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 #include <config.h>
  28
  29 #define MAX_HW_CFG_SIZE_V2 121 /* Max number of registers imx can set for v2 */
  30 #define MAX_HW_CFG_SIZE_V1 60  /* Max number of registers imx can set for v1 */
  31 #define APP_CODE_BARKER 0xB1
  32 #define DCD_BARKER      0xB17219E9
  33
  34 #define HEADER_OFFSET   0x400
  35
  36 #define CMD_DATA_STR    "DATA"
  37 #define FLASH_OFFSET_STANDARD   0x400
  38 #define FLASH_OFFSET_NAND       FLASH_OFFSET_STANDARD
  39 #define FLASH_OFFSET_SD         FLASH_OFFSET_STANDARD
  40 #define FLASH_OFFSET_SPI        FLASH_OFFSET_STANDARD
  41 #define FLASH_OFFSET_ONENAND    0x100
  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_DATA
  55 };
  56
  57 enum imximage_fld_types {
  58         CFG_INVALID = -1,
  59         CFG_COMMAND,
  60         CFG_REG_SIZE,
  61         CFG_REG_ADDRESS,
  62         CFG_REG_VALUE
  63 };
  64
  65 enum imximage_version {
  66         IMXIMAGE_VER_INVALID = -1,
  67         IMXIMAGE_V1 = 1,
  68         IMXIMAGE_V2
  69 };
  70
  71 typedef struct {
  72         uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
  73         uint32_t addr; /* Address to write to */
  74         uint32_t value; /* Data to write */
  75 } dcd_type_addr_data_t;
  76
  77 typedef struct {
  78         uint32_t barker; /* Barker for sanity check */
  79         uint32_t length; /* Device configuration length (without preamble) */
  80 } dcd_preamble_t;
  81
  82 typedef struct {
  83         dcd_preamble_t preamble;
  84         dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE_V1];
  85 } dcd_v1_t;
  86
  87 typedef struct {
  88         uint32_t app_code_jump_vector;
  89         uint32_t app_code_barker;
  90         uint32_t app_code_csf;
  91         uint32_t dcd_ptr_ptr;
  92         uint32_t super_root_key;
  93         uint32_t dcd_ptr;
  94         uint32_t app_dest_ptr;
  95 } flash_header_v1_t;
  96
  97 typedef struct {
  98         uint32_t length;        /* Length of data to be read from flash */
  99 } flash_cfg_parms_t;
 100
 101 typedef struct {
 102         flash_header_v1_t fhdr;
 103         dcd_v1_t dcd_table;
 104         flash_cfg_parms_t ext_header;
 105 } imx_header_v1_t;
 106
 107 typedef struct {
 108         uint32_t addr;
 109         uint32_t value;
 110 } dcd_addr_data_t;
 111
 112 typedef struct {
 113         uint8_t tag;
 114         uint16_t length;
 115         uint8_t version;
 116 } __attribute__((packed)) ivt_header_t;
 117
 118 typedef struct {
 119         uint8_t tag;
 120         uint16_t length;
 121         uint8_t param;
 122 } __attribute__((packed)) write_dcd_command_t;
 123
 124 typedef struct {
 125         ivt_header_t header;
 126         write_dcd_command_t write_dcd_command;
 127         dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
 128 } dcd_v2_t;
 129
 130 typedef struct {
 131         uint32_t start;
 132         uint32_t size;
 133         uint32_t plugin;
 134 } boot_data_t;
 135
 136 typedef struct {
 137         ivt_header_t header;
 138         uint32_t entry;
 139         uint32_t reserved1;
 140         uint32_t dcd_ptr;
 141         uint32_t boot_data_ptr;
 142         uint32_t self;
 143         uint32_t csf;
 144         uint32_t reserved2;
 145 } flash_header_v2_t;
 146
 147 typedef struct {
 148         flash_header_v2_t fhdr;
 149         boot_data_t boot_data;
 150         dcd_v2_t dcd_table;
 151 } imx_header_v2_t;
 152
 153 struct imx_header {
 154         union {
 155                 imx_header_v1_t hdr_v1;
 156                 imx_header_v2_t hdr_v2;
 157         } header;
 158         uint32_t flash_offset;
 159 };
 160
 161 typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
 162                                         char *name, int lineno,
 163                                         int fld, uint32_t value,
 164                                         uint32_t off);
 165
 166 typedef void (*set_dcd_rst_t)(struct imx_header *imxhdr,
 167                                         uint32_t dcd_len,
 168                                         char *name, int lineno);
 169
 170 typedef void (*set_imx_hdr_t)(struct imx_header *imxhdr,
 171                                         uint32_t dcd_len,
 172                                         struct stat *sbuf,
 173                                         struct mkimage_params *params);
 174
 175 #endif /* _IMXIMAGE_H_ */