nandflash.h

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/**************************************************************************/
#ifndef __NANDFLASH_H
#define __NANDFLASH_H

/***************************************************************************/
/***************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif

#define NAND256W3A_SPARESIZE       16 
/* "Standard" byte positions in the spare area. */
#define NAND_SPARE_BADBLOCK_POS    5 
#define NAND_SPARE_ECC0_POS        6 
#define NAND_SPARE_ECC1_POS        7 
#define NAND_SPARE_ECC2_POS        8 
typedef enum
{
  NANDFLASH_STATUS_OK         = 0,        
  NANDFLASH_INVALID_DEVICE    = -1,       
  NANDFLASH_INVALID_ADDRESS   = -2,       
  NANDFLASH_WRITE_ERROR       = -3,       
  NANDFLASH_ECC_ERROR         = -4,       
  NANDFLASH_ECC_UNCORRECTABLE = -5,       
  NANDFLASH_INVALID_SETUP     = -6,       
  NANDFLASH_NOT_INITIALIZED   = -7,       
} NANDFLASH_Status_TypeDef;

typedef struct
{
  uint32_t baseAddress;                     
  uint8_t  manufacturerCode;                
  uint8_t  deviceCode;                      
  uint32_t deviceSize;                      
  uint32_t pageSize;                        
  uint32_t spareSize;                       
  uint32_t blockSize;                       
  uint32_t ecc;                             
  uint8_t  spare[ NAND256W3A_SPARESIZE ];   
  int      dmaCh;                           
} NANDFLASH_Info_TypeDef;

bool  NANDFLASH_AddressValid(uint32_t addr);
int   NANDFLASH_CopyPage(uint32_t dstAddr, uint32_t srcAddr);
NANDFLASH_Info_TypeDef *
NANDFLASH_DeviceInfo(void);
int   NANDFLASH_EccCorrect(uint32_t generatedEcc, uint32_t readEcc, uint8_t *data);
int   NANDFLASH_EraseBlock(uint32_t address);
int   NANDFLASH_Init(int dmaCh);
int   NANDFLASH_MarkBadBlock(uint32_t address);
int   NANDFLASH_ReadPage(uint32_t address, uint8_t *buffer);
int   NANDFLASH_ReadSpare(uint32_t address, uint8_t *buffer);
int   NANDFLASH_WritePage(uint32_t address, uint8_t *buffer);

#ifdef __cplusplus
}
#endif

#endif /* __NANDFLASH_H */