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-rw-r--r--include/mxs_nand.h18
1 files changed, 13 insertions, 5 deletions
diff --git a/include/mxs_nand.h b/include/mxs_nand.h
index ada20483d0..c0cefaca90 100644
--- 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 {
@@ -39,6 +43,8 @@ struct mxs_nand_info {
struct udevice *dev;
unsigned int max_ecc_strength_supported;
bool use_minimum_ecc;
+ /* legacy bch geometry flag */
+ bool legacy_bch_geometry;
int cur_chip;
uint32_t cmd_queue_len;
@@ -82,13 +88,15 @@ struct mxs_nand_layout {
u32 ecc0;
u32 datan_size;
u32 eccn;
+ u32 gf_len;
};
int mxs_nand_init_ctrl(struct mxs_nand_info *nand_info);
int mxs_nand_init_spl(struct nand_chip *nand);
int mxs_nand_setup_ecc(struct mtd_info *mtd);
-void mxs_nand_mode_fcb(struct mtd_info *mtd);
+void mxs_nand_mode_fcb_62bit(struct mtd_info *mtd);
+void mxs_nand_mode_fcb_40bit(struct mtd_info *mtd);
void mxs_nand_mode_normal(struct mtd_info *mtd);
u32 mxs_nand_mark_byte_offset(struct mtd_info *mtd);
u32 mxs_nand_mark_bit_offset(struct mtd_info *mtd);