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-rw-r--r--hw/flash.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/hw/flash.h b/hw/flash.h
new file mode 100644
index 000000000..42d25fe4d
--- /dev/null
+++ b/hw/flash.h
@@ -0,0 +1,47 @@
+/* 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);
+
+/* 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 width,
+ uint16_t id0, uint16_t id1,
+ uint16_t id2, uint16_t id3);
+
+/* nand.c */
+struct nand_flash_s;
+struct nand_flash_s *nand_init(int manf_id, int chip_id);
+void nand_done(struct nand_flash_s *s);
+void nand_setpins(struct nand_flash_s *s,
+ int cle, int ale, int ce, int wp, int gnd);
+void nand_getpins(struct nand_flash_s *s, int *rb);
+void nand_setio(struct nand_flash_s *s, uint8_t value);
+uint8_t nand_getio(struct nand_flash_s *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
+
+/* ecc.c */
+struct ecc_state_s {
+ uint8_t cp; /* Column parity */
+ uint16_t lp[2]; /* Line parity */
+ uint16_t count;
+};
+
+uint8_t ecc_digest(struct ecc_state_s *s, uint8_t sample);
+void ecc_reset(struct ecc_state_s *s);
+void ecc_put(QEMUFile *f, struct ecc_state_s *s);
+void ecc_get(QEMUFile *f, struct ecc_state_s *s);