dm646x.c 17 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/kernel.h>
  12. #include <linux/init.h>
  13. #include <linux/clk.h>
  14. #include <linux/serial_8250.h>
  15. #include <linux/platform_device.h>
  16. #include <linux/gpio.h>
  17. #include <asm/mach/map.h>
  18. #include <mach/dm646x.h>
  19. #include <mach/clock.h>
  20. #include <mach/cputype.h>
  21. #include <mach/edma.h>
  22. #include <mach/irqs.h>
  23. #include <mach/psc.h>
  24. #include <mach/mux.h>
  25. #include <mach/time.h>
  26. #include <mach/serial.h>
  27. #include <mach/common.h>
  28. #include "clock.h"
  29. #include "mux.h"
  30. /*
  31. * Device specific clocks
  32. */
  33. #define DM646X_REF_FREQ 27000000
  34. #define DM646X_AUX_FREQ 24000000
  35. static struct pll_data pll1_data = {
  36. .num = 1,
  37. .phys_base = DAVINCI_PLL1_BASE,
  38. };
  39. static struct pll_data pll2_data = {
  40. .num = 2,
  41. .phys_base = DAVINCI_PLL2_BASE,
  42. };
  43. static struct clk ref_clk = {
  44. .name = "ref_clk",
  45. .rate = DM646X_REF_FREQ,
  46. };
  47. static struct clk aux_clkin = {
  48. .name = "aux_clkin",
  49. .rate = DM646X_AUX_FREQ,
  50. };
  51. static struct clk pll1_clk = {
  52. .name = "pll1",
  53. .parent = &ref_clk,
  54. .pll_data = &pll1_data,
  55. .flags = CLK_PLL,
  56. };
  57. static struct clk pll1_sysclk1 = {
  58. .name = "pll1_sysclk1",
  59. .parent = &pll1_clk,
  60. .flags = CLK_PLL,
  61. .div_reg = PLLDIV1,
  62. };
  63. static struct clk pll1_sysclk2 = {
  64. .name = "pll1_sysclk2",
  65. .parent = &pll1_clk,
  66. .flags = CLK_PLL,
  67. .div_reg = PLLDIV2,
  68. };
  69. static struct clk pll1_sysclk3 = {
  70. .name = "pll1_sysclk3",
  71. .parent = &pll1_clk,
  72. .flags = CLK_PLL,
  73. .div_reg = PLLDIV3,
  74. };
  75. static struct clk pll1_sysclk4 = {
  76. .name = "pll1_sysclk4",
  77. .parent = &pll1_clk,
  78. .flags = CLK_PLL,
  79. .div_reg = PLLDIV4,
  80. };
  81. static struct clk pll1_sysclk5 = {
  82. .name = "pll1_sysclk5",
  83. .parent = &pll1_clk,
  84. .flags = CLK_PLL,
  85. .div_reg = PLLDIV5,
  86. };
  87. static struct clk pll1_sysclk6 = {
  88. .name = "pll1_sysclk6",
  89. .parent = &pll1_clk,
  90. .flags = CLK_PLL,
  91. .div_reg = PLLDIV6,
  92. };
  93. static struct clk pll1_sysclk8 = {
  94. .name = "pll1_sysclk8",
  95. .parent = &pll1_clk,
  96. .flags = CLK_PLL,
  97. .div_reg = PLLDIV8,
  98. };
  99. static struct clk pll1_sysclk9 = {
  100. .name = "pll1_sysclk9",
  101. .parent = &pll1_clk,
  102. .flags = CLK_PLL,
  103. .div_reg = PLLDIV9,
  104. };
  105. static struct clk pll1_sysclkbp = {
  106. .name = "pll1_sysclkbp",
  107. .parent = &pll1_clk,
  108. .flags = CLK_PLL | PRE_PLL,
  109. .div_reg = BPDIV,
  110. };
  111. static struct clk pll1_aux_clk = {
  112. .name = "pll1_aux_clk",
  113. .parent = &pll1_clk,
  114. .flags = CLK_PLL | PRE_PLL,
  115. };
  116. static struct clk pll2_clk = {
  117. .name = "pll2_clk",
  118. .parent = &ref_clk,
  119. .pll_data = &pll2_data,
  120. .flags = CLK_PLL,
  121. };
  122. static struct clk pll2_sysclk1 = {
  123. .name = "pll2_sysclk1",
  124. .parent = &pll2_clk,
  125. .flags = CLK_PLL,
  126. .div_reg = PLLDIV1,
  127. };
  128. static struct clk dsp_clk = {
  129. .name = "dsp",
  130. .parent = &pll1_sysclk1,
  131. .lpsc = DM646X_LPSC_C64X_CPU,
  132. .flags = PSC_DSP,
  133. .usecount = 1, /* REVISIT how to disable? */
  134. };
  135. static struct clk arm_clk = {
  136. .name = "arm",
  137. .parent = &pll1_sysclk2,
  138. .lpsc = DM646X_LPSC_ARM,
  139. .flags = ALWAYS_ENABLED,
  140. };
  141. static struct clk edma_cc_clk = {
  142. .name = "edma_cc",
  143. .parent = &pll1_sysclk2,
  144. .lpsc = DM646X_LPSC_TPCC,
  145. .flags = ALWAYS_ENABLED,
  146. };
  147. static struct clk edma_tc0_clk = {
  148. .name = "edma_tc0",
  149. .parent = &pll1_sysclk2,
  150. .lpsc = DM646X_LPSC_TPTC0,
  151. .flags = ALWAYS_ENABLED,
  152. };
  153. static struct clk edma_tc1_clk = {
  154. .name = "edma_tc1",
  155. .parent = &pll1_sysclk2,
  156. .lpsc = DM646X_LPSC_TPTC1,
  157. .flags = ALWAYS_ENABLED,
  158. };
  159. static struct clk edma_tc2_clk = {
  160. .name = "edma_tc2",
  161. .parent = &pll1_sysclk2,
  162. .lpsc = DM646X_LPSC_TPTC2,
  163. .flags = ALWAYS_ENABLED,
  164. };
  165. static struct clk edma_tc3_clk = {
  166. .name = "edma_tc3",
  167. .parent = &pll1_sysclk2,
  168. .lpsc = DM646X_LPSC_TPTC3,
  169. .flags = ALWAYS_ENABLED,
  170. };
  171. static struct clk uart0_clk = {
  172. .name = "uart0",
  173. .parent = &aux_clkin,
  174. .lpsc = DM646X_LPSC_UART0,
  175. };
  176. static struct clk uart1_clk = {
  177. .name = "uart1",
  178. .parent = &aux_clkin,
  179. .lpsc = DM646X_LPSC_UART1,
  180. };
  181. static struct clk uart2_clk = {
  182. .name = "uart2",
  183. .parent = &aux_clkin,
  184. .lpsc = DM646X_LPSC_UART2,
  185. };
  186. static struct clk i2c_clk = {
  187. .name = "I2CCLK",
  188. .parent = &pll1_sysclk3,
  189. .lpsc = DM646X_LPSC_I2C,
  190. };
  191. static struct clk gpio_clk = {
  192. .name = "gpio",
  193. .parent = &pll1_sysclk3,
  194. .lpsc = DM646X_LPSC_GPIO,
  195. };
  196. static struct clk mcasp0_clk = {
  197. .name = "mcasp0",
  198. .parent = &pll1_sysclk3,
  199. .lpsc = DM646X_LPSC_McASP0,
  200. };
  201. static struct clk mcasp1_clk = {
  202. .name = "mcasp1",
  203. .parent = &pll1_sysclk3,
  204. .lpsc = DM646X_LPSC_McASP1,
  205. };
  206. static struct clk aemif_clk = {
  207. .name = "aemif",
  208. .parent = &pll1_sysclk3,
  209. .lpsc = DM646X_LPSC_AEMIF,
  210. .flags = ALWAYS_ENABLED,
  211. };
  212. static struct clk emac_clk = {
  213. .name = "emac",
  214. .parent = &pll1_sysclk3,
  215. .lpsc = DM646X_LPSC_EMAC,
  216. };
  217. static struct clk pwm0_clk = {
  218. .name = "pwm0",
  219. .parent = &pll1_sysclk3,
  220. .lpsc = DM646X_LPSC_PWM0,
  221. .usecount = 1, /* REVIST: disabling hangs system */
  222. };
  223. static struct clk pwm1_clk = {
  224. .name = "pwm1",
  225. .parent = &pll1_sysclk3,
  226. .lpsc = DM646X_LPSC_PWM1,
  227. .usecount = 1, /* REVIST: disabling hangs system */
  228. };
  229. static struct clk timer0_clk = {
  230. .name = "timer0",
  231. .parent = &pll1_sysclk3,
  232. .lpsc = DM646X_LPSC_TIMER0,
  233. };
  234. static struct clk timer1_clk = {
  235. .name = "timer1",
  236. .parent = &pll1_sysclk3,
  237. .lpsc = DM646X_LPSC_TIMER1,
  238. };
  239. static struct clk timer2_clk = {
  240. .name = "timer2",
  241. .parent = &pll1_sysclk3,
  242. .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
  243. };
  244. static struct clk vpif0_clk = {
  245. .name = "vpif0",
  246. .parent = &ref_clk,
  247. .lpsc = DM646X_LPSC_VPSSMSTR,
  248. .flags = ALWAYS_ENABLED,
  249. };
  250. static struct clk vpif1_clk = {
  251. .name = "vpif1",
  252. .parent = &ref_clk,
  253. .lpsc = DM646X_LPSC_VPSSSLV,
  254. .flags = ALWAYS_ENABLED,
  255. };
  256. struct davinci_clk dm646x_clks[] = {
  257. CLK(NULL, "ref", &ref_clk),
  258. CLK(NULL, "aux", &aux_clkin),
  259. CLK(NULL, "pll1", &pll1_clk),
  260. CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
  261. CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
  262. CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
  263. CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
  264. CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
  265. CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
  266. CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
  267. CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
  268. CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
  269. CLK(NULL, "pll1_aux", &pll1_aux_clk),
  270. CLK(NULL, "pll2", &pll2_clk),
  271. CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
  272. CLK(NULL, "dsp", &dsp_clk),
  273. CLK(NULL, "arm", &arm_clk),
  274. CLK(NULL, "edma_cc", &edma_cc_clk),
  275. CLK(NULL, "edma_tc0", &edma_tc0_clk),
  276. CLK(NULL, "edma_tc1", &edma_tc1_clk),
  277. CLK(NULL, "edma_tc2", &edma_tc2_clk),
  278. CLK(NULL, "edma_tc3", &edma_tc3_clk),
  279. CLK(NULL, "uart0", &uart0_clk),
  280. CLK(NULL, "uart1", &uart1_clk),
  281. CLK(NULL, "uart2", &uart2_clk),
  282. CLK("i2c_davinci.1", NULL, &i2c_clk),
  283. CLK(NULL, "gpio", &gpio_clk),
  284. CLK(NULL, "mcasp0", &mcasp0_clk),
  285. CLK(NULL, "mcasp1", &mcasp1_clk),
  286. CLK(NULL, "aemif", &aemif_clk),
  287. CLK("davinci_emac.1", NULL, &emac_clk),
  288. CLK(NULL, "pwm0", &pwm0_clk),
  289. CLK(NULL, "pwm1", &pwm1_clk),
  290. CLK(NULL, "timer0", &timer0_clk),
  291. CLK(NULL, "timer1", &timer1_clk),
  292. CLK("watchdog", NULL, &timer2_clk),
  293. CLK(NULL, "vpif0", &vpif0_clk),
  294. CLK(NULL, "vpif1", &vpif1_clk),
  295. CLK(NULL, NULL, NULL),
  296. };
  297. static struct emac_platform_data dm646x_emac_pdata = {
  298. .ctrl_reg_offset = DM646X_EMAC_CNTRL_OFFSET,
  299. .ctrl_mod_reg_offset = DM646X_EMAC_CNTRL_MOD_OFFSET,
  300. .ctrl_ram_offset = DM646X_EMAC_CNTRL_RAM_OFFSET,
  301. .mdio_reg_offset = DM646X_EMAC_MDIO_OFFSET,
  302. .ctrl_ram_size = DM646X_EMAC_CNTRL_RAM_SIZE,
  303. .version = EMAC_VERSION_2,
  304. };
  305. static struct resource dm646x_emac_resources[] = {
  306. {
  307. .start = DM646X_EMAC_BASE,
  308. .end = DM646X_EMAC_BASE + 0x47ff,
  309. .flags = IORESOURCE_MEM,
  310. },
  311. {
  312. .start = IRQ_DM646X_EMACRXTHINT,
  313. .end = IRQ_DM646X_EMACRXTHINT,
  314. .flags = IORESOURCE_IRQ,
  315. },
  316. {
  317. .start = IRQ_DM646X_EMACRXINT,
  318. .end = IRQ_DM646X_EMACRXINT,
  319. .flags = IORESOURCE_IRQ,
  320. },
  321. {
  322. .start = IRQ_DM646X_EMACTXINT,
  323. .end = IRQ_DM646X_EMACTXINT,
  324. .flags = IORESOURCE_IRQ,
  325. },
  326. {
  327. .start = IRQ_DM646X_EMACMISCINT,
  328. .end = IRQ_DM646X_EMACMISCINT,
  329. .flags = IORESOURCE_IRQ,
  330. },
  331. };
  332. static struct platform_device dm646x_emac_device = {
  333. .name = "davinci_emac",
  334. .id = 1,
  335. .dev = {
  336. .platform_data = &dm646x_emac_pdata,
  337. },
  338. .num_resources = ARRAY_SIZE(dm646x_emac_resources),
  339. .resource = dm646x_emac_resources,
  340. };
  341. #define PINMUX0 0x00
  342. #define PINMUX1 0x04
  343. /*
  344. * Device specific mux setup
  345. *
  346. * soc description mux mode mode mux dbg
  347. * reg offset mask mode
  348. */
  349. static const struct mux_config dm646x_pins[] = {
  350. #ifdef CONFIG_DAVINCI_MUX
  351. MUX_CFG(DM646X, ATAEN, 0, 0, 1, 1, true)
  352. MUX_CFG(DM646X, AUDCK1, 0, 29, 1, 0, false)
  353. MUX_CFG(DM646X, AUDCK0, 0, 28, 1, 0, false)
  354. MUX_CFG(DM646X, CRGMUX, 0, 24, 7, 5, true)
  355. MUX_CFG(DM646X, STSOMUX_DISABLE, 0, 22, 3, 0, true)
  356. MUX_CFG(DM646X, STSIMUX_DISABLE, 0, 20, 3, 0, true)
  357. MUX_CFG(DM646X, PTSOMUX_DISABLE, 0, 18, 3, 0, true)
  358. MUX_CFG(DM646X, PTSIMUX_DISABLE, 0, 16, 3, 0, true)
  359. MUX_CFG(DM646X, STSOMUX, 0, 22, 3, 2, true)
  360. MUX_CFG(DM646X, STSIMUX, 0, 20, 3, 2, true)
  361. MUX_CFG(DM646X, PTSOMUX_PARALLEL, 0, 18, 3, 2, true)
  362. MUX_CFG(DM646X, PTSIMUX_PARALLEL, 0, 16, 3, 2, true)
  363. MUX_CFG(DM646X, PTSOMUX_SERIAL, 0, 18, 3, 3, true)
  364. MUX_CFG(DM646X, PTSIMUX_SERIAL, 0, 16, 3, 3, true)
  365. #endif
  366. };
  367. static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
  368. [IRQ_DM646X_VP_VERTINT0] = 7,
  369. [IRQ_DM646X_VP_VERTINT1] = 7,
  370. [IRQ_DM646X_VP_VERTINT2] = 7,
  371. [IRQ_DM646X_VP_VERTINT3] = 7,
  372. [IRQ_DM646X_VP_ERRINT] = 7,
  373. [IRQ_DM646X_RESERVED_1] = 7,
  374. [IRQ_DM646X_RESERVED_2] = 7,
  375. [IRQ_DM646X_WDINT] = 7,
  376. [IRQ_DM646X_CRGENINT0] = 7,
  377. [IRQ_DM646X_CRGENINT1] = 7,
  378. [IRQ_DM646X_TSIFINT0] = 7,
  379. [IRQ_DM646X_TSIFINT1] = 7,
  380. [IRQ_DM646X_VDCEINT] = 7,
  381. [IRQ_DM646X_USBINT] = 7,
  382. [IRQ_DM646X_USBDMAINT] = 7,
  383. [IRQ_DM646X_PCIINT] = 7,
  384. [IRQ_CCINT0] = 7, /* dma */
  385. [IRQ_CCERRINT] = 7, /* dma */
  386. [IRQ_TCERRINT0] = 7, /* dma */
  387. [IRQ_TCERRINT] = 7, /* dma */
  388. [IRQ_DM646X_TCERRINT2] = 7,
  389. [IRQ_DM646X_TCERRINT3] = 7,
  390. [IRQ_DM646X_IDE] = 7,
  391. [IRQ_DM646X_HPIINT] = 7,
  392. [IRQ_DM646X_EMACRXTHINT] = 7,
  393. [IRQ_DM646X_EMACRXINT] = 7,
  394. [IRQ_DM646X_EMACTXINT] = 7,
  395. [IRQ_DM646X_EMACMISCINT] = 7,
  396. [IRQ_DM646X_MCASP0TXINT] = 7,
  397. [IRQ_DM646X_MCASP0RXINT] = 7,
  398. [IRQ_AEMIFINT] = 7,
  399. [IRQ_DM646X_RESERVED_3] = 7,
  400. [IRQ_DM646X_MCASP1TXINT] = 7, /* clockevent */
  401. [IRQ_TINT0_TINT34] = 7, /* clocksource */
  402. [IRQ_TINT1_TINT12] = 7, /* DSP timer */
  403. [IRQ_TINT1_TINT34] = 7, /* system tick */
  404. [IRQ_PWMINT0] = 7,
  405. [IRQ_PWMINT1] = 7,
  406. [IRQ_DM646X_VLQINT] = 7,
  407. [IRQ_I2C] = 7,
  408. [IRQ_UARTINT0] = 7,
  409. [IRQ_UARTINT1] = 7,
  410. [IRQ_DM646X_UARTINT2] = 7,
  411. [IRQ_DM646X_SPINT0] = 7,
  412. [IRQ_DM646X_SPINT1] = 7,
  413. [IRQ_DM646X_DSP2ARMINT] = 7,
  414. [IRQ_DM646X_RESERVED_4] = 7,
  415. [IRQ_DM646X_PSCINT] = 7,
  416. [IRQ_DM646X_GPIO0] = 7,
  417. [IRQ_DM646X_GPIO1] = 7,
  418. [IRQ_DM646X_GPIO2] = 7,
  419. [IRQ_DM646X_GPIO3] = 7,
  420. [IRQ_DM646X_GPIO4] = 7,
  421. [IRQ_DM646X_GPIO5] = 7,
  422. [IRQ_DM646X_GPIO6] = 7,
  423. [IRQ_DM646X_GPIO7] = 7,
  424. [IRQ_DM646X_GPIOBNK0] = 7,
  425. [IRQ_DM646X_GPIOBNK1] = 7,
  426. [IRQ_DM646X_GPIOBNK2] = 7,
  427. [IRQ_DM646X_DDRINT] = 7,
  428. [IRQ_DM646X_AEMIFINT] = 7,
  429. [IRQ_COMMTX] = 7,
  430. [IRQ_COMMRX] = 7,
  431. [IRQ_EMUINT] = 7,
  432. };
  433. /*----------------------------------------------------------------------*/
  434. static const s8 dma_chan_dm646x_no_event[] = {
  435. 0, 1, 2, 3, 13,
  436. 14, 15, 24, 25, 26,
  437. 27, 30, 31, 54, 55,
  438. 56,
  439. -1
  440. };
  441. /* Four Transfer Controllers on DM646x */
  442. static const s8
  443. dm646x_queue_tc_mapping[][2] = {
  444. /* {event queue no, TC no} */
  445. {0, 0},
  446. {1, 1},
  447. {2, 2},
  448. {3, 3},
  449. {-1, -1},
  450. };
  451. static const s8
  452. dm646x_queue_priority_mapping[][2] = {
  453. /* {event queue no, Priority} */
  454. {0, 4},
  455. {1, 0},
  456. {2, 5},
  457. {3, 1},
  458. {-1, -1},
  459. };
  460. static struct edma_soc_info dm646x_edma_info[] = {
  461. {
  462. .n_channel = 64,
  463. .n_region = 6, /* 0-1, 4-7 */
  464. .n_slot = 512,
  465. .n_tc = 4,
  466. .n_cc = 1,
  467. .noevent = dma_chan_dm646x_no_event,
  468. .queue_tc_mapping = dm646x_queue_tc_mapping,
  469. .queue_priority_mapping = dm646x_queue_priority_mapping,
  470. },
  471. };
  472. static struct resource edma_resources[] = {
  473. {
  474. .name = "edma_cc0",
  475. .start = 0x01c00000,
  476. .end = 0x01c00000 + SZ_64K - 1,
  477. .flags = IORESOURCE_MEM,
  478. },
  479. {
  480. .name = "edma_tc0",
  481. .start = 0x01c10000,
  482. .end = 0x01c10000 + SZ_1K - 1,
  483. .flags = IORESOURCE_MEM,
  484. },
  485. {
  486. .name = "edma_tc1",
  487. .start = 0x01c10400,
  488. .end = 0x01c10400 + SZ_1K - 1,
  489. .flags = IORESOURCE_MEM,
  490. },
  491. {
  492. .name = "edma_tc2",
  493. .start = 0x01c10800,
  494. .end = 0x01c10800 + SZ_1K - 1,
  495. .flags = IORESOURCE_MEM,
  496. },
  497. {
  498. .name = "edma_tc3",
  499. .start = 0x01c10c00,
  500. .end = 0x01c10c00 + SZ_1K - 1,
  501. .flags = IORESOURCE_MEM,
  502. },
  503. {
  504. .name = "edma0",
  505. .start = IRQ_CCINT0,
  506. .flags = IORESOURCE_IRQ,
  507. },
  508. {
  509. .name = "edma0_err",
  510. .start = IRQ_CCERRINT,
  511. .flags = IORESOURCE_IRQ,
  512. },
  513. /* not using TC*_ERR */
  514. };
  515. static struct platform_device dm646x_edma_device = {
  516. .name = "edma",
  517. .id = 0,
  518. .dev.platform_data = dm646x_edma_info,
  519. .num_resources = ARRAY_SIZE(edma_resources),
  520. .resource = edma_resources,
  521. };
  522. /*----------------------------------------------------------------------*/
  523. static struct map_desc dm646x_io_desc[] = {
  524. {
  525. .virtual = IO_VIRT,
  526. .pfn = __phys_to_pfn(IO_PHYS),
  527. .length = IO_SIZE,
  528. .type = MT_DEVICE
  529. },
  530. {
  531. .virtual = SRAM_VIRT,
  532. .pfn = __phys_to_pfn(0x00010000),
  533. .length = SZ_32K,
  534. /* MT_MEMORY_NONCACHED requires supersection alignment */
  535. .type = MT_DEVICE,
  536. },
  537. };
  538. /* Contents of JTAG ID register used to identify exact cpu type */
  539. static struct davinci_id dm646x_ids[] = {
  540. {
  541. .variant = 0x0,
  542. .part_no = 0xb770,
  543. .manufacturer = 0x017,
  544. .cpu_id = DAVINCI_CPU_ID_DM6467,
  545. .name = "dm6467",
  546. },
  547. };
  548. static void __iomem *dm646x_psc_bases[] = {
  549. IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
  550. };
  551. /*
  552. * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
  553. * T0_TOP: Timer 0, top : clocksource for generic timekeeping
  554. * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
  555. * T1_TOP: Timer 1, top : <unused>
  556. */
  557. struct davinci_timer_info dm646x_timer_info = {
  558. .timers = davinci_timer_instance,
  559. .clockevent_id = T0_BOT,
  560. .clocksource_id = T0_TOP,
  561. };
  562. static struct plat_serial8250_port dm646x_serial_platform_data[] = {
  563. {
  564. .mapbase = DAVINCI_UART0_BASE,
  565. .irq = IRQ_UARTINT0,
  566. .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
  567. UPF_IOREMAP,
  568. .iotype = UPIO_MEM32,
  569. .regshift = 2,
  570. },
  571. {
  572. .mapbase = DAVINCI_UART1_BASE,
  573. .irq = IRQ_UARTINT1,
  574. .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
  575. UPF_IOREMAP,
  576. .iotype = UPIO_MEM32,
  577. .regshift = 2,
  578. },
  579. {
  580. .mapbase = DAVINCI_UART2_BASE,
  581. .irq = IRQ_DM646X_UARTINT2,
  582. .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
  583. UPF_IOREMAP,
  584. .iotype = UPIO_MEM32,
  585. .regshift = 2,
  586. },
  587. {
  588. .flags = 0
  589. },
  590. };
  591. static struct platform_device dm646x_serial_device = {
  592. .name = "serial8250",
  593. .id = PLAT8250_DEV_PLATFORM,
  594. .dev = {
  595. .platform_data = dm646x_serial_platform_data,
  596. },
  597. };
  598. static struct davinci_soc_info davinci_soc_info_dm646x = {
  599. .io_desc = dm646x_io_desc,
  600. .io_desc_num = ARRAY_SIZE(dm646x_io_desc),
  601. .jtag_id_base = IO_ADDRESS(0x01c40028),
  602. .ids = dm646x_ids,
  603. .ids_num = ARRAY_SIZE(dm646x_ids),
  604. .cpu_clks = dm646x_clks,
  605. .psc_bases = dm646x_psc_bases,
  606. .psc_bases_num = ARRAY_SIZE(dm646x_psc_bases),
  607. .pinmux_base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
  608. .pinmux_pins = dm646x_pins,
  609. .pinmux_pins_num = ARRAY_SIZE(dm646x_pins),
  610. .intc_base = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
  611. .intc_type = DAVINCI_INTC_TYPE_AINTC,
  612. .intc_irq_prios = dm646x_default_priorities,
  613. .intc_irq_num = DAVINCI_N_AINTC_IRQ,
  614. .timer_info = &dm646x_timer_info,
  615. .wdt_base = IO_ADDRESS(DAVINCI_WDOG_BASE),
  616. .gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
  617. .gpio_num = 43, /* Only 33 usable */
  618. .gpio_irq = IRQ_DM646X_GPIOBNK0,
  619. .serial_dev = &dm646x_serial_device,
  620. .emac_pdata = &dm646x_emac_pdata,
  621. .sram_dma = 0x10010000,
  622. .sram_len = SZ_32K,
  623. };
  624. void __init dm646x_init(void)
  625. {
  626. davinci_common_init(&davinci_soc_info_dm646x);
  627. }
  628. static int __init dm646x_init_devices(void)
  629. {
  630. if (!cpu_is_davinci_dm646x())
  631. return 0;
  632. platform_device_register(&dm646x_edma_device);
  633. platform_device_register(&dm646x_emac_device);
  634. return 0;
  635. }
  636. postcore_initcall(dm646x_init_devices);