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Diffstat (limited to 'include/fsl_fastboot.h')
| -rw-r--r-- | include/fsl_fastboot.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/include/fsl_fastboot.h b/include/fsl_fastboot.h new file mode 100644 index 0000000..5a38d99 --- /dev/null +++ b/include/fsl_fastboot.h @@ -0,0 +1,172 @@ +/* + * Copyright (C) 2010-2015 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef FSL_FASTBOOT_H +#define FSL_FASTBOOT_H + +#define FASTBOOT_PTENTRY_FLAGS_REPEAT(n) (n & 0x0f) +#define FASTBOOT_PTENTRY_FLAGS_REPEAT_MASK 0x0000000F + +/* Writes happen a block at a time. + If the write fails, go to next block + NEXT_GOOD_BLOCK and CONTIGOUS_BLOCK can not both be set */ +#define FASTBOOT_PTENTRY_FLAGS_WRITE_NEXT_GOOD_BLOCK 0x00000010 + +/* Find a contiguous block big enough for a the whole file + NEXT_GOOD_BLOCK and CONTIGOUS_BLOCK can not both be set */ +#define FASTBOOT_PTENTRY_FLAGS_WRITE_CONTIGUOUS_BLOCK 0x00000020 + +/* Write the file with write.i */ +#define FASTBOOT_PTENTRY_FLAGS_WRITE_I 0x00000100 + +/* Write the file with write.trimffs */ +#define FASTBOOT_PTENTRY_FLAGS_WRITE_TRIMFFS 0x00000200 + +/* Write the file as a series of variable/value pairs + using the setenv and saveenv commands */ +#define FASTBOOT_PTENTRY_FLAGS_WRITE_ENV 0x00000400 + +#define FASTBOOT_MMC_BOOT_PARTITION_ID 1 +#define FASTBOOT_MMC_USER_PARTITION_ID 0 +#define FASTBOOT_MMC_NONE_PARTITION_ID -1 + +#define FASTBOOT_PARTITION_BOOT "boot" +#define FASTBOOT_PARTITION_RECOVERY "recovery" +#define FASTBOOT_PARTITION_SYSTEM "system" +#define FASTBOOT_PARTITION_BOOTLOADER "bootloader" +#define FASTBOOT_PARTITION_DATA "data" + +enum { + DEV_SATA, + DEV_MMC, + DEV_NAND +}; + +struct cmd_fastboot_interface { + /* This function is called when a buffer has been + recieved from the client app. + The buffer is a supplied by the board layer and must be unmodified. + The buffer_size is how much data is passed in. + Returns 0 on success + Returns 1 on failure + + Set by cmd_fastboot */ + int (*rx_handler)(const unsigned char *buffer, + unsigned int buffer_size); + + /* This function is called when an exception has + occurred in the device code and the state + off fastboot needs to be reset + + Set by cmd_fastboot */ + void (*reset_handler)(void); + + /* A getvar string for the product name + It can have a maximum of 60 characters + + Set by board */ + char *product_name; + + /* A getvar string for the serial number + It can have a maximum of 60 characters + + Set by board */ + char *serial_no; + + /* Nand block size + Supports the write option WRITE_NEXT_GOOD_BLOCK + + Set by board */ + unsigned int nand_block_size; + + /* Nand oob size + Set by board */ + unsigned int nand_oob_size; + + /* Transfer buffer, for handling flash updates + Should be multiple of the nand_block_size + Care should be take so it does not overrun bootloader memory + Controlled by the configure variable CFG_FASTBOOT_TRANSFER_BUFFER + + Set by board */ + unsigned char *transfer_buffer; + + /* How big is the transfer buffer + Controlled by the configure variable + CFG_FASTBOOT_TRANSFER_BUFFER_SIZE + + Set by board */ + unsigned int transfer_buffer_size; + +}; + +/* flash partitions are defined in terms of blocks +** (flash erase units) +*/ +struct fastboot_ptentry { + /* The logical name for this partition, null terminated */ + char name[16]; + /* The start wrt the nand part, must be multiple of nand block size */ + unsigned int start; + /* The length of the partition, must be multiple of nand block size */ + unsigned int length; + /* Controls the details of how operations are done on the partition + See the FASTBOOT_PTENTRY_FLAGS_*'s defined below */ + unsigned int flags; + /* partition id: 0 - normal partition; 1 - boot partition */ + unsigned int partition_id; + /* partition number in block device */ + unsigned int partition_index; +}; + +struct fastboot_device_info { + unsigned char type; + unsigned char dev_id; +}; + +extern struct fastboot_device_info fastboot_devinfo; + +/* Prepare the fastboot environments, + * should be executed before "fastboot" cmd + */ +void fastboot_setup(void); + + +/* The Android-style flash handling */ + +/* tools to populate and query the partition table */ +void fastboot_flash_add_ptn(struct fastboot_ptentry *ptn); +struct fastboot_ptentry *fastboot_flash_find_ptn(const char *name); +struct fastboot_ptentry *fastboot_flash_get_ptn(unsigned n); +unsigned int fastboot_flash_get_ptn_count(void); +void fastboot_flash_dump_ptn(void); + + +/* Check the board special boot mode reboot to fastboot mode. */ +int fastboot_check_and_clean_flag(void); + +/* Set the flag which reboot to fastboot mode*/ +void fastboot_enable_flag(void); + +/*check if fastboot mode is requested by user*/ +void check_fastboot(void); + +/*Setup board-relative fastboot environment */ +void board_fastboot_setup(void); + +#ifdef CONFIG_FASTBOOT_STORAGE_NAND +/*Save parameters for NAND storage partitions */ +void save_parts_values(struct fastboot_ptentry *ptn, + unsigned int offset, unsigned int size); + +/* Checks parameters for NAND storage partitions + * Return 1 if the parameter is not set + * Return 0 if the parameter has been set + */ +int check_parts_values(struct fastboot_ptentry *ptn); +#endif /*CONFIG_FASTBOOT_STORAGE_NAND*/ + +#endif /* FSL_FASTBOOT_H */ |