* 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. *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
-#ifndef FLASH_NOR_CORE_H
-#define FLASH_NOR_CORE_H
+#ifndef OPENOCD_FLASH_NOR_CORE_H
+#define OPENOCD_FLASH_NOR_CORE_H
#include <flash/common.h>
/**
* Indication of erasure status: 0 = not erased, 1 = erased,
* other = unknown. Set by @c flash_driver_s::erase_check.
+ *
+ * Flag is not used in protection block
*/
int is_erased;
/**
* This information must be considered stale immediately.
* A million things could make it stale: power cycle,
* reset of target, code running on target, etc.
+ *
+ * If a flash_bank uses an extra array of protection blocks,
+ * protection flag is not valid in sector array
*/
int is_protected;
};
* per-bank basis, if required.
*/
struct flash_bank {
- const char *name;
+ char *name;
struct target *target; /**< Target to which this bank belongs. */
int chip_width; /**< Width of the chip in bytes (1,2,4 bytes) */
int bus_width; /**< Maximum bus width, in bytes (1,2,4 bytes) */
+ /** Erased value. Defaults to 0xFF. */
+ uint8_t erased_value;
+
+ /** Default padded value used, normally this matches the flash
+ * erased value. Defaults to 0xFF. */
+ uint8_t default_padded_value;
+
/**
* The number of sectors on this chip. This value will
* be set intially to 0, and the flash driver must set this to
* some non-zero value during "probe()" or "auto_probe()".
*/
int num_sectors;
- /** Array of sectors, allocated and initilized by the flash driver */
+ /** Array of sectors, allocated and initialized by the flash driver */
struct flash_sector *sectors;
+ /**
+ * The number of protection blocks in this bank. This value
+ * is set intially to 0 and sectors are used as protection blocks.
+ * Driver probe can set protection blocks array to work with
+ * protection granularity different than sector size.
+ */
+ int num_prot_blocks;
+ /** Array of protection blocks, allocated and initilized by the flash driver */
+ struct flash_sector *prot_blocks;
+
struct flash_bank *next; /**< The next flash bank on this chip */
};
* This routine must be called when the system may modify the status.
*/
void flash_set_dirty(void);
+
/** @returns The number of flash banks currently defined. */
int flash_get_bank_count(void);
+
+/** Deallocates bank->driver_priv */
+void default_flash_free_driver_priv(struct flash_bank *bank);
+
+/** Deallocates all flash banks */
+void flash_free_all_banks(void);
/**
* Provides default read implementation for flash memory.
* @param bank The bank to read.
* @returns ERROR_OK if successful; otherwise, an error code.
*/
int default_flash_blank_check(struct flash_bank *bank);
-/**
- * Provides a default blank flash memory check. Ensures the contents
- * of the given bank have truly been erased.
- * @param bank The flash bank.
- * @returns ERROR_OK if successful; otherwise, an error code.
- */
-int default_flash_mem_blank_check(struct flash_bank *bank);
/**
* Returns the flash bank specified by @a name, which matches the
*/
int get_flash_bank_by_addr(struct target *target, uint32_t addr, bool check,
struct flash_bank **result_bank);
+/**
+ * Allocate and fill an array of sectors or protection blocks.
+ * @param offset Offset of first block.
+ * @param size Size of each block.
+ * @param num_blocks Number of blocks in array.
+ * @returns A struct flash_sector pointer or NULL when allocation failed.
+ */
+struct flash_sector *alloc_block_array(uint32_t offset, uint32_t size, int num_blocks);
-#endif /* FLASH_NOR_CORE_H */
+#endif /* OPENOCD_FLASH_NOR_CORE_H */