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 220 /* 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 /*
  17  * NOTE: This file must be kept in sync with arch/arm/include/asm/\
  18  *       imx-common/imximage.cfg because tools/imximage.c can not
  19  *       cross-include headers from arch/arm/ and vice-versa.
  20  */
  21 #define CMD_DATA_STR    "DATA"
  22
  23 /* Initial Vector Table Offset */
  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 /* Initial Load Region Size */
  34 #define FLASH_LOADSIZE_UNDEFINED        0xFFFFFFFF
  35 #define FLASH_LOADSIZE_STANDARD         0x1000
  36 #define FLASH_LOADSIZE_NAND             FLASH_LOADSIZE_STANDARD
  37 #define FLASH_LOADSIZE_SD               FLASH_LOADSIZE_STANDARD
  38 #define FLASH_LOADSIZE_SPI              FLASH_LOADSIZE_STANDARD
  39 #define FLASH_LOADSIZE_ONENAND          0x400
  40 #define FLASH_LOADSIZE_NOR              0x0 /* entire image */
  41 #define FLASH_LOADSIZE_SATA             FLASH_LOADSIZE_STANDARD
  42
  43 #define IVT_HEADER_TAG 0xD1
  44 #define IVT_VERSION 0x40
  45 #define DCD_HEADER_TAG 0xD2
  46 #define DCD_COMMAND_TAG 0xCC
  47 #define DCD_VERSION 0x40
  48 #define DCD_COMMAND_PARAM 0x4
  49
  50 enum imximage_cmd {
  51         CMD_INVALID,
  52         CMD_IMAGE_VERSION,
  53         CMD_BOOT_FROM,
  54         CMD_BOOT_OFFSET,
  55         CMD_DATA,
  56         CMD_CSF,
  57 };
  58
  59 enum imximage_fld_types {
  60         CFG_INVALID = -1,
  61         CFG_COMMAND,
  62         CFG_REG_SIZE,
  63         CFG_REG_ADDRESS,
  64         CFG_REG_VALUE
  65 };
  66
  67 enum imximage_version {
  68         IMXIMAGE_VER_INVALID = -1,
  69         IMXIMAGE_V1 = 1,
  70         IMXIMAGE_V2
  71 };
  72
  73 typedef struct {
  74         uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
  75         uint32_t addr; /* Address to write to */
  76         uint32_t value; /* Data to write */
  77 } dcd_type_addr_data_t;
  78
  79 typedef struct {
  80         uint32_t barker; /* Barker for sanity check */
  81         uint32_t length; /* Device configuration length (without preamble) */
  82 } dcd_preamble_t;
  83
  84 typedef struct {
  85         dcd_preamble_t preamble;
  86         dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE_V1];
  87 } dcd_v1_t;
  88
  89 typedef struct {
  90         uint32_t app_code_jump_vector;
  91         uint32_t app_code_barker;
  92         uint32_t app_code_csf;
  93         uint32_t dcd_ptr_ptr;
  94         uint32_t super_root_key;
  95         uint32_t dcd_ptr;
  96         uint32_t app_dest_ptr;
  97 } flash_header_v1_t;
  98
  99 typedef struct {
 100         uint32_t length;        /* Length of data to be read from flash */
 101 } flash_cfg_parms_t;
 102
 103 typedef struct {
 104         flash_header_v1_t fhdr;
 105         dcd_v1_t dcd_table;
 106         flash_cfg_parms_t ext_header;
 107 } imx_header_v1_t;
 108
 109 typedef struct {
 110         uint32_t addr;
 111         uint32_t value;
 112 } dcd_addr_data_t;
 113
 114 typedef struct {
 115         uint8_t tag;
 116         uint16_t length;
 117         uint8_t version;
 118 } __attribute__((packed)) ivt_header_t;
 119
 120 typedef struct {
 121         uint8_t tag;
 122         uint16_t length;
 123         uint8_t param;
 124 } __attribute__((packed)) write_dcd_command_t;
 125
 126 typedef struct {
 127         ivt_header_t header;
 128         write_dcd_command_t write_dcd_command;
 129         dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
 130 } dcd_v2_t;
 131
 132 typedef struct {
 133         uint32_t start;
 134         uint32_t size;
 135         uint32_t plugin;
 136 } boot_data_t;
 137
 138 typedef struct {
 139         ivt_header_t header;
 140         uint32_t entry;
 141         uint32_t reserved1;
 142         uint32_t dcd_ptr;
 143         uint32_t boot_data_ptr;
 144         uint32_t self;
 145         uint32_t csf;
 146         uint32_t reserved2;
 147 } flash_header_v2_t;
 148
 149 typedef struct {
 150         flash_header_v2_t fhdr;
 151         boot_data_t boot_data;
 152         dcd_v2_t dcd_table;
 153 } imx_header_v2_t;
 154
 155 /* The header must be aligned to 4k on MX53 for NAND boot */
 156 struct imx_header {
 157         union {
 158                 imx_header_v1_t hdr_v1;
 159                 imx_header_v2_t hdr_v2;
 160         } header;
 161 };
 162
 163 typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
 164                                         char *name, int lineno,
 165                                         int fld, uint32_t value,
 166                                         uint32_t off);
 167
 168 typedef void (*set_dcd_rst_t)(struct imx_header *imxhdr,
 169                                         uint32_t dcd_len,
 170                                         char *name, int lineno);
 171
 172 typedef void (*set_imx_hdr_t)(struct imx_header *imxhdr, uint32_t dcd_len,
 173                 uint32_t entry_point, uint32_t flash_offset);
 174
 175 #endif /* _IMXIMAGE_H_ */