diff options
| author | Roman Tereshonkov <roman.tereshonkov@nokia.com> | 2010-11-03 13:55:19 +0300 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-12-03 19:27:54 +0300 |
| commit | 3e3198f1adda8e0fbd499bde806781237d6c841f (patch) | |
| tree | 7c27431e40114b1ed1566b81a184524ef589a65a | |
| parent | 7ddbead6e6d3c730570a215ab9a6b1d126c54d34 (diff) | |
| download | linux-3e3198f1adda8e0fbd499bde806781237d6c841f.tar.xz | |
mtd: onenand: add option and variable for cache program feature
A new option is added for cache program feature. A new variable
ongoing is introduced for onenand_chip to handle the multi-command
cache program operation.
Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | include/linux/mtd/onenand.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index 0c8815bfae1c..6da3fe314828 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -137,6 +137,14 @@ struct onenand_chip { void *bbm; void *priv; + + /* + * Shows that the current operation is composed + * of sequence of commands. For example, cache program. + * Such command status OnGo bit is checked at the end of + * sequence. + */ + unsigned int ongoing; }; /* @@ -171,6 +179,9 @@ struct onenand_chip { #define ONENAND_IS_2PLANE(this) (0) #endif +#define ONENAND_IS_CACHE_PROGRAM(this) \ + (this->options & ONENAND_HAS_CACHE_PROGRAM) + /* Check byte access in OneNAND */ #define ONENAND_CHECK_BYTE_ACCESS(addr) (addr & 0x1) @@ -181,6 +192,7 @@ struct onenand_chip { #define ONENAND_HAS_UNLOCK_ALL (0x0002) #define ONENAND_HAS_2PLANE (0x0004) #define ONENAND_HAS_4KB_PAGE (0x0008) +#define ONENAND_HAS_CACHE_PROGRAM (0x0010) #define ONENAND_SKIP_UNLOCK_CHECK (0x0100) #define ONENAND_PAGEBUF_ALLOC (0x1000) #define ONENAND_OOBBUF_ALLOC (0x2000) |