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  1. /***************************************************************************
  2. * Copyright (C) 2005 by Dominic Rath *
  3. * Dominic.Rath@gmx.de *
  4. * *
  5. * This program is free software; you can redistribute it and/or modify *
  6. * it under the terms of the GNU General Public License as published by *
  7. * the Free Software Foundation; either version 2 of the License, or *
  8. * (at your option) any later version. *
  9. * *
  10. * This program is distributed in the hope that it will be useful, *
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of *
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
  13. * GNU General Public License for more details. *
  14. * *
  15. * You should have received a copy of the GNU General Public License *
  16. * along with this program; if not, write to the *
  17. * Free Software Foundation, Inc., *
  18. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
  19. ***************************************************************************/
  20. #ifndef CFI_H
  21. #define CFI_H
  22. #include "flash.h"
  23. #include "target.h"
  24. typedef struct cfi_flash_bank_s
  25. {
  26. working_area_t *write_algorithm;
  27. int x16_as_x8;
  28. int jedec_probe;
  29. int not_cfi;
  30. int probed;
  31. u16 manufacturer;
  32. u16 device_id;
  33. char qry[3];
  34. /* identification string */
  35. u16 pri_id;
  36. u16 pri_addr;
  37. u16 alt_id;
  38. u16 alt_addr;
  39. /* device-system interface */
  40. u8 vcc_min;
  41. u8 vcc_max;
  42. u8 vpp_min;
  43. u8 vpp_max;
  44. u8 word_write_timeout_typ;
  45. u8 buf_write_timeout_typ;
  46. u8 block_erase_timeout_typ;
  47. u8 chip_erase_timeout_typ;
  48. u8 word_write_timeout_max;
  49. u8 buf_write_timeout_max;
  50. u8 block_erase_timeout_max;
  51. u8 chip_erase_timeout_max;
  52. /* flash geometry */
  53. u8 dev_size;
  54. u16 interface_desc;
  55. u16 max_buf_write_size;
  56. u8 num_erase_regions;
  57. u32 *erase_region_info;
  58. void *pri_ext;
  59. void *alt_ext;
  60. } cfi_flash_bank_t;
  61. /* Intel primary extended query table
  62. * as defined for the Advanced+ Boot Block Flash Memory (C3)
  63. * and used by the linux kernel cfi driver (as of 2.6.14)
  64. */
  65. typedef struct cfi_intel_pri_ext_s
  66. {
  67. char pri[3];
  68. u8 major_version;
  69. u8 minor_version;
  70. u32 feature_support;
  71. u8 suspend_cmd_support;
  72. u16 blk_status_reg_mask;
  73. u8 vcc_optimal;
  74. u8 vpp_optimal;
  75. u8 num_protection_fields;
  76. u16 prot_reg_addr;
  77. u8 fact_prot_reg_size;
  78. u8 user_prot_reg_size;
  79. u8 extra[0];
  80. } cfi_intel_pri_ext_t;
  81. /* Spansion primary extended query table as defined for and used by
  82. * the linux kernel cfi driver (as of 2.6.15)
  83. */
  84. typedef struct cfi_spansion_pri_ext_s
  85. {
  86. u8 pri[3];
  87. u8 major_version;
  88. u8 minor_version;
  89. u8 SiliconRevision; /* bits 1-0: Address Sensitive Unlock */
  90. u8 EraseSuspend;
  91. u8 BlkProt;
  92. u8 TmpBlkUnprotect;
  93. u8 BlkProtUnprot;
  94. u8 SimultaneousOps;
  95. u8 BurstMode;
  96. u8 PageMode;
  97. u8 VppMin;
  98. u8 VppMax;
  99. u8 TopBottom;
  100. int _reversed_geometry;
  101. u32 _unlock1;
  102. u32 _unlock2;
  103. } cfi_spansion_pri_ext_t;
  104. /* Atmel primary extended query table as defined for and used by
  105. * the linux kernel cfi driver (as of 2.6.20+)
  106. */
  107. typedef struct cfi_atmel_pri_ext_s
  108. {
  109. u8 pri[3];
  110. u8 major_version;
  111. u8 minor_version;
  112. u8 features;
  113. u8 bottom_boot;
  114. u8 burst_mode;
  115. u8 page_mode;
  116. } cfi_atmel_pri_ext_t;
  117. enum {
  118. CFI_UNLOCK_555_2AA,
  119. CFI_UNLOCK_5555_2AAA,
  120. };
  121. typedef struct cfi_unlock_addresses_s
  122. {
  123. u32 unlock1;
  124. u32 unlock2;
  125. } cfi_unlock_addresses_t;
  126. typedef struct cfi_fixup_s
  127. {
  128. u16 mfr;
  129. u16 id;
  130. void (*fixup)(flash_bank_t *flash, void *param);
  131. void *param;
  132. } cfi_fixup_t;
  133. #define CFI_MFR_AMD 0x0001
  134. #define CFI_MFR_FUJITSU 0x0004
  135. #define CFI_MFR_ATMEL 0x001F
  136. #define CFI_MFR_ST 0x0020 /* STMicroelectronics */
  137. #define CFI_MFR_SST 0x00BF
  138. #define CFI_MFR_ANY 0xffff
  139. #define CFI_ID_ANY 0xffff
  140. #endif /* CFI_H */