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/* $OpenBSD: autoconf.c,v 1.10 2013/02/02 13:34:29 miod Exp $ */
/* $NetBSD: autoconf.c,v 1.12 1997/01/30 10:32:51 thorpej Exp $ */
/*
* 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. 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 <sys/param.h>
#include <sys/reboot.h>
#include <lib/libsa/stand.h>
#include "samachdep.h"
#include "consdefs.h"
#include "rominfo.h"
#include "device.h"
#include <hp300/dev/dioreg.h>
#include <hp300/dev/diodevs.h>
#include <hp300/dev/diofbreg.h>
void configure(void);
void find_devs(void);
u_long msustobdev(void);
void printrominfo(void);
/*
* 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, /* 0-1: none */
6, /* 2: network device; special */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 3-13: 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;
void find_devs(void);
#ifdef PRINTROMINFO
void
printrominfo()
{
struct rominfo *rp = (struct rominfo *)ROMADDR;
printf("boottype %lx, name %s, lowram %lx, sysflag %x\n",
rp->boottype, rp->name, rp->lowram, rp->sysflag&0xff);
printf("rambase %lx, ndrives %x, sysflag2 %x, msus %lx\n",
rp->rambase, rp->ndrives, rp->sysflag2&0xff, rp->msus);
}
#endif
void
configure()
{
switch (machineid) {
case HP_320:
case HP_330:
case HP_340:
cpuspeed = MHZ_16;
break;
case HP_350:
case HP_36X:
cpuspeed = MHZ_25;
break;
case HP_370:
cpuspeed = MHZ_33;
break;
case HP_380:
case HP_382:
case HP_425:
cpuspeed = MHZ_25 * 2; /* XXX */
break;
case HP_385:
case HP_433:
cpuspeed = MHZ_33 * 2; /* XXX */
break;
case HP_345:
case HP_375:
case HP_400:
default: /* assume the fastest (largest delay value) */
cpuspeed = MHZ_50;
break;
}
find_devs();
cninit();
#ifdef PRINTROMINFO
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
* ADAPTER comes from SCSI/HPIB driver logical unit number (hw_ctrl)
*/
u_long
msustobdev()
{
struct rominfo *rp = (struct rominfo *)ROMADDR;
u_long bdev = 0;
struct hp_hw *hw;
int sc, type, ctlr, slave, punit;
sc = (rp->msus >> 8) & 0xFF;
for (hw = sc_table; hw < &sc_table[MAXCTLRS]; hw++)
if (hw->hw_sc == sc)
break;
type = rom2mdev[(rp->msus >> 24) & 0x1F];
ctlr = hw->hw_ctrl;
slave = (rp->msus & 0xFF);
punit = ((rp->msus >> 16) & 0xFF);
bdev = MAKEBOOTDEV(type, ctlr, slave, punit, 0);
#ifdef PRINTROMINFO
printf("msus %lx -> bdev %lx\n", rp->msus, bdev);
#endif
return (bdev);
}
u_long
sctoaddr(int sc)
{
if (sc == -1)
return (GRFIADDR);
if (sc == 7 && internalhpib)
return (internalhpib);
if (DIO_ISDIO(sc))
return (DIO_BASE + sc * DIO_DEVSIZE);
if (DIO_ISDIOII(sc))
return (DIOII_BASE + (sc - DIOII_SCBASE) * DIOII_DEVSIZE);
return 0;
}
/*
* Probe all DIO select codes (0 - 32), the internal display address,
* and DIO-II select codes (132 - 256). SGC frame buffers are probed
* separately.
*
* Note that we only care about displays, LANCEs, SCSIs and HP-IBs.
*/
void
find_devs()
{
short sc, sctop;
u_char *id_reg;
caddr_t addr;
struct hp_hw *hw;
hw = sc_table;
sctop = machineid == HP_320 ? 32 : 256; /* DIO_SCMAX(machineid); */
/* starting at -1 to probe the intio framebuffer, if any */
for (sc = -1; sc < sctop; sc++) {
if (sc >= 32 && sc < DIOII_SCBASE)
continue;
addr = (caddr_t)sctoaddr(sc);
if (badaddr(addr))
continue;
id_reg = (u_char *)addr;
hw->hw_kva = addr;
hw->hw_type = 0;
hw->hw_sc = sc;
hw->hw_ctrl = 0;
/*
* 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 (id_reg[DIO_IDOFF]) {
case DIO_DEVICE_ID_DCM:
case DIO_DEVICE_ID_DCMREM:
hw->hw_type = D_COMMDCM;
break;
case DIO_DEVICE_ID_FHPIB:
case DIO_DEVICE_ID_NHPIB:
hw->hw_type = C_HPIB;
break;
case DIO_DEVICE_ID_LAN:
case DIO_DEVICE_ID_LANREM: /* does this even make sense? */
hw->hw_type = D_LAN;
break;
case DIO_DEVICE_ID_FRAMEBUFFER:
hw->hw_type = D_BITMAP;
switch(id_reg[DIO_SECIDOFF]) {
case DIO_DEVICE_SECID_RENAISSANCE:
case DIO_DEVICE_SECID_DAVINCI:
sc += 2 - 1; /* occupy 2 select codes */
break;
case DIO_DEVICE_SECID_TIGERSHARK:
sc += 3 - 1; /* occupy 3 select codes */
break;
case DIO_DEVICE_SECID_FB3X2_A:
case DIO_DEVICE_SECID_FB3X2_B:
sc += 4 - 1; /* occupy 4 select codes */
break;
}
break;
case DIO_DEVICE_ID_SCSI0:
case DIO_DEVICE_ID_SCSI1:
case DIO_DEVICE_ID_SCSI2:
case DIO_DEVICE_ID_SCSI3:
hw->hw_type = C_SCSI;
break;
default: /* who cares */
break;
}
if (hw->hw_type == 0)
continue;
hw++;
if (hw == sc_table + MAXCTLRS)
break; /* oflows are so boring */
}
}
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