xref: /netbsd/sys/arch/sgimips/mace/com_mace.c (revision 6550d01e)
1 /*	$NetBSD: com_mace.c,v 1.8 2009/11/21 17:40:28 rmind Exp $	*/
2 
3 /*
4  * Copyright (c) 2000 Soren S. Jorvang
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *          This product includes software developed for the
18  *          NetBSD Project.  See http://www.NetBSD.org/ for
19  *          information about NetBSD.
20  * 4. The name of the author may not be used to endorse or promote products
21  *    derived from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 #include <sys/cdefs.h>
36 __KERNEL_RCSID(0, "$NetBSD: com_mace.c,v 1.8 2009/11/21 17:40:28 rmind Exp $");
37 
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/ioctl.h>
41 #include <sys/select.h>
42 #include <sys/tty.h>
43 #include <sys/proc.h>
44 #include <sys/file.h>
45 #include <sys/uio.h>
46 #include <sys/kernel.h>
47 #include <sys/syslog.h>
48 #include <sys/types.h>
49 #include <sys/device.h>
50 
51 #include <machine/cpu.h>
52 #include <machine/locore.h>
53 #include <machine/autoconf.h>
54 #include <machine/bus.h>
55 #include <machine/machtype.h>
56 
57 #include <sgimips/mace/macevar.h>
58 
59 #include <dev/arcbios/arcbios.h>
60 #include <dev/arcbios/arcbiosvar.h>
61 
62 #include <dev/ic/comreg.h>
63 #include <dev/ic/comvar.h>
64 
65 struct com_mace_softc {
66 	struct com_softc sc_com;
67 
68 	/* XXX intr cookie */
69 };
70 
71 static int	com_mace_match(device_t, cfdata_t , void *);
72 static void	com_mace_attach(device_t, device_t, void *);
73 
74 CFATTACH_DECL_NEW(com_mace, sizeof(struct com_mace_softc),
75     com_mace_match, com_mace_attach, NULL, NULL);
76 
77 static int
78 com_mace_match(device_t parent, cfdata_t match, void *aux)
79 {
80 	return 1;
81 }
82 
83 static void
84 com_mace_attach(device_t parent, device_t self, void *aux)
85 {
86 	struct com_mace_softc *msc = device_private(self);
87 	struct com_softc *sc = &msc->sc_com;
88 	struct mace_attach_args *maa = aux;
89 	bus_space_handle_t	ioh;
90 
91 	sc->sc_dev = self;
92 
93 	/*
94 	 * XXX should check com_is_console() and
95 	 * XXX use bus_space_map().
96 	 */
97 	ioh = maa->maa_sh + maa->maa_offset;
98 	/* note that ioh on mac is *also* the iobase address */
99 	COM_INIT_REGS(sc->sc_regs, maa->maa_st, ioh, ioh);
100 
101 	sc->sc_frequency = COM_FREQ;
102 
103 	delay(10000);
104 	com_attach_subr(sc);
105 	delay(10000);
106 
107 	cpu_intr_establish(maa->maa_intr, maa->maa_intrmask, comintr, sc);
108 
109 	return;
110 }
111