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 "hardware.h"
51 #include "iomux-mx3.h"
52 #include "ulpi.h"
53
54 static unsigned int moboard_pins[] = {
55 /* UART0 */
56 MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
57 MX31_PIN_CTS1__GPIO2_7,
58 /* UART4 */
59 MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
60 MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
61 /* I2C0 */
62 MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
63 /* I2C1 */
64 MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
65 /* SDHC1 */
66 MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
67 MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
68 MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
69 MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
70 /* USB reset */
71 MX31_PIN_GPIO1_0__GPIO1_0,
72 /* USB OTG */
73 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
74 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
75 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
76 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
77 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
78 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
79 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
80 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
81 MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
82 MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
83 MX31_PIN_USB_OC__GPIO1_30,
84 /* USB H2 */
85 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
86 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
87 MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
88 MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
89 MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
90 MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
91 MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
92 MX31_PIN_SCK6__GPIO1_25,
93 /* LEDs */
94 MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
95 MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
96 /* SPI1 */
97 MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
98 MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
99 MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
100 /* Atlas IRQ */
101 MX31_PIN_GPIO1_3__GPIO1_3,
102 /* SPI2 */
103 MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
104 MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
105 MX31_PIN_CSPI2_SS1__CSPI3_SS1,
106 /* SSI */
107 MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4,
108 MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4,
109 };
110
111 static struct physmap_flash_data mx31moboard_flash_data = {
112 .width = 2,
113 };
114
115 static struct resource mx31moboard_flash_resource = {
116 .start = 0xa0000000,
117 .end = 0xa1ffffff,
118 .flags = IORESOURCE_MEM,
119 };
120
121 static struct platform_device mx31moboard_flash = {
122 .name = "physmap-flash",
123 .id = 0,
124 .dev = {
125 .platform_data = &mx31moboard_flash_data,
126 },
127 .resource = &mx31moboard_flash_resource,
128 .num_resources = 1,
129 };
130
moboard_uart0_init(struct platform_device * pdev)131 static int moboard_uart0_init(struct platform_device *pdev)
132 {
133 int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack");
134 if (ret)
135 return ret;
136
137 ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
138 if (ret)
139 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
140
141 return ret;
142 }
143
moboard_uart0_exit(struct platform_device * pdev)144 static void moboard_uart0_exit(struct platform_device *pdev)
145 {
146 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
147 }
148
149 static const struct imxuart_platform_data uart0_pdata __initconst = {
150 .init = moboard_uart0_init,
151 .exit = moboard_uart0_exit,
152 };
153
154 static const struct imxuart_platform_data uart4_pdata __initconst = {
155 .flags = IMXUART_HAVE_RTSCTS,
156 };
157
158 static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
159 .bitrate = 400000,
160 };
161
162 static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
163 .bitrate = 100000,
164 };
165
166 static int moboard_spi1_cs[] = {
167 MXC_SPI_CS(0),
168 MXC_SPI_CS(2),
169 };
170
171 static const struct spi_imx_master moboard_spi1_pdata __initconst = {
172 .chipselect = moboard_spi1_cs,
173 .num_chipselect = ARRAY_SIZE(moboard_spi1_cs),
174 };
175
176 static struct regulator_consumer_supply sdhc_consumers[] = {
177 {
178 .dev_name = "imx31-mmc.0",
179 .supply = "sdhc0_vcc",
180 },
181 {
182 .dev_name = "imx31-mmc.1",
183 .supply = "sdhc1_vcc",
184 },
185 };
186
187 static struct regulator_init_data sdhc_vreg_data = {
188 .constraints = {
189 .min_uV = 2700000,
190 .max_uV = 3000000,
191 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
192 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
193 .valid_modes_mask = REGULATOR_MODE_NORMAL |
194 REGULATOR_MODE_FAST,
195 .always_on = 0,
196 .boot_on = 1,
197 },
198 .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
199 .consumer_supplies = sdhc_consumers,
200 };
201
202 static struct regulator_consumer_supply cam_consumers[] = {
203 {
204 .dev_name = "mx3_camera.0",
205 .supply = "cam_vcc",
206 },
207 };
208
209 static struct regulator_init_data cam_vreg_data = {
210 .constraints = {
211 .min_uV = 2700000,
212 .max_uV = 3000000,
213 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
214 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
215 .valid_modes_mask = REGULATOR_MODE_NORMAL |
216 REGULATOR_MODE_FAST,
217 .always_on = 0,
218 .boot_on = 1,
219 },
220 .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
221 .consumer_supplies = cam_consumers,
222 };
223
224 static struct mc13xxx_regulator_init_data moboard_regulators[] = {
225 {
226 .id = MC13783_REG_VMMC1,
227 .init_data = &sdhc_vreg_data,
228 },
229 {
230 .id = MC13783_REG_VCAM,
231 .init_data = &cam_vreg_data,
232 },
233 };
234
235 static struct mc13xxx_led_platform_data moboard_led[] = {
236 {
237 .id = MC13783_LED_R1,
238 .name = "coreboard-led-4:red",
239 .max_current = 2,
240 },
241 {
242 .id = MC13783_LED_G1,
243 .name = "coreboard-led-4:green",
244 .max_current = 2,
245 },
246 {
247 .id = MC13783_LED_B1,
248 .name = "coreboard-led-4:blue",
249 .max_current = 2,
250 },
251 {
252 .id = MC13783_LED_R2,
253 .name = "coreboard-led-5:red",
254 .max_current = 3,
255 },
256 {
257 .id = MC13783_LED_G2,
258 .name = "coreboard-led-5:green",
259 .max_current = 3,
260 },
261 {
262 .id = MC13783_LED_B2,
263 .name = "coreboard-led-5:blue",
264 .max_current = 3,
265 },
266 };
267
268 static struct mc13xxx_leds_platform_data moboard_leds = {
269 .num_leds = ARRAY_SIZE(moboard_led),
270 .led = moboard_led,
271 .flags = MC13783_LED_SLEWLIMTC,
272 .abmode = MC13783_LED_AB_DISABLED,
273 .tc1_period = MC13783_LED_PERIOD_10MS,
274 .tc2_period = MC13783_LED_PERIOD_10MS,
275 };
276
277 static struct mc13xxx_buttons_platform_data moboard_buttons = {
278 .b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE |
279 MC13783_BUTTON_POL_INVERT,
280 .b1on_key = KEY_POWER,
281 };
282
283 static struct mc13xxx_codec_platform_data moboard_codec = {
284 .dac_ssi_port = MC13783_SSI1_PORT,
285 .adc_ssi_port = MC13783_SSI1_PORT,
286 };
287
288 static struct mc13xxx_platform_data moboard_pmic = {
289 .regulators = {
290 .regulators = moboard_regulators,
291 .num_regulators = ARRAY_SIZE(moboard_regulators),
292 },
293 .leds = &moboard_leds,
294 .buttons = &moboard_buttons,
295 .codec = &moboard_codec,
296 .flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC | MC13XXX_USE_CODEC,
297 };
298
299 static struct imx_ssi_platform_data moboard_ssi_pdata = {
300 .flags = IMX_SSI_DMA | IMX_SSI_NET,
301 };
302
303 static struct spi_board_info moboard_spi_board_info[] __initdata = {
304 {
305 .modalias = "mc13783",
306 /* irq number is run-time assigned */
307 .max_speed_hz = 300000,
308 .bus_num = 1,
309 .chip_select = 0,
310 .platform_data = &moboard_pmic,
311 .mode = SPI_CS_HIGH,
312 },
313 };
314
315 static int moboard_spi2_cs[] = {
316 MXC_SPI_CS(1),
317 };
318
319 static const struct spi_imx_master moboard_spi2_pdata __initconst = {
320 .chipselect = moboard_spi2_cs,
321 .num_chipselect = ARRAY_SIZE(moboard_spi2_cs),
322 };
323
324 #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
325 #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
326
moboard_sdhc1_get_ro(struct device * dev)327 static int moboard_sdhc1_get_ro(struct device *dev)
328 {
329 return !gpio_get_value(SDHC1_WP);
330 }
331
moboard_sdhc1_init(struct device * dev,irq_handler_t detect_irq,void * data)332 static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
333 void *data)
334 {
335 int ret;
336
337 ret = gpio_request(SDHC1_CD, "sdhc-detect");
338 if (ret)
339 return ret;
340
341 gpio_direction_input(SDHC1_CD);
342
343 ret = gpio_request(SDHC1_WP, "sdhc-wp");
344 if (ret)
345 goto err_gpio_free;
346 gpio_direction_input(SDHC1_WP);
347
348 ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
349 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
350 "sdhc1-card-detect", data);
351 if (ret)
352 goto err_gpio_free_2;
353
354 return 0;
355
356 err_gpio_free_2:
357 gpio_free(SDHC1_WP);
358 err_gpio_free:
359 gpio_free(SDHC1_CD);
360
361 return ret;
362 }
363
moboard_sdhc1_exit(struct device * dev,void * data)364 static void moboard_sdhc1_exit(struct device *dev, void *data)
365 {
366 free_irq(gpio_to_irq(SDHC1_CD), data);
367 gpio_free(SDHC1_WP);
368 gpio_free(SDHC1_CD);
369 }
370
371 static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
372 .get_ro = moboard_sdhc1_get_ro,
373 .init = moboard_sdhc1_init,
374 .exit = moboard_sdhc1_exit,
375 };
376
377 /*
378 * this pin is dedicated for all mx31moboard systems, so we do it here
379 */
380 #define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
381 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
382 PAD_CTL_ODE_CMOS)
383
384 #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
385 #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
386
usb_xcvr_reset(void)387 static void usb_xcvr_reset(void)
388 {
389 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
390 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
391 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
392 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
393 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
394 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
395 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
396 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
397 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
398 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
399 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
400 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
401
402 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
403 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
404 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
405 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
406 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
407 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
408 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
409 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
410 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
411 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
412 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
413 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
414 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
415
416 gpio_request(OTG_EN_B, "usb-udc-en");
417 gpio_direction_output(OTG_EN_B, 0);
418 gpio_request(USBH2_EN_B, "usbh2-en");
419 gpio_direction_output(USBH2_EN_B, 0);
420
421 gpio_request(USB_RESET_B, "usb-reset");
422 gpio_direction_output(USB_RESET_B, 0);
423 mdelay(1);
424 gpio_set_value(USB_RESET_B, 1);
425 mdelay(1);
426 }
427
moboard_usbh2_init_hw(struct platform_device * pdev)428 static int moboard_usbh2_init_hw(struct platform_device *pdev)
429 {
430 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
431 }
432
433 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
434 .init = moboard_usbh2_init_hw,
435 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
436 };
437
moboard_usbh2_init(void)438 static int __init moboard_usbh2_init(void)
439 {
440 struct platform_device *pdev;
441
442 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
443 ULPI_OTG_DRVVBUS_EXT);
444 if (!usbh2_pdata.otg)
445 return -ENODEV;
446
447 pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
448 if (IS_ERR(pdev))
449 return PTR_ERR(pdev);
450
451 return 0;
452 }
453
454 static const struct gpio_led mx31moboard_leds[] __initconst = {
455 {
456 .name = "coreboard-led-0:red:running",
457 .default_trigger = "heartbeat",
458 .gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
459 }, {
460 .name = "coreboard-led-1:red",
461 .gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
462 }, {
463 .name = "coreboard-led-2:red",
464 .gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
465 }, {
466 .name = "coreboard-led-3:red",
467 .gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
468 },
469 };
470
471 static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
472 .num_leds = ARRAY_SIZE(mx31moboard_leds),
473 .leds = mx31moboard_leds,
474 };
475
476 static struct platform_device *devices[] __initdata = {
477 &mx31moboard_flash,
478 };
479
480 static struct mx3_camera_pdata camera_pdata __initdata = {
481 .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
482 .mclk_10khz = 4800,
483 };
484
485 static phys_addr_t mx3_camera_base __initdata;
486 #define MX3_CAMERA_BUF_SIZE SZ_4M
487
mx31moboard_init_cam(void)488 static int __init mx31moboard_init_cam(void)
489 {
490 int dma, ret = -ENOMEM;
491 struct platform_device *pdev;
492
493 imx31_add_ipu_core();
494
495 pdev = imx31_alloc_mx3_camera(&camera_pdata);
496 if (IS_ERR(pdev))
497 return PTR_ERR(pdev);
498
499 dma = dma_declare_coherent_memory(&pdev->dev,
500 mx3_camera_base, mx3_camera_base,
501 MX3_CAMERA_BUF_SIZE,
502 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
503 if (!(dma & DMA_MEMORY_MAP))
504 goto err;
505
506 ret = platform_device_add(pdev);
507 if (ret)
508 err:
509 platform_device_put(pdev);
510
511 return ret;
512
513 }
514
mx31moboard_poweroff(void)515 static void mx31moboard_poweroff(void)
516 {
517 struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
518
519 if (!IS_ERR(clk))
520 clk_prepare_enable(clk);
521
522 mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
523
524 __raw_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
525 }
526
527 static int mx31moboard_baseboard;
528 core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
529
530 /*
531 * Board specific initialization.
532 */
mx31moboard_init(void)533 static void __init mx31moboard_init(void)
534 {
535 imx31_soc_init();
536
537 mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
538 "moboard");
539
540 platform_add_devices(devices, ARRAY_SIZE(devices));
541 gpio_led_register_device(-1, &mx31moboard_led_pdata);
542
543 imx31_add_imx2_wdt();
544
545 imx31_add_imx_uart0(&uart0_pdata);
546 imx31_add_imx_uart4(&uart4_pdata);
547
548 imx31_add_imx_i2c0(&moboard_i2c0_data);
549 imx31_add_imx_i2c1(&moboard_i2c1_data);
550
551 imx31_add_spi_imx1(&moboard_spi1_pdata);
552 imx31_add_spi_imx2(&moboard_spi2_pdata);
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 mx31moboard_init_cam();
564
565 usb_xcvr_reset();
566
567 moboard_usbh2_init();
568
569 imx31_add_imx_ssi(0, &moboard_ssi_pdata);
570
571 imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
572
573 pm_power_off = mx31moboard_poweroff;
574
575 switch (mx31moboard_baseboard) {
576 case MX31NOBOARD:
577 break;
578 case MX31DEVBOARD:
579 mx31moboard_devboard_init();
580 break;
581 case MX31MARXBOT:
582 mx31moboard_marxbot_init();
583 break;
584 case MX31SMARTBOT:
585 case MX31EYEBOT:
586 mx31moboard_smartbot_init(mx31moboard_baseboard);
587 break;
588 default:
589 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
590 mx31moboard_baseboard);
591 }
592 }
593
mx31moboard_timer_init(void)594 static void __init mx31moboard_timer_init(void)
595 {
596 mx31_clocks_init(26000000);
597 }
598
mx31moboard_reserve(void)599 static void __init mx31moboard_reserve(void)
600 {
601 /* reserve 4 MiB for mx3-camera */
602 mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
603 MX3_CAMERA_BUF_SIZE);
604 }
605
606 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
607 /* Maintainer: Philippe Retornaz, EPFL Mobots group */
608 .atag_offset = 0x100,
609 .reserve = mx31moboard_reserve,
610 .map_io = mx31_map_io,
611 .init_early = imx31_init_early,
612 .init_irq = mx31_init_irq,
613 .handle_irq = imx31_handle_irq,
614 .init_time = mx31moboard_timer_init,
615 .init_machine = mx31moboard_init,
616 .restart = mxc_restart,
617 MACHINE_END
618