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/* SPDX-License-Identifier: GPL-2.0+ */ /* * (C) Copyright 2008 - 2009 * Windriver, <www.windriver.com> * Tom Rix <Tom.Rix@windriver.com> * * Copyright 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de> * * Copyright 2014 Linaro, Ltd. * Rob Herring <robh@kernel.org> */ #ifndef _FASTBOOT_H_ #define _FASTBOOT_H_ #define FASTBOOT_VERSION "0.4" /* The 64 defined bytes plus \0 */ #define FASTBOOT_COMMAND_LEN (64 + 1) #define FASTBOOT_RESPONSE_LEN (64 + 1) /** * All known commands to fastboot */ enum { FASTBOOT_COMMAND_GETVAR = 0, FASTBOOT_COMMAND_DOWNLOAD, #if CONFIG_IS_ENABLED(FASTBOOT_FLASH) FASTBOOT_COMMAND_FLASH, FASTBOOT_COMMAND_ERASE, #endif FASTBOOT_COMMAND_BOOT, FASTBOOT_COMMAND_CONTINUE, FASTBOOT_COMMAND_REBOOT, FASTBOOT_COMMAND_REBOOT_BOOTLOADER, FASTBOOT_COMMAND_REBOOT_FASTBOOTD, FASTBOOT_COMMAND_REBOOT_RECOVERY, FASTBOOT_COMMAND_SET_ACTIVE, #if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_FORMAT) FASTBOOT_COMMAND_OEM_FORMAT, #endif #if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_PARTCONF) FASTBOOT_COMMAND_OEM_PARTCONF, #endif #if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_BOOTBUS) FASTBOOT_COMMAND_OEM_BOOTBUS, #endif #if CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT) FASTBOOT_COMMAND_ACMD, FASTBOOT_COMMAND_UCMD, #endif FASTBOOT_COMMAND_COUNT }; /** * Reboot reasons */ enum fastboot_reboot_reason { FASTBOOT_REBOOT_REASON_BOOTLOADER, FASTBOOT_REBOOT_REASON_FASTBOOTD, FASTBOOT_REBOOT_REASON_RECOVERY, FASTBOOT_REBOOT_REASONS_COUNT }; /** * fastboot_response() - Writes a response of the form "$tag$reason". * * @tag: The first part of the response * @response: Pointer to fastboot response buffer * @format: printf style format string */ void fastboot_response(const char *tag, char *response, const char *format, ...) __attribute__ ((format (__printf__, 3, 4))); /** * fastboot_fail() - Write a FAIL response of the form "FAIL$reason". * * @reason: Pointer to returned reason string * @response: Pointer to fastboot response buffer */ void fastboot_fail(const char *reason, char *response); /** * fastboot_okay() - Write an OKAY response of the form "OKAY$reason". * * @reason: Pointer to returned reason string, or NULL to send a bare "OKAY" * @response: Pointer to fastboot response buffer */ void fastboot_okay(const char *reason, char *response); /** * fastboot_set_reboot_flag() - Set flag to indicate reboot-bootloader * * Set flag which indicates that we should reboot into the bootloader * following the reboot that fastboot executes after this function. * * This function should be overridden in your board file with one * which sets whatever flag your board specific Android bootloader flow * requires in order to re-enter the bootloader. */ int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason); /** * fastboot_set_progress_callback() - set progress callback * * @progress: Pointer to progress callback * * Set a callback which is invoked periodically during long running operations * (flash and erase). This can be used (for example) by the UDP transport to * send INFO responses to keep the client alive whilst those commands are * executing. */ void fastboot_set_progress_callback(void (*progress)(const char *msg)); /* * fastboot_init() - initialise new fastboot protocol session * * @buf_addr: Pointer to download buffer, or NULL for default * @buf_size: Size of download buffer, or zero for default */ void fastboot_init(void *buf_addr, u32 buf_size); /** * fastboot_boot() - Execute fastboot boot command * * If ${fastboot_bootcmd} is set, run that command to execute the boot * process, if that returns, then exit the fastboot server and return * control to the caller. * * Otherwise execute "bootm <fastboot_buf_addr>", if that fails, reset * the board. */ void fastboot_boot(void); /** * fastboot_handle_command() - Handle fastboot command


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