2 * linux/arch/arm/mach-at91/board-usb-a9263.c
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2007 Atmel Corporation.
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>
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/hardware.h>
41 #include <mach/board.h>
42 #include <mach/gpio.h>
43 #include <mach/at91_shdwc.h>
48 static void __init ek_map_io(void)
50 /* Initialize processor: 12.00 MHz crystal */
51 at91sam9263_initialize(12000000);
53 /* DGBU on ttyS0. (Rx & Tx only) */
54 at91_register_uart(0, 0, 0);
56 /* set serial console to ttyS0 (ie, DBGU) */
57 at91_set_serial_console(0);
60 static void __init ek_init_irq(void)
62 at91sam9263_init_interrupts(NULL);
69 static struct at91_usbh_data __initdata ek_usbh_data = {
76 static struct at91_udc_data __initdata ek_udc_data = {
77 .vbus_pin = AT91_PIN_PB11,
78 .pullup_pin = 0, /* pull-up driven by UDC */
84 static struct spi_board_info ek_spi_devices[] = {
85 #if !defined(CONFIG_MMC_AT91)
86 { /* DataFlash chip */
87 .modalias = "mtd_dataflash",
89 .max_speed_hz = 15 * 1000 * 1000,
96 * MACB Ethernet device
98 static struct at91_eth_data __initdata ek_macb_data = {
99 .phy_irq_pin = AT91_PIN_PE31,
106 static struct mtd_partition __initdata ek_nand_partition[] = {
108 .name = "Linux Kernel",
114 .offset = MTDPART_OFS_NXTBLK,
119 .offset = MTDPART_OFS_NXTBLK,
124 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
126 *num_partitions = ARRAY_SIZE(ek_nand_partition);
127 return ek_nand_partition;
130 static struct atmel_nand_data __initdata ek_nand_data = {
133 // .det_pin = ... not connected
134 .rdy_pin = AT91_PIN_PA22,
135 .enable_pin = AT91_PIN_PD15,
136 .partition_info = nand_partitions,
137 #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
147 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
148 static struct gpio_keys_button ek_buttons[] = {
149 { /* USER PUSH BUTTON */
151 .gpio = AT91_PIN_PB10,
158 static struct gpio_keys_platform_data ek_button_data = {
159 .buttons = ek_buttons,
160 .nbuttons = ARRAY_SIZE(ek_buttons),
163 static struct platform_device ek_button_device = {
168 .platform_data = &ek_button_data,
172 static void __init ek_add_device_buttons(void)
174 at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
175 at91_set_deglitch(AT91_PIN_PB10, 1);
177 platform_device_register(&ek_button_device);
180 static void __init ek_add_device_buttons(void) {}
186 static struct gpio_led ek_leds[] = {
187 { /* user_led (green) */
189 .gpio = AT91_PIN_PB21,
191 .default_trigger = "heartbeat",
196 static void __init ek_board_init(void)
199 at91_add_device_serial();
201 at91_add_device_usbh(&ek_usbh_data);
203 at91_add_device_udc(&ek_udc_data);
205 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
207 at91_add_device_eth(&ek_macb_data);
209 at91_add_device_nand(&ek_nand_data);
211 at91_add_device_i2c(NULL, 0);
213 ek_add_device_buttons();
215 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
216 /* shutdown controller, wakeup button (5 msec low) */
217 at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
218 | AT91_SHDW_RTTWKEN);
221 MACHINE_START(USB_A9263, "CALAO USB_A9263")
222 /* Maintainer: calao-systems */
223 .phys_io = AT91_BASE_SYS,
224 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
225 .boot_params = AT91_SDRAM_BASE + 0x100,
226 .timer = &at91sam926x_timer,
228 .init_irq = ek_init_irq,
229 .init_machine = ek_board_init,