X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fflash%2Fnor%2Fcore.h;h=17f1c53f9276da5ad4d9e6298a8c053a07736856;hp=36e163dfc085d69bd157f8c65539d2bb8ef1467c;hb=ee4106ee995a1fc81778f4ebd496d6782e592b63;hpb=8c730aaee22a505cf66666be3ff28734ac885418 diff --git a/src/flash/nor/core.h b/src/flash/nor/core.h index 36e163dfc0..17f1c53f92 100644 --- a/src/flash/nor/core.h +++ b/src/flash/nor/core.h @@ -3,6 +3,7 @@ * Copyright (C) 2007,2008 Øyvind Harboe * * Copyright (C) 2008 by Spencer Oliver * * Copyright (C) 2009 Zachary T Welch * + * Copyright (C) 2010 by Antonio Borneo * * * * 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 * @@ -53,6 +54,10 @@ struct flash_sector * Indication of protection status: 0 = unprotected/unlocked, * 1 = protected/locked, other = unknown. Set by * @c flash_driver_s::protect_check. + * + * This information must be considered stale immediately. + * A million things could make it stale: power cycle, + * reset of target, code running on target, etc. */ int is_protected; }; @@ -97,15 +102,20 @@ struct flash_bank /// Registers the 'flash' subsystem commands int flash_register_commands(struct command_context *cmd_ctx); -/// Initializes the 'flash' subsystem drivers -int flash_init_drivers(struct command_context *cmd_ctx); /** * Erases @a length bytes in the @a target flash, starting at @a addr. + * The range @a addr to @a addr + @a length - 1 must be strictly + * sector aligned, unless @a pad is true. Setting @a pad true extends + * the range, at beginning and/or end, if needed for sector alignment. * @returns ERROR_OK if successful; otherwise, an error code. */ int flash_erase_address_range(struct target *target, - uint32_t addr, uint32_t length); + bool pad, uint32_t addr, uint32_t length); + +int flash_unlock_address_range(struct target *target, uint32_t addr, + uint32_t length); + /** * Writes @a image into the @a target flash. The @a written parameter * will contain the @@ -118,6 +128,7 @@ int flash_erase_address_range(struct target *target, */ int flash_write(struct target *target, struct image *image, uint32_t *written, int erase); + /** * Forces targets to re-examine their erase/protection state. * This routine must be called when the system may modify the status. @@ -125,6 +136,16 @@ int flash_write(struct target *target, void flash_set_dirty(void); /// @returns The number of flash banks currently defined. int flash_get_bank_count(void); +/** + * Provides default read implementation for flash memory. + * @param bank The bank to read. + * @param buffer The data bytes read. + * @param offset The offset into the chip to read. + * @param count The number of bytes to read. + * @returns ERROR_OK if successful; otherwise, an error code. + */ +int default_flash_read(struct flash_bank *bank, + uint8_t *buffer, uint32_t offset, uint32_t count); /** * Provides default erased-bank check handling. Checks to see if * the flash driver knows they are erased; if things look uncertain, @@ -149,11 +170,20 @@ int default_flash_mem_blank_check(struct flash_bank *bank); */ struct flash_bank *get_flash_bank_by_name(const char *name); /** - * Returns a flash bank by the specified flash_bank_s bank_number, @a num. + * Returns the flash bank specified by @a name, which matches the + * driver name and a suffix (option) specify the driver-specific + * bank number. The suffix consists of the '.' and the driver-specific + * bank number: when two str9x banks are defined, then 'str9x.1' refers + * to the second. + */ +struct flash_bank *get_flash_bank_by_name_noprobe(const char *name); +/** + * Returns the flash bank like get_flash_bank_by_name(), without probing. * @param num The flash bank number. - * @returns A struct flash_bank for flash bank @a num, or NULL + * @param bank returned bank if fn returns ERROR_OK + * @returns ERROR_OK if successful */ -struct flash_bank *get_flash_bank_by_num(int num); +int get_flash_bank_by_num(int num, struct flash_bank **bank); /** * Retreives @a bank from a command argument, reporting errors parsing * the bank identifier or retreiving the specified bank. The bank