diff options
Diffstat (limited to 'include/nand.h')
| -rw-r--r-- | include/nand.h | 61 | 
1 files changed, 61 insertions, 0 deletions
| diff --git a/include/nand.h b/include/nand.h index 905115b3d..23493f7e9 100644 --- a/include/nand.h +++ b/include/nand.h @@ -60,4 +60,65 @@ static inline int nand_erase(nand_info_t *info, ulong off, ulong size)  	return info->erase(info, &instr);  } + +/***************************************************************************** + * declarations from nand_util.c + ****************************************************************************/ + +struct nand_write_options { +	u_char *buffer;		/* memory block containing image to write */ +	ulong length;		/* number of bytes to write */ +	ulong offset;		/* start address in NAND */ +	int quiet;		/* don't display progress messages */ +	int autoplace;		/* if true use auto oob layout */ +	int forcejffs2;		/* force jffs2 oob layout */ +	int forceyaffs;		/* force yaffs oob layout */ +	int noecc;		/* write without ecc */ +	int writeoob;		/* image contains oob data */ +	int pad;		/* pad to page size */ +	int blockalign;		/* 1|2|4 set multiple of eraseblocks +				 * to align to */ +}; + +typedef struct nand_write_options nand_write_options_t; + +struct nand_read_options { +	u_char *buffer;		/* memory block in which read image is written*/ +	ulong length;		/* number of bytes to read */ +	ulong offset;		/* start address in NAND */ +	int quiet;		/* don't display progress messages */ +	int readoob;		/* put oob data in image */ +}; + +typedef struct nand_read_options nand_read_options_t; + +struct nand_erase_options { +	ulong length;		/* number of bytes to erase */ +	ulong offset;		/* first address in NAND to erase */ +	int quiet;		/* don't display progress messages */ +	int jffs2;		/* if true: format for jffs2 usage +				 * (write appropriate cleanmarker blocks) */ +	int scrub;		/* if true, really clean NAND by erasing +				 * bad blocks (UNSAFE) */ +}; + +typedef struct nand_erase_options nand_erase_options_t; + +int nand_write_opts(nand_info_t *meminfo, const nand_write_options_t *opts); + +int nand_read_opts(nand_info_t *meminfo, const nand_read_options_t *opts); +int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts); + +#define NAND_LOCK_STATUS_TIGHT	0x01 +#define NAND_LOCK_STATUS_LOCK	0x02 +#define NAND_LOCK_STATUS_UNLOCK 0x04 + +int nand_lock( nand_info_t *meminfo, int tight ); +int nand_unlock( nand_info_t *meminfo, ulong start, ulong length ); +int nand_get_lock_status(nand_info_t *meminfo, ulong offset); + +#ifdef CFG_NAND_SELECT_DEVICE +void board_nand_select_device(struct nand_chip *nand, int chip); +#endif +  #endif |