kinetis flash: use longword write when writing into pflash

[openocd.git] / src / flash / nor / core.h

diff --git a/src/flash/nor/core.h b/src/flash/nor/core.h
index 98763b7bcf645922fe6bcda23c3eba304aa4069a..8f7dce882d267b07afef52d7a788bf90eff73550 100644 (file)
--- a/src/flash/nor/core.h
+++ b/src/flash/nor/core.h
@@ -3,6 +3,7 @@
  *   Copyright (C) 2007,2008 Øyvind Harboe <oyvind.harboe@zylin.com>       *
  *   Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk>           *
  *   Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net>             *
+ *   Copyright (C) 2010 by Antonio Borneo <borneo.antonio@gmail.com>       *
  *                                                                         *
  *   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;
 };
@@ -69,7 +74,7 @@ struct flash_sector
  */
 struct flash_bank
 {
-       char *name;
+       const char *name;
 
        struct target *target; /**< Target to which this bank belongs. */
 
@@ -97,8 +102,6 @@ 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.
@@ -110,6 +113,9 @@ int flash_init_drivers(struct command_context *cmd_ctx);
 int flash_erase_address_range(struct target *target,
                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
@@ -123,9 +129,6 @@ int flash_erase_address_range(struct target *target,
 int flash_write(struct target *target,
                struct image *image, uint32_t *written, int erase);
 
-/* invalidate cached state (targets may modify their own flash) */
-void nor_resume(struct target *target);
-
 /**
  * Forces targets to re-examine their erase/protection state.
  * This routine must be called when the system may modify the status.
@@ -133,6 +136,16 @@ void nor_resume(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,
@@ -155,13 +168,22 @@ int default_flash_mem_blank_check(struct flash_bank *bank);
  * bank number: when two str9x banks are defined, then 'str9x.1' refers
  * to the second.
  */
-struct flash_bank *get_flash_bank_by_name(const char *name);
+int get_flash_bank_by_name(const char *name, struct flash_bank **bank_result);
+/**
+ * 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 a flash bank by the specified flash_bank_s bank_number, @a num.
+ * 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
@@ -184,8 +206,9 @@ struct flash_bank *get_flash_bank_by_num_noprobe(int num);
  * Returns the flash bank located at a specified address.
  * @param target The target, presumed to contain one or more banks.
  * @param addr An address that is within the range of the bank.
+ * @param check return ERROR_OK and result_bank NULL if the bank does not exist
  * @returns The struct flash_bank located at @a addr, or NULL.
  */
-struct flash_bank *get_flash_bank_by_addr(struct target *target, uint32_t addr);
+int get_flash_bank_by_addr(struct target *target, uint32_t addr, bool check, struct flash_bank **result_bank);
 
 #endif // FLASH_NOR_CORE_H