2 * linux/arch/arm/mach-at91/board-sam9-l9260.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
6 * Copyright (C) 2007 Olimex Ltd
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <linux/types.h>
24 #include <linux/gpio.h>
25 #include <linux/init.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/spi/spi.h>
31 #include <mach/hardware.h>
32 #include <asm/setup.h>
33 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
40 #include <mach/board.h>
41 #include <mach/at91sam9_smc.h>
47 static void __init ek_init_early(void)
49 /* Initialize processor: 18.432 MHz crystal */
50 at91_initialize(18432000);
56 static struct at91_usbh_data __initdata ek_usbh_data = {
58 .vbus_pin = {-EINVAL, -EINVAL},
59 .overcurrent_pin= {-EINVAL, -EINVAL},
65 static struct at91_udc_data __initdata ek_udc_data = {
66 .vbus_pin = AT91_PIN_PC5,
67 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
74 static struct spi_board_info ek_spi_devices[] = {
75 #if !IS_ENABLED(CONFIG_MMC_ATMELMCI)
76 { /* DataFlash chip */
77 .modalias = "mtd_dataflash",
79 .max_speed_hz = 15 * 1000 * 1000,
82 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
83 { /* DataFlash card */
84 .modalias = "mtd_dataflash",
86 .max_speed_hz = 15 * 1000 * 1000,
95 * MACB Ethernet device
97 static struct macb_platform_data __initdata ek_macb_data = {
98 .phy_irq_pin = AT91_PIN_PA7,
106 static struct mtd_partition __initdata ek_nand_partition[] = {
108 .name = "Bootloader Area",
114 .offset = MTDPART_OFS_NXTBLK,
115 .size = MTDPART_SIZ_FULL,
119 static struct atmel_nand_data __initdata ek_nand_data = {
123 .rdy_pin = AT91_PIN_PC13,
124 .enable_pin = AT91_PIN_PC14,
125 .ecc_mode = NAND_ECC_SOFT,
126 .parts = ek_nand_partition,
127 .num_parts = ARRAY_SIZE(ek_nand_partition),
130 static struct sam9_smc_config __initdata ek_nand_smc_config = {
133 .ncs_write_setup = 0,
138 .ncs_write_pulse = 3,
144 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
148 static void __init ek_add_device_nand(void)
150 /* configure chip-select 3 (NAND) */
151 sam9_smc_configure(0, 3, &ek_nand_smc_config);
153 at91_add_device_nand(&ek_nand_data);
160 static struct mci_platform_data __initdata ek_mci0_data = {
163 .detect_pin = AT91_PIN_PC8,
164 .wp_pin = AT91_PIN_PC4,
168 static void __init ek_board_init(void)
171 at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6);
174 /* DBGU on ttyS0. (Rx & Tx only) */
175 at91_register_uart(0, 0, 0);
177 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
178 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
179 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
182 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
183 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
184 at91_add_device_serial();
186 at91_add_device_usbh(&ek_usbh_data);
188 at91_add_device_udc(&ek_udc_data);
190 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
192 ek_add_device_nand();
194 at91_add_device_eth(&ek_macb_data);
196 at91_add_device_mci(0, &ek_mci0_data);
198 at91_add_device_i2c(NULL, 0);
201 MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
202 /* Maintainer: Olimex */
203 .timer = &at91sam926x_timer,
204 .map_io = at91_map_io,
205 .init_early = ek_init_early,
206 .init_irq = at91_init_irq_default,
207 .init_machine = ek_board_init,