dm355.c 17 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730
  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/serial_8250.h>
  15. #include <linux/platform_device.h>
  16. #include <linux/dma-mapping.h>
  17. #include <linux/gpio.h>
  18. #include <linux/spi/spi.h>
  19. #include <asm/mach/map.h>
  20. #include <mach/dm355.h>
  21. #include <mach/clock.h>
  22. #include <mach/cputype.h>
  23. #include <mach/edma.h>
  24. #include <mach/psc.h>
  25. #include <mach/mux.h>
  26. #include <mach/irqs.h>
  27. #include <mach/time.h>
  28. #include <mach/serial.h>
  29. #include <mach/common.h>
  30. #include "clock.h"
  31. #include "mux.h"
  32. #define DM355_UART2_BASE (IO_PHYS + 0x206000)
  33. /*
  34. * Device specific clocks
  35. */
  36. #define DM355_REF_FREQ 24000000 /* 24 or 36 MHz */
  37. static struct pll_data pll1_data = {
  38. .num = 1,
  39. .phys_base = DAVINCI_PLL1_BASE,
  40. .flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
  41. };
  42. static struct pll_data pll2_data = {
  43. .num = 2,
  44. .phys_base = DAVINCI_PLL2_BASE,
  45. .flags = PLL_HAS_PREDIV,
  46. };
  47. static struct clk ref_clk = {
  48. .name = "ref_clk",
  49. /* FIXME -- crystal rate is board-specific */
  50. .rate = DM355_REF_FREQ,
  51. };
  52. static struct clk pll1_clk = {
  53. .name = "pll1",
  54. .parent = &ref_clk,
  55. .flags = CLK_PLL,
  56. .pll_data = &pll1_data,
  57. };
  58. static struct clk pll1_aux_clk = {
  59. .name = "pll1_aux_clk",
  60. .parent = &pll1_clk,
  61. .flags = CLK_PLL | PRE_PLL,
  62. };
  63. static struct clk pll1_sysclk1 = {
  64. .name = "pll1_sysclk1",
  65. .parent = &pll1_clk,
  66. .flags = CLK_PLL,
  67. .div_reg = PLLDIV1,
  68. };
  69. static struct clk pll1_sysclk2 = {
  70. .name = "pll1_sysclk2",
  71. .parent = &pll1_clk,
  72. .flags = CLK_PLL,
  73. .div_reg = PLLDIV2,
  74. };
  75. static struct clk pll1_sysclk3 = {
  76. .name = "pll1_sysclk3",
  77. .parent = &pll1_clk,
  78. .flags = CLK_PLL,
  79. .div_reg = PLLDIV3,
  80. };
  81. static struct clk pll1_sysclk4 = {
  82. .name = "pll1_sysclk4",
  83. .parent = &pll1_clk,
  84. .flags = CLK_PLL,
  85. .div_reg = PLLDIV4,
  86. };
  87. static struct clk pll1_sysclkbp = {
  88. .name = "pll1_sysclkbp",
  89. .parent = &pll1_clk,
  90. .flags = CLK_PLL | PRE_PLL,
  91. .div_reg = BPDIV
  92. };
  93. static struct clk vpss_dac_clk = {
  94. .name = "vpss_dac",
  95. .parent = &pll1_sysclk3,
  96. .lpsc = DM355_LPSC_VPSS_DAC,
  97. };
  98. static struct clk vpss_master_clk = {
  99. .name = "vpss_master",
  100. .parent = &pll1_sysclk4,
  101. .lpsc = DAVINCI_LPSC_VPSSMSTR,
  102. .flags = CLK_PSC,
  103. };
  104. static struct clk vpss_slave_clk = {
  105. .name = "vpss_slave",
  106. .parent = &pll1_sysclk4,
  107. .lpsc = DAVINCI_LPSC_VPSSSLV,
  108. };
  109. static struct clk clkout1_clk = {
  110. .name = "clkout1",
  111. .parent = &pll1_aux_clk,
  112. /* NOTE: clkout1 can be externally gated by muxing GPIO-18 */
  113. };
  114. static struct clk clkout2_clk = {
  115. .name = "clkout2",
  116. .parent = &pll1_sysclkbp,
  117. };
  118. static struct clk pll2_clk = {
  119. .name = "pll2",
  120. .parent = &ref_clk,
  121. .flags = CLK_PLL,
  122. .pll_data = &pll2_data,
  123. };
  124. static struct clk pll2_sysclk1 = {
  125. .name = "pll2_sysclk1",
  126. .parent = &pll2_clk,
  127. .flags = CLK_PLL,
  128. .div_reg = PLLDIV1,
  129. };
  130. static struct clk pll2_sysclkbp = {
  131. .name = "pll2_sysclkbp",
  132. .parent = &pll2_clk,
  133. .flags = CLK_PLL | PRE_PLL,
  134. .div_reg = BPDIV
  135. };
  136. static struct clk clkout3_clk = {
  137. .name = "clkout3",
  138. .parent = &pll2_sysclkbp,
  139. /* NOTE: clkout3 can be externally gated by muxing GPIO-16 */
  140. };
  141. static struct clk arm_clk = {
  142. .name = "arm_clk",
  143. .parent = &pll1_sysclk1,
  144. .lpsc = DAVINCI_LPSC_ARM,
  145. .flags = ALWAYS_ENABLED,
  146. };
  147. /*
  148. * NOT LISTED below, and not touched by Linux
  149. * - in SyncReset state by default
  150. * .lpsc = DAVINCI_LPSC_TPCC,
  151. * .lpsc = DAVINCI_LPSC_TPTC0,
  152. * .lpsc = DAVINCI_LPSC_TPTC1,
  153. * .lpsc = DAVINCI_LPSC_DDR_EMIF, .parent = &sysclk2_clk,
  154. * .lpsc = DAVINCI_LPSC_MEMSTICK,
  155. * - in Enabled state by default
  156. * .lpsc = DAVINCI_LPSC_SYSTEM_SUBSYS,
  157. * .lpsc = DAVINCI_LPSC_SCR2, // "bus"
  158. * .lpsc = DAVINCI_LPSC_SCR3, // "bus"
  159. * .lpsc = DAVINCI_LPSC_SCR4, // "bus"
  160. * .lpsc = DAVINCI_LPSC_CROSSBAR, // "emulation"
  161. * .lpsc = DAVINCI_LPSC_CFG27, // "test"
  162. * .lpsc = DAVINCI_LPSC_CFG3, // "test"
  163. * .lpsc = DAVINCI_LPSC_CFG5, // "test"
  164. */
  165. static struct clk mjcp_clk = {
  166. .name = "mjcp",
  167. .parent = &pll1_sysclk1,
  168. .lpsc = DAVINCI_LPSC_IMCOP,
  169. };
  170. static struct clk uart0_clk = {
  171. .name = "uart0",
  172. .parent = &pll1_aux_clk,
  173. .lpsc = DAVINCI_LPSC_UART0,
  174. };
  175. static struct clk uart1_clk = {
  176. .name = "uart1",
  177. .parent = &pll1_aux_clk,
  178. .lpsc = DAVINCI_LPSC_UART1,
  179. };
  180. static struct clk uart2_clk = {
  181. .name = "uart2",
  182. .parent = &pll1_sysclk2,
  183. .lpsc = DAVINCI_LPSC_UART2,
  184. };
  185. static struct clk i2c_clk = {
  186. .name = "i2c",
  187. .parent = &pll1_aux_clk,
  188. .lpsc = DAVINCI_LPSC_I2C,
  189. };
  190. static struct clk asp0_clk = {
  191. .name = "asp0",
  192. .parent = &pll1_sysclk2,
  193. .lpsc = DAVINCI_LPSC_McBSP,
  194. };
  195. static struct clk asp1_clk = {
  196. .name = "asp1",
  197. .parent = &pll1_sysclk2,
  198. .lpsc = DM355_LPSC_McBSP1,
  199. };
  200. static struct clk mmcsd0_clk = {
  201. .name = "mmcsd0",
  202. .parent = &pll1_sysclk2,
  203. .lpsc = DAVINCI_LPSC_MMC_SD,
  204. };
  205. static struct clk mmcsd1_clk = {
  206. .name = "mmcsd1",
  207. .parent = &pll1_sysclk2,
  208. .lpsc = DM355_LPSC_MMC_SD1,
  209. };
  210. static struct clk spi0_clk = {
  211. .name = "spi0",
  212. .parent = &pll1_sysclk2,
  213. .lpsc = DAVINCI_LPSC_SPI,
  214. };
  215. static struct clk spi1_clk = {
  216. .name = "spi1",
  217. .parent = &pll1_sysclk2,
  218. .lpsc = DM355_LPSC_SPI1,
  219. };
  220. static struct clk spi2_clk = {
  221. .name = "spi2",
  222. .parent = &pll1_sysclk2,
  223. .lpsc = DM355_LPSC_SPI2,
  224. };
  225. static struct clk gpio_clk = {
  226. .name = "gpio",
  227. .parent = &pll1_sysclk2,
  228. .lpsc = DAVINCI_LPSC_GPIO,
  229. };
  230. static struct clk aemif_clk = {
  231. .name = "aemif",
  232. .parent = &pll1_sysclk2,
  233. .lpsc = DAVINCI_LPSC_AEMIF,
  234. };
  235. static struct clk pwm0_clk = {
  236. .name = "pwm0",
  237. .parent = &pll1_aux_clk,
  238. .lpsc = DAVINCI_LPSC_PWM0,
  239. };
  240. static struct clk pwm1_clk = {
  241. .name = "pwm1",
  242. .parent = &pll1_aux_clk,
  243. .lpsc = DAVINCI_LPSC_PWM1,
  244. };
  245. static struct clk pwm2_clk = {
  246. .name = "pwm2",
  247. .parent = &pll1_aux_clk,
  248. .lpsc = DAVINCI_LPSC_PWM2,
  249. };
  250. static struct clk pwm3_clk = {
  251. .name = "pwm3",
  252. .parent = &pll1_aux_clk,
  253. .lpsc = DM355_LPSC_PWM3,
  254. };
  255. static struct clk timer0_clk = {
  256. .name = "timer0",
  257. .parent = &pll1_aux_clk,
  258. .lpsc = DAVINCI_LPSC_TIMER0,
  259. };
  260. static struct clk timer1_clk = {
  261. .name = "timer1",
  262. .parent = &pll1_aux_clk,
  263. .lpsc = DAVINCI_LPSC_TIMER1,
  264. };
  265. static struct clk timer2_clk = {
  266. .name = "timer2",
  267. .parent = &pll1_aux_clk,
  268. .lpsc = DAVINCI_LPSC_TIMER2,
  269. .usecount = 1, /* REVISIT: why cant' this be disabled? */
  270. };
  271. static struct clk timer3_clk = {
  272. .name = "timer3",
  273. .parent = &pll1_aux_clk,
  274. .lpsc = DM355_LPSC_TIMER3,
  275. };
  276. static struct clk rto_clk = {
  277. .name = "rto",
  278. .parent = &pll1_aux_clk,
  279. .lpsc = DM355_LPSC_RTO,
  280. };
  281. static struct clk usb_clk = {
  282. .name = "usb",
  283. .parent = &pll1_sysclk2,
  284. .lpsc = DAVINCI_LPSC_USB,
  285. };
  286. static struct davinci_clk dm355_clks[] = {
  287. CLK(NULL, "ref", &ref_clk),
  288. CLK(NULL, "pll1", &pll1_clk),
  289. CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
  290. CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
  291. CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
  292. CLK(NULL, "pll1_sysclk4", &pll1_sysclk4),
  293. CLK(NULL, "pll1_aux", &pll1_aux_clk),
  294. CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
  295. CLK(NULL, "vpss_dac", &vpss_dac_clk),
  296. CLK(NULL, "vpss_master", &vpss_master_clk),
  297. CLK(NULL, "vpss_slave", &vpss_slave_clk),
  298. CLK(NULL, "clkout1", &clkout1_clk),
  299. CLK(NULL, "clkout2", &clkout2_clk),
  300. CLK(NULL, "pll2", &pll2_clk),
  301. CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
  302. CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
  303. CLK(NULL, "clkout3", &clkout3_clk),
  304. CLK(NULL, "arm", &arm_clk),
  305. CLK(NULL, "mjcp", &mjcp_clk),
  306. CLK(NULL, "uart0", &uart0_clk),
  307. CLK(NULL, "uart1", &uart1_clk),
  308. CLK(NULL, "uart2", &uart2_clk),
  309. CLK("i2c_davinci.1", NULL, &i2c_clk),
  310. CLK("soc-audio.0", NULL, &asp0_clk),
  311. CLK("soc-audio.1", NULL, &asp1_clk),
  312. CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
  313. CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
  314. CLK(NULL, "spi0", &spi0_clk),
  315. CLK(NULL, "spi1", &spi1_clk),
  316. CLK(NULL, "spi2", &spi2_clk),
  317. CLK(NULL, "gpio", &gpio_clk),
  318. CLK(NULL, "aemif", &aemif_clk),
  319. CLK(NULL, "pwm0", &pwm0_clk),
  320. CLK(NULL, "pwm1", &pwm1_clk),
  321. CLK(NULL, "pwm2", &pwm2_clk),
  322. CLK(NULL, "pwm3", &pwm3_clk),
  323. CLK(NULL, "timer0", &timer0_clk),
  324. CLK(NULL, "timer1", &timer1_clk),
  325. CLK("watchdog", NULL, &timer2_clk),
  326. CLK(NULL, "timer3", &timer3_clk),
  327. CLK(NULL, "rto", &rto_clk),
  328. CLK(NULL, "usb", &usb_clk),
  329. CLK(NULL, NULL, NULL),
  330. };
  331. /*----------------------------------------------------------------------*/
  332. static u64 dm355_spi0_dma_mask = DMA_BIT_MASK(32);
  333. static struct resource dm355_spi0_resources[] = {
  334. {
  335. .start = 0x01c66000,
  336. .end = 0x01c667ff,
  337. .flags = IORESOURCE_MEM,
  338. },
  339. {
  340. .start = IRQ_DM355_SPINT0_1,
  341. .flags = IORESOURCE_IRQ,
  342. },
  343. /* Not yet used, so not included:
  344. * IORESOURCE_IRQ:
  345. * - IRQ_DM355_SPINT0_0
  346. * IORESOURCE_DMA:
  347. * - DAVINCI_DMA_SPI_SPIX
  348. * - DAVINCI_DMA_SPI_SPIR
  349. */
  350. };
  351. static struct platform_device dm355_spi0_device = {
  352. .name = "spi_davinci",
  353. .id = 0,
  354. .dev = {
  355. .dma_mask = &dm355_spi0_dma_mask,
  356. .coherent_dma_mask = DMA_BIT_MASK(32),
  357. },
  358. .num_resources = ARRAY_SIZE(dm355_spi0_resources),
  359. .resource = dm355_spi0_resources,
  360. };
  361. void __init dm355_init_spi0(unsigned chipselect_mask,
  362. struct spi_board_info *info, unsigned len)
  363. {
  364. /* for now, assume we need MISO */
  365. davinci_cfg_reg(DM355_SPI0_SDI);
  366. /* not all slaves will be wired up */
  367. if (chipselect_mask & BIT(0))
  368. davinci_cfg_reg(DM355_SPI0_SDENA0);
  369. if (chipselect_mask & BIT(1))
  370. davinci_cfg_reg(DM355_SPI0_SDENA1);
  371. spi_register_board_info(info, len);
  372. platform_device_register(&dm355_spi0_device);
  373. }
  374. /*----------------------------------------------------------------------*/
  375. #define PINMUX0 0x00
  376. #define PINMUX1 0x04
  377. #define PINMUX2 0x08
  378. #define PINMUX3 0x0c
  379. #define PINMUX4 0x10
  380. #define INTMUX 0x18
  381. #define EVTMUX 0x1c
  382. /*
  383. * Device specific mux setup
  384. *
  385. * soc description mux mode mode mux dbg
  386. * reg offset mask mode
  387. */
  388. static const struct mux_config dm355_pins[] = {
  389. #ifdef CONFIG_DAVINCI_MUX
  390. MUX_CFG(DM355, MMCSD0, 4, 2, 1, 0, false)
  391. MUX_CFG(DM355, SD1_CLK, 3, 6, 1, 1, false)
  392. MUX_CFG(DM355, SD1_CMD, 3, 7, 1, 1, false)
  393. MUX_CFG(DM355, SD1_DATA3, 3, 8, 3, 1, false)
  394. MUX_CFG(DM355, SD1_DATA2, 3, 10, 3, 1, false)
  395. MUX_CFG(DM355, SD1_DATA1, 3, 12, 3, 1, false)
  396. MUX_CFG(DM355, SD1_DATA0, 3, 14, 3, 1, false)
  397. MUX_CFG(DM355, I2C_SDA, 3, 19, 1, 1, false)
  398. MUX_CFG(DM355, I2C_SCL, 3, 20, 1, 1, false)
  399. MUX_CFG(DM355, MCBSP0_BDX, 3, 0, 1, 1, false)
  400. MUX_CFG(DM355, MCBSP0_X, 3, 1, 1, 1, false)
  401. MUX_CFG(DM355, MCBSP0_BFSX, 3, 2, 1, 1, false)
  402. MUX_CFG(DM355, MCBSP0_BDR, 3, 3, 1, 1, false)
  403. MUX_CFG(DM355, MCBSP0_R, 3, 4, 1, 1, false)
  404. MUX_CFG(DM355, MCBSP0_BFSR, 3, 5, 1, 1, false)
  405. MUX_CFG(DM355, SPI0_SDI, 4, 1, 1, 0, false)
  406. MUX_CFG(DM355, SPI0_SDENA0, 4, 0, 1, 0, false)
  407. MUX_CFG(DM355, SPI0_SDENA1, 3, 28, 1, 1, false)
  408. INT_CFG(DM355, INT_EDMA_CC, 2, 1, 1, false)
  409. INT_CFG(DM355, INT_EDMA_TC0_ERR, 3, 1, 1, false)
  410. INT_CFG(DM355, INT_EDMA_TC1_ERR, 4, 1, 1, false)
  411. EVT_CFG(DM355, EVT8_ASP1_TX, 0, 1, 0, false)
  412. EVT_CFG(DM355, EVT9_ASP1_RX, 1, 1, 0, false)
  413. EVT_CFG(DM355, EVT26_MMC0_RX, 2, 1, 0, false)
  414. #endif
  415. };
  416. static u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
  417. [IRQ_DM355_CCDC_VDINT0] = 2,
  418. [IRQ_DM355_CCDC_VDINT1] = 6,
  419. [IRQ_DM355_CCDC_VDINT2] = 6,
  420. [IRQ_DM355_IPIPE_HST] = 6,
  421. [IRQ_DM355_H3AINT] = 6,
  422. [IRQ_DM355_IPIPE_SDR] = 6,
  423. [IRQ_DM355_IPIPEIFINT] = 6,
  424. [IRQ_DM355_OSDINT] = 7,
  425. [IRQ_DM355_VENCINT] = 6,
  426. [IRQ_ASQINT] = 6,
  427. [IRQ_IMXINT] = 6,
  428. [IRQ_USBINT] = 4,
  429. [IRQ_DM355_RTOINT] = 4,
  430. [IRQ_DM355_UARTINT2] = 7,
  431. [IRQ_DM355_TINT6] = 7,
  432. [IRQ_CCINT0] = 5, /* dma */
  433. [IRQ_CCERRINT] = 5, /* dma */
  434. [IRQ_TCERRINT0] = 5, /* dma */
  435. [IRQ_TCERRINT] = 5, /* dma */
  436. [IRQ_DM355_SPINT2_1] = 7,
  437. [IRQ_DM355_TINT7] = 4,
  438. [IRQ_DM355_SDIOINT0] = 7,
  439. [IRQ_MBXINT] = 7,
  440. [IRQ_MBRINT] = 7,
  441. [IRQ_MMCINT] = 7,
  442. [IRQ_DM355_MMCINT1] = 7,
  443. [IRQ_DM355_PWMINT3] = 7,
  444. [IRQ_DDRINT] = 7,
  445. [IRQ_AEMIFINT] = 7,
  446. [IRQ_DM355_SDIOINT1] = 4,
  447. [IRQ_TINT0_TINT12] = 2, /* clockevent */
  448. [IRQ_TINT0_TINT34] = 2, /* clocksource */
  449. [IRQ_TINT1_TINT12] = 7, /* DSP timer */
  450. [IRQ_TINT1_TINT34] = 7, /* system tick */
  451. [IRQ_PWMINT0] = 7,
  452. [IRQ_PWMINT1] = 7,
  453. [IRQ_PWMINT2] = 7,
  454. [IRQ_I2C] = 3,
  455. [IRQ_UARTINT0] = 3,
  456. [IRQ_UARTINT1] = 3,
  457. [IRQ_DM355_SPINT0_0] = 3,
  458. [IRQ_DM355_SPINT0_1] = 3,
  459. [IRQ_DM355_GPIO0] = 3,
  460. [IRQ_DM355_GPIO1] = 7,
  461. [IRQ_DM355_GPIO2] = 4,
  462. [IRQ_DM355_GPIO3] = 4,
  463. [IRQ_DM355_GPIO4] = 7,
  464. [IRQ_DM355_GPIO5] = 7,
  465. [IRQ_DM355_GPIO6] = 7,
  466. [IRQ_DM355_GPIO7] = 7,
  467. [IRQ_DM355_GPIO8] = 7,
  468. [IRQ_DM355_GPIO9] = 7,
  469. [IRQ_DM355_GPIOBNK0] = 7,
  470. [IRQ_DM355_GPIOBNK1] = 7,
  471. [IRQ_DM355_GPIOBNK2] = 7,
  472. [IRQ_DM355_GPIOBNK3] = 7,
  473. [IRQ_DM355_GPIOBNK4] = 7,
  474. [IRQ_DM355_GPIOBNK5] = 7,
  475. [IRQ_DM355_GPIOBNK6] = 7,
  476. [IRQ_COMMTX] = 7,
  477. [IRQ_COMMRX] = 7,
  478. [IRQ_EMUINT] = 7,
  479. };
  480. /*----------------------------------------------------------------------*/
  481. static const s8 dma_chan_dm355_no_event[] = {
  482. 12, 13, 24, 56, 57,
  483. 58, 59, 60, 61, 62,
  484. 63,
  485. -1
  486. };
  487. static struct edma_soc_info dm355_edma_info = {
  488. .n_channel = 64,
  489. .n_region = 4,
  490. .n_slot = 128,
  491. .n_tc = 2,
  492. .noevent = dma_chan_dm355_no_event,
  493. };
  494. static struct resource edma_resources[] = {
  495. {
  496. .name = "edma_cc",
  497. .start = 0x01c00000,
  498. .end = 0x01c00000 + SZ_64K - 1,
  499. .flags = IORESOURCE_MEM,
  500. },
  501. {
  502. .name = "edma_tc0",
  503. .start = 0x01c10000,
  504. .end = 0x01c10000 + SZ_1K - 1,
  505. .flags = IORESOURCE_MEM,
  506. },
  507. {
  508. .name = "edma_tc1",
  509. .start = 0x01c10400,
  510. .end = 0x01c10400 + SZ_1K - 1,
  511. .flags = IORESOURCE_MEM,
  512. },
  513. {
  514. .start = IRQ_CCINT0,
  515. .flags = IORESOURCE_IRQ,
  516. },
  517. {
  518. .start = IRQ_CCERRINT,
  519. .flags = IORESOURCE_IRQ,
  520. },
  521. /* not using (or muxing) TC*_ERR */
  522. };
  523. static struct platform_device dm355_edma_device = {
  524. .name = "edma",
  525. .id = -1,
  526. .dev.platform_data = &dm355_edma_info,
  527. .num_resources = ARRAY_SIZE(edma_resources),
  528. .resource = edma_resources,
  529. };
  530. /*----------------------------------------------------------------------*/
  531. static struct map_desc dm355_io_desc[] = {
  532. {
  533. .virtual = IO_VIRT,
  534. .pfn = __phys_to_pfn(IO_PHYS),
  535. .length = IO_SIZE,
  536. .type = MT_DEVICE
  537. },
  538. {
  539. .virtual = SRAM_VIRT,
  540. .pfn = __phys_to_pfn(0x00010000),
  541. .length = SZ_32K,
  542. /* MT_MEMORY_NONCACHED requires supersection alignment */
  543. .type = MT_DEVICE,
  544. },
  545. };
  546. /* Contents of JTAG ID register used to identify exact cpu type */
  547. static struct davinci_id dm355_ids[] = {
  548. {
  549. .variant = 0x0,
  550. .part_no = 0xb73b,
  551. .manufacturer = 0x00f,
  552. .cpu_id = DAVINCI_CPU_ID_DM355,
  553. .name = "dm355",
  554. },
  555. };
  556. static void __iomem *dm355_psc_bases[] = {
  557. IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
  558. };
  559. /*
  560. * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
  561. * T0_TOP: Timer 0, top : clocksource for generic timekeeping
  562. * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
  563. * T1_TOP: Timer 1, top : <unused>
  564. */
  565. struct davinci_timer_info dm355_timer_info = {
  566. .timers = davinci_timer_instance,
  567. .clockevent_id = T0_BOT,
  568. .clocksource_id = T0_TOP,
  569. };
  570. static struct plat_serial8250_port dm355_serial_platform_data[] = {
  571. {
  572. .mapbase = DAVINCI_UART0_BASE,
  573. .irq = IRQ_UARTINT0,
  574. .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
  575. UPF_IOREMAP,
  576. .iotype = UPIO_MEM,
  577. .regshift = 2,
  578. },
  579. {
  580. .mapbase = DAVINCI_UART1_BASE,
  581. .irq = IRQ_UARTINT1,
  582. .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
  583. UPF_IOREMAP,
  584. .iotype = UPIO_MEM,
  585. .regshift = 2,
  586. },
  587. {
  588. .mapbase = DM355_UART2_BASE,
  589. .irq = IRQ_DM355_UARTINT2,
  590. .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
  591. UPF_IOREMAP,
  592. .iotype = UPIO_MEM,
  593. .regshift = 2,
  594. },
  595. {
  596. .flags = 0
  597. },
  598. };
  599. static struct platform_device dm355_serial_device = {
  600. .name = "serial8250",
  601. .id = PLAT8250_DEV_PLATFORM,
  602. .dev = {
  603. .platform_data = dm355_serial_platform_data,
  604. },
  605. };
  606. static struct davinci_soc_info davinci_soc_info_dm355 = {
  607. .io_desc = dm355_io_desc,
  608. .io_desc_num = ARRAY_SIZE(dm355_io_desc),
  609. .jtag_id_base = IO_ADDRESS(0x01c40028),
  610. .ids = dm355_ids,
  611. .ids_num = ARRAY_SIZE(dm355_ids),
  612. .cpu_clks = dm355_clks,
  613. .psc_bases = dm355_psc_bases,
  614. .psc_bases_num = ARRAY_SIZE(dm355_psc_bases),
  615. .pinmux_base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
  616. .pinmux_pins = dm355_pins,
  617. .pinmux_pins_num = ARRAY_SIZE(dm355_pins),
  618. .intc_base = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
  619. .intc_type = DAVINCI_INTC_TYPE_AINTC,
  620. .intc_irq_prios = dm355_default_priorities,
  621. .intc_irq_num = DAVINCI_N_AINTC_IRQ,
  622. .timer_info = &dm355_timer_info,
  623. .wdt_base = IO_ADDRESS(DAVINCI_WDOG_BASE),
  624. .gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
  625. .gpio_num = 104,
  626. .gpio_irq = IRQ_DM355_GPIOBNK0,
  627. .serial_dev = &dm355_serial_device,
  628. .sram_dma = 0x00010000,
  629. .sram_len = SZ_32K,
  630. };
  631. void __init dm355_init(void)
  632. {
  633. davinci_common_init(&davinci_soc_info_dm355);
  634. }
  635. static int __init dm355_init_devices(void)
  636. {
  637. if (!cpu_is_davinci_dm355())
  638. return 0;
  639. davinci_cfg_reg(DM355_INT_EDMA_CC);
  640. platform_device_register(&dm355_edma_device);
  641. return 0;
  642. }
  643. postcore_initcall(dm355_init_devices);