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/at91sam9_smc.h>
48 static void __init
ek_init_early(void)
50 /* Initialize processor: 18.432 MHz crystal */
51 at91_initialize(18432000);
57 static struct at91_usbh_data __initdata ek_usbh_data
= {
59 .vbus_pin
= {-EINVAL
, -EINVAL
},
60 .overcurrent_pin
= {-EINVAL
, -EINVAL
},
66 static struct at91_udc_data __initdata ek_udc_data
= {
67 .vbus_pin
= AT91_PIN_PC5
,
68 .pullup_pin
= -EINVAL
, /* pull-up driven by UDC */
75 static struct spi_board_info ek_spi_devices
[] = {
76 #if !IS_ENABLED(CONFIG_MMC_ATMELMCI)
77 { /* DataFlash chip */
78 .modalias
= "mtd_dataflash",
80 .max_speed_hz
= 15 * 1000 * 1000,
83 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
84 { /* DataFlash card */
85 .modalias
= "mtd_dataflash",
87 .max_speed_hz
= 15 * 1000 * 1000,
96 * MACB Ethernet device
98 static struct macb_platform_data __initdata ek_macb_data
= {
99 .phy_irq_pin
= AT91_PIN_PA7
,
107 static struct mtd_partition __initdata ek_nand_partition
[] = {
109 .name
= "Bootloader Area",
115 .offset
= MTDPART_OFS_NXTBLK
,
116 .size
= MTDPART_SIZ_FULL
,
120 static struct atmel_nand_data __initdata ek_nand_data
= {
124 .rdy_pin
= AT91_PIN_PC13
,
125 .enable_pin
= AT91_PIN_PC14
,
126 .ecc_mode
= NAND_ECC_SOFT
,
127 .parts
= ek_nand_partition
,
128 .num_parts
= ARRAY_SIZE(ek_nand_partition
),
131 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
134 .ncs_write_setup
= 0,
139 .ncs_write_pulse
= 3,
145 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
| AT91_SMC_DBW_8
,
149 static void __init
ek_add_device_nand(void)
151 /* configure chip-select 3 (NAND) */
152 sam9_smc_configure(0, 3, &ek_nand_smc_config
);
154 at91_add_device_nand(&ek_nand_data
);
161 static struct mci_platform_data __initdata ek_mci0_data
= {
164 .detect_pin
= AT91_PIN_PC8
,
165 .wp_pin
= AT91_PIN_PC4
,
172 static struct gpio_led ek_leds
[] = {
175 .gpio
= AT91_PIN_PA9
,
177 .default_trigger
= "heartbeat",
181 .gpio
= AT91_PIN_PA6
,
183 .default_trigger
= "timer",
187 static void __init
ek_board_init(void)
190 /* DBGU on ttyS0. (Rx & Tx only) */
191 at91_register_uart(0, 0, 0);
193 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
194 at91_register_uart(AT91SAM9260_ID_US0
, 1, ATMEL_UART_CTS
| ATMEL_UART_RTS
195 | ATMEL_UART_DTR
| ATMEL_UART_DSR
| ATMEL_UART_DCD
198 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
199 at91_register_uart(AT91SAM9260_ID_US1
, 2, ATMEL_UART_CTS
| ATMEL_UART_RTS
);
200 at91_add_device_serial();
202 at91_add_device_usbh(&ek_usbh_data
);
204 at91_add_device_udc(&ek_udc_data
);
206 at91_add_device_spi(ek_spi_devices
, ARRAY_SIZE(ek_spi_devices
));
208 ek_add_device_nand();
210 at91_add_device_eth(&ek_macb_data
);
212 at91_add_device_mci(0, &ek_mci0_data
);
214 at91_add_device_i2c(NULL
, 0);
216 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
219 MACHINE_START(SAM9_L9260
, "Olimex SAM9-L9260")
220 /* Maintainer: Olimex */
221 .init_time
= at91sam926x_pit_init
,
222 .map_io
= at91_map_io
,
223 .handle_irq
= at91_aic_handle_irq
,
224 .init_early
= ek_init_early
,
225 .init_irq
= at91_init_irq_default
,
226 .init_machine
= ek_board_init
,