mach-mx31moboard.c 16 KB

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