The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/at91/board_sn9g45.c

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    1 /*-
    2  * Copyright (c) 2009 Greg Ansley.  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 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.
   24  */
   25 
   26 /*
   27  * DesignA Electronics Snapper9g45
   28  * http://www.designa-electronics.com/
   29  */
   30 
   31 #include <sys/cdefs.h>
   32 __FBSDID("$FreeBSD$");
   33 #include <sys/param.h>
   34 #include <sys/systm.h>
   35 
   36 #include <machine/board.h>
   37 #include <arm/at91/at91board.h>
   38 #include <arm/at91/at91reg.h>
   39 #include <arm/at91/at91var.h>
   40 #include <arm/at91/at91sam9g45reg.h>
   41 #include <arm/at91/at91_piovar.h>
   42 #include <arm/at91/at91_pio_sam9g45.h>
   43 
   44 BOARD_INIT long
   45 board_init(void)
   46 {
   47 
   48         /* PIOB's A periph: Turn the debug USART's TX/RX pins */
   49         at91_pio_use_periph_a(AT91SAM9G45_PIOB_BASE, AT91C_PB12_DRXD, 0);
   50         at91_pio_use_periph_a(AT91SAM9G45_PIOB_BASE, AT91C_PB13_DTXD, 1);
   51 
   52         return (at91_ramsize());
   53 }
   54 
   55 ARM_BOARD(SNAPPER9G45, "DesignA Electronics Snapper9G45");

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