xref: /netbsd-src/sys/arch/sgimips/mace/com_mace.c (revision 6d4870476f69938cdd065da8ea9ad989cef459f4)
1 /*	$NetBSD: com_mace.c,v 1.12 2018/12/08 17:46:12 thorpej 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 1.12 2018/12/08 17:46:12 thorpej 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 <sys/bus.h>
55 #include <machine/machtype.h>
56 
57 #include <sgimips/mace/macevar.h>
58 #include <sgimips/mace/macereg.h>
59 
60 #include <dev/arcbios/arcbios.h>
61 #include <dev/arcbios/arcbiosvar.h>
62 
63 #include <dev/ic/comreg.h>
64 #include <dev/ic/comvar.h>
65 
66 struct com_mace_softc {
67 	struct com_softc sc_com;
68 
69 	/* XXX intr cookie */
70 };
71 
72 static int	com_mace_match(device_t, cfdata_t , void *);
73 static void	com_mace_attach(device_t, device_t, void *);
74 
75 CFATTACH_DECL_NEW(com_mace, sizeof(struct com_mace_softc),
76     com_mace_match, com_mace_attach, NULL, NULL);
77 
78 static int
com_mace_match(device_t parent,cfdata_t match,void * aux)79 com_mace_match(device_t parent, cfdata_t match, void *aux)
80 {
81 	return 1;
82 }
83 
84 static void
com_mace_attach(device_t parent,device_t self,void * aux)85 com_mace_attach(device_t parent, device_t self, void *aux)
86 {
87 	struct com_mace_softc *msc = device_private(self);
88 	struct com_softc *sc = &msc->sc_com;
89 	struct mace_attach_args *maa = aux;
90 	bus_space_handle_t	ioh;
91 
92 	sc->sc_dev = self;
93 
94 	/*
95 	 * XXX should check com_is_console() and
96 	 * XXX use bus_space_map().
97 	 */
98 	ioh = maa->maa_sh + maa->maa_offset;
99 	/* note that ioh on mac is *also* the iobase address */
100 	com_init_regs(&sc->sc_regs, mace_isa_memt, ioh,
101 	    MACE_BASE + maa->maa_offset);
102 
103 	sc->sc_frequency = COM_FREQ;
104 
105 	delay(10000);
106 	com_attach_subr(sc);
107 	delay(10000);
108 
109 	cpu_intr_establish(maa->maa_intr, maa->maa_intrmask, comintr, sc);
110 
111 	return;
112 }
113