atmel_usart.h 7.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Register definitions for the Atmel USART3 module.
  4. *
  5. * Copyright (C) 2005-2006 Atmel Corporation
  6. *
  7. * Modified to support C structure SoC access by
  8. * Andreas Bießmann <biessmann@corscience.de>
  9. */
  10. #ifndef __DRIVERS_ATMEL_USART_H__
  11. #define __DRIVERS_ATMEL_USART_H__
  12. /* USART3 register footprint */
  13. typedef struct atmel_usart3 {
  14. u32 cr;
  15. u32 mr;
  16. u32 ier;
  17. u32 idr;
  18. u32 imr;
  19. u32 csr;
  20. u32 rhr;
  21. u32 thr;
  22. u32 brgr;
  23. u32 rtor;
  24. u32 ttgr;
  25. u32 reserved0[5];
  26. u32 fidi;
  27. u32 ner;
  28. u32 reserved1;
  29. u32 ifr;
  30. u32 man;
  31. u32 reserved2[54]; /* version and PDC not needed */
  32. } atmel_usart3_t;
  33. /* Bitfields in CR */
  34. #define USART3_RSTRX_OFFSET 2
  35. #define USART3_RSTRX_SIZE 1
  36. #define USART3_RSTTX_OFFSET 3
  37. #define USART3_RSTTX_SIZE 1
  38. #define USART3_RXEN_OFFSET 4
  39. #define USART3_RXEN_SIZE 1
  40. #define USART3_RXDIS_OFFSET 5
  41. #define USART3_RXDIS_SIZE 1
  42. #define USART3_TXEN_OFFSET 6
  43. #define USART3_TXEN_SIZE 1
  44. #define USART3_TXDIS_OFFSET 7
  45. #define USART3_TXDIS_SIZE 1
  46. #define USART3_RSTSTA_OFFSET 8
  47. #define USART3_RSTSTA_SIZE 1
  48. #define USART3_STTBRK_OFFSET 9
  49. #define USART3_STTBRK_SIZE 1
  50. #define USART3_STPBRK_OFFSET 10
  51. #define USART3_STPBRK_SIZE 1
  52. #define USART3_STTTO_OFFSET 11
  53. #define USART3_STTTO_SIZE 1
  54. #define USART3_SENDA_OFFSET 12
  55. #define USART3_SENDA_SIZE 1
  56. #define USART3_RSTIT_OFFSET 13
  57. #define USART3_RSTIT_SIZE 1
  58. #define USART3_RSTNACK_OFFSET 14
  59. #define USART3_RSTNACK_SIZE 1
  60. #define USART3_RETTO_OFFSET 15
  61. #define USART3_RETTO_SIZE 1
  62. #define USART3_DTREN_OFFSET 16
  63. #define USART3_DTREN_SIZE 1
  64. #define USART3_DTRDIS_OFFSET 17
  65. #define USART3_DTRDIS_SIZE 1
  66. #define USART3_RTSEN_OFFSET 18
  67. #define USART3_RTSEN_SIZE 1
  68. #define USART3_RTSDIS_OFFSET 19
  69. #define USART3_RTSDIS_SIZE 1
  70. #define USART3_COMM_TX_OFFSET 30
  71. #define USART3_COMM_TX_SIZE 1
  72. #define USART3_COMM_RX_OFFSET 31
  73. #define USART3_COMM_RX_SIZE 1
  74. /* Bitfields in MR */
  75. #define USART3_USART_MODE_OFFSET 0
  76. #define USART3_USART_MODE_SIZE 4
  77. #define USART3_USCLKS_OFFSET 4
  78. #define USART3_USCLKS_SIZE 2
  79. #define USART3_CHRL_OFFSET 6
  80. #define USART3_CHRL_SIZE 2
  81. #define USART3_SYNC_OFFSET 8
  82. #define USART3_SYNC_SIZE 1
  83. #define USART3_PAR_OFFSET 9
  84. #define USART3_PAR_SIZE 3
  85. #define USART3_NBSTOP_OFFSET 12
  86. #define USART3_NBSTOP_SIZE 2
  87. #define USART3_CHMODE_OFFSET 14
  88. #define USART3_CHMODE_SIZE 2
  89. #define USART3_MSBF_OFFSET 16
  90. #define USART3_MSBF_SIZE 1
  91. #define USART3_MODE9_OFFSET 17
  92. #define USART3_MODE9_SIZE 1
  93. #define USART3_CLKO_OFFSET 18
  94. #define USART3_CLKO_SIZE 1
  95. #define USART3_OVER_OFFSET 19
  96. #define USART3_OVER_SIZE 1
  97. #define USART3_INACK_OFFSET 20
  98. #define USART3_INACK_SIZE 1
  99. #define USART3_DSNACK_OFFSET 21
  100. #define USART3_DSNACK_SIZE 1
  101. #define USART3_MAX_ITERATION_OFFSET 24
  102. #define USART3_MAX_ITERATION_SIZE 3
  103. #define USART3_FILTER_OFFSET 28
  104. #define USART3_FILTER_SIZE 1
  105. /* Bitfields in CSR */
  106. #define USART3_RXRDY_OFFSET 0
  107. #define USART3_RXRDY_SIZE 1
  108. #define USART3_TXRDY_OFFSET 1
  109. #define USART3_TXRDY_SIZE 1
  110. #define USART3_RXBRK_OFFSET 2
  111. #define USART3_RXBRK_SIZE 1
  112. #define USART3_ENDRX_OFFSET 3
  113. #define USART3_ENDRX_SIZE 1
  114. #define USART3_ENDTX_OFFSET 4
  115. #define USART3_ENDTX_SIZE 1
  116. #define USART3_OVRE_OFFSET 5
  117. #define USART3_OVRE_SIZE 1
  118. #define USART3_FRAME_OFFSET 6
  119. #define USART3_FRAME_SIZE 1
  120. #define USART3_PARE_OFFSET 7
  121. #define USART3_PARE_SIZE 1
  122. #define USART3_TIMEOUT_OFFSET 8
  123. #define USART3_TIMEOUT_SIZE 1
  124. #define USART3_TXEMPTY_OFFSET 9
  125. #define USART3_TXEMPTY_SIZE 1
  126. #define USART3_ITERATION_OFFSET 10
  127. #define USART3_ITERATION_SIZE 1
  128. #define USART3_TXBUFE_OFFSET 11
  129. #define USART3_TXBUFE_SIZE 1
  130. #define USART3_RXBUFF_OFFSET 12
  131. #define USART3_RXBUFF_SIZE 1
  132. #define USART3_NACK_OFFSET 13
  133. #define USART3_NACK_SIZE 1
  134. #define USART3_RIIC_OFFSET 16
  135. #define USART3_RIIC_SIZE 1
  136. #define USART3_DSRIC_OFFSET 17
  137. #define USART3_DSRIC_SIZE 1
  138. #define USART3_DCDIC_OFFSET 18
  139. #define USART3_DCDIC_SIZE 1
  140. #define USART3_CTSIC_OFFSET 19
  141. #define USART3_CTSIC_SIZE 1
  142. #define USART3_RI_OFFSET 20
  143. #define USART3_RI_SIZE 1
  144. #define USART3_DSR_OFFSET 21
  145. #define USART3_DSR_SIZE 1
  146. #define USART3_DCD_OFFSET 22
  147. #define USART3_DCD_SIZE 1
  148. #define USART3_CTS_OFFSET 23
  149. #define USART3_CTS_SIZE 1
  150. /* Bitfields in RHR */
  151. #define USART3_RXCHR_OFFSET 0
  152. #define USART3_RXCHR_SIZE 9
  153. /* Bitfields in THR */
  154. #define USART3_TXCHR_OFFSET 0
  155. #define USART3_TXCHR_SIZE 9
  156. /* Bitfields in BRGR */
  157. #define USART3_CD_OFFSET 0
  158. #define USART3_CD_SIZE 16
  159. /* Bitfields in RTOR */
  160. #define USART3_TO_OFFSET 0
  161. #define USART3_TO_SIZE 16
  162. /* Bitfields in TTGR */
  163. #define USART3_TG_OFFSET 0
  164. #define USART3_TG_SIZE 8
  165. /* Bitfields in FIDI */
  166. #define USART3_FI_DI_RATIO_OFFSET 0
  167. #define USART3_FI_DI_RATIO_SIZE 11
  168. /* Bitfields in NER */
  169. #define USART3_NB_ERRORS_OFFSET 0
  170. #define USART3_NB_ERRORS_SIZE 8
  171. /* Bitfields in XXR */
  172. #define USART3_XOFF_OFFSET 0
  173. #define USART3_XOFF_SIZE 8
  174. #define USART3_XON_OFFSET 8
  175. #define USART3_XON_SIZE 8
  176. /* Bitfields in IFR */
  177. #define USART3_IRDA_FILTER_OFFSET 0
  178. #define USART3_IRDA_FILTER_SIZE 8
  179. /* Bitfields in RCR */
  180. #define USART3_RXCTR_OFFSET 0
  181. #define USART3_RXCTR_SIZE 16
  182. /* Bitfields in TCR */
  183. #define USART3_TXCTR_OFFSET 0
  184. #define USART3_TXCTR_SIZE 16
  185. /* Bitfields in RNCR */
  186. #define USART3_RXNCR_OFFSET 0
  187. #define USART3_RXNCR_SIZE 16
  188. /* Bitfields in TNCR */
  189. #define USART3_TXNCR_OFFSET 0
  190. #define USART3_TXNCR_SIZE 16
  191. /* Bitfields in PTCR */
  192. #define USART3_RXTEN_OFFSET 0
  193. #define USART3_RXTEN_SIZE 1
  194. #define USART3_RXTDIS_OFFSET 1
  195. #define USART3_RXTDIS_SIZE 1
  196. #define USART3_TXTEN_OFFSET 8
  197. #define USART3_TXTEN_SIZE 1
  198. #define USART3_TXTDIS_OFFSET 9
  199. #define USART3_TXTDIS_SIZE 1
  200. /* Constants for USART_MODE */
  201. #define USART3_USART_MODE_NORMAL 0
  202. #define USART3_USART_MODE_RS485 1
  203. #define USART3_USART_MODE_HARDWARE 2
  204. #define USART3_USART_MODE_MODEM 3
  205. #define USART3_USART_MODE_ISO7816_T0 4
  206. #define USART3_USART_MODE_ISO7816_T1 6
  207. #define USART3_USART_MODE_IRDA 8
  208. /* Constants for USCLKS */
  209. #define USART3_USCLKS_MCK 0
  210. #define USART3_USCLKS_MCK_DIV 1
  211. #define USART3_USCLKS_SCK 3
  212. /* Constants for CHRL */
  213. #define USART3_CHRL_5 0
  214. #define USART3_CHRL_6 1
  215. #define USART3_CHRL_7 2
  216. #define USART3_CHRL_8 3
  217. /* Constants for PAR */
  218. #define USART3_PAR_EVEN 0
  219. #define USART3_PAR_ODD 1
  220. #define USART3_PAR_SPACE 2
  221. #define USART3_PAR_MARK 3
  222. #define USART3_PAR_NONE 4
  223. #define USART3_PAR_MULTI 6
  224. /* Constants for NBSTOP */
  225. #define USART3_NBSTOP_1 0
  226. #define USART3_NBSTOP_1_5 1
  227. #define USART3_NBSTOP_2 2
  228. /* Constants for CHMODE */
  229. #define USART3_CHMODE_NORMAL 0
  230. #define USART3_CHMODE_ECHO 1
  231. #define USART3_CHMODE_LOCAL_LOOP 2
  232. #define USART3_CHMODE_REMOTE_LOOP 3
  233. /* Constants for MSBF */
  234. #define USART3_MSBF_LSBF 0
  235. #define USART3_MSBF_MSBF 1
  236. /* Constants for OVER */
  237. #define USART3_OVER_X16 0
  238. #define USART3_OVER_X8 1
  239. /* Constants for CD */
  240. #define USART3_CD_DISABLE 0
  241. #define USART3_CD_BYPASS 1
  242. /* Constants for TO */
  243. #define USART3_TO_DISABLE 0
  244. /* Constants for TG */
  245. #define USART3_TG_DISABLE 0
  246. /* Constants for FI_DI_RATIO */
  247. #define USART3_FI_DI_RATIO_DISABLE 0
  248. /* Bit manipulation macros */
  249. #define USART3_BIT(name) \
  250. (1 << USART3_##name##_OFFSET)
  251. #define USART3_BF(name,value) \
  252. (((value) & ((1 << USART3_##name##_SIZE) - 1)) \
  253. << USART3_##name##_OFFSET)
  254. #define USART3_BFEXT(name,value) \
  255. (((value) >> USART3_##name##_OFFSET) \
  256. & ((1 << USART3_##name##_SIZE) - 1))
  257. #define USART3_BFINS(name,value,old) \
  258. (((old) & ~(((1 << USART3_##name##_SIZE) - 1) \
  259. << USART3_##name##_OFFSET)) \
  260. | USART3_BF(name,value))
  261. #endif /* __DRIVERS_ATMEL_USART_H__ */