1/*-
2 * Copyright (c) 2003 Marcel Moolenaar
| 1/*-
2 * Copyright (c) 2003 Marcel Moolenaar
|
| 3 * Copyright (c) 2006 M. Warner Losh
|
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
| 4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
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 *
|
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
| 16 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR 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.
|
25 */
26
27#include "opt_uart.h"
28
29#include <sys/cdefs.h>
| 27 */
28
29#include "opt_uart.h"
30
31#include <sys/cdefs.h>
|
30__FBSDID("$FreeBSD: head/sys/arm/at91/uart_cpu_at91rm9200usart.c 172942 2007-10-24 22:24:32Z cognet $");
| 32__FBSDID("$FreeBSD: head/sys/arm/at91/uart_cpu_at91rm9200usart.c 185265 2008-11-25 00:13:26Z imp $");
|
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/bus.h>
35#include <sys/cons.h>
36#include <machine/bus.h>
37
38#include <dev/uart/uart.h>
39#include <dev/uart/uart_cpu.h>
40
41#include <arm/at91/at91rm92reg.h>
42
43bus_space_tag_t uart_bus_space_io;
44bus_space_tag_t uart_bus_space_mem;
45
46extern struct uart_class at91_usart_class;
47extern struct bus_space at91_bs_tag;
48
49int
50uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
51{
52 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
53}
54
55int
56uart_cpu_getdev(int devtype, struct uart_devinfo *di)
57{
58 struct uart_class *class;
59
60 class = &at91_usart_class;
61 di->ops = uart_getops(class);
62 di->bas.chan = 0;
63 di->bas.bst = &at91_bs_tag;
64 /*
65 * XXX: Not pretty, but will work because we map the needed addresses
66 * early.
67 */
68#ifdef SKYEYE_WORKAROUNDS
69 di->bas.bsh = AT91RM92_BASE + AT91RM92_USART0_BASE;
70 di->baudrate = 38400;
71#else
72 di->bas.bsh = AT91RM92_BASE + AT91RM92_SYS_BASE + DBGU;
73 di->baudrate = 115200;
74#endif
75 di->bas.regshft = 0;
76 di->bas.rclk = 0;
77 di->databits = 8;
78 di->stopbits = 1;
79 di->parity = UART_PARITY_NONE;
80 uart_bus_space_io = &at91_bs_tag;
81 uart_bus_space_mem = NULL;
82 /* Check the environment for overrides */
83 uart_getenv(devtype, di, class);
84 return (0);
85}
| 33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/bus.h>
37#include <sys/cons.h>
38#include <machine/bus.h>
39
40#include <dev/uart/uart.h>
41#include <dev/uart/uart_cpu.h>
42
43#include <arm/at91/at91rm92reg.h>
44
45bus_space_tag_t uart_bus_space_io;
46bus_space_tag_t uart_bus_space_mem;
47
48extern struct uart_class at91_usart_class;
49extern struct bus_space at91_bs_tag;
50
51int
52uart_cpu_eqres(struct uart_bas *b1, struct uart_bas *b2)
53{
54 return ((b1->bsh == b2->bsh && b1->bst == b2->bst) ? 1 : 0);
55}
56
57int
58uart_cpu_getdev(int devtype, struct uart_devinfo *di)
59{
60 struct uart_class *class;
61
62 class = &at91_usart_class;
63 di->ops = uart_getops(class);
64 di->bas.chan = 0;
65 di->bas.bst = &at91_bs_tag;
66 /*
67 * XXX: Not pretty, but will work because we map the needed addresses
68 * early.
69 */
70#ifdef SKYEYE_WORKAROUNDS
71 di->bas.bsh = AT91RM92_BASE + AT91RM92_USART0_BASE;
72 di->baudrate = 38400;
73#else
74 di->bas.bsh = AT91RM92_BASE + AT91RM92_SYS_BASE + DBGU;
75 di->baudrate = 115200;
76#endif
77 di->bas.regshft = 0;
78 di->bas.rclk = 0;
79 di->databits = 8;
80 di->stopbits = 1;
81 di->parity = UART_PARITY_NONE;
82 uart_bus_space_io = &at91_bs_tag;
83 uart_bus_space_mem = NULL;
84 /* Check the environment for overrides */
85 uart_getenv(devtype, di, class);
86 return (0);
87}
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