Merge remote-tracking branch 'moduleh/module.h-split'
[linux-2.6/next.git] / arch / arm / mach-at91 / board-usb-a9260.c
blobda2f659ff0b2bc9372208314ab999993a0e01f33
1 /*
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/gpio.h>
25 #include <linux/init.h>
26 #include <linux/mm.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/spi/spi.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/input.h>
32 #include <linux/clk.h>
34 #include <asm/setup.h>
35 #include <asm/mach-types.h>
36 #include <asm/irq.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
42 #include <mach/hardware.h>
43 #include <mach/board.h>
44 #include <mach/at91sam9_smc.h>
45 #include <mach/at91_shdwc.h>
47 #include "sam9_smc.h"
48 #include "generic.h"
51 static void __init ek_init_early(void)
53 /* Initialize processor: 12.000 MHz crystal */
54 at91_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);
64 * USB Host port
66 static struct at91_usbh_data __initdata ek_usbh_data = {
67 .ports = 2,
71 * USB Device port
73 static struct at91_udc_data __initdata ek_udc_data = {
74 .vbus_pin = AT91_PIN_PC5,
75 .pullup_pin = 0, /* pull-up driven by UDC */
79 * MACB Ethernet device
81 static struct at91_eth_data __initdata ek_macb_data = {
82 .phy_irq_pin = AT91_PIN_PA31,
83 .is_rmii = 1,
87 * NAND flash
89 static struct mtd_partition __initdata ek_nand_partition[] = {
91 .name = "Uboot & Kernel",
92 .offset = 0,
93 .size = SZ_16M,
96 .name = "Root FS",
97 .offset = MTDPART_OFS_NXTBLK,
98 .size = 120 * SZ_1M,
101 .name = "FS",
102 .offset = MTDPART_OFS_NXTBLK,
103 .size = 120 * SZ_1M,
107 static struct atmel_nand_data __initdata ek_nand_data = {
108 .ale = 21,
109 .cle = 22,
110 // .det_pin = ... not connected
111 .rdy_pin = AT91_PIN_PC13,
112 .enable_pin = AT91_PIN_PC14,
113 .parts = ek_nand_partition,
114 .num_parts = ARRAY_SIZE(ek_nand_partition),
117 static struct sam9_smc_config __initdata ek_nand_smc_config = {
118 .ncs_read_setup = 0,
119 .nrd_setup = 1,
120 .ncs_write_setup = 0,
121 .nwe_setup = 1,
123 .ncs_read_pulse = 3,
124 .nrd_pulse = 3,
125 .ncs_write_pulse = 3,
126 .nwe_pulse = 3,
128 .read_cycle = 5,
129 .write_cycle = 5,
131 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
132 .tdf_cycles = 2,
135 static void __init ek_add_device_nand(void)
137 /* configure chip-select 3 (NAND) */
138 sam9_smc_configure(3, &ek_nand_smc_config);
140 at91_add_device_nand(&ek_nand_data);
144 * GPIO Buttons
147 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
148 static struct gpio_keys_button ek_buttons[] = {
149 { /* USER PUSH BUTTON */
150 .code = KEY_ENTER,
151 .gpio = AT91_PIN_PB10,
152 .active_low = 1,
153 .desc = "user_pb",
154 .wakeup = 1,
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 = {
164 .name = "gpio-keys",
165 .id = -1,
166 .num_resources = 0,
167 .dev = {
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);
179 #else
180 static void __init ek_add_device_buttons(void) {}
181 #endif
184 * LEDs
186 static struct gpio_led ek_leds[] = {
187 { /* user_led (green) */
188 .name = "user_led",
189 .gpio = AT91_PIN_PB21,
190 .active_low = 0,
191 .default_trigger = "heartbeat",
195 static void __init ek_board_init(void)
197 /* Serial */
198 at91_add_device_serial();
199 /* USB Host */
200 at91_add_device_usbh(&ek_usbh_data);
201 /* USB Device */
202 at91_add_device_udc(&ek_udc_data);
203 /* NAND */
204 ek_add_device_nand();
205 /* I2C */
206 at91_add_device_i2c(NULL, 0);
207 /* Ethernet */
208 at91_add_device_eth(&ek_macb_data);
209 /* Push Buttons */
210 ek_add_device_buttons();
211 /* LEDs */
212 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
213 /* shutdown controller, wakeup button (5 msec low) */
214 at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
215 | AT91_SHDW_RTTWKEN);
218 MACHINE_START(USB_A9260, "CALAO USB_A9260")
219 /* Maintainer: calao-systems */
220 .timer = &at91sam926x_timer,
221 .map_io = at91_map_io,
222 .init_early = ek_init_early,
223 .init_irq = at91_init_irq_default,
224 .init_machine = ek_board_init,
225 MACHINE_END