X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fflash%2Fnor%2Fcore.h;h=338363e2acad9713bfeccb1b786ab686e84cb529;hb=2168c475ff7ca0f2914bee39700952600014ac40;hp=ff14df0a3184852058c7f91a5525ee48a50bdc41;hpb=4532dc78314a543f205e15d37d1bc7fa03df7595;p=openocd.git
diff --git a/src/flash/nor/core.h b/src/flash/nor/core.h
index ff14df0a31..338363e2ac 100644
--- a/src/flash/nor/core.h
+++ b/src/flash/nor/core.h
@@ -16,12 +16,11 @@
* 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 . *
***************************************************************************/
-#ifndef FLASH_NOR_CORE_H
-#define FLASH_NOR_CORE_H
+
+#ifndef OPENOCD_FLASH_NOR_CORE_H
+#define OPENOCD_FLASH_NOR_CORE_H
#include
@@ -39,15 +38,16 @@ struct image;
* within a flash bank. A single bank typically consists of multiple
* sectors, each of which can be erased and protected independently.
*/
-struct flash_sector
-{
- /// Bus offset from start of the flash chip (in bytes).
+struct flash_sector {
+ /** Bus offset from start of the flash chip (in bytes). */
uint32_t offset;
- /// Number of bytes in this flash sector.
+ /** Number of bytes in this flash sector. */
uint32_t size;
/**
* 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;
/**
@@ -58,6 +58,9 @@ struct flash_sector
* 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;
};
@@ -72,9 +75,8 @@ struct flash_sector
* may use the @c driver_priv member to store additional data on a
* per-bank basis, if required.
*/
-struct flash_bank
-{
- char *name;
+struct flash_bank {
+ const char *name;
struct target *target; /**< Target to which this bank belongs. */
@@ -88,19 +90,36 @@ struct flash_bank
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 */
};
-/// Registers the 'flash' subsystem commands
+/** Registers the 'flash' subsystem commands */
int flash_register_commands(struct command_context *cmd_ctx);
/**
@@ -134,7 +153,7 @@ int flash_write(struct target *target,
* 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.
+/** @returns The number of flash banks currently defined. */
int flash_get_bank_count(void);
/**
* Provides default read implementation for flash memory.
@@ -153,13 +172,6 @@ int default_flash_read(struct flash_bank *bank,
* @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
@@ -209,6 +221,15 @@ struct flash_bank *get_flash_bank_by_num_noprobe(int num);
* @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.
*/
-int get_flash_bank_by_addr(struct target *target, uint32_t addr, bool check, struct flash_bank **result_bank);
+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 */