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 /*
  35  * NOTE: This file must be kept in sync with arch/arm/include/asm/\
  36  *       imx-common/imximage.cfg because tools/imximage.c can not
  37  *       cross-include headers from arch/arm/ and vice-versa.
  38  */
  39 #define CMD_DATA_STR    "DATA"
  40 #define FLASH_OFFSET_UNDEFINED  0xFFFFFFFF
  41 #define FLASH_OFFSET_STANDARD   0x400
  42 #define FLASH_OFFSET_NAND       FLASH_OFFSET_STANDARD
  43 #define FLASH_OFFSET_SD         FLASH_OFFSET_STANDARD
  44 #define FLASH_OFFSET_SPI        FLASH_OFFSET_STANDARD
  45 #define FLASH_OFFSET_ONENAND    0x100
  46 #define FLASH_OFFSET_NOR        0x1000
  47 #define FLASH_OFFSET_SATA       FLASH_OFFSET_STANDARD
  48
  49 #define IVT_HEADER_TAG 0xD1
  50 #define IVT_VERSION 0x40
  51 #define DCD_HEADER_TAG 0xD2
  52 #define DCD_COMMAND_TAG 0xCC
  53 #define DCD_VERSION 0x40
  54 #define DCD_COMMAND_PARAM 0x4
  55
  56 enum imximage_cmd {
  57         CMD_INVALID,
  58         CMD_IMAGE_VERSION,
  59         CMD_BOOT_FROM,
  60         CMD_BOOT_OFFSET,
  61         CMD_DATA
  62 };
  63
  64 enum imximage_fld_types {
  65         CFG_INVALID = -1,
  66         CFG_COMMAND,
  67         CFG_REG_SIZE,
  68         CFG_REG_ADDRESS,
  69         CFG_REG_VALUE
  70 };
  71
  72 enum imximage_version {
  73         IMXIMAGE_VER_INVALID = -1,
  74         IMXIMAGE_V1 = 1,
  75         IMXIMAGE_V2
  76 };
  77
  78 typedef struct {
  79         uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
  80         uint32_t addr; /* Address to write to */
  81         uint32_t value; /* Data to write */
  82 } dcd_type_addr_data_t;
  83
  84 typedef struct {
  85         uint32_t barker; /* Barker for sanity check */
  86         uint32_t length; /* Device configuration length (without preamble) */
  87 } dcd_preamble_t;
  88
  89 typedef struct {
  90         dcd_preamble_t preamble;
  91         dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE_V1];
  92 } dcd_v1_t;
  93
  94 typedef struct {
  95         uint32_t app_code_jump_vector;
  96         uint32_t app_code_barker;
  97         uint32_t app_code_csf;
  98         uint32_t dcd_ptr_ptr;
  99         uint32_t super_root_key;
 100         uint32_t dcd_ptr;
 101         uint32_t app_dest_ptr;
 102 } flash_header_v1_t;
 103
 104 typedef struct {
 105         uint32_t length;        /* Length of data to be read from flash */
 106 } flash_cfg_parms_t;
 107
 108 typedef struct {
 109         flash_header_v1_t fhdr;
 110         dcd_v1_t dcd_table;
 111         flash_cfg_parms_t ext_header;
 112 } imx_header_v1_t;
 113
 114 typedef struct {
 115         uint32_t addr;
 116         uint32_t value;
 117 } dcd_addr_data_t;
 118
 119 typedef struct {
 120         uint8_t tag;
 121         uint16_t length;
 122         uint8_t version;
 123 } __attribute__((packed)) ivt_header_t;
 124
 125 typedef struct {
 126         uint8_t tag;
 127         uint16_t length;
 128         uint8_t param;
 129 } __attribute__((packed)) write_dcd_command_t;
 130
 131 typedef struct {
 132         ivt_header_t header;
 133         write_dcd_command_t write_dcd_command;
 134         dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
 135 } dcd_v2_t;
 136
 137 typedef struct {
 138         uint32_t start;
 139         uint32_t size;
 140         uint32_t plugin;
 141 } boot_data_t;
 142
 143 typedef struct {
 144         ivt_header_t header;
 145         uint32_t entry;
 146         uint32_t reserved1;
 147         uint32_t dcd_ptr;
 148         uint32_t boot_data_ptr;
 149         uint32_t self;
 150         uint32_t csf;
 151         uint32_t reserved2;
 152 } flash_header_v2_t;
 153
 154 typedef struct {
 155         flash_header_v2_t fhdr;
 156         boot_data_t boot_data;
 157         dcd_v2_t dcd_table;
 158 } imx_header_v2_t;
 159
 160 /* The header must be aligned to 4k on MX53 for NAND boot */
 161 struct imx_header {
 162         union {
 163                 imx_header_v1_t hdr_v1;
 164                 imx_header_v2_t hdr_v2;
 165         } header;
 166         uint32_t flash_offset;
 167 } __attribute__((aligned(4096)));
 168
 169 typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
 170                                         char *name, int lineno,
 171                                         int fld, uint32_t value,
 172                                         uint32_t off);
 173
 174 typedef void (*set_dcd_rst_t)(struct imx_header *imxhdr,
 175                                         uint32_t dcd_len,
 176                                         char *name, int lineno);
 177
 178 typedef void (*set_imx_hdr_t)(struct imx_header *imxhdr, uint32_t dcd_len,
 179                 uint32_t entry_point, uint32_t flash_offset);
 180
 181 #endif /* _IMXIMAGE_H_ */