text: /* NOR flash devices */
  typedef struct pflash_t pflash_t;
  
  /* pflash_cfi01.c */
  pflash_t *pflash_cfi01_register(target_phys_addr_t base, ram_addr_t off,
                                  BlockDriverState *bs,
                                  uint32_t sector_len, int nb_blocs, int width,
                                  uint16_t id0, uint16_t id1,
                                  uint16_t id2, uint16_t id3, int be);
  
  /* pflash_cfi02.c */
  pflash_t *pflash_cfi02_register(target_phys_addr_t base, ram_addr_t off,
                                  BlockDriverState *bs, uint32_t sector_len,
                                  int nb_blocs, int nb_mappings, int width,
                                  uint16_t id0, uint16_t id1,
                                  uint16_t id2, uint16_t id3,
                                  uint16_t unlock_addr0, uint16_t unlock_addr1,
                                  int be);
  
  /* nand.c */
  typedef struct NANDFlashState NANDFlashState;
  NANDFlashState *nand_init(int manf_id, int chip_id);
  void nand_done(NANDFlashState *s);
  void nand_setpins(NANDFlashState *s,
                  int cle, int ale, int ce, int wp, int gnd);
  void nand_getpins(NANDFlashState *s, int *rb);
  void nand_setio(NANDFlashState *s, uint8_t value);
  uint8_t nand_getio(NANDFlashState *s);
  
  #define NAND_MFR_TOSHIBA	0x98
  #define NAND_MFR_SAMSUNG	0xec
  #define NAND_MFR_FUJITSU	0x04
  #define NAND_MFR_NATIONAL	0x8f
  #define NAND_MFR_RENESAS	0x07
  #define NAND_MFR_STMICRO	0x20
  #define NAND_MFR_HYNIX		0xad
  #define NAND_MFR_MICRON		0x2c
  
  /* onenand.c */
  void onenand_base_update(void *opaque, target_phys_addr_t new);
  void onenand_base_unmap(void *opaque);
  void *onenand_init(uint32_t id, int regshift, qemu_irq irq);
  void *onenand_raw_otp(void *opaque);
  
  /* ecc.c */
  typedef struct {
      uint8_t cp;		/* Column parity */
      uint16_t lp[2];	/* Line parity */
      uint16_t count;
  } ECCState;
  
  uint8_t ecc_digest(ECCState *s, uint8_t sample);
  void ecc_reset(ECCState *s);
  void ecc_put(QEMUFile *f, ECCState *s);
  void ecc_get(QEMUFile *f, ECCState *s);
  