tools/imximage.h

   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
  24 #ifndef _IMXIMAGE_H_
  25 #define _IMXIMAGE_H_
  26
  27 #define MAX_HW_CFG_SIZE_V2 121 /* Max number of registers imx can set for v2 */
  28 #define MAX_HW_CFG_SIZE_V1 60  /* Max number of registers imx can set for v1 */
  29 #define APP_CODE_BARKER 0xB1
  30 #define DCD_BARKER      0xB17219E9
  31
  32 #define HEADER_OFFSET   0x400
  33
  34 #define CMD_DATA_STR    "DATA"
  35 #define FLASH_OFFSET_STANDARD   0x400
  36 #define FLASH_OFFSET_NAND       FLASH_OFFSET_STANDARD
  37 #define FLASH_OFFSET_SD         FLASH_OFFSET_STANDARD
  38 #define FLASH_OFFSET_SPI        FLASH_OFFSET_STANDARD
  39 #define FLASH_OFFSET_ONENAND    0x100
  40
  41 #define IVT_HEADER_TAG 0xD1
  42 #define IVT_VERSION 0x40
  43 #define DCD_HEADER_TAG 0xD2
  44 #define DCD_COMMAND_TAG 0xCC
  45 #define DCD_VERSION 0x40
  46 #define DCD_COMMAND_PARAM 0x4
  47
  48 enum imximage_cmd {
  49         CMD_INVALID,
  50         CMD_IMAGE_VERSION,
  51         CMD_BOOT_FROM,
  52         CMD_DATA
  53 };
  54
  55 enum imximage_fld_types {
  56         CFG_INVALID = -1,
  57         CFG_COMMAND,
  58         CFG_REG_SIZE,
  59         CFG_REG_ADDRESS,
  60         CFG_REG_VALUE
  61 };
  62
  63 enum imximage_version {
  64         IMXIMAGE_VER_INVALID = -1,
  65         IMXIMAGE_V1 = 1,
  66         IMXIMAGE_V2
  67 };
  68
  69 typedef struct {
  70         uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
  71         uint32_t addr; /* Address to write to */
  72         uint32_t value; /* Data to write */
  73 } dcd_type_addr_data_t;
  74
  75 typedef struct {
  76         uint32_t barker; /* Barker for sanity check */
  77         uint32_t length; /* Device configuration length (without preamble) */
  78 } dcd_preamble_t;
  79
  80 typedef struct {
  81         dcd_preamble_t preamble;
  82         dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE_V1];
  83 } dcd_v1_t;
  84
  85 typedef struct {
  86         uint32_t app_code_jump_vector;
  87         uint32_t app_code_barker;
  88         uint32_t app_code_csf;
  89         uint32_t dcd_ptr_ptr;
  90         uint32_t super_root_key;
  91         uint32_t dcd_ptr;
  92         uint32_t app_dest_ptr;
  93 } flash_header_v1_t;
  94
  95 typedef struct {
  96         uint32_t length;        /* Length of data to be read from flash */
  97 } flash_cfg_parms_t;
  98
  99 typedef struct {
 100         flash_header_v1_t fhdr;
 101         dcd_v1_t dcd_table;
 102         flash_cfg_parms_t ext_header;
 103 } imx_header_v1_t;
 104
 105 typedef struct {
 106         uint32_t addr;
 107         uint32_t value;
 108 } dcd_addr_data_t;
 109
 110 typedef struct {
 111         uint8_t tag;
 112         uint16_t length;
 113         uint8_t version;
 114 } __attribute__((packed)) ivt_header_t;
 115
 116 typedef struct {
 117         uint8_t tag;
 118         uint16_t length;
 119         uint8_t param;
 120 } __attribute__((packed)) write_dcd_command_t;
 121
 122 typedef struct {
 123         ivt_header_t header;
 124         write_dcd_command_t write_dcd_command;
 125         dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
 126 } dcd_v2_t;
 127
 128 typedef struct {
 129         uint32_t start;
 130         uint32_t size;
 131         uint32_t plugin;
 132 } boot_data_t;
 133
 134 typedef struct {
 135         ivt_header_t header;
 136         uint32_t entry;
 137         uint32_t reserved1;
 138         uint32_t dcd_ptr;
 139         uint32_t boot_data_ptr;
 140         uint32_t self;
 141         uint32_t csf;
 142         uint32_t reserved2;
 143 } flash_header_v2_t;
 144
 145 typedef struct {
 146         flash_header_v2_t fhdr;
 147         boot_data_t boot_data;
 148         dcd_v2_t dcd_table;
 149 } imx_header_v2_t;
 150
 151 struct imx_header {
 152         union {
 153                 imx_header_v1_t hdr_v1;
 154                 imx_header_v2_t hdr_v2;
 155         } header;
 156         uint32_t flash_offset;
 157 };
 158
 159 typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
 160                                         char *name, int lineno,
 161                                         int fld, uint32_t value,
 162                                         uint32_t off);
 163
 164 typedef void (*set_dcd_rst_t)(struct imx_header *imxhdr,
 165                                         uint32_t dcd_len,
 166                                         char *name, int lineno);
 167
 168 typedef void (*set_imx_hdr_t)(struct imx_header *imxhdr,
 169                                         uint32_t dcd_len,
 170                                         struct stat *sbuf,
 171                                         struct mkimage_params *params);
 172
 173 #endif /* _IMXIMAGE_H_ */