137 lines
3.8 KiB
C
137 lines
3.8 KiB
C
/* $NetBSD: com_mainbus.c,v 1.12 2011/07/19 15:17:20 dyoung Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: com_mainbus.c,v 1.12 2011/07/19 15:17:20 dyoung Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/termios.h>
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#include <dev/cons.h>
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#include <sys/conf.h>
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#include <sys/bus.h>
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#include <machine/intr.h>
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#include <machine/autoconf.h>
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#include <machine/mmeye.h>
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#include <dev/ic/comvar.h>
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#include <dev/ic/comreg.h>
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#ifndef COMCN_SPEED
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#define COMCN_SPEED 19200
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#endif
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#ifndef CONADDR
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#define CONADDR 0xa4000000
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#endif
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#ifndef CONMODE
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#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
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#endif
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struct com_mainbus_softc {
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struct com_softc sc_com; /* real "com" softc */
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};
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int com_mainbus_match(device_t, cfdata_t , void *);
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void com_mainbus_attach(device_t, device_t, void *);
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void comcnprobe(struct consdev *);
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void comcninit(struct consdev *);
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CFATTACH_DECL_NEW(com_mainbus, sizeof(struct com_mainbus_softc),
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com_mainbus_match, com_mainbus_attach, NULL, NULL);
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int
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com_mainbus_match(device_t parent, cfdata_t match, void *aux)
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{
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struct mainbus_attach_args *ma = aux;
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if (strcmp(ma->ma_name, match->cf_name) == 0)
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return (1);
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return (0);
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}
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void
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com_mainbus_attach(device_t parent, device_t self, void *aux)
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{
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struct mainbus_attach_args *ma = aux;
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struct com_mainbus_softc *sc = device_private(self);
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struct com_softc *csc = &sc->sc_com;
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#if defined(SH7750R)
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const bus_space_tag_t iot = SH3_BUS_SPACE_PCMCIA_IO8;
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#else
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const bus_space_tag_t iot = 0;
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#endif
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bus_space_handle_t ioh;
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if (!com_is_console(iot, ma->ma_addr1, &ioh))
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if (bus_space_map(iot, ma->ma_addr1, COM_NPORTS, 0, &ioh)) {
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aprint_error(": can't map i/o space\n");
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return;
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}
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csc->sc_dev = self;
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csc->sc_frequency = COM_FREQ;
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COM_INIT_REGS(csc->sc_regs, iot, ioh, ma->ma_addr1);
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/* sanity check */
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if (!comprobe1(iot, ioh)) {
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aprint_error(": device problem. don't attach.\n");
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return;
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}
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com_attach_subr(csc);
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mmeye_intr_establish(ma->ma_irq1, IST_LEVEL, IPL_SERIAL, comintr, sc);
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}
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void
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comcnprobe(struct consdev *cp)
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{
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#ifdef COMCONSOLE
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cp->cn_pri = CN_REMOTE; /* Force a serial port console */
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#else
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cp->cn_pri = CN_NORMAL;
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#endif
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}
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void
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comcninit(struct consdev *cp)
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{
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#if defined(SH7750R)
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const bus_space_tag_t iot = SH3_BUS_SPACE_PCMCIA_IO8;
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#else
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const bus_space_tag_t iot = 0;
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#endif
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comcnattach(iot, CONADDR, COMCN_SPEED, COM_FREQ, COM_TYPE_NORMAL,
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CONMODE);
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}
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