X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Flinux%2Fmtd%2Fonenand.h;h=9a6f31752ed5787f76e8504a3543311e633d8efd;hb=4678d674f0cacc983dca7f6b9933cd8291c9797c;hp=8a0fd0de97efb4b2a42c83fd5c0a7d06970e6f34;hpb=d438d50848e9425286e5fb0493e0affb5a0b1e1b;p=u-boot

diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 8a0fd0de97..9a6f31752e 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -30,14 +30,10 @@ extern void onenand_release (struct mtd_info *mtd);
 
 /**
  * struct onenand_bufferram - OneNAND BufferRAM Data
- * @param block		block address in BufferRAM
- * @param page		page address in BufferRAM
- * @param valid		valid flag
+ * @param blockpage	block & page address in BufferRAM
  */
 struct onenand_bufferram {
-	int block;
-	int page;
-	int valid;
+	int blockpage;
 };
 
 /**
@@ -51,6 +47,7 @@ struct onenand_bufferram {
  * @param page_shift	[INTERN] number of address bits in a page
  * @param ppb_shift	[INTERN] number of address bits in a pages per block
  * @param page_mask	[INTERN] a page per block mask
+ * @param writesize	[INTERN] a real page size
  * @param bufferam_index	[INTERN] BufferRAM index
  * @param bufferam	[INTERN] BufferRAM info
  * @param readw		[REPLACEABLE] hardware specific function for read short
@@ -69,55 +66,83 @@ struct onenand_chip {
 	void __iomem *base;
 	unsigned int chipsize;
 	unsigned int device_id;
+	unsigned int version_id;
+	unsigned int density_mask;
 	unsigned int options;
 
 	unsigned int erase_shift;
 	unsigned int page_shift;
 	unsigned int ppb_shift;	/* Pages per block shift */
 	unsigned int page_mask;
+	unsigned int writesize;
 
 	unsigned int bufferram_index;
 	struct onenand_bufferram bufferram[MAX_BUFFERRAM];
 
-	int (*command) (struct mtd_info * mtd, int cmd, loff_t address,
+	int (*command) (struct mtd_info *mtd, int cmd, loff_t address,
 			size_t len);
-	int (*wait) (struct mtd_info * mtd, int state);
-	int (*read_bufferram) (struct mtd_info * mtd, int area,
+	int (*wait) (struct mtd_info *mtd, int state);
+	int (*bbt_wait) (struct mtd_info *mtd, int state);
+	void (*unlock_all)(struct mtd_info *mtd);
+	int (*read_bufferram) (struct mtd_info *mtd, loff_t addr, int area,
 			       unsigned char *buffer, int offset, size_t count);
-	int (*write_bufferram) (struct mtd_info * mtd, int area,
+	int (*write_bufferram) (struct mtd_info *mtd, loff_t addr, int area,
 				const unsigned char *buffer, int offset,
 				size_t count);
-	unsigned short (*read_word) (void __iomem * addr);
-	void (*write_word) (unsigned short value, void __iomem * addr);
-	void (*mmcontrol) (struct mtd_info * mtd, int sync_read);
+	unsigned short (*read_word) (void __iomem *addr);
+	void (*write_word) (unsigned short value, void __iomem *addr);
+	void (*mmcontrol) (struct mtd_info *mtd, int sync_read);
 	int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
 	int (*scan_bbt)(struct mtd_info *mtd);
 
+	unsigned char		*main_buf;
+	unsigned char		*spare_buf;
+#ifdef DONT_USE_UBOOT
 	spinlock_t chip_lock;
 	wait_queue_head_t wq;
+#endif
 	int state;
+	unsigned char		*page_buf;
+	unsigned char		*oob_buf;
 
 	struct nand_oobinfo *autooob;
+	int			subpagesize;
+	struct nand_ecclayout	*ecclayout;
 
 	void *bbm;
 
 	void *priv;
 };
 
+/*
+ * Helper macros
+ */
 #define ONENAND_CURRENT_BUFFERRAM(this)		(this->bufferram_index)
 #define ONENAND_NEXT_BUFFERRAM(this)		(this->bufferram_index ^ 1)
 #define ONENAND_SET_NEXT_BUFFERRAM(this)	(this->bufferram_index ^= 1)
+#define ONENAND_SET_PREV_BUFFERRAM(this)	(this->bufferram_index ^= 1)
+#define ONENAND_SET_BUFFERRAM0(this)		(this->bufferram_index = 0)
+#define ONENAND_SET_BUFFERRAM1(this)		(this->bufferram_index = 1)
+
+#define ONENAND_IS_DDP(this)						\
+	(this->device_id & ONENAND_DEVICE_IS_DDP)
+
+#define ONENAND_IS_2PLANE(this)			(0)
 
 /*
  * Options bits
  */
-#define ONENAND_CONT_LOCK		(0x0001)
+#define ONENAND_HAS_CONT_LOCK		(0x0001)
+#define ONENAND_HAS_UNLOCK_ALL		(0x0002)
+#define ONENAND_HAS_2PLANE		(0x0004)
+#define ONENAND_RUNTIME_BADBLOCK_CHECK	(0x0200)
+#define ONENAND_PAGEBUF_ALLOC		(0x1000)
+#define ONENAND_OOBBUF_ALLOC		(0x2000)
 
 /*
  * OneNAND Flash Manufacturer ID Codes
  */
 #define ONENAND_MFR_SAMSUNG	0xec
-#define ONENAND_MFR_UNKNOWN	0x00
 
 /**
  * struct nand_manufacturers - NAND Flash Manufacturer ID Structure
@@ -129,4 +154,7 @@ struct onenand_manufacturers {
 	char *name;
 };
 
+int onenand_bbt_read_oob(struct mtd_info *mtd, loff_t from,
+			struct mtd_oob_ops *ops);
+
 #endif				/* __LINUX_MTD_ONENAND_H */