1/*-
2 * Copyright (c) 2005-2008 Olivier Houchard. All rights reserved.
3 * Copyright (c) 2005-2008 Warner Losh. 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 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2005-2008 Olivier Houchard. All rights reserved.
3 * Copyright (c) 2005-2008 Warner Losh. 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 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
|
28__FBSDID("$FreeBSD: head/sys/arm/at91/board_kb920x.c 213496 2010-10-06 22:25:21Z cognet $");
| 28__FBSDID("$FreeBSD: head/sys/arm/at91/board_kb920x.c 238189 2012-07-07 05:02:39Z imp $");
|
29#include <sys/param.h>
30#include <sys/systm.h>
31
| 29#include <sys/param.h>
30#include <sys/systm.h>
31
|
| 32#include <machine/board.h>
|
32#include <arm/at91/at91var.h>
33#include <arm/at91/at91board.h>
34#include <arm/at91/at91rm92reg.h>
35#include <arm/at91/at91_piovar.h>
36#include <arm/at91/at91_pio_rm9200.h>
37
| 33#include <arm/at91/at91var.h>
34#include <arm/at91/at91board.h>
35#include <arm/at91/at91rm92reg.h>
36#include <arm/at91/at91_piovar.h>
37#include <arm/at91/at91_pio_rm9200.h>
38
|
38long
| 39BOARD_INIT long
|
39board_init(void)
40{
41 /*
42 * Since the USART supports RS-485 multidrop mode, it allows the
43 * TX pins to float. However, for RS-232 operations, we don't want
44 * these pins to float. Instead, they should be pulled up to avoid
45 * mismatches. Linux does something similar when it configures the
46 * TX lines. This implies that we also allow the RX lines to float
47 * rather than be in the state they are left in by the boot loader.
48 * Since they are input pins, I think that this is the right thing
49 * to do.
50 */
51 /* PIOA's A periph: Turn USART 0 and 2's TX/RX pins */
52 at91_pio_use_periph_a(AT91RM92_PIOA_BASE,
53 AT91C_PA18_RXD0 | AT91C_PA22_RXD2, 0);
54 at91_pio_use_periph_a(AT91RM92_PIOA_BASE,
55 AT91C_PA17_TXD0 | AT91C_PA23_TXD2, 1);
56 /* PIOA's B periph: Turn USART 3's TX/RX pins */
57 at91_pio_use_periph_b(AT91RM92_PIOA_BASE, AT91C_PA6_RXD3, 0);
58 at91_pio_use_periph_b(AT91RM92_PIOA_BASE, AT91C_PA5_TXD3, 1);
59 /* PIOB's A periph: Turn USART 1's TX/RX pins */
60 at91_pio_use_periph_a(AT91RM92_PIOB_BASE, AT91C_PB21_RXD1, 0);
61 at91_pio_use_periph_a(AT91RM92_PIOB_BASE, AT91C_PB20_TXD1, 1);
62
63 /* MMC/SD Interface */
64 at91_pio_use_periph_a(AT91RM92_PIOA_BASE,AT91C_PA27_MCCK, 0);
65 at91_pio_use_periph_a(AT91RM92_PIOA_BASE,AT91C_PA28_MCCDA, 1);
66 at91_pio_use_periph_a(AT91RM92_PIOA_BASE,AT91C_PA29_MCDA0, 1);
67 at91_pio_use_periph_b(AT91RM92_PIOB_BASE,AT91C_PB3_MCDA1, 1);
68 at91_pio_use_periph_b(AT91RM92_PIOB_BASE,AT91C_PB4_MCDA2, 1);
69 at91_pio_use_periph_b(AT91RM92_PIOB_BASE,AT91C_PB5_MCDA3, 1);
70
71 return (at91_ramsize());
72}
| 40board_init(void)
41{
42 /*
43 * Since the USART supports RS-485 multidrop mode, it allows the
44 * TX pins to float. However, for RS-232 operations, we don't want
45 * these pins to float. Instead, they should be pulled up to avoid
46 * mismatches. Linux does something similar when it configures the
47 * TX lines. This implies that we also allow the RX lines to float
48 * rather than be in the state they are left in by the boot loader.
49 * Since they are input pins, I think that this is the right thing
50 * to do.
51 */
52 /* PIOA's A periph: Turn USART 0 and 2's TX/RX pins */
53 at91_pio_use_periph_a(AT91RM92_PIOA_BASE,
54 AT91C_PA18_RXD0 | AT91C_PA22_RXD2, 0);
55 at91_pio_use_periph_a(AT91RM92_PIOA_BASE,
56 AT91C_PA17_TXD0 | AT91C_PA23_TXD2, 1);
57 /* PIOA's B periph: Turn USART 3's TX/RX pins */
58 at91_pio_use_periph_b(AT91RM92_PIOA_BASE, AT91C_PA6_RXD3, 0);
59 at91_pio_use_periph_b(AT91RM92_PIOA_BASE, AT91C_PA5_TXD3, 1);
60 /* PIOB's A periph: Turn USART 1's TX/RX pins */
61 at91_pio_use_periph_a(AT91RM92_PIOB_BASE, AT91C_PB21_RXD1, 0);
62 at91_pio_use_periph_a(AT91RM92_PIOB_BASE, AT91C_PB20_TXD1, 1);
63
64 /* MMC/SD Interface */
65 at91_pio_use_periph_a(AT91RM92_PIOA_BASE,AT91C_PA27_MCCK, 0);
66 at91_pio_use_periph_a(AT91RM92_PIOA_BASE,AT91C_PA28_MCCDA, 1);
67 at91_pio_use_periph_a(AT91RM92_PIOA_BASE,AT91C_PA29_MCDA0, 1);
68 at91_pio_use_periph_b(AT91RM92_PIOB_BASE,AT91C_PB3_MCDA1, 1);
69 at91_pio_use_periph_b(AT91RM92_PIOB_BASE,AT91C_PB4_MCDA2, 1);
70 at91_pio_use_periph_b(AT91RM92_PIOB_BASE,AT91C_PB5_MCDA3, 1);
71
72 return (at91_ramsize());
73}
|
| 74
75ARM_BOARD(KB9200, "Kwikbyte KB920x")
|
| |