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authorRoman Tereshonkov <roman.tereshonkov@nokia.com>2010-11-03 12:55:19 +0200
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-12-03 16:27:54 +0000
commit3e3198f1adda8e0fbd499bde806781237d6c841f (patch)
tree7c27431e40114b1ed1566b81a184524ef589a65a /include/linux/mtd
parent7ddbead6e6d3c730570a215ab9a6b1d126c54d34 (diff)
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>
Diffstat (limited to 'include/linux/mtd')
-rw-r--r--include/linux/mtd/onenand.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 0c8815bfae1..6da3fe31482 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)