/*-
* Copyright (c) 1997, 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* 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.
*
* @(#)dca.c 8.1 (Berkeley) 6/10/93
*/
/*
* Only a 425e can have an APCI console. On all other 4xx models,
* the "first" serial port is mapped to the DCA at select code 9.
*/
if (machineid != HP_425 || mmuid != MMUID_425_E)
return;
/*
* Check the service switch. On the 425e, this is a physical
* switch, unlike other frodo-based machines, so we can use it
* as a serial vs internal video selector, since the PROM can not
* be configured for serial console.
*/
frodoregs = (volatile u_int8_t *)IIOV(INTIOBASE + FRODO_BASE);
if (badaddr((char *)frodoregs) == 0 &&
(frodoregs[FRODO_IISR] & FRODO_IISR_SERVICE) == 0)
cp->cn_pri = CN_REMOTE;
else
cp->cn_pri = CN_NORMAL;
/*
* The only system on which this will happen is a 425e,
* which does not currently have a framebuffer console
* driver. We use the ROM's output method to let the
* operator know we're switching to the APCI.
*/
userom = 1;
printf("Switching to APCI console.\n");
userom = 0;
#ifndef SMALL
int
apcigetchar(dev_t dev)
{
struct apciregs *apci = apcicnaddr;
short stat;
int c;
if (((stat = apci->ap_lsr) & LSR_RXRDY) == 0)
return 0;
c = apci->ap_data;
return c;
}
#else
int
apcigetchar(dev_t dev)
{
return 0;
}
#endif
void
apciputchar(dev_t dev, int c)
{
struct apciregs *apci = apcicnaddr;
int timo;
short stat;
/* wait a reasonable time for the transmitter to come ready */
timo = 50000;
while (((stat = apci->ap_lsr) & LSR_TXRDY) == 0 && --timo)
;
apci->ap_data = c;
/* wait for this transmission to complete */
timo = 1000000;
while (((stat = apci->ap_lsr) & LSR_TXRDY) == 0 && --timo)
;
}
#endif
