mtd: nand: omap: add support for BCH16_ECC - NAND driver updates

[u-boot] / include / linux / mtd / mtd.h

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 6f44abdc16102d345e97845f17bc624e5c37eb44..a65b6815515f2e087baa4ad41b860e7b9ee38286 100644 (file)
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -96,6 +96,29 @@ struct mtd_oob_ops {
        uint8_t         *oobbuf;
 };
 
+#ifdef CONFIG_SYS_NAND_MAX_OOBFREE
+#define MTD_MAX_OOBFREE_ENTRIES_LARGE  CONFIG_SYS_NAND_MAX_OOBFREE
+#else
+#define MTD_MAX_OOBFREE_ENTRIES_LARGE  32
+#endif
+
+#ifdef CONFIG_SYS_NAND_MAX_ECCPOS
+#define MTD_MAX_ECCPOS_ENTRIES_LARGE   CONFIG_SYS_NAND_MAX_ECCPOS
+#else
+#define MTD_MAX_ECCPOS_ENTRIES_LARGE   640
+#endif
+
+/*
+ * ECC layout control structure. Exported to userspace for
+ * diagnosis and to allow creation of raw images
+ */
+struct nand_ecclayout {
+       uint32_t eccbytes;
+       uint32_t eccpos[MTD_MAX_ECCPOS_ENTRIES_LARGE];
+       uint32_t oobavail;
+       struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE];
+};
+
 struct mtd_info {
        u_char type;
        u_int32_t flags;