dm644x.c 18 KB

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  1. /*
  2. * TI DaVinci DM644x chip specific setup
  3. *
  4. * Author: Kevin Hilman, Deep Root Systems, LLC
  5. *
  6. * 2007 (c) Deep Root Systems, LLC. This file is licensed under
  7. * the terms of the GNU General Public License version 2. This program
  8. * is licensed "as is" without any warranty of any kind, whether express
  9. * or implied.
  10. */
  11. #include <linux/init.h>
  12. #include <linux/clk.h>
  13. #include <linux/serial_8250.h>
  14. #include <linux/platform_device.h>
  15. #include <linux/gpio.h>
  16. #include <asm/mach/map.h>
  17. #include <mach/dm644x.h>
  18. #include <mach/cputype.h>
  19. #include <mach/edma.h>
  20. #include <mach/irqs.h>
  21. #include <mach/psc.h>
  22. #include <mach/mux.h>
  23. #include <mach/time.h>
  24. #include <mach/serial.h>
  25. #include <mach/common.h>
  26. #include <mach/asp.h>
  27. #include "clock.h"
  28. #include "mux.h"
  29. /*
  30. * Device specific clocks
  31. */
  32. #define DM644X_REF_FREQ 27000000
  33. static struct pll_data pll1_data = {
  34. .num = 1,
  35. .phys_base = DAVINCI_PLL1_BASE,
  36. };
  37. static struct pll_data pll2_data = {
  38. .num = 2,
  39. .phys_base = DAVINCI_PLL2_BASE,
  40. };
  41. static struct clk ref_clk = {
  42. .name = "ref_clk",
  43. .rate = DM644X_REF_FREQ,
  44. };
  45. static struct clk pll1_clk = {
  46. .name = "pll1",
  47. .parent = &ref_clk,
  48. .pll_data = &pll1_data,
  49. .flags = CLK_PLL,
  50. };
  51. static struct clk pll1_sysclk1 = {
  52. .name = "pll1_sysclk1",
  53. .parent = &pll1_clk,
  54. .flags = CLK_PLL,
  55. .div_reg = PLLDIV1,
  56. };
  57. static struct clk pll1_sysclk2 = {
  58. .name = "pll1_sysclk2",
  59. .parent = &pll1_clk,
  60. .flags = CLK_PLL,
  61. .div_reg = PLLDIV2,
  62. };
  63. static struct clk pll1_sysclk3 = {
  64. .name = "pll1_sysclk3",
  65. .parent = &pll1_clk,
  66. .flags = CLK_PLL,
  67. .div_reg = PLLDIV3,
  68. };
  69. static struct clk pll1_sysclk5 = {
  70. .name = "pll1_sysclk5",
  71. .parent = &pll1_clk,
  72. .flags = CLK_PLL,
  73. .div_reg = PLLDIV5,
  74. };
  75. static struct clk pll1_aux_clk = {
  76. .name = "pll1_aux_clk",
  77. .parent = &pll1_clk,
  78. .flags = CLK_PLL | PRE_PLL,
  79. };
  80. static struct clk pll1_sysclkbp = {
  81. .name = "pll1_sysclkbp",
  82. .parent = &pll1_clk,
  83. .flags = CLK_PLL | PRE_PLL,
  84. .div_reg = BPDIV
  85. };
  86. static struct clk pll2_clk = {
  87. .name = "pll2",
  88. .parent = &ref_clk,
  89. .pll_data = &pll2_data,
  90. .flags = CLK_PLL,
  91. };
  92. static struct clk pll2_sysclk1 = {
  93. .name = "pll2_sysclk1",
  94. .parent = &pll2_clk,
  95. .flags = CLK_PLL,
  96. .div_reg = PLLDIV1,
  97. };
  98. static struct clk pll2_sysclk2 = {
  99. .name = "pll2_sysclk2",
  100. .parent = &pll2_clk,
  101. .flags = CLK_PLL,
  102. .div_reg = PLLDIV2,
  103. };
  104. static struct clk pll2_sysclkbp = {
  105. .name = "pll2_sysclkbp",
  106. .parent = &pll2_clk,
  107. .flags = CLK_PLL | PRE_PLL,
  108. .div_reg = BPDIV
  109. };
  110. static struct clk dsp_clk = {
  111. .name = "dsp",
  112. .parent = &pll1_sysclk1,
  113. .lpsc = DAVINCI_LPSC_GEM,
  114. .flags = PSC_DSP,
  115. .usecount = 1, /* REVISIT how to disable? */
  116. };
  117. static struct clk arm_clk = {
  118. .name = "arm",
  119. .parent = &pll1_sysclk2,
  120. .lpsc = DAVINCI_LPSC_ARM,
  121. .flags = ALWAYS_ENABLED,
  122. };
  123. static struct clk vicp_clk = {
  124. .name = "vicp",
  125. .parent = &pll1_sysclk2,
  126. .lpsc = DAVINCI_LPSC_IMCOP,
  127. .flags = PSC_DSP,
  128. .usecount = 1, /* REVISIT how to disable? */
  129. };
  130. static struct clk vpss_master_clk = {
  131. .name = "vpss_master",
  132. .parent = &pll1_sysclk3,
  133. .lpsc = DAVINCI_LPSC_VPSSMSTR,
  134. .flags = CLK_PSC,
  135. };
  136. static struct clk vpss_slave_clk = {
  137. .name = "vpss_slave",
  138. .parent = &pll1_sysclk3,
  139. .lpsc = DAVINCI_LPSC_VPSSSLV,
  140. };
  141. static struct clk uart0_clk = {
  142. .name = "uart0",
  143. .parent = &pll1_aux_clk,
  144. .lpsc = DAVINCI_LPSC_UART0,
  145. };
  146. static struct clk uart1_clk = {
  147. .name = "uart1",
  148. .parent = &pll1_aux_clk,
  149. .lpsc = DAVINCI_LPSC_UART1,
  150. };
  151. static struct clk uart2_clk = {
  152. .name = "uart2",
  153. .parent = &pll1_aux_clk,
  154. .lpsc = DAVINCI_LPSC_UART2,
  155. };
  156. static struct clk emac_clk = {
  157. .name = "emac",
  158. .parent = &pll1_sysclk5,
  159. .lpsc = DAVINCI_LPSC_EMAC_WRAPPER,
  160. };
  161. static struct clk i2c_clk = {
  162. .name = "i2c",
  163. .parent = &pll1_aux_clk,
  164. .lpsc = DAVINCI_LPSC_I2C,
  165. };
  166. static struct clk ide_clk = {
  167. .name = "ide",
  168. .parent = &pll1_sysclk5,
  169. .lpsc = DAVINCI_LPSC_ATA,
  170. };
  171. static struct clk asp_clk = {
  172. .name = "asp0",
  173. .parent = &pll1_sysclk5,
  174. .lpsc = DAVINCI_LPSC_McBSP,
  175. };
  176. static struct clk mmcsd_clk = {
  177. .name = "mmcsd",
  178. .parent = &pll1_sysclk5,
  179. .lpsc = DAVINCI_LPSC_MMC_SD,
  180. };
  181. static struct clk spi_clk = {
  182. .name = "spi",
  183. .parent = &pll1_sysclk5,
  184. .lpsc = DAVINCI_LPSC_SPI,
  185. };
  186. static struct clk gpio_clk = {
  187. .name = "gpio",
  188. .parent = &pll1_sysclk5,
  189. .lpsc = DAVINCI_LPSC_GPIO,
  190. };
  191. static struct clk usb_clk = {
  192. .name = "usb",
  193. .parent = &pll1_sysclk5,
  194. .lpsc = DAVINCI_LPSC_USB,
  195. };
  196. static struct clk vlynq_clk = {
  197. .name = "vlynq",
  198. .parent = &pll1_sysclk5,
  199. .lpsc = DAVINCI_LPSC_VLYNQ,
  200. };
  201. static struct clk aemif_clk = {
  202. .name = "aemif",
  203. .parent = &pll1_sysclk5,
  204. .lpsc = DAVINCI_LPSC_AEMIF,
  205. };
  206. static struct clk pwm0_clk = {
  207. .name = "pwm0",
  208. .parent = &pll1_aux_clk,
  209. .lpsc = DAVINCI_LPSC_PWM0,
  210. };
  211. static struct clk pwm1_clk = {
  212. .name = "pwm1",
  213. .parent = &pll1_aux_clk,
  214. .lpsc = DAVINCI_LPSC_PWM1,
  215. };
  216. static struct clk pwm2_clk = {
  217. .name = "pwm2",
  218. .parent = &pll1_aux_clk,
  219. .lpsc = DAVINCI_LPSC_PWM2,
  220. };
  221. static struct clk timer0_clk = {
  222. .name = "timer0",
  223. .parent = &pll1_aux_clk,
  224. .lpsc = DAVINCI_LPSC_TIMER0,
  225. };
  226. static struct clk timer1_clk = {
  227. .name = "timer1",
  228. .parent = &pll1_aux_clk,
  229. .lpsc = DAVINCI_LPSC_TIMER1,
  230. };
  231. static struct clk timer2_clk = {
  232. .name = "timer2",
  233. .parent = &pll1_aux_clk,
  234. .lpsc = DAVINCI_LPSC_TIMER2,
  235. .usecount = 1, /* REVISIT: why cant' this be disabled? */
  236. };
  237. static struct clk_lookup dm644x_clks[] = {
  238. CLK(NULL, "ref", &ref_clk),
  239. CLK(NULL, "pll1", &pll1_clk),
  240. CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
  241. CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
  242. CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
  243. CLK(NULL, "pll1_sysclk5", &pll1_sysclk5),
  244. CLK(NULL, "pll1_aux", &pll1_aux_clk),
  245. CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
  246. CLK(NULL, "pll2", &pll2_clk),
  247. CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
  248. CLK(NULL, "pll2_sysclk2", &pll2_sysclk2),
  249. CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
  250. CLK(NULL, "dsp", &dsp_clk),
  251. CLK(NULL, "arm", &arm_clk),
  252. CLK(NULL, "vicp", &vicp_clk),
  253. CLK(NULL, "vpss_master", &vpss_master_clk),
  254. CLK(NULL, "vpss_slave", &vpss_slave_clk),
  255. CLK(NULL, "arm", &arm_clk),
  256. CLK(NULL, "uart0", &uart0_clk),
  257. CLK(NULL, "uart1", &uart1_clk),
  258. CLK(NULL, "uart2", &uart2_clk),
  259. CLK("davinci_emac.1", NULL, &emac_clk),
  260. CLK("i2c_davinci.1", NULL, &i2c_clk),
  261. CLK("palm_bk3710", NULL, &ide_clk),
  262. CLK("davinci-asp", NULL, &asp_clk),
  263. CLK("davinci_mmc.0", NULL, &mmcsd_clk),
  264. CLK(NULL, "spi", &spi_clk),
  265. CLK(NULL, "gpio", &gpio_clk),
  266. CLK(NULL, "usb", &usb_clk),
  267. CLK(NULL, "vlynq", &vlynq_clk),
  268. CLK(NULL, "aemif", &aemif_clk),
  269. CLK(NULL, "pwm0", &pwm0_clk),
  270. CLK(NULL, "pwm1", &pwm1_clk),
  271. CLK(NULL, "pwm2", &pwm2_clk),
  272. CLK(NULL, "timer0", &timer0_clk),
  273. CLK(NULL, "timer1", &timer1_clk),
  274. CLK("watchdog", NULL, &timer2_clk),
  275. CLK(NULL, NULL, NULL),
  276. };
  277. static struct emac_platform_data dm644x_emac_pdata = {
  278. .ctrl_reg_offset = DM644X_EMAC_CNTRL_OFFSET,
  279. .ctrl_mod_reg_offset = DM644X_EMAC_CNTRL_MOD_OFFSET,
  280. .ctrl_ram_offset = DM644X_EMAC_CNTRL_RAM_OFFSET,
  281. .mdio_reg_offset = DM644X_EMAC_MDIO_OFFSET,
  282. .ctrl_ram_size = DM644X_EMAC_CNTRL_RAM_SIZE,
  283. .version = EMAC_VERSION_1,
  284. };
  285. static struct resource dm644x_emac_resources[] = {
  286. {
  287. .start = DM644X_EMAC_BASE,
  288. .end = DM644X_EMAC_BASE + 0x47ff,
  289. .flags = IORESOURCE_MEM,
  290. },
  291. {
  292. .start = IRQ_EMACINT,
  293. .end = IRQ_EMACINT,
  294. .flags = IORESOURCE_IRQ,
  295. },
  296. };
  297. static struct platform_device dm644x_emac_device = {
  298. .name = "davinci_emac",
  299. .id = 1,
  300. .dev = {
  301. .platform_data = &dm644x_emac_pdata,
  302. },
  303. .num_resources = ARRAY_SIZE(dm644x_emac_resources),
  304. .resource = dm644x_emac_resources,
  305. };
  306. /*
  307. * Device specific mux setup
  308. *
  309. * soc description mux mode mode mux dbg
  310. * reg offset mask mode
  311. */
  312. static const struct mux_config dm644x_pins[] = {
  313. #ifdef CONFIG_DAVINCI_MUX
  314. MUX_CFG(DM644X, HDIREN, 0, 16, 1, 1, true)
  315. MUX_CFG(DM644X, ATAEN, 0, 17, 1, 1, true)
  316. MUX_CFG(DM644X, ATAEN_DISABLE, 0, 17, 1, 0, true)
  317. MUX_CFG(DM644X, HPIEN_DISABLE, 0, 29, 1, 0, true)
  318. MUX_CFG(DM644X, AEAW, 0, 0, 31, 31, true)
  319. MUX_CFG(DM644X, AEAW0, 0, 0, 1, 0, true)
  320. MUX_CFG(DM644X, AEAW1, 0, 1, 1, 0, true)
  321. MUX_CFG(DM644X, AEAW2, 0, 2, 1, 0, true)
  322. MUX_CFG(DM644X, AEAW3, 0, 3, 1, 0, true)
  323. MUX_CFG(DM644X, AEAW4, 0, 4, 1, 0, true)
  324. MUX_CFG(DM644X, MSTK, 1, 9, 1, 0, false)
  325. MUX_CFG(DM644X, I2C, 1, 7, 1, 1, false)
  326. MUX_CFG(DM644X, MCBSP, 1, 10, 1, 1, false)
  327. MUX_CFG(DM644X, UART1, 1, 1, 1, 1, true)
  328. MUX_CFG(DM644X, UART2, 1, 2, 1, 1, true)
  329. MUX_CFG(DM644X, PWM0, 1, 4, 1, 1, false)
  330. MUX_CFG(DM644X, PWM1, 1, 5, 1, 1, false)
  331. MUX_CFG(DM644X, PWM2, 1, 6, 1, 1, false)
  332. MUX_CFG(DM644X, VLYNQEN, 0, 15, 1, 1, false)
  333. MUX_CFG(DM644X, VLSCREN, 0, 14, 1, 1, false)
  334. MUX_CFG(DM644X, VLYNQWD, 0, 12, 3, 3, false)
  335. MUX_CFG(DM644X, EMACEN, 0, 31, 1, 1, true)
  336. MUX_CFG(DM644X, GPIO3V, 0, 31, 1, 0, true)
  337. MUX_CFG(DM644X, GPIO0, 0, 24, 1, 0, true)
  338. MUX_CFG(DM644X, GPIO3, 0, 25, 1, 0, false)
  339. MUX_CFG(DM644X, GPIO43_44, 1, 7, 1, 0, false)
  340. MUX_CFG(DM644X, GPIO46_47, 0, 22, 1, 0, true)
  341. MUX_CFG(DM644X, RGB666, 0, 22, 1, 1, true)
  342. MUX_CFG(DM644X, LOEEN, 0, 24, 1, 1, true)
  343. MUX_CFG(DM644X, LFLDEN, 0, 25, 1, 1, false)
  344. #endif
  345. };
  346. /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
  347. static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
  348. [IRQ_VDINT0] = 2,
  349. [IRQ_VDINT1] = 6,
  350. [IRQ_VDINT2] = 6,
  351. [IRQ_HISTINT] = 6,
  352. [IRQ_H3AINT] = 6,
  353. [IRQ_PRVUINT] = 6,
  354. [IRQ_RSZINT] = 6,
  355. [7] = 7,
  356. [IRQ_VENCINT] = 6,
  357. [IRQ_ASQINT] = 6,
  358. [IRQ_IMXINT] = 6,
  359. [IRQ_VLCDINT] = 6,
  360. [IRQ_USBINT] = 4,
  361. [IRQ_EMACINT] = 4,
  362. [14] = 7,
  363. [15] = 7,
  364. [IRQ_CCINT0] = 5, /* dma */
  365. [IRQ_CCERRINT] = 5, /* dma */
  366. [IRQ_TCERRINT0] = 5, /* dma */
  367. [IRQ_TCERRINT] = 5, /* dma */
  368. [IRQ_PSCIN] = 7,
  369. [21] = 7,
  370. [IRQ_IDE] = 4,
  371. [23] = 7,
  372. [IRQ_MBXINT] = 7,
  373. [IRQ_MBRINT] = 7,
  374. [IRQ_MMCINT] = 7,
  375. [IRQ_SDIOINT] = 7,
  376. [28] = 7,
  377. [IRQ_DDRINT] = 7,
  378. [IRQ_AEMIFINT] = 7,
  379. [IRQ_VLQINT] = 4,
  380. [IRQ_TINT0_TINT12] = 2, /* clockevent */
  381. [IRQ_TINT0_TINT34] = 2, /* clocksource */
  382. [IRQ_TINT1_TINT12] = 7, /* DSP timer */
  383. [IRQ_TINT1_TINT34] = 7, /* system tick */
  384. [IRQ_PWMINT0] = 7,
  385. [IRQ_PWMINT1] = 7,
  386. [IRQ_PWMINT2] = 7,
  387. [IRQ_I2C] = 3,
  388. [IRQ_UARTINT0] = 3,
  389. [IRQ_UARTINT1] = 3,
  390. [IRQ_UARTINT2] = 3,
  391. [IRQ_SPINT0] = 3,
  392. [IRQ_SPINT1] = 3,
  393. [45] = 7,
  394. [IRQ_DSP2ARM0] = 4,
  395. [IRQ_DSP2ARM1] = 4,
  396. [IRQ_GPIO0] = 7,
  397. [IRQ_GPIO1] = 7,
  398. [IRQ_GPIO2] = 7,
  399. [IRQ_GPIO3] = 7,
  400. [IRQ_GPIO4] = 7,
  401. [IRQ_GPIO5] = 7,
  402. [IRQ_GPIO6] = 7,
  403. [IRQ_GPIO7] = 7,
  404. [IRQ_GPIOBNK0] = 7,
  405. [IRQ_GPIOBNK1] = 7,
  406. [IRQ_GPIOBNK2] = 7,
  407. [IRQ_GPIOBNK3] = 7,
  408. [IRQ_GPIOBNK4] = 7,
  409. [IRQ_COMMTX] = 7,
  410. [IRQ_COMMRX] = 7,
  411. [IRQ_EMUINT] = 7,
  412. };
  413. /*----------------------------------------------------------------------*/
  414. static const s8
  415. queue_tc_mapping[][2] = {
  416. /* {event queue no, TC no} */
  417. {0, 0},
  418. {1, 1},
  419. {-1, -1},
  420. };
  421. static const s8
  422. queue_priority_mapping[][2] = {
  423. /* {event queue no, Priority} */
  424. {0, 3},
  425. {1, 7},
  426. {-1, -1},
  427. };
  428. static struct edma_soc_info edma_cc0_info = {
  429. .n_channel = 64,
  430. .n_region = 4,
  431. .n_slot = 128,
  432. .n_tc = 2,
  433. .n_cc = 1,
  434. .queue_tc_mapping = queue_tc_mapping,
  435. .queue_priority_mapping = queue_priority_mapping,
  436. };
  437. static struct edma_soc_info *dm644x_edma_info[EDMA_MAX_CC] = {
  438. &edma_cc0_info,
  439. };
  440. static struct resource edma_resources[] = {
  441. {
  442. .name = "edma_cc0",
  443. .start = 0x01c00000,
  444. .end = 0x01c00000 + SZ_64K - 1,
  445. .flags = IORESOURCE_MEM,
  446. },
  447. {
  448. .name = "edma_tc0",
  449. .start = 0x01c10000,
  450. .end = 0x01c10000 + SZ_1K - 1,
  451. .flags = IORESOURCE_MEM,
  452. },
  453. {
  454. .name = "edma_tc1",
  455. .start = 0x01c10400,
  456. .end = 0x01c10400 + SZ_1K - 1,
  457. .flags = IORESOURCE_MEM,
  458. },
  459. {
  460. .name = "edma0",
  461. .start = IRQ_CCINT0,
  462. .flags = IORESOURCE_IRQ,
  463. },
  464. {
  465. .name = "edma0_err",
  466. .start = IRQ_CCERRINT,
  467. .flags = IORESOURCE_IRQ,
  468. },
  469. /* not using TC*_ERR */
  470. };
  471. static struct platform_device dm644x_edma_device = {
  472. .name = "edma",
  473. .id = 0,
  474. .dev.platform_data = dm644x_edma_info,
  475. .num_resources = ARRAY_SIZE(edma_resources),
  476. .resource = edma_resources,
  477. };
  478. /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
  479. static struct resource dm644x_asp_resources[] = {
  480. {
  481. .start = DAVINCI_ASP0_BASE,
  482. .end = DAVINCI_ASP0_BASE + SZ_8K - 1,
  483. .flags = IORESOURCE_MEM,
  484. },
  485. {
  486. .start = DAVINCI_DMA_ASP0_TX,
  487. .end = DAVINCI_DMA_ASP0_TX,
  488. .flags = IORESOURCE_DMA,
  489. },
  490. {
  491. .start = DAVINCI_DMA_ASP0_RX,
  492. .end = DAVINCI_DMA_ASP0_RX,
  493. .flags = IORESOURCE_DMA,
  494. },
  495. };
  496. static struct platform_device dm644x_asp_device = {
  497. .name = "davinci-asp",
  498. .id = -1,
  499. .num_resources = ARRAY_SIZE(dm644x_asp_resources),
  500. .resource = dm644x_asp_resources,
  501. };
  502. static struct resource dm644x_vpss_resources[] = {
  503. {
  504. /* VPSS Base address */
  505. .name = "vpss",
  506. .start = 0x01c73400,
  507. .end = 0x01c73400 + 0xff,
  508. .flags = IORESOURCE_MEM,
  509. },
  510. };
  511. static struct platform_device dm644x_vpss_device = {
  512. .name = "vpss",
  513. .id = -1,
  514. .dev.platform_data = "dm644x_vpss",
  515. .num_resources = ARRAY_SIZE(dm644x_vpss_resources),
  516. .resource = dm644x_vpss_resources,
  517. };
  518. static struct resource vpfe_resources[] = {
  519. {
  520. .start = IRQ_VDINT0,
  521. .end = IRQ_VDINT0,
  522. .flags = IORESOURCE_IRQ,
  523. },
  524. {
  525. .start = IRQ_VDINT1,
  526. .end = IRQ_VDINT1,
  527. .flags = IORESOURCE_IRQ,
  528. },
  529. };
  530. static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
  531. static struct resource dm644x_ccdc_resource[] = {
  532. /* CCDC Base address */
  533. {
  534. .start = 0x01c70400,
  535. .end = 0x01c70400 + 0xff,
  536. .flags = IORESOURCE_MEM,
  537. },
  538. };
  539. static struct platform_device dm644x_ccdc_dev = {
  540. .name = "dm644x_ccdc",
  541. .id = -1,
  542. .num_resources = ARRAY_SIZE(dm644x_ccdc_resource),
  543. .resource = dm644x_ccdc_resource,
  544. .dev = {
  545. .dma_mask = &vpfe_capture_dma_mask,
  546. .coherent_dma_mask = DMA_BIT_MASK(32),
  547. },
  548. };
  549. static struct platform_device vpfe_capture_dev = {
  550. .name = CAPTURE_DRV_NAME,
  551. .id = -1,
  552. .num_resources = ARRAY_SIZE(vpfe_resources),
  553. .resource = vpfe_resources,
  554. .dev = {
  555. .dma_mask = &vpfe_capture_dma_mask,
  556. .coherent_dma_mask = DMA_BIT_MASK(32),
  557. },
  558. };
  559. void dm644x_set_vpfe_config(struct vpfe_config *cfg)
  560. {
  561. vpfe_capture_dev.dev.platform_data = cfg;
  562. }
  563. /*----------------------------------------------------------------------*/
  564. static struct map_desc dm644x_io_desc[] = {
  565. {
  566. .virtual = IO_VIRT,
  567. .pfn = __phys_to_pfn(IO_PHYS),
  568. .length = IO_SIZE,
  569. .type = MT_DEVICE
  570. },
  571. {
  572. .virtual = SRAM_VIRT,
  573. .pfn = __phys_to_pfn(0x00008000),
  574. .length = SZ_16K,
  575. /* MT_MEMORY_NONCACHED requires supersection alignment */
  576. .type = MT_DEVICE,
  577. },
  578. };
  579. /* Contents of JTAG ID register used to identify exact cpu type */
  580. static struct davinci_id dm644x_ids[] = {
  581. {
  582. .variant = 0x0,
  583. .part_no = 0xb700,
  584. .manufacturer = 0x017,
  585. .cpu_id = DAVINCI_CPU_ID_DM6446,
  586. .name = "dm6446",
  587. },
  588. {
  589. .variant = 0x1,
  590. .part_no = 0xb700,
  591. .manufacturer = 0x017,
  592. .cpu_id = DAVINCI_CPU_ID_DM6446,
  593. .name = "dm6446a",
  594. },
  595. };
  596. static u32 dm644x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
  597. /*
  598. * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
  599. * T0_TOP: Timer 0, top : clocksource for generic timekeeping
  600. * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
  601. * T1_TOP: Timer 1, top : <unused>
  602. */
  603. static struct davinci_timer_info dm644x_timer_info = {
  604. .timers = davinci_timer_instance,
  605. .clockevent_id = T0_BOT,
  606. .clocksource_id = T0_TOP,
  607. };
  608. static struct plat_serial8250_port dm644x_serial_platform_data[] = {
  609. {
  610. .mapbase = DAVINCI_UART0_BASE,
  611. .irq = IRQ_UARTINT0,
  612. .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
  613. UPF_IOREMAP,
  614. .iotype = UPIO_MEM,
  615. .regshift = 2,
  616. },
  617. {
  618. .mapbase = DAVINCI_UART1_BASE,
  619. .irq = IRQ_UARTINT1,
  620. .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
  621. UPF_IOREMAP,
  622. .iotype = UPIO_MEM,
  623. .regshift = 2,
  624. },
  625. {
  626. .mapbase = DAVINCI_UART2_BASE,
  627. .irq = IRQ_UARTINT2,
  628. .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
  629. UPF_IOREMAP,
  630. .iotype = UPIO_MEM,
  631. .regshift = 2,
  632. },
  633. {
  634. .flags = 0
  635. },
  636. };
  637. static struct platform_device dm644x_serial_device = {
  638. .name = "serial8250",
  639. .id = PLAT8250_DEV_PLATFORM,
  640. .dev = {
  641. .platform_data = dm644x_serial_platform_data,
  642. },
  643. };
  644. static struct davinci_soc_info davinci_soc_info_dm644x = {
  645. .io_desc = dm644x_io_desc,
  646. .io_desc_num = ARRAY_SIZE(dm644x_io_desc),
  647. .jtag_id_reg = 0x01c40028,
  648. .ids = dm644x_ids,
  649. .ids_num = ARRAY_SIZE(dm644x_ids),
  650. .cpu_clks = dm644x_clks,
  651. .psc_bases = dm644x_psc_bases,
  652. .psc_bases_num = ARRAY_SIZE(dm644x_psc_bases),
  653. .pinmux_base = DAVINCI_SYSTEM_MODULE_BASE,
  654. .pinmux_pins = dm644x_pins,
  655. .pinmux_pins_num = ARRAY_SIZE(dm644x_pins),
  656. .intc_base = DAVINCI_ARM_INTC_BASE,
  657. .intc_type = DAVINCI_INTC_TYPE_AINTC,
  658. .intc_irq_prios = dm644x_default_priorities,
  659. .intc_irq_num = DAVINCI_N_AINTC_IRQ,
  660. .timer_info = &dm644x_timer_info,
  661. .gpio_type = GPIO_TYPE_DAVINCI,
  662. .gpio_base = DAVINCI_GPIO_BASE,
  663. .gpio_num = 71,
  664. .gpio_irq = IRQ_GPIOBNK0,
  665. .serial_dev = &dm644x_serial_device,
  666. .emac_pdata = &dm644x_emac_pdata,
  667. .sram_dma = 0x00008000,
  668. .sram_len = SZ_16K,
  669. .reset_device = &davinci_wdt_device,
  670. };
  671. void __init dm644x_init_asp(struct snd_platform_data *pdata)
  672. {
  673. davinci_cfg_reg(DM644X_MCBSP);
  674. dm644x_asp_device.dev.platform_data = pdata;
  675. platform_device_register(&dm644x_asp_device);
  676. }
  677. void __init dm644x_init(void)
  678. {
  679. davinci_common_init(&davinci_soc_info_dm644x);
  680. }
  681. static int __init dm644x_init_devices(void)
  682. {
  683. if (!cpu_is_davinci_dm644x())
  684. return 0;
  685. /* Add ccdc clock aliases */
  686. clk_add_alias("master", dm644x_ccdc_dev.name, "vpss_master", NULL);
  687. clk_add_alias("slave", dm644x_ccdc_dev.name, "vpss_slave", NULL);
  688. platform_device_register(&dm644x_edma_device);
  689. platform_device_register(&dm644x_emac_device);
  690. platform_device_register(&dm644x_vpss_device);
  691. platform_device_register(&dm644x_ccdc_dev);
  692. platform_device_register(&vpfe_capture_dev);
  693. return 0;
  694. }
  695. postcore_initcall(dm644x_init_devices);