at91sam9263_devices.c 36 KB

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  1. /*
  2. * arch/arm/mach-at91/at91sam9263_devices.c
  3. *
  4. * Copyright (C) 2007 Atmel Corporation.
  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 as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. */
  12. #include <asm/mach/arch.h>
  13. #include <asm/mach/map.h>
  14. #include <linux/dma-mapping.h>
  15. #include <linux/platform_device.h>
  16. #include <linux/i2c-gpio.h>
  17. #include <linux/fb.h>
  18. #include <video/atmel_lcdc.h>
  19. #include <mach/board.h>
  20. #include <mach/gpio.h>
  21. #include <mach/at91sam9263.h>
  22. #include <mach/at91sam9263_matrix.h>
  23. #include <mach/at91sam9_smc.h>
  24. #include "generic.h"
  25. /* --------------------------------------------------------------------
  26. * USB Host
  27. * -------------------------------------------------------------------- */
  28. #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  29. static u64 ohci_dmamask = DMA_BIT_MASK(32);
  30. static struct at91_usbh_data usbh_data;
  31. static struct resource usbh_resources[] = {
  32. [0] = {
  33. .start = AT91SAM9263_UHP_BASE,
  34. .end = AT91SAM9263_UHP_BASE + SZ_1M - 1,
  35. .flags = IORESOURCE_MEM,
  36. },
  37. [1] = {
  38. .start = AT91SAM9263_ID_UHP,
  39. .end = AT91SAM9263_ID_UHP,
  40. .flags = IORESOURCE_IRQ,
  41. },
  42. };
  43. static struct platform_device at91_usbh_device = {
  44. .name = "at91_ohci",
  45. .id = -1,
  46. .dev = {
  47. .dma_mask = &ohci_dmamask,
  48. .coherent_dma_mask = DMA_BIT_MASK(32),
  49. .platform_data = &usbh_data,
  50. },
  51. .resource = usbh_resources,
  52. .num_resources = ARRAY_SIZE(usbh_resources),
  53. };
  54. void __init at91_add_device_usbh(struct at91_usbh_data *data)
  55. {
  56. int i;
  57. if (!data)
  58. return;
  59. /* Enable VBus control for UHP ports */
  60. for (i = 0; i < data->ports; i++) {
  61. if (data->vbus_pin[i])
  62. at91_set_gpio_output(data->vbus_pin[i], 0);
  63. }
  64. /* Enable overcurrent notification */
  65. for (i = 0; i < data->ports; i++) {
  66. if (data->overcurrent_pin[i])
  67. at91_set_gpio_input(data->overcurrent_pin[i], 1);
  68. }
  69. usbh_data = *data;
  70. platform_device_register(&at91_usbh_device);
  71. }
  72. #else
  73. void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
  74. #endif
  75. /* --------------------------------------------------------------------
  76. * USB Device (Gadget)
  77. * -------------------------------------------------------------------- */
  78. #ifdef CONFIG_USB_GADGET_AT91
  79. static struct at91_udc_data udc_data;
  80. static struct resource udc_resources[] = {
  81. [0] = {
  82. .start = AT91SAM9263_BASE_UDP,
  83. .end = AT91SAM9263_BASE_UDP + SZ_16K - 1,
  84. .flags = IORESOURCE_MEM,
  85. },
  86. [1] = {
  87. .start = AT91SAM9263_ID_UDP,
  88. .end = AT91SAM9263_ID_UDP,
  89. .flags = IORESOURCE_IRQ,
  90. },
  91. };
  92. static struct platform_device at91_udc_device = {
  93. .name = "at91_udc",
  94. .id = -1,
  95. .dev = {
  96. .platform_data = &udc_data,
  97. },
  98. .resource = udc_resources,
  99. .num_resources = ARRAY_SIZE(udc_resources),
  100. };
  101. void __init at91_add_device_udc(struct at91_udc_data *data)
  102. {
  103. if (!data)
  104. return;
  105. if (data->vbus_pin) {
  106. at91_set_gpio_input(data->vbus_pin, 0);
  107. at91_set_deglitch(data->vbus_pin, 1);
  108. }
  109. /* Pullup pin is handled internally by USB device peripheral */
  110. udc_data = *data;
  111. platform_device_register(&at91_udc_device);
  112. }
  113. #else
  114. void __init at91_add_device_udc(struct at91_udc_data *data) {}
  115. #endif
  116. /* --------------------------------------------------------------------
  117. * Ethernet
  118. * -------------------------------------------------------------------- */
  119. #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
  120. static u64 eth_dmamask = DMA_BIT_MASK(32);
  121. static struct at91_eth_data eth_data;
  122. static struct resource eth_resources[] = {
  123. [0] = {
  124. .start = AT91SAM9263_BASE_EMAC,
  125. .end = AT91SAM9263_BASE_EMAC + SZ_16K - 1,
  126. .flags = IORESOURCE_MEM,
  127. },
  128. [1] = {
  129. .start = AT91SAM9263_ID_EMAC,
  130. .end = AT91SAM9263_ID_EMAC,
  131. .flags = IORESOURCE_IRQ,
  132. },
  133. };
  134. static struct platform_device at91sam9263_eth_device = {
  135. .name = "macb",
  136. .id = -1,
  137. .dev = {
  138. .dma_mask = &eth_dmamask,
  139. .coherent_dma_mask = DMA_BIT_MASK(32),
  140. .platform_data = &eth_data,
  141. },
  142. .resource = eth_resources,
  143. .num_resources = ARRAY_SIZE(eth_resources),
  144. };
  145. void __init at91_add_device_eth(struct at91_eth_data *data)
  146. {
  147. if (!data)
  148. return;
  149. if (data->phy_irq_pin) {
  150. at91_set_gpio_input(data->phy_irq_pin, 0);
  151. at91_set_deglitch(data->phy_irq_pin, 1);
  152. }
  153. /* Pins used for MII and RMII */
  154. at91_set_A_periph(AT91_PIN_PE21, 0); /* ETXCK_EREFCK */
  155. at91_set_B_periph(AT91_PIN_PC25, 0); /* ERXDV */
  156. at91_set_A_periph(AT91_PIN_PE25, 0); /* ERX0 */
  157. at91_set_A_periph(AT91_PIN_PE26, 0); /* ERX1 */
  158. at91_set_A_periph(AT91_PIN_PE27, 0); /* ERXER */
  159. at91_set_A_periph(AT91_PIN_PE28, 0); /* ETXEN */
  160. at91_set_A_periph(AT91_PIN_PE23, 0); /* ETX0 */
  161. at91_set_A_periph(AT91_PIN_PE24, 0); /* ETX1 */
  162. at91_set_A_periph(AT91_PIN_PE30, 0); /* EMDIO */
  163. at91_set_A_periph(AT91_PIN_PE29, 0); /* EMDC */
  164. if (!data->is_rmii) {
  165. at91_set_A_periph(AT91_PIN_PE22, 0); /* ECRS */
  166. at91_set_B_periph(AT91_PIN_PC26, 0); /* ECOL */
  167. at91_set_B_periph(AT91_PIN_PC22, 0); /* ERX2 */
  168. at91_set_B_periph(AT91_PIN_PC23, 0); /* ERX3 */
  169. at91_set_B_periph(AT91_PIN_PC27, 0); /* ERXCK */
  170. at91_set_B_periph(AT91_PIN_PC20, 0); /* ETX2 */
  171. at91_set_B_periph(AT91_PIN_PC21, 0); /* ETX3 */
  172. at91_set_B_periph(AT91_PIN_PC24, 0); /* ETXER */
  173. }
  174. eth_data = *data;
  175. platform_device_register(&at91sam9263_eth_device);
  176. }
  177. #else
  178. void __init at91_add_device_eth(struct at91_eth_data *data) {}
  179. #endif
  180. /* --------------------------------------------------------------------
  181. * MMC / SD
  182. * -------------------------------------------------------------------- */
  183. #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
  184. static u64 mmc_dmamask = DMA_BIT_MASK(32);
  185. static struct at91_mmc_data mmc0_data, mmc1_data;
  186. static struct resource mmc0_resources[] = {
  187. [0] = {
  188. .start = AT91SAM9263_BASE_MCI0,
  189. .end = AT91SAM9263_BASE_MCI0 + SZ_16K - 1,
  190. .flags = IORESOURCE_MEM,
  191. },
  192. [1] = {
  193. .start = AT91SAM9263_ID_MCI0,
  194. .end = AT91SAM9263_ID_MCI0,
  195. .flags = IORESOURCE_IRQ,
  196. },
  197. };
  198. static struct platform_device at91sam9263_mmc0_device = {
  199. .name = "at91_mci",
  200. .id = 0,
  201. .dev = {
  202. .dma_mask = &mmc_dmamask,
  203. .coherent_dma_mask = DMA_BIT_MASK(32),
  204. .platform_data = &mmc0_data,
  205. },
  206. .resource = mmc0_resources,
  207. .num_resources = ARRAY_SIZE(mmc0_resources),
  208. };
  209. static struct resource mmc1_resources[] = {
  210. [0] = {
  211. .start = AT91SAM9263_BASE_MCI1,
  212. .end = AT91SAM9263_BASE_MCI1 + SZ_16K - 1,
  213. .flags = IORESOURCE_MEM,
  214. },
  215. [1] = {
  216. .start = AT91SAM9263_ID_MCI1,
  217. .end = AT91SAM9263_ID_MCI1,
  218. .flags = IORESOURCE_IRQ,
  219. },
  220. };
  221. static struct platform_device at91sam9263_mmc1_device = {
  222. .name = "at91_mci",
  223. .id = 1,
  224. .dev = {
  225. .dma_mask = &mmc_dmamask,
  226. .coherent_dma_mask = DMA_BIT_MASK(32),
  227. .platform_data = &mmc1_data,
  228. },
  229. .resource = mmc1_resources,
  230. .num_resources = ARRAY_SIZE(mmc1_resources),
  231. };
  232. void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
  233. {
  234. if (!data)
  235. return;
  236. /* input/irq */
  237. if (data->det_pin) {
  238. at91_set_gpio_input(data->det_pin, 1);
  239. at91_set_deglitch(data->det_pin, 1);
  240. }
  241. if (data->wp_pin)
  242. at91_set_gpio_input(data->wp_pin, 1);
  243. if (data->vcc_pin)
  244. at91_set_gpio_output(data->vcc_pin, 0);
  245. if (mmc_id == 0) { /* MCI0 */
  246. /* CLK */
  247. at91_set_A_periph(AT91_PIN_PA12, 0);
  248. if (data->slot_b) {
  249. /* CMD */
  250. at91_set_A_periph(AT91_PIN_PA16, 1);
  251. /* DAT0, maybe DAT1..DAT3 */
  252. at91_set_A_periph(AT91_PIN_PA17, 1);
  253. if (data->wire4) {
  254. at91_set_A_periph(AT91_PIN_PA18, 1);
  255. at91_set_A_periph(AT91_PIN_PA19, 1);
  256. at91_set_A_periph(AT91_PIN_PA20, 1);
  257. }
  258. } else {
  259. /* CMD */
  260. at91_set_A_periph(AT91_PIN_PA1, 1);
  261. /* DAT0, maybe DAT1..DAT3 */
  262. at91_set_A_periph(AT91_PIN_PA0, 1);
  263. if (data->wire4) {
  264. at91_set_A_periph(AT91_PIN_PA3, 1);
  265. at91_set_A_periph(AT91_PIN_PA4, 1);
  266. at91_set_A_periph(AT91_PIN_PA5, 1);
  267. }
  268. }
  269. mmc0_data = *data;
  270. platform_device_register(&at91sam9263_mmc0_device);
  271. } else { /* MCI1 */
  272. /* CLK */
  273. at91_set_A_periph(AT91_PIN_PA6, 0);
  274. if (data->slot_b) {
  275. /* CMD */
  276. at91_set_A_periph(AT91_PIN_PA21, 1);
  277. /* DAT0, maybe DAT1..DAT3 */
  278. at91_set_A_periph(AT91_PIN_PA22, 1);
  279. if (data->wire4) {
  280. at91_set_A_periph(AT91_PIN_PA23, 1);
  281. at91_set_A_periph(AT91_PIN_PA24, 1);
  282. at91_set_A_periph(AT91_PIN_PA25, 1);
  283. }
  284. } else {
  285. /* CMD */
  286. at91_set_A_periph(AT91_PIN_PA7, 1);
  287. /* DAT0, maybe DAT1..DAT3 */
  288. at91_set_A_periph(AT91_PIN_PA8, 1);
  289. if (data->wire4) {
  290. at91_set_A_periph(AT91_PIN_PA9, 1);
  291. at91_set_A_periph(AT91_PIN_PA10, 1);
  292. at91_set_A_periph(AT91_PIN_PA11, 1);
  293. }
  294. }
  295. mmc1_data = *data;
  296. platform_device_register(&at91sam9263_mmc1_device);
  297. }
  298. }
  299. #else
  300. void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
  301. #endif
  302. /* --------------------------------------------------------------------
  303. * Compact Flash (PCMCIA or IDE)
  304. * -------------------------------------------------------------------- */
  305. #if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) || \
  306. defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE)
  307. static struct at91_cf_data cf0_data;
  308. static struct resource cf0_resources[] = {
  309. [0] = {
  310. .start = AT91_CHIPSELECT_4,
  311. .end = AT91_CHIPSELECT_4 + SZ_256M - 1,
  312. .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
  313. }
  314. };
  315. static struct platform_device cf0_device = {
  316. .id = 0,
  317. .dev = {
  318. .platform_data = &cf0_data,
  319. },
  320. .resource = cf0_resources,
  321. .num_resources = ARRAY_SIZE(cf0_resources),
  322. };
  323. static struct at91_cf_data cf1_data;
  324. static struct resource cf1_resources[] = {
  325. [0] = {
  326. .start = AT91_CHIPSELECT_5,
  327. .end = AT91_CHIPSELECT_5 + SZ_256M - 1,
  328. .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT,
  329. }
  330. };
  331. static struct platform_device cf1_device = {
  332. .id = 1,
  333. .dev = {
  334. .platform_data = &cf1_data,
  335. },
  336. .resource = cf1_resources,
  337. .num_resources = ARRAY_SIZE(cf1_resources),
  338. };
  339. void __init at91_add_device_cf(struct at91_cf_data *data)
  340. {
  341. unsigned long ebi0_csa;
  342. struct platform_device *pdev;
  343. if (!data)
  344. return;
  345. /*
  346. * assign CS4 or CS5 to SMC with Compact Flash logic support,
  347. * we assume SMC timings are configured by board code,
  348. * except True IDE where timings are controlled by driver
  349. */
  350. ebi0_csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
  351. switch (data->chipselect) {
  352. case 4:
  353. at91_set_A_periph(AT91_PIN_PD6, 0); /* EBI0_NCS4/CFCS0 */
  354. ebi0_csa |= AT91_MATRIX_EBI0_CS4A_SMC_CF1;
  355. cf0_data = *data;
  356. pdev = &cf0_device;
  357. break;
  358. case 5:
  359. at91_set_A_periph(AT91_PIN_PD7, 0); /* EBI0_NCS5/CFCS1 */
  360. ebi0_csa |= AT91_MATRIX_EBI0_CS5A_SMC_CF2;
  361. cf1_data = *data;
  362. pdev = &cf1_device;
  363. break;
  364. default:
  365. printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n",
  366. data->chipselect);
  367. return;
  368. }
  369. at91_sys_write(AT91_MATRIX_EBI0CSA, ebi0_csa);
  370. if (data->det_pin) {
  371. at91_set_gpio_input(data->det_pin, 1);
  372. at91_set_deglitch(data->det_pin, 1);
  373. }
  374. if (data->irq_pin) {
  375. at91_set_gpio_input(data->irq_pin, 1);
  376. at91_set_deglitch(data->irq_pin, 1);
  377. }
  378. if (data->vcc_pin)
  379. /* initially off */
  380. at91_set_gpio_output(data->vcc_pin, 0);
  381. /* enable EBI controlled pins */
  382. at91_set_A_periph(AT91_PIN_PD5, 1); /* NWAIT */
  383. at91_set_A_periph(AT91_PIN_PD8, 0); /* CFCE1 */
  384. at91_set_A_periph(AT91_PIN_PD9, 0); /* CFCE2 */
  385. at91_set_A_periph(AT91_PIN_PD14, 0); /* CFNRW */
  386. pdev->name = (data->flags & AT91_CF_TRUE_IDE) ? "at91_ide" : "at91_cf";
  387. platform_device_register(pdev);
  388. }
  389. #else
  390. void __init at91_add_device_cf(struct at91_cf_data *data) {}
  391. #endif
  392. /* --------------------------------------------------------------------
  393. * NAND / SmartMedia
  394. * -------------------------------------------------------------------- */
  395. #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
  396. static struct atmel_nand_data nand_data;
  397. #define NAND_BASE AT91_CHIPSELECT_3
  398. static struct resource nand_resources[] = {
  399. [0] = {
  400. .start = NAND_BASE,
  401. .end = NAND_BASE + SZ_256M - 1,
  402. .flags = IORESOURCE_MEM,
  403. },
  404. [1] = {
  405. .start = AT91_BASE_SYS + AT91_ECC0,
  406. .end = AT91_BASE_SYS + AT91_ECC0 + SZ_512 - 1,
  407. .flags = IORESOURCE_MEM,
  408. }
  409. };
  410. static struct platform_device at91sam9263_nand_device = {
  411. .name = "atmel_nand",
  412. .id = -1,
  413. .dev = {
  414. .platform_data = &nand_data,
  415. },
  416. .resource = nand_resources,
  417. .num_resources = ARRAY_SIZE(nand_resources),
  418. };
  419. void __init at91_add_device_nand(struct atmel_nand_data *data)
  420. {
  421. unsigned long csa;
  422. if (!data)
  423. return;
  424. csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
  425. at91_sys_write(AT91_MATRIX_EBI0CSA, csa | AT91_MATRIX_EBI0_CS3A_SMC_SMARTMEDIA);
  426. /* enable pin */
  427. if (data->enable_pin)
  428. at91_set_gpio_output(data->enable_pin, 1);
  429. /* ready/busy pin */
  430. if (data->rdy_pin)
  431. at91_set_gpio_input(data->rdy_pin, 1);
  432. /* card detect pin */
  433. if (data->det_pin)
  434. at91_set_gpio_input(data->det_pin, 1);
  435. nand_data = *data;
  436. platform_device_register(&at91sam9263_nand_device);
  437. }
  438. #else
  439. void __init at91_add_device_nand(struct atmel_nand_data *data) {}
  440. #endif
  441. /* --------------------------------------------------------------------
  442. * TWI (i2c)
  443. * -------------------------------------------------------------------- */
  444. /*
  445. * Prefer the GPIO code since the TWI controller isn't robust
  446. * (gets overruns and underruns under load) and can only issue
  447. * repeated STARTs in one scenario (the driver doesn't yet handle them).
  448. */
  449. #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
  450. static struct i2c_gpio_platform_data pdata = {
  451. .sda_pin = AT91_PIN_PB4,
  452. .sda_is_open_drain = 1,
  453. .scl_pin = AT91_PIN_PB5,
  454. .scl_is_open_drain = 1,
  455. .udelay = 2, /* ~100 kHz */
  456. };
  457. static struct platform_device at91sam9263_twi_device = {
  458. .name = "i2c-gpio",
  459. .id = -1,
  460. .dev.platform_data = &pdata,
  461. };
  462. void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
  463. {
  464. at91_set_GPIO_periph(AT91_PIN_PB4, 1); /* TWD (SDA) */
  465. at91_set_multi_drive(AT91_PIN_PB4, 1);
  466. at91_set_GPIO_periph(AT91_PIN_PB5, 1); /* TWCK (SCL) */
  467. at91_set_multi_drive(AT91_PIN_PB5, 1);
  468. i2c_register_board_info(0, devices, nr_devices);
  469. platform_device_register(&at91sam9263_twi_device);
  470. }
  471. #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
  472. static struct resource twi_resources[] = {
  473. [0] = {
  474. .start = AT91SAM9263_BASE_TWI,
  475. .end = AT91SAM9263_BASE_TWI + SZ_16K - 1,
  476. .flags = IORESOURCE_MEM,
  477. },
  478. [1] = {
  479. .start = AT91SAM9263_ID_TWI,
  480. .end = AT91SAM9263_ID_TWI,
  481. .flags = IORESOURCE_IRQ,
  482. },
  483. };
  484. static struct platform_device at91sam9263_twi_device = {
  485. .name = "at91_i2c",
  486. .id = -1,
  487. .resource = twi_resources,
  488. .num_resources = ARRAY_SIZE(twi_resources),
  489. };
  490. void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
  491. {
  492. /* pins used for TWI interface */
  493. at91_set_A_periph(AT91_PIN_PB4, 0); /* TWD */
  494. at91_set_multi_drive(AT91_PIN_PB4, 1);
  495. at91_set_A_periph(AT91_PIN_PB5, 0); /* TWCK */
  496. at91_set_multi_drive(AT91_PIN_PB5, 1);
  497. i2c_register_board_info(0, devices, nr_devices);
  498. platform_device_register(&at91sam9263_twi_device);
  499. }
  500. #else
  501. void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
  502. #endif
  503. /* --------------------------------------------------------------------
  504. * SPI
  505. * -------------------------------------------------------------------- */
  506. #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
  507. static u64 spi_dmamask = DMA_BIT_MASK(32);
  508. static struct resource spi0_resources[] = {
  509. [0] = {
  510. .start = AT91SAM9263_BASE_SPI0,
  511. .end = AT91SAM9263_BASE_SPI0 + SZ_16K - 1,
  512. .flags = IORESOURCE_MEM,
  513. },
  514. [1] = {
  515. .start = AT91SAM9263_ID_SPI0,
  516. .end = AT91SAM9263_ID_SPI0,
  517. .flags = IORESOURCE_IRQ,
  518. },
  519. };
  520. static struct platform_device at91sam9263_spi0_device = {
  521. .name = "atmel_spi",
  522. .id = 0,
  523. .dev = {
  524. .dma_mask = &spi_dmamask,
  525. .coherent_dma_mask = DMA_BIT_MASK(32),
  526. },
  527. .resource = spi0_resources,
  528. .num_resources = ARRAY_SIZE(spi0_resources),
  529. };
  530. static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA5, AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PB11 };
  531. static struct resource spi1_resources[] = {
  532. [0] = {
  533. .start = AT91SAM9263_BASE_SPI1,
  534. .end = AT91SAM9263_BASE_SPI1 + SZ_16K - 1,
  535. .flags = IORESOURCE_MEM,
  536. },
  537. [1] = {
  538. .start = AT91SAM9263_ID_SPI1,
  539. .end = AT91SAM9263_ID_SPI1,
  540. .flags = IORESOURCE_IRQ,
  541. },
  542. };
  543. static struct platform_device at91sam9263_spi1_device = {
  544. .name = "atmel_spi",
  545. .id = 1,
  546. .dev = {
  547. .dma_mask = &spi_dmamask,
  548. .coherent_dma_mask = DMA_BIT_MASK(32),
  549. },
  550. .resource = spi1_resources,
  551. .num_resources = ARRAY_SIZE(spi1_resources),
  552. };
  553. static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB15, AT91_PIN_PB16, AT91_PIN_PB17, AT91_PIN_PB18 };
  554. void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
  555. {
  556. int i;
  557. unsigned long cs_pin;
  558. short enable_spi0 = 0;
  559. short enable_spi1 = 0;
  560. /* Choose SPI chip-selects */
  561. for (i = 0; i < nr_devices; i++) {
  562. if (devices[i].controller_data)
  563. cs_pin = (unsigned long) devices[i].controller_data;
  564. else if (devices[i].bus_num == 0)
  565. cs_pin = spi0_standard_cs[devices[i].chip_select];
  566. else
  567. cs_pin = spi1_standard_cs[devices[i].chip_select];
  568. if (devices[i].bus_num == 0)
  569. enable_spi0 = 1;
  570. else
  571. enable_spi1 = 1;
  572. /* enable chip-select pin */
  573. at91_set_gpio_output(cs_pin, 1);
  574. /* pass chip-select pin to driver */
  575. devices[i].controller_data = (void *) cs_pin;
  576. }
  577. spi_register_board_info(devices, nr_devices);
  578. /* Configure SPI bus(es) */
  579. if (enable_spi0) {
  580. at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
  581. at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
  582. at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
  583. platform_device_register(&at91sam9263_spi0_device);
  584. }
  585. if (enable_spi1) {
  586. at91_set_A_periph(AT91_PIN_PB12, 0); /* SPI1_MISO */
  587. at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */
  588. at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */
  589. platform_device_register(&at91sam9263_spi1_device);
  590. }
  591. }
  592. #else
  593. void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {}
  594. #endif
  595. /* --------------------------------------------------------------------
  596. * AC97
  597. * -------------------------------------------------------------------- */
  598. #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE)
  599. static u64 ac97_dmamask = DMA_BIT_MASK(32);
  600. static struct ac97c_platform_data ac97_data;
  601. static struct resource ac97_resources[] = {
  602. [0] = {
  603. .start = AT91SAM9263_BASE_AC97C,
  604. .end = AT91SAM9263_BASE_AC97C + SZ_16K - 1,
  605. .flags = IORESOURCE_MEM,
  606. },
  607. [1] = {
  608. .start = AT91SAM9263_ID_AC97C,
  609. .end = AT91SAM9263_ID_AC97C,
  610. .flags = IORESOURCE_IRQ,
  611. },
  612. };
  613. static struct platform_device at91sam9263_ac97_device = {
  614. .name = "atmel_ac97c",
  615. .id = 0,
  616. .dev = {
  617. .dma_mask = &ac97_dmamask,
  618. .coherent_dma_mask = DMA_BIT_MASK(32),
  619. .platform_data = &ac97_data,
  620. },
  621. .resource = ac97_resources,
  622. .num_resources = ARRAY_SIZE(ac97_resources),
  623. };
  624. void __init at91_add_device_ac97(struct ac97c_platform_data *data)
  625. {
  626. if (!data)
  627. return;
  628. at91_set_A_periph(AT91_PIN_PB0, 0); /* AC97FS */
  629. at91_set_A_periph(AT91_PIN_PB1, 0); /* AC97CK */
  630. at91_set_A_periph(AT91_PIN_PB2, 0); /* AC97TX */
  631. at91_set_A_periph(AT91_PIN_PB3, 0); /* AC97RX */
  632. /* reset */
  633. if (data->reset_pin)
  634. at91_set_gpio_output(data->reset_pin, 0);
  635. ac97_data = *data;
  636. platform_device_register(&at91sam9263_ac97_device);
  637. }
  638. #else
  639. void __init at91_add_device_ac97(struct ac97c_platform_data *data) {}
  640. #endif
  641. /* --------------------------------------------------------------------
  642. * CAN Controller
  643. * -------------------------------------------------------------------- */
  644. #if defined(CONFIG_CAN_AT91) || defined(CONFIG_CAN_AT91_MODULE)
  645. static struct resource can_resources[] = {
  646. [0] = {
  647. .start = AT91SAM9263_BASE_CAN,
  648. .end = AT91SAM9263_BASE_CAN + SZ_16K - 1,
  649. .flags = IORESOURCE_MEM,
  650. },
  651. [1] = {
  652. .start = AT91SAM9263_ID_CAN,
  653. .end = AT91SAM9263_ID_CAN,
  654. .flags = IORESOURCE_IRQ,
  655. },
  656. };
  657. static struct platform_device at91sam9263_can_device = {
  658. .name = "at91_can",
  659. .id = -1,
  660. .resource = can_resources,
  661. .num_resources = ARRAY_SIZE(can_resources),
  662. };
  663. void __init at91_add_device_can(struct at91_can_data *data)
  664. {
  665. at91_set_A_periph(AT91_PIN_PA13, 0); /* CANTX */
  666. at91_set_A_periph(AT91_PIN_PA14, 0); /* CANRX */
  667. at91sam9263_can_device.dev.platform_data = data;
  668. platform_device_register(&at91sam9263_can_device);
  669. }
  670. #else
  671. void __init at91_add_device_can(struct at91_can_data *data) {}
  672. #endif
  673. /* --------------------------------------------------------------------
  674. * LCD Controller
  675. * -------------------------------------------------------------------- */
  676. #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
  677. static u64 lcdc_dmamask = DMA_BIT_MASK(32);
  678. static struct atmel_lcdfb_info lcdc_data;
  679. static struct resource lcdc_resources[] = {
  680. [0] = {
  681. .start = AT91SAM9263_LCDC_BASE,
  682. .end = AT91SAM9263_LCDC_BASE + SZ_4K - 1,
  683. .flags = IORESOURCE_MEM,
  684. },
  685. [1] = {
  686. .start = AT91SAM9263_ID_LCDC,
  687. .end = AT91SAM9263_ID_LCDC,
  688. .flags = IORESOURCE_IRQ,
  689. },
  690. };
  691. static struct platform_device at91_lcdc_device = {
  692. .name = "atmel_lcdfb",
  693. .id = 0,
  694. .dev = {
  695. .dma_mask = &lcdc_dmamask,
  696. .coherent_dma_mask = DMA_BIT_MASK(32),
  697. .platform_data = &lcdc_data,
  698. },
  699. .resource = lcdc_resources,
  700. .num_resources = ARRAY_SIZE(lcdc_resources),
  701. };
  702. void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
  703. {
  704. if (!data)
  705. return;
  706. at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */
  707. at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */
  708. at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */
  709. at91_set_B_periph(AT91_PIN_PB9, 0); /* LCDCC */
  710. at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD2 */
  711. at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD3 */
  712. at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD4 */
  713. at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD5 */
  714. at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD6 */
  715. at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD7 */
  716. at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD10 */
  717. at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD11 */
  718. at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD12 */
  719. at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD13 */
  720. at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD14 */
  721. at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD15 */
  722. at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD18 */
  723. at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD19 */
  724. at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDD20 */
  725. at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD21 */
  726. at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDD22 */
  727. at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDD23 */
  728. lcdc_data = *data;
  729. platform_device_register(&at91_lcdc_device);
  730. }
  731. #else
  732. void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {}
  733. #endif
  734. /* --------------------------------------------------------------------
  735. * Image Sensor Interface
  736. * -------------------------------------------------------------------- */
  737. #if defined(CONFIG_VIDEO_AT91_ISI) || defined(CONFIG_VIDEO_AT91_ISI_MODULE)
  738. struct resource isi_resources[] = {
  739. [0] = {
  740. .start = AT91SAM9263_BASE_ISI,
  741. .end = AT91SAM9263_BASE_ISI + SZ_16K - 1,
  742. .flags = IORESOURCE_MEM,
  743. },
  744. [1] = {
  745. .start = AT91SAM9263_ID_ISI,
  746. .end = AT91SAM9263_ID_ISI,
  747. .flags = IORESOURCE_IRQ,
  748. },
  749. };
  750. static struct platform_device at91sam9263_isi_device = {
  751. .name = "at91_isi",
  752. .id = -1,
  753. .resource = isi_resources,
  754. .num_resources = ARRAY_SIZE(isi_resources),
  755. };
  756. void __init at91_add_device_isi(void)
  757. {
  758. at91_set_A_periph(AT91_PIN_PE0, 0); /* ISI_D0 */
  759. at91_set_A_periph(AT91_PIN_PE1, 0); /* ISI_D1 */
  760. at91_set_A_periph(AT91_PIN_PE2, 0); /* ISI_D2 */
  761. at91_set_A_periph(AT91_PIN_PE3, 0); /* ISI_D3 */
  762. at91_set_A_periph(AT91_PIN_PE4, 0); /* ISI_D4 */
  763. at91_set_A_periph(AT91_PIN_PE5, 0); /* ISI_D5 */
  764. at91_set_A_periph(AT91_PIN_PE6, 0); /* ISI_D6 */
  765. at91_set_A_periph(AT91_PIN_PE7, 0); /* ISI_D7 */
  766. at91_set_A_periph(AT91_PIN_PE8, 0); /* ISI_PCK */
  767. at91_set_A_periph(AT91_PIN_PE9, 0); /* ISI_HSYNC */
  768. at91_set_A_periph(AT91_PIN_PE10, 0); /* ISI_VSYNC */
  769. at91_set_B_periph(AT91_PIN_PE11, 0); /* ISI_MCK (PCK3) */
  770. at91_set_B_periph(AT91_PIN_PE12, 0); /* ISI_PD8 */
  771. at91_set_B_periph(AT91_PIN_PE13, 0); /* ISI_PD9 */
  772. at91_set_B_periph(AT91_PIN_PE14, 0); /* ISI_PD10 */
  773. at91_set_B_periph(AT91_PIN_PE15, 0); /* ISI_PD11 */
  774. }
  775. #else
  776. void __init at91_add_device_isi(void) {}
  777. #endif
  778. /* --------------------------------------------------------------------
  779. * Timer/Counter block
  780. * -------------------------------------------------------------------- */
  781. #ifdef CONFIG_ATMEL_TCLIB
  782. static struct resource tcb_resources[] = {
  783. [0] = {
  784. .start = AT91SAM9263_BASE_TCB0,
  785. .end = AT91SAM9263_BASE_TCB0 + SZ_16K - 1,
  786. .flags = IORESOURCE_MEM,
  787. },
  788. [1] = {
  789. .start = AT91SAM9263_ID_TCB,
  790. .end = AT91SAM9263_ID_TCB,
  791. .flags = IORESOURCE_IRQ,
  792. },
  793. };
  794. static struct platform_device at91sam9263_tcb_device = {
  795. .name = "atmel_tcb",
  796. .id = 0,
  797. .resource = tcb_resources,
  798. .num_resources = ARRAY_SIZE(tcb_resources),
  799. };
  800. static void __init at91_add_device_tc(void)
  801. {
  802. platform_device_register(&at91sam9263_tcb_device);
  803. }
  804. #else
  805. static void __init at91_add_device_tc(void) { }
  806. #endif
  807. /* --------------------------------------------------------------------
  808. * RTT
  809. * -------------------------------------------------------------------- */
  810. static struct resource rtt0_resources[] = {
  811. {
  812. .start = AT91_BASE_SYS + AT91_RTT0,
  813. .end = AT91_BASE_SYS + AT91_RTT0 + SZ_16 - 1,
  814. .flags = IORESOURCE_MEM,
  815. }
  816. };
  817. static struct platform_device at91sam9263_rtt0_device = {
  818. .name = "at91_rtt",
  819. .id = 0,
  820. .resource = rtt0_resources,
  821. .num_resources = ARRAY_SIZE(rtt0_resources),
  822. };
  823. static struct resource rtt1_resources[] = {
  824. {
  825. .start = AT91_BASE_SYS + AT91_RTT1,
  826. .end = AT91_BASE_SYS + AT91_RTT1 + SZ_16 - 1,
  827. .flags = IORESOURCE_MEM,
  828. }
  829. };
  830. static struct platform_device at91sam9263_rtt1_device = {
  831. .name = "at91_rtt",
  832. .id = 1,
  833. .resource = rtt1_resources,
  834. .num_resources = ARRAY_SIZE(rtt1_resources),
  835. };
  836. static void __init at91_add_device_rtt(void)
  837. {
  838. platform_device_register(&at91sam9263_rtt0_device);
  839. platform_device_register(&at91sam9263_rtt1_device);
  840. }
  841. /* --------------------------------------------------------------------
  842. * Watchdog
  843. * -------------------------------------------------------------------- */
  844. #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
  845. static struct platform_device at91sam9263_wdt_device = {
  846. .name = "at91_wdt",
  847. .id = -1,
  848. .num_resources = 0,
  849. };
  850. static void __init at91_add_device_watchdog(void)
  851. {
  852. platform_device_register(&at91sam9263_wdt_device);
  853. }
  854. #else
  855. static void __init at91_add_device_watchdog(void) {}
  856. #endif
  857. /* --------------------------------------------------------------------
  858. * PWM
  859. * --------------------------------------------------------------------*/
  860. #if defined(CONFIG_ATMEL_PWM)
  861. static u32 pwm_mask;
  862. static struct resource pwm_resources[] = {
  863. [0] = {
  864. .start = AT91SAM9263_BASE_PWMC,
  865. .end = AT91SAM9263_BASE_PWMC + SZ_16K - 1,
  866. .flags = IORESOURCE_MEM,
  867. },
  868. [1] = {
  869. .start = AT91SAM9263_ID_PWMC,
  870. .end = AT91SAM9263_ID_PWMC,
  871. .flags = IORESOURCE_IRQ,
  872. },
  873. };
  874. static struct platform_device at91sam9263_pwm0_device = {
  875. .name = "atmel_pwm",
  876. .id = -1,
  877. .dev = {
  878. .platform_data = &pwm_mask,
  879. },
  880. .resource = pwm_resources,
  881. .num_resources = ARRAY_SIZE(pwm_resources),
  882. };
  883. void __init at91_add_device_pwm(u32 mask)
  884. {
  885. if (mask & (1 << AT91_PWM0))
  886. at91_set_B_periph(AT91_PIN_PB7, 1); /* enable PWM0 */
  887. if (mask & (1 << AT91_PWM1))
  888. at91_set_B_periph(AT91_PIN_PB8, 1); /* enable PWM1 */
  889. if (mask & (1 << AT91_PWM2))
  890. at91_set_B_periph(AT91_PIN_PC29, 1); /* enable PWM2 */
  891. if (mask & (1 << AT91_PWM3))
  892. at91_set_B_periph(AT91_PIN_PB29, 1); /* enable PWM3 */
  893. pwm_mask = mask;
  894. platform_device_register(&at91sam9263_pwm0_device);
  895. }
  896. #else
  897. void __init at91_add_device_pwm(u32 mask) {}
  898. #endif
  899. /* --------------------------------------------------------------------
  900. * SSC -- Synchronous Serial Controller
  901. * -------------------------------------------------------------------- */
  902. #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
  903. static u64 ssc0_dmamask = DMA_BIT_MASK(32);
  904. static struct resource ssc0_resources[] = {
  905. [0] = {
  906. .start = AT91SAM9263_BASE_SSC0,
  907. .end = AT91SAM9263_BASE_SSC0 + SZ_16K - 1,
  908. .flags = IORESOURCE_MEM,
  909. },
  910. [1] = {
  911. .start = AT91SAM9263_ID_SSC0,
  912. .end = AT91SAM9263_ID_SSC0,
  913. .flags = IORESOURCE_IRQ,
  914. },
  915. };
  916. static struct platform_device at91sam9263_ssc0_device = {
  917. .name = "ssc",
  918. .id = 0,
  919. .dev = {
  920. .dma_mask = &ssc0_dmamask,
  921. .coherent_dma_mask = DMA_BIT_MASK(32),
  922. },
  923. .resource = ssc0_resources,
  924. .num_resources = ARRAY_SIZE(ssc0_resources),
  925. };
  926. static inline void configure_ssc0_pins(unsigned pins)
  927. {
  928. if (pins & ATMEL_SSC_TF)
  929. at91_set_B_periph(AT91_PIN_PB0, 1);
  930. if (pins & ATMEL_SSC_TK)
  931. at91_set_B_periph(AT91_PIN_PB1, 1);
  932. if (pins & ATMEL_SSC_TD)
  933. at91_set_B_periph(AT91_PIN_PB2, 1);
  934. if (pins & ATMEL_SSC_RD)
  935. at91_set_B_periph(AT91_PIN_PB3, 1);
  936. if (pins & ATMEL_SSC_RK)
  937. at91_set_B_periph(AT91_PIN_PB4, 1);
  938. if (pins & ATMEL_SSC_RF)
  939. at91_set_B_periph(AT91_PIN_PB5, 1);
  940. }
  941. static u64 ssc1_dmamask = DMA_BIT_MASK(32);
  942. static struct resource ssc1_resources[] = {
  943. [0] = {
  944. .start = AT91SAM9263_BASE_SSC1,
  945. .end = AT91SAM9263_BASE_SSC1 + SZ_16K - 1,
  946. .flags = IORESOURCE_MEM,
  947. },
  948. [1] = {
  949. .start = AT91SAM9263_ID_SSC1,
  950. .end = AT91SAM9263_ID_SSC1,
  951. .flags = IORESOURCE_IRQ,
  952. },
  953. };
  954. static struct platform_device at91sam9263_ssc1_device = {
  955. .name = "ssc",
  956. .id = 1,
  957. .dev = {
  958. .dma_mask = &ssc1_dmamask,
  959. .coherent_dma_mask = DMA_BIT_MASK(32),
  960. },
  961. .resource = ssc1_resources,
  962. .num_resources = ARRAY_SIZE(ssc1_resources),
  963. };
  964. static inline void configure_ssc1_pins(unsigned pins)
  965. {
  966. if (pins & ATMEL_SSC_TF)
  967. at91_set_A_periph(AT91_PIN_PB6, 1);
  968. if (pins & ATMEL_SSC_TK)
  969. at91_set_A_periph(AT91_PIN_PB7, 1);
  970. if (pins & ATMEL_SSC_TD)
  971. at91_set_A_periph(AT91_PIN_PB8, 1);
  972. if (pins & ATMEL_SSC_RD)
  973. at91_set_A_periph(AT91_PIN_PB9, 1);
  974. if (pins & ATMEL_SSC_RK)
  975. at91_set_A_periph(AT91_PIN_PB10, 1);
  976. if (pins & ATMEL_SSC_RF)
  977. at91_set_A_periph(AT91_PIN_PB11, 1);
  978. }
  979. /*
  980. * SSC controllers are accessed through library code, instead of any
  981. * kind of all-singing/all-dancing driver. For example one could be
  982. * used by a particular I2S audio codec's driver, while another one
  983. * on the same system might be used by a custom data capture driver.
  984. */
  985. void __init at91_add_device_ssc(unsigned id, unsigned pins)
  986. {
  987. struct platform_device *pdev;
  988. /*
  989. * NOTE: caller is responsible for passing information matching
  990. * "pins" to whatever will be using each particular controller.
  991. */
  992. switch (id) {
  993. case AT91SAM9263_ID_SSC0:
  994. pdev = &at91sam9263_ssc0_device;
  995. configure_ssc0_pins(pins);
  996. break;
  997. case AT91SAM9263_ID_SSC1:
  998. pdev = &at91sam9263_ssc1_device;
  999. configure_ssc1_pins(pins);
  1000. break;
  1001. default:
  1002. return;
  1003. }
  1004. platform_device_register(pdev);
  1005. }
  1006. #else
  1007. void __init at91_add_device_ssc(unsigned id, unsigned pins) {}
  1008. #endif
  1009. /* --------------------------------------------------------------------
  1010. * UART
  1011. * -------------------------------------------------------------------- */
  1012. #if defined(CONFIG_SERIAL_ATMEL)
  1013. static struct resource dbgu_resources[] = {
  1014. [0] = {
  1015. .start = AT91_VA_BASE_SYS + AT91_DBGU,
  1016. .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1,
  1017. .flags = IORESOURCE_MEM,
  1018. },
  1019. [1] = {
  1020. .start = AT91_ID_SYS,
  1021. .end = AT91_ID_SYS,
  1022. .flags = IORESOURCE_IRQ,
  1023. },
  1024. };
  1025. static struct atmel_uart_data dbgu_data = {
  1026. .use_dma_tx = 0,
  1027. .use_dma_rx = 0, /* DBGU not capable of receive DMA */
  1028. .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
  1029. };
  1030. static u64 dbgu_dmamask = DMA_BIT_MASK(32);
  1031. static struct platform_device at91sam9263_dbgu_device = {
  1032. .name = "atmel_usart",
  1033. .id = 0,
  1034. .dev = {
  1035. .dma_mask = &dbgu_dmamask,
  1036. .coherent_dma_mask = DMA_BIT_MASK(32),
  1037. .platform_data = &dbgu_data,
  1038. },
  1039. .resource = dbgu_resources,
  1040. .num_resources = ARRAY_SIZE(dbgu_resources),
  1041. };
  1042. static inline void configure_dbgu_pins(void)
  1043. {
  1044. at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
  1045. at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */
  1046. }
  1047. static struct resource uart0_resources[] = {
  1048. [0] = {
  1049. .start = AT91SAM9263_BASE_US0,
  1050. .end = AT91SAM9263_BASE_US0 + SZ_16K - 1,
  1051. .flags = IORESOURCE_MEM,
  1052. },
  1053. [1] = {
  1054. .start = AT91SAM9263_ID_US0,
  1055. .end = AT91SAM9263_ID_US0,
  1056. .flags = IORESOURCE_IRQ,
  1057. },
  1058. };
  1059. static struct atmel_uart_data uart0_data = {
  1060. .use_dma_tx = 1,
  1061. .use_dma_rx = 1,
  1062. };
  1063. static u64 uart0_dmamask = DMA_BIT_MASK(32);
  1064. static struct platform_device at91sam9263_uart0_device = {
  1065. .name = "atmel_usart",
  1066. .id = 1,
  1067. .dev = {
  1068. .dma_mask = &uart0_dmamask,
  1069. .coherent_dma_mask = DMA_BIT_MASK(32),
  1070. .platform_data = &uart0_data,
  1071. },
  1072. .resource = uart0_resources,
  1073. .num_resources = ARRAY_SIZE(uart0_resources),
  1074. };
  1075. static inline void configure_usart0_pins(unsigned pins)
  1076. {
  1077. at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */
  1078. at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */
  1079. if (pins & ATMEL_UART_RTS)
  1080. at91_set_A_periph(AT91_PIN_PA28, 0); /* RTS0 */
  1081. if (pins & ATMEL_UART_CTS)
  1082. at91_set_A_periph(AT91_PIN_PA29, 0); /* CTS0 */
  1083. }
  1084. static struct resource uart1_resources[] = {
  1085. [0] = {
  1086. .start = AT91SAM9263_BASE_US1,
  1087. .end = AT91SAM9263_BASE_US1 + SZ_16K - 1,
  1088. .flags = IORESOURCE_MEM,
  1089. },
  1090. [1] = {
  1091. .start = AT91SAM9263_ID_US1,
  1092. .end = AT91SAM9263_ID_US1,
  1093. .flags = IORESOURCE_IRQ,
  1094. },
  1095. };
  1096. static struct atmel_uart_data uart1_data = {
  1097. .use_dma_tx = 1,
  1098. .use_dma_rx = 1,
  1099. };
  1100. static u64 uart1_dmamask = DMA_BIT_MASK(32);
  1101. static struct platform_device at91sam9263_uart1_device = {
  1102. .name = "atmel_usart",
  1103. .id = 2,
  1104. .dev = {
  1105. .dma_mask = &uart1_dmamask,
  1106. .coherent_dma_mask = DMA_BIT_MASK(32),
  1107. .platform_data = &uart1_data,
  1108. },
  1109. .resource = uart1_resources,
  1110. .num_resources = ARRAY_SIZE(uart1_resources),
  1111. };
  1112. static inline void configure_usart1_pins(unsigned pins)
  1113. {
  1114. at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */
  1115. at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */
  1116. if (pins & ATMEL_UART_RTS)
  1117. at91_set_B_periph(AT91_PIN_PD7, 0); /* RTS1 */
  1118. if (pins & ATMEL_UART_CTS)
  1119. at91_set_B_periph(AT91_PIN_PD8, 0); /* CTS1 */
  1120. }
  1121. static struct resource uart2_resources[] = {
  1122. [0] = {
  1123. .start = AT91SAM9263_BASE_US2,
  1124. .end = AT91SAM9263_BASE_US2 + SZ_16K - 1,
  1125. .flags = IORESOURCE_MEM,
  1126. },
  1127. [1] = {
  1128. .start = AT91SAM9263_ID_US2,
  1129. .end = AT91SAM9263_ID_US2,
  1130. .flags = IORESOURCE_IRQ,
  1131. },
  1132. };
  1133. static struct atmel_uart_data uart2_data = {
  1134. .use_dma_tx = 1,
  1135. .use_dma_rx = 1,
  1136. };
  1137. static u64 uart2_dmamask = DMA_BIT_MASK(32);
  1138. static struct platform_device at91sam9263_uart2_device = {
  1139. .name = "atmel_usart",
  1140. .id = 3,
  1141. .dev = {
  1142. .dma_mask = &uart2_dmamask,
  1143. .coherent_dma_mask = DMA_BIT_MASK(32),
  1144. .platform_data = &uart2_data,
  1145. },
  1146. .resource = uart2_resources,
  1147. .num_resources = ARRAY_SIZE(uart2_resources),
  1148. };
  1149. static inline void configure_usart2_pins(unsigned pins)
  1150. {
  1151. at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */
  1152. at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */
  1153. if (pins & ATMEL_UART_RTS)
  1154. at91_set_B_periph(AT91_PIN_PD5, 0); /* RTS2 */
  1155. if (pins & ATMEL_UART_CTS)
  1156. at91_set_B_periph(AT91_PIN_PD6, 0); /* CTS2 */
  1157. }
  1158. static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
  1159. struct platform_device *atmel_default_console_device; /* the serial console device */
  1160. void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
  1161. {
  1162. struct platform_device *pdev;
  1163. struct atmel_uart_data *pdata;
  1164. switch (id) {
  1165. case 0: /* DBGU */
  1166. pdev = &at91sam9263_dbgu_device;
  1167. configure_dbgu_pins();
  1168. break;
  1169. case AT91SAM9263_ID_US0:
  1170. pdev = &at91sam9263_uart0_device;
  1171. configure_usart0_pins(pins);
  1172. break;
  1173. case AT91SAM9263_ID_US1:
  1174. pdev = &at91sam9263_uart1_device;
  1175. configure_usart1_pins(pins);
  1176. break;
  1177. case AT91SAM9263_ID_US2:
  1178. pdev = &at91sam9263_uart2_device;
  1179. configure_usart2_pins(pins);
  1180. break;
  1181. default:
  1182. return;
  1183. }
  1184. pdata = pdev->dev.platform_data;
  1185. pdata->num = portnr; /* update to mapped ID */
  1186. if (portnr < ATMEL_MAX_UART)
  1187. at91_uarts[portnr] = pdev;
  1188. }
  1189. void __init at91_set_serial_console(unsigned portnr)
  1190. {
  1191. if (portnr < ATMEL_MAX_UART) {
  1192. atmel_default_console_device = at91_uarts[portnr];
  1193. at91sam9263_set_console_clock(at91_uarts[portnr]->id);
  1194. }
  1195. }
  1196. void __init at91_add_device_serial(void)
  1197. {
  1198. int i;
  1199. for (i = 0; i < ATMEL_MAX_UART; i++) {
  1200. if (at91_uarts[i])
  1201. platform_device_register(at91_uarts[i]);
  1202. }
  1203. if (!atmel_default_console_device)
  1204. printk(KERN_INFO "AT91: No default serial console defined.\n");
  1205. }
  1206. #else
  1207. void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
  1208. void __init at91_set_serial_console(unsigned portnr) {}
  1209. void __init at91_add_device_serial(void) {}
  1210. #endif
  1211. /* -------------------------------------------------------------------- */
  1212. /*
  1213. * These devices are always present and don't need any board-specific
  1214. * setup.
  1215. */
  1216. static int __init at91_add_standard_devices(void)
  1217. {
  1218. at91_add_device_rtt();
  1219. at91_add_device_watchdog();
  1220. at91_add_device_tc();
  1221. return 0;
  1222. }
  1223. arch_initcall(at91_add_standard_devices);