Commit | Line | Data |
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ca0a789a | 1 | /* |
6939fd49 | 2 | * linux/arch/arm/mach-at91/board-usb-a926x.c |
ca0a789a AV |
3 | * |
4 | * Copyright (C) 2005 SAN People | |
5 | * Copyright (C) 2007 Atmel Corporation. | |
6 | * Copyright (C) 2007 Calao-systems | |
0a072a24 | 7 | * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> |
ca0a789a AV |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <linux/types.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> | |
33533277 | 31 | #include <linux/gpio.h> |
ca0a789a | 32 | #include <linux/input.h> |
0a072a24 | 33 | #include <linux/spi/mmc_spi.h> |
ca0a789a | 34 | |
ca0a789a AV |
35 | #include <asm/setup.h> |
36 | #include <asm/mach-types.h> | |
37 | #include <asm/irq.h> | |
38 | ||
39 | #include <asm/mach/arch.h> | |
40 | #include <asm/mach/map.h> | |
41 | #include <asm/mach/irq.h> | |
42 | ||
e505240b | 43 | #include <mach/hardware.h> |
8cdae51a | 44 | #include <mach/at91sam9_smc.h> |
ca0a789a | 45 | |
a510b9ba | 46 | #include "at91_aic.h" |
176bdd2c | 47 | #include "at91_shdwc.h" |
43d2f532 | 48 | #include "board.h" |
8cdae51a | 49 | #include "sam9_smc.h" |
ca0a789a AV |
50 | #include "generic.h" |
51 | ||
52 | ||
1b021a3b | 53 | static void __init ek_init_early(void) |
ca0a789a AV |
54 | { |
55 | /* Initialize processor: 12.00 MHz crystal */ | |
21d08b9d | 56 | at91_initialize(12000000); |
ca0a789a AV |
57 | } |
58 | ||
ca0a789a AV |
59 | /* |
60 | * USB Host port | |
61 | */ | |
62 | static struct at91_usbh_data __initdata ek_usbh_data = { | |
63 | .ports = 2, | |
63b4c296 JCPV |
64 | .vbus_pin = {-EINVAL, -EINVAL}, |
65 | .overcurrent_pin= {-EINVAL, -EINVAL}, | |
ca0a789a AV |
66 | }; |
67 | ||
68 | /* | |
69 | * USB Device port | |
70 | */ | |
71 | static struct at91_udc_data __initdata ek_udc_data = { | |
72 | .vbus_pin = AT91_PIN_PB11, | |
63b4c296 | 73 | .pullup_pin = -EINVAL, /* pull-up driven by UDC */ |
ca0a789a AV |
74 | }; |
75 | ||
0a072a24 | 76 | static void __init ek_add_device_udc(void) |
6939fd49 | 77 | { |
0a072a24 | 78 | if (machine_is_usb_a9260() || machine_is_usb_a9g20()) |
6939fd49 NE |
79 | ek_udc_data.vbus_pin = AT91_PIN_PC5; |
80 | ||
81 | at91_add_device_udc(&ek_udc_data); | |
82 | } | |
83 | ||
0a072a24 JCPV |
84 | #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) |
85 | #define MMC_SPI_CARD_DETECT_INT AT91_PIN_PC4 | |
86 | static int at91_mmc_spi_init(struct device *dev, | |
87 | irqreturn_t (*detect_int)(int, void *), void *data) | |
88 | { | |
89 | /* Configure Interrupt pin as input, no pull-up */ | |
90 | at91_set_gpio_input(MMC_SPI_CARD_DETECT_INT, 0); | |
91 | return request_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), detect_int, | |
92 | IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, | |
93 | "mmc-spi-detect", data); | |
94 | } | |
95 | ||
96 | static void at91_mmc_spi_exit(struct device *dev, void *data) | |
97 | { | |
98 | free_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), data); | |
99 | } | |
100 | ||
101 | static struct mmc_spi_platform_data at91_mmc_spi_pdata = { | |
102 | .init = at91_mmc_spi_init, | |
103 | .exit = at91_mmc_spi_exit, | |
104 | .detect_delay = 100, /* msecs */ | |
105 | }; | |
106 | #endif | |
107 | ||
ca0a789a AV |
108 | /* |
109 | * SPI devices. | |
110 | */ | |
0a072a24 | 111 | static struct spi_board_info usb_a9263_spi_devices[] = { |
ca0a789a AV |
112 | { /* DataFlash chip */ |
113 | .modalias = "mtd_dataflash", | |
114 | .chip_select = 0, | |
115 | .max_speed_hz = 15 * 1000 * 1000, | |
116 | .bus_num = 0, | |
117 | } | |
ca0a789a AV |
118 | }; |
119 | ||
0a072a24 JCPV |
120 | static struct spi_board_info usb_a9g20_spi_devices[] = { |
121 | #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) | |
122 | { | |
123 | .modalias = "mmc_spi", | |
124 | .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ | |
125 | .bus_num = 1, | |
126 | .chip_select = 0, | |
127 | .platform_data = &at91_mmc_spi_pdata, | |
128 | .mode = SPI_MODE_3, | |
129 | }, | |
130 | #endif | |
131 | }; | |
132 | ||
133 | static void __init ek_add_device_spi(void) | |
6939fd49 NE |
134 | { |
135 | if (machine_is_usb_a9263()) | |
0a072a24 JCPV |
136 | at91_add_device_spi(usb_a9263_spi_devices, ARRAY_SIZE(usb_a9263_spi_devices)); |
137 | else if (machine_is_usb_a9g20()) | |
138 | at91_add_device_spi(usb_a9g20_spi_devices, ARRAY_SIZE(usb_a9g20_spi_devices)); | |
6939fd49 NE |
139 | } |
140 | ||
ca0a789a AV |
141 | /* |
142 | * MACB Ethernet device | |
143 | */ | |
84e0cdb0 | 144 | static struct macb_platform_data __initdata ek_macb_data = { |
ca0a789a AV |
145 | .phy_irq_pin = AT91_PIN_PE31, |
146 | .is_rmii = 1, | |
147 | }; | |
148 | ||
0a072a24 | 149 | static void __init ek_add_device_eth(void) |
6939fd49 | 150 | { |
0a072a24 | 151 | if (machine_is_usb_a9260() || machine_is_usb_a9g20()) |
6939fd49 NE |
152 | ek_macb_data.phy_irq_pin = AT91_PIN_PA31; |
153 | ||
154 | at91_add_device_eth(&ek_macb_data); | |
155 | } | |
156 | ||
ca0a789a AV |
157 | /* |
158 | * NAND flash | |
159 | */ | |
160 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
161 | { | |
0a072a24 | 162 | .name = "barebox", |
e505240b | 163 | .offset = 0, |
0a072a24 JCPV |
164 | .size = 3 * SZ_128K, |
165 | }, { | |
166 | .name = "bareboxenv", | |
e505240b | 167 | .offset = MTDPART_OFS_NXTBLK, |
0a072a24 JCPV |
168 | .size = SZ_128K, |
169 | }, { | |
170 | .name = "bareboxenv2", | |
171 | .offset = MTDPART_OFS_NXTBLK, | |
172 | .size = SZ_128K, | |
d7850477 JCPV |
173 | }, { |
174 | .name = "oftree", | |
175 | .offset = MTDPART_OFS_NXTBLK, | |
176 | .size = SZ_128K, | |
0a072a24 JCPV |
177 | }, { |
178 | .name = "kernel", | |
179 | .offset = MTDPART_OFS_NXTBLK, | |
180 | .size = 4 * SZ_1M, | |
181 | }, { | |
182 | .name = "rootfs", | |
e505240b AV |
183 | .offset = MTDPART_OFS_NXTBLK, |
184 | .size = 120 * SZ_1M, | |
0a072a24 JCPV |
185 | }, { |
186 | .name = "data", | |
187 | .offset = MTDPART_OFS_NXTBLK, | |
188 | .size = MTDPART_SIZ_FULL, | |
ca0a789a AV |
189 | } |
190 | }; | |
191 | ||
7c896834 | 192 | static struct atmel_nand_data __initdata ek_nand_data = { |
ca0a789a AV |
193 | .ale = 21, |
194 | .cle = 22, | |
63b4c296 | 195 | .det_pin = -EINVAL, |
ca0a789a AV |
196 | .rdy_pin = AT91_PIN_PA22, |
197 | .enable_pin = AT91_PIN_PD15, | |
bf4289cb | 198 | .ecc_mode = NAND_ECC_SOFT, |
98619dcb | 199 | .on_flash_bbt = 1, |
1754aab9 DES |
200 | .parts = ek_nand_partition, |
201 | .num_parts = ARRAY_SIZE(ek_nand_partition), | |
ca0a789a AV |
202 | }; |
203 | ||
0a072a24 | 204 | static struct sam9_smc_config __initdata usb_a9260_nand_smc_config = { |
8cdae51a AV |
205 | .ncs_read_setup = 0, |
206 | .nrd_setup = 1, | |
207 | .ncs_write_setup = 0, | |
208 | .nwe_setup = 1, | |
209 | ||
210 | .ncs_read_pulse = 3, | |
211 | .nrd_pulse = 3, | |
212 | .ncs_write_pulse = 3, | |
213 | .nwe_pulse = 3, | |
214 | ||
215 | .read_cycle = 5, | |
216 | .write_cycle = 5, | |
217 | ||
218 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, | |
219 | .tdf_cycles = 2, | |
220 | }; | |
221 | ||
0a072a24 JCPV |
222 | static struct sam9_smc_config __initdata usb_a9g20_nand_smc_config = { |
223 | .ncs_read_setup = 0, | |
224 | .nrd_setup = 2, | |
225 | .ncs_write_setup = 0, | |
226 | .nwe_setup = 2, | |
227 | ||
228 | .ncs_read_pulse = 4, | |
229 | .nrd_pulse = 4, | |
230 | .ncs_write_pulse = 4, | |
231 | .nwe_pulse = 4, | |
232 | ||
233 | .read_cycle = 7, | |
234 | .write_cycle = 7, | |
235 | ||
236 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, | |
237 | .tdf_cycles = 3, | |
238 | }; | |
239 | ||
8cdae51a AV |
240 | static void __init ek_add_device_nand(void) |
241 | { | |
0a072a24 | 242 | if (machine_is_usb_a9260() || machine_is_usb_a9g20()) { |
6939fd49 NE |
243 | ek_nand_data.rdy_pin = AT91_PIN_PC13; |
244 | ek_nand_data.enable_pin = AT91_PIN_PC14; | |
245 | } | |
246 | ||
8cdae51a | 247 | /* configure chip-select 3 (NAND) */ |
0a072a24 | 248 | if (machine_is_usb_a9g20()) |
faee0cc3 | 249 | sam9_smc_configure(0, 3, &usb_a9g20_nand_smc_config); |
0a072a24 | 250 | else |
faee0cc3 | 251 | sam9_smc_configure(0, 3, &usb_a9260_nand_smc_config); |
8cdae51a AV |
252 | |
253 | at91_add_device_nand(&ek_nand_data); | |
254 | } | |
255 | ||
256 | ||
ca0a789a AV |
257 | /* |
258 | * GPIO Buttons | |
259 | */ | |
260 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
261 | static struct gpio_keys_button ek_buttons[] = { | |
262 | { /* USER PUSH BUTTON */ | |
263 | .code = KEY_ENTER, | |
264 | .gpio = AT91_PIN_PB10, | |
265 | .active_low = 1, | |
266 | .desc = "user_pb", | |
267 | .wakeup = 1, | |
268 | } | |
269 | }; | |
270 | ||
271 | static struct gpio_keys_platform_data ek_button_data = { | |
272 | .buttons = ek_buttons, | |
273 | .nbuttons = ARRAY_SIZE(ek_buttons), | |
274 | }; | |
275 | ||
276 | static struct platform_device ek_button_device = { | |
277 | .name = "gpio-keys", | |
278 | .id = -1, | |
279 | .num_resources = 0, | |
280 | .dev = { | |
281 | .platform_data = &ek_button_data, | |
282 | } | |
283 | }; | |
284 | ||
285 | static void __init ek_add_device_buttons(void) | |
286 | { | |
287 | at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */ | |
288 | at91_set_deglitch(AT91_PIN_PB10, 1); | |
289 | ||
290 | platform_device_register(&ek_button_device); | |
291 | } | |
292 | #else | |
293 | static void __init ek_add_device_buttons(void) {} | |
294 | #endif | |
295 | ||
296 | /* | |
297 | * LEDs | |
298 | */ | |
299 | static struct gpio_led ek_leds[] = { | |
300 | { /* user_led (green) */ | |
301 | .name = "user_led", | |
302 | .gpio = AT91_PIN_PB21, | |
303 | .active_low = 1, | |
304 | .default_trigger = "heartbeat", | |
305 | } | |
306 | }; | |
307 | ||
0a072a24 JCPV |
308 | static struct i2c_board_info __initdata ek_i2c_devices[] = { |
309 | { | |
310 | I2C_BOARD_INFO("rv3029c2", 0x56), | |
311 | }, | |
312 | }; | |
313 | ||
314 | static void __init ek_add_device_leds(void) | |
6939fd49 | 315 | { |
0a072a24 | 316 | if (machine_is_usb_a9260() || machine_is_usb_a9g20()) |
6939fd49 NE |
317 | ek_leds[0].active_low = 0; |
318 | ||
319 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | |
320 | } | |
321 | ||
ca0a789a AV |
322 | static void __init ek_board_init(void) |
323 | { | |
324 | /* Serial */ | |
71b149b3 JCPV |
325 | /* DBGU on ttyS0. (Rx & Tx only) */ |
326 | at91_register_uart(0, 0, 0); | |
ca0a789a AV |
327 | at91_add_device_serial(); |
328 | /* USB Host */ | |
329 | at91_add_device_usbh(&ek_usbh_data); | |
330 | /* USB Device */ | |
6939fd49 | 331 | ek_add_device_udc(); |
ca0a789a | 332 | /* SPI */ |
6939fd49 | 333 | ek_add_device_spi(); |
ca0a789a | 334 | /* Ethernet */ |
6939fd49 | 335 | ek_add_device_eth(); |
ca0a789a | 336 | /* NAND */ |
8cdae51a | 337 | ek_add_device_nand(); |
ca0a789a AV |
338 | /* Push Buttons */ |
339 | ek_add_device_buttons(); | |
340 | /* LEDs */ | |
6939fd49 | 341 | ek_add_device_leds(); |
0a072a24 JCPV |
342 | |
343 | if (machine_is_usb_a9g20()) { | |
344 | /* I2C */ | |
345 | at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); | |
346 | } else { | |
347 | /* I2C */ | |
348 | at91_add_device_i2c(NULL, 0); | |
349 | /* shutdown controller, wakeup button (5 msec low) */ | |
f22deee5 | 350 | at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) |
0a072a24 | 351 | | AT91_SHDW_WKMODE0_LOW |
ca0a789a | 352 | | AT91_SHDW_RTTWKEN); |
0a072a24 | 353 | } |
ca0a789a AV |
354 | } |
355 | ||
356 | MACHINE_START(USB_A9263, "CALAO USB_A9263") | |
357 | /* Maintainer: calao-systems */ | |
6bb27d73 | 358 | .init_time = at91sam926x_pit_init, |
21d08b9d | 359 | .map_io = at91_map_io, |
3e135466 | 360 | .handle_irq = at91_aic_handle_irq, |
1b021a3b | 361 | .init_early = ek_init_early, |
92100c12 | 362 | .init_irq = at91_init_irq_default, |
ca0a789a AV |
363 | .init_machine = ek_board_init, |
364 | MACHINE_END | |
6939fd49 NE |
365 | |
366 | MACHINE_START(USB_A9260, "CALAO USB_A9260") | |
367 | /* Maintainer: calao-systems */ | |
6bb27d73 | 368 | .init_time = at91sam926x_pit_init, |
6939fd49 | 369 | .map_io = at91_map_io, |
3e135466 | 370 | .handle_irq = at91_aic_handle_irq, |
6939fd49 NE |
371 | .init_early = ek_init_early, |
372 | .init_irq = at91_init_irq_default, | |
373 | .init_machine = ek_board_init, | |
374 | MACHINE_END | |
0a072a24 JCPV |
375 | |
376 | MACHINE_START(USB_A9G20, "CALAO USB_A92G0") | |
377 | /* Maintainer: Jean-Christophe PLAGNIOL-VILLARD */ | |
6bb27d73 | 378 | .init_time = at91sam926x_pit_init, |
0a072a24 | 379 | .map_io = at91_map_io, |
3e135466 | 380 | .handle_irq = at91_aic_handle_irq, |
0a072a24 JCPV |
381 | .init_early = ek_init_early, |
382 | .init_irq = at91_init_irq_default, | |
383 | .init_machine = ek_board_init, | |
384 | MACHINE_END |