epcom_ts.c revision 1.3 1 /* $NetBSD: epcom_ts.c,v 1.3 2009/03/14 15:36:05 dsl Exp $ */
2 /*
3 * Copyright (c) 2002
4 * Ichiro FUKUHARA <ichiro (at) ichiro.org>.
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 by Ichiro FUKUHARA.
18 * 4. The name of the company nor the name of the author may be used to
19 * endorse or promote products derived from this software without specific
20 * prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #include <sys/cdefs.h>
36 __KERNEL_RCSID(0, "$NetBSD: epcom_ts.c,v 1.3 2009/03/14 15:36:05 dsl Exp $");
37
38 /* Front-end of epcom */
39
40 #include <sys/types.h>
41 #include <sys/device.h>
42 #include <sys/systm.h>
43 #include <sys/param.h>
44 #include <sys/malloc.h>
45
46 #include <sys/termios.h>
47
48 #include <machine/intr.h>
49 #include <machine/bus.h>
50
51 #include <arm/ep93xx/epcomreg.h>
52 #include <arm/ep93xx/epcomvar.h>
53 #include <arm/ep93xx/ep93xxreg.h>
54 #include <arm/ep93xx/ep93xxvar.h>
55 #include <arm/ep93xx/epsocvar.h>
56
57 #include <evbarm/tsarm/epcom_tsvar.h>
58
59 static int epcom_ts_match(struct device *, struct cfdata *, void *);
60 static void epcom_ts_attach(struct device *, struct device *, void *);
61
62 CFATTACH_DECL(epcom_ts, sizeof(struct epcom_ts_softc),
63 epcom_ts_match, epcom_ts_attach, NULL, NULL);
64
65 static int
66 epcom_ts_match(struct device *parent, struct cfdata *match, void *aux)
67 {
68 if (strcmp(match->cf_name, "epcom") == 0)
69 return 1;
70 return 0;
71 }
72
73 static void
74 epcom_ts_attach(parent, self, aux)
75 struct device *parent;
76 struct device *self;
77 void *aux;
78 {
79 struct epcom_ts_softc *esc = (struct epcom_ts_softc *)self;
80 struct epcom_softc *sc = &esc->sc_epcom;
81 struct epsoc_attach_args *sa = aux;
82 u_int32_t pwrcnt;
83 bus_space_handle_t ioh;
84
85 esc->sc_iot = sa->sa_iot;
86 sc->sc_iot = sa->sa_iot;
87 sc->sc_hwbase = sa->sa_addr;
88
89 printf("\n");
90
91 bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh);
92
93 bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON,
94 EP93XX_APB_SYSCON_SIZE, 0, &ioh);
95 pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt);
96 pwrcnt &= ~(PwrCnt_UARTBAUD);
97 bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt);
98 bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE);
99
100 epcom_attach_subr(sc);
101 ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, epcomintr, sc);
102 }
103