]> nv-tegra.nvidia Code Review - linux-2.6.git/blob - arch/arm/mach-at91/board-usb-a9263.c
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
[linux-2.6.git] / arch / arm / mach-at91 / board-usb-a9263.c
1 /*
2  * linux/arch/arm/mach-at91/board-usb-a9263.c
3  *
4  *  Copyright (C) 2005 SAN People
5  *  Copyright (C) 2007 Atmel Corporation.
6  *  Copyright (C) 2007 Calao-systems
7  *
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.
12  *
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.
17  *
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
21  */
22
23 #include <linux/types.h>
24 #include <linux/init.h>
25 #include <linux/mm.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
32 #include <mach/hardware.h>
33 #include <asm/setup.h>
34 #include <asm/mach-types.h>
35 #include <asm/irq.h>
36
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/irq.h>
40
41 #include <mach/board.h>
42 #include <mach/gpio.h>
43 #include <mach/at91_shdwc.h>
44
45 #include "generic.h"
46
47
48 static void __init ek_map_io(void)
49 {
50         /* Initialize processor: 12.00 MHz crystal */
51         at91sam9263_initialize(12000000);
52
53         /* DGBU on ttyS0. (Rx & Tx only) */
54         at91_register_uart(0, 0, 0);
55
56         /* set serial console to ttyS0 (ie, DBGU) */
57         at91_set_serial_console(0);
58 }
59
60 static void __init ek_init_irq(void)
61 {
62         at91sam9263_init_interrupts(NULL);
63 }
64
65
66 /*
67  * USB Host port
68  */
69 static struct at91_usbh_data __initdata ek_usbh_data = {
70         .ports          = 2,
71 };
72
73 /*
74  * USB Device port
75  */
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 */
79 };
80
81 /*
82  * SPI devices.
83  */
84 static struct spi_board_info ek_spi_devices[] = {
85 #if !defined(CONFIG_MMC_AT91)
86         {       /* DataFlash chip */
87                 .modalias       = "mtd_dataflash",
88                 .chip_select    = 0,
89                 .max_speed_hz   = 15 * 1000 * 1000,
90                 .bus_num        = 0,
91         }
92 #endif
93 };
94
95 /*
96  * MACB Ethernet device
97  */
98 static struct at91_eth_data __initdata ek_macb_data = {
99         .phy_irq_pin    = AT91_PIN_PE31,
100         .is_rmii        = 1,
101 };
102
103 /*
104  * NAND flash
105  */
106 static struct mtd_partition __initdata ek_nand_partition[] = {
107         {
108                 .name   = "Linux Kernel",
109                 .offset = 0x00000000,
110                 .size   = 16 * 1024 * 1024,
111         },
112         {
113                 .name   = "Root FS",
114                 .offset = 0x01000000,
115                 .size   = 120 * 1024 * 1024,
116         },
117         {
118                 .name   = "FS",
119                 .offset = 0x08800000,
120                 .size   = 120 * 1024 * 1024,
121         }
122 };
123
124 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
125 {
126         *num_partitions = ARRAY_SIZE(ek_nand_partition);
127         return ek_nand_partition;
128 }
129
130 static struct atmel_nand_data __initdata ek_nand_data = {
131         .ale            = 21,
132         .cle            = 22,
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)
138         .bus_width_16   = 1,
139 #else
140         .bus_width_16   = 0,
141 #endif
142 };
143
144 /*
145  * GPIO Buttons
146  */
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,
155         }
156 };
157
158 static struct gpio_keys_platform_data ek_button_data = {
159         .buttons        = ek_buttons,
160         .nbuttons       = ARRAY_SIZE(ek_buttons),
161 };
162
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,
169         }
170 };
171
172 static void __init ek_add_device_buttons(void)
173 {
174         at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
175         at91_set_deglitch(AT91_PIN_PB10, 1);
176
177         platform_device_register(&ek_button_device);
178 }
179 #else
180 static void __init ek_add_device_buttons(void) {}
181 #endif
182
183 /*
184  * LEDs
185  */
186 static struct gpio_led ek_leds[] = {
187         {       /* user_led (green) */
188                 .name                   = "user_led",
189                 .gpio                   = AT91_PIN_PB21,
190                 .active_low             = 1,
191                 .default_trigger        = "heartbeat",
192         }
193 };
194
195
196 static void __init ek_board_init(void)
197 {
198         /* Serial */
199         at91_add_device_serial();
200         /* USB Host */
201         at91_add_device_usbh(&ek_usbh_data);
202         /* USB Device */
203         at91_add_device_udc(&ek_udc_data);
204         /* SPI */
205         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
206         /* Ethernet */
207         at91_add_device_eth(&ek_macb_data);
208         /* NAND */
209         at91_add_device_nand(&ek_nand_data);
210         /* I2C */
211         at91_add_device_i2c(NULL, 0);
212         /* Push Buttons */
213         ek_add_device_buttons();
214         /* LEDs */
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);
219 }
220
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,
227         .map_io         = ek_map_io,
228         .init_irq       = ek_init_irq,
229         .init_machine   = ek_board_init,
230 MACHINE_END