2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2012 Marius Strobl <marius@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * Ethernut 5 board support
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <machine/board.h>
39 #include <arm/at91/at91_pioreg.h>
40 #include <arm/at91/at91_piovar.h>
41 #include <arm/at91/at91board.h>
42 #include <arm/at91/at91sam9260reg.h>
43 #include <arm/at91/at91_smc.h>
44 #include <arm/at91/at91_gpio.h>
45 #include <dev/nand/nfc_at91.h>
47 static struct at91_smc_init nand_smc = {
61 .mode = SMC_MODE_READ | SMC_MODE_WRITE | SMC_MODE_EXNW_DISABLED,
65 static struct at91_nand_params nand_param = {
69 .rnb_pin = AT91_PIN_PC13,
70 .nce_pin = AT91_PIN_PC14,
82 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB14, 0);
84 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB15, 1);
95 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA12, 0);
97 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA13, 0);
99 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA14, 0);
101 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA15, 0);
103 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA16, 0);
105 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA17, 0);
107 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA18, 0);
109 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA19, 0);
111 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA20, 0);
113 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA21, 0);
116 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA10, 0);
118 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA11, 0);
120 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA22, 0);
122 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA25, 0);
124 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA26, 0);
126 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA27, 0);
128 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA28, 0);
130 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA29, 0);
138 * MMC, wired to socket B.
141 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA0, 1);
143 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA1, 1);
145 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA3, 1);
147 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA4, 1);
149 at91_pio_use_periph_b(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA5, 1);
151 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA8, 1);
154 * SPI0 and MMC are wired together, since we don't support sharing
155 * don't support the dataflash. But if you did, you'd have to
165 * TWI. Only one child on the iic bus, which we take care of
169 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA23, 1);
171 at91_pio_use_periph_a(AT91SAM9260_PIOA_BASE, AT91C_PIO_PA24, 1);
182 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB4, 1);
184 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB5, 0);
186 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB22, 0);
188 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB23, 0);
190 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB24, 1);
192 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB25, 0);
194 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB26, 1);
196 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB27, 0);
206 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB28, 1);
208 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB29, 0);
210 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB6, 1);
212 at91_pio_use_periph_a(AT91SAM9260_PIOB_BASE, AT91C_PIO_PB7, 0);
218 /* Samsung 256MB SLC Flash */
220 /* Setup Static Memory Controller */
221 at91_smc_setup(0, 3, &nand_smc);
222 at91_enable_nand(&nand_param);
226 * - RNB is on pin PC13
227 * - CE is on pin PC14
229 * Nothing actually uses RNB right now.
231 * For CE, this currently asserts it during board setup and leaves it
234 * All this can go away when the gpio pin-renumbering happens...
236 at91_pio_use_gpio(AT91SAM9260_PIOC_BASE, AT91C_PIO_PC13 | AT91C_PIO_PC14);
237 at91_pio_gpio_input(AT91SAM9260_PIOC_BASE, AT91C_PIO_PC13); /* RNB */
238 at91_pio_gpio_output(AT91SAM9260_PIOC_BASE, AT91C_PIO_PC14, 0); /* nCS */
239 at91_pio_gpio_clear(AT91SAM9260_PIOC_BASE, AT91C_PIO_PC14); /* Assert nCS */
250 * SPI1 is wired to a audio CODEC that we don't support, so
257 /* USART2 - USART5 aren't wired up, except via PIO pins, ignore them. */
261 return (at91_ramsize());
264 ARM_BOARD(AT91SAM9260EK, "Atmel SMA9260-EK")