NetBSD/sys/arch/hp300/dev/com_frodo.c
2008-04-28 20:22:51 +00:00

172 lines
5.6 KiB
C

/* $NetBSD: com_frodo.c,v 1.8 2008/04/28 20:23:19 martin Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* 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) 1991 The Regents of the University of California.
* All rights reserved.
*
* 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.
*
* @(#)com.c 7.5 (Berkeley) 5/16/91
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: com_frodo.c,v 1.8 2008/04/28 20:23:19 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/termios.h>
#include <sys/ttydefaults.h>
#include <machine/bus.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <hp300/dev/intiovar.h>
#include <hp300/dev/frodoreg.h>
#include <hp300/dev/frodovar.h>
#include <hp300/dev/com_frodovar.h>
#include "ioconf.h"
struct com_frodo_softc {
struct com_softc sc_com; /* real "com" softc */
};
static int com_frodo_match(device_t, cfdata_t , void *);
static void com_frodo_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(com_frodo, sizeof(struct com_frodo_softc),
com_frodo_match, com_frodo_attach, NULL, NULL);
static int com_frodo_speed = TTYDEF_SPEED;
static struct bus_space_tag comcntag;
#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
#define COM_FRODO_FREQ 8006400
static int
com_frodo_match(device_t parent, cfdata_t match, void *aux)
{
struct frodo_attach_args *fa = aux;
if (strcmp(fa->fa_name, com_cd.cd_name) != 0)
return 0;
switch (fa->fa_offset) {
case FRODO_APCI_OFFSET(1):
case FRODO_APCI_OFFSET(2):
case FRODO_APCI_OFFSET(3):
return 1;
}
return 0;
}
static void
com_frodo_attach(device_t parent, device_t self, void *aux)
{
struct com_frodo_softc *fsc = device_private(self);
struct com_softc *sc = &fsc->sc_com;
struct frodo_attach_args *fa = aux;
bus_space_tag_t iot;
bus_space_handle_t ioh;
int isconsole;
sc->sc_dev = self;
isconsole = com_is_console(&comcntag, fa->fa_base + fa->fa_offset,
&ioh);
if (isconsole)
iot = &comcntag;
else
iot = fa->fa_bst;
if (!isconsole &&
bus_space_map(iot, fa->fa_base + fa->fa_offset, COM_NPORTS << 2,
0, &ioh)) {
aprint_error(": can't map i/o space\n");
return;
}
COM_INIT_REGS(sc->sc_regs, iot, ioh, fa->fa_base + fa->fa_offset);
sc->sc_frequency = COM_FRODO_FREQ;
SET(sc->sc_hwflags, COM_HW_NOIEN);
com_attach_subr(sc);
frodo_intr_establish(parent, comintr, sc, fa->fa_line, IPL_VM);
}
int
com_frodo_cnattach(bus_space_tag_t bst, bus_addr_t addr, int scode)
{
bus_space_tag_t iot = &comcntag;
bus_space_handle_t ioh;
if (machineid != HP_425 || mmuid != MMUID_425_E)
return 1;
frodo_init_bus_space(iot);
if (bus_space_map(iot, addr, INTIO_DEVSIZE, BUS_SPACE_MAP_LINEAR, &ioh))
return 1;
comcnattach(iot, addr, com_frodo_speed, COM_FRODO_FREQ,
COM_TYPE_NORMAL, CONMODE);
return 0;
}