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authorKyungmin Park <kmpark@infradead.org>2008-11-04 09:24:07 +0900
committerScott Wood <scottwood@freescale.com>2009-01-23 10:32:44 -0600
commitef0921d6b05aeb9034158f9bef5323d6da9c925e (patch)
tree838ccebd79d88b85c2b88f93b6cf1fa104dfde8a /include/linux/mtd/onenand.h
parent4d0b54685c5c656023b826089ef8cc0ea1c5cd9e (diff)
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Sync with 2.6.27
Sync with OneNAND kernel codes Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'include/linux/mtd/onenand.h')
-rw-r--r--include/linux/mtd/onenand.h44
1 files changed, 26 insertions, 18 deletions
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 4467c2b..7547e96 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;
};
/**
@@ -70,6 +66,8 @@ 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;
@@ -81,26 +79,35 @@ struct onenand_chip {
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);
+ 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 (*read_spareram) (struct mtd_info *mtd, loff_t addr, int area,
+ unsigned char *buffer, int offset, size_t count);
+ 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;
+ unsigned char *page_buf;
+ unsigned char *oob_buf;
struct nand_oobinfo *autooob;
- struct nand_ecclayout *ecclayout;
+ struct nand_ecclayout *ecclayout;
void *bbm;
@@ -125,7 +132,9 @@ struct onenand_chip {
/*
* 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_PAGEBUF_ALLOC (0x1000)
#define ONENAND_OOBBUF_ALLOC (0x2000)
@@ -133,7 +142,6 @@ struct onenand_chip {
* OneNAND Flash Manufacturer ID Codes
*/
#define ONENAND_MFR_SAMSUNG 0xec
-#define ONENAND_MFR_UNKNOWN 0x00
/**
* struct nand_manufacturers - NAND Flash Manufacturer ID Structure