armadillo9_com.c revision 1.5 
1/*	$NetBSD: armadillo9_com.c,v 1.5 2012/10/27 17:17:46 chs Exp $ */
2/*
3 * Copyright (c) 2002
4 *	Ichiro FUKUHARA <ichiro@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 *
16 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: armadillo9_com.c,v 1.5 2012/10/27 17:17:46 chs Exp $");
31
32/* Front-end of epcom */
33
34#include <sys/types.h>
35#include <sys/device.h>
36#include <sys/systm.h>
37#include <sys/param.h>
38#include <sys/malloc.h>
39
40#include <sys/termios.h>
41
42#include <machine/intr.h>
43#include <sys/bus.h>
44
45#include <arm/ep93xx/epcomreg.h>
46#include <arm/ep93xx/epcomvar.h>
47#include <arm/ep93xx/ep93xxreg.h>
48#include <arm/ep93xx/ep93xxvar.h>
49#include <arm/ep93xx/epsocvar.h>
50#include "epled.h"
51#if NEPLED > 0
52#include <arm/ep93xx/epledvar.h>
53#endif
54#include <evbarm/armadillo/armadillo9var.h>
55
56static int armadillo9com_match(device_t, cfdata_t, void *);
57static void armadillo9com_attach(device_t, device_t, void *);
58static int armadillo9com_intr(void *);
59
60CFATTACH_DECL_NEW(armadillo9com, sizeof(struct epcom_softc),
61    armadillo9com_match, armadillo9com_attach, NULL, NULL);
62
63static int
64armadillo9com_match(device_t parent, cfdata_t match, void *aux)
65{
66	if (strcmp(match->cf_name, "epcom") == 0)
67		return 1;
68	return 0;
69}
70
71static void
72armadillo9com_attach(device_t parent, device_t self, void *aux)
73{
74	struct epcom_softc *sc = device_private(self);
75	struct epsoc_attach_args *sa = aux;
76	u_int32_t pwrcnt;
77	bus_space_handle_t ioh;
78
79	sc->sc_dev = self;
80	sc->sc_iot = sa->sa_iot;
81	sc->sc_hwbase = sa->sa_addr;
82
83	printf("\n");
84
85	bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh);
86
87	bus_space_map(sa->sa_iot, EP93XX_APB_HWBASE + EP93XX_APB_SYSCON,
88		EP93XX_APB_SYSCON_SIZE, 0, &ioh);
89	pwrcnt = bus_space_read_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt);
90	pwrcnt &= ~(PwrCnt_UARTBAUD);
91	bus_space_write_4(sa->sa_iot, ioh, EP93XX_SYSCON_PwrCnt, pwrcnt);
92	bus_space_unmap(sa->sa_iot, ioh, EP93XX_APB_SYSCON_SIZE);
93
94	epcom_attach_subr(sc);
95	ep93xx_intr_establish(sa->sa_intr, IPL_SERIAL, armadillo9com_intr, sc);
96#if NEPLED > 0
97	if (armadillo_model->devcfg == DEVCFG_ARMADILLO210)
98		epled_red_off();
99#endif
100}
101
102static int
103armadillo9com_intr(void *arg)
104{
105	int n;
106
107#if NEPLED > 0
108	if (armadillo_model->devcfg == DEVCFG_ARMADILLO210)
109        	epled_red_on();
110#endif
111	n = epcomintr(arg);
112#if NEPLED > 0
113	if (armadillo_model->devcfg == DEVCFG_ARMADILLO210)
114        	epled_red_off();
115#endif
116	return n;
117}
118