hw/flash.h

   1 /* NOR flash devices */
   2 typedef struct pflash_t pflash_t;
   3
   4 /* pflash_cfi01.c */
   5 pflash_t *pflash_cfi01_register(target_phys_addr_t base, ram_addr_t off,
   6                                 BlockDriverState *bs,
   7                                 uint32_t sector_len, int nb_blocs, int width,
   8                                 uint16_t id0, uint16_t id1,
   9                                 uint16_t id2, uint16_t id3);
  10
  11 /* pflash_cfi02.c */
  12 pflash_t *pflash_cfi02_register(target_phys_addr_t base, ram_addr_t off,
  13                                 BlockDriverState *bs, uint32_t sector_len,
  14                                 int nb_blocs, int nb_mappings, int width,
  15                                 uint16_t id0, uint16_t id1,
  16                                 uint16_t id2, uint16_t id3,
  17                                 uint16_t unlock_addr0, uint16_t unlock_addr1);
  18
  19 /* nand.c */
  20 struct nand_flash_s;
  21 struct nand_flash_s *nand_init(int manf_id, int chip_id);
  22 void nand_done(struct nand_flash_s *s);
  23 void nand_setpins(struct nand_flash_s *s,
  24                 int cle, int ale, int ce, int wp, int gnd);
  25 void nand_getpins(struct nand_flash_s *s, int *rb);
  26 void nand_setio(struct nand_flash_s *s, uint8_t value);
  27 uint8_t nand_getio(struct nand_flash_s *s);
  28
  29 #define NAND_MFR_TOSHIBA        0x98
  30 #define NAND_MFR_SAMSUNG        0xec
  31 #define NAND_MFR_FUJITSU        0x04
  32 #define NAND_MFR_NATIONAL       0x8f
  33 #define NAND_MFR_RENESAS        0x07
  34 #define NAND_MFR_STMICRO        0x20
  35 #define NAND_MFR_HYNIX          0xad
  36 #define NAND_MFR_MICRON         0x2c
  37
  38 /* onenand.c */
  39 void onenand_base_update(void *opaque, target_phys_addr_t new);
  40 void onenand_base_unmap(void *opaque);
  41 void *onenand_init(uint32_t id, int regshift, qemu_irq irq);
  42
  43 /* ecc.c */
  44 struct ecc_state_s {
  45     uint8_t cp;         /* Column parity */
  46     uint16_t lp[2];     /* Line parity */
  47     uint16_t count;
  48 };
  49
  50 uint8_t ecc_digest(struct ecc_state_s *s, uint8_t sample);
  51 void ecc_reset(struct ecc_state_s *s);
  52 void ecc_put(QEMUFile *f, struct ecc_state_s *s);
  53 void ecc_get(QEMUFile *f, struct ecc_state_s *s);