#include "flash.h"
-struct nand_device_s;
+struct nand_device;
-typedef struct nand_flash_controller_s
+#define __NAND_DEVICE_COMMAND(name) \
+ COMMAND_HELPER(name, struct nand_device *nand)
+
+struct nand_flash_controller
{
char *name;
- int (*nand_device_command)(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct nand_device_s *device);
- int (*register_commands)(struct command_context_s *cmd_ctx);
- int (*init)(struct nand_device_s *device);
- int (*reset)(struct nand_device_s *device);
- int (*command)(struct nand_device_s *device, uint8_t command);
- int (*address)(struct nand_device_s *device, uint8_t address);
- int (*write_data)(struct nand_device_s *device, uint16_t data);
- int (*read_data)(struct nand_device_s *device, void *data);
- int (*write_block_data)(struct nand_device_s *device, uint8_t *data, int size);
- int (*read_block_data)(struct nand_device_s *device, uint8_t *data, int size);
- int (*write_page)(struct nand_device_s *device, u32 page, uint8_t *data, u32 data_size, uint8_t *oob, u32 oob_size);
- int (*read_page)(struct nand_device_s *device, u32 page, uint8_t *data, u32 data_size, uint8_t *oob, u32 oob_size);
- int (*controller_ready)(struct nand_device_s *device, int timeout);
- int (*nand_ready)(struct nand_device_s *device, int timeout);
-} nand_flash_controller_t;
-
-typedef struct nand_block_s
+ __NAND_DEVICE_COMMAND((*nand_device_command));
+ int (*register_commands)(struct command_context *cmd_ctx);
+ int (*init)(struct nand_device *nand);
+ int (*reset)(struct nand_device *nand);
+ int (*command)(struct nand_device *nand, uint8_t command);
+ int (*address)(struct nand_device *nand, uint8_t address);
+ int (*write_data)(struct nand_device *nand, uint16_t data);
+ int (*read_data)(struct nand_device *nand, void *data);
+ int (*write_block_data)(struct nand_device *nand, uint8_t *data, int size);
+ int (*read_block_data)(struct nand_device *nand, uint8_t *data, int size);
+ int (*write_page)(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
+ int (*read_page)(struct nand_device *nand, uint32_t page, uint8_t *data, uint32_t data_size, uint8_t *oob, uint32_t oob_size);
+ int (*controller_ready)(struct nand_device *nand, int timeout);
+ int (*nand_ready)(struct nand_device *nand, int timeout);
+};
+
+#define NAND_DEVICE_COMMAND_HANDLER(name) static __NAND_DEVICE_COMMAND(name)
+
+struct nand_block
{
- u32 offset;
- u32 size;
+ uint32_t offset;
+ uint32_t size;
int is_erased;
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;
+ 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_OOB_YAFFS2 = 0x100,/* when writing, use YAFFS2 OOB layout */
};
-/* Function prototypes */
-extern nand_device_t *get_nand_device_by_num(int num);
-extern int nand_read_page_raw(struct nand_device_s *device, u32 page, uint8_t *data, u32 data_size, uint8_t *oob, u32 oob_size);
-extern int nand_write_page_raw(struct nand_device_s *device, u32 page, uint8_t *data, u32 data_size, uint8_t *oob, u32 oob_size);
-extern int nand_read_status(struct nand_device_s *device, uint8_t *status);
-extern int nand_calculate_ecc(struct nand_device_s *device, const uint8_t *dat, uint8_t *ecc_code);
-extern int nand_calculate_ecc_kw(struct nand_device_s *device, const uint8_t *dat, uint8_t *ecc_code);
-extern int nand_register_commands(struct command_context_s *cmd_ctx);
-extern int nand_init(struct command_context_s *cmd_ctx);
+struct nand_device *get_nand_device_by_num(int num);
+
+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 *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 *nand, uint8_t *status);
+
+int nand_calculate_ecc(struct nand_device *nand,
+ const uint8_t *dat, uint8_t *ecc_code);
+int nand_calculate_ecc_kw(struct nand_device *nand,
+ const uint8_t *dat, uint8_t *ecc_code);
+
+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 *cmd_ctx,
+ const char *str, struct nand_device **nand);
+
#define ERROR_NAND_DEVICE_INVALID (-1100)
#define ERROR_NAND_OPERATION_FAILED (-1101)
#define ERROR_NAND_OPERATION_NOT_SUPPORTED (-1103)
#define ERROR_NAND_DEVICE_NOT_PROBED (-1104)
#define ERROR_NAND_ERROR_CORRECTION_FAILED (-1105)
+#define ERROR_NAND_NO_BUFFER (-1106)
#endif /* NAND_H */