405_mal.h 4.6 KB

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  1. /* include/mal.h, openbios_walnut, walnut_bios 8/6/99 08:48:40 */
  2. /*----------------------------------------------------------------------------+
  3. | This source code is dual-licensed. You may use it under the terms of the
  4. | GNU General Public License version 2, or under the license below.
  5. |
  6. | This source code has been made available to you by IBM on an AS-IS
  7. | basis. Anyone receiving this source is licensed under IBM
  8. | copyrights to use it in any way he or she deems fit, including
  9. | copying it, modifying it, compiling it, and redistributing it either
  10. | with or without modifications. No license under IBM patents or
  11. | patent applications is to be implied by the copyright license.
  12. |
  13. | Any user of this software should understand that IBM cannot provide
  14. | technical support for this software and will not be responsible for
  15. | any consequences resulting from the use of this software.
  16. |
  17. | Any person who transfers this source code or any derivative work
  18. | must include the IBM copyright notice, this paragraph, and the
  19. | preceding two paragraphs in the transferred software.
  20. |
  21. | COPYRIGHT I B M CORPORATION 1999
  22. | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
  23. +----------------------------------------------------------------------------*/
  24. /*----------------------------------------------------------------------------+
  25. |
  26. | File Name: mal.h
  27. |
  28. | Function: Header file for the MAL (MADMAL) macro on the 405GP.
  29. |
  30. | Author: Mark Wisner
  31. |
  32. | Change Activity-
  33. |
  34. | Date Description of Change BY
  35. | --------- --------------------- ---
  36. | 29-Apr-99 Created MKW
  37. |
  38. +----------------------------------------------------------------------------*/
  39. /*----------------------------------------------------------------------------+
  40. | 17-Nov-03 Travis B. Sawyer, Sandburst Corporation, tsawyer@sandburst.com
  41. | Added register bit definitions to support multiple channels
  42. +----------------------------------------------------------------------------*/
  43. #ifndef _mal_h_
  44. #define _mal_h_
  45. /* MADMAL transmit and receive status/control bits */
  46. /* for COMMAC bits, refer to the COMMAC header file */
  47. #define MAL_TX_CTRL_READY 0x8000
  48. #define MAL_TX_CTRL_WRAP 0x4000
  49. #define MAL_TX_CTRL_CM 0x2000
  50. #define MAL_TX_CTRL_LAST 0x1000
  51. #define MAL_TX_CTRL_INTR 0x0400
  52. #define MAL_RX_CTRL_EMPTY 0x8000
  53. #define MAL_RX_CTRL_WRAP 0x4000
  54. #define MAL_RX_CTRL_CM 0x2000
  55. #define MAL_RX_CTRL_LAST 0x1000
  56. #define MAL_RX_CTRL_FIRST 0x0800
  57. #define MAL_RX_CTRL_INTR 0x0400
  58. /* Configuration Reg */
  59. #define MAL_CR_MMSR 0x80000000
  60. #define MAL_CR_PLBP_1 0x00400000 /* lowsest is 00 */
  61. #define MAL_CR_PLBP_2 0x00800000
  62. #define MAL_CR_PLBP_3 0x00C00000 /* highest */
  63. #define MAL_CR_GA 0x00200000
  64. #define MAL_CR_OA 0x00100000
  65. #define MAL_CR_PLBLE 0x00080000
  66. #define MAL_CR_PLBLT_1 0x00040000
  67. #define MAL_CR_PLBLT_2 0x00020000
  68. #define MAL_CR_PLBLT_3 0x00010000
  69. #define MAL_CR_PLBLT_4 0x00008000
  70. #define MAL_CR_PLBLT_DEFAULT 0x00078000 /* ????? */
  71. #define MAL_CR_PLBB 0x00004000
  72. #define MAL_CR_OPBBL 0x00000080
  73. #define MAL_CR_EOPIE 0x00000004
  74. #define MAL_CR_LEA 0x00000002
  75. #define MAL_CR_MSD 0x00000001
  76. /* Error Status Reg */
  77. #define MAL_ESR_EVB 0x80000000
  78. #define MAL_ESR_CID 0x40000000
  79. #define MAL_ESR_DE 0x00100000
  80. #define MAL_ESR_ONE 0x00080000
  81. #define MAL_ESR_OTE 0x00040000
  82. #define MAL_ESR_OSE 0x00020000
  83. #define MAL_ESR_PEIN 0x00010000
  84. /* same bit position as the IER */
  85. /* VV VV */
  86. #define MAL_ESR_DEI 0x00000010
  87. #define MAL_ESR_ONEI 0x00000008
  88. #define MAL_ESR_OTEI 0x00000004
  89. #define MAL_ESR_OSEI 0x00000002
  90. #define MAL_ESR_PBEI 0x00000001
  91. /* ^^ ^^ */
  92. /* Mal IER */
  93. #if defined(CONFIG_440SPE) || \
  94. defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
  95. defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
  96. defined(CONFIG_405EX)
  97. #define MAL_IER_PT 0x00000080
  98. #define MAL_IER_PRE 0x00000040
  99. #define MAL_IER_PWE 0x00000020
  100. #define MAL_IER_DE 0x00000010
  101. #define MAL_IER_OTE 0x00000004
  102. #define MAL_IER_OE 0x00000002
  103. #define MAL_IER_PE 0x00000001
  104. #else
  105. #define MAL_IER_DE 0x00000010
  106. #define MAL_IER_NE 0x00000008
  107. #define MAL_IER_TE 0x00000004
  108. #define MAL_IER_OPBE 0x00000002
  109. #define MAL_IER_PLBE 0x00000001
  110. #endif
  111. /* MAL Channel Active Set and Reset Registers */
  112. #define MAL_TXRX_CASR (0x80000000)
  113. #define MAL_TXRX_CASR_V(__x) (__x) /* Channel 0 shifts 0, channel 1 shifts 1, etc */
  114. /* MAL Buffer Descriptor structure */
  115. typedef struct {
  116. short ctrl; /* MAL / Commac status control bits */
  117. short data_len; /* Max length is 4K-1 (12 bits) */
  118. char *data_ptr; /* pointer to actual data buffer */
  119. } mal_desc_t;
  120. #endif