board_sam9g20ek.c revision 236989
1119679Smbr/*- 2119679Smbr * Copyright (c) 2009 Greg Ansley. All rights reserved. 3119679Smbr * 4119679Smbr * Redistribution and use in source and binary forms, with or without 5119679Smbr * modification, are permitted provided that the following conditions 6119679Smbr * are met: 7119679Smbr * 1. Redistributions of source code must retain the above copyright 8119679Smbr * notice, this list of conditions and the following disclaimer. 9119679Smbr * 2. Redistributions in binary form must reproduce the above copyright 10119679Smbr * notice, this list of conditions and the following disclaimer in the 11119679Smbr * documentation and/or other materials provided with the distribution. 12119679Smbr * 13119679Smbr * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14119679Smbr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15119679Smbr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16119679Smbr * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17119679Smbr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18119679Smbr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19119679Smbr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20119679Smbr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21119679Smbr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22119679Smbr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23119679Smbr * SUCH DAMAGE. 24119679Smbr */ 25119679Smbr 26119679Smbr/* 27119679Smbr * This board file can be used for both: 28119679Smbr * Atmel SAM9G20-EK Development Card 29119679Smbr */ 30119679Smbr 31119679Smbr#include <sys/cdefs.h> 32119679Smbr__FBSDID("$FreeBSD: head/sys/arm/at91/board_sam9g20ek.c 236989 2012-06-13 04:52:19Z imp $"); 33119679Smbr#include <sys/param.h> 34119679Smbr#include <sys/systm.h> 35119679Smbr 36119679Smbr#include <arm/at91/at91board.h> 37119679Smbr#include <arm/at91/at91reg.h> 38119679Smbr#include <arm/at91/at91var.h> 39119679Smbr#include <arm/at91/at91sam9g20reg.h> 40119679Smbr#include <arm/at91/at91_piovar.h> 41119679Smbr#include <arm/at91/at91_pio_sam9g20.h> 42119679Smbr//#include <arm/at91/at91_led.h> 43119679Smbr 44119679Smbrlong 45119679Smbrboard_init(void) 46119679Smbr{ 47119679Smbr /* PIOB's A periph: Turn USART 0's TX/RX pins */ 48119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB14_DRXD, 0); 49119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB15_DTXD, 1); 50119679Smbr 51119679Smbr /* PIOB's A periph: Turn USART 0's TX/RX pins */ 52119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB4_TXD0, 1); 53119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB5_RXD0, 0); 54119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB22_DSR0, 0); 55119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB23_DCD0, 0); 56119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB24_DTR0, 1); 57119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB25_RI0, 0); 58119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB26_RTS0, 1); 59119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB27_CTS0, 0); 60119679Smbr 61119679Smbr /* PIOB's A periph: Turn USART 1's TX/RX pins */ 62119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB6_TXD1, 1); 63119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB7_RXD1, 0); 64119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB28_RTS1, 1); 65119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOB_BASE, AT91C_PB29_CTS1, 0); 66119679Smbr 67119679Smbr /* TWI Two-wire Serial Data */ 68119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA23_TWD, 1); 69119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA24_TWCK, 1); 70131702Smbr 71119679Smbr#if 1 72119679Smbr /* 73119679Smbr * Turn off Clock to DataFlash, conflicts with MCI clock. 74119679Smbr */ 75119679Smbr at91_pio_use_gpio(AT91SAM9G20_PIOA_BASE,AT91C_PIO_PA2); 76119679Smbr at91_pio_gpio_input(AT91SAM9G20_PIOA_BASE,AT91C_PIO_PA2); 77119679Smbr 78119679Smbr /* Turn off chip select to DataFlash */ 79119679Smbr at91_pio_gpio_output(AT91SAM9G20_PIOC_BASE,AT91C_PIO_PC11, 0); 80119679Smbr at91_pio_gpio_set(AT91SAM9G20_PIOC_BASE,AT91C_PIO_PC11); 81119679Smbr at91_pio_use_gpio(AT91SAM9G20_PIOC_BASE,AT91C_PIO_PC11); 82119679Smbr 83119679Smbr /* Multimedia Card */ 84119679Smbr at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA0_MCDB0, 1); 85119679Smbr at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA1_MCCDB, 1); 86119679Smbr at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA3_MCDB3, 1); 87119679Smbr at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA4_MCDB2, 1); 88119679Smbr at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA5_MCDB1, 1); 89119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA8_MCCK, 1); 90119679Smbr at91_pio_use_gpio(AT91SAM9G20_PIOC_BASE, AT91C_PIO_PC9); 91119679Smbr#else 92119679Smbr /* SPI0 to DataFlash */ 93119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA0, 0); 94119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA1, 0); 95119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE, AT91C_PIO_PA2, 0); 96119679Smbr at91_pio_use_periph_b(AT91SAM9G20_PIOC_BASE, AT91C_PIO_PC11,0); 97119679Smbr 98119679Smbr at91_pio_gpio_input(AT91SAM9G20_PIOA_BASE,AT91C_PIO_PA8); 99119679Smbr at91_pio_use_gpio(AT91SAM9G20_PIOA_BASE,AT91C_PIO_PA8); 100119679Smbr#endif 101119679Smbr 102119679Smbr /* EMAC */ 103119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA12_ETX0 , 0); 104119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA13_ETX1, 0); 105119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA14_ERX0, 0); 106119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA15_ERX1, 0); 107119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA16_ETXEN, 0); 108119679Smbr at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA17_ERXDV, 0); 109 at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA18_ERXER, 0); 110 at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA19_ETXCK, 0); 111 at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA20_EMDC, 0); 112 at91_pio_use_periph_a(AT91SAM9G20_PIOA_BASE,AT91C_PA21_EMDIO, 0); 113 114 at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA10_ETX2_0, 0); 115 at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA11_ETX3_0, 0); 116 at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA22_ETXER, 0); 117 at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA25_ERX2, 0); 118 at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA26_ERX3, 0); 119 at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA27_ERXCK, 0); 120 at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA28_ECRS, 0); 121 at91_pio_use_periph_b(AT91SAM9G20_PIOA_BASE,AT91C_PA29_ECOL, 0); 122 123 return (at91_ramsize()); 124} 125