imximage.h
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/*
* (C) Copyright 2009
* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef _IMXIMAGE_H_
#define _IMXIMAGE_H_
#define MAX_HW_CFG_SIZE_V2 121 /* Max number of registers imx can set for v2 */
#define MAX_HW_CFG_SIZE_V1 60 /* Max number of registers imx can set for v1 */
#define APP_CODE_BARKER 0xB1
#define DCD_BARKER 0xB17219E9
#define HEADER_OFFSET 0x400
#define CMD_DATA_STR "DATA"
#define FLASH_OFFSET_UNDEFINED 0xFFFFFFFF
#define FLASH_OFFSET_STANDARD 0x400
#define FLASH_OFFSET_NAND FLASH_OFFSET_STANDARD
#define FLASH_OFFSET_SD FLASH_OFFSET_STANDARD
#define FLASH_OFFSET_SPI FLASH_OFFSET_STANDARD
#define FLASH_OFFSET_ONENAND 0x100
#define FLASH_OFFSET_NOR 0x1000
#define FLASH_OFFSET_SATA FLASH_OFFSET_STANDARD
#define IVT_HEADER_TAG 0xD1
#define IVT_VERSION 0x40
#define DCD_HEADER_TAG 0xD2
#define DCD_COMMAND_TAG 0xCC
#define DCD_VERSION 0x40
#define DCD_COMMAND_PARAM 0x4
enum imximage_cmd {
CMD_INVALID,
CMD_IMAGE_VERSION,
CMD_BOOT_FROM,
CMD_DATA
};
enum imximage_fld_types {
CFG_INVALID = -1,
CFG_COMMAND,
CFG_REG_SIZE,
CFG_REG_ADDRESS,
CFG_REG_VALUE
};
enum imximage_version {
IMXIMAGE_VER_INVALID = -1,
IMXIMAGE_V1 = 1,
IMXIMAGE_V2
};
typedef struct {
uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
uint32_t addr; /* Address to write to */
uint32_t value; /* Data to write */
} dcd_type_addr_data_t;
typedef struct {
uint32_t barker; /* Barker for sanity check */
uint32_t length; /* Device configuration length (without preamble) */
} dcd_preamble_t;
typedef struct {
dcd_preamble_t preamble;
dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE_V1];
} dcd_v1_t;
typedef struct {
uint32_t app_code_jump_vector;
uint32_t app_code_barker;
uint32_t app_code_csf;
uint32_t dcd_ptr_ptr;
uint32_t super_root_key;
uint32_t dcd_ptr;
uint32_t app_dest_ptr;
} flash_header_v1_t;
typedef struct {
uint32_t length; /* Length of data to be read from flash */
} flash_cfg_parms_t;
typedef struct {
flash_header_v1_t fhdr;
dcd_v1_t dcd_table;
flash_cfg_parms_t ext_header;
} imx_header_v1_t;
typedef struct {
uint32_t addr;
uint32_t value;
} dcd_addr_data_t;
typedef struct {
uint8_t tag;
uint16_t length;
uint8_t version;
} __attribute__((packed)) ivt_header_t;
typedef struct {
uint8_t tag;
uint16_t length;
uint8_t param;
} __attribute__((packed)) write_dcd_command_t;
typedef struct {
ivt_header_t header;
write_dcd_command_t write_dcd_command;
dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
} dcd_v2_t;
typedef struct {
uint32_t start;
uint32_t size;
uint32_t plugin;
} boot_data_t;
typedef struct {
ivt_header_t header;
uint32_t entry;
uint32_t reserved1;
uint32_t dcd_ptr;
uint32_t boot_data_ptr;
uint32_t self;
uint32_t csf;
uint32_t reserved2;
} flash_header_v2_t;
typedef struct {
flash_header_v2_t fhdr;
boot_data_t boot_data;
dcd_v2_t dcd_table;
} imx_header_v2_t;
struct imx_header {
union {
imx_header_v1_t hdr_v1;
imx_header_v2_t hdr_v2;
} header;
uint32_t flash_offset;
};
typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
char *name, int lineno,
int fld, uint32_t value,
uint32_t off);
typedef void (*set_dcd_rst_t)(struct imx_header *imxhdr,
uint32_t dcd_len,
char *name, int lineno);
typedef void (*set_imx_hdr_t)(struct imx_header *imxhdr, uint32_t dcd_len,
uint32_t entry_point, uint32_t flash_offset);
#endif /* _IMXIMAGE_H_ */