111 lines
3.2 KiB
C
Executable File
111 lines
3.2 KiB
C
Executable File
#ifndef __BMT_H__
|
|
#define __BMT_H__
|
|
|
|
// #define __PRELOADER_NAND__
|
|
// #define __UBOOT_NAND__
|
|
#define __KERNEL_NAND__
|
|
|
|
#if defined(__PRELOADER_NAND__)
|
|
|
|
#include "nand.h"
|
|
|
|
#elif defined(__UBOOT_NAND__)
|
|
|
|
#include <linux/mtd/nand.h>
|
|
#include <asm/arch/mt65xx_typedefs.h>
|
|
#include <asm/arch/mt6573_nand.h>
|
|
|
|
#elif defined(__KERNEL_NAND__)
|
|
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/nand.h>
|
|
//#include <mach/mt6573_nand.h>
|
|
#include "mt6573_nand.h"
|
|
|
|
#endif
|
|
|
|
#define MAX_BMT_SIZE (0x80)
|
|
#define BMT_VERSION (1) // initial version
|
|
|
|
#define MAIN_SIGNATURE_OFFSET (0)
|
|
#define OOB_SIGNATURE_OFFSET (1)
|
|
#define OOB_INDEX_OFFSET (29)
|
|
#define OOB_INDEX_SIZE (2)
|
|
#define FAKE_INDEX (0xAAAA)
|
|
#define OOB_16B_INDEX_OFFSET (3)
|
|
|
|
typedef struct _bmt_entry_
|
|
{
|
|
u16 bad_index; // bad block index
|
|
u16 mapped_index; // mapping block index in the replace pool
|
|
} bmt_entry;
|
|
|
|
typedef enum
|
|
{
|
|
UPDATE_ERASE_FAIL,
|
|
UPDATE_WRITE_FAIL,
|
|
UPDATE_UNMAPPED_BLOCK,
|
|
UPDATE_REASON_COUNT,
|
|
} update_reason_t;
|
|
|
|
typedef enum
|
|
{
|
|
SET_RESERVE_ADD,
|
|
SET_RESERVE_SET,
|
|
SET_RESERVE_SUB,
|
|
|
|
SET_RESERVE_COUNT,
|
|
} set_res_flag_t;
|
|
|
|
|
|
typedef struct {
|
|
bmt_entry table[MAX_BMT_SIZE];
|
|
u8 version;
|
|
u8 mapped_count; // mapped block count in pool
|
|
u8 bad_count; // bad block count in pool. Not used in V1
|
|
}bmt_struct;
|
|
|
|
|
|
/***************************************************************
|
|
* *
|
|
* Interface BMT need to use *
|
|
* *
|
|
***************************************************************/
|
|
#if defined(__PRELOADER_NAND__)
|
|
|
|
extern int mt6573_nand_read_page_hw(u32 page, u8 *dat, u8 *oob);
|
|
extern bool nand_block_bad_hw(u32 offset);
|
|
extern bool mt6573_nand_erase_hw(u32 offset);
|
|
extern bool mark_block_bad_hw(u32 offset);
|
|
extern int mt6573_nand_write_page_hw(u32 page, u8 *dat, u8 *oob);
|
|
|
|
#elif defined(__UBOOT_NAND__)
|
|
|
|
extern bool mt6573_nand_exec_read_page_hw(struct nand_chip *nand, u32 page, u32 page_size, u8 *dat, u8 *oob);
|
|
extern bool nand_block_bad_hw(struct nand_chip *nand, u32 offset);
|
|
|
|
#elif defined(__KERNEL_NAND__)
|
|
|
|
extern bool mt6573_nand_exec_read_page(struct mtd_info *mtd, u32 row, u32 page_size, u8 *dat, u8 *oob);
|
|
extern int mt6573_nand_block_bad_hw(struct mtd_info *mtd, loff_t ofs);
|
|
extern int mt6573_nand_erase_hw(struct mtd_info *mtd, int page);
|
|
extern int mt6573_nand_block_markbad_hw(struct mtd_info *mtd, loff_t ofs);
|
|
extern int mt6573_nand_exec_write_page(struct mtd_info *mtd, u32 row, u32 page_size, u8 *dat, u8 *oob);
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/********************************************
|
|
* *
|
|
* Interface for preloader/uboot/kernel *
|
|
* *
|
|
********************************************/
|
|
void set_bad_index_to_oob(u8 *oob, u16 index);
|
|
bmt_struct *init_bmt(struct nand_chip* nand, int size);
|
|
bool update_bmt(u32 offset, update_reason_t reason, u8 *dat, u8 *oob);
|
|
unsigned short get_mapping_block_index(int index);
|
|
void set_bmt_reserve_region(set_res_flag_t flag, int size);
|
|
|
|
#endif // #ifndef __BMT_H__
|