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0fb55d3b ST |
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 |