include/imximage.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2009
   4  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
   5  */
   6
   7 #ifndef _IMXIMAGE_H_
   8 #define _IMXIMAGE_H_
   9
  10 #define MAX_HW_CFG_SIZE_V2 220 /* Max number of registers imx can set for v2 */
  11 #define MAX_PLUGIN_CODE_SIZE (64 * 1024)
  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 /* Specify the offset of the IVT in the IMX header as expected by BootROM */
  17 #define BOOTROM_IVT_HDR_OFFSET  0xC00
  18
  19 /*
  20  * NOTE: This file must be kept in sync with arch/arm/include/asm/\
  21  *       mach-imx/imximage.cfg because tools/imximage.c can not
  22  *       cross-include headers from arch/arm/ and vice-versa.
  23  */
  24 #define CMD_DATA_STR    "DATA"
  25
  26 /* Initial Vector Table Offset */
  27 #define FLASH_OFFSET_UNDEFINED  0xFFFFFFFF
  28 #define FLASH_OFFSET_STANDARD   0x400
  29 #define FLASH_OFFSET_NAND       FLASH_OFFSET_STANDARD
  30 #define FLASH_OFFSET_SD         FLASH_OFFSET_STANDARD
  31 #define FLASH_OFFSET_SPI        FLASH_OFFSET_STANDARD
  32 #define FLASH_OFFSET_ONENAND    0x100
  33 #define FLASH_OFFSET_NOR        0x1000
  34 #define FLASH_OFFSET_SATA       FLASH_OFFSET_STANDARD
  35 #define FLASH_OFFSET_QSPI       0x1000
  36 #define FLASH_OFFSET_FLEXSPI    0x1000
  37
  38 /* Initial Load Region Size */
  39 #define FLASH_LOADSIZE_UNDEFINED        0xFFFFFFFF
  40 #define FLASH_LOADSIZE_STANDARD         0x1000
  41 #define FLASH_LOADSIZE_NAND             FLASH_LOADSIZE_STANDARD
  42 #define FLASH_LOADSIZE_SD               FLASH_LOADSIZE_STANDARD
  43 #define FLASH_LOADSIZE_SPI              FLASH_LOADSIZE_STANDARD
  44 #define FLASH_LOADSIZE_ONENAND          0x400
  45 #define FLASH_LOADSIZE_NOR              0x0 /* entire image */
  46 #define FLASH_LOADSIZE_SATA             FLASH_LOADSIZE_STANDARD
  47 #define FLASH_LOADSIZE_QSPI             0x0 /* entire image */
  48
  49 /* Command tags and parameters */
  50 #define IVT_HEADER_TAG                  0xD1
  51 #define IVT_VERSION                     0x40
  52 #define IVT_VERSION_V3                  0x41
  53 #define DCD_HEADER_TAG                  0xD2
  54 #define DCD_VERSION                     0x40
  55 #define DCD_WRITE_DATA_COMMAND_TAG      0xCC
  56 #define DCD_WRITE_DATA_PARAM            0x4
  57 #define DCD_WRITE_CLR_BIT_PARAM         0xC
  58 #define DCD_WRITE_SET_BIT_PARAM         0x1C
  59 #define DCD_CHECK_DATA_COMMAND_TAG      0xCF
  60 #define DCD_CHECK_BITS_SET_PARAM        0x14
  61 #define DCD_CHECK_BITS_CLR_PARAM        0x04
  62
  63 #ifndef __ASSEMBLY__
  64 enum imximage_cmd {
  65         CMD_INVALID,
  66         CMD_IMAGE_VERSION,
  67         CMD_BOOT_FROM,
  68         CMD_BOOT_OFFSET,
  69         CMD_WRITE_DATA,
  70         CMD_WRITE_CLR_BIT,
  71         CMD_WRITE_SET_BIT,
  72         CMD_CHECK_BITS_SET,
  73         CMD_CHECK_BITS_CLR,
  74         CMD_CSF,
  75         CMD_PLUGIN,
  76         /* Follwoing on i.MX8MQ/MM */
  77         CMD_FIT,
  78         CMD_SIGNED_HDMI,
  79         CMD_LOADER,
  80         CMD_SECOND_LOADER,
  81         CMD_DDR_FW,
  82 };
  83
  84 enum imximage_fld_types {
  85         CFG_INVALID = -1,
  86         CFG_COMMAND,
  87         CFG_REG_SIZE,
  88         CFG_REG_ADDRESS,
  89         CFG_REG_VALUE
  90 };
  91
  92 enum imximage_version {
  93         IMXIMAGE_VER_INVALID = -1,
  94         IMXIMAGE_V1 = 1,
  95         IMXIMAGE_V2,
  96         IMXIMAGE_V3
  97 };
  98
  99 typedef struct {
 100         uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
 101         uint32_t addr; /* Address to write to */
 102         uint32_t value; /* Data to write */
 103 } dcd_type_addr_data_t;
 104
 105 typedef struct {
 106         uint32_t barker; /* Barker for sanity check */
 107         uint32_t length; /* Device configuration length (without preamble) */
 108 } dcd_preamble_t;
 109
 110 typedef struct {
 111         dcd_preamble_t preamble;
 112         dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE_V1];
 113 } dcd_v1_t;
 114
 115 typedef struct {
 116         uint32_t app_code_jump_vector;
 117         uint32_t app_code_barker;
 118         uint32_t app_code_csf;
 119         uint32_t dcd_ptr_ptr;
 120         uint32_t super_root_key;
 121         uint32_t dcd_ptr;
 122         uint32_t app_dest_ptr;
 123 } flash_header_v1_t;
 124
 125 typedef struct {
 126         uint32_t length;        /* Length of data to be read from flash */
 127 } flash_cfg_parms_t;
 128
 129 typedef struct {
 130         flash_header_v1_t fhdr;
 131         dcd_v1_t dcd_table;
 132         flash_cfg_parms_t ext_header;
 133 } imx_header_v1_t;
 134
 135 typedef struct {
 136         uint32_t addr;
 137         uint32_t value;
 138 } dcd_addr_data_t;
 139
 140 typedef struct {
 141         uint8_t tag;
 142         uint16_t length;
 143         uint8_t version;
 144 } __attribute__((packed)) ivt_header_t;
 145
 146 typedef struct {
 147         uint8_t tag;
 148         uint16_t length;
 149         uint8_t param;
 150 } __attribute__((packed)) write_dcd_command_t;
 151
 152 struct dcd_v2_cmd {
 153         write_dcd_command_t write_dcd_command;
 154         dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
 155 };
 156
 157 typedef struct {
 158         ivt_header_t header;
 159         struct dcd_v2_cmd dcd_cmd;
 160         uint32_t padding[1]; /* end up on an 8-byte boundary */
 161 } dcd_v2_t;
 162
 163 typedef struct {
 164         uint32_t start;
 165         uint32_t size;
 166         uint32_t plugin;
 167 } boot_data_t;
 168
 169 typedef struct {
 170         ivt_header_t header;
 171         uint32_t entry;
 172         uint32_t reserved1;
 173         uint32_t dcd_ptr;
 174         uint32_t boot_data_ptr;
 175         uint32_t self;
 176         uint32_t csf;
 177         uint32_t reserved2;
 178 } flash_header_v2_t;
 179
 180 typedef struct {
 181         flash_header_v2_t fhdr;
 182         boot_data_t boot_data;
 183         union {
 184                 dcd_v2_t dcd_table;
 185                 char plugin_code[MAX_PLUGIN_CODE_SIZE];
 186         } data;
 187 } imx_header_v2_t;
 188
 189 typedef struct {
 190         flash_header_v2_t fhdr;
 191         boot_data_t boot_data;
 192         uint32_t padding[5];
 193 } imx_header_v3_t;
 194
 195 /* The header must be aligned to 4k on MX53 for NAND boot */
 196 struct imx_header {
 197         union {
 198                 imx_header_v1_t hdr_v1;
 199                 imx_header_v2_t hdr_v2;
 200         } header;
 201 };
 202
 203 typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
 204                                         char *name, int lineno,
 205                                         int fld, uint32_t value,
 206                                         uint32_t off);
 207
 208 typedef void (*set_dcd_param_t)(struct imx_header *imxhdr, uint32_t dcd_len,
 209                                         int32_t cmd);
 210
 211 typedef void (*set_dcd_rst_t)(struct imx_header *imxhdr,
 212                                         uint32_t dcd_len,
 213                                         char *name, int lineno);
 214
 215 typedef void (*set_imx_hdr_t)(struct imx_header *imxhdr, uint32_t dcd_len,
 216                 uint32_t entry_point, uint32_t flash_offset);
 217
 218 #endif /* __ASSEMBLY__ */
 219 #endif /* _IMXIMAGE_H_ */