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e69d4e1fbd
board init match better: UART1 instead of UART2, No RMMI, no SPI0, SPI1 comments.
170 lines
5.3 KiB
C
170 lines
5.3 KiB
C
/*-
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* Copyright (c) 2012 Marius Strobl <marius@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Ethernut 5 board support
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <machine/board.h>
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#include <arm/at91/at91_pioreg.h>
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#include <arm/at91/at91_piovar.h>
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#include <arm/at91/at91board.h>
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#include <arm/at91/at91sam9260reg.h>
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BOARD_INIT long
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board_init(void)
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{
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/*
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* DBGU
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*/
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/* DRXD */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB14, 0);
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/* DTXD */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB15, 1);
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/*
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* EMAC
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*/
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/* ETX0 */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA12, 0);
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/* ETX1 */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA13, 0);
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/* ERX0 */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA14, 0);
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/* ERX1 */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA15, 0);
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/* ETXEN */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA16, 0);
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/* ERXDV */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA17, 0);
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/* ERXER */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA18, 0);
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/* ETXCK */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA19, 0);
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/* EMDC */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA20, 0);
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/* EMDIO */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA21, 0);
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/* Not RMII */
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/* ETX2 */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA10, 0);
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/* ETX3 */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA11, 0);
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/* ETXER */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA22, 0);
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/* ERX2 */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA25, 0);
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/* ERX3 */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA26, 0);
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/* ERXCK */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA27, 0);
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/* ECRS */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA28, 0);
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/* ECOL */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA29, 0);
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/*
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* MMC, wired to socket B.
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*/
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/* MCDB0 */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA0, 1);
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/* MCCDB */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA1, 1);
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/* MCDB3 */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA3, 1);
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/* MCDB2 */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA4, 1);
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/* MCDB1 */
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at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA5, 1);
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/* MCCK */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA8, 1);
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/*
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* SPI0 and MMC are wired together, since we don't support sharing
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* don't support the dataflash. But if you did, you'd have to
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* use CS0 and CS1.
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*/
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/*
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* SPI1 is wired to a audio CODEC that we don't support, so
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* give it a pass.
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*/
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/*
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* TWI. Only one child on the iic bus, which we take care of
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* via hints.
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*/
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/* TWD */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA23, 1);
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/* TWCK */
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at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA24, 1);
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/*
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* USART0
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*/
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/* TXD0 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB4, 1);
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/* RXD0 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB5, 0);
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/* DSR0 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB22, 0);
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/* DCD0 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB23, 0);
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/* DTR0 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB24, 1);
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/* RI0 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB25, 0);
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/* RTS0 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB26, 1);
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/* CTS0 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB27, 0);
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/*
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* USART1
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*/
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/* RTS1 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB28, 1);
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/* CTS1 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB29, 0);
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/* TXD1 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB6, 1);
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/* RXD1 */
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at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB7, 0);
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/* USART2 - USART5 aren't wired up, except via PIO pins, ignore them. */
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return (at91_ramsize());
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}
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ARM_BOARD(AT91SAM9260EK, "Atmel SMA9260-EK")
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