diff options
Diffstat (limited to 'arch/arm/mach-at91/board-foxg20.c')
-rw-r--r-- | arch/arm/mach-at91/board-foxg20.c | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-foxg20.c b/arch/arm/mach-at91/board-foxg20.c new file mode 100644 index 000000000000..dfc7dfe738e4 --- /dev/null +++ b/arch/arm/mach-at91/board-foxg20.c | |||
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1 | /* | ||
2 | * Copyright (C) 2005 SAN People | ||
3 | * Copyright (C) 2008 Atmel | ||
4 | * Copyright (C) 2010 Lee McLoughlin - lee@lmmrtech.com | ||
5 | * Copyright (C) 2010 Sergio Tanzilli - tanzilli@acmesystems.it | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | */ | ||
21 | |||
22 | #include <linux/types.h> | ||
23 | #include <linux/init.h> | ||
24 | #include <linux/mm.h> | ||
25 | #include <linux/module.h> | ||
26 | #include <linux/platform_device.h> | ||
27 | #include <linux/spi/spi.h> | ||
28 | #include <linux/spi/at73c213.h> | ||
29 | #include <linux/gpio.h> | ||
30 | #include <linux/gpio_keys.h> | ||
31 | #include <linux/input.h> | ||
32 | #include <linux/clk.h> | ||
33 | #include <linux/w1-gpio.h> | ||
34 | |||
35 | #include <mach/hardware.h> | ||
36 | #include <asm/setup.h> | ||
37 | #include <asm/mach-types.h> | ||
38 | #include <asm/irq.h> | ||
39 | |||
40 | #include <asm/mach/arch.h> | ||
41 | #include <asm/mach/map.h> | ||
42 | #include <asm/mach/irq.h> | ||
43 | |||
44 | #include <mach/board.h> | ||
45 | #include <mach/at91sam9_smc.h> | ||
46 | |||
47 | #include "sam9_smc.h" | ||
48 | #include "generic.h" | ||
49 | |||
50 | /* | ||
51 | * The FOX Board G20 hardware comes as the "Netus G20" board with | ||
52 | * just the cpu, ram, dataflash and two header connectors. | ||
53 | * This is plugged into the FOX Board which provides the ethernet, | ||
54 | * usb, rtc, leds, switch, ... | ||
55 | * | ||
56 | * For more info visit: http://www.acmesystems.it/foxg20 | ||
57 | */ | ||
58 | |||
59 | |||
60 | static void __init foxg20_map_io(void) | ||
61 | { | ||
62 | /* Initialize processor: 18.432 MHz crystal */ | ||
63 | at91sam9260_initialize(18432000); | ||
64 | |||
65 | /* DBGU on ttyS0. (Rx & Tx only) */ | ||
66 | at91_register_uart(0, 0, 0); | ||
67 | |||
68 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ | ||
69 | at91_register_uart(AT91SAM9260_ID_US0, 1, | ||
70 | ATMEL_UART_CTS | ||
71 | | ATMEL_UART_RTS | ||
72 | | ATMEL_UART_DTR | ||
73 | | ATMEL_UART_DSR | ||
74 | | ATMEL_UART_DCD | ||
75 | | ATMEL_UART_RI); | ||
76 | |||
77 | /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ | ||
78 | at91_register_uart(AT91SAM9260_ID_US1, 2, | ||
79 | ATMEL_UART_CTS | ||
80 | | ATMEL_UART_RTS); | ||
81 | |||
82 | /* USART2 on ttyS3. (Rx & Tx only) */ | ||
83 | at91_register_uart(AT91SAM9260_ID_US2, 3, 0); | ||
84 | |||
85 | /* USART3 on ttyS4. (Rx, Tx, RTS, CTS) */ | ||
86 | at91_register_uart(AT91SAM9260_ID_US3, 4, | ||
87 | ATMEL_UART_CTS | ||
88 | | ATMEL_UART_RTS); | ||
89 | |||
90 | /* USART4 on ttyS5. (Rx & Tx only) */ | ||
91 | at91_register_uart(AT91SAM9260_ID_US4, 5, 0); | ||
92 | |||
93 | /* USART5 on ttyS6. (Rx & Tx only) */ | ||
94 | at91_register_uart(AT91SAM9260_ID_US5, 6, 0); | ||
95 | |||
96 | /* set serial console to ttyS0 (ie, DBGU) */ | ||
97 | at91_set_serial_console(0); | ||
98 | |||
99 | /* Set the internal pull-up resistor on DRXD */ | ||
100 | at91_set_A_periph(AT91_PIN_PB14, 1); | ||
101 | |||
102 | } | ||
103 | |||
104 | static void __init foxg20_init_irq(void) | ||
105 | { | ||
106 | at91sam9260_init_interrupts(NULL); | ||
107 | } | ||
108 | |||
109 | |||
110 | /* | ||
111 | * USB Host port | ||
112 | */ | ||
113 | static struct at91_usbh_data __initdata foxg20_usbh_data = { | ||
114 | .ports = 2, | ||
115 | }; | ||
116 | |||
117 | /* | ||
118 | * USB Device port | ||
119 | */ | ||
120 | static struct at91_udc_data __initdata foxg20_udc_data = { | ||
121 | .vbus_pin = AT91_PIN_PC6, | ||
122 | .pullup_pin = 0, /* pull-up driven by UDC */ | ||
123 | }; | ||
124 | |||
125 | |||
126 | /* | ||
127 | * SPI devices. | ||
128 | */ | ||
129 | static struct spi_board_info foxg20_spi_devices[] = { | ||
130 | #if !defined(CONFIG_MMC_AT91) | ||
131 | { | ||
132 | .modalias = "mtd_dataflash", | ||
133 | .chip_select = 1, | ||
134 | .max_speed_hz = 15 * 1000 * 1000, | ||
135 | .bus_num = 0, | ||
136 | }, | ||
137 | #endif | ||
138 | }; | ||
139 | |||
140 | |||
141 | /* | ||
142 | * MACB Ethernet device | ||
143 | */ | ||
144 | static struct at91_eth_data __initdata foxg20_macb_data = { | ||
145 | .phy_irq_pin = AT91_PIN_PA7, | ||
146 | .is_rmii = 1, | ||
147 | }; | ||
148 | |||
149 | /* | ||
150 | * MCI (SD/MMC) | ||
151 | * det_pin, wp_pin and vcc_pin are not connected | ||
152 | */ | ||
153 | static struct at91_mmc_data __initdata foxg20_mmc_data = { | ||
154 | .slot_b = 1, | ||
155 | .wire4 = 1, | ||
156 | }; | ||
157 | |||
158 | |||
159 | /* | ||
160 | * LEDs | ||
161 | */ | ||
162 | static struct gpio_led foxg20_leds[] = { | ||
163 | { /* user led, red */ | ||
164 | .name = "user_led", | ||
165 | .gpio = AT91_PIN_PC7, | ||
166 | .active_low = 0, | ||
167 | .default_trigger = "heartbeat", | ||
168 | }, | ||
169 | }; | ||
170 | |||
171 | |||
172 | /* | ||
173 | * GPIO Buttons | ||
174 | */ | ||
175 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | ||
176 | static struct gpio_keys_button foxg20_buttons[] = { | ||
177 | { | ||
178 | .gpio = AT91_PIN_PC4, | ||
179 | .code = BTN_1, | ||
180 | .desc = "Button 1", | ||
181 | .active_low = 1, | ||
182 | .wakeup = 1, | ||
183 | }, | ||
184 | }; | ||
185 | |||
186 | static struct gpio_keys_platform_data foxg20_button_data = { | ||
187 | .buttons = foxg20_buttons, | ||
188 | .nbuttons = ARRAY_SIZE(foxg20_buttons), | ||
189 | }; | ||
190 | |||
191 | static struct platform_device foxg20_button_device = { | ||
192 | .name = "gpio-keys", | ||
193 | .id = -1, | ||
194 | .num_resources = 0, | ||
195 | .dev = { | ||
196 | .platform_data = &foxg20_button_data, | ||
197 | } | ||
198 | }; | ||
199 | |||
200 | static void __init foxg20_add_device_buttons(void) | ||
201 | { | ||
202 | at91_set_gpio_input(AT91_PIN_PC4, 1); /* btn1 */ | ||
203 | at91_set_deglitch(AT91_PIN_PC4, 1); | ||
204 | |||
205 | platform_device_register(&foxg20_button_device); | ||
206 | } | ||
207 | #else | ||
208 | static void __init foxg20_add_device_buttons(void) {} | ||
209 | #endif | ||
210 | |||
211 | |||
212 | #if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE) | ||
213 | static struct w1_gpio_platform_data w1_gpio_pdata = { | ||
214 | /* If you choose to use a pin other than PB16 it needs to be 3.3V */ | ||
215 | .pin = AT91_PIN_PB16, | ||
216 | .is_open_drain = 1, | ||
217 | }; | ||
218 | |||
219 | static struct platform_device w1_device = { | ||
220 | .name = "w1-gpio", | ||
221 | .id = -1, | ||
222 | .dev.platform_data = &w1_gpio_pdata, | ||
223 | }; | ||
224 | |||
225 | static void __init at91_add_device_w1(void) | ||
226 | { | ||
227 | at91_set_GPIO_periph(w1_gpio_pdata.pin, 1); | ||
228 | at91_set_multi_drive(w1_gpio_pdata.pin, 1); | ||
229 | platform_device_register(&w1_device); | ||
230 | } | ||
231 | |||
232 | #endif | ||
233 | |||
234 | |||
235 | static struct i2c_board_info __initdata foxg20_i2c_devices[] = { | ||
236 | { | ||
237 | I2C_BOARD_INFO("24c512", 0x50), | ||
238 | }, | ||
239 | }; | ||
240 | |||
241 | |||
242 | static void __init foxg20_board_init(void) | ||
243 | { | ||
244 | /* Serial */ | ||
245 | at91_add_device_serial(); | ||
246 | /* USB Host */ | ||
247 | at91_add_device_usbh(&foxg20_usbh_data); | ||
248 | /* USB Device */ | ||
249 | at91_add_device_udc(&foxg20_udc_data); | ||
250 | /* SPI */ | ||
251 | at91_add_device_spi(foxg20_spi_devices, ARRAY_SIZE(foxg20_spi_devices)); | ||
252 | /* Ethernet */ | ||
253 | at91_add_device_eth(&foxg20_macb_data); | ||
254 | /* MMC */ | ||
255 | at91_add_device_mmc(0, &foxg20_mmc_data); | ||
256 | /* I2C */ | ||
257 | at91_add_device_i2c(foxg20_i2c_devices, ARRAY_SIZE(foxg20_i2c_devices)); | ||
258 | /* LEDs */ | ||
259 | at91_gpio_leds(foxg20_leds, ARRAY_SIZE(foxg20_leds)); | ||
260 | /* Push Buttons */ | ||
261 | foxg20_add_device_buttons(); | ||
262 | #if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE) | ||
263 | at91_add_device_w1(); | ||
264 | #endif | ||
265 | } | ||
266 | |||
267 | MACHINE_START(ACMENETUSFOXG20, "Acme Systems srl FOX Board G20") | ||
268 | /* Maintainer: Sergio Tanzilli */ | ||
269 | .boot_params = AT91_SDRAM_BASE + 0x100, | ||
270 | .timer = &at91sam926x_timer, | ||
271 | .map_io = foxg20_map_io, | ||
272 | .init_irq = foxg20_init_irq, | ||
273 | .init_machine = foxg20_board_init, | ||
274 | MACHINE_END | ||