board_ethernut5.c revision 235348 
1/*-
2 * Copyright (c) 2012 Marius Strobl <marius@FreeBSD.org>
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 * 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 THE 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 THE 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/*
28 * Ethernut 5 board support
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD: head/sys/arm/at91/board_ethernut5.c 235348 2012-05-12 18:11:26Z marius $");
33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <arm/at91/at91_pioreg.h>
37#include <arm/at91/at91_piovar.h>
38#include <arm/at91/at91board.h>
39#include <arm/at91/at91sam9260reg.h>
40
41long
42board_init(void)
43{
44
45	/*
46	 * DBGU
47	 */
48	/* DRXD */
49	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB14, 0);
50	/* DTXD */
51	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB15, 1);
52
53	/*
54	 * EMAC
55	 */
56	/* ETX0 */
57	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA12, 0);
58	/* ETX1 */
59	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA13, 0);
60	/* ERX0 */
61	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA14, 0);
62	/* ERX1 */
63	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA15, 0);
64	/* ETXEN */
65	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA16, 0);
66	/* ERXDV */
67	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA17, 0);
68	/* ERXER */
69	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA18, 0);
70	/* ETXCK */
71	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA19, 0);
72	/* EMDC */
73	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA20, 0);
74	/* EMDIO */
75	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA21, 0);
76
77	/*
78	 * MMC
79	 */
80	/* MCDA0 */
81	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA6, 1);
82	/* MCCDA */
83	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA7, 1);
84	/* MCCK */
85	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA8, 1);
86	/* MCDA1 */
87	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA9, 1);
88	/* MCDA2 */
89	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA10, 1);
90	/* MCDA3 */
91	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA11, 1);
92
93	/*
94	 * SPI0
95	 */
96	/* MISO */
97	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA0, 0);
98	/* MOSI */
99	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA1, 0);
100	/* SPCK */
101	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA2, 0);
102	/* NPCS0 */
103	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA3, 0);
104
105	/*
106	 * TWI
107	 */
108	/* TWD */
109	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA23, 1);
110	/* TWCK */
111	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA24, 1);
112
113	/*
114	 * USART0
115	 */
116	/* TXD0 */
117	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB4, 1);
118	/* RXD0 */
119	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB5, 0);
120	/* DSR0 */
121	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB22, 0);
122	/* DCD0 */
123	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB23, 0);
124	/* DTR0 */
125	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB24, 1);
126	/* RI0 */
127	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB25, 0);
128	/* RTS0 */
129	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB26, 1);
130	/* CTS0 */
131	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB27, 0);
132
133	/*
134	 * USART2
135	 */
136	/* RTS2 */
137	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA4, 1);
138	/* CTS2 */
139	at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA5, 0);
140	/* TXD2 */
141	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB8, 1);
142	/* RXD2 */
143	at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB9, 0);
144
145	return (at91_ramsize());
146}
147