/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ /* * Copyright (c) 2019 Amlogic, Inc. All rights reserved. */ #ifndef _AML_MMC_H #define _AML_MMC_H #include #include #include #include #include #include #include #include #include #include #include #include //#include #include #include #include #define AML_MMC_DBG #define MAX_DEVICE_NUM 32 #define MAX_DEVICE_NAME_LEN 16 #define MAX_MMC_PART_NUM 128 #define MAX_MMC_PART_NAME_LEN 16 #define MMC_BLOCK_SIZE (512) #define MMC_MPT_VERSION_1 "01.00.00" #define MMC_MPT_VERSION_2 "01.02.00" /* version in use, fixme when kernel driver is updated. */ #define MMC_MPT_VERSION MMC_MPT_VERSION_1 #define MMC_PARTITIONS_MAGIC "MPT" // MMC Partition Table #define MMC_CARD_PARTITION_NAME "card" #ifndef CONFIG_AML_MMC_INHERENT_PART /* reserved partition config */ #define MMC_RESERVED_NAME "reserved" #ifdef CONFIG_AMLOGIC_MIN_RESERVED_PARTITION #define PARTITION_RESERVED (0 * SZ_1M) #define PARTITION_MIN_RESERVED 0 #define MMC_BOOT_PARTITION_RESERVED (0 * SZ_1M) #define RESERVED_GPT_OFFSET (4 * SZ_1M) #define MMC_RESERVED_SIZE (2 * SZ_1M) #else #define PARTITION_RESERVED (8 * SZ_1M) #define PARTITION_MIN_RESERVED SZ_1M #define MMC_BOOT_PARTITION_RESERVED (32 * SZ_1M) #define RESERVED_GPT_OFFSET (36 * SZ_1M) #define MMC_RESERVED_SIZE (64 * SZ_1M) #endif /* CONFIG_AMLOGIC_MIN_RESERVED_PARTITION */ #define MMC_BOTTOM_RSV_SIZE (0) #define MMC_BOOT_NAME "bootloader" #define MMC_BOOT_NAME0 "bootloader-boot0" #define MMC_BOOT_NAME1 "bootloader-boot1" #define MMC_BOOT_DEVICE_SIZE (0x4 * SZ_1M) #endif /* CONFIG_AML_MMC_INHERENT_PART */ /* reserved partition table */ /* <----table----> */ #define MMC_TABLE_NAME ("AML_TABLE") #define MMC_TABLE_OFFSET (0x0) #define MMC_TABLE_SIZE (16 * SZ_1K) /* <----key----> */ #define MMC_KEY_NAME "key" #define EMMCKEY_RESERVE_OFFSET (16 * SZ_1K) #define MMC_KEY_SIZE (256 * SZ_1K) #define KEY_BACKUP #define KEY_COPIES (2) /* <----pattern----> */ #define MMC_PATTERN_NAME "pattern" #ifdef CONFIG_AMLOGIC_MIN_RESERVED_PARTITION #define CALI_PATTERN_OFFSET (528 * SZ_1K) #else #define CALI_PATTERN_OFFSET (SZ_1M * 3) #endif /* CONFIG_AMLOGIC_MIN_RESERVED_PARTITION */ #define CALI_PATTERN_ADDR (RESERVED_GPT_OFFSET + CALI_PATTERN_OFFSET) #define CALI_PATTERN_SIZE (256 * 512) #define CALI_BLOCK_SIZE (512) #define CALI_PATTERN (0x55aa55aa) /* <----magic----> */ #define MMC_MAGIC_NAME "magic" #ifdef CONFIG_AMLOGIC_MIN_RESERVED_PARTITION #define MAGIC_OFFSET (656 * SZ_1K) #else #define MAGIC_OFFSET (SZ_1M * 6) #endif /* CONFIG_AMLOGIC_MIN_RESERVED_PARTITION */ #define MAGIC_ADDR (RESERVED_GPT_OFFSET + MAGIC_OFFSET) #define MAGIC_SIZE (256 * 512) #define MAGIC_BLOCK_SIZE (512) #define MAGIC_PATTERN (0X00FF00FF) /* <----random----> */ #define MMC_RANDOM_NAME "random" #ifdef CONFIG_AMLOGIC_MIN_RESERVED_PARTITION #define RANDOM_OFFSET (784 * SZ_1K) #else #define RANDOM_OFFSET (SZ_1M * 7) #endif /* CONFIG_AMLOGIC_MIN_RESERVED_PARTITION */ #define RANDOM_ADDR (RESERVED_GPT_OFFSET + RANDOM_OFFSET) #define RANDOM_SIZE (256 * 512) #define RANDOM_BLOCK_SIZE (512) #define RANDOM_PATTERN (0X52414E44) /* * 2 copies dtb were stored in dtb area. * timestamp&checksum are in the tail. * |<--------------DTB Area-------------->| * |<------DTB1------->|<------DTB2------>| */ #define MMC_DTB_NAME "dtb" #ifdef CONFIG_AMLOGIC_MIN_RESERVED_PARTITION #define DTB_OFFSET (912 * SZ_1K) #else #define DTB_OFFSET (SZ_1M * 4) #endif /* CONFIG_AMLOGIC_MIN_RESERVED_PARTITION */ #define DTB_ADDR (RESERVED_GPT_OFFSET + DTB_OFFSET) #define DTB_BLK_SIZE (512) #define DTB_BLK_CNT (512) #define DTB_SIZE (DTB_BLK_CNT * DTB_BLK_SIZE) #define DTB_COPIES (2) #define DTB_AREA_BLK_CNT (DTB_BLK_CNT * DTB_COPIES) #define EMMC_DTB_DEV (1) /* <----ddr parameter----> */ #define MMC_DDR_PARAMETER_NAME "ddr-parameter" #ifdef CONFIG_AMLOGIC_MIN_RESERVED_PARTITION #define DDR_PARAMETER_OFFSET (1424 * SZ_1K) #else #define DDR_PARAMETER_OFFSET (SZ_1M * 8) #endif /* CONFIG_AMLOGIC_MIN_RESERVED_PARTITION */ #define DDR_PARAMETER_SIZE (8 * 512) struct virtual_partition { char name[MAX_MMC_PART_NAME_LEN]; uint64_t offset; uint64_t size; }; #define VIRTUAL_PARTITION_ELEMENT(na, of, sz) {.name = na, .offset = of, .size = sz,} struct aml_pattern { char name[MAX_MMC_PART_NAME_LEN]; unsigned int pattern; }; #define AML_PATTERN_ELEMENT(na, pa) {.name = na, .pattern = pa,} #ifdef AML_MMC_DBG #define aml_mmc_dbg(fmt, ...) printk( "%s: line:%d " fmt "\n", \ __func__, __LINE__, ##__VA_ARGS__) #define aml_mmc_msg(fmt, ...) printk( "%s: line:%d " fmt "\n", \ __func__, __LINE__, ##__VA_ARGS__) #else #define aml_mmc_dbg(fmt, ...) #define aml_mmc_msg(fmt, ...) printk( fmt "\n", ##__VA_ARGS__) #endif #define DOS_MBR 0 #define DOS_PBR 1 #define DOS_PBR_FSTYPE_OFFSET 0x36 #define DOS_PBR32_FSTYPE_OFFSET 0x52 #define DOS_PART_DISKSIG_OFFSET 0x1b8 #define DOS_PART_TBL_OFFSET 0x1be #define DOS_PART_MAGIC_OFFSET 0x1fe #define DOS_PBR_MEDIA_TYPE_OFFSET 0x15 #define DOS_PARTITION_COUNT 32 #define STORAGE_EMMC 1 typedef struct dos_partition { unsigned char boot_ind; /* 0x80 - active */ unsigned char head; /* starting head */ unsigned char sector; /* starting sector */ unsigned char cyl; /* starting cylinder */ unsigned char sys_ind; /* What partition type */ unsigned char end_head; /* end head */ unsigned char end_sector; /* end sector */ unsigned char end_cyl; /* end cylinder */ unsigned char start4[4]; /* starting sector counting from 0 */ unsigned char size4[4]; /* nr of sectors in partition */ } dos_partition_t; struct dos_mbr_or_ebr{ unsigned char bootstart[446]; struct dos_partition part_entry[4]; unsigned char magic[2]; }; struct mmc_partitions_fmt { char magic[4]; unsigned char version[12]; int part_num; int checksum; struct partitions partitions[MAX_MMC_PART_NUM]; }; struct mmc_partition_config{ unsigned char version[12]; int part_num; struct partitions partitions[MAX_MMC_PART_NUM]; unsigned option; void * private_data; }; /* struct _mmc_device{ char name[MAX_DEVICE_NAME_LEN]; uint64_t offset; uint64_t size; void * private_data; struct list_head list; }; */ #define LOCK_MAJOR_VERSION 1 #define LOCK_MINOR_VERSION 0 #define LOCK_DATA_SIZE 16 typedef struct LockData { uint8_t version_major; uint8_t version_minor; uint8_t unlock_ability; /* Padding to eight bytes. */ uint8_t reserved1; /* 0: unlock 1: lock*/ uint8_t lock_state; /* 0: unlock 1: lock*/ uint8_t lock_critical_state; /* 0: enable bootloader version rollback 1: prevent bootloader version rollback*/ uint8_t lock_bootloader; uint8_t reserved2[1]; } LockData_t; #define AVB_CUSTOM_KEY_LEN_MAX 4096 typedef struct AvbKey { char magic_name[4]; uint32_t size; } AvbKey_t; /*512Bytes*/ typedef struct FastbootContext { /* locks */ LockData_t lock; uint8_t rsv[248]; /* checksum, storage driver care */ uint32_t crc32; } FastbootContext_t; extern struct partitions *part_table; extern int parts_total_num; extern struct partitions emmc_partition_table[]; extern int get_emmc_partition_arraysize(void); /* * get the partition number by name * return value * < 0 means no partition found * >= 0 means valid partition */ extern int get_partition_num_by_name(char const *name); extern int aml_gpt_valid(struct mmc *mmc); int mmc_gpt_read(void *source); int mmc_gpt_write(void *source); int mmc_gpt_erase(void); struct partitions *find_mmc_partition_by_name(char const *name); struct partitions *aml_get_partition_by_name(const char *name); int mmc_boot_size(char *name, uint64_t* size); struct virtual_partition *aml_get_virtual_partition_by_name(const char *name); bool aml_is_emmc_tsd (struct mmc *mmc); int check_gpt_change(struct blk_desc *dev_desc, void *buf); int mmc_device_init (struct mmc *mmc); int get_ept_from_gpt(struct mmc *mmc); int mmc_partition_init(void); int aml_is_valid_gpt_buf(struct blk_desc *desc, void *buf); int resize_gpt(struct mmc *mmc); int check_gpt_part(struct blk_desc *dev_desc, void *buf); int get_partition_from_gpt(unsigned char *buffer); int mmc_key_write_backup(const char *name, unsigned char *addr, unsigned int size); int mmc_key_read_backup(const char *name, unsigned char *addr, unsigned int size); int erase_gpt_part_table(struct blk_desc *dev_desc); #define PARTITION_ELEMENT(na, sz, flags) {.name = na, .size = sz, .mask_flags = flags,} #endif