#ifndef NAND_H
#define NAND_H
-#include "flash.h"
-
-struct nand_device_s;
-
-#define __NAND_DEVICE_COMMAND(name) \
- COMMAND_HELPER(name, struct nand_device_s *nand)
-
-typedef struct nand_flash_controller_s
-{
- char *name;
- __NAND_DEVICE_COMMAND((*nand_device_command));
- int (*register_commands)(struct command_context_s *cmd_ctx);
- int (*init)(struct nand_device_s *nand);
- int (*reset)(struct nand_device_s *nand);
- int (*command)(struct nand_device_s *nand, uint8_t command);
- int (*address)(struct nand_device_s *nand, uint8_t address);
- int (*write_data)(struct nand_device_s *nand, uint16_t data);
- int (*read_data)(struct nand_device_s *nand, void *data);
- int (*write_block_data)(struct nand_device_s *nand, uint8_t *data, int size);
- int (*read_block_data)(struct nand_device_s *nand, uint8_t *data, int size);
- int (*write_page)(struct nand_device_s *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
- int (*read_page)(struct nand_device_s *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
- int (*controller_ready)(struct nand_device_s *nand, int timeout);
- int (*nand_ready)(struct nand_device_s *nand, int timeout);
-} nand_flash_controller_t;
-
-#define NAND_DEVICE_COMMAND_HANDLER(name) static __NAND_DEVICE_COMMAND(name)
-
-typedef struct nand_block_s
+#include <flash/common.h>
+// to be removed later
+#include <target/target.h>
+// to be removed later
+#include <flash/nand/driver.h>
+
+/**
+ * Representation of a single NAND block in a NAND device.
+ */
+struct nand_block
{
+ /** Offset to the block. */
uint32_t offset;
+
+ /** Size of the block. */
uint32_t size;
+
+ /** True if the block has been erased. */
int is_erased;
+
+ /** True if the block is bad. */
int is_bad;
-} nand_block_t;
+};
struct nand_oobfree {
int offset;
int length;
};
-typedef struct nand_ecclayout_s {
+struct nand_ecclayout {
int eccbytes;
int eccpos[64];
int oobavail;
struct nand_oobfree oobfree[2];
-} nand_ecclayout_t;
+};
-typedef struct nand_device_s
+struct nand_device
{
- nand_flash_controller_t *controller;
+ char *name;
+ struct nand_flash_controller *controller;
void *controller_priv;
- struct nand_manufacturer_s *manufacturer;
- struct nand_info_s *device;
+ struct nand_manufacturer *manufacturer;
+ struct nand_info *device;
int bus_width;
int address_cycles;
int page_size;
int erase_size;
int use_raw;
int num_blocks;
- nand_block_t *blocks;
- struct nand_device_s *next;
-} nand_device_t;
+ struct nand_block *blocks;
+ struct nand_device *next;
+};
/* NAND Flash Manufacturer ID Codes
*/
NAND_MFR_MICRON = 0x2c,
};
-typedef struct nand_manufacturer_s
+struct nand_manufacturer
{
int id;
char *name;
-} nand_manufacturer_t;
+};
-typedef struct nand_info_s
+struct nand_info
{
char *name;
int id;
int chip_size;
int erase_size;
int options;
-} nand_info_t;
+};
/* Option constants for bizarre disfunctionality and real features
*/
};
-nand_device_t *get_nand_device_by_num(int 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 davinci banks are defined, then 'davinci.1' refers
+ * to the second (e.g. DM355EVM).
+ */
+struct nand_device *get_nand_device_by_name(const char *name);
+
+struct nand_device *get_nand_device_by_num(int num);
+
+int nand_page_command(struct nand_device *nand, uint32_t page,
+ uint8_t cmd, bool oob_only);
-int nand_read_page_raw(struct nand_device_s *nand, uint32_t page,
+int nand_read_page_raw(struct nand_device *nand, uint32_t page,
uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
-int nand_write_page_raw(struct nand_device_s *nand, uint32_t page,
+int nand_write_page_raw(struct nand_device *nand, uint32_t page,
uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
-int nand_read_status(struct nand_device_s *nand, uint8_t *status);
+int nand_read_status(struct nand_device *nand, uint8_t *status);
-int nand_calculate_ecc(struct nand_device_s *nand,
+int nand_calculate_ecc(struct nand_device *nand,
const uint8_t *dat, uint8_t *ecc_code);
-int nand_calculate_ecc_kw(struct nand_device_s *nand,
+int nand_calculate_ecc_kw(struct nand_device *nand,
const uint8_t *dat, uint8_t *ecc_code);
-int nand_register_commands(struct command_context_s *cmd_ctx);
-int nand_init(struct command_context_s *cmd_ctx);
+int nand_register_commands(struct command_context *cmd_ctx);
+int nand_init(struct command_context *cmd_ctx);
/// helper for parsing a nand device command argument string
-int nand_command_get_device_by_num(struct command_context_s *cmd_ctx,
- const char *str, nand_device_t **nand);
+COMMAND_HELPER(nand_command_get_device, unsigned name_index,
+ struct nand_device **nand);
#define ERROR_NAND_DEVICE_INVALID (-1100)