1 /*
2 * Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 */
14
15 #include <linux/delay.h>
16 #include <linux/dma-mapping.h>
17 #include <linux/gfp.h>
18 #include <linux/gpio.h>
19 #include <linux/init.h>
20 #include <linux/interrupt.h>
21 #include <linux/moduleparam.h>
22 #include <linux/leds.h>
23 #include <linux/memory.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/mtd/partitions.h>
26 #include <linux/platform_device.h>
27 #include <linux/regulator/machine.h>
28 #include <linux/mfd/mc13783.h>
29 #include <linux/spi/spi.h>
30 #include <linux/types.h>
31 #include <linux/memblock.h>
32 #include <linux/clk.h>
33 #include <linux/io.h>
34 #include <linux/err.h>
35 #include <linux/input.h>
36
37 #include <linux/usb/otg.h>
38 #include <linux/usb/ulpi.h>
39
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/time.h>
43 #include <asm/mach/map.h>
44 #include <asm/memblock.h>
45 #include <linux/platform_data/asoc-imx-ssi.h>
46
47 #include "board-mx31moboard.h"
48 #include "common.h"
49 #include "devices-imx31.h"
50 #include "ehci.h"
51 #include "hardware.h"
52 #include "iomux-mx3.h"
53 #include "ulpi.h"
54
55 static unsigned int moboard_pins[] = {
56 /* UART0 */
57 MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
58 MX31_PIN_CTS1__GPIO2_7,
59 /* UART4 */
60 MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
61 MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
62 /* I2C0 */
63 MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
64 /* I2C1 */
65 MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
66 /* SDHC1 */
67 MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
68 MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
69 MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
70 MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
71 /* USB reset */
72 MX31_PIN_GPIO1_0__GPIO1_0,
73 /* USB OTG */
74 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
75 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
76 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
77 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
78 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
79 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
80 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
81 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
82 MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
83 MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
84 MX31_PIN_USB_OC__GPIO1_30,
85 /* USB H2 */
86 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
87 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
88 MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
89 MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
90 MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
91 MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
92 MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
93 MX31_PIN_SCK6__GPIO1_25,
94 /* LEDs */
95 MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
96 MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
97 /* SPI1 */
98 MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
99 MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
100 MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
101 /* Atlas IRQ */
102 MX31_PIN_GPIO1_3__GPIO1_3,
103 /* SPI2 */
104 MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
105 MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
106 MX31_PIN_CSPI2_SS1__CSPI3_SS1,
107 /* SSI */
108 MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4,
109 MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4,
110 };
111
112 static struct physmap_flash_data mx31moboard_flash_data = {
113 .width = 2,
114 };
115
116 static struct resource mx31moboard_flash_resource = {
117 .start = 0xa0000000,
118 .end = 0xa1ffffff,
119 .flags = IORESOURCE_MEM,
120 };
121
122 static struct platform_device mx31moboard_flash = {
123 .name = "physmap-flash",
124 .id = 0,
125 .dev = {
126 .platform_data = &mx31moboard_flash_data,
127 },
128 .resource = &mx31moboard_flash_resource,
129 .num_resources = 1,
130 };
131
moboard_uart0_init(void)132 static void __init moboard_uart0_init(void)
133 {
134 if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack")) {
135 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
136 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
137 }
138 }
139
140 static const struct imxuart_platform_data uart0_pdata __initconst = {
141 };
142
143 static const struct imxuart_platform_data uart4_pdata __initconst = {
144 .flags = IMXUART_HAVE_RTSCTS,
145 };
146
147 static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
148 .bitrate = 400000,
149 };
150
151 static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
152 .bitrate = 100000,
153 };
154
155 static int moboard_spi1_cs[] = {
156 MXC_SPI_CS(0),
157 MXC_SPI_CS(2),
158 };
159
160 static const struct spi_imx_master moboard_spi1_pdata __initconst = {
161 .chipselect = moboard_spi1_cs,
162 .num_chipselect = ARRAY_SIZE(moboard_spi1_cs),
163 };
164
165 static struct regulator_consumer_supply sdhc_consumers[] = {
166 {
167 .dev_name = "imx31-mmc.0",
168 .supply = "sdhc0_vcc",
169 },
170 {
171 .dev_name = "imx31-mmc.1",
172 .supply = "sdhc1_vcc",
173 },
174 };
175
176 static struct regulator_init_data sdhc_vreg_data = {
177 .constraints = {
178 .min_uV = 2700000,
179 .max_uV = 3000000,
180 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
181 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
182 .valid_modes_mask = REGULATOR_MODE_NORMAL |
183 REGULATOR_MODE_FAST,
184 .always_on = 0,
185 .boot_on = 1,
186 },
187 .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
188 .consumer_supplies = sdhc_consumers,
189 };
190
191 static struct regulator_consumer_supply cam_consumers[] = {
192 {
193 .dev_name = "mx3_camera.0",
194 .supply = "cam_vcc",
195 },
196 };
197
198 static struct regulator_init_data cam_vreg_data = {
199 .constraints = {
200 .min_uV = 2700000,
201 .max_uV = 3000000,
202 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
203 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
204 .valid_modes_mask = REGULATOR_MODE_NORMAL |
205 REGULATOR_MODE_FAST,
206 .always_on = 0,
207 .boot_on = 1,
208 },
209 .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
210 .consumer_supplies = cam_consumers,
211 };
212
213 static struct mc13xxx_regulator_init_data moboard_regulators[] = {
214 {
215 .id = MC13783_REG_VMMC1,
216 .init_data = &sdhc_vreg_data,
217 },
218 {
219 .id = MC13783_REG_VCAM,
220 .init_data = &cam_vreg_data,
221 },
222 };
223
224 static struct mc13xxx_led_platform_data moboard_led[] = {
225 {
226 .id = MC13783_LED_R1,
227 .name = "coreboard-led-4:red",
228 },
229 {
230 .id = MC13783_LED_G1,
231 .name = "coreboard-led-4:green",
232 },
233 {
234 .id = MC13783_LED_B1,
235 .name = "coreboard-led-4:blue",
236 },
237 {
238 .id = MC13783_LED_R2,
239 .name = "coreboard-led-5:red",
240 },
241 {
242 .id = MC13783_LED_G2,
243 .name = "coreboard-led-5:green",
244 },
245 {
246 .id = MC13783_LED_B2,
247 .name = "coreboard-led-5:blue",
248 },
249 };
250
251 static struct mc13xxx_leds_platform_data moboard_leds = {
252 .num_leds = ARRAY_SIZE(moboard_led),
253 .led = moboard_led,
254 .led_control[0] = MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0),
255 .led_control[1] = MC13783_LED_C1_SLEWLIM,
256 .led_control[2] = MC13783_LED_C2_SLEWLIM,
257 .led_control[3] = MC13783_LED_C3_PERIOD(0) |
258 MC13783_LED_C3_CURRENT_R1(2) |
259 MC13783_LED_C3_CURRENT_G1(2) |
260 MC13783_LED_C3_CURRENT_B1(2),
261 .led_control[4] = MC13783_LED_C4_PERIOD(0) |
262 MC13783_LED_C4_CURRENT_R2(3) |
263 MC13783_LED_C4_CURRENT_G2(3) |
264 MC13783_LED_C4_CURRENT_B2(3),
265 };
266
267 static struct mc13xxx_buttons_platform_data moboard_buttons = {
268 .b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE |
269 MC13783_BUTTON_POL_INVERT,
270 .b1on_key = KEY_POWER,
271 };
272
273 static struct mc13xxx_codec_platform_data moboard_codec = {
274 .dac_ssi_port = MC13783_SSI1_PORT,
275 .adc_ssi_port = MC13783_SSI1_PORT,
276 };
277
278 static struct mc13xxx_platform_data moboard_pmic = {
279 .regulators = {
280 .regulators = moboard_regulators,
281 .num_regulators = ARRAY_SIZE(moboard_regulators),
282 },
283 .leds = &moboard_leds,
284 .buttons = &moboard_buttons,
285 .codec = &moboard_codec,
286 .flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC | MC13XXX_USE_CODEC,
287 };
288
289 static struct imx_ssi_platform_data moboard_ssi_pdata = {
290 .flags = IMX_SSI_DMA | IMX_SSI_NET,
291 };
292
293 static struct spi_board_info moboard_spi_board_info[] __initdata = {
294 {
295 .modalias = "mc13783",
296 /* irq number is run-time assigned */
297 .max_speed_hz = 300000,
298 .bus_num = 1,
299 .chip_select = 1,
300 .platform_data = &moboard_pmic,
301 .mode = SPI_CS_HIGH,
302 },
303 };
304
305 static int moboard_spi2_cs[] = {
306 MXC_SPI_CS(0), MXC_SPI_CS(1),
307 };
308
309 static const struct spi_imx_master moboard_spi2_pdata __initconst = {
310 .chipselect = moboard_spi2_cs,
311 .num_chipselect = ARRAY_SIZE(moboard_spi2_cs),
312 };
313
314 #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
315 #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
316
moboard_sdhc1_get_ro(struct device * dev)317 static int moboard_sdhc1_get_ro(struct device *dev)
318 {
319 return !gpio_get_value(SDHC1_WP);
320 }
321
moboard_sdhc1_init(struct device * dev,irq_handler_t detect_irq,void * data)322 static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
323 void *data)
324 {
325 int ret;
326
327 ret = gpio_request(SDHC1_CD, "sdhc-detect");
328 if (ret)
329 return ret;
330
331 gpio_direction_input(SDHC1_CD);
332
333 ret = gpio_request(SDHC1_WP, "sdhc-wp");
334 if (ret)
335 goto err_gpio_free;
336 gpio_direction_input(SDHC1_WP);
337
338 ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
339 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
340 "sdhc1-card-detect", data);
341 if (ret)
342 goto err_gpio_free_2;
343
344 return 0;
345
346 err_gpio_free_2:
347 gpio_free(SDHC1_WP);
348 err_gpio_free:
349 gpio_free(SDHC1_CD);
350
351 return ret;
352 }
353
moboard_sdhc1_exit(struct device * dev,void * data)354 static void moboard_sdhc1_exit(struct device *dev, void *data)
355 {
356 free_irq(gpio_to_irq(SDHC1_CD), data);
357 gpio_free(SDHC1_WP);
358 gpio_free(SDHC1_CD);
359 }
360
361 static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
362 .get_ro = moboard_sdhc1_get_ro,
363 .init = moboard_sdhc1_init,
364 .exit = moboard_sdhc1_exit,
365 };
366
367 /*
368 * this pin is dedicated for all mx31moboard systems, so we do it here
369 */
370 #define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
371 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
372 PAD_CTL_ODE_CMOS)
373
374 #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
375 #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
376
usb_xcvr_reset(void)377 static void usb_xcvr_reset(void)
378 {
379 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
380 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
381 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
382 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
383 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
384 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
385 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
386 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
387 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
388 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
389 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
390 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
391
392 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
393 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
394 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
395 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
396 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
397 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
398 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
399 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
400 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
401 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
402 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
403 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
404 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
405
406 gpio_request(OTG_EN_B, "usb-udc-en");
407 gpio_direction_output(OTG_EN_B, 0);
408 gpio_request(USBH2_EN_B, "usbh2-en");
409 gpio_direction_output(USBH2_EN_B, 0);
410
411 gpio_request(USB_RESET_B, "usb-reset");
412 gpio_direction_output(USB_RESET_B, 0);
413 mdelay(1);
414 gpio_set_value(USB_RESET_B, 1);
415 mdelay(1);
416 }
417
moboard_usbh2_init_hw(struct platform_device * pdev)418 static int moboard_usbh2_init_hw(struct platform_device *pdev)
419 {
420 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
421 }
422
423 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
424 .init = moboard_usbh2_init_hw,
425 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
426 };
427
moboard_usbh2_init(void)428 static int __init moboard_usbh2_init(void)
429 {
430 struct platform_device *pdev;
431
432 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
433 ULPI_OTG_DRVVBUS_EXT);
434 if (!usbh2_pdata.otg)
435 return -ENODEV;
436
437 pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
438
439 return PTR_ERR_OR_ZERO(pdev);
440 }
441
442 static const struct gpio_led mx31moboard_leds[] __initconst = {
443 {
444 .name = "coreboard-led-0:red:running",
445 .default_trigger = "heartbeat",
446 .gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
447 }, {
448 .name = "coreboard-led-1:red",
449 .gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
450 }, {
451 .name = "coreboard-led-2:red",
452 .gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
453 }, {
454 .name = "coreboard-led-3:red",
455 .gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
456 },
457 };
458
459 static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
460 .num_leds = ARRAY_SIZE(mx31moboard_leds),
461 .leds = mx31moboard_leds,
462 };
463
464 static struct platform_device *devices[] __initdata = {
465 &mx31moboard_flash,
466 };
467
468 static struct mx3_camera_pdata camera_pdata __initdata = {
469 .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
470 .mclk_10khz = 4800,
471 };
472
473 static phys_addr_t mx3_camera_base __initdata;
474 #define MX3_CAMERA_BUF_SIZE SZ_4M
475
mx31moboard_init_cam(void)476 static int __init mx31moboard_init_cam(void)
477 {
478 int ret;
479 struct platform_device *pdev;
480
481 imx31_add_ipu_core();
482
483 pdev = imx31_alloc_mx3_camera(&camera_pdata);
484 if (IS_ERR(pdev))
485 return PTR_ERR(pdev);
486
487 ret = dma_declare_coherent_memory(&pdev->dev,
488 mx3_camera_base, mx3_camera_base,
489 MX3_CAMERA_BUF_SIZE,
490 DMA_MEMORY_EXCLUSIVE);
491 if (ret)
492 goto err;
493
494 ret = platform_device_add(pdev);
495 if (ret)
496 err:
497 platform_device_put(pdev);
498
499 return ret;
500
501 }
502
mx31moboard_poweroff(void)503 static void mx31moboard_poweroff(void)
504 {
505 struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
506
507 if (!IS_ERR(clk))
508 clk_prepare_enable(clk);
509
510 mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
511
512 imx_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
513 }
514
515 static int mx31moboard_baseboard;
516 core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
517
518 /*
519 * Board specific initialization.
520 */
mx31moboard_init(void)521 static void __init mx31moboard_init(void)
522 {
523 imx31_soc_init();
524
525 mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
526 "moboard");
527
528 platform_add_devices(devices, ARRAY_SIZE(devices));
529
530 imx31_add_imx2_wdt();
531
532 imx31_add_imx_uart0(&uart0_pdata);
533 imx31_add_imx_uart4(&uart4_pdata);
534
535 imx31_add_imx_i2c0(&moboard_i2c0_data);
536 imx31_add_imx_i2c1(&moboard_i2c1_data);
537
538 imx31_add_spi_imx1(&moboard_spi1_pdata);
539 imx31_add_spi_imx2(&moboard_spi2_pdata);
540
541 mx31moboard_init_cam();
542
543 imx31_add_imx_ssi(0, &moboard_ssi_pdata);
544
545 pm_power_off = mx31moboard_poweroff;
546 }
547
mx31moboard_late(void)548 static void __init mx31moboard_late(void)
549 {
550 gpio_led_register_device(-1, &mx31moboard_led_pdata);
551
552 moboard_uart0_init();
553
554 gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
555 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
556 moboard_spi_board_info[0].irq =
557 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
558 spi_register_board_info(moboard_spi_board_info,
559 ARRAY_SIZE(moboard_spi_board_info));
560
561 imx31_add_mxc_mmc(0, &sdhc1_pdata);
562
563 usb_xcvr_reset();
564 moboard_usbh2_init();
565
566 imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
567
568 switch (mx31moboard_baseboard) {
569 case MX31NOBOARD:
570 break;
571 case MX31DEVBOARD:
572 mx31moboard_devboard_init();
573 break;
574 case MX31MARXBOT:
575 mx31moboard_marxbot_init();
576 break;
577 case MX31SMARTBOT:
578 case MX31EYEBOT:
579 mx31moboard_smartbot_init(mx31moboard_baseboard);
580 break;
581 default:
582 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
583 mx31moboard_baseboard);
584 }
585 }
586
mx31moboard_timer_init(void)587 static void __init mx31moboard_timer_init(void)
588 {
589 mx31_clocks_init(26000000);
590 }
591
mx31moboard_reserve(void)592 static void __init mx31moboard_reserve(void)
593 {
594 /* reserve 4 MiB for mx3-camera */
595 mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
596 MX3_CAMERA_BUF_SIZE);
597 }
598
599 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
600 /* Maintainer: Philippe Retornaz, EPFL Mobots group */
601 .atag_offset = 0x100,
602 .reserve = mx31moboard_reserve,
603 .map_io = mx31_map_io,
604 .init_early = imx31_init_early,
605 .init_irq = mx31_init_irq,
606 .init_time = mx31moboard_timer_init,
607 .init_machine = mx31moboard_init,
608 .init_late = mx31moboard_late,
609 .restart = mxc_restart,
610 MACHINE_END
611