140 lines
3.6 KiB
C
140 lines
3.6 KiB
C
/* $NetBSD: consinit.c,v 1.6 2003/10/10 07:04:14 simonb Exp $ */
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/*
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* Copyright (c) 1998
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* Matthias Drochner. 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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.6 2003/10/10 07:04:14 simonb Exp $");
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#include "opt_kgdb.h"
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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 <machine/bus.h>
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#include <powerpc/ibm4xx/ibm405gp.h>
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#include <powerpc/ibm4xx/dev/opbvar.h>
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#include "com.h"
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#if (NCOM > 0)
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#include <sys/termios.h>
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#include <dev/ic/comreg.h>
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#include <dev/ic/comvar.h>
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#endif
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#include <dev/cons.h>
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#ifndef CONSDEVNAME
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#define CONSDEVNAME "com"
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#endif
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#if (NCOM > 0)
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#ifndef CONADDR
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#define CONADDR IBM405GP_UART0_BASE
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#endif
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#ifndef CONSPEED
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#define CONSPEED B9600 /* */
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// #define CONSPEED B115200 /* 9600 is too slow for my taste */
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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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int comcnmode = CONMODE;
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#endif /* NCOM */
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#ifdef KGDB
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#ifndef KGDB_DEVNAME
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#define KGDB_DEVNAME "com"
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#endif
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char kgdb_devname[] = KGDB_DEVNAME;
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#if (NCOM > 1)
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#ifndef KGDB_DEVADDR
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#define KGDB_DEVADDR UART1_BASE
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#endif
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int comkgdbaddr = KGDB_DEVADDR;
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#ifndef KGDB_DEVRATE
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#define KGDB_DEVRATE CONSPEED
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#endif
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int comkgdbrate = KGDB_DEVRATE;
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#ifndef KGDB_DEVMODE
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#define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
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#endif
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int comkgdbmode = KGDB_DEVMODE;
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#endif /* NCOM */
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#endif /* KGDB */
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/*
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* consinit:
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* initialize the system console.
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* XXX - shouldn't deal with this initted thing, but then,
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* it shouldn't be called from initppc either.
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*/
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void
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consinit(void)
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{
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static int initted = 0;
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#if (NCOM > 0)
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bus_space_tag_t tag;
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#endif
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if (initted)
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return;
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initted = 1;
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#if (NCOM > 0)
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/* We *know* the com-console attaches to opb */
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tag = opb_get_bus_space_tag();
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if (comcnattach(tag, CONADDR, CONSPEED, COM_FREQ * 6,
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COM_TYPE_NORMAL, comcnmode))
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panic("can't init serial console @%x", CONADDR);
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else
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return;
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#endif
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panic("console device missing -- serial console not in kernel");
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/* Of course, this is moot if there is no console... */
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}
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#ifdef KGDB
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void
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kgdb_port_init(void)
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{
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#if (NCOM > 0)
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if(!strcmp(kgdb_devname, "com")) {
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bus_space_tag_t tag = opb_get_bus_space_tag();
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com_kgdb_attach(tag, comkgdbaddr, comkgdbrate, COM_FREQ * 6,
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COM_TYPE_NORMAL, comkgdbmode);
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}
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#endif
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}
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#endif
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