1 files changed, 41 insertions, 1 deletions

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 7d17cecad69d..31bb7e5b504a 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -115,6 +115,46 @@ config MTD_NAND_OMAP2
           Support for NAND flash on Texas Instruments OMAP2, OMAP3 and OMAP4
           platforms.
 
+config MTD_NAND_OMAP_BCH
+        depends on MTD_NAND && MTD_NAND_OMAP2 && ARCH_OMAP3
+        bool "Enable support for hardware BCH error correction"
+        default n
+        select BCH
+        select BCH_CONST_PARAMS
+        help
+         Support for hardware BCH error correction.
+
+choice
+        prompt "BCH error correction capability"
+        depends on MTD_NAND_OMAP_BCH
+
+config MTD_NAND_OMAP_BCH8
+        bool "8 bits / 512 bytes (recommended)"
+        help
+         Support correcting up to 8 bitflips per 512-byte block.
+         This will use 13 bytes of spare area per 512 bytes of page data.
+         This is the recommended mode, as 4-bit mode does not work
+         on some OMAP3 revisions, due to a hardware bug.
+
+config MTD_NAND_OMAP_BCH4
+        bool "4 bits / 512 bytes"
+        help
+         Support correcting up to 4 bitflips per 512-byte block.
+         This will use 7 bytes of spare area per 512 bytes of page data.
+         Note that this mode does not work on some OMAP3 revisions, due to a
+         hardware bug. Please check your OMAP datasheet before selecting this
+         mode.
+
+endchoice
+
+if MTD_NAND_OMAP_BCH
+config BCH_CONST_M
+        default 13
+config BCH_CONST_T
+        default 4 if MTD_NAND_OMAP_BCH4
+        default 8 if MTD_NAND_OMAP_BCH8
+endif
+
 config MTD_NAND_IDS
         tristate
 
@@ -440,7 +480,7 @@ config MTD_NAND_NANDSIM
 
 config MTD_NAND_GPMI_NAND
         bool "GPMI NAND Flash Controller driver"
-        depends on MTD_NAND && (SOC_IMX23 || SOC_IMX28)
+        depends on MTD_NAND && (SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q)
         help
          Enables NAND Flash support for IMX23 or IMX28.
          The GPMI controller is very powerful, with the help of BCH