Fix OneNAND read_oob/write_oob functions compatability

Also sync with kernel OneNAND codes

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>

4 files changed, 33 insertions, 12 deletions

diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h
index bffb25b2575..abf8f1a7e86 100644
--- a/include/linux/mtd/bbm.h
+++ b/include/linux/mtd/bbm.h
@@ -97,6 +97,13 @@ struct nand_bbt_descr {
  */
 #define ONENAND_BADBLOCK_POS	0
 
+/*
+ * Bad block scanning errors
+ */
+#define ONENAND_BBT_READ_ERROR          1
+#define ONENAND_BBT_READ_ECC_ERROR      2
+#define ONENAND_BBT_READ_FATAL_ERROR    4
+
 /**
  * struct bbt_info - [GENERIC] Bad Block Table data structure
  * @param bbt_erase_shift	[INTERN] number of address bits in a bbt entry
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 8a0fd0de97e..420eb140a3c 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -75,6 +75,7 @@ struct onenand_chip {
 	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];
@@ -93,25 +94,39 @@ struct onenand_chip {
 	int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
 	int (*scan_bbt)(struct mtd_info *mtd);
 
-	spinlock_t chip_lock;
-	wait_queue_head_t wq;
 	int state;
+	unsigned char *page_buf;
+	unsigned char *oob_buf;
 
 	struct nand_oobinfo *autooob;
+	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_PAGEBUF_ALLOC		(0x1000)
+#define ONENAND_OOBBUF_ALLOC		(0x2000)
 
 /*
  * OneNAND Flash Manufacturer ID Codes
@@ -129,4 +144,7 @@ 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 */
diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h
index c8a9f3e9044..6a8aa28b1b5 100644
--- a/include/linux/mtd/onenand_regs.h
+++ b/include/linux/mtd/onenand_regs.h
@@ -83,6 +83,8 @@
  * Start Address 1 F100h (R/W)
  */
 #define ONENAND_DDP_SHIFT		(15)
+#define ONENAND_DDP_CHIP0		(0)
+#define ONENAND_DDP_CHIP1		(1 << ONENAND_DDP_SHIFT)
 
 /*
  * Start Address 8 F107h (R/W)
diff --git a/include/onenand_uboot.h b/include/onenand_uboot.h
index 4260ee7eb44..6605e4f218d 100644
--- a/include/onenand_uboot.h
+++ b/include/onenand_uboot.h
@@ -16,23 +16,17 @@
 
 #include <linux/types.h>
 
-struct kvec {
-	void *iov_base;
-	size_t iov_len;
-};
-
-typedef int spinlock_t;
-typedef int wait_queue_head_t;
-
 struct mtd_info;
 struct erase_info;
 
+extern struct mtd_info onenand_mtd;
+
 /* Functions */
 extern void onenand_init(void);
 extern int onenand_read(struct mtd_info *mtd, loff_t from, size_t len,
 			size_t * retlen, u_char * buf);
-extern int onenand_read_oob(struct mtd_info *mtd, loff_t from, size_t len,
-			    size_t * retlen, u_char * buf);
+extern int onenand_read_oob(struct mtd_info *mtd, loff_t from,
+			    struct mtd_oob_ops *ops);
 extern int onenand_write(struct mtd_info *mtd, loff_t from, size_t len,
 			 size_t * retlen, const u_char * buf);
 extern int onenand_erase(struct mtd_info *mtd, struct erase_info *instr);