mtd: gpmi: change the BCH layout setting for large oob NAND

[oweals/u-boot.git] / include / mxs_nand.h

diff --git a/include/mxs_nand.h b/include/mxs_nand.h
index ada20483d06710060fc4a4e108298e54bf0f42fa..497da77a16d18b315c5c4bf3cff7dd5d3b15b18c 100644 (file)
--- a/include/mxs_nand.h
+++ b/include/mxs_nand.h
@@ -16,22 +16,26 @@
  * @gf_len:                   The length of Galois Field. (e.g., 13 or 14)
  * @ecc_strength:             A number that describes the strength of the ECC
  *                            algorithm.
- * @ecc_chunk_size:           The size, in bytes, of a single ECC chunk. Note
- *                            the first chunk in the page includes both data and
- *                            metadata, so it's a bit larger than this value.
+ * @ecc_chunk0_size:          The size, in bytes, of a first ECC chunk.
+ * @ecc_chunkn_size:          The size, in bytes, of a single ECC chunk after
+ *                            the first chunk in the page.
  * @ecc_chunk_count:          The number of ECC chunks in the page,
  * @block_mark_byte_offset:   The byte offset in the ECC-based page view at
  *                            which the underlying physical block mark appears.
  * @block_mark_bit_offset:    The bit offset into the ECC-based page view at
  *                            which the underlying physical block mark appears.
+ * @ecc_for_meta:             The flag to indicate if there is a dedicate ecc
+ *                            for meta.
  */
 struct bch_geometry {
        unsigned int  gf_len;
        unsigned int  ecc_strength;
-       unsigned int  ecc_chunk_size;
+       unsigned int  ecc_chunk0_size;
+       unsigned int  ecc_chunkn_size;
        unsigned int  ecc_chunk_count;
        unsigned int  block_mark_byte_offset;
        unsigned int  block_mark_bit_offset;
+       unsigned int  ecc_for_meta; /* ECC for meta data */
 };
 
 struct mxs_nand_info {