NetBSD/sys/arch/hp300/stand/autoconf.c

168 lines
4.5 KiB
C

/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1990 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 1.13 91/01/21
* from: @(#)autoconf.c 7.5 (Berkeley) 5/7/91
* $Id: autoconf.c,v 1.3 1993/08/01 19:25:11 mycroft Exp $
*/
#include "samachdep.h"
#include "sys/param.h"
#include "../dev/device.h"
#include "../dev/grfvar.h"
struct hp_hw sc_table[MAXCTLRS];
extern int internalhpib;
#if 0
#include "rominfo.h"
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()
{
find_devs();
cninit();
#if 0
printrominfo();
#endif
hpibinit();
scsiinit();
}
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;
extern int machineid;
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 = addr;
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++;
}
}