)
break;
bdev |= rom2mdev[(rp->msus >> 24) & 0x1F] << B_TYPESHIFT;
bdev |= 0 << B_PARTITIONSHIFT;
bdev |= ((rp->msus >> 16) & 0xFF) << B_UNITSHIFT;
bdev |= (rp->msus & 0xFF) << B_CONTROLLERSHIFT;
bdev |= (int)hw->hw_pa << B_ADAPTORSHIFT;
bdev |= B_DEVMAGIC;
#if 0
printf("msus %x -> bdev %x\n", rp->msus, bdev);
#endif
return (bdev);
}
sctoaddr(sc)
int sc;
{
if (sc == -1)
return(GRFIADDR);
if (sc == 7 && internalhpib)
return(internalhpib);
if (sc < 32)
return(DIOBASE + sc * DIOCSIZE);
if (sc >= 132)
return(DIOIIBASE + (sc - 132) * DIOIICSIZE);
return(sc);
}
/*
* Probe all DIO select codes (0 - 32), the internal display address,
* and DIO-II select codes (132 - 256).
*
* Note that we only care about displays, SCSIs and HP-IBs.
*/
find_devs()
{
short sc, sctop;
u_char *id_reg;
register caddr_t addr;
register struct hp_hw *hw;
hw = sc_table;
sctop = machineid == HP_320 ? 32 : 256;
for (sc = -1; sc < sctop; sc++) {
if (sc >= 32 && sc < 132)
continue;
addr = (caddr_t) sctoaddr(sc);
if (badaddr(addr))
continue;
id_reg = (u_char *) addr;
hw->hw_pa = 0; /* XXX used to pass back LUN from driver */
if (sc >= 132)
hw->hw_size = (id_reg[0x101] + 1) * 0x100000;
else
hw->hw_size = DIOCSIZE;
hw->hw_kva = addr;
hw->hw_id = id_reg[1];
hw->hw_sc = sc;
/*
* Not all internal HP-IBs respond rationally to id requests
* so we just go by the "internal HPIB" indicator in SYSFLAG.
*/
if (sc == 7 && internalhpib) {
hw->hw_type = C_HPIB;
hw++;
continue;
}
switch (hw->hw_id) {
case 5: /* 98642A */
case 5+128: /* 98642A remote */
hw->hw_type = D_COMMDCM;
break;
case 8: /* 98625B */
case 128: /* 98624A */
hw->hw_type = C_HPIB;
break;
case 57: /* Displays */
hw->hw_type = D_BITMAP;
hw->hw_secid = id_reg[0x15];
switch (hw->hw_secid) {
case 4: /* renaissance */
case 8: /* davinci */
sc++; /* occupy 2 select codes */
break;
}
break;
case 9:
hw->hw_type = D_KEYBOARD;
break;
case 7:
case 7+32:
case 7+64:
case 7+96:
hw->hw_type = C_SCSI;
break;
default: /* who cares */
hw->hw_type = D_MISC;
break;
}
hw++;
}
}