mtk_image.h
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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* MediaTek BootROM header definitions
*
* Copyright (C) 2018 MediaTek Inc.
* Author: Weijie Gao <weijie.gao@mediatek.com>
*/
#ifndef _MTK_IMAGE_H
#define _MTK_IMAGE_H
/* Device header definitions, all fields are little-endian */
/* Header for NOR/SD/eMMC */
union gen_boot_header {
struct {
char name[12];
uint32_t version;
uint32_t size;
};
uint8_t pad[0x200];
};
#define EMMC_BOOT_NAME "EMMC_BOOT"
#define SF_BOOT_NAME "SF_BOOT"
#define SDMMC_BOOT_NAME "SDMMC_BOOT"
/* Header for NAND */
union nand_boot_header {
struct {
char name[12];
char version[4];
char id[8];
uint16_t ioif;
uint16_t pagesize;
uint16_t addrcycles;
uint16_t oobsize;
uint16_t pages_of_block;
uint16_t numblocks;
uint16_t writesize_shift;
uint16_t erasesize_shift;
uint8_t dummy[60];
uint8_t ecc_parity[28];
};
uint8_t data[0x80];
};
#define NAND_BOOT_NAME "BOOTLOADER!"
#define NAND_BOOT_VERSION "V006"
#define NAND_BOOT_ID "NFIINFO"
/* BootROM layout header */
struct brom_layout_header {
char name[8];
uint32_t version;
uint32_t header_size;
uint32_t total_size;
uint32_t magic;
uint32_t type;
uint32_t header_size_2;
uint32_t total_size_2;
uint32_t unused;
};
#define BRLYT_NAME "BRLYT"
#define BRLYT_MAGIC 0x42424242
enum brlyt_img_type {
BRLYT_TYPE_INVALID = 0,
BRLYT_TYPE_NAND = 0x10002,
BRLYT_TYPE_EMMC = 0x10005,
BRLYT_TYPE_NOR = 0x10007,
BRLYT_TYPE_SDMMC = 0x10008,
BRLYT_TYPE_SNAND = 0x10009
};
/* Combined device header for NOR/SD/eMMC */
struct gen_device_header {
union gen_boot_header boot;
union {
struct brom_layout_header brlyt;
uint8_t brlyt_pad[0x400];
};
};
/* BootROM header definitions */
struct gfh_common_header {
uint8_t magic[3];
uint8_t version;
uint16_t size;
uint16_t type;
};
#define GFH_HEADER_MAGIC "MMM"
#define GFH_TYPE_FILE_INFO 0
#define GFH_TYPE_BL_INFO 1
#define GFH_TYPE_BROM_CFG 7
#define GFH_TYPE_BL_SEC_KEY 3
#define GFH_TYPE_ANTI_CLONE 2
#define GFH_TYPE_BROM_SEC_CFG 8
struct gfh_file_info {
struct gfh_common_header gfh;
char name[12];
uint32_t unused;
uint16_t file_type;
uint8_t flash_type;
uint8_t sig_type;
uint32_t load_addr;
uint32_t total_size;
uint32_t max_size;
uint32_t hdr_size;
uint32_t sig_size;
uint32_t jump_offset;
uint32_t processed;
};
#define GFH_FILE_INFO_NAME "FILE_INFO"
#define GFH_FLASH_TYPE_GEN 5
#define GFH_FLASH_TYPE_NAND 2
#define GFH_SIG_TYPE_NONE 0
#define GFH_SIG_TYPE_SHA256 1
struct gfh_bl_info {
struct gfh_common_header gfh;
uint32_t attr;
};
struct gfh_brom_cfg {
struct gfh_common_header gfh;
uint32_t cfg_bits;
uint32_t usbdl_by_auto_detect_timeout_ms;
uint8_t unused[0x48];
uint32_t usbdl_by_kcol0_timeout_ms;
uint32_t usbdl_by_flag_timeout_ms;
uint32_t pad;
};
#define GFH_BROM_CFG_USBDL_BY_AUTO_DETECT_TIMEOUT_EN 0x02
#define GFH_BROM_CFG_USBDL_AUTO_DETECT_DIS 0x10
#define GFH_BROM_CFG_USBDL_BY_KCOL0_TIMEOUT_EN 0x80
#define GFH_BROM_CFG_USBDL_BY_FLAG_TIMEOUT_EN 0x100
struct gfh_bl_sec_key {
struct gfh_common_header gfh;
uint8_t pad[0x20c];
};
struct gfh_anti_clone {
struct gfh_common_header gfh;
uint8_t ac_b2k;
uint8_t ac_b2c;
uint16_t pad;
uint32_t ac_offset;
uint32_t ac_len;
};
struct gfh_brom_sec_cfg {
struct gfh_common_header gfh;
uint32_t cfg_bits;
char customer_name[0x20];
uint32_t pad;
};
#define BROM_SEC_CFG_JTAG_EN 1
#define BROM_SEC_CFG_UART_EN 2
struct gfh_header {
struct gfh_file_info file_info;
struct gfh_bl_info bl_info;
struct gfh_brom_cfg brom_cfg;
struct gfh_bl_sec_key bl_sec_key;
struct gfh_anti_clone anti_clone;
struct gfh_brom_sec_cfg brom_sec_cfg;
};
/* LK image header */
union lk_hdr {
struct {
uint32_t magic;
uint32_t size;
char name[32];
uint32_t loadaddr;
uint32_t mode;
};
uint8_t data[512];
};
#define LK_PART_MAGIC 0x58881688
#endif /* _MTK_IMAGE_H */