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author | Stefan Roese <sr@denx.de> | 2006-10-10 12:36:02 +0200 |
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committer | Stefan Roese <sr@denx.de> | 2006-10-10 12:38:50 +0200 |
commit | 2255b2d2044d434463eb2661e18018e50f1643d9 (patch) | |
tree | 68cddf330cb3d40c29e0e3c01a5c0f85b706f82f /include | |
parent | a3bb7bfc06a9ccb7e2f91ccc54a90ae69177214f (diff) | |
download | u-boot-imx-2255b2d2044d434463eb2661e18018e50f1643d9.zip u-boot-imx-2255b2d2044d434463eb2661e18018e50f1643d9.tar.gz u-boot-imx-2255b2d2044d434463eb2661e18018e50f1643d9.tar.bz2 |
* Several improvements to the new NAND subsystem:
- JFFS2 related commands implemented in mtd-utils style
- Support for bad blocks
- Bad block testing commands
- NAND lock commands
Please take a look at doc/README.nand for more details
Patch by Guido Classen, 10 Oct 2006
Diffstat (limited to 'include')
-rw-r--r-- | include/nand.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/include/nand.h b/include/nand.h index 905115b..5c7311f 100644 --- a/include/nand.h +++ b/include/nand.h @@ -60,4 +60,61 @@ 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); + #endif |