tools/imximage.h

   1 /*
   2  * (C) Copyright 2009
   3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef _IMXIMAGE_H_
   9 #define _IMXIMAGE_H_
  10
  11 #define MAX_HW_CFG_SIZE_V2 121 /* Max number of registers imx can set for v2 */
  12 #define MAX_HW_CFG_SIZE_V1 60  /* Max number of registers imx can set for v1 */
  13 #define APP_CODE_BARKER 0xB1
  14 #define DCD_BARKER      0xB17219E9
  15
  16 #define HEADER_OFFSET   0x400
  17
  18 /*
  19  * NOTE: This file must be kept in sync with arch/arm/include/asm/\
  20  *       imx-common/imximage.cfg because tools/imximage.c can not
  21  *       cross-include headers from arch/arm/ and vice-versa.
  22  */
  23 #define CMD_DATA_STR    "DATA"
  24 #define FLASH_OFFSET_UNDEFINED  0xFFFFFFFF
  25 #define FLASH_OFFSET_STANDARD   0x400
  26 #define FLASH_OFFSET_NAND       FLASH_OFFSET_STANDARD
  27 #define FLASH_OFFSET_SD         FLASH_OFFSET_STANDARD
  28 #define FLASH_OFFSET_SPI        FLASH_OFFSET_STANDARD
  29 #define FLASH_OFFSET_ONENAND    0x100
  30 #define FLASH_OFFSET_NOR        0x1000
  31 #define FLASH_OFFSET_SATA       FLASH_OFFSET_STANDARD
  32
  33 #define IVT_HEADER_TAG 0xD1
  34 #define IVT_VERSION 0x40
  35 #define DCD_HEADER_TAG 0xD2
  36 #define DCD_COMMAND_TAG 0xCC
  37 #define DCD_VERSION 0x40
  38 #define DCD_COMMAND_PARAM 0x4
  39
  40 enum imximage_cmd {
  41         CMD_INVALID,
  42         CMD_IMAGE_VERSION,
  43         CMD_BOOT_FROM,
  44         CMD_BOOT_OFFSET,
  45         CMD_DATA
  46 };
  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
  56 enum imximage_version {
  57         IMXIMAGE_VER_INVALID = -1,
  58         IMXIMAGE_V1 = 1,
  59         IMXIMAGE_V2
  60 };
  61
  62 typedef struct {
  63         uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
  64         uint32_t addr; /* Address to write to */
  65         uint32_t value; /* Data to write */
  66 } dcd_type_addr_data_t;
  67
  68 typedef struct {
  69         uint32_t barker; /* Barker for sanity check */
  70         uint32_t length; /* Device configuration length (without preamble) */
  71 } dcd_preamble_t;
  72
  73 typedef struct {
  74         dcd_preamble_t preamble;
  75         dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE_V1];
  76 } dcd_v1_t;
  77
  78 typedef struct {
  79         uint32_t app_code_jump_vector;
  80         uint32_t app_code_barker;
  81         uint32_t app_code_csf;
  82         uint32_t dcd_ptr_ptr;
  83         uint32_t super_root_key;
  84         uint32_t dcd_ptr;
  85         uint32_t app_dest_ptr;
  86 } flash_header_v1_t;
  87
  88 typedef struct {
  89         uint32_t length;        /* Length of data to be read from flash */
  90 } flash_cfg_parms_t;
  91
  92 typedef struct {
  93         flash_header_v1_t fhdr;
  94         dcd_v1_t dcd_table;
  95         flash_cfg_parms_t ext_header;
  96 } imx_header_v1_t;
  97
  98 typedef struct {
  99         uint32_t addr;
 100         uint32_t value;
 101 } dcd_addr_data_t;
 102
 103 typedef struct {
 104         uint8_t tag;
 105         uint16_t length;
 106         uint8_t version;
 107 } __attribute__((packed)) ivt_header_t;
 108
 109 typedef struct {
 110         uint8_t tag;
 111         uint16_t length;
 112         uint8_t param;
 113 } __attribute__((packed)) write_dcd_command_t;
 114
 115 typedef struct {
 116         ivt_header_t header;
 117         write_dcd_command_t write_dcd_command;
 118         dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
 119 } dcd_v2_t;
 120
 121 typedef struct {
 122         uint32_t start;
 123         uint32_t size;
 124         uint32_t plugin;
 125 } boot_data_t;
 126
 127 typedef struct {
 128         ivt_header_t header;
 129         uint32_t entry;
 130         uint32_t reserved1;
 131         uint32_t dcd_ptr;
 132         uint32_t boot_data_ptr;
 133         uint32_t self;
 134         uint32_t csf;
 135         uint32_t reserved2;
 136 } flash_header_v2_t;
 137
 138 typedef struct {
 139         flash_header_v2_t fhdr;
 140         boot_data_t boot_data;
 141         dcd_v2_t dcd_table;
 142 } imx_header_v2_t;
 143
 144 /* The header must be aligned to 4k on MX53 for NAND boot */
 145 struct imx_header {
 146         union {
 147                 imx_header_v1_t hdr_v1;
 148                 imx_header_v2_t hdr_v2;
 149         } header;
 150         uint32_t flash_offset;
 151 } __attribute__((aligned(4096)));
 152
 153 typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
 154                                         char *name, int lineno,
 155                                         int fld, uint32_t value,
 156                                         uint32_t off);
 157
 158 typedef void (*set_dcd_rst_t)(struct imx_header *imxhdr,
 159                                         uint32_t dcd_len,
 160                                         char *name, int lineno);
 161
 162 typedef void (*set_imx_hdr_t)(struct imx_header *imxhdr, uint32_t dcd_len,
 163                 uint32_t entry_point, uint32_t flash_offset);
 164
 165 #endif /* _IMXIMAGE_H_ */