mtd: nand: kirkwood: enable BCH ECC and add support for dynamically switching ECC...

[karo-tx-uboot.git] / include / linux / mtd / nand_ecc.h

diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h
index 090da505425d77d105acb6133d63dfaaa7c95b7b..b07e7431f3294a0372fb3927545743566e4343f3 100644 (file)
--- a/include/linux/mtd/nand_ecc.h
+++ b/include/linux/mtd/nand_ecc.h
@@ -25,4 +25,18 @@ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code
  */
 int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
 
+#ifdef CONFIG_NAND_ECC_SOFT_RS
+/*
+ * Calculate 10 byte RS ECC syndrome for 512 byte block
+ */
+int nand_rs_calculate_ecc(struct mtd_info *mtd, const uint8_t *data, uint8_t *ecc);
+
+/*
+ * stub routine for unsupported RS-ECC decoding
+ */
+int nand_rs_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
+
+void kw_nand_ecc_switch(struct mtd_info *mtd, nand_ecc_modes_t eccmode);
+#endif
+
 #endif /* __MTD_NAND_ECC_H__ */