xref: /netbsd-src/sys/arch/evbppc/explora/consinit.c (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: consinit.c,v 1.4 2003/07/25 11:44:19 scw Exp $	*/
2 
3 /*-
4  * Copyright (c) 2003 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Juergen Hannken-Illjes.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *      This product includes software developed by the NetBSD
21  *      Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.4 2003/07/25 11:44:19 scw Exp $");
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 
45 #include <machine/explora.h>
46 #include <machine/bus.h>
47 
48 #include "com.h"
49 #if NCOM > 0
50 #include <sys/termios.h>
51 #include <dev/ic/comreg.h>
52 #include <dev/ic/comvar.h>
53 #endif
54 
55 #include "pckbc.h"
56 #if (NPCKBC > 0)
57 #include <dev/isa/isareg.h>
58 #include <dev/ic/i8042reg.h>
59 #include <dev/ic/pckbcvar.h>
60 #endif
61 #include "pckbd.h"
62 
63 #include <evbppc/explora/dev/elbvar.h>
64 
65 #include "opt_explora.h"
66 
67 #ifndef COM_CONSOLE_SPEED
68 #define COM_CONSOLE_SPEED	9600
69 #endif
70 
71 void
72 consinit(void)
73 {
74 	bus_space_tag_t tag;
75 	static int done = 0;
76 #ifndef COM_IS_CONSOLE
77 	extern void fb_cnattach(bus_space_tag_t, bus_addr_t, void *);
78 #endif
79 
80 	if (done)
81 		return;
82 
83 	done = 1;
84 
85 #ifdef COM_IS_CONSOLE
86 	tag = elb_get_bus_space_tag(BASE_COM);
87 	comcnattach(tag, BASE_COM, COM_CONSOLE_SPEED,
88 	    COM_FREQ, COM_TYPE_NORMAL,
89 	    (TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8);
90 #else
91 	/* Clear VRam */
92 	memset((void *)BASE_FB, 0, SIZE_FB);
93 
94 	tag = elb_get_bus_space_tag(BASE_FB);
95 	fb_cnattach(tag, BASE_FB2, (void *)BASE_FB);
96 	tag = elb_get_bus_space_tag(BASE_PCKBC);
97 	pckbc_cnattach(tag, BASE_PCKBC, BASE_PCKBC2-BASE_PCKBC, PCKBC_KBD_SLOT);
98 #endif
99 }
100