X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fmtd%2Fonenand.h;h=68e174e310c9a780f2ee1b3d726809973843dcfd;hb=35e3717772c8c3534c18d8aac69e4b822777c23b;hp=9a6f31752ed5787f76e8504a3543311e633d8efd;hpb=4678d674f0cacc983dca7f6b9933cd8291c9797c;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 9a6f317..68e174e 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -20,8 +20,9 @@
 #include <linux/mtd/compat.h>
 #include <linux/mtd/bbm.h>
 
+#define MAX_DIES		2
 #define MAX_BUFFERRAM		2
-#define MAX_ONENAND_PAGESIZE	(2048 + 64)
+#define MAX_ONENAND_PAGESIZE	(4096 + 128)
 
 /* Scan and identify a OneNAND device */
 extern int onenand_scan (struct mtd_info *mtd, int max_chips);
@@ -39,9 +40,14 @@ struct onenand_bufferram {
 /**
  * struct onenand_chip - OneNAND Private Flash Chip Data
  * @param base		[BOARDSPECIFIC] address to access OneNAND
+ * @dies:               [INTERN][FLEXONENAND] number of dies on chip
+ * @boundary:           [INTERN][FLEXONENAND] Boundary of the dies
+ * @diesize:            [INTERN][FLEXONENAND] Size of the dies
  * @param chipsize	[INTERN] the size of one chip for multichip arrays
  * @param device_id	[INTERN] device ID
  * @param verstion_id	[INTERN] version ID
+ * @technology		[INTERN] describes the internal NAND array technology such as SLC or MLC.
+ * @density_mask:	[INTERN] chip density, used for DDP devices
  * @param options	[BOARDSPECIFIC] various chip options. They can partly be set to inform onenand_scan about
  * @param erase_shift	[INTERN] number of address bits in a block
  * @param page_shift	[INTERN] number of address bits in a page
@@ -64,9 +70,13 @@ struct onenand_bufferram {
  */
 struct onenand_chip {
 	void __iomem *base;
+	unsigned int dies;
+	unsigned int boundary[MAX_DIES];
+	unsigned int diesize[MAX_DIES];
 	unsigned int chipsize;
 	unsigned int device_id;
 	unsigned int version_id;
+	unsigned int technology;
 	unsigned int density_mask;
 	unsigned int options;
 
@@ -124,6 +134,8 @@ struct onenand_chip {
 #define ONENAND_SET_BUFFERRAM0(this)		(this->bufferram_index = 0)
 #define ONENAND_SET_BUFFERRAM1(this)		(this->bufferram_index = 1)
 
+#define FLEXONENAND(this)	(this->device_id & DEVICE_IS_FLEXONENAND)
+#define ONENAND_IS_MLC(this)	(this->technology & ONENAND_TECHNOLOGY_IS_MLC)
 #define ONENAND_IS_DDP(this)						\
 	(this->device_id & ONENAND_DEVICE_IS_DDP)
 
@@ -157,4 +169,6 @@ struct onenand_manufacturers {
 int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from,
 			struct mtd_oob_ops *ops);
 
+unsigned int onenand_block(struct onenand_chip *this, loff_t addr);
+int flexonenand_region(struct mtd_info *mtd, loff_t addr);
 #endif				/* __LINUX_MTD_ONENAND_H */