board-dm646x-evm.c 18 KB

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  1. /*
  2. * TI DaVinci DM646X EVM board
  3. *
  4. * Derived from: arch/arm/mach-davinci/board-evm.c
  5. * Copyright (C) 2006 Texas Instruments.
  6. *
  7. * (C) 2007-2008, MontaVista Software, Inc.
  8. *
  9. * This file is licensed under the terms of the GNU General Public License
  10. * version 2. This program is licensed "as is" without any warranty of any
  11. * kind, whether express or implied.
  12. *
  13. */
  14. /**************************************************************************
  15. * Included Files
  16. **************************************************************************/
  17. #include <linux/kernel.h>
  18. #include <linux/init.h>
  19. #include <linux/leds.h>
  20. #include <linux/gpio.h>
  21. #include <linux/platform_device.h>
  22. #include <linux/i2c.h>
  23. #include <linux/i2c/at24.h>
  24. #include <linux/i2c/pcf857x.h>
  25. #include <media/tvp514x.h>
  26. #include <linux/mtd/mtd.h>
  27. #include <linux/mtd/nand.h>
  28. #include <linux/mtd/partitions.h>
  29. #include <linux/clk.h>
  30. #include <asm/mach-types.h>
  31. #include <asm/mach/arch.h>
  32. #include <mach/dm646x.h>
  33. #include <mach/common.h>
  34. #include <mach/serial.h>
  35. #include <mach/i2c.h>
  36. #include <mach/nand.h>
  37. #include <mach/clock.h>
  38. #include <mach/cdce949.h>
  39. #include <mach/aemif.h>
  40. #include "clock.h"
  41. #define NAND_BLOCK_SIZE SZ_128K
  42. /* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot
  43. * and U-Boot environment this avoids dependency on any particular combination
  44. * of UBL, U-Boot or flashing tools etc.
  45. */
  46. static struct mtd_partition davinci_nand_partitions[] = {
  47. {
  48. /* UBL, U-Boot with environment */
  49. .name = "bootloader",
  50. .offset = MTDPART_OFS_APPEND,
  51. .size = 16 * NAND_BLOCK_SIZE,
  52. .mask_flags = MTD_WRITEABLE, /* force read-only */
  53. }, {
  54. .name = "kernel",
  55. .offset = MTDPART_OFS_APPEND,
  56. .size = SZ_4M,
  57. .mask_flags = 0,
  58. }, {
  59. .name = "filesystem",
  60. .offset = MTDPART_OFS_APPEND,
  61. .size = MTDPART_SIZ_FULL,
  62. .mask_flags = 0,
  63. }
  64. };
  65. static struct davinci_aemif_timing dm6467tevm_nandflash_timing = {
  66. .wsetup = 29,
  67. .wstrobe = 24,
  68. .whold = 14,
  69. .rsetup = 19,
  70. .rstrobe = 33,
  71. .rhold = 0,
  72. .ta = 29,
  73. };
  74. static struct davinci_nand_pdata davinci_nand_data = {
  75. .mask_cle = 0x80000,
  76. .mask_ale = 0x40000,
  77. .parts = davinci_nand_partitions,
  78. .nr_parts = ARRAY_SIZE(davinci_nand_partitions),
  79. .ecc_mode = NAND_ECC_HW,
  80. .options = 0,
  81. };
  82. static struct resource davinci_nand_resources[] = {
  83. {
  84. .start = DM646X_ASYNC_EMIF_CS2_SPACE_BASE,
  85. .end = DM646X_ASYNC_EMIF_CS2_SPACE_BASE + SZ_32M - 1,
  86. .flags = IORESOURCE_MEM,
  87. }, {
  88. .start = DM646X_ASYNC_EMIF_CONTROL_BASE,
  89. .end = DM646X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
  90. .flags = IORESOURCE_MEM,
  91. },
  92. };
  93. static struct platform_device davinci_nand_device = {
  94. .name = "davinci_nand",
  95. .id = 0,
  96. .num_resources = ARRAY_SIZE(davinci_nand_resources),
  97. .resource = davinci_nand_resources,
  98. .dev = {
  99. .platform_data = &davinci_nand_data,
  100. },
  101. };
  102. #if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
  103. defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
  104. #define HAS_ATA 1
  105. #else
  106. #define HAS_ATA 0
  107. #endif
  108. /* CPLD Register 0 bits to control ATA */
  109. #define DM646X_EVM_ATA_RST BIT(0)
  110. #define DM646X_EVM_ATA_PWD BIT(1)
  111. /* CPLD Register 0 Client: used for I/O Control */
  112. static int cpld_reg0_probe(struct i2c_client *client,
  113. const struct i2c_device_id *id)
  114. {
  115. if (HAS_ATA) {
  116. u8 data;
  117. struct i2c_msg msg[2] = {
  118. {
  119. .addr = client->addr,
  120. .flags = I2C_M_RD,
  121. .len = 1,
  122. .buf = &data,
  123. },
  124. {
  125. .addr = client->addr,
  126. .flags = 0,
  127. .len = 1,
  128. .buf = &data,
  129. },
  130. };
  131. /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
  132. i2c_transfer(client->adapter, msg, 1);
  133. data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
  134. i2c_transfer(client->adapter, msg + 1, 1);
  135. }
  136. return 0;
  137. }
  138. static const struct i2c_device_id cpld_reg_ids[] = {
  139. { "cpld_reg0", 0, },
  140. { },
  141. };
  142. static struct i2c_driver dm6467evm_cpld_driver = {
  143. .driver.name = "cpld_reg0",
  144. .id_table = cpld_reg_ids,
  145. .probe = cpld_reg0_probe,
  146. };
  147. /* LEDS */
  148. static struct gpio_led evm_leds[] = {
  149. { .name = "DS1", .active_low = 1, },
  150. { .name = "DS2", .active_low = 1, },
  151. { .name = "DS3", .active_low = 1, },
  152. { .name = "DS4", .active_low = 1, },
  153. };
  154. static const struct gpio_led_platform_data evm_led_data = {
  155. .num_leds = ARRAY_SIZE(evm_leds),
  156. .leds = evm_leds,
  157. };
  158. static struct platform_device *evm_led_dev;
  159. static int evm_led_setup(struct i2c_client *client, int gpio,
  160. unsigned int ngpio, void *c)
  161. {
  162. struct gpio_led *leds = evm_leds;
  163. int status;
  164. while (ngpio--) {
  165. leds->gpio = gpio++;
  166. leds++;
  167. };
  168. evm_led_dev = platform_device_alloc("leds-gpio", 0);
  169. platform_device_add_data(evm_led_dev, &evm_led_data,
  170. sizeof(evm_led_data));
  171. evm_led_dev->dev.parent = &client->dev;
  172. status = platform_device_add(evm_led_dev);
  173. if (status < 0) {
  174. platform_device_put(evm_led_dev);
  175. evm_led_dev = NULL;
  176. }
  177. return status;
  178. }
  179. static int evm_led_teardown(struct i2c_client *client, int gpio,
  180. unsigned ngpio, void *c)
  181. {
  182. if (evm_led_dev) {
  183. platform_device_unregister(evm_led_dev);
  184. evm_led_dev = NULL;
  185. }
  186. return 0;
  187. }
  188. static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
  189. static int evm_sw_setup(struct i2c_client *client, int gpio,
  190. unsigned ngpio, void *c)
  191. {
  192. int status;
  193. int i;
  194. char label[10];
  195. for (i = 0; i < 4; ++i) {
  196. snprintf(label, 10, "user_sw%d", i);
  197. status = gpio_request(gpio, label);
  198. if (status)
  199. goto out_free;
  200. evm_sw_gpio[i] = gpio++;
  201. status = gpio_direction_input(evm_sw_gpio[i]);
  202. if (status) {
  203. gpio_free(evm_sw_gpio[i]);
  204. evm_sw_gpio[i] = -EINVAL;
  205. goto out_free;
  206. }
  207. status = gpio_export(evm_sw_gpio[i], 0);
  208. if (status) {
  209. gpio_free(evm_sw_gpio[i]);
  210. evm_sw_gpio[i] = -EINVAL;
  211. goto out_free;
  212. }
  213. }
  214. return status;
  215. out_free:
  216. for (i = 0; i < 4; ++i) {
  217. if (evm_sw_gpio[i] != -EINVAL) {
  218. gpio_free(evm_sw_gpio[i]);
  219. evm_sw_gpio[i] = -EINVAL;
  220. }
  221. }
  222. return status;
  223. }
  224. static int evm_sw_teardown(struct i2c_client *client, int gpio,
  225. unsigned ngpio, void *c)
  226. {
  227. int i;
  228. for (i = 0; i < 4; ++i) {
  229. if (evm_sw_gpio[i] != -EINVAL) {
  230. gpio_unexport(evm_sw_gpio[i]);
  231. gpio_free(evm_sw_gpio[i]);
  232. evm_sw_gpio[i] = -EINVAL;
  233. }
  234. }
  235. return 0;
  236. }
  237. static int evm_pcf_setup(struct i2c_client *client, int gpio,
  238. unsigned int ngpio, void *c)
  239. {
  240. int status;
  241. if (ngpio < 8)
  242. return -EINVAL;
  243. status = evm_sw_setup(client, gpio, 4, c);
  244. if (status)
  245. return status;
  246. return evm_led_setup(client, gpio+4, 4, c);
  247. }
  248. static int evm_pcf_teardown(struct i2c_client *client, int gpio,
  249. unsigned int ngpio, void *c)
  250. {
  251. BUG_ON(ngpio < 8);
  252. evm_sw_teardown(client, gpio, 4, c);
  253. evm_led_teardown(client, gpio+4, 4, c);
  254. return 0;
  255. }
  256. static struct pcf857x_platform_data pcf_data = {
  257. .gpio_base = DAVINCI_N_GPIO+1,
  258. .setup = evm_pcf_setup,
  259. .teardown = evm_pcf_teardown,
  260. };
  261. /* Most of this EEPROM is unused, but U-Boot uses some data:
  262. * - 0x7f00, 6 bytes Ethernet Address
  263. * - ... newer boards may have more
  264. */
  265. static struct at24_platform_data eeprom_info = {
  266. .byte_len = (256*1024) / 8,
  267. .page_size = 64,
  268. .flags = AT24_FLAG_ADDR16,
  269. .setup = davinci_get_mac_addr,
  270. .context = (void *)0x7f00,
  271. };
  272. static u8 dm646x_iis_serializer_direction[] = {
  273. TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
  274. };
  275. static u8 dm646x_dit_serializer_direction[] = {
  276. TX_MODE,
  277. };
  278. static struct snd_platform_data dm646x_evm_snd_data[] = {
  279. {
  280. .tx_dma_offset = 0x400,
  281. .rx_dma_offset = 0x400,
  282. .op_mode = DAVINCI_MCASP_IIS_MODE,
  283. .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
  284. .tdm_slots = 2,
  285. .serial_dir = dm646x_iis_serializer_direction,
  286. .asp_chan_q = EVENTQ_0,
  287. },
  288. {
  289. .tx_dma_offset = 0x400,
  290. .rx_dma_offset = 0,
  291. .op_mode = DAVINCI_MCASP_DIT_MODE,
  292. .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
  293. .tdm_slots = 32,
  294. .serial_dir = dm646x_dit_serializer_direction,
  295. .asp_chan_q = EVENTQ_0,
  296. },
  297. };
  298. static struct i2c_client *cpld_client;
  299. static int cpld_video_probe(struct i2c_client *client,
  300. const struct i2c_device_id *id)
  301. {
  302. cpld_client = client;
  303. return 0;
  304. }
  305. static int __devexit cpld_video_remove(struct i2c_client *client)
  306. {
  307. cpld_client = NULL;
  308. return 0;
  309. }
  310. static const struct i2c_device_id cpld_video_id[] = {
  311. { "cpld_video", 0 },
  312. { }
  313. };
  314. static struct i2c_driver cpld_video_driver = {
  315. .driver = {
  316. .name = "cpld_video",
  317. },
  318. .probe = cpld_video_probe,
  319. .remove = cpld_video_remove,
  320. .id_table = cpld_video_id,
  321. };
  322. static void evm_init_cpld(void)
  323. {
  324. i2c_add_driver(&cpld_video_driver);
  325. }
  326. static struct i2c_board_info __initdata i2c_info[] = {
  327. {
  328. I2C_BOARD_INFO("24c256", 0x50),
  329. .platform_data = &eeprom_info,
  330. },
  331. {
  332. I2C_BOARD_INFO("pcf8574a", 0x38),
  333. .platform_data = &pcf_data,
  334. },
  335. {
  336. I2C_BOARD_INFO("cpld_reg0", 0x3a),
  337. },
  338. {
  339. I2C_BOARD_INFO("tlv320aic33", 0x18),
  340. },
  341. {
  342. I2C_BOARD_INFO("cpld_video", 0x3b),
  343. },
  344. {
  345. I2C_BOARD_INFO("cdce949", 0x6c),
  346. },
  347. };
  348. static struct davinci_i2c_platform_data i2c_pdata = {
  349. .bus_freq = 100 /* kHz */,
  350. .bus_delay = 0 /* usec */,
  351. };
  352. #define VIDCLKCTL_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x38)
  353. #define VSCLKDIS_OFFSET (DAVINCI_SYSTEM_MODULE_BASE + 0x6c)
  354. #define VCH2CLK_MASK (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
  355. #define VCH2CLK_SYSCLK8 (BIT(9))
  356. #define VCH2CLK_AUXCLK (BIT(9) | BIT(8))
  357. #define VCH3CLK_MASK (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
  358. #define VCH3CLK_SYSCLK8 (BIT(13))
  359. #define VCH3CLK_AUXCLK (BIT(14) | BIT(13))
  360. #define VIDCH2CLK (BIT(10))
  361. #define VIDCH3CLK (BIT(11))
  362. #define VIDCH1CLK (BIT(4))
  363. #define TVP7002_INPUT (BIT(4))
  364. #define TVP5147_INPUT (~BIT(4))
  365. #define VPIF_INPUT_ONE_CHANNEL (BIT(5))
  366. #define VPIF_INPUT_TWO_CHANNEL (~BIT(5))
  367. #define TVP5147_CH0 "tvp514x-0"
  368. #define TVP5147_CH1 "tvp514x-1"
  369. static void __iomem *vpif_vidclkctl_reg;
  370. static void __iomem *vpif_vsclkdis_reg;
  371. /* spin lock for updating above registers */
  372. static spinlock_t vpif_reg_lock;
  373. static int set_vpif_clock(int mux_mode, int hd)
  374. {
  375. unsigned long flags;
  376. unsigned int value;
  377. int val = 0;
  378. int err = 0;
  379. if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg || !cpld_client)
  380. return -ENXIO;
  381. /* disable the clock */
  382. spin_lock_irqsave(&vpif_reg_lock, flags);
  383. value = __raw_readl(vpif_vsclkdis_reg);
  384. value |= (VIDCH3CLK | VIDCH2CLK);
  385. __raw_writel(value, vpif_vsclkdis_reg);
  386. spin_unlock_irqrestore(&vpif_reg_lock, flags);
  387. val = i2c_smbus_read_byte(cpld_client);
  388. if (val < 0)
  389. return val;
  390. if (mux_mode == 1)
  391. val &= ~0x40;
  392. else
  393. val |= 0x40;
  394. err = i2c_smbus_write_byte(cpld_client, val);
  395. if (err)
  396. return err;
  397. value = __raw_readl(vpif_vidclkctl_reg);
  398. value &= ~(VCH2CLK_MASK);
  399. value &= ~(VCH3CLK_MASK);
  400. if (hd >= 1)
  401. value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
  402. else
  403. value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
  404. __raw_writel(value, vpif_vidclkctl_reg);
  405. spin_lock_irqsave(&vpif_reg_lock, flags);
  406. value = __raw_readl(vpif_vsclkdis_reg);
  407. /* enable the clock */
  408. value &= ~(VIDCH3CLK | VIDCH2CLK);
  409. __raw_writel(value, vpif_vsclkdis_reg);
  410. spin_unlock_irqrestore(&vpif_reg_lock, flags);
  411. return 0;
  412. }
  413. static struct vpif_subdev_info dm646x_vpif_subdev[] = {
  414. {
  415. .name = "adv7343",
  416. .board_info = {
  417. I2C_BOARD_INFO("adv7343", 0x2a),
  418. },
  419. },
  420. {
  421. .name = "ths7303",
  422. .board_info = {
  423. I2C_BOARD_INFO("ths7303", 0x2c),
  424. },
  425. },
  426. };
  427. static const char *output[] = {
  428. "Composite",
  429. "Component",
  430. "S-Video",
  431. };
  432. static struct vpif_display_config dm646x_vpif_display_config = {
  433. .set_clock = set_vpif_clock,
  434. .subdevinfo = dm646x_vpif_subdev,
  435. .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev),
  436. .output = output,
  437. .output_count = ARRAY_SIZE(output),
  438. .card_name = "DM646x EVM",
  439. };
  440. /**
  441. * setup_vpif_input_path()
  442. * @channel: channel id (0 - CH0, 1 - CH1)
  443. * @sub_dev_name: ptr sub device name
  444. *
  445. * This will set vpif input to capture data from tvp514x or
  446. * tvp7002.
  447. */
  448. static int setup_vpif_input_path(int channel, const char *sub_dev_name)
  449. {
  450. int err = 0;
  451. int val;
  452. /* for channel 1, we don't do anything */
  453. if (channel != 0)
  454. return 0;
  455. if (!cpld_client)
  456. return -ENXIO;
  457. val = i2c_smbus_read_byte(cpld_client);
  458. if (val < 0)
  459. return val;
  460. if (!strcmp(sub_dev_name, TVP5147_CH0) ||
  461. !strcmp(sub_dev_name, TVP5147_CH1))
  462. val &= TVP5147_INPUT;
  463. else
  464. val |= TVP7002_INPUT;
  465. err = i2c_smbus_write_byte(cpld_client, val);
  466. if (err)
  467. return err;
  468. return 0;
  469. }
  470. /**
  471. * setup_vpif_input_channel_mode()
  472. * @mux_mode: mux mode. 0 - 1 channel or (1) - 2 channel
  473. *
  474. * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
  475. */
  476. static int setup_vpif_input_channel_mode(int mux_mode)
  477. {
  478. unsigned long flags;
  479. int err = 0;
  480. int val;
  481. u32 value;
  482. if (!vpif_vsclkdis_reg || !cpld_client)
  483. return -ENXIO;
  484. val = i2c_smbus_read_byte(cpld_client);
  485. if (val < 0)
  486. return val;
  487. spin_lock_irqsave(&vpif_reg_lock, flags);
  488. value = __raw_readl(vpif_vsclkdis_reg);
  489. if (mux_mode) {
  490. val &= VPIF_INPUT_TWO_CHANNEL;
  491. value |= VIDCH1CLK;
  492. } else {
  493. val |= VPIF_INPUT_ONE_CHANNEL;
  494. value &= ~VIDCH1CLK;
  495. }
  496. __raw_writel(value, vpif_vsclkdis_reg);
  497. spin_unlock_irqrestore(&vpif_reg_lock, flags);
  498. err = i2c_smbus_write_byte(cpld_client, val);
  499. if (err)
  500. return err;
  501. return 0;
  502. }
  503. static struct tvp514x_platform_data tvp5146_pdata = {
  504. .clk_polarity = 0,
  505. .hs_polarity = 1,
  506. .vs_polarity = 1
  507. };
  508. #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
  509. static struct vpif_subdev_info vpif_capture_sdev_info[] = {
  510. {
  511. .name = TVP5147_CH0,
  512. .board_info = {
  513. I2C_BOARD_INFO("tvp5146", 0x5d),
  514. .platform_data = &tvp5146_pdata,
  515. },
  516. .input = INPUT_CVBS_VI2B,
  517. .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
  518. .can_route = 1,
  519. .vpif_if = {
  520. .if_type = VPIF_IF_BT656,
  521. .hd_pol = 1,
  522. .vd_pol = 1,
  523. .fid_pol = 0,
  524. },
  525. },
  526. {
  527. .name = TVP5147_CH1,
  528. .board_info = {
  529. I2C_BOARD_INFO("tvp5146", 0x5c),
  530. .platform_data = &tvp5146_pdata,
  531. },
  532. .input = INPUT_SVIDEO_VI2C_VI1C,
  533. .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
  534. .can_route = 1,
  535. .vpif_if = {
  536. .if_type = VPIF_IF_BT656,
  537. .hd_pol = 1,
  538. .vd_pol = 1,
  539. .fid_pol = 0,
  540. },
  541. },
  542. };
  543. static const struct vpif_input dm6467_ch0_inputs[] = {
  544. {
  545. .input = {
  546. .index = 0,
  547. .name = "Composite",
  548. .type = V4L2_INPUT_TYPE_CAMERA,
  549. .std = TVP514X_STD_ALL,
  550. },
  551. .subdev_name = TVP5147_CH0,
  552. },
  553. };
  554. static const struct vpif_input dm6467_ch1_inputs[] = {
  555. {
  556. .input = {
  557. .index = 0,
  558. .name = "S-Video",
  559. .type = V4L2_INPUT_TYPE_CAMERA,
  560. .std = TVP514X_STD_ALL,
  561. },
  562. .subdev_name = TVP5147_CH1,
  563. },
  564. };
  565. static struct vpif_capture_config dm646x_vpif_capture_cfg = {
  566. .setup_input_path = setup_vpif_input_path,
  567. .setup_input_channel_mode = setup_vpif_input_channel_mode,
  568. .subdev_info = vpif_capture_sdev_info,
  569. .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
  570. .chan_config[0] = {
  571. .inputs = dm6467_ch0_inputs,
  572. .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
  573. },
  574. .chan_config[1] = {
  575. .inputs = dm6467_ch1_inputs,
  576. .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
  577. },
  578. };
  579. static void __init evm_init_video(void)
  580. {
  581. vpif_vidclkctl_reg = ioremap(VIDCLKCTL_OFFSET, 4);
  582. vpif_vsclkdis_reg = ioremap(VSCLKDIS_OFFSET, 4);
  583. if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg) {
  584. pr_err("Can't map VPIF VIDCLKCTL or VSCLKDIS registers\n");
  585. return;
  586. }
  587. spin_lock_init(&vpif_reg_lock);
  588. dm646x_setup_vpif(&dm646x_vpif_display_config,
  589. &dm646x_vpif_capture_cfg);
  590. }
  591. static void __init evm_init_i2c(void)
  592. {
  593. davinci_init_i2c(&i2c_pdata);
  594. i2c_add_driver(&dm6467evm_cpld_driver);
  595. i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
  596. evm_init_cpld();
  597. evm_init_video();
  598. }
  599. #define CDCE949_XIN_RATE 27000000
  600. /* CDCE949 support - "lpsc" field is overridden to work as clock number */
  601. static struct clk cdce_clk_in = {
  602. .name = "cdce_xin",
  603. .rate = CDCE949_XIN_RATE,
  604. };
  605. static struct clk_lookup cdce_clks[] = {
  606. CLK(NULL, "xin", &cdce_clk_in),
  607. CLK(NULL, NULL, NULL),
  608. };
  609. static void __init cdce_clk_init(void)
  610. {
  611. struct clk_lookup *c;
  612. struct clk *clk;
  613. for (c = cdce_clks; c->clk; c++) {
  614. clk = c->clk;
  615. clkdev_add(c);
  616. clk_register(clk);
  617. }
  618. }
  619. #define DM6467T_EVM_REF_FREQ 33000000
  620. static void __init davinci_map_io(void)
  621. {
  622. dm646x_init();
  623. if (machine_is_davinci_dm6467tevm())
  624. davinci_set_refclk_rate(DM6467T_EVM_REF_FREQ);
  625. cdce_clk_init();
  626. }
  627. static struct davinci_uart_config uart_config __initdata = {
  628. .enabled_uarts = (1 << 0),
  629. };
  630. #define DM646X_EVM_PHY_ID "0:01"
  631. /*
  632. * The following EDMA channels/slots are not being used by drivers (for
  633. * example: Timer, GPIO, UART events etc) on dm646x, hence they are being
  634. * reserved for codecs on the DSP side.
  635. */
  636. static const s16 dm646x_dma_rsv_chans[][2] = {
  637. /* (offset, number) */
  638. { 0, 4},
  639. {13, 3},
  640. {24, 4},
  641. {30, 2},
  642. {54, 3},
  643. {-1, -1}
  644. };
  645. static const s16 dm646x_dma_rsv_slots[][2] = {
  646. /* (offset, number) */
  647. { 0, 4},
  648. {13, 3},
  649. {24, 4},
  650. {30, 2},
  651. {54, 3},
  652. {128, 384},
  653. {-1, -1}
  654. };
  655. static struct edma_rsv_info dm646x_edma_rsv[] = {
  656. {
  657. .rsv_chans = dm646x_dma_rsv_chans,
  658. .rsv_slots = dm646x_dma_rsv_slots,
  659. },
  660. };
  661. static __init void evm_init(void)
  662. {
  663. struct davinci_soc_info *soc_info = &davinci_soc_info;
  664. evm_init_i2c();
  665. davinci_serial_init(&uart_config);
  666. dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
  667. dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
  668. if (machine_is_davinci_dm6467tevm())
  669. davinci_nand_data.timing = &dm6467tevm_nandflash_timing;
  670. platform_device_register(&davinci_nand_device);
  671. dm646x_init_edma(dm646x_edma_rsv);
  672. if (HAS_ATA)
  673. davinci_init_ide();
  674. soc_info->emac_pdata->phy_id = DM646X_EVM_PHY_ID;
  675. }
  676. MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
  677. .boot_params = (0x80000100),
  678. .map_io = davinci_map_io,
  679. .init_irq = davinci_irq_init,
  680. .timer = &davinci_timer,
  681. .init_machine = evm_init,
  682. .dma_zone_size = SZ_128M,
  683. MACHINE_END
  684. MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
  685. .boot_params = (0x80000100),
  686. .map_io = davinci_map_io,
  687. .init_irq = davinci_irq_init,
  688. .timer = &davinci_timer,
  689. .init_machine = evm_init,
  690. .dma_zone_size = SZ_128M,
  691. MACHINE_END