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Sync with 2.6.27

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Sync with OneNAND kernel codes

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Kyungmin Park
2008-11-04 09:24:07 +09:00
committed by Scott Wood
parent 4d0b54685c
commit ef0921d6b0
6 changed files with 406 additions and 179 deletions
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44
include/linux/mtd/onenand.h
View File

@@ -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

1
include/linux/mtd/onenand_regs.h
View File

@@ -119,6 +119,7 @@
#define ONENAND_CMD_UNLOCK (0x23)
#define ONENAND_CMD_LOCK (0x2A)
#define ONENAND_CMD_LOCK_TIGHT (0x2C)
#define ONENAND_CMD_UNLOCK_ALL (0x27)
#define ONENAND_CMD_ERASE (0x94)
#define ONENAND_CMD_RESET (0xF0)
#define ONENAND_CMD_READID (0x90)