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 "hardware.h"
  47. #include "iomux-mx3.h"
  48. #include "ulpi.h"
  49. static unsigned int moboard_pins[] = {
  50. /* UART0 */
  51. MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
  52. MX31_PIN_CTS1__GPIO2_7,
  53. /* UART4 */
  54. MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
  55. MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
  56. /* I2C0 */
  57. MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
  58. /* I2C1 */
  59. MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
  60. /* SDHC1 */
  61. MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
  62. MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
  63. MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
  64. MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
  65. /* USB reset */
  66. MX31_PIN_GPIO1_0__GPIO1_0,
  67. /* USB OTG */
  68. MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
  69. MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
  70. MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
  71. MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
  72. MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
  73. MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
  74. MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
  75. MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
  76. MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
  77. MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
  78. MX31_PIN_USB_OC__GPIO1_30,
  79. /* USB H2 */
  80. MX31_PIN_USBH2_DATA0__USBH2_DATA0,
  81. MX31_PIN_USBH2_DATA1__USBH2_DATA1,
  82. MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
  83. MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
  84. MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
  85. MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
  86. MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
  87. MX31_PIN_SCK6__GPIO1_25,
  88. /* LEDs */
  89. MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
  90. MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
  91. /* SPI1 */
  92. MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
  93. MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
  94. MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
  95. /* Atlas IRQ */
  96. MX31_PIN_GPIO1_3__GPIO1_3,
  97. /* SPI2 */
  98. MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
  99. MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
  100. MX31_PIN_CSPI2_SS1__CSPI3_SS1,
  101. /* SSI */
  102. MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4,
  103. MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4,
  104. };
  105. static struct physmap_flash_data mx31moboard_flash_data = {
  106. .width = 2,
  107. };
  108. static struct resource mx31moboard_flash_resource = {
  109. .start = 0xa0000000,
  110. .end = 0xa1ffffff,
  111. .flags = IORESOURCE_MEM,
  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. static int moboard_uart0_init(struct platform_device *pdev)
  123. {
  124. int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack");
  125. if (ret)
  126. return ret;
  127. ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
  128. if (ret)
  129. gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
  130. return ret;
  131. }
  132. static void moboard_uart0_exit(struct platform_device *pdev)
  133. {
  134. gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
  135. }
  136. static const struct imxuart_platform_data uart0_pdata __initconst = {
  137. .init = moboard_uart0_init,
  138. .exit = moboard_uart0_exit,
  139. };
  140. static const struct imxuart_platform_data uart4_pdata __initconst = {
  141. .flags = IMXUART_HAVE_RTSCTS,
  142. };
  143. static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
  144. .bitrate = 400000,
  145. };
  146. static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
  147. .bitrate = 100000,
  148. };
  149. static int moboard_spi1_cs[] = {
  150. MXC_SPI_CS(0),
  151. MXC_SPI_CS(2),
  152. };
  153. static const struct spi_imx_master moboard_spi1_pdata __initconst = {
  154. .chipselect = moboard_spi1_cs,
  155. .num_chipselect = ARRAY_SIZE(moboard_spi1_cs),
  156. };
  157. static struct regulator_consumer_supply sdhc_consumers[] = {
  158. {
  159. .dev_name = "imx31-mmc.0",
  160. .supply = "sdhc0_vcc",
  161. },
  162. {
  163. .dev_name = "imx31-mmc.1",
  164. .supply = "sdhc1_vcc",
  165. },
  166. };
  167. static struct regulator_init_data sdhc_vreg_data = {
  168. .constraints = {
  169. .min_uV = 2700000,
  170. .max_uV = 3000000,
  171. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
  172. REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
  173. .valid_modes_mask = REGULATOR_MODE_NORMAL |
  174. REGULATOR_MODE_FAST,
  175. .always_on = 0,
  176. .boot_on = 1,
  177. },
  178. .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
  179. .consumer_supplies = sdhc_consumers,
  180. };
  181. static struct regulator_consumer_supply cam_consumers[] = {
  182. {
  183. .dev_name = "mx3_camera.0",
  184. .supply = "cam_vcc",
  185. },
  186. };
  187. static struct regulator_init_data cam_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(cam_consumers),
  199. .consumer_supplies = cam_consumers,
  200. };
  201. static struct mc13xxx_regulator_init_data moboard_regulators[] = {
  202. {
  203. .id = MC13783_REG_VMMC1,
  204. .init_data = &sdhc_vreg_data,
  205. },
  206. {
  207. .id = MC13783_REG_VCAM,
  208. .init_data = &cam_vreg_data,
  209. },
  210. };
  211. static struct mc13xxx_led_platform_data moboard_led[] = {
  212. {
  213. .id = MC13783_LED_R1,
  214. .name = "coreboard-led-4:red",
  215. .max_current = 2,
  216. },
  217. {
  218. .id = MC13783_LED_G1,
  219. .name = "coreboard-led-4:green",
  220. .max_current = 2,
  221. },
  222. {
  223. .id = MC13783_LED_B1,
  224. .name = "coreboard-led-4:blue",
  225. .max_current = 2,
  226. },
  227. {
  228. .id = MC13783_LED_R2,
  229. .name = "coreboard-led-5:red",
  230. .max_current = 3,
  231. },
  232. {
  233. .id = MC13783_LED_G2,
  234. .name = "coreboard-led-5:green",
  235. .max_current = 3,
  236. },
  237. {
  238. .id = MC13783_LED_B2,
  239. .name = "coreboard-led-5:blue",
  240. .max_current = 3,
  241. },
  242. };
  243. static struct mc13xxx_leds_platform_data moboard_leds = {
  244. .num_leds = ARRAY_SIZE(moboard_led),
  245. .led = moboard_led,
  246. .led_control[0] = MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0),
  247. .led_control[1] = MC13783_LED_C1_SLEWLIM,
  248. .led_control[2] = MC13783_LED_C2_SLEWLIM,
  249. .led_control[3] = MC13783_LED_C3_PERIOD(0),
  250. .led_control[4] = MC13783_LED_C3_PERIOD(0),
  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. static struct mc13xxx_codec_platform_data moboard_codec = {
  258. .dac_ssi_port = MC13783_SSI1_PORT,
  259. .adc_ssi_port = MC13783_SSI1_PORT,
  260. };
  261. static struct mc13xxx_platform_data moboard_pmic = {
  262. .regulators = {
  263. .regulators = moboard_regulators,
  264. .num_regulators = ARRAY_SIZE(moboard_regulators),
  265. },
  266. .leds = &moboard_leds,
  267. .buttons = &moboard_buttons,
  268. .codec = &moboard_codec,
  269. .flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC | MC13XXX_USE_CODEC,
  270. };
  271. static struct imx_ssi_platform_data moboard_ssi_pdata = {
  272. .flags = IMX_SSI_DMA | IMX_SSI_NET,
  273. };
  274. static struct spi_board_info moboard_spi_board_info[] __initdata = {
  275. {
  276. .modalias = "mc13783",
  277. /* irq number is run-time assigned */
  278. .max_speed_hz = 300000,
  279. .bus_num = 1,
  280. .chip_select = 0,
  281. .platform_data = &moboard_pmic,
  282. .mode = SPI_CS_HIGH,
  283. },
  284. };
  285. static int moboard_spi2_cs[] = {
  286. MXC_SPI_CS(1),
  287. };
  288. static const struct spi_imx_master moboard_spi2_pdata __initconst = {
  289. .chipselect = moboard_spi2_cs,
  290. .num_chipselect = ARRAY_SIZE(moboard_spi2_cs),
  291. };
  292. #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
  293. #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
  294. static int moboard_sdhc1_get_ro(struct device *dev)
  295. {
  296. return !gpio_get_value(SDHC1_WP);
  297. }
  298. static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
  299. void *data)
  300. {
  301. int ret;
  302. ret = gpio_request(SDHC1_CD, "sdhc-detect");
  303. if (ret)
  304. return ret;
  305. gpio_direction_input(SDHC1_CD);
  306. ret = gpio_request(SDHC1_WP, "sdhc-wp");
  307. if (ret)
  308. goto err_gpio_free;
  309. gpio_direction_input(SDHC1_WP);
  310. ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
  311. IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  312. "sdhc1-card-detect", data);
  313. if (ret)
  314. goto err_gpio_free_2;
  315. return 0;
  316. err_gpio_free_2:
  317. gpio_free(SDHC1_WP);
  318. err_gpio_free:
  319. gpio_free(SDHC1_CD);
  320. return ret;
  321. }
  322. static void moboard_sdhc1_exit(struct device *dev, void *data)
  323. {
  324. free_irq(gpio_to_irq(SDHC1_CD), data);
  325. gpio_free(SDHC1_WP);
  326. gpio_free(SDHC1_CD);
  327. }
  328. static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
  329. .get_ro = moboard_sdhc1_get_ro,
  330. .init = moboard_sdhc1_init,
  331. .exit = moboard_sdhc1_exit,
  332. };
  333. /*
  334. * this pin is dedicated for all mx31moboard systems, so we do it here
  335. */
  336. #define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
  337. #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
  338. PAD_CTL_ODE_CMOS)
  339. #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
  340. #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
  341. static void usb_xcvr_reset(void)
  342. {
  343. mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
  344. mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
  345. mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
  346. mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
  347. mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
  348. mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
  349. mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
  350. mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
  351. mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
  352. mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
  353. mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
  354. mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
  355. mxc_iomux_set_gpr(MUX_PGP_UH2, true);
  356. mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
  357. mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
  358. mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
  359. mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
  360. mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
  361. mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
  362. mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
  363. mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
  364. mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
  365. mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
  366. mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
  367. mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
  368. gpio_request(OTG_EN_B, "usb-udc-en");
  369. gpio_direction_output(OTG_EN_B, 0);
  370. gpio_request(USBH2_EN_B, "usbh2-en");
  371. gpio_direction_output(USBH2_EN_B, 0);
  372. gpio_request(USB_RESET_B, "usb-reset");
  373. gpio_direction_output(USB_RESET_B, 0);
  374. mdelay(1);
  375. gpio_set_value(USB_RESET_B, 1);
  376. mdelay(1);
  377. }
  378. static int moboard_usbh2_init_hw(struct platform_device *pdev)
  379. {
  380. return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
  381. }
  382. static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
  383. .init = moboard_usbh2_init_hw,
  384. .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
  385. };
  386. static int __init moboard_usbh2_init(void)
  387. {
  388. struct platform_device *pdev;
  389. usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
  390. ULPI_OTG_DRVVBUS_EXT);
  391. if (!usbh2_pdata.otg)
  392. return -ENODEV;
  393. pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
  394. if (IS_ERR(pdev))
  395. return PTR_ERR(pdev);
  396. return 0;
  397. }
  398. static const struct gpio_led mx31moboard_leds[] __initconst = {
  399. {
  400. .name = "coreboard-led-0:red:running",
  401. .default_trigger = "heartbeat",
  402. .gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
  403. }, {
  404. .name = "coreboard-led-1:red",
  405. .gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
  406. }, {
  407. .name = "coreboard-led-2:red",
  408. .gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
  409. }, {
  410. .name = "coreboard-led-3:red",
  411. .gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
  412. },
  413. };
  414. static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
  415. .num_leds = ARRAY_SIZE(mx31moboard_leds),
  416. .leds = mx31moboard_leds,
  417. };
  418. static struct platform_device *devices[] __initdata = {
  419. &mx31moboard_flash,
  420. };
  421. static struct mx3_camera_pdata camera_pdata __initdata = {
  422. .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
  423. .mclk_10khz = 4800,
  424. };
  425. static phys_addr_t mx3_camera_base __initdata;
  426. #define MX3_CAMERA_BUF_SIZE SZ_4M
  427. static int __init mx31moboard_init_cam(void)
  428. {
  429. int dma, ret = -ENOMEM;
  430. struct platform_device *pdev;
  431. imx31_add_ipu_core();
  432. pdev = imx31_alloc_mx3_camera(&camera_pdata);
  433. if (IS_ERR(pdev))
  434. return PTR_ERR(pdev);
  435. dma = dma_declare_coherent_memory(&pdev->dev,
  436. mx3_camera_base, mx3_camera_base,
  437. MX3_CAMERA_BUF_SIZE,
  438. DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
  439. if (!(dma & DMA_MEMORY_MAP))
  440. goto err;
  441. ret = platform_device_add(pdev);
  442. if (ret)
  443. err:
  444. platform_device_put(pdev);
  445. return ret;
  446. }
  447. static void mx31moboard_poweroff(void)
  448. {
  449. struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
  450. if (!IS_ERR(clk))
  451. clk_prepare_enable(clk);
  452. mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
  453. __raw_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
  454. }
  455. static int mx31moboard_baseboard;
  456. core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
  457. /*
  458. * Board specific initialization.
  459. */
  460. static void __init mx31moboard_init(void)
  461. {
  462. imx31_soc_init();
  463. mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
  464. "moboard");
  465. platform_add_devices(devices, ARRAY_SIZE(devices));
  466. gpio_led_register_device(-1, &mx31moboard_led_pdata);
  467. imx31_add_imx2_wdt();
  468. imx31_add_imx_uart0(&uart0_pdata);
  469. imx31_add_imx_uart4(&uart4_pdata);
  470. imx31_add_imx_i2c0(&moboard_i2c0_data);
  471. imx31_add_imx_i2c1(&moboard_i2c1_data);
  472. imx31_add_spi_imx1(&moboard_spi1_pdata);
  473. imx31_add_spi_imx2(&moboard_spi2_pdata);
  474. gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
  475. gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
  476. moboard_spi_board_info[0].irq =
  477. gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
  478. spi_register_board_info(moboard_spi_board_info,
  479. ARRAY_SIZE(moboard_spi_board_info));
  480. imx31_add_mxc_mmc(0, &sdhc1_pdata);
  481. mx31moboard_init_cam();
  482. usb_xcvr_reset();
  483. moboard_usbh2_init();
  484. imx31_add_imx_ssi(0, &moboard_ssi_pdata);
  485. imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
  486. pm_power_off = mx31moboard_poweroff;
  487. switch (mx31moboard_baseboard) {
  488. case MX31NOBOARD:
  489. break;
  490. case MX31DEVBOARD:
  491. mx31moboard_devboard_init();
  492. break;
  493. case MX31MARXBOT:
  494. mx31moboard_marxbot_init();
  495. break;
  496. case MX31SMARTBOT:
  497. case MX31EYEBOT:
  498. mx31moboard_smartbot_init(mx31moboard_baseboard);
  499. break;
  500. default:
  501. printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
  502. mx31moboard_baseboard);
  503. }
  504. }
  505. static void __init mx31moboard_timer_init(void)
  506. {
  507. mx31_clocks_init(26000000);
  508. }
  509. static void __init mx31moboard_reserve(void)
  510. {
  511. /* reserve 4 MiB for mx3-camera */
  512. mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
  513. MX3_CAMERA_BUF_SIZE);
  514. }
  515. MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
  516. /* Maintainer: Philippe Retornaz, EPFL Mobots group */
  517. .atag_offset = 0x100,
  518. .reserve = mx31moboard_reserve,
  519. .map_io = mx31_map_io,
  520. .init_early = imx31_init_early,
  521. .init_irq = mx31_init_irq,
  522. .handle_irq = imx31_handle_irq,
  523. .init_time = mx31moboard_timer_init,
  524. .init_machine = mx31moboard_init,
  525. .restart = mxc_restart,
  526. MACHINE_END