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openocd/src/flash/cfi.h

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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. 

  23. #include "flash.h"

  24. #include "target.h"

  25. 

  26. typedef struct cfi_flash_bank_s

  27. {

  28. 	working_area_t *write_algorithm;

  29. 	

  30. 

  31. 	int x16_as_x8;

  32. 	int jedec_probe;

  33. 	int not_cfi;

  34. 	int probed;

  35. 

  36. 	u16 manufacturer;

  37. 	u16 device_id;

  38. 

  39. 	char qry[3];

  40. 

  41. 	/* identification string */

  42. 	u16 pri_id;

  43. 	u16 pri_addr;

  44. 	u16 alt_id;

  45. 	u16 alt_addr;

  46. 

  47. 	/* device-system interface */

  48. 	u8 vcc_min;

  49. 	u8 vcc_max;

  50. 	u8 vpp_min;

  51. 	u8 vpp_max;

  52. 	u8 word_write_timeout_typ;

  53. 	u8 buf_write_timeout_typ;

  54. 	u8 block_erase_timeout_typ;

  55. 	u8 chip_erase_timeout_typ;

  56. 	u8 word_write_timeout_max;

  57. 	u8 buf_write_timeout_max;

  58. 	u8 block_erase_timeout_max;

  59. 	u8 chip_erase_timeout_max;

  60. 

  61. 	/* flash geometry */

  62. 	u8 dev_size;

  63. 	u16 interface_desc;

  64. 	u16 max_buf_write_size;

  65. 	u8 num_erase_regions;

  66. 	u32 *erase_region_info;

  67. 

  68. 	void *pri_ext;

  69. 	void *alt_ext;

  70. } cfi_flash_bank_t;

  71. 

  72. /* Intel primary extended query table

  73.  * as defined for the Advanced+ Boot Block Flash Memory (C3)

  74.  * and used by the linux kernel cfi driver (as of 2.6.14)

  75.  */

  76. typedef struct cfi_intel_pri_ext_s

  77. {

  78. 	char pri[3];

  79. 	u8 major_version;

  80. 	u8 minor_version;

  81. 	u32 feature_support;

  82. 	u8 suspend_cmd_support;

  83. 	u16 blk_status_reg_mask;

  84. 	u8 vcc_optimal;

  85. 	u8 vpp_optimal;

  86. 	u8 num_protection_fields;

  87. 	u16 prot_reg_addr;

  88. 	u8 fact_prot_reg_size;

  89. 	u8 user_prot_reg_size;

  90. 	u8 extra[0];

  91. } cfi_intel_pri_ext_t;

  92. 

  93. /* Spansion primary extended query table as defined for and used by

  94.  * the linux kernel cfi driver (as of 2.6.15)

  95.  */

  96. typedef struct cfi_spansion_pri_ext_s

  97. {

  98. 	u8  pri[3];

  99. 	u8  major_version;

  100. 	u8  minor_version;

  101. 	u8  SiliconRevision; /* bits 1-0: Address Sensitive Unlock */

  102. 	u8  EraseSuspend;

  103. 	u8  BlkProt;

  104. 	u8  TmpBlkUnprotect;

  105. 	u8  BlkProtUnprot;

  106. 	u8  SimultaneousOps;

  107. 	u8  BurstMode;

  108. 	u8  PageMode;

  109. 	u8  VppMin;

  110. 	u8  VppMax;

  111. 	u8  TopBottom;

  112. 	int _reversed_geometry;

  113. 	u32 _unlock1;

  114. 	u32 _unlock2;

  115. } cfi_spansion_pri_ext_t;

  116. 

  117. /* Atmel primary extended query table as defined for and used by

  118.  * the linux kernel cfi driver (as of 2.6.20+)

  119.  */

  120. typedef struct cfi_atmel_pri_ext_s

  121. {

  122. 	u8 pri[3];

  123. 	u8 major_version;

  124. 	u8 minor_version;

  125. 	u8 features;

  126. 	u8 bottom_boot;

  127. 	u8 burst_mode;

  128. 	u8 page_mode;

  129. } cfi_atmel_pri_ext_t;

  130. 

  131. enum {

  132. 	CFI_UNLOCK_555_2AA,

  133. 	CFI_UNLOCK_5555_2AAA,

  134. };

  135. 

  136. typedef struct cfi_unlock_addresses_s

  137. {

  138. 	u32 unlock1;

  139. 	u32 unlock2;

  140. } cfi_unlock_addresses_t;

  141. 

  142. typedef struct cfi_fixup_s

  143. {

  144. 	u16 mfr;

  145. 	u16 id;

  146. 	void (*fixup)(flash_bank_t *flash, void *param);

  147. 	void *param;

  148. } cfi_fixup_t;

  149. 

  150. #define CFI_MFR_AMD		0x0001

  151. #define CFI_MFR_FUJITSU		0x0004

  152. #define CFI_MFR_ATMEL	0x001F

  153. #define CFI_MFR_ST		0x0020	/* STMicroelectronics */

  154. #define CFI_MFR_AMIC		0x0037

  155. #define CFI_MFR_SST		0x00BF

  156. #define CFI_MFR_MX		0x00C2

  157. 

  158. #define CFI_MFR_ANY		0xffff

  159. #define CFI_ID_ANY		0xffff

  160. 

  161. #endif /* CFI_H */