/* * (C) Copyright 2008 - 2009 * Windriver, * Tom Rix * * Copyright (C) 2010-2015 Freescale Semiconductor, Inc. * * 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 * * The logical naming of flash comes from the Android project * Thse structures and functions that look like fastboot_flash_* * They come from bootloader/legacy/include/boot/flash.h * * The boot_img_hdr structure and associated magic numbers also * come from the Android project. They are from * system/core/mkbootimg/bootimg.h * * Here are their copyrights * * Copyright (C) 2008 The Android Open Source Project * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #ifndef FASTBOOT_H #define FASTBOOT_H #include #include /* This is the interface file between the common cmd_fastboot.c and the board specific support. To use this interface, define CONFIG_FASTBOOT in your board config file. An example is include/configs/mx6slevkandroid.h ... #define CONFIG_FASTBOOT 1 / * Using fastboot interface * / ... */ /* From fastboot client.. */ #define FASTBOOT_INTERFACE_CLASS 0xff #define FASTBOOT_INTERFACE_SUB_CLASS 0x42 #define FASTBOOT_INTERFACE_PROTOCOL 0x03 #define FASTBOOT_VERSION "0.5" /* Max size of responses from us to host */ #define FASTBOOT_RESPONSE_SIZE 65 /* The fastboot client uses a value of 2048 for the page size of it boot.img file format. Reset this in your board config file as needed. */ #ifndef CFG_FASTBOOT_MKBOOTIMAGE_PAGE_SIZE #define CFG_FASTBOOT_MKBOOTIMAGE_PAGE_SIZE 2048 #endif /* Lower byte shows if the read/write/erase operation in repeated. The base address is incremented. Either 0 or 1 is ok for a default */ #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 /* Status values */ #define FASTBOOT_OK 0 #define FASTBOOT_ERROR -1 #define FASTBOOT_DISCONNECT 1 #define FASTBOOT_INACTIVE 2 /* Android bootimage file format */ #define FASTBOOT_BOOT_MAGIC "ANDROID!" #define FASTBOOT_BOOT_MAGIC_SIZE 8 #define FASTBOOT_BOOT_NAME_SIZE 16 #define FASTBOOT_BOOT_ARGS_SIZE 512 #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; }; /* Boot img hdr structure comes from the Android project * See it in: system/core/mkbootimg/bootimg.h */ struct fastboot_boot_img_hdr { unsigned char magic[FASTBOOT_BOOT_MAGIC_SIZE]; unsigned kernel_size; /* size in bytes */ unsigned kernel_addr; /* physical load addr */ unsigned ramdisk_size; /* size in bytes */ unsigned ramdisk_addr; /* physical load addr */ unsigned second_size; /* size in bytes */ unsigned second_addr; /* physical load addr */ unsigned tags_addr; /* physical addr for kernel tags */ unsigned page_size; /* flash page size we assume */ unsigned unused[2]; /* future expansion: should be 0 */ unsigned char name[FASTBOOT_BOOT_NAME_SIZE]; /* asciiz product name */ unsigned char cmdline[FASTBOOT_BOOT_ARGS_SIZE]; unsigned id[8]; /* timestamp / checksum / sha1 / etc */ }; #ifdef CONFIG_FASTBOOT extern struct fastboot_device_info fastboot_devinfo; /* Prepare the fastboot environments, * should be executed before "fastboot" cmd */ void fastboot_setup(void); /* Initizes the board specific fastboot * Returns 0 on success * Returns 1 on failure */ int fastboot_init(struct cmd_fastboot_interface *interface); /* Cleans up the board specific fastboot */ void fastboot_shutdown(void); /* * Handles board specific usb protocol exchanges * Returns 0 on success * Returns 1 on disconnects, break out of loop * Returns 2 if no USB activity detected * Returns -1 on failure, unhandled usb requests and other error conditions */ int fastboot_poll(void); /* Is this high speed (2.0) or full speed (1.1) ? * Returns 0 on full speed * Returns 1 on high speed */ int fastboot_is_highspeed(void); /* Return the size of the fifo */ int fastboot_fifo_size(void); /* Send a status reply to the client app * buffer does not have to be null terminated. * buffer_size must be not be larger than what is returned by * fastboot_fifo_size * Returns 0 on success * Returns 1 on failure */ int fastboot_tx_status(const char *buffer, unsigned int buffer_size); /* * Send some data to the client app * buffer does not have to be null terminated. * buffer_size can be larger than what is returned by * fastboot_fifo_size * Returns number of bytes written */ int fastboot_tx(unsigned char *buffer, unsigned int buffer_size); /* A board specific variable handler. * The size of the buffers is governed by the fastboot spec. * rx_buffer is at most 57 bytes * tx_buffer is at most 60 bytes * Returns 0 on success * Returns 1 on failure */ int fastboot_getvar(const char *rx_buffer, char *tx_buffer); /* 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); /*fastboot command handling function*/ int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); /*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*/ #else /*! CONFIG_FASTBOOT*/ /* Stubs for when CONFIG_FASTBOOT is not defined */ #define fastboot_setup() 0 #define fastboot_init(a) 1 #define fastboot_shutdown() #define fastboot_poll() 1 #define fastboot_is_highspeed() 0 #define fastboot_fifo_size() 0 #define fastboot_tx_status(a, b) 1 #define fastboot_getvar(a, b) 1 #define fastboot_tx(a, b) 1 #define fastboot_flash_add_ptn(a) #define fastboot_flash_find_ptn(a) NULL #define fastboot_flash_get_ptn(a) NULL #define fastboot_flash_get_ptn_count() 0 #define fastboot_flash_dump_ptn() #define do_fastboot(a, b, c, d) 0 #define fastboot_quick(a) 0 #define fastboot_get_ep_num(a, b) 0 #define fastboot_dump_memory(a, b) 0 #define DBG_ALWS(x...) #define DBG_ERR(x...) #define DBG_DEBUG(x...) #define DBG_INFO(x...) #endif /*! CONFIG_FASTBOOT*/ #endif /* FASTBOOT_H */