X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fmxs_nand.h;h=66c909318d1fe114bb391b05cd3690d90f9bbe8c;hb=5fac11e6d5ab350429b8c8ddf47d3d3877ca89d1;hp=4bd65cded94a6cc44d293fabe54ad9c1ce147ca5;hpb=dcf722ece6aad0c1512a26cdefc2f74a192fa9d2;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/mxs_nand.h b/include/mxs_nand.h
index 4bd65cd..66c9093 100644
--- a/include/mxs_nand.h
+++ b/include/mxs_nand.h
@@ -8,6 +8,7 @@
  */
 
 #include <linux/mtd/mtd.h>
+#include <linux/mtd/rawnand.h>
 #include <asm/cache.h>
 #include <nand.h>
 #include <asm/mach-imx/dma.h>
@@ -16,22 +17,26 @@
  * @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 +44,8 @@ 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;
@@ -66,8 +73,32 @@ struct mxs_nand_info {
 	/* DMA descriptors */
 	struct mxs_dma_desc	**desc;
 	uint32_t		desc_index;
+
+	/* Hardware BCH interface and randomizer */
+	u32 en_randomizer;
+	u32 writesize;
+	u32 oobsize;
+	u32 bch_flash0layout0;
+	u32 bch_flash0layout1;
+};
+
+struct mxs_nand_layout {
+	u32 nblocks;
+	u32 meta_size;
+	u32 data0_size;
+	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_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);
+void mxs_nand_get_layout(struct mtd_info *mtd, struct mxs_nand_layout *l);