com_opb.c revision 1.1.2.2 1 1.1.2.2 nathanw /* $NetBSD: com_opb.c,v 1.1.2.2 2002/08/13 02:18:43 nathanw Exp $ */
2 1.1.2.2 nathanw
3 1.1.2.2 nathanw /*
4 1.1.2.2 nathanw * Copyright 2001 Wasabi Systems, Inc.
5 1.1.2.2 nathanw * All rights reserved.
6 1.1.2.2 nathanw *
7 1.1.2.2 nathanw * Written by Eduardo Horvath and Simon Burge for Wasabi Systems, Inc.
8 1.1.2.2 nathanw *
9 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without
10 1.1.2.2 nathanw * modification, are permitted provided that the following conditions
11 1.1.2.2 nathanw * are met:
12 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright
13 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer.
14 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright
15 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the
16 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution.
17 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software
18 1.1.2.2 nathanw * must display the following acknowledgement:
19 1.1.2.2 nathanw * This product includes software developed for the NetBSD Project by
20 1.1.2.2 nathanw * Wasabi Systems, Inc.
21 1.1.2.2 nathanw * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 1.1.2.2 nathanw * or promote products derived from this software without specific prior
23 1.1.2.2 nathanw * written permission.
24 1.1.2.2 nathanw *
25 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 1.1.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 1.1.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 1.1.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
29 1.1.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 1.1.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 1.1.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 1.1.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 1.1.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 1.1.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 1.1.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE.
36 1.1.2.2 nathanw */
37 1.1.2.2 nathanw
38 1.1.2.2 nathanw #include <sys/param.h>
39 1.1.2.2 nathanw #include <sys/device.h>
40 1.1.2.2 nathanw #include <sys/tty.h>
41 1.1.2.2 nathanw #include <sys/systm.h>
42 1.1.2.2 nathanw
43 1.1.2.2 nathanw #include <lib/libkern/libkern.h>
44 1.1.2.2 nathanw
45 1.1.2.2 nathanw #include <powerpc/ibm4xx/dev/opbvar.h>
46 1.1.2.2 nathanw
47 1.1.2.2 nathanw #include <dev/ic/comreg.h>
48 1.1.2.2 nathanw #include <dev/ic/comvar.h>
49 1.1.2.2 nathanw
50 1.1.2.2 nathanw struct com_opb_softc {
51 1.1.2.2 nathanw struct com_softc sc_com;
52 1.1.2.2 nathanw void *sc_ih;
53 1.1.2.2 nathanw };
54 1.1.2.2 nathanw
55 1.1.2.2 nathanw static int com_opb_probe(struct device *, struct cfdata *, void *);
56 1.1.2.2 nathanw static void com_opb_attach(struct device *, struct device *, void *);
57 1.1.2.2 nathanw
58 1.1.2.2 nathanw struct cfattach com_opb_ca = {
59 1.1.2.2 nathanw sizeof(struct com_opb_softc), com_opb_probe, com_opb_attach
60 1.1.2.2 nathanw };
61 1.1.2.2 nathanw
62 1.1.2.2 nathanw int comfound = 0;
63 1.1.2.2 nathanw
64 1.1.2.2 nathanw int
65 1.1.2.2 nathanw com_opb_probe(struct device *parent, struct cfdata *cf, void *aux)
66 1.1.2.2 nathanw {
67 1.1.2.2 nathanw struct opb_attach_args *oaa = aux;
68 1.1.2.2 nathanw
69 1.1.2.2 nathanw /* match only com devices */
70 1.1.2.2 nathanw if (strcmp(oaa->opb_name, cf->cf_driver->cd_name) != 0)
71 1.1.2.2 nathanw return 0;
72 1.1.2.2 nathanw
73 1.1.2.2 nathanw return (comfound < 2);
74 1.1.2.2 nathanw }
75 1.1.2.2 nathanw
76 1.1.2.2 nathanw struct com_softc *com0; /* XXX */
77 1.1.2.2 nathanw
78 1.1.2.2 nathanw void
79 1.1.2.2 nathanw com_opb_attach(struct device *parent, struct device *self, void *aux)
80 1.1.2.2 nathanw {
81 1.1.2.2 nathanw struct com_opb_softc *msc = (void *)self;
82 1.1.2.2 nathanw struct com_softc *sc = &msc->sc_com;
83 1.1.2.2 nathanw struct opb_attach_args *oaa = aux;
84 1.1.2.2 nathanw int addr = oaa->opb_addr;
85 1.1.2.2 nathanw int irq = oaa->opb_irq;
86 1.1.2.2 nathanw
87 1.1.2.2 nathanw sc->sc_iot = oaa->opb_bt;
88 1.1.2.2 nathanw sc->sc_iobase = sc->sc_ioh = addr;
89 1.1.2.2 nathanw /* UART is clocked externally @ 11.0592MHz == COM_FREQ*6 */
90 1.1.2.2 nathanw sc->sc_frequency = COM_FREQ * 6;
91 1.1.2.2 nathanw
92 1.1.2.2 nathanw comfound++;
93 1.1.2.2 nathanw
94 1.1.2.2 nathanw /* XXX console check */
95 1.1.2.2 nathanw /* XXX map */
96 1.1.2.2 nathanw
97 1.1.2.2 nathanw com_attach_subr(sc);
98 1.1.2.2 nathanw
99 1.1.2.2 nathanw intr_establish(irq, IST_LEVEL, IPL_SERIAL, comintr, sc);
100 1.1.2.2 nathanw }
101