imximage.h 4.0 KB

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  1. /*
  2. * (C) Copyright 2009
  3. * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. #ifndef _IMXIMAGE_H_
  24. #define _IMXIMAGE_H_
  25. #define MAX_HW_CFG_SIZE_V2 121 /* Max number of registers imx can set for v2 */
  26. #define MAX_HW_CFG_SIZE_V1 60 /* Max number of registers imx can set for v1 */
  27. #define APP_CODE_BARKER 0xB1
  28. #define DCD_BARKER 0xB17219E9
  29. #define HEADER_OFFSET 0x400
  30. #define CMD_DATA_STR "DATA"
  31. #define FLASH_OFFSET_STANDARD 0x400
  32. #define FLASH_OFFSET_NAND FLASH_OFFSET_STANDARD
  33. #define FLASH_OFFSET_SD FLASH_OFFSET_STANDARD
  34. #define FLASH_OFFSET_SPI FLASH_OFFSET_STANDARD
  35. #define FLASH_OFFSET_ONENAND 0x100
  36. #define IVT_HEADER_TAG 0xD1
  37. #define IVT_VERSION 0x40
  38. #define DCD_HEADER_TAG 0xD2
  39. #define DCD_COMMAND_TAG 0xCC
  40. #define DCD_VERSION 0x40
  41. #define DCD_COMMAND_PARAM 0x4
  42. enum imximage_cmd {
  43. CMD_INVALID,
  44. CMD_IMAGE_VERSION,
  45. CMD_BOOT_FROM,
  46. CMD_DATA
  47. };
  48. enum imximage_fld_types {
  49. CFG_INVALID = -1,
  50. CFG_COMMAND,
  51. CFG_REG_SIZE,
  52. CFG_REG_ADDRESS,
  53. CFG_REG_VALUE
  54. };
  55. enum imximage_version {
  56. IMXIMAGE_VER_INVALID = -1,
  57. IMXIMAGE_V1 = 1,
  58. IMXIMAGE_V2
  59. };
  60. typedef struct {
  61. uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
  62. uint32_t addr; /* Address to write to */
  63. uint32_t value; /* Data to write */
  64. } dcd_type_addr_data_t;
  65. typedef struct {
  66. uint32_t barker; /* Barker for sanity check */
  67. uint32_t length; /* Device configuration length (without preamble) */
  68. } dcd_preamble_t;
  69. typedef struct {
  70. dcd_preamble_t preamble;
  71. dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE_V1];
  72. } dcd_v1_t;
  73. typedef struct {
  74. uint32_t app_code_jump_vector;
  75. uint32_t app_code_barker;
  76. uint32_t app_code_csf;
  77. uint32_t dcd_ptr_ptr;
  78. uint32_t super_root_key;
  79. uint32_t dcd_ptr;
  80. uint32_t app_dest_ptr;
  81. } flash_header_v1_t;
  82. typedef struct {
  83. uint32_t length; /* Length of data to be read from flash */
  84. } flash_cfg_parms_t;
  85. typedef struct {
  86. flash_header_v1_t fhdr;
  87. dcd_v1_t dcd_table;
  88. flash_cfg_parms_t ext_header;
  89. } imx_header_v1_t;
  90. typedef struct {
  91. uint32_t addr;
  92. uint32_t value;
  93. } dcd_addr_data_t;
  94. typedef struct {
  95. uint8_t tag;
  96. uint16_t length;
  97. uint8_t version;
  98. } __attribute__((packed)) ivt_header_t;
  99. typedef struct {
  100. uint8_t tag;
  101. uint16_t length;
  102. uint8_t param;
  103. } __attribute__((packed)) write_dcd_command_t;
  104. typedef struct {
  105. ivt_header_t header;
  106. write_dcd_command_t write_dcd_command;
  107. dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
  108. } dcd_v2_t;
  109. typedef struct {
  110. uint32_t start;
  111. uint32_t size;
  112. uint32_t plugin;
  113. } boot_data_t;
  114. typedef struct {
  115. ivt_header_t header;
  116. uint32_t entry;
  117. uint32_t reserved1;
  118. uint32_t dcd_ptr;
  119. uint32_t boot_data_ptr;
  120. uint32_t self;
  121. uint32_t csf;
  122. uint32_t reserved2;
  123. } flash_header_v2_t;
  124. typedef struct {
  125. flash_header_v2_t fhdr;
  126. boot_data_t boot_data;
  127. dcd_v2_t dcd_table;
  128. } imx_header_v2_t;
  129. struct imx_header {
  130. union {
  131. imx_header_v1_t hdr_v1;
  132. imx_header_v2_t hdr_v2;
  133. } header;
  134. uint32_t flash_offset;
  135. };
  136. typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
  137. char *name, int lineno,
  138. int fld, uint32_t value,
  139. uint32_t off);
  140. typedef void (*set_dcd_rst_t)(struct imx_header *imxhdr,
  141. uint32_t dcd_len,
  142. char *name, int lineno);
  143. typedef void (*set_imx_hdr_t)(struct imx_header *imxhdr,
  144. uint32_t dcd_len,
  145. struct stat *sbuf,
  146. struct mkimage_params *params);
  147. #endif /* _IMXIMAGE_H_ */