dm355.c 16 KB

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  1. /*
  2. * TI DaVinci DM355 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/platform_device.h>
  15. #include <linux/dma-mapping.h>
  16. #include <linux/gpio.h>
  17. #include <linux/spi/spi.h>
  18. #include <asm/mach/map.h>
  19. #include <mach/dm355.h>
  20. #include <mach/clock.h>
  21. #include <mach/cputype.h>
  22. #include <mach/edma.h>
  23. #include <mach/psc.h>
  24. #include <mach/mux.h>
  25. #include <mach/irqs.h>
  26. #include <mach/time.h>
  27. #include <mach/common.h>
  28. #include "clock.h"
  29. #include "mux.h"
  30. /*
  31. * Device specific clocks
  32. */
  33. #define DM355_REF_FREQ 24000000 /* 24 or 36 MHz */
  34. static struct pll_data pll1_data = {
  35. .num = 1,
  36. .phys_base = DAVINCI_PLL1_BASE,
  37. .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
  38. };
  39. static struct pll_data pll2_data = {
  40. .num = 2,
  41. .phys_base = DAVINCI_PLL2_BASE,
  42. .flags = PLL_HAS_PREDIV,
  43. };
  44. static struct clk ref_clk = {
  45. .name = "ref_clk",
  46. /* FIXME -- crystal rate is board-specific */
  47. .rate = DM355_REF_FREQ,
  48. };
  49. static struct clk pll1_clk = {
  50. .name = "pll1",
  51. .parent = &ref_clk,
  52. .flags = CLK_PLL,
  53. .pll_data = &pll1_data,
  54. };
  55. static struct clk pll1_aux_clk = {
  56. .name = "pll1_aux_clk",
  57. .parent = &pll1_clk,
  58. .flags = CLK_PLL | PRE_PLL,
  59. };
  60. static struct clk pll1_sysclk1 = {
  61. .name = "pll1_sysclk1",
  62. .parent = &pll1_clk,
  63. .flags = CLK_PLL,
  64. .div_reg = PLLDIV1,
  65. };
  66. static struct clk pll1_sysclk2 = {
  67. .name = "pll1_sysclk2",
  68. .parent = &pll1_clk,
  69. .flags = CLK_PLL,
  70. .div_reg = PLLDIV2,
  71. };
  72. static struct clk pll1_sysclk3 = {
  73. .name = "pll1_sysclk3",
  74. .parent = &pll1_clk,
  75. .flags = CLK_PLL,
  76. .div_reg = PLLDIV3,
  77. };
  78. static struct clk pll1_sysclk4 = {
  79. .name = "pll1_sysclk4",
  80. .parent = &pll1_clk,
  81. .flags = CLK_PLL,
  82. .div_reg = PLLDIV4,
  83. };
  84. static struct clk pll1_sysclkbp = {
  85. .name = "pll1_sysclkbp",
  86. .parent = &pll1_clk,
  87. .flags = CLK_PLL | PRE_PLL,
  88. .div_reg = BPDIV
  89. };
  90. static struct clk vpss_dac_clk = {
  91. .name = "vpss_dac",
  92. .parent = &pll1_sysclk3,
  93. .lpsc = DM355_LPSC_VPSS_DAC,
  94. };
  95. static struct clk vpss_master_clk = {
  96. .name = "vpss_master",
  97. .parent = &pll1_sysclk4,
  98. .lpsc = DAVINCI_LPSC_VPSSMSTR,
  99. .flags = CLK_PSC,
  100. };
  101. static struct clk vpss_slave_clk = {
  102. .name = "vpss_slave",
  103. .parent = &pll1_sysclk4,
  104. .lpsc = DAVINCI_LPSC_VPSSSLV,
  105. };
  106. static struct clk clkout1_clk = {
  107. .name = "clkout1",
  108. .parent = &pll1_aux_clk,
  109. /* NOTE: clkout1 can be externally gated by muxing GPIO-18 */
  110. };
  111. static struct clk clkout2_clk = {
  112. .name = "clkout2",
  113. .parent = &pll1_sysclkbp,
  114. };
  115. static struct clk pll2_clk = {
  116. .name = "pll2",
  117. .parent = &ref_clk,
  118. .flags = CLK_PLL,
  119. .pll_data = &pll2_data,
  120. };
  121. static struct clk pll2_sysclk1 = {
  122. .name = "pll2_sysclk1",
  123. .parent = &pll2_clk,
  124. .flags = CLK_PLL,
  125. .div_reg = PLLDIV1,
  126. };
  127. static struct clk pll2_sysclkbp = {
  128. .name = "pll2_sysclkbp",
  129. .parent = &pll2_clk,
  130. .flags = CLK_PLL | PRE_PLL,
  131. .div_reg = BPDIV
  132. };
  133. static struct clk clkout3_clk = {
  134. .name = "clkout3",
  135. .parent = &pll2_sysclkbp,
  136. /* NOTE: clkout3 can be externally gated by muxing GPIO-16 */
  137. };
  138. static struct clk arm_clk = {
  139. .name = "arm_clk",
  140. .parent = &pll1_sysclk1,
  141. .lpsc = DAVINCI_LPSC_ARM,
  142. .flags = ALWAYS_ENABLED,
  143. };
  144. /*
  145. * NOT LISTED below, and not touched by Linux
  146. * - in SyncReset state by default
  147. * .lpsc = DAVINCI_LPSC_TPCC,
  148. * .lpsc = DAVINCI_LPSC_TPTC0,
  149. * .lpsc = DAVINCI_LPSC_TPTC1,
  150. * .lpsc = DAVINCI_LPSC_DDR_EMIF, .parent = &sysclk2_clk,
  151. * .lpsc = DAVINCI_LPSC_MEMSTICK,
  152. * - in Enabled state by default
  153. * .lpsc = DAVINCI_LPSC_SYSTEM_SUBSYS,
  154. * .lpsc = DAVINCI_LPSC_SCR2, // "bus"
  155. * .lpsc = DAVINCI_LPSC_SCR3, // "bus"
  156. * .lpsc = DAVINCI_LPSC_SCR4, // "bus"
  157. * .lpsc = DAVINCI_LPSC_CROSSBAR, // "emulation"
  158. * .lpsc = DAVINCI_LPSC_CFG27, // "test"
  159. * .lpsc = DAVINCI_LPSC_CFG3, // "test"
  160. * .lpsc = DAVINCI_LPSC_CFG5, // "test"
  161. */
  162. static struct clk mjcp_clk = {
  163. .name = "mjcp",
  164. .parent = &pll1_sysclk1,
  165. .lpsc = DAVINCI_LPSC_IMCOP,
  166. };
  167. static struct clk uart0_clk = {
  168. .name = "uart0",
  169. .parent = &pll1_aux_clk,
  170. .lpsc = DAVINCI_LPSC_UART0,
  171. };
  172. static struct clk uart1_clk = {
  173. .name = "uart1",
  174. .parent = &pll1_aux_clk,
  175. .lpsc = DAVINCI_LPSC_UART1,
  176. };
  177. static struct clk uart2_clk = {
  178. .name = "uart2",
  179. .parent = &pll1_sysclk2,
  180. .lpsc = DAVINCI_LPSC_UART2,
  181. };
  182. static struct clk i2c_clk = {
  183. .name = "i2c",
  184. .parent = &pll1_aux_clk,
  185. .lpsc = DAVINCI_LPSC_I2C,
  186. };
  187. static struct clk asp0_clk = {
  188. .name = "asp0",
  189. .parent = &pll1_sysclk2,
  190. .lpsc = DAVINCI_LPSC_McBSP,
  191. };
  192. static struct clk asp1_clk = {
  193. .name = "asp1",
  194. .parent = &pll1_sysclk2,
  195. .lpsc = DM355_LPSC_McBSP1,
  196. };
  197. static struct clk mmcsd0_clk = {
  198. .name = "mmcsd0",
  199. .parent = &pll1_sysclk2,
  200. .lpsc = DAVINCI_LPSC_MMC_SD,
  201. };
  202. static struct clk mmcsd1_clk = {
  203. .name = "mmcsd1",
  204. .parent = &pll1_sysclk2,
  205. .lpsc = DM355_LPSC_MMC_SD1,
  206. };
  207. static struct clk spi0_clk = {
  208. .name = "spi0",
  209. .parent = &pll1_sysclk2,
  210. .lpsc = DAVINCI_LPSC_SPI,
  211. };
  212. static struct clk spi1_clk = {
  213. .name = "spi1",
  214. .parent = &pll1_sysclk2,
  215. .lpsc = DM355_LPSC_SPI1,
  216. };
  217. static struct clk spi2_clk = {
  218. .name = "spi2",
  219. .parent = &pll1_sysclk2,
  220. .lpsc = DM355_LPSC_SPI2,
  221. };
  222. static struct clk gpio_clk = {
  223. .name = "gpio",
  224. .parent = &pll1_sysclk2,
  225. .lpsc = DAVINCI_LPSC_GPIO,
  226. };
  227. static struct clk aemif_clk = {
  228. .name = "aemif",
  229. .parent = &pll1_sysclk2,
  230. .lpsc = DAVINCI_LPSC_AEMIF,
  231. };
  232. static struct clk pwm0_clk = {
  233. .name = "pwm0",
  234. .parent = &pll1_aux_clk,
  235. .lpsc = DAVINCI_LPSC_PWM0,
  236. };
  237. static struct clk pwm1_clk = {
  238. .name = "pwm1",
  239. .parent = &pll1_aux_clk,
  240. .lpsc = DAVINCI_LPSC_PWM1,
  241. };
  242. static struct clk pwm2_clk = {
  243. .name = "pwm2",
  244. .parent = &pll1_aux_clk,
  245. .lpsc = DAVINCI_LPSC_PWM2,
  246. };
  247. static struct clk pwm3_clk = {
  248. .name = "pwm3",
  249. .parent = &pll1_aux_clk,
  250. .lpsc = DM355_LPSC_PWM3,
  251. };
  252. static struct clk timer0_clk = {
  253. .name = "timer0",
  254. .parent = &pll1_aux_clk,
  255. .lpsc = DAVINCI_LPSC_TIMER0,
  256. };
  257. static struct clk timer1_clk = {
  258. .name = "timer1",
  259. .parent = &pll1_aux_clk,
  260. .lpsc = DAVINCI_LPSC_TIMER1,
  261. };
  262. static struct clk timer2_clk = {
  263. .name = "timer2",
  264. .parent = &pll1_aux_clk,
  265. .lpsc = DAVINCI_LPSC_TIMER2,
  266. .usecount = 1, /* REVISIT: why cant' this be disabled? */
  267. };
  268. static struct clk timer3_clk = {
  269. .name = "timer3",
  270. .parent = &pll1_aux_clk,
  271. .lpsc = DM355_LPSC_TIMER3,
  272. };
  273. static struct clk rto_clk = {
  274. .name = "rto",
  275. .parent = &pll1_aux_clk,
  276. .lpsc = DM355_LPSC_RTO,
  277. };
  278. static struct clk usb_clk = {
  279. .name = "usb",
  280. .parent = &pll1_sysclk2,
  281. .lpsc = DAVINCI_LPSC_USB,
  282. };
  283. static struct davinci_clk dm355_clks[] = {
  284. CLK(NULL, "ref", &ref_clk),
  285. CLK(NULL, "pll1", &pll1_clk),
  286. CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
  287. CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
  288. CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
  289. CLK(NULL, "pll1_sysclk4", &pll1_sysclk4),
  290. CLK(NULL, "pll1_aux", &pll1_aux_clk),
  291. CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
  292. CLK(NULL, "vpss_dac", &vpss_dac_clk),
  293. CLK(NULL, "vpss_master", &vpss_master_clk),
  294. CLK(NULL, "vpss_slave", &vpss_slave_clk),
  295. CLK(NULL, "clkout1", &clkout1_clk),
  296. CLK(NULL, "clkout2", &clkout2_clk),
  297. CLK(NULL, "pll2", &pll2_clk),
  298. CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
  299. CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
  300. CLK(NULL, "clkout3", &clkout3_clk),
  301. CLK(NULL, "arm", &arm_clk),
  302. CLK(NULL, "mjcp", &mjcp_clk),
  303. CLK(NULL, "uart0", &uart0_clk),
  304. CLK(NULL, "uart1", &uart1_clk),
  305. CLK(NULL, "uart2", &uart2_clk),
  306. CLK("i2c_davinci.1", NULL, &i2c_clk),
  307. CLK("soc-audio.0", NULL, &asp0_clk),
  308. CLK("soc-audio.1", NULL, &asp1_clk),
  309. CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
  310. CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
  311. CLK(NULL, "spi0", &spi0_clk),
  312. CLK(NULL, "spi1", &spi1_clk),
  313. CLK(NULL, "spi2", &spi2_clk),
  314. CLK(NULL, "gpio", &gpio_clk),
  315. CLK(NULL, "aemif", &aemif_clk),
  316. CLK(NULL, "pwm0", &pwm0_clk),
  317. CLK(NULL, "pwm1", &pwm1_clk),
  318. CLK(NULL, "pwm2", &pwm2_clk),
  319. CLK(NULL, "pwm3", &pwm3_clk),
  320. CLK(NULL, "timer0", &timer0_clk),
  321. CLK(NULL, "timer1", &timer1_clk),
  322. CLK("watchdog", NULL, &timer2_clk),
  323. CLK(NULL, "timer3", &timer3_clk),
  324. CLK(NULL, "rto", &rto_clk),
  325. CLK(NULL, "usb", &usb_clk),
  326. CLK(NULL, NULL, NULL),
  327. };
  328. /*----------------------------------------------------------------------*/
  329. static u64 dm355_spi0_dma_mask = DMA_BIT_MASK(32);
  330. static struct resource dm355_spi0_resources[] = {
  331. {
  332. .start = 0x01c66000,
  333. .end = 0x01c667ff,
  334. .flags = IORESOURCE_MEM,
  335. },
  336. {
  337. .start = IRQ_DM355_SPINT0_1,
  338. .flags = IORESOURCE_IRQ,
  339. },
  340. /* Not yet used, so not included:
  341. * IORESOURCE_IRQ:
  342. * - IRQ_DM355_SPINT0_0
  343. * IORESOURCE_DMA:
  344. * - DAVINCI_DMA_SPI_SPIX
  345. * - DAVINCI_DMA_SPI_SPIR
  346. */
  347. };
  348. static struct platform_device dm355_spi0_device = {
  349. .name = "spi_davinci",
  350. .id = 0,
  351. .dev = {
  352. .dma_mask = &dm355_spi0_dma_mask,
  353. .coherent_dma_mask = DMA_BIT_MASK(32),
  354. },
  355. .num_resources = ARRAY_SIZE(dm355_spi0_resources),
  356. .resource = dm355_spi0_resources,
  357. };
  358. void __init dm355_init_spi0(unsigned chipselect_mask,
  359. struct spi_board_info *info, unsigned len)
  360. {
  361. /* for now, assume we need MISO */
  362. davinci_cfg_reg(DM355_SPI0_SDI);
  363. /* not all slaves will be wired up */
  364. if (chipselect_mask & BIT(0))
  365. davinci_cfg_reg(DM355_SPI0_SDENA0);
  366. if (chipselect_mask & BIT(1))
  367. davinci_cfg_reg(DM355_SPI0_SDENA1);
  368. spi_register_board_info(info, len);
  369. platform_device_register(&dm355_spi0_device);
  370. }
  371. /*----------------------------------------------------------------------*/
  372. /*
  373. * Device specific mux setup
  374. *
  375. * soc description mux mode mode mux dbg
  376. * reg offset mask mode
  377. */
  378. static const struct mux_config dm355_pins[] = {
  379. #ifdef CONFIG_DAVINCI_MUX
  380. MUX_CFG(DM355, MMCSD0, 4, 2, 1, 0, false)
  381. MUX_CFG(DM355, SD1_CLK, 3, 6, 1, 1, false)
  382. MUX_CFG(DM355, SD1_CMD, 3, 7, 1, 1, false)
  383. MUX_CFG(DM355, SD1_DATA3, 3, 8, 3, 1, false)
  384. MUX_CFG(DM355, SD1_DATA2, 3, 10, 3, 1, false)
  385. MUX_CFG(DM355, SD1_DATA1, 3, 12, 3, 1, false)
  386. MUX_CFG(DM355, SD1_DATA0, 3, 14, 3, 1, false)
  387. MUX_CFG(DM355, I2C_SDA, 3, 19, 1, 1, false)
  388. MUX_CFG(DM355, I2C_SCL, 3, 20, 1, 1, false)
  389. MUX_CFG(DM355, MCBSP0_BDX, 3, 0, 1, 1, false)
  390. MUX_CFG(DM355, MCBSP0_X, 3, 1, 1, 1, false)
  391. MUX_CFG(DM355, MCBSP0_BFSX, 3, 2, 1, 1, false)
  392. MUX_CFG(DM355, MCBSP0_BDR, 3, 3, 1, 1, false)
  393. MUX_CFG(DM355, MCBSP0_R, 3, 4, 1, 1, false)
  394. MUX_CFG(DM355, MCBSP0_BFSR, 3, 5, 1, 1, false)
  395. MUX_CFG(DM355, SPI0_SDI, 4, 1, 1, 0, false)
  396. MUX_CFG(DM355, SPI0_SDENA0, 4, 0, 1, 0, false)
  397. MUX_CFG(DM355, SPI0_SDENA1, 3, 28, 1, 1, false)
  398. INT_CFG(DM355, INT_EDMA_CC, 2, 1, 1, false)
  399. INT_CFG(DM355, INT_EDMA_TC0_ERR, 3, 1, 1, false)
  400. INT_CFG(DM355, INT_EDMA_TC1_ERR, 4, 1, 1, false)
  401. EVT_CFG(DM355, EVT8_ASP1_TX, 0, 1, 0, false)
  402. EVT_CFG(DM355, EVT9_ASP1_RX, 1, 1, 0, false)
  403. EVT_CFG(DM355, EVT26_MMC0_RX, 2, 1, 0, false)
  404. #endif
  405. };
  406. static u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
  407. [IRQ_DM355_CCDC_VDINT0] = 2,
  408. [IRQ_DM355_CCDC_VDINT1] = 6,
  409. [IRQ_DM355_CCDC_VDINT2] = 6,
  410. [IRQ_DM355_IPIPE_HST] = 6,
  411. [IRQ_DM355_H3AINT] = 6,
  412. [IRQ_DM355_IPIPE_SDR] = 6,
  413. [IRQ_DM355_IPIPEIFINT] = 6,
  414. [IRQ_DM355_OSDINT] = 7,
  415. [IRQ_DM355_VENCINT] = 6,
  416. [IRQ_ASQINT] = 6,
  417. [IRQ_IMXINT] = 6,
  418. [IRQ_USBINT] = 4,
  419. [IRQ_DM355_RTOINT] = 4,
  420. [IRQ_DM355_UARTINT2] = 7,
  421. [IRQ_DM355_TINT6] = 7,
  422. [IRQ_CCINT0] = 5, /* dma */
  423. [IRQ_CCERRINT] = 5, /* dma */
  424. [IRQ_TCERRINT0] = 5, /* dma */
  425. [IRQ_TCERRINT] = 5, /* dma */
  426. [IRQ_DM355_SPINT2_1] = 7,
  427. [IRQ_DM355_TINT7] = 4,
  428. [IRQ_DM355_SDIOINT0] = 7,
  429. [IRQ_MBXINT] = 7,
  430. [IRQ_MBRINT] = 7,
  431. [IRQ_MMCINT] = 7,
  432. [IRQ_DM355_MMCINT1] = 7,
  433. [IRQ_DM355_PWMINT3] = 7,
  434. [IRQ_DDRINT] = 7,
  435. [IRQ_AEMIFINT] = 7,
  436. [IRQ_DM355_SDIOINT1] = 4,
  437. [IRQ_TINT0_TINT12] = 2, /* clockevent */
  438. [IRQ_TINT0_TINT34] = 2, /* clocksource */
  439. [IRQ_TINT1_TINT12] = 7, /* DSP timer */
  440. [IRQ_TINT1_TINT34] = 7, /* system tick */
  441. [IRQ_PWMINT0] = 7,
  442. [IRQ_PWMINT1] = 7,
  443. [IRQ_PWMINT2] = 7,
  444. [IRQ_I2C] = 3,
  445. [IRQ_UARTINT0] = 3,
  446. [IRQ_UARTINT1] = 3,
  447. [IRQ_DM355_SPINT0_0] = 3,
  448. [IRQ_DM355_SPINT0_1] = 3,
  449. [IRQ_DM355_GPIO0] = 3,
  450. [IRQ_DM355_GPIO1] = 7,
  451. [IRQ_DM355_GPIO2] = 4,
  452. [IRQ_DM355_GPIO3] = 4,
  453. [IRQ_DM355_GPIO4] = 7,
  454. [IRQ_DM355_GPIO5] = 7,
  455. [IRQ_DM355_GPIO6] = 7,
  456. [IRQ_DM355_GPIO7] = 7,
  457. [IRQ_DM355_GPIO8] = 7,
  458. [IRQ_DM355_GPIO9] = 7,
  459. [IRQ_DM355_GPIOBNK0] = 7,
  460. [IRQ_DM355_GPIOBNK1] = 7,
  461. [IRQ_DM355_GPIOBNK2] = 7,
  462. [IRQ_DM355_GPIOBNK3] = 7,
  463. [IRQ_DM355_GPIOBNK4] = 7,
  464. [IRQ_DM355_GPIOBNK5] = 7,
  465. [IRQ_DM355_GPIOBNK6] = 7,
  466. [IRQ_COMMTX] = 7,
  467. [IRQ_COMMRX] = 7,
  468. [IRQ_EMUINT] = 7,
  469. };
  470. /*----------------------------------------------------------------------*/
  471. static const s8 dma_chan_dm355_no_event[] = {
  472. 12, 13, 24, 56, 57,
  473. 58, 59, 60, 61, 62,
  474. 63,
  475. -1
  476. };
  477. static struct edma_soc_info dm355_edma_info = {
  478. .n_channel = 64,
  479. .n_region = 4,
  480. .n_slot = 128,
  481. .n_tc = 2,
  482. .noevent = dma_chan_dm355_no_event,
  483. };
  484. static struct resource edma_resources[] = {
  485. {
  486. .name = "edma_cc",
  487. .start = 0x01c00000,
  488. .end = 0x01c00000 + SZ_64K - 1,
  489. .flags = IORESOURCE_MEM,
  490. },
  491. {
  492. .name = "edma_tc0",
  493. .start = 0x01c10000,
  494. .end = 0x01c10000 + SZ_1K - 1,
  495. .flags = IORESOURCE_MEM,
  496. },
  497. {
  498. .name = "edma_tc1",
  499. .start = 0x01c10400,
  500. .end = 0x01c10400 + SZ_1K - 1,
  501. .flags = IORESOURCE_MEM,
  502. },
  503. {
  504. .start = IRQ_CCINT0,
  505. .flags = IORESOURCE_IRQ,
  506. },
  507. {
  508. .start = IRQ_CCERRINT,
  509. .flags = IORESOURCE_IRQ,
  510. },
  511. /* not using (or muxing) TC*_ERR */
  512. };
  513. static struct platform_device dm355_edma_device = {
  514. .name = "edma",
  515. .id = -1,
  516. .dev.platform_data = &dm355_edma_info,
  517. .num_resources = ARRAY_SIZE(edma_resources),
  518. .resource = edma_resources,
  519. };
  520. /*----------------------------------------------------------------------*/
  521. static struct map_desc dm355_io_desc[] = {
  522. {
  523. .virtual = IO_VIRT,
  524. .pfn = __phys_to_pfn(IO_PHYS),
  525. .length = IO_SIZE,
  526. .type = MT_DEVICE
  527. },
  528. };
  529. /* Contents of JTAG ID register used to identify exact cpu type */
  530. static struct davinci_id dm355_ids[] = {
  531. {
  532. .variant = 0x0,
  533. .part_no = 0xb73b,
  534. .manufacturer = 0x00f,
  535. .cpu_id = DAVINCI_CPU_ID_DM355,
  536. .name = "dm355",
  537. },
  538. };
  539. static void __iomem *dm355_psc_bases[] = {
  540. IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
  541. };
  542. /*
  543. * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
  544. * T0_TOP: Timer 0, top : clocksource for generic timekeeping
  545. * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
  546. * T1_TOP: Timer 1, top : <unused>
  547. */
  548. struct davinci_timer_info dm355_timer_info = {
  549. .timers = davinci_timer_instance,
  550. .clockevent_id = T0_BOT,
  551. .clocksource_id = T0_TOP,
  552. };
  553. static struct davinci_soc_info davinci_soc_info_dm355 = {
  554. .io_desc = dm355_io_desc,
  555. .io_desc_num = ARRAY_SIZE(dm355_io_desc),
  556. .jtag_id_base = IO_ADDRESS(0x01c40028),
  557. .ids = dm355_ids,
  558. .ids_num = ARRAY_SIZE(dm355_ids),
  559. .cpu_clks = dm355_clks,
  560. .psc_bases = dm355_psc_bases,
  561. .psc_bases_num = ARRAY_SIZE(dm355_psc_bases),
  562. .pinmux_base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
  563. .pinmux_pins = dm355_pins,
  564. .pinmux_pins_num = ARRAY_SIZE(dm355_pins),
  565. .intc_base = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
  566. .intc_type = DAVINCI_INTC_TYPE_AINTC,
  567. .intc_irq_prios = dm355_default_priorities,
  568. .intc_irq_num = DAVINCI_N_AINTC_IRQ,
  569. .timer_info = &dm355_timer_info,
  570. .wdt_base = IO_ADDRESS(DAVINCI_WDOG_BASE),
  571. .gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
  572. .gpio_num = 104,
  573. .gpio_irq = IRQ_DM355_GPIOBNK0,
  574. };
  575. void __init dm355_init(void)
  576. {
  577. davinci_common_init(&davinci_soc_info_dm355);
  578. }
  579. static int __init dm355_init_devices(void)
  580. {
  581. if (!cpu_is_davinci_dm355())
  582. return 0;
  583. davinci_cfg_reg(DM355_INT_EDMA_CC);
  584. platform_device_register(&dm355_edma_device);
  585. return 0;
  586. }
  587. postcore_initcall(dm355_init_devices);