eisa_eeprom.h 4.4 KB

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  1. /*
  2. * eisa_eeprom.h - provide support for EISA adapters in PA-RISC machines
  3. *
  4. * This program is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU General Public License
  6. * as published by the Free Software Foundation; either version
  7. * 2 of the License, or (at your option) any later version.
  8. *
  9. * Copyright (c) 2001, 2002 Daniel Engstrom <5116@telia.com>
  10. *
  11. */
  12. #ifndef ASM_EISA_EEPROM_H
  13. #define ASM_EISA_EEPROM_H
  14. extern void __iomem *eisa_eeprom_addr;
  15. #define HPEE_MAX_LENGTH 0x2000 /* maximum eeprom length */
  16. #define HPEE_SLOT_INFO(slot) (20+(48*slot))
  17. struct eeprom_header
  18. {
  19. u_int32_t num_writes; /* number of writes */
  20. u_int8_t flags; /* flags, usage? */
  21. u_int8_t ver_maj;
  22. u_int8_t ver_min;
  23. u_int8_t num_slots; /* number of EISA slots in system */
  24. u_int16_t csum; /* checksum, I don't know how to calculate this */
  25. u_int8_t pad[10];
  26. } __attribute__ ((packed));
  27. struct eeprom_eisa_slot_info
  28. {
  29. u_int32_t eisa_slot_id;
  30. u_int32_t config_data_offset;
  31. u_int32_t num_writes;
  32. u_int16_t csum;
  33. u_int16_t num_functions;
  34. u_int16_t config_data_length;
  35. /* bits 0..3 are the duplicate slot id */
  36. #define HPEE_SLOT_INFO_EMBEDDED 0x10
  37. #define HPEE_SLOT_INFO_VIRTUAL 0x20
  38. #define HPEE_SLOT_INFO_NO_READID 0x40
  39. #define HPEE_SLOT_INFO_DUPLICATE 0x80
  40. u_int8_t slot_info;
  41. #define HPEE_SLOT_FEATURES_ENABLE 0x01
  42. #define HPEE_SLOT_FEATURES_IOCHK 0x02
  43. #define HPEE_SLOT_FEATURES_CFG_INCOMPLETE 0x80
  44. u_int8_t slot_features;
  45. u_int8_t ver_min;
  46. u_int8_t ver_maj;
  47. #define HPEE_FUNCTION_INFO_HAVE_TYPE 0x01
  48. #define HPEE_FUNCTION_INFO_HAVE_MEMORY 0x02
  49. #define HPEE_FUNCTION_INFO_HAVE_IRQ 0x04
  50. #define HPEE_FUNCTION_INFO_HAVE_DMA 0x08
  51. #define HPEE_FUNCTION_INFO_HAVE_PORT 0x10
  52. #define HPEE_FUNCTION_INFO_HAVE_PORT_INIT 0x20
  53. /* I think there are two slighty different
  54. * versions of the function_info field
  55. * one int the fixed header and one optional
  56. * in the parsed slot data area */
  57. #define HPEE_FUNCTION_INFO_HAVE_FUNCTION 0x01
  58. #define HPEE_FUNCTION_INFO_F_DISABLED 0x80
  59. #define HPEE_FUNCTION_INFO_CFG_FREE_FORM 0x40
  60. u_int8_t function_info;
  61. #define HPEE_FLAG_BOARD_IS_ISA 0x01 /* flag and minor version for isa board */
  62. u_int8_t flags;
  63. u_int8_t pad[24];
  64. } __attribute__ ((packed));
  65. #define HPEE_MEMORY_MAX_ENT 9
  66. /* memory descriptor: byte 0 */
  67. #define HPEE_MEMORY_WRITABLE 0x01
  68. #define HPEE_MEMORY_CACHABLE 0x02
  69. #define HPEE_MEMORY_TYPE_MASK 0x18
  70. #define HPEE_MEMORY_TYPE_SYS 0x00
  71. #define HPEE_MEMORY_TYPE_EXP 0x08
  72. #define HPEE_MEMORY_TYPE_VIR 0x10
  73. #define HPEE_MEMORY_TYPE_OTH 0x18
  74. #define HPEE_MEMORY_SHARED 0x20
  75. #define HPEE_MEMORY_MORE 0x80
  76. /* memory descriptor: byte 1 */
  77. #define HPEE_MEMORY_WIDTH_MASK 0x03
  78. #define HPEE_MEMORY_WIDTH_BYTE 0x00
  79. #define HPEE_MEMORY_WIDTH_WORD 0x01
  80. #define HPEE_MEMORY_WIDTH_DWORD 0x02
  81. #define HPEE_MEMORY_DECODE_MASK 0x0c
  82. #define HPEE_MEMORY_DECODE_20BITS 0x00
  83. #define HPEE_MEMORY_DECODE_24BITS 0x04
  84. #define HPEE_MEMORY_DECODE_32BITS 0x08
  85. /* byte 2 and 3 are a 16bit LE value
  86. * containing the memory size in kilobytes */
  87. /* byte 4,5,6 are a 24bit LE value
  88. * containing the memory base address */
  89. #define HPEE_IRQ_MAX_ENT 7
  90. /* Interrupt entry: byte 0 */
  91. #define HPEE_IRQ_CHANNEL_MASK 0xf
  92. #define HPEE_IRQ_TRIG_LEVEL 0x20
  93. #define HPEE_IRQ_MORE 0x80
  94. /* byte 1 seems to be unused */
  95. #define HPEE_DMA_MAX_ENT 4
  96. /* dma entry: byte 0 */
  97. #define HPEE_DMA_CHANNEL_MASK 7
  98. #define HPEE_DMA_SIZE_MASK 0xc
  99. #define HPEE_DMA_SIZE_BYTE 0x0
  100. #define HPEE_DMA_SIZE_WORD 0x4
  101. #define HPEE_DMA_SIZE_DWORD 0x8
  102. #define HPEE_DMA_SHARED 0x40
  103. #define HPEE_DMA_MORE 0x80
  104. /* dma entry: byte 1 */
  105. #define HPEE_DMA_TIMING_MASK 0x30
  106. #define HPEE_DMA_TIMING_ISA 0x0
  107. #define HPEE_DMA_TIMING_TYPEA 0x10
  108. #define HPEE_DMA_TIMING_TYPEB 0x20
  109. #define HPEE_DMA_TIMING_TYPEC 0x30
  110. #define HPEE_PORT_MAX_ENT 20
  111. /* port entry byte 0 */
  112. #define HPEE_PORT_SIZE_MASK 0x1f
  113. #define HPEE_PORT_SHARED 0x40
  114. #define HPEE_PORT_MORE 0x80
  115. /* byte 1 and 2 is a 16bit LE value
  116. * containing the start port number */
  117. #define HPEE_PORT_INIT_MAX_LEN 60 /* in bytes here */
  118. /* port init entry byte 0 */
  119. #define HPEE_PORT_INIT_WIDTH_MASK 0x3
  120. #define HPEE_PORT_INIT_WIDTH_BYTE 0x0
  121. #define HPEE_PORT_INIT_WIDTH_WORD 0x1
  122. #define HPEE_PORT_INIT_WIDTH_DWORD 0x2
  123. #define HPEE_PORT_INIT_MASK 0x4
  124. #define HPEE_PORT_INIT_MORE 0x80
  125. #define HPEE_SELECTION_MAX_ENT 26
  126. #define HPEE_TYPE_MAX_LEN 80
  127. #endif