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 const struct spi_imx_master moboard_spi1_pdata __initconst = {
156 	.num_chipselect	= 3,
157 };
158 
159 static struct regulator_consumer_supply sdhc_consumers[] = {
160 	{
161 		.dev_name = "imx31-mmc.0",
162 		.supply	= "sdhc0_vcc",
163 	},
164 	{
165 		.dev_name = "imx31-mmc.1",
166 		.supply	= "sdhc1_vcc",
167 	},
168 };
169 
170 static struct regulator_init_data sdhc_vreg_data = {
171 	.constraints = {
172 		.min_uV = 2700000,
173 		.max_uV = 3000000,
174 		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
175 			REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
176 		.valid_modes_mask = REGULATOR_MODE_NORMAL |
177 			REGULATOR_MODE_FAST,
178 		.always_on = 0,
179 		.boot_on = 1,
180 	},
181 	.num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
182 	.consumer_supplies = sdhc_consumers,
183 };
184 
185 static struct regulator_consumer_supply cam_consumers[] = {
186 	{
187 		.dev_name = "mx3_camera.0",
188 		.supply = "cam_vcc",
189 	},
190 };
191 
192 static struct regulator_init_data cam_vreg_data = {
193 	.constraints = {
194 		.min_uV = 2700000,
195 		.max_uV = 3000000,
196 		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
197 			REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
198 		.valid_modes_mask = REGULATOR_MODE_NORMAL |
199 			REGULATOR_MODE_FAST,
200 		.always_on = 0,
201 		.boot_on = 1,
202 	},
203 	.num_consumer_supplies = ARRAY_SIZE(cam_consumers),
204 	.consumer_supplies = cam_consumers,
205 };
206 
207 static struct mc13xxx_regulator_init_data moboard_regulators[] = {
208 	{
209 		.id = MC13783_REG_VMMC1,
210 		.init_data = &sdhc_vreg_data,
211 	},
212 	{
213 		.id = MC13783_REG_VCAM,
214 		.init_data = &cam_vreg_data,
215 	},
216 };
217 
218 static struct mc13xxx_led_platform_data moboard_led[] = {
219 	{
220 		.id = MC13783_LED_R1,
221 		.name = "coreboard-led-4:red",
222 	},
223 	{
224 		.id = MC13783_LED_G1,
225 		.name = "coreboard-led-4:green",
226 	},
227 	{
228 		.id = MC13783_LED_B1,
229 		.name = "coreboard-led-4:blue",
230 	},
231 	{
232 		.id = MC13783_LED_R2,
233 		.name = "coreboard-led-5:red",
234 	},
235 	{
236 		.id = MC13783_LED_G2,
237 		.name = "coreboard-led-5:green",
238 	},
239 	{
240 		.id = MC13783_LED_B2,
241 		.name = "coreboard-led-5:blue",
242 	},
243 };
244 
245 static struct mc13xxx_leds_platform_data moboard_leds = {
246 	.num_leds = ARRAY_SIZE(moboard_led),
247 	.led = moboard_led,
248 	.led_control[0]	= MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0),
249 	.led_control[1]	= MC13783_LED_C1_SLEWLIM,
250 	.led_control[2]	= MC13783_LED_C2_SLEWLIM,
251 	.led_control[3]	= MC13783_LED_C3_PERIOD(0) |
252 			  MC13783_LED_C3_CURRENT_R1(2) |
253 			  MC13783_LED_C3_CURRENT_G1(2) |
254 			  MC13783_LED_C3_CURRENT_B1(2),
255 	.led_control[4]	= MC13783_LED_C4_PERIOD(0) |
256 			  MC13783_LED_C4_CURRENT_R2(3) |
257 			  MC13783_LED_C4_CURRENT_G2(3) |
258 			  MC13783_LED_C4_CURRENT_B2(3),
259 };
260 
261 static struct mc13xxx_buttons_platform_data moboard_buttons = {
262 	.b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE |
263 			MC13783_BUTTON_POL_INVERT,
264 	.b1on_key = KEY_POWER,
265 };
266 
267 static struct mc13xxx_codec_platform_data moboard_codec = {
268 	.dac_ssi_port = MC13783_SSI1_PORT,
269 	.adc_ssi_port = MC13783_SSI1_PORT,
270 };
271 
272 static struct mc13xxx_platform_data moboard_pmic = {
273 	.regulators = {
274 		.regulators = moboard_regulators,
275 		.num_regulators = ARRAY_SIZE(moboard_regulators),
276 	},
277 	.leds = &moboard_leds,
278 	.buttons = &moboard_buttons,
279 	.codec = &moboard_codec,
280 	.flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC | MC13XXX_USE_CODEC,
281 };
282 
283 static struct imx_ssi_platform_data moboard_ssi_pdata = {
284 	.flags = IMX_SSI_DMA | IMX_SSI_NET,
285 };
286 
287 static struct spi_board_info moboard_spi_board_info[] __initdata = {
288 	{
289 		.modalias = "mc13783",
290 		/* irq number is run-time assigned */
291 		.max_speed_hz = 300000,
292 		.bus_num = 1,
293 		.chip_select = 0,
294 		.platform_data = &moboard_pmic,
295 		.mode = SPI_CS_HIGH,
296 	},
297 };
298 
299 static const struct spi_imx_master moboard_spi2_pdata __initconst = {
300 	.num_chipselect	= 2,
301 };
302 
303 #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
304 #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
305 
moboard_sdhc1_get_ro(struct device * dev)306 static int moboard_sdhc1_get_ro(struct device *dev)
307 {
308 	return !gpio_get_value(SDHC1_WP);
309 }
310 
moboard_sdhc1_init(struct device * dev,irq_handler_t detect_irq,void * data)311 static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
312 		void *data)
313 {
314 	int ret;
315 
316 	ret = gpio_request(SDHC1_CD, "sdhc-detect");
317 	if (ret)
318 		return ret;
319 
320 	gpio_direction_input(SDHC1_CD);
321 
322 	ret = gpio_request(SDHC1_WP, "sdhc-wp");
323 	if (ret)
324 		goto err_gpio_free;
325 	gpio_direction_input(SDHC1_WP);
326 
327 	ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
328 		IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
329 		"sdhc1-card-detect", data);
330 	if (ret)
331 		goto err_gpio_free_2;
332 
333 	return 0;
334 
335 err_gpio_free_2:
336 	gpio_free(SDHC1_WP);
337 err_gpio_free:
338 	gpio_free(SDHC1_CD);
339 
340 	return ret;
341 }
342 
moboard_sdhc1_exit(struct device * dev,void * data)343 static void moboard_sdhc1_exit(struct device *dev, void *data)
344 {
345 	free_irq(gpio_to_irq(SDHC1_CD), data);
346 	gpio_free(SDHC1_WP);
347 	gpio_free(SDHC1_CD);
348 }
349 
350 static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
351 	.get_ro	= moboard_sdhc1_get_ro,
352 	.init	= moboard_sdhc1_init,
353 	.exit	= moboard_sdhc1_exit,
354 };
355 
356 /*
357  * this pin is dedicated for all mx31moboard systems, so we do it here
358  */
359 #define USB_RESET_B	IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
360 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
361 		      PAD_CTL_ODE_CMOS)
362 
363 #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
364 #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
365 
usb_xcvr_reset(void)366 static void usb_xcvr_reset(void)
367 {
368 	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
369 	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
370 	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
371 	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
372 	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
373 	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
374 	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
375 	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
376 	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
377 	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
378 	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
379 	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
380 
381 	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
382 	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
383 	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
384 	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
385 	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
386 	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
387 	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
388 	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
389 	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
390 	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
391 	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
392 	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
393 	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
394 
395 	gpio_request(OTG_EN_B, "usb-udc-en");
396 	gpio_direction_output(OTG_EN_B, 0);
397 	gpio_request(USBH2_EN_B, "usbh2-en");
398 	gpio_direction_output(USBH2_EN_B, 0);
399 
400 	gpio_request(USB_RESET_B, "usb-reset");
401 	gpio_direction_output(USB_RESET_B, 0);
402 	mdelay(1);
403 	gpio_set_value(USB_RESET_B, 1);
404 	mdelay(1);
405 }
406 
moboard_usbh2_init_hw(struct platform_device * pdev)407 static int moboard_usbh2_init_hw(struct platform_device *pdev)
408 {
409 	return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
410 }
411 
412 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
413 	.init	= moboard_usbh2_init_hw,
414 	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
415 };
416 
moboard_usbh2_init(void)417 static int __init moboard_usbh2_init(void)
418 {
419 	struct platform_device *pdev;
420 
421 	usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
422 			ULPI_OTG_DRVVBUS_EXT);
423 	if (!usbh2_pdata.otg)
424 		return -ENODEV;
425 
426 	pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
427 
428 	return PTR_ERR_OR_ZERO(pdev);
429 }
430 
431 static const struct gpio_led mx31moboard_leds[] __initconst = {
432 	{
433 		.name	= "coreboard-led-0:red:running",
434 		.default_trigger = "heartbeat",
435 		.gpio	= IOMUX_TO_GPIO(MX31_PIN_SVEN0),
436 	}, {
437 		.name	= "coreboard-led-1:red",
438 		.gpio	= IOMUX_TO_GPIO(MX31_PIN_STX0),
439 	}, {
440 		.name	= "coreboard-led-2:red",
441 		.gpio	= IOMUX_TO_GPIO(MX31_PIN_SRX0),
442 	}, {
443 		.name	= "coreboard-led-3:red",
444 		.gpio	= IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
445 	},
446 };
447 
448 static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
449 	.num_leds	= ARRAY_SIZE(mx31moboard_leds),
450 	.leds		= mx31moboard_leds,
451 };
452 
453 static struct platform_device *devices[] __initdata = {
454 	&mx31moboard_flash,
455 };
456 
457 static struct mx3_camera_pdata camera_pdata __initdata = {
458 	.flags		= MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
459 	.mclk_10khz	= 4800,
460 };
461 
462 static phys_addr_t mx3_camera_base __initdata;
463 #define MX3_CAMERA_BUF_SIZE SZ_4M
464 
mx31moboard_init_cam(void)465 static int __init mx31moboard_init_cam(void)
466 {
467 	int ret;
468 	struct platform_device *pdev;
469 
470 	imx31_add_ipu_core();
471 
472 	pdev = imx31_alloc_mx3_camera(&camera_pdata);
473 	if (IS_ERR(pdev))
474 		return PTR_ERR(pdev);
475 
476 	ret = dma_declare_coherent_memory(&pdev->dev,
477 					  mx3_camera_base, mx3_camera_base,
478 					  MX3_CAMERA_BUF_SIZE,
479 					  DMA_MEMORY_EXCLUSIVE);
480 	if (ret)
481 		goto err;
482 
483 	ret = platform_device_add(pdev);
484 	if (ret)
485 err:
486 		platform_device_put(pdev);
487 
488 	return ret;
489 
490 }
491 
mx31moboard_poweroff(void)492 static void mx31moboard_poweroff(void)
493 {
494 	struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
495 
496 	if (!IS_ERR(clk))
497 		clk_prepare_enable(clk);
498 
499 	mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
500 
501 	imx_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
502 }
503 
504 static int mx31moboard_baseboard;
505 core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
506 
507 /*
508  * Board specific initialization.
509  */
mx31moboard_init(void)510 static void __init mx31moboard_init(void)
511 {
512 	imx31_soc_init();
513 
514 	mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
515 		"moboard");
516 
517 	platform_add_devices(devices, ARRAY_SIZE(devices));
518 
519 	imx31_add_imx2_wdt();
520 
521 	imx31_add_imx_uart0(&uart0_pdata);
522 	imx31_add_imx_uart4(&uart4_pdata);
523 
524 	imx31_add_imx_i2c0(&moboard_i2c0_data);
525 	imx31_add_imx_i2c1(&moboard_i2c1_data);
526 
527 	imx31_add_spi_imx1(&moboard_spi1_pdata);
528 	imx31_add_spi_imx2(&moboard_spi2_pdata);
529 
530 	mx31moboard_init_cam();
531 
532 	imx31_add_imx_ssi(0, &moboard_ssi_pdata);
533 
534 	pm_power_off = mx31moboard_poweroff;
535 }
536 
mx31moboard_late(void)537 static void __init mx31moboard_late(void)
538 {
539 	gpio_led_register_device(-1, &mx31moboard_led_pdata);
540 
541 	moboard_uart0_init();
542 
543 	gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
544 	gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
545 	moboard_spi_board_info[0].irq =
546 			gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
547 	spi_register_board_info(moboard_spi_board_info,
548 		ARRAY_SIZE(moboard_spi_board_info));
549 
550 	imx31_add_mxc_mmc(0, &sdhc1_pdata);
551 
552 	usb_xcvr_reset();
553 	moboard_usbh2_init();
554 
555 	imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
556 
557 	switch (mx31moboard_baseboard) {
558 	case MX31NOBOARD:
559 		break;
560 	case MX31DEVBOARD:
561 		mx31moboard_devboard_init();
562 		break;
563 	case MX31MARXBOT:
564 		mx31moboard_marxbot_init();
565 		break;
566 	case MX31SMARTBOT:
567 	case MX31EYEBOT:
568 		mx31moboard_smartbot_init(mx31moboard_baseboard);
569 		break;
570 	default:
571 		printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
572 			mx31moboard_baseboard);
573 	}
574 }
575 
mx31moboard_timer_init(void)576 static void __init mx31moboard_timer_init(void)
577 {
578 	mx31_clocks_init(26000000);
579 }
580 
mx31moboard_reserve(void)581 static void __init mx31moboard_reserve(void)
582 {
583 	/* reserve 4 MiB for mx3-camera */
584 	mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
585 			MX3_CAMERA_BUF_SIZE);
586 }
587 
588 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
589 	/* Maintainer: Philippe Retornaz, EPFL Mobots group */
590 	.atag_offset = 0x100,
591 	.reserve = mx31moboard_reserve,
592 	.map_io = mx31_map_io,
593 	.init_early = imx31_init_early,
594 	.init_irq = mx31_init_irq,
595 	.init_time	= mx31moboard_timer_init,
596 	.init_machine = mx31moboard_init,
597 	.init_late	= mx31moboard_late,
598 	.restart	= mxc_restart,
599 MACHINE_END
600