edma.h 5.6 KB

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  1. /*
  2. * EDMA Internal Memory Map
  3. *
  4. * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
  5. * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
  6. *
  7. * SPDX-License-Identifier: GPL-2.0+
  8. */
  9. #ifndef __EDMA_H__
  10. #define __EDMA_H__
  11. /*********************************************************************
  12. * Enhanced DMA (EDMA)
  13. *********************************************************************/
  14. /* eDMA module registers */
  15. typedef struct edma_ctrl {
  16. u32 cr; /* 0x00 Control Register */
  17. u32 es; /* 0x04 Error Status Register */
  18. u16 res1[3]; /* 0x08 - 0x0D */
  19. u16 erq; /* 0x0E Enable Request Register */
  20. u16 res2[3]; /* 0x10 - 0x15 */
  21. u16 eei; /* 0x16 Enable Error Interrupt Request */
  22. u8 serq; /* 0x18 Set Enable Request */
  23. u8 cerq; /* 0x19 Clear Enable Request */
  24. u8 seei; /* 0x1A Set En Error Interrupt Request */
  25. u8 ceei; /* 0x1B Clear En Error Interrupt Request */
  26. u8 cint; /* 0x1C Clear Interrupt Enable */
  27. u8 cerr; /* 0x1D Clear Error */
  28. u8 ssrt; /* 0x1E Set START Bit */
  29. u8 cdne; /* 0x1F Clear DONE Status Bit */
  30. u16 res3[3]; /* 0x20 - 0x25 */
  31. u16 intr; /* 0x26 Interrupt Request */
  32. u16 res4[3]; /* 0x28 - 0x2D */
  33. u16 err; /* 0x2E Error Register */
  34. u32 res5[52]; /* 0x30 - 0xFF */
  35. u8 dchpri0; /* 0x100 Channel 0 Priority */
  36. u8 dchpri1; /* 0x101 Channel 1 Priority */
  37. u8 dchpri2; /* 0x102 Channel 2 Priority */
  38. u8 dchpri3; /* 0x103 Channel 3 Priority */
  39. u8 dchpri4; /* 0x104 Channel 4 Priority */
  40. u8 dchpri5; /* 0x105 Channel 5 Priority */
  41. u8 dchpri6; /* 0x106 Channel 6 Priority */
  42. u8 dchpri7; /* 0x107 Channel 7 Priority */
  43. u8 dchpri8; /* 0x108 Channel 8 Priority */
  44. u8 dchpri9; /* 0x109 Channel 9 Priority */
  45. u8 dchpri10; /* 0x110 Channel 10 Priority */
  46. u8 dchpri11; /* 0x111 Channel 11 Priority */
  47. u8 dchpri12; /* 0x112 Channel 12 Priority */
  48. u8 dchpri13; /* 0x113 Channel 13 Priority */
  49. u8 dchpri14; /* 0x114 Channel 14 Priority */
  50. u8 dchpri15; /* 0x115 Channel 15 Priority */
  51. } edma_t;
  52. /* TCD - eDMA*/
  53. typedef struct tcd_ctrl {
  54. u32 saddr; /* 0x00 Source Address */
  55. u16 attr; /* 0x04 Transfer Attributes */
  56. u16 soff; /* 0x06 Signed Source Address Offset */
  57. u32 nbytes; /* 0x08 Minor Byte Count */
  58. u32 slast; /* 0x0C Last Source Address Adjustment */
  59. u32 daddr; /* 0x10 Destination address */
  60. u16 citer; /* 0x14 Cur Minor Loop Link, Major Loop Cnt */
  61. u16 doff; /* 0x16 Signed Destination Address Offset */
  62. u32 dlast_sga; /* 0x18 Last Dest Adr Adj/Scatter Gather Adr */
  63. u16 biter; /* 0x1C Minor Loop Lnk, Major Loop Cnt */
  64. u16 csr; /* 0x1E Control and Status */
  65. } tcd_st;
  66. typedef struct tcd_multiple {
  67. tcd_st tcd[16];
  68. } tcd_t;
  69. /* Bit definitions and macros for EPPAR */
  70. #define EPORT_EPPAR_EPPA1(x) (((x)&0x0003)<<2)
  71. #define EPORT_EPPAR_EPPA2(x) (((x)&0x0003)<<4)
  72. #define EPORT_EPPAR_EPPA3(x) (((x)&0x0003)<<6)
  73. #define EPORT_EPPAR_EPPA4(x) (((x)&0x0003)<<8)
  74. #define EPORT_EPPAR_EPPA5(x) (((x)&0x0003)<<10)
  75. #define EPORT_EPPAR_EPPA6(x) (((x)&0x0003)<<12)
  76. #define EPORT_EPPAR_EPPA7(x) (((x)&0x0003)<<14)
  77. #define EPORT_EPPAR_LEVEL (0)
  78. #define EPORT_EPPAR_RISING (1)
  79. #define EPORT_EPPAR_FALLING (2)
  80. #define EPORT_EPPAR_BOTH (3)
  81. #define EPORT_EPPAR_EPPA7_LEVEL (0x0000)
  82. #define EPORT_EPPAR_EPPA7_RISING (0x4000)
  83. #define EPORT_EPPAR_EPPA7_FALLING (0x8000)
  84. #define EPORT_EPPAR_EPPA7_BOTH (0xC000)
  85. #define EPORT_EPPAR_EPPA6_LEVEL (0x0000)
  86. #define EPORT_EPPAR_EPPA6_RISING (0x1000)
  87. #define EPORT_EPPAR_EPPA6_FALLING (0x2000)
  88. #define EPORT_EPPAR_EPPA6_BOTH (0x3000)
  89. #define EPORT_EPPAR_EPPA5_LEVEL (0x0000)
  90. #define EPORT_EPPAR_EPPA5_RISING (0x0400)
  91. #define EPORT_EPPAR_EPPA5_FALLING (0x0800)
  92. #define EPORT_EPPAR_EPPA5_BOTH (0x0C00)
  93. #define EPORT_EPPAR_EPPA4_LEVEL (0x0000)
  94. #define EPORT_EPPAR_EPPA4_RISING (0x0100)
  95. #define EPORT_EPPAR_EPPA4_FALLING (0x0200)
  96. #define EPORT_EPPAR_EPPA4_BOTH (0x0300)
  97. #define EPORT_EPPAR_EPPA3_LEVEL (0x0000)
  98. #define EPORT_EPPAR_EPPA3_RISING (0x0040)
  99. #define EPORT_EPPAR_EPPA3_FALLING (0x0080)
  100. #define EPORT_EPPAR_EPPA3_BOTH (0x00C0)
  101. #define EPORT_EPPAR_EPPA2_LEVEL (0x0000)
  102. #define EPORT_EPPAR_EPPA2_RISING (0x0010)
  103. #define EPORT_EPPAR_EPPA2_FALLING (0x0020)
  104. #define EPORT_EPPAR_EPPA2_BOTH (0x0030)
  105. #define EPORT_EPPAR_EPPA1_LEVEL (0x0000)
  106. #define EPORT_EPPAR_EPPA1_RISING (0x0004)
  107. #define EPORT_EPPAR_EPPA1_FALLING (0x0008)
  108. #define EPORT_EPPAR_EPPA1_BOTH (0x000C)
  109. /* Bit definitions and macros for EPDDR */
  110. #define EPORT_EPDDR_EPDD1 (0x02)
  111. #define EPORT_EPDDR_EPDD2 (0x04)
  112. #define EPORT_EPDDR_EPDD3 (0x08)
  113. #define EPORT_EPDDR_EPDD4 (0x10)
  114. #define EPORT_EPDDR_EPDD5 (0x20)
  115. #define EPORT_EPDDR_EPDD6 (0x40)
  116. #define EPORT_EPDDR_EPDD7 (0x80)
  117. /* Bit definitions and macros for EPIER */
  118. #define EPORT_EPIER_EPIE1 (0x02)
  119. #define EPORT_EPIER_EPIE2 (0x04)
  120. #define EPORT_EPIER_EPIE3 (0x08)
  121. #define EPORT_EPIER_EPIE4 (0x10)
  122. #define EPORT_EPIER_EPIE5 (0x20)
  123. #define EPORT_EPIER_EPIE6 (0x40)
  124. #define EPORT_EPIER_EPIE7 (0x80)
  125. /* Bit definitions and macros for EPDR */
  126. #define EPORT_EPDR_EPD1 (0x02)
  127. #define EPORT_EPDR_EPD2 (0x04)
  128. #define EPORT_EPDR_EPD3 (0x08)
  129. #define EPORT_EPDR_EPD4 (0x10)
  130. #define EPORT_EPDR_EPD5 (0x20)
  131. #define EPORT_EPDR_EPD6 (0x40)
  132. #define EPORT_EPDR_EPD7 (0x80)
  133. /* Bit definitions and macros for EPPDR */
  134. #define EPORT_EPPDR_EPPD1 (0x02)
  135. #define EPORT_EPPDR_EPPD2 (0x04)
  136. #define EPORT_EPPDR_EPPD3 (0x08)
  137. #define EPORT_EPPDR_EPPD4 (0x10)
  138. #define EPORT_EPPDR_EPPD5 (0x20)
  139. #define EPORT_EPPDR_EPPD6 (0x40)
  140. #define EPORT_EPPDR_EPPD7 (0x80)
  141. /* Bit definitions and macros for EPFR */
  142. #define EPORT_EPFR_EPF1 (0x02)
  143. #define EPORT_EPFR_EPF2 (0x04)
  144. #define EPORT_EPFR_EPF3 (0x08)
  145. #define EPORT_EPFR_EPF4 (0x10)
  146. #define EPORT_EPFR_EPF5 (0x20)
  147. #define EPORT_EPFR_EPF6 (0x40)
  148. #define EPORT_EPFR_EPF7 (0x80)
  149. #endif /* __EDMA_H__ */