board-igep0020.c 18 KB

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  1. /*
  2. * Copyright (C) 2009 Integration Software and Electronic Engineering.
  3. *
  4. * Modified from mach-omap2/board-generic.c
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2 as
  8. * published by the Free Software Foundation.
  9. */
  10. #include <linux/kernel.h>
  11. #include <linux/init.h>
  12. #include <linux/platform_device.h>
  13. #include <linux/delay.h>
  14. #include <linux/err.h>
  15. #include <linux/clk.h>
  16. #include <linux/io.h>
  17. #include <linux/gpio.h>
  18. #include <linux/interrupt.h>
  19. #include <linux/regulator/machine.h>
  20. #include <linux/i2c/twl.h>
  21. #include <linux/mmc/host.h>
  22. #include <asm/mach-types.h>
  23. #include <asm/mach/arch.h>
  24. #include <plat/board.h>
  25. #include <plat/common.h>
  26. #include <plat/gpmc.h>
  27. #include <plat/usb.h>
  28. #include <plat/display.h>
  29. #include <plat/onenand.h>
  30. #include "mux.h"
  31. #include "hsmmc.h"
  32. #include "sdram-numonyx-m65kxxxxam.h"
  33. #define IGEP2_SMSC911X_CS 5
  34. #define IGEP2_SMSC911X_GPIO 176
  35. #define IGEP2_GPIO_USBH_NRESET 24
  36. #define IGEP2_GPIO_LED0_GREEN 26
  37. #define IGEP2_GPIO_LED0_RED 27
  38. #define IGEP2_GPIO_LED1_RED 28
  39. #define IGEP2_GPIO_DVI_PUP 170
  40. #define IGEP2_RB_GPIO_WIFI_NPD 94
  41. #define IGEP2_RB_GPIO_WIFI_NRESET 95
  42. #define IGEP2_RB_GPIO_BT_NRESET 137
  43. #define IGEP2_RC_GPIO_WIFI_NPD 138
  44. #define IGEP2_RC_GPIO_WIFI_NRESET 139
  45. #define IGEP2_RC_GPIO_BT_NRESET 137
  46. /*
  47. * IGEP2 Hardware Revision Table
  48. *
  49. * --------------------------------------------------------------------------
  50. * | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
  51. * --------------------------------------------------------------------------
  52. * | 0 | B | high | gpio94 | gpio95 | - |
  53. * | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 |
  54. * | 1 | C | low | gpio138 | gpio139 | gpio137 |
  55. * --------------------------------------------------------------------------
  56. */
  57. #define IGEP2_BOARD_HWREV_B 0
  58. #define IGEP2_BOARD_HWREV_C 1
  59. static u8 hwrev;
  60. static void __init igep2_get_revision(void)
  61. {
  62. u8 ret;
  63. omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
  64. if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_HW0_REV") == 0) &&
  65. (gpio_direction_input(IGEP2_GPIO_LED1_RED) == 0)) {
  66. ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
  67. if (ret == 0) {
  68. pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
  69. hwrev = IGEP2_BOARD_HWREV_C;
  70. } else if (ret == 1) {
  71. pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
  72. hwrev = IGEP2_BOARD_HWREV_B;
  73. } else {
  74. pr_err("IGEP2: Unknown Hardware Revision\n");
  75. hwrev = -1;
  76. }
  77. } else {
  78. pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
  79. pr_err("IGEP2: Unknown Hardware Revision\n");
  80. }
  81. gpio_free(IGEP2_GPIO_LED1_RED);
  82. }
  83. #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
  84. defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
  85. #define ONENAND_MAP 0x20000000
  86. /* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
  87. * Since the device is equipped with two DataRAMs, and two-plane NAND
  88. * Flash memory array, these two component enables simultaneous program
  89. * of 4KiB. Plane1 has only even blocks such as block0, block2, block4
  90. * while Plane2 has only odd blocks such as block1, block3, block5.
  91. * So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
  92. */
  93. static struct mtd_partition igep2_onenand_partitions[] = {
  94. {
  95. .name = "X-Loader",
  96. .offset = 0,
  97. .size = 2 * (64*(2*2048))
  98. },
  99. {
  100. .name = "U-Boot",
  101. .offset = MTDPART_OFS_APPEND,
  102. .size = 6 * (64*(2*2048)),
  103. },
  104. {
  105. .name = "Environment",
  106. .offset = MTDPART_OFS_APPEND,
  107. .size = 2 * (64*(2*2048)),
  108. },
  109. {
  110. .name = "Kernel",
  111. .offset = MTDPART_OFS_APPEND,
  112. .size = 12 * (64*(2*2048)),
  113. },
  114. {
  115. .name = "File System",
  116. .offset = MTDPART_OFS_APPEND,
  117. .size = MTDPART_SIZ_FULL,
  118. },
  119. };
  120. static int igep2_onenand_setup(void __iomem *onenand_base, int freq)
  121. {
  122. /* nothing is required to be setup for onenand as of now */
  123. return 0;
  124. }
  125. static struct omap_onenand_platform_data igep2_onenand_data = {
  126. .parts = igep2_onenand_partitions,
  127. .nr_parts = ARRAY_SIZE(igep2_onenand_partitions),
  128. .onenand_setup = igep2_onenand_setup,
  129. .dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
  130. };
  131. static struct platform_device igep2_onenand_device = {
  132. .name = "omap2-onenand",
  133. .id = -1,
  134. .dev = {
  135. .platform_data = &igep2_onenand_data,
  136. },
  137. };
  138. static void __init igep2_flash_init(void)
  139. {
  140. u8 cs = 0;
  141. u8 onenandcs = GPMC_CS_NUM + 1;
  142. while (cs < GPMC_CS_NUM) {
  143. u32 ret = 0;
  144. ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
  145. /* Check if NAND/oneNAND is configured */
  146. if ((ret & 0xC00) == 0x800)
  147. /* NAND found */
  148. pr_err("IGEP v2: Unsupported NAND found\n");
  149. else {
  150. ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
  151. if ((ret & 0x3F) == (ONENAND_MAP >> 24))
  152. /* ONENAND found */
  153. onenandcs = cs;
  154. }
  155. cs++;
  156. }
  157. if (onenandcs > GPMC_CS_NUM) {
  158. pr_err("IGEP v2: Unable to find configuration in GPMC\n");
  159. return;
  160. }
  161. if (onenandcs < GPMC_CS_NUM) {
  162. igep2_onenand_data.cs = onenandcs;
  163. if (platform_device_register(&igep2_onenand_device) < 0)
  164. pr_err("IGEP v2: Unable to register OneNAND device\n");
  165. }
  166. }
  167. #else
  168. static void __init igep2_flash_init(void) {}
  169. #endif
  170. #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
  171. #include <linux/smsc911x.h>
  172. static struct smsc911x_platform_config igep2_smsc911x_config = {
  173. .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  174. .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  175. .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS ,
  176. .phy_interface = PHY_INTERFACE_MODE_MII,
  177. };
  178. static struct resource igep2_smsc911x_resources[] = {
  179. {
  180. .flags = IORESOURCE_MEM,
  181. },
  182. {
  183. .start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
  184. .end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
  185. .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  186. },
  187. };
  188. static struct platform_device igep2_smsc911x_device = {
  189. .name = "smsc911x",
  190. .id = 0,
  191. .num_resources = ARRAY_SIZE(igep2_smsc911x_resources),
  192. .resource = igep2_smsc911x_resources,
  193. .dev = {
  194. .platform_data = &igep2_smsc911x_config,
  195. },
  196. };
  197. static inline void __init igep2_init_smsc911x(void)
  198. {
  199. unsigned long cs_mem_base;
  200. if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
  201. pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
  202. gpmc_cs_free(IGEP2_SMSC911X_CS);
  203. return;
  204. }
  205. igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
  206. igep2_smsc911x_resources[0].end = cs_mem_base + 0xff;
  207. if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
  208. (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
  209. gpio_export(IGEP2_SMSC911X_GPIO, 0);
  210. } else {
  211. pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
  212. return;
  213. }
  214. platform_device_register(&igep2_smsc911x_device);
  215. }
  216. #else
  217. static inline void __init igep2_init_smsc911x(void) { }
  218. #endif
  219. static struct omap_board_config_kernel igep2_config[] __initdata = {
  220. };
  221. static struct regulator_consumer_supply igep2_vmmc1_supply = {
  222. .supply = "vmmc",
  223. };
  224. static struct regulator_consumer_supply igep2_vmmc2_supply = {
  225. .supply = "vmmc",
  226. };
  227. /* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
  228. static struct regulator_init_data igep2_vmmc1 = {
  229. .constraints = {
  230. .min_uV = 1850000,
  231. .max_uV = 3150000,
  232. .valid_modes_mask = REGULATOR_MODE_NORMAL
  233. | REGULATOR_MODE_STANDBY,
  234. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
  235. | REGULATOR_CHANGE_MODE
  236. | REGULATOR_CHANGE_STATUS,
  237. },
  238. .num_consumer_supplies = 1,
  239. .consumer_supplies = &igep2_vmmc1_supply,
  240. };
  241. /* VMMC2 for OMAP VDD_MMC2 (i/o) and MMC2 WIFI */
  242. static struct regulator_init_data igep2_vmmc2 = {
  243. .constraints = {
  244. .min_uV = 1850000,
  245. .max_uV = 3150000,
  246. .valid_modes_mask = REGULATOR_MODE_NORMAL
  247. | REGULATOR_MODE_STANDBY,
  248. .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
  249. | REGULATOR_CHANGE_MODE
  250. | REGULATOR_CHANGE_STATUS,
  251. },
  252. .num_consumer_supplies = 1,
  253. .consumer_supplies = &igep2_vmmc2_supply,
  254. };
  255. static struct omap2_hsmmc_info mmc[] = {
  256. {
  257. .mmc = 1,
  258. .caps = MMC_CAP_4_BIT_DATA,
  259. .gpio_cd = -EINVAL,
  260. .gpio_wp = -EINVAL,
  261. },
  262. #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
  263. {
  264. .mmc = 2,
  265. .caps = MMC_CAP_4_BIT_DATA,
  266. .gpio_cd = -EINVAL,
  267. .gpio_wp = -EINVAL,
  268. },
  269. #endif
  270. {} /* Terminator */
  271. };
  272. #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
  273. #include <linux/leds.h>
  274. static struct gpio_led igep2_gpio_leds[] = {
  275. [0] = {
  276. .name = "gpio-led:red:d0",
  277. .gpio = IGEP2_GPIO_LED0_RED,
  278. .default_trigger = "default-off"
  279. },
  280. [1] = {
  281. .name = "gpio-led:green:d0",
  282. .gpio = IGEP2_GPIO_LED0_GREEN,
  283. .default_trigger = "default-off",
  284. },
  285. [2] = {
  286. .name = "gpio-led:red:d1",
  287. .gpio = IGEP2_GPIO_LED1_RED,
  288. .default_trigger = "default-off",
  289. },
  290. [3] = {
  291. .name = "gpio-led:green:d1",
  292. .default_trigger = "heartbeat",
  293. .gpio = -EINVAL, /* gets replaced */
  294. },
  295. };
  296. static struct gpio_led_platform_data igep2_led_pdata = {
  297. .leds = igep2_gpio_leds,
  298. .num_leds = ARRAY_SIZE(igep2_gpio_leds),
  299. };
  300. static struct platform_device igep2_led_device = {
  301. .name = "leds-gpio",
  302. .id = -1,
  303. .dev = {
  304. .platform_data = &igep2_led_pdata,
  305. },
  306. };
  307. static void __init igep2_leds_init(void)
  308. {
  309. platform_device_register(&igep2_led_device);
  310. }
  311. #else
  312. static inline void igep2_leds_init(void)
  313. {
  314. if ((gpio_request(IGEP2_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
  315. (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
  316. gpio_export(IGEP2_GPIO_LED0_RED, 0);
  317. gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
  318. } else
  319. pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
  320. if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
  321. (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
  322. gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
  323. gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
  324. } else
  325. pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
  326. if ((gpio_request(IGEP2_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
  327. (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
  328. gpio_export(IGEP2_GPIO_LED1_RED, 0);
  329. gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
  330. } else
  331. pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
  332. }
  333. #endif
  334. static int igep2_twl_gpio_setup(struct device *dev,
  335. unsigned gpio, unsigned ngpio)
  336. {
  337. /* gpio + 0 is "mmc0_cd" (input/IRQ) */
  338. mmc[0].gpio_cd = gpio + 0;
  339. omap2_hsmmc_init(mmc);
  340. /* link regulators to MMC adapters ... we "know" the
  341. * regulators will be set up only *after* we return.
  342. */
  343. igep2_vmmc1_supply.dev = mmc[0].dev;
  344. igep2_vmmc2_supply.dev = mmc[1].dev;
  345. /*
  346. * REVISIT: need ehci-omap hooks for external VBUS
  347. * power switch and overcurrent detect
  348. */
  349. if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) ||
  350. (gpio_direction_input(gpio + 1) < 0))
  351. pr_err("IGEP2: Could not obtain gpio for EHCI NOC");
  352. /*
  353. * TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN
  354. * (out, active low)
  355. */
  356. if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) ||
  357. (gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0))
  358. pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
  359. /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
  360. #if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
  361. if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
  362. && (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) {
  363. gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
  364. gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0);
  365. } else
  366. pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_GREEN\n");
  367. #else
  368. igep2_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
  369. #endif
  370. return 0;
  371. };
  372. static struct twl4030_gpio_platform_data igep2_twl4030_gpio_pdata = {
  373. .gpio_base = OMAP_MAX_GPIO_LINES,
  374. .irq_base = TWL4030_GPIO_IRQ_BASE,
  375. .irq_end = TWL4030_GPIO_IRQ_END,
  376. .use_leds = true,
  377. .setup = igep2_twl_gpio_setup,
  378. };
  379. static struct twl4030_usb_data igep2_usb_data = {
  380. .usb_mode = T2_USB_MODE_ULPI,
  381. };
  382. static int igep2_enable_dvi(struct omap_dss_device *dssdev)
  383. {
  384. gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
  385. return 0;
  386. }
  387. static void igep2_disable_dvi(struct omap_dss_device *dssdev)
  388. {
  389. gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
  390. }
  391. static struct omap_dss_device igep2_dvi_device = {
  392. .type = OMAP_DISPLAY_TYPE_DPI,
  393. .name = "dvi",
  394. .driver_name = "generic_panel",
  395. .phy.dpi.data_lines = 24,
  396. .platform_enable = igep2_enable_dvi,
  397. .platform_disable = igep2_disable_dvi,
  398. };
  399. static struct omap_dss_device *igep2_dss_devices[] = {
  400. &igep2_dvi_device
  401. };
  402. static struct omap_dss_board_info igep2_dss_data = {
  403. .num_devices = ARRAY_SIZE(igep2_dss_devices),
  404. .devices = igep2_dss_devices,
  405. .default_device = &igep2_dvi_device,
  406. };
  407. static struct platform_device igep2_dss_device = {
  408. .name = "omapdss",
  409. .id = -1,
  410. .dev = {
  411. .platform_data = &igep2_dss_data,
  412. },
  413. };
  414. static struct regulator_consumer_supply igep2_vpll2_supply = {
  415. .supply = "vdds_dsi",
  416. .dev = &igep2_dss_device.dev,
  417. };
  418. static struct regulator_init_data igep2_vpll2 = {
  419. .constraints = {
  420. .name = "VDVI",
  421. .min_uV = 1800000,
  422. .max_uV = 1800000,
  423. .apply_uV = true,
  424. .valid_modes_mask = REGULATOR_MODE_NORMAL
  425. | REGULATOR_MODE_STANDBY,
  426. .valid_ops_mask = REGULATOR_CHANGE_MODE
  427. | REGULATOR_CHANGE_STATUS,
  428. },
  429. .num_consumer_supplies = 1,
  430. .consumer_supplies = &igep2_vpll2_supply,
  431. };
  432. static void __init igep2_display_init(void)
  433. {
  434. if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
  435. gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
  436. pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
  437. }
  438. static struct platform_device *igep2_devices[] __initdata = {
  439. &igep2_dss_device,
  440. };
  441. static void __init igep2_init_irq(void)
  442. {
  443. omap_board_config = igep2_config;
  444. omap_board_config_size = ARRAY_SIZE(igep2_config);
  445. omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
  446. omap_init_irq();
  447. omap_gpio_init();
  448. }
  449. static struct twl4030_codec_audio_data igep2_audio_data = {
  450. .audio_mclk = 26000000,
  451. };
  452. static struct twl4030_codec_data igep2_codec_data = {
  453. .audio_mclk = 26000000,
  454. .audio = &igep2_audio_data,
  455. };
  456. static struct twl4030_platform_data igep2_twldata = {
  457. .irq_base = TWL4030_IRQ_BASE,
  458. .irq_end = TWL4030_IRQ_END,
  459. /* platform_data for children goes here */
  460. .usb = &igep2_usb_data,
  461. .codec = &igep2_codec_data,
  462. .gpio = &igep2_twl4030_gpio_pdata,
  463. .vmmc1 = &igep2_vmmc1,
  464. .vmmc2 = &igep2_vmmc2,
  465. .vpll2 = &igep2_vpll2,
  466. };
  467. static struct i2c_board_info __initdata igep2_i2c1_boardinfo[] = {
  468. {
  469. I2C_BOARD_INFO("twl4030", 0x48),
  470. .flags = I2C_CLIENT_WAKE,
  471. .irq = INT_34XX_SYS_NIRQ,
  472. .platform_data = &igep2_twldata,
  473. },
  474. };
  475. static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
  476. {
  477. I2C_BOARD_INFO("eeprom", 0x50),
  478. },
  479. };
  480. static void __init igep2_i2c_init(void)
  481. {
  482. int ret;
  483. ret = omap_register_i2c_bus(1, 2600, igep2_i2c1_boardinfo,
  484. ARRAY_SIZE(igep2_i2c1_boardinfo));
  485. if (ret)
  486. pr_warning("IGEP2: Could not register I2C1 bus (%d)\n", ret);
  487. /*
  488. * Bus 3 is attached to the DVI port where devices like the pico DLP
  489. * projector don't work reliably with 400kHz
  490. */
  491. ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
  492. ARRAY_SIZE(igep2_i2c3_boardinfo));
  493. if (ret)
  494. pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
  495. }
  496. static struct omap_musb_board_data musb_board_data = {
  497. .interface_type = MUSB_INTERFACE_ULPI,
  498. .mode = MUSB_OTG,
  499. .power = 100,
  500. };
  501. static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
  502. .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
  503. .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
  504. .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
  505. .phy_reset = true,
  506. .reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
  507. .reset_gpio_port[1] = -EINVAL,
  508. .reset_gpio_port[2] = -EINVAL,
  509. };
  510. #ifdef CONFIG_OMAP_MUX
  511. static struct omap_board_mux board_mux[] __initdata = {
  512. { .reg_offset = OMAP_MUX_TERMINATOR },
  513. };
  514. #else
  515. #define board_mux NULL
  516. #endif
  517. #if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
  518. static void __init igep2_wlan_bt_init(void)
  519. {
  520. unsigned npd, wreset, btreset;
  521. /* GPIO's for WLAN-BT combo depends on hardware revision */
  522. if (hwrev == IGEP2_BOARD_HWREV_B) {
  523. npd = IGEP2_RB_GPIO_WIFI_NPD;
  524. wreset = IGEP2_RB_GPIO_WIFI_NRESET;
  525. btreset = IGEP2_RB_GPIO_BT_NRESET;
  526. } else if (hwrev == IGEP2_BOARD_HWREV_C) {
  527. npd = IGEP2_RC_GPIO_WIFI_NPD;
  528. wreset = IGEP2_RC_GPIO_WIFI_NRESET;
  529. btreset = IGEP2_RC_GPIO_BT_NRESET;
  530. } else
  531. return;
  532. /* Set GPIO's for WLAN-BT combo module */
  533. if ((gpio_request(npd, "GPIO_WIFI_NPD") == 0) &&
  534. (gpio_direction_output(npd, 1) == 0)) {
  535. gpio_export(npd, 0);
  536. } else
  537. pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NPD\n");
  538. if ((gpio_request(wreset, "GPIO_WIFI_NRESET") == 0) &&
  539. (gpio_direction_output(wreset, 1) == 0)) {
  540. gpio_export(wreset, 0);
  541. gpio_set_value(wreset, 0);
  542. udelay(10);
  543. gpio_set_value(wreset, 1);
  544. } else
  545. pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NRESET\n");
  546. if ((gpio_request(btreset, "GPIO_BT_NRESET") == 0) &&
  547. (gpio_direction_output(btreset, 1) == 0)) {
  548. gpio_export(btreset, 0);
  549. } else
  550. pr_warning("IGEP2: Could not obtain gpio GPIO_BT_NRESET\n");
  551. }
  552. #else
  553. static inline void __init igep2_wlan_bt_init(void) { }
  554. #endif
  555. static void __init igep2_init(void)
  556. {
  557. omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
  558. /* Get IGEP2 hardware revision */
  559. igep2_get_revision();
  560. /* Register I2C busses and drivers */
  561. igep2_i2c_init();
  562. platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
  563. omap_serial_init();
  564. usb_musb_init(&musb_board_data);
  565. usb_ehci_init(&ehci_pdata);
  566. igep2_flash_init();
  567. igep2_leds_init();
  568. igep2_display_init();
  569. igep2_init_smsc911x();
  570. /*
  571. * WLAN-BT combo module from MuRata wich has a Marvell WLAN
  572. * (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
  573. */
  574. igep2_wlan_bt_init();
  575. }
  576. MACHINE_START(IGEP0020, "IGEP v2 board")
  577. .phys_io = 0x48000000,
  578. .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc,
  579. .boot_params = 0x80000100,
  580. .map_io = omap3_map_io,
  581. .reserve = omap_reserve,
  582. .init_irq = igep2_init_irq,
  583. .init_machine = igep2_init,
  584. .timer = &omap_timer,
  585. MACHINE_END