connectTheSignalSlot.c 7.5 KB

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  1. /*
  2. * arch/arm/mach-at91/at91sam9260.c
  3. *
  4. * Copyright (C) 2006 SAN People
  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 <linux/module.h>
  13. #include <asm/proc-fns.h>
  14. #include <asm/irq.h>
  15. #include <asm/mach/arch.h>
  16. #include <asm/mach/map.h>
  17. #include <asm/system_misc.h>
  18. #include <mach/cpu.h>
  19. #include <mach/at91_dbgu.h>
  20. #include <mach/at91sam9260.h>
  21. #include <mach/at91_pmc.h>
  22. #include "at91_aic.h"
  23. #include "at91_rstc.h"
  24. #include "soc.h"
  25. #include "generic.h"
  26. #include "clock.h"
  27. #include "sam9_smc.h"
  28. /* --------------------------------------------------------------------
  29. * Clocks
  30. * -------------------------------------------------------------------- */
  31. /*
  32. * The peripheral clocks.
  33. */
  34. static struct clk pioA_clk = {
  35. .name = "pioA_clk",
  36. .pmc_mask = 1 << AT91SAM9260_ID_PIOA,
  37. .type = CLK_TYPE_PERIPHERAL,
  38. };
  39. static struct clk pioB_clk = {
  40. .name = "pioB_clk",
  41. .pmc_mask = 1 << AT91SAM9260_ID_PIOB,
  42. .type = CLK_TYPE_PERIPHERAL,
  43. };
  44. static struct clk pioC_clk = {
  45. .name = "pioC_clk",
  46. .pmc_mask = 1 << AT91SAM9260_ID_PIOC,
  47. .type = CLK_TYPE_PERIPHERAL,
  48. };
  49. static struct clk adc_clk = {
  50. .name = "adc_clk",
  51. .pmc_mask = 1 << AT91SAM9260_ID_ADC,
  52. .type = CLK_TYPE_PERIPHERAL,
  53. };
  54. static struct clk adc_op_clk = {
  55. .name = "adc_op_clk",
  56. .type = CLK_TYPE_PERIPHERAL,
  57. .rate_hz = 5000000,
  58. };
  59. static struct clk usart0_clk = {
  60. .name = "usart0_clk",
  61. .pmc_mask = 1 << AT91SAM9260_ID_US0,
  62. .type = CLK_TYPE_PERIPHERAL,
  63. };
  64. static struct clk usart1_clk = {
  65. .name = "usart1_clk",
  66. .pmc_mask = 1 << AT91SAM9260_ID_US1,
  67. .type = CLK_TYPE_PERIPHERAL,
  68. };
  69. static struct clk usart2_clk = {
  70. .name = "usart2_clk",
  71. .pmc_mask = 1 << AT91SAM9260_ID_US2,
  72. .type = CLK_TYPE_PERIPHERAL,
  73. };
  74. static struct clk mmc_clk = {
  75. .name = "mci_clk",
  76. .pmc_mask = 1 << AT91SAM9260_ID_MCI,
  77. .type = CLK_TYPE_PERIPHERAL,
  78. };
  79. static struct clk udc_clk = {
  80. .name = "udc_clk",
  81. .pmc_mask = 1 << AT91SAM9260_ID_UDP,
  82. .type = CLK_TYPE_PERIPHERAL,
  83. };
  84. static struct clk twi_clk = {
  85. .name = "twi_clk",
  86. .pmc_mask = 1 << AT91SAM9260_ID_TWI,
  87. .type = CLK_TYPE_PERIPHERAL,
  88. };
  89. static struct clk spi0_clk = {
  90. .name = "spi0_clk",
  91. .pmc_mask = 1 << AT91SAM9260_ID_SPI0,
  92. .type = CLK_TYPE_PERIPHERAL,
  93. };
  94. static struct clk spi1_clk = {
  95. .name = "spi1_clk",
  96. .pmc_mask = 1 << AT91SAM9260_ID_SPI1,
  97. .type = CLK_TYPE_PERIPHERAL,
  98. };
  99. static struct clk ssc_clk = {
  100. .name = "ssc_clk",
  101. .pmc_mask = 1 << AT91SAM9260_ID_SSC,
  102. .type = CLK_TYPE_PERIPHERAL,
  103. };
  104. static struct clk tc0_clk = {
  105. .name = "tc0_clk",
  106. .pmc_mask = 1 << AT91SAM9260_ID_TC0,
  107. .type = CLK_TYPE_PERIPHERAL,
  108. };
  109. static struct clk tc1_clk = {
  110. .name = "tc1_clk",
  111. .pmc_mask = 1 << AT91SAM9260_ID_TC1,
  112. .type = CLK_TYPE_PERIPHERAL,
  113. };
  114. static struct clk tc2_clk = {
  115. .name = "tc2_clk",
  116. .pmc_mask = 1 << AT91SAM9260_ID_TC2,
  117. .type = CLK_TYPE_PERIPHERAL,
  118. };
  119. static struct clk ohci_clk = {
  120. .name = "ohci_clk",
  121. .pmc_mask = 1 << AT91SAM9260_ID_UHP,
  122. .type = CLK_TYPE_PERIPHERAL,
  123. };
  124. static struct clk macb_clk = {
  125. .name = "pclk",
  126. .pmc_mask = 1 << AT91SAM9260_ID_EMAC,
  127. .type = CLK_TYPE_PERIPHERAL,
  128. };
  129. static struct clk isi_clk = {
  130. .name = "isi_clk",
  131. .pmc_mask = 1 << AT91SAM9260_ID_ISI,
  132. .type = CLK_TYPE_PERIPHERAL,
  133. };
  134. static struct clk usart3_clk = {
  135. .name = "usart3_clk",
  136. .pmc_mask = 1 << AT91SAM9260_ID_US3,
  137. .type = CLK_TYPE_PERIPHERAL,
  138. };
  139. static struct clk usart4_clk = {
  140. .name = "usart4_clk",
  141. .pmc_mask = 1 << AT91SAM9260_ID_US4,
  142. .type = CLK_TYPE_PERIPHERAL,
  143. };
  144. static struct clk usart5_clk = {
  145. .name = "usart5_clk",
  146. .pmc_mask = 1 << AT91SAM9260_ID_US5,
  147. .type = CLK_TYPE_PERIPHERAL,
  148. };
  149. static struct clk tc3_clk = {
  150. .name = "tc3_clk",
  151. .pmc_mask = 1 << AT91SAM9260_ID_TC3,
  152. .type = CLK_TYPE_PERIPHERAL,
  153. };
  154. static struct clk tc4_clk = {
  155. .name = "tc4_clk",
  156. .pmc_mask = 1 << AT91SAM9260_ID_TC4,
  157. .type = CLK_TYPE_PERIPHERAL,
  158. };
  159. static struct clk tc5_clk = {
  160. .name = "tc5_clk",
  161. .pmc_mask = 1 << AT91SAM9260_ID_TC5,
  162. .type = CLK_TYPE_PERIPHERAL,
  163. };
  164. static struct clk *periph_clocks[] __initdata = {
  165. &pioA_clk,
  166. &pioB_clk,
  167. &pioC_clk,
  168. &adc_clk,
  169. &adc_op_clk,
  170. &usart0_clk,
  171. &usart1_clk,
  172. &usart2_clk,
  173. &mmc_clk,
  174. &udc_clk,
  175. &twi_clk,
  176. &spi0_clk,
  177. &spi1_clk,
  178. &ssc_clk,
  179. &tc0_clk,
  180. &tc1_clk,
  181. &tc2_clk,
  182. &ohci_clk,
  183. &macb_clk,
  184. &isi_clk,
  185. &usart3_clk,
  186. &usart4_clk,
  187. &usart5_clk,
  188. &tc3_clk,
  189. &tc4_clk,
  190. &tc5_clk,
  191. // irq0 .. irq2
  192. };
  193. static struct clk_lookup periph_clocks_lookups[] = {
  194. /* One additional fake clock for macb_hclk */
  195. CLKDEV_CON_ID("hclk", &macb_clk),
  196. CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.0", &spi0_clk),
  197. CLKDEV_CON_DEV_ID("spi_clk", "atmel_spi.1", &spi1_clk),
  198. CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.0", &tc0_clk),
  199. CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.0", &tc1_clk),
  200. CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.0", &tc2_clk),
  201. CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tc3_clk),
  202. CLKDEV_CON_DEV_ID("t1_clk", "atmel_tcb.1", &tc4_clk),
  203. CLKDEV_CON_DEV_ID("t2_clk", "atmel_tcb.1", &tc5_clk),
  204. CLKDEV_CON_DEV_ID("pclk", "at91rm9200_ssc.0", &ssc_clk),
  205. CLKDEV_CON_DEV_ID("pclk", "fffbc000.ssc", &ssc_clk),
  206. CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9260.0", &twi_clk),
  207. CLKDEV_CON_DEV_ID(NULL, "i2c-at91sam9g20.0", &twi_clk),
  208. /* more usart lookup table for DT entries */
  209. CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
  210. CLKDEV_CON_DEV_ID("usart", "fffb0000.serial", &usart0_clk),
  211. CLKDEV_CON_DEV_ID("usart", "fffb4000.serial", &usart1_clk),
  212. CLKDEV_CON_DEV_ID("usart", "fffb8000.serial", &usart2_clk),
  213. CLKDEV_CON_DEV_ID("usart", "fffd0000.serial", &usart3_clk),
  214. CLKDEV_CON_DEV_ID("usart", "fffd4000.serial", &usart4_clk),
  215. CLKDEV_CON_DEV_ID("usart", "fffd8000.serial", &usart5_clk),
  216. CLKDEV_CON_DEV_ID(NULL, "fffac000.i2c", &twi_clk),
  217. /* more tc lookup table for DT entries */
  218. CLKDEV_CON_DEV_ID("t0_clk", "fffa0000.timer", &tc0_clk),
  219. CLKDEV_CON_DEV_ID("t1_clk", "fffa0000.timer", &tc1_clk),
  220. CLKDEV_CON_DEV_ID("t2_clk", "fffa0000.timer", &tc2_clk),
  221. CLKDEV_CON_DEV_ID("t0_clk", "fffdc000.timer", &tc3_clk),
  222. CLKDEV_CON_DEV_ID("t1_clk", "fffdc000.timer", &tc4_clk),
  223. CLKDEV_CON_DEV_ID("t2_clk", "fffdc000.timer", &tc5_clk),
  224. CLKDEV_CON_DEV_ID("hclk", "500000.ohci", &ohci_clk),
  225. CLKDEV_CON_DEV_ID("mci_clk", "fffa8000.mmc", &mmc_clk),
  226. /* fake hclk clock */
  227. CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
  228. CLKDEV_CON_ID("pioA", &pioA_clk),
  229. CLKDEV_CON_ID("pioB", &pioB_clk),
  230. CLKDEV_CON_ID("pioC", &pioC_clk),
  231. CLKDEV_CON_DEV_ID(NULL, "fffff400.gpio", &pioA_clk),
  232. CLKDEV_CON_DEV_ID(NULL, "fffff600.gpio", &pioB_clk),
  233. CLKDEV_CON_DEV_ID(NULL, "fffff800.gpio", &pioC_clk),
  234. };
  235. static struct clk_lookup usart_clocks_lookups[] = {
  236. CLKDEV_CON_DEV_ID("usart", "atmel_usart.0", &mck),
  237. CLKDEV_CON_DEV_ID("usart", "atmel_usart.1", &usart0_clk),
  238. CLKDEV_CON_DEV_ID("usart", "atmel_usart.2", &usart1_clk),
  239. CLKDEV_CON_DEV_ID("usart", "atmel_usart.3", &usart2_clk),
  240. CLKDEV_CON_DEV_ID("usart", "atmel_usart.4", &usart3_clk),
  241. CLKDEV_CON_DEV_ID("usart", "atmel_usart.5", &usart4_clk),
  242. CLKDEV_CON_DEV_ID("usart", "atmel_usart.6", &usart5_clk),
  243. };
  244. /*
  245. * The two programmable clocks.
  246. * You must configure pin multiplexing to bring these signals out.
  247. */
  248. static struct clk pck0 = {
  249. .name = "pck0",
  250. .pmc_mask = AT91_PMC_PCK0,
  251. .type = CLK_TYPE_PROGRAMMABLE,
  252. .id = 0,
  253. };
  254. static struct clk pck1 = {
  255. .name = "pck1",
  256. .pmc_mask = AT91_PMC_PCK1,
  257. .type = CLK_TYPE_PROGRAMMABLE,
  258. .id = 1,
  259. };
  260. static void __init at91sam9260_register_clocks(void)
  261. {
  262. int i;
  263. for (i = 0; i < ARRAY_SIZE(periph_clocks); i++)
  264. clk_register(periph_clocks[i]);
  265. clkdev_add_table(periph_clocks_lookups,