add onfi_get_async_timing_mode() to get the supportted asynchronous
timing mode.
add onfi_get_sync_timing_mode() to get the supportted synchronous
timing mode.
Also add the neccessary macros : the timing modes.
Signed-off-by: Huang Shijie <b32...@freescale.com>
---
include/linux/mtd/nand.h | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 641794c..83b85a1 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -231,6 +231,14 @@ typedef enum {
/* Keep gcc happy */
struct nand_chip;
+/* ONFI timing mode, used in both asynchronous and synchronous mode */
+#define ONFI_TIMING_MODE_0 (1 << 0)
+#define ONFI_TIMING_MODE_1 (1 << 1)
+#define ONFI_TIMING_MODE_2 (1 << 2)
+#define ONFI_TIMING_MODE_3 (1 << 3)
+#define ONFI_TIMING_MODE_4 (1 << 4)
+#define ONFI_TIMING_MODE_5 (1 << 5)
+
/* ONFI feature address */
#define ONFI_FEATURE_ADDR_TIMING_MODE 0x1
@@ -682,4 +690,16 @@ struct platform_nand_chip *get_platform_nandchip(struct
mtd_info *mtd)
return chip->priv;
}
+/* return the supported asynchronous timing mode. */
+static inline int onfi_get_async_timing_mode(struct nand_chip *chip)
+{
+ return le16_to_cpu(chip->onfi_params.async_timing_mode);
+}
+
+/* return the supported synchronous timing mode. */
+static inline int onfi_get_sync_timing_mode(struct nand_chip *chip)
+{
+ return le16_to_cpu(chip->onfi_params.src_sync_timing_mode);
+}
+
#endif /* __LINUX_MTD_NAND_H */
--
1.7.0.4
--
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