atmel_mci.h 5.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ */
  2. /*
  3. * Copyright (C) 2005-2006 Atmel Corporation
  4. */
  5. #ifndef __ATMEL_MCI_H__
  6. #define __ATMEL_MCI_H__
  7. int atmel_mci_init(void *regs);
  8. #ifndef __ASSEMBLY__
  9. /*
  10. * Structure for struct SoC access.
  11. * Names starting with '_' are fillers.
  12. */
  13. typedef struct atmel_mci {
  14. /* reg Offset */
  15. u32 cr; /* 0x00 */
  16. u32 mr; /* 0x04 */
  17. u32 dtor; /* 0x08 */
  18. u32 sdcr; /* 0x0c */
  19. u32 argr; /* 0x10 */
  20. u32 cmdr; /* 0x14 */
  21. u32 blkr; /* 0x18 */
  22. u32 _1c; /* 0x1c */
  23. u32 rspr; /* 0x20 */
  24. u32 rspr1; /* 0x24 */
  25. u32 rspr2; /* 0x28 */
  26. u32 rspr3; /* 0x2c */
  27. u32 rdr; /* 0x30 */
  28. u32 tdr; /* 0x34 */
  29. u32 _38; /* 0x38 */
  30. u32 _3c; /* 0x3c */
  31. u32 sr; /* 0x40 */
  32. u32 ier; /* 0x44 */
  33. u32 idr; /* 0x48 */
  34. u32 imr; /* 0x4c */
  35. u32 dma; /* 0x50 */
  36. u32 cfg; /* 0x54 */
  37. u32 reserved[41];
  38. u32 version;
  39. } atmel_mci_t;
  40. #endif /* __ASSEMBLY__ */
  41. /* Bitfields in CR */
  42. #define MMCI_MCIEN_OFFSET 0
  43. #define MMCI_MCIEN_SIZE 1
  44. #define MMCI_MCIDIS_OFFSET 1
  45. #define MMCI_MCIDIS_SIZE 1
  46. #define MMCI_PWSEN_OFFSET 2
  47. #define MMCI_PWSEN_SIZE 1
  48. #define MMCI_PWSDIS_OFFSET 3
  49. #define MMCI_PWSDIS_SIZE 1
  50. #define MMCI_SWRST_OFFSET 7
  51. #define MMCI_SWRST_SIZE 1
  52. /* Bitfields in MR */
  53. #define MMCI_CLKDIV_OFFSET 0
  54. #define MMCI_CLKDIV_SIZE 8
  55. #define MMCI_PWSDIV_OFFSET 8
  56. #define MMCI_PWSDIV_SIZE 3
  57. #define MMCI_RDPROOF_OFFSET 11
  58. #define MMCI_RDPROOF_SIZE 1
  59. #define MMCI_WRPROOF_OFFSET 12
  60. #define MMCI_WRPROOF_SIZE 1
  61. #define MMCI_PDCPADV_OFFSET 14
  62. #define MMCI_PDCPADV_SIZE 1
  63. #define MMCI_PDCMODE_OFFSET 15
  64. #define MMCI_PDCMODE_SIZE 1
  65. /* MCI IP version >= 0x500, MR bit 16 used for CLKODD */
  66. #define MMCI_CLKODD_OFFSET 16
  67. #define MMCI_CLKODD_SIZE 1
  68. /* MCI IP version < 0x200, MR higher 16bits for BLKLEN */
  69. #define MMCI_BLKLEN_OFFSET 16
  70. #define MMCI_BLKLEN_SIZE 16
  71. /* Bitfields in DTOR */
  72. #define MMCI_DTOCYC_OFFSET 0
  73. #define MMCI_DTOCYC_SIZE 4
  74. #define MMCI_DTOMUL_OFFSET 4
  75. #define MMCI_DTOMUL_SIZE 3
  76. /* Bitfields in SDCR */
  77. #define MMCI_SCDSEL_OFFSET 0
  78. #define MMCI_SCDSEL_SIZE 4
  79. #define MMCI_SCDBUS_OFFSET 7
  80. #define MMCI_SCDBUS_SIZE 1
  81. /* Bitfields in ARGR */
  82. #define MMCI_ARG_OFFSET 0
  83. #define MMCI_ARG_SIZE 32
  84. /* Bitfields in CMDR */
  85. #define MMCI_CMDNB_OFFSET 0
  86. #define MMCI_CMDNB_SIZE 6
  87. #define MMCI_RSPTYP_OFFSET 6
  88. #define MMCI_RSPTYP_SIZE 2
  89. #define MMCI_SPCMD_OFFSET 8
  90. #define MMCI_SPCMD_SIZE 3
  91. #define MMCI_OPDCMD_OFFSET 11
  92. #define MMCI_OPDCMD_SIZE 1
  93. #define MMCI_MAXLAT_OFFSET 12
  94. #define MMCI_MAXLAT_SIZE 1
  95. #define MMCI_TRCMD_OFFSET 16
  96. #define MMCI_TRCMD_SIZE 2
  97. #define MMCI_TRDIR_OFFSET 18
  98. #define MMCI_TRDIR_SIZE 1
  99. #define MMCI_TRTYP_OFFSET 19
  100. #define MMCI_TRTYP_SIZE 2
  101. /* Bitfields in BLKR */
  102. /* MMCI_BLKLEN_OFFSET/SIZE already defined in MR */
  103. #define MMCI_BCNT_OFFSET 0
  104. #define MMCI_BCNT_SIZE 16
  105. /* Bitfields in RSPRx */
  106. #define MMCI_RSP_OFFSET 0
  107. #define MMCI_RSP_SIZE 32
  108. /* Bitfields in SR/IER/IDR/IMR */
  109. #define MMCI_CMDRDY_OFFSET 0
  110. #define MMCI_CMDRDY_SIZE 1
  111. #define MMCI_RXRDY_OFFSET 1
  112. #define MMCI_RXRDY_SIZE 1
  113. #define MMCI_TXRDY_OFFSET 2
  114. #define MMCI_TXRDY_SIZE 1
  115. #define MMCI_BLKE_OFFSET 3
  116. #define MMCI_BLKE_SIZE 1
  117. #define MMCI_DTIP_OFFSET 4
  118. #define MMCI_DTIP_SIZE 1
  119. #define MMCI_NOTBUSY_OFFSET 5
  120. #define MMCI_NOTBUSY_SIZE 1
  121. #define MMCI_ENDRX_OFFSET 6
  122. #define MMCI_ENDRX_SIZE 1
  123. #define MMCI_ENDTX_OFFSET 7
  124. #define MMCI_ENDTX_SIZE 1
  125. #define MMCI_RXBUFF_OFFSET 14
  126. #define MMCI_RXBUFF_SIZE 1
  127. #define MMCI_TXBUFE_OFFSET 15
  128. #define MMCI_TXBUFE_SIZE 1
  129. #define MMCI_RINDE_OFFSET 16
  130. #define MMCI_RINDE_SIZE 1
  131. #define MMCI_RDIRE_OFFSET 17
  132. #define MMCI_RDIRE_SIZE 1
  133. #define MMCI_RCRCE_OFFSET 18
  134. #define MMCI_RCRCE_SIZE 1
  135. #define MMCI_RENDE_OFFSET 19
  136. #define MMCI_RENDE_SIZE 1
  137. #define MMCI_RTOE_OFFSET 20
  138. #define MMCI_RTOE_SIZE 1
  139. #define MMCI_DCRCE_OFFSET 21
  140. #define MMCI_DCRCE_SIZE 1
  141. #define MMCI_DTOE_OFFSET 22
  142. #define MMCI_DTOE_SIZE 1
  143. #define MMCI_OVRE_OFFSET 30
  144. #define MMCI_OVRE_SIZE 1
  145. #define MMCI_UNRE_OFFSET 31
  146. #define MMCI_UNRE_SIZE 1
  147. /* Constants for DTOMUL */
  148. #define MMCI_DTOMUL_1_CYCLE 0
  149. #define MMCI_DTOMUL_16_CYCLES 1
  150. #define MMCI_DTOMUL_128_CYCLES 2
  151. #define MMCI_DTOMUL_256_CYCLES 3
  152. #define MMCI_DTOMUL_1024_CYCLES 4
  153. #define MMCI_DTOMUL_4096_CYCLES 5
  154. #define MMCI_DTOMUL_65536_CYCLES 6
  155. #define MMCI_DTOMUL_1048576_CYCLES 7
  156. /* Constants for RSPTYP */
  157. #define MMCI_RSPTYP_NO_RESP 0
  158. #define MMCI_RSPTYP_48_BIT_RESP 1
  159. #define MMCI_RSPTYP_136_BIT_RESP 2
  160. /* Constants for SPCMD */
  161. #define MMCI_SPCMD_NO_SPEC_CMD 0
  162. #define MMCI_SPCMD_INIT_CMD 1
  163. #define MMCI_SPCMD_SYNC_CMD 2
  164. #define MMCI_SPCMD_INT_CMD 4
  165. #define MMCI_SPCMD_INT_RESP 5
  166. /* Constants for TRCMD */
  167. #define MMCI_TRCMD_NO_TRANS 0
  168. #define MMCI_TRCMD_START_TRANS 1
  169. #define MMCI_TRCMD_STOP_TRANS 2
  170. /* Constants for TRTYP */
  171. #define MMCI_TRTYP_BLOCK 0
  172. #define MMCI_TRTYP_MULTI_BLOCK 1
  173. #define MMCI_TRTYP_STREAM 2
  174. /* Bitfields in CFG */
  175. #define MMCI_FIFOMODE_OFFSET 0
  176. #define MMCI_FIFOMODE_SIZE 1
  177. #define MMCI_FERRCTRL_OFFSET 4
  178. #define MMCI_FERRCTRL_SIZE 1
  179. #define MMCI_HSMODE_OFFSET 8
  180. #define MMCI_HSMODE_SIZE 1
  181. #define MMCI_LSYNC_OFFSET 12
  182. #define MMCI_LSYNC_SIZE 1
  183. /* Bit manipulation macros */
  184. #define MMCI_BIT(name) \
  185. (1 << MMCI_##name##_OFFSET)
  186. #define MMCI_BF(name,value) \
  187. (((value) & ((1 << MMCI_##name##_SIZE) - 1)) \
  188. << MMCI_##name##_OFFSET)
  189. #define MMCI_BFEXT(name,value) \
  190. (((value) >> MMCI_##name##_OFFSET)\
  191. & ((1 << MMCI_##name##_SIZE) - 1))
  192. #define MMCI_BFINS(name,value,old) \
  193. (((old) & ~(((1 << MMCI_##name##_SIZE) - 1) \
  194. << MMCI_##name##_OFFSET)) \
  195. | MMCI_BF(name,value))
  196. #endif /* __ATMEL_MCI_H__ */