--- /dev/null
+--- a/drivers/mtd/nand/Kconfig
++++ b/drivers/mtd/nand/Kconfig
+@@ -569,4 +569,8 @@ config MTD_NAND_MTK
+ Enables support for NAND controller on MTK SoCs.
+ This controller is found on mt27xx, mt81xx, mt65xx SoCs.
+
++config MTD_NAND_RB4XX
++ tristate "NAND flash driver for RouterBoard 4xx series"
++ depends on MTD_NAND && ATH79_MACH_RB4XX
++
+ endif # MTD_NAND
+--- a/drivers/mtd/nand/Makefile
++++ b/drivers/mtd/nand/Makefile
+@@ -33,6 +33,7 @@ obj-$(CONFIG_MTD_NAND_CM_X270) += cmx27
+ obj-$(CONFIG_MTD_NAND_PXA3xx) += pxa3xx_nand.o
+ obj-$(CONFIG_MTD_NAND_TMIO) += tmio_nand.o
+ obj-$(CONFIG_MTD_NAND_PLATFORM) += plat_nand.o
++obj-$(CONFIG_MTD_NAND_RB4XX) += rb4xx_nand.o
+ obj-$(CONFIG_MTD_NAND_PASEMI) += pasemi_nand.o
+ obj-$(CONFIG_MTD_NAND_ORION) += orion_nand.o
+ obj-$(CONFIG_MTD_NAND_FSL_ELBC) += fsl_elbc_nand.o