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-rw-r--r--drivers/mtd/nand/gpmi-nand/gpmi-nand.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
index 3d93a5e39090..072947731277 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.h
@@ -284,6 +284,10 @@ extern int gpmi_read_page(struct gpmi_nand_data *,
#define STATUS_ERASED 0xff
#define STATUS_UNCORRECTABLE 0xfe
+/* BCH's bit correction capability. */
+#define MXS_ECC_STRENGTH_MAX 20 /* mx23 and mx28 */
+#define MX6_ECC_STRENGTH_MAX 40
+
/* Use the platform_id to distinguish different Archs. */
#define IS_MX23 0x0
#define IS_MX28 0x1