2 * linux/arch/arm/mach-at91/board-usb-a9260.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
6 * Copyright (C) 2007 Calao-systems
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/init.h>
26 #include <linux/module.h>
27 #include <linux/platform_device.h>
28 #include <linux/spi/spi.h>
29 #include <linux/gpio_keys.h>
30 #include <linux/input.h>
31 #include <linux/clk.h>
33 #include <asm/setup.h>
34 #include <asm/mach-types.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/irq.h>
41 #include <mach/hardware.h>
42 #include <mach/board.h>
43 #include <mach/gpio.h>
44 #include <mach/at91sam9_smc.h>
45 #include <mach/at91_shdwc.h>
51 static void __init
ek_init_early(void)
53 /* Initialize processor: 12.000 MHz crystal */
54 at91sam9260_initialize(12000000);
56 /* DBGU on ttyS0. (Rx & Tx only) */
57 at91_register_uart(0, 0, 0);
59 /* set serial console to ttyS0 (ie, DBGU) */
60 at91_set_serial_console(0);
63 static void __init
ek_init_irq(void)
65 at91sam9260_init_interrupts(NULL
);
72 static struct at91_usbh_data __initdata ek_usbh_data
= {
79 static struct at91_udc_data __initdata ek_udc_data
= {
80 .vbus_pin
= AT91_PIN_PC5
,
81 .pullup_pin
= 0, /* pull-up driven by UDC */
85 * MACB Ethernet device
87 static struct at91_eth_data __initdata ek_macb_data
= {
88 .phy_irq_pin
= AT91_PIN_PA31
,
95 static struct mtd_partition __initdata ek_nand_partition
[] = {
97 .name
= "Uboot & Kernel",
103 .offset
= MTDPART_OFS_NXTBLK
,
108 .offset
= MTDPART_OFS_NXTBLK
,
113 static struct mtd_partition
* __init
nand_partitions(int size
, int *num_partitions
)
115 *num_partitions
= ARRAY_SIZE(ek_nand_partition
);
116 return ek_nand_partition
;
119 static struct atmel_nand_data __initdata ek_nand_data
= {
122 // .det_pin = ... not connected
123 .rdy_pin
= AT91_PIN_PC13
,
124 .enable_pin
= AT91_PIN_PC14
,
125 .partition_info
= nand_partitions
,
128 static struct sam9_smc_config __initdata ek_nand_smc_config
= {
131 .ncs_write_setup
= 0,
136 .ncs_write_pulse
= 3,
142 .mode
= AT91_SMC_READMODE
| AT91_SMC_WRITEMODE
| AT91_SMC_EXNWMODE_DISABLE
| AT91_SMC_DBW_8
,
146 static void __init
ek_add_device_nand(void)
148 /* configure chip-select 3 (NAND) */
149 sam9_smc_configure(3, &ek_nand_smc_config
);
151 at91_add_device_nand(&ek_nand_data
);
158 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
159 static struct gpio_keys_button ek_buttons
[] = {
160 { /* USER PUSH BUTTON */
162 .gpio
= AT91_PIN_PB10
,
169 static struct gpio_keys_platform_data ek_button_data
= {
170 .buttons
= ek_buttons
,
171 .nbuttons
= ARRAY_SIZE(ek_buttons
),
174 static struct platform_device ek_button_device
= {
179 .platform_data
= &ek_button_data
,
183 static void __init
ek_add_device_buttons(void)
185 at91_set_GPIO_periph(AT91_PIN_PB10
, 1); /* user push button, pull up enabled */
186 at91_set_deglitch(AT91_PIN_PB10
, 1);
188 platform_device_register(&ek_button_device
);
191 static void __init
ek_add_device_buttons(void) {}
197 static struct gpio_led ek_leds
[] = {
198 { /* user_led (green) */
200 .gpio
= AT91_PIN_PB21
,
202 .default_trigger
= "heartbeat",
206 static void __init
ek_board_init(void)
209 at91_add_device_serial();
211 at91_add_device_usbh(&ek_usbh_data
);
213 at91_add_device_udc(&ek_udc_data
);
215 ek_add_device_nand();
217 at91_add_device_i2c(NULL
, 0);
219 at91_add_device_eth(&ek_macb_data
);
221 ek_add_device_buttons();
223 at91_gpio_leds(ek_leds
, ARRAY_SIZE(ek_leds
));
224 /* shutdown controller, wakeup button (5 msec low) */
225 at91_sys_write(AT91_SHDW_MR
, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
226 | AT91_SHDW_RTTWKEN
);
229 MACHINE_START(USB_A9260
, "CALAO USB_A9260")
230 /* Maintainer: calao-systems */
231 .timer
= &at91sam926x_timer
,
232 .map_io
= at91sam9260_map_io
,
233 .init_early
= ek_init_early
,
234 .init_irq
= ek_init_irq
,
235 .init_machine
= ek_board_init
,