1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
4 */
5
6 #include <linux/delay.h>
7 #include <linux/dma-mapping.h>
8 #include <linux/gfp.h>
9 #include <linux/gpio.h>
10 #include <linux/init.h>
11 #include <linux/interrupt.h>
12 #include <linux/moduleparam.h>
13 #include <linux/leds.h>
14 #include <linux/memory.h>
15 #include <linux/mtd/physmap.h>
16 #include <linux/mtd/partitions.h>
17 #include <linux/platform_device.h>
18 #include <linux/regulator/machine.h>
19 #include <linux/mfd/mc13783.h>
20 #include <linux/spi/spi.h>
21 #include <linux/types.h>
22 #include <linux/memblock.h>
23 #include <linux/clk.h>
24 #include <linux/io.h>
25 #include <linux/err.h>
26 #include <linux/input.h>
27
28 #include <linux/usb/otg.h>
29 #include <linux/usb/ulpi.h>
30
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/time.h>
34 #include <asm/mach/map.h>
35 #include <asm/memblock.h>
36 #include <linux/platform_data/asoc-imx-ssi.h>
37
38 #include "board-mx31moboard.h"
39 #include "common.h"
40 #include "devices-imx31.h"
41 #include "ehci.h"
42 #include "hardware.h"
43 #include "iomux-mx3.h"
44 #include "ulpi.h"
45
46 static unsigned int moboard_pins[] = {
47 /* UART0 */
48 MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
49 MX31_PIN_CTS1__GPIO2_7,
50 /* UART4 */
51 MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
52 MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
53 /* I2C0 */
54 MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
55 /* I2C1 */
56 MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
57 /* SDHC1 */
58 MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
59 MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
60 MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
61 MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
62 /* USB reset */
63 MX31_PIN_GPIO1_0__GPIO1_0,
64 /* USB OTG */
65 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
66 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
67 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
68 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
69 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
70 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
71 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
72 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
73 MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
74 MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
75 MX31_PIN_USB_OC__GPIO1_30,
76 /* USB H2 */
77 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
78 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
79 MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
80 MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
81 MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
82 MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
83 MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
84 MX31_PIN_SCK6__GPIO1_25,
85 /* LEDs */
86 MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
87 MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
88 /* SPI1 */
89 MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
90 MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
91 MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
92 /* Atlas IRQ */
93 MX31_PIN_GPIO1_3__GPIO1_3,
94 /* SPI2 */
95 MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
96 MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
97 MX31_PIN_CSPI2_SS1__CSPI3_SS1,
98 /* SSI */
99 MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4,
100 MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4,
101 };
102
103 static struct physmap_flash_data mx31moboard_flash_data = {
104 .width = 2,
105 };
106
107 static struct resource mx31moboard_flash_resource = {
108 .start = 0xa0000000,
109 .end = 0xa1ffffff,
110 .flags = IORESOURCE_MEM,
111 };
112
113 static struct platform_device mx31moboard_flash = {
114 .name = "physmap-flash",
115 .id = 0,
116 .dev = {
117 .platform_data = &mx31moboard_flash_data,
118 },
119 .resource = &mx31moboard_flash_resource,
120 .num_resources = 1,
121 };
122
moboard_uart0_init(void)123 static void __init moboard_uart0_init(void)
124 {
125 if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack")) {
126 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
127 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
128 }
129 }
130
131 static const struct imxuart_platform_data uart0_pdata __initconst = {
132 };
133
134 static const struct imxuart_platform_data uart4_pdata __initconst = {
135 .flags = IMXUART_HAVE_RTSCTS,
136 };
137
138 static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
139 .bitrate = 400000,
140 };
141
142 static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
143 .bitrate = 100000,
144 };
145
146 static const struct spi_imx_master moboard_spi1_pdata __initconst = {
147 .num_chipselect = 3,
148 };
149
150 static struct regulator_consumer_supply sdhc_consumers[] = {
151 {
152 .dev_name = "imx31-mmc.0",
153 .supply = "sdhc0_vcc",
154 },
155 {
156 .dev_name = "imx31-mmc.1",
157 .supply = "sdhc1_vcc",
158 },
159 };
160
161 static struct regulator_init_data sdhc_vreg_data = {
162 .constraints = {
163 .min_uV = 2700000,
164 .max_uV = 3000000,
165 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
166 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
167 .valid_modes_mask = REGULATOR_MODE_NORMAL |
168 REGULATOR_MODE_FAST,
169 .always_on = 0,
170 .boot_on = 1,
171 },
172 .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
173 .consumer_supplies = sdhc_consumers,
174 };
175
176 static struct regulator_consumer_supply cam_consumers[] = {
177 {
178 .dev_name = "mx3_camera.0",
179 .supply = "cam_vcc",
180 },
181 };
182
183 static struct regulator_init_data cam_vreg_data = {
184 .constraints = {
185 .min_uV = 2700000,
186 .max_uV = 3000000,
187 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
188 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
189 .valid_modes_mask = REGULATOR_MODE_NORMAL |
190 REGULATOR_MODE_FAST,
191 .always_on = 0,
192 .boot_on = 1,
193 },
194 .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
195 .consumer_supplies = cam_consumers,
196 };
197
198 static struct mc13xxx_regulator_init_data moboard_regulators[] = {
199 {
200 .id = MC13783_REG_VMMC1,
201 .init_data = &sdhc_vreg_data,
202 },
203 {
204 .id = MC13783_REG_VCAM,
205 .init_data = &cam_vreg_data,
206 },
207 };
208
209 static struct mc13xxx_led_platform_data moboard_led[] = {
210 {
211 .id = MC13783_LED_R1,
212 .name = "coreboard-led-4:red",
213 },
214 {
215 .id = MC13783_LED_G1,
216 .name = "coreboard-led-4:green",
217 },
218 {
219 .id = MC13783_LED_B1,
220 .name = "coreboard-led-4:blue",
221 },
222 {
223 .id = MC13783_LED_R2,
224 .name = "coreboard-led-5:red",
225 },
226 {
227 .id = MC13783_LED_G2,
228 .name = "coreboard-led-5:green",
229 },
230 {
231 .id = MC13783_LED_B2,
232 .name = "coreboard-led-5:blue",
233 },
234 };
235
236 static struct mc13xxx_leds_platform_data moboard_leds = {
237 .num_leds = ARRAY_SIZE(moboard_led),
238 .led = moboard_led,
239 .led_control[0] = MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0),
240 .led_control[1] = MC13783_LED_C1_SLEWLIM,
241 .led_control[2] = MC13783_LED_C2_SLEWLIM,
242 .led_control[3] = MC13783_LED_C3_PERIOD(0) |
243 MC13783_LED_C3_CURRENT_R1(2) |
244 MC13783_LED_C3_CURRENT_G1(2) |
245 MC13783_LED_C3_CURRENT_B1(2),
246 .led_control[4] = MC13783_LED_C4_PERIOD(0) |
247 MC13783_LED_C4_CURRENT_R2(3) |
248 MC13783_LED_C4_CURRENT_G2(3) |
249 MC13783_LED_C4_CURRENT_B2(3),
250 };
251
252 static struct mc13xxx_buttons_platform_data moboard_buttons = {
253 .b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE |
254 MC13783_BUTTON_POL_INVERT,
255 .b1on_key = KEY_POWER,
256 };
257
258 static struct mc13xxx_codec_platform_data moboard_codec = {
259 .dac_ssi_port = MC13783_SSI1_PORT,
260 .adc_ssi_port = MC13783_SSI1_PORT,
261 };
262
263 static struct mc13xxx_platform_data moboard_pmic = {
264 .regulators = {
265 .regulators = moboard_regulators,
266 .num_regulators = ARRAY_SIZE(moboard_regulators),
267 },
268 .leds = &moboard_leds,
269 .buttons = &moboard_buttons,
270 .codec = &moboard_codec,
271 .flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC | MC13XXX_USE_CODEC,
272 };
273
274 static struct imx_ssi_platform_data moboard_ssi_pdata = {
275 .flags = IMX_SSI_DMA | IMX_SSI_NET,
276 };
277
278 static struct spi_board_info moboard_spi_board_info[] __initdata = {
279 {
280 .modalias = "mc13783",
281 /* irq number is run-time assigned */
282 .max_speed_hz = 300000,
283 .bus_num = 1,
284 .chip_select = 0,
285 .platform_data = &moboard_pmic,
286 .mode = SPI_CS_HIGH,
287 },
288 };
289
290 static const struct spi_imx_master moboard_spi2_pdata __initconst = {
291 .num_chipselect = 2,
292 };
293
294 #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
295 #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
296
moboard_sdhc1_get_ro(struct device * dev)297 static int moboard_sdhc1_get_ro(struct device *dev)
298 {
299 return !gpio_get_value(SDHC1_WP);
300 }
301
moboard_sdhc1_init(struct device * dev,irq_handler_t detect_irq,void * data)302 static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
303 void *data)
304 {
305 int ret;
306
307 ret = gpio_request(SDHC1_CD, "sdhc-detect");
308 if (ret)
309 return ret;
310
311 gpio_direction_input(SDHC1_CD);
312
313 ret = gpio_request(SDHC1_WP, "sdhc-wp");
314 if (ret)
315 goto err_gpio_free;
316 gpio_direction_input(SDHC1_WP);
317
318 ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
319 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
320 "sdhc1-card-detect", data);
321 if (ret)
322 goto err_gpio_free_2;
323
324 return 0;
325
326 err_gpio_free_2:
327 gpio_free(SDHC1_WP);
328 err_gpio_free:
329 gpio_free(SDHC1_CD);
330
331 return ret;
332 }
333
moboard_sdhc1_exit(struct device * dev,void * data)334 static void moboard_sdhc1_exit(struct device *dev, void *data)
335 {
336 free_irq(gpio_to_irq(SDHC1_CD), data);
337 gpio_free(SDHC1_WP);
338 gpio_free(SDHC1_CD);
339 }
340
341 static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
342 .get_ro = moboard_sdhc1_get_ro,
343 .init = moboard_sdhc1_init,
344 .exit = moboard_sdhc1_exit,
345 };
346
347 /*
348 * this pin is dedicated for all mx31moboard systems, so we do it here
349 */
350 #define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
351 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
352 PAD_CTL_ODE_CMOS)
353
354 #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
355 #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
356
usb_xcvr_reset(void)357 static void usb_xcvr_reset(void)
358 {
359 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
360 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
361 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
362 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
363 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
364 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
365 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
366 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
367 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
368 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
369 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
370 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
371
372 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
373 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
374 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
375 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
376 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
377 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
378 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
379 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
380 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
381 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
382 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
383 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
384 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
385
386 gpio_request(OTG_EN_B, "usb-udc-en");
387 gpio_direction_output(OTG_EN_B, 0);
388 gpio_request(USBH2_EN_B, "usbh2-en");
389 gpio_direction_output(USBH2_EN_B, 0);
390
391 gpio_request(USB_RESET_B, "usb-reset");
392 gpio_direction_output(USB_RESET_B, 0);
393 mdelay(1);
394 gpio_set_value(USB_RESET_B, 1);
395 mdelay(1);
396 }
397
moboard_usbh2_init_hw(struct platform_device * pdev)398 static int moboard_usbh2_init_hw(struct platform_device *pdev)
399 {
400 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
401 }
402
403 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
404 .init = moboard_usbh2_init_hw,
405 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
406 };
407
moboard_usbh2_init(void)408 static int __init moboard_usbh2_init(void)
409 {
410 struct platform_device *pdev;
411
412 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
413 ULPI_OTG_DRVVBUS_EXT);
414 if (!usbh2_pdata.otg)
415 return -ENODEV;
416
417 pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
418
419 return PTR_ERR_OR_ZERO(pdev);
420 }
421
422 static const struct gpio_led mx31moboard_leds[] __initconst = {
423 {
424 .name = "coreboard-led-0:red:running",
425 .default_trigger = "heartbeat",
426 .gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
427 }, {
428 .name = "coreboard-led-1:red",
429 .gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
430 }, {
431 .name = "coreboard-led-2:red",
432 .gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
433 }, {
434 .name = "coreboard-led-3:red",
435 .gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
436 },
437 };
438
439 static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
440 .num_leds = ARRAY_SIZE(mx31moboard_leds),
441 .leds = mx31moboard_leds,
442 };
443
444 static struct platform_device *devices[] __initdata = {
445 &mx31moboard_flash,
446 };
447
448 static struct mx3_camera_pdata camera_pdata __initdata = {
449 .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
450 .mclk_10khz = 4800,
451 };
452
453 static phys_addr_t mx3_camera_base __initdata;
454 #define MX3_CAMERA_BUF_SIZE SZ_4M
455
mx31moboard_init_cam(void)456 static int __init mx31moboard_init_cam(void)
457 {
458 int ret;
459 struct platform_device *pdev;
460
461 imx31_add_ipu_core();
462
463 pdev = imx31_alloc_mx3_camera(&camera_pdata);
464 if (IS_ERR(pdev))
465 return PTR_ERR(pdev);
466
467 ret = dma_declare_coherent_memory(&pdev->dev,
468 mx3_camera_base, mx3_camera_base,
469 MX3_CAMERA_BUF_SIZE);
470 if (ret)
471 goto err;
472
473 ret = platform_device_add(pdev);
474 if (ret)
475 err:
476 platform_device_put(pdev);
477
478 return ret;
479
480 }
481
mx31moboard_poweroff(void)482 static void mx31moboard_poweroff(void)
483 {
484 struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
485
486 if (!IS_ERR(clk))
487 clk_prepare_enable(clk);
488
489 mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
490
491 imx_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
492 }
493
494 static int mx31moboard_baseboard;
495 core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
496
497 /*
498 * Board specific initialization.
499 */
mx31moboard_init(void)500 static void __init mx31moboard_init(void)
501 {
502 imx31_soc_init();
503
504 mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
505 "moboard");
506
507 platform_add_devices(devices, ARRAY_SIZE(devices));
508
509 imx31_add_imx2_wdt();
510
511 imx31_add_imx_uart0(&uart0_pdata);
512 imx31_add_imx_uart4(&uart4_pdata);
513
514 imx31_add_imx_i2c0(&moboard_i2c0_data);
515 imx31_add_imx_i2c1(&moboard_i2c1_data);
516
517 imx31_add_spi_imx1(&moboard_spi1_pdata);
518 imx31_add_spi_imx2(&moboard_spi2_pdata);
519
520 mx31moboard_init_cam();
521
522 imx31_add_imx_ssi(0, &moboard_ssi_pdata);
523
524 pm_power_off = mx31moboard_poweroff;
525 }
526
mx31moboard_late(void)527 static void __init mx31moboard_late(void)
528 {
529 gpio_led_register_device(-1, &mx31moboard_led_pdata);
530
531 moboard_uart0_init();
532
533 gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
534 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
535 moboard_spi_board_info[0].irq =
536 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
537 spi_register_board_info(moboard_spi_board_info,
538 ARRAY_SIZE(moboard_spi_board_info));
539
540 imx31_add_mxc_mmc(0, &sdhc1_pdata);
541
542 usb_xcvr_reset();
543 moboard_usbh2_init();
544
545 imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
546
547 switch (mx31moboard_baseboard) {
548 case MX31NOBOARD:
549 break;
550 case MX31DEVBOARD:
551 mx31moboard_devboard_init();
552 break;
553 case MX31MARXBOT:
554 mx31moboard_marxbot_init();
555 break;
556 case MX31SMARTBOT:
557 case MX31EYEBOT:
558 mx31moboard_smartbot_init(mx31moboard_baseboard);
559 break;
560 default:
561 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
562 mx31moboard_baseboard);
563 }
564 }
565
mx31moboard_timer_init(void)566 static void __init mx31moboard_timer_init(void)
567 {
568 mx31_clocks_init(26000000);
569 }
570
mx31moboard_reserve(void)571 static void __init mx31moboard_reserve(void)
572 {
573 /* reserve 4 MiB for mx3-camera */
574 mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
575 MX3_CAMERA_BUF_SIZE);
576 }
577
578 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
579 /* Maintainer: Philippe Retornaz, EPFL Mobots group */
580 .atag_offset = 0x100,
581 .reserve = mx31moboard_reserve,
582 .map_io = mx31_map_io,
583 .init_early = imx31_init_early,
584 .init_irq = mx31_init_irq,
585 .init_time = mx31moboard_timer_init,
586 .init_machine = mx31moboard_init,
587 .init_late = mx31moboard_late,
588 .restart = mxc_restart,
589 MACHINE_END
590