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https://github.com/brain-hackers/u-boot-brain
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![Marek Vasut](/assets/img/avatar_default.png)
The MX53 ROM loads the data from NAND in multiples of pages and supports maximum page size of 4k. Thus, align the image and header to 4k to be safe from ROM bugs. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: Benoît Thébaudeau <benoit.thebaudeau@advansee.com> Cc: Fabio Estevam <fabio.estevam@freescale.com> Cc: Scott Wood <scottwood@freescale.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Tom Rini <trini@ti.com>
182 lines
4.4 KiB
C
182 lines
4.4 KiB
C
/*
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* (C) Copyright 2009
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* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _IMXIMAGE_H_
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#define _IMXIMAGE_H_
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#define MAX_HW_CFG_SIZE_V2 121 /* Max number of registers imx can set for v2 */
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#define MAX_HW_CFG_SIZE_V1 60 /* Max number of registers imx can set for v1 */
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#define APP_CODE_BARKER 0xB1
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#define DCD_BARKER 0xB17219E9
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#define HEADER_OFFSET 0x400
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/*
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* NOTE: This file must be kept in sync with arch/arm/include/asm/\
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* imx-common/imximage.cfg because tools/imximage.c can not
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* cross-include headers from arch/arm/ and vice-versa.
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*/
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#define CMD_DATA_STR "DATA"
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#define FLASH_OFFSET_UNDEFINED 0xFFFFFFFF
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#define FLASH_OFFSET_STANDARD 0x400
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#define FLASH_OFFSET_NAND FLASH_OFFSET_STANDARD
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#define FLASH_OFFSET_SD FLASH_OFFSET_STANDARD
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#define FLASH_OFFSET_SPI FLASH_OFFSET_STANDARD
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#define FLASH_OFFSET_ONENAND 0x100
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#define FLASH_OFFSET_NOR 0x1000
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#define FLASH_OFFSET_SATA FLASH_OFFSET_STANDARD
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#define IVT_HEADER_TAG 0xD1
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#define IVT_VERSION 0x40
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#define DCD_HEADER_TAG 0xD2
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#define DCD_COMMAND_TAG 0xCC
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#define DCD_VERSION 0x40
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#define DCD_COMMAND_PARAM 0x4
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enum imximage_cmd {
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CMD_INVALID,
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CMD_IMAGE_VERSION,
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CMD_BOOT_FROM,
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CMD_BOOT_OFFSET,
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CMD_DATA
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};
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enum imximage_fld_types {
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CFG_INVALID = -1,
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CFG_COMMAND,
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CFG_REG_SIZE,
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CFG_REG_ADDRESS,
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CFG_REG_VALUE
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};
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enum imximage_version {
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IMXIMAGE_VER_INVALID = -1,
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IMXIMAGE_V1 = 1,
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IMXIMAGE_V2
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};
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typedef struct {
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uint32_t type; /* Type of pointer (byte, halfword, word, wait/read) */
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uint32_t addr; /* Address to write to */
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uint32_t value; /* Data to write */
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} dcd_type_addr_data_t;
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typedef struct {
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uint32_t barker; /* Barker for sanity check */
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uint32_t length; /* Device configuration length (without preamble) */
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} dcd_preamble_t;
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typedef struct {
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dcd_preamble_t preamble;
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dcd_type_addr_data_t addr_data[MAX_HW_CFG_SIZE_V1];
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} dcd_v1_t;
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typedef struct {
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uint32_t app_code_jump_vector;
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uint32_t app_code_barker;
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uint32_t app_code_csf;
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uint32_t dcd_ptr_ptr;
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uint32_t super_root_key;
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uint32_t dcd_ptr;
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uint32_t app_dest_ptr;
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} flash_header_v1_t;
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typedef struct {
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uint32_t length; /* Length of data to be read from flash */
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} flash_cfg_parms_t;
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typedef struct {
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flash_header_v1_t fhdr;
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dcd_v1_t dcd_table;
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flash_cfg_parms_t ext_header;
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} imx_header_v1_t;
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typedef struct {
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uint32_t addr;
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uint32_t value;
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} dcd_addr_data_t;
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typedef struct {
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uint8_t tag;
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uint16_t length;
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uint8_t version;
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} __attribute__((packed)) ivt_header_t;
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typedef struct {
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uint8_t tag;
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uint16_t length;
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uint8_t param;
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} __attribute__((packed)) write_dcd_command_t;
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typedef struct {
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ivt_header_t header;
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write_dcd_command_t write_dcd_command;
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dcd_addr_data_t addr_data[MAX_HW_CFG_SIZE_V2];
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} dcd_v2_t;
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typedef struct {
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uint32_t start;
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uint32_t size;
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uint32_t plugin;
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} boot_data_t;
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typedef struct {
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ivt_header_t header;
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uint32_t entry;
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uint32_t reserved1;
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uint32_t dcd_ptr;
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uint32_t boot_data_ptr;
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uint32_t self;
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uint32_t csf;
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uint32_t reserved2;
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} flash_header_v2_t;
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typedef struct {
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flash_header_v2_t fhdr;
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boot_data_t boot_data;
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dcd_v2_t dcd_table;
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} imx_header_v2_t;
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/* The header must be aligned to 4k on MX53 for NAND boot */
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struct imx_header {
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union {
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imx_header_v1_t hdr_v1;
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imx_header_v2_t hdr_v2;
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} header;
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uint32_t flash_offset;
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} __attribute__((aligned(4096)));
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typedef void (*set_dcd_val_t)(struct imx_header *imxhdr,
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char *name, int lineno,
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int fld, uint32_t value,
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uint32_t off);
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typedef void (*set_dcd_rst_t)(struct imx_header *imxhdr,
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uint32_t dcd_len,
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char *name, int lineno);
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typedef void (*set_imx_hdr_t)(struct imx_header *imxhdr, uint32_t dcd_len,
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uint32_t entry_point, uint32_t flash_offset);
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#endif /* _IMXIMAGE_H_ */
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