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uart_bus_at91usart.c (158531) uart_bus_at91usart.c (185265)
1/*-
2 * Copyright (c) 2005 Olivier Houchard. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
1/*-
2 * Copyright (c) 2005 Olivier Houchard. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
23 */
24
25#include "opt_uart.h"
26
27#include <sys/cdefs.h>
24 */
25
26#include "opt_uart.h"
27
28#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: head/sys/arm/at91/uart_bus_at91usart.c 158531 2006-05-13 23:41:16Z cognet $");
29__FBSDID("$FreeBSD: head/sys/arm/at91/uart_bus_at91usart.c 185265 2008-11-25 00:13:26Z imp $");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/bus.h>
33#include <sys/conf.h>
34#include <sys/kernel.h>
35#include <sys/module.h>
36#include <machine/bus.h>
37#include <sys/rman.h>
38#include <machine/resource.h>
39
40#include <dev/pci/pcivar.h>
41
42#include <dev/uart/uart.h>
43#include <dev/uart/uart_bus.h>
44#include <dev/uart/uart_cpu.h>
45
46#include <arm/at91/at91rm92reg.h>
47
48#include "uart_if.h"
49
50static int usart_at91rm92_probe(device_t dev);
51
52extern struct uart_class at91_usart_class;
53
54static device_method_t usart_at91rm92_methods[] = {
55 /* Device interface */
56 DEVMETHOD(device_probe, usart_at91rm92_probe),
57 DEVMETHOD(device_attach, uart_bus_attach),
58 DEVMETHOD(device_detach, uart_bus_detach),
59 { 0, 0 }
60};
61
62static driver_t usart_at91rm92_driver = {
63 uart_driver_name,
64 usart_at91rm92_methods,
65 sizeof(struct uart_softc),
66};
67
68extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
69
70static int
71usart_at91rm92_probe(device_t dev)
72{
73 struct uart_softc *sc;
74
75 sc = device_get_softc(dev);
76 switch (device_get_unit(dev))
77 {
78 case 0:
79#ifdef SKYEYE_WORKAROUNDS
80 device_set_desc(dev, "USART0");
81#else
82 device_set_desc(dev, "DBGU");
83#endif
84 /*
85 * Setting sc_sysdev makes this device a 'system device' and
86 * indirectly makes it the system console.
87 */
88 sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
89 bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
90 break;
91 case 1:
92 device_set_desc(dev, "USART0");
93 break;
94 case 2:
95 device_set_desc(dev, "USART1");
96 break;
97 case 3:
98 device_set_desc(dev, "USART2");
99 break;
100 case 4:
101 device_set_desc(dev, "USART3");
102 break;
103 }
104 sc->sc_class = &at91_usart_class;
105 return (uart_bus_probe(dev, 0, 0, 0, device_get_unit(dev)));
106}
107
108
109DRIVER_MODULE(uart, atmelarm, usart_at91rm92_driver, uart_devclass, 0, 0);
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/bus.h>
34#include <sys/conf.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <machine/bus.h>
38#include <sys/rman.h>
39#include <machine/resource.h>
40
41#include <dev/pci/pcivar.h>
42
43#include <dev/uart/uart.h>
44#include <dev/uart/uart_bus.h>
45#include <dev/uart/uart_cpu.h>
46
47#include <arm/at91/at91rm92reg.h>
48
49#include "uart_if.h"
50
51static int usart_at91rm92_probe(device_t dev);
52
53extern struct uart_class at91_usart_class;
54
55static device_method_t usart_at91rm92_methods[] = {
56 /* Device interface */
57 DEVMETHOD(device_probe, usart_at91rm92_probe),
58 DEVMETHOD(device_attach, uart_bus_attach),
59 DEVMETHOD(device_detach, uart_bus_detach),
60 { 0, 0 }
61};
62
63static driver_t usart_at91rm92_driver = {
64 uart_driver_name,
65 usart_at91rm92_methods,
66 sizeof(struct uart_softc),
67};
68
69extern SLIST_HEAD(uart_devinfo_list, uart_devinfo) uart_sysdevs;
70
71static int
72usart_at91rm92_probe(device_t dev)
73{
74 struct uart_softc *sc;
75
76 sc = device_get_softc(dev);
77 switch (device_get_unit(dev))
78 {
79 case 0:
80#ifdef SKYEYE_WORKAROUNDS
81 device_set_desc(dev, "USART0");
82#else
83 device_set_desc(dev, "DBGU");
84#endif
85 /*
86 * Setting sc_sysdev makes this device a 'system device' and
87 * indirectly makes it the system console.
88 */
89 sc->sc_sysdev = SLIST_FIRST(&uart_sysdevs);
90 bcopy(&sc->sc_sysdev->bas, &sc->sc_bas, sizeof(sc->sc_bas));
91 break;
92 case 1:
93 device_set_desc(dev, "USART0");
94 break;
95 case 2:
96 device_set_desc(dev, "USART1");
97 break;
98 case 3:
99 device_set_desc(dev, "USART2");
100 break;
101 case 4:
102 device_set_desc(dev, "USART3");
103 break;
104 }
105 sc->sc_class = &at91_usart_class;
106 return (uart_bus_probe(dev, 0, 0, 0, device_get_unit(dev)));
107}
108
109
110DRIVER_MODULE(uart, atmelarm, usart_at91rm92_driver, uart_devclass, 0, 0);