diff --git a/board/out4/o4-imx6ull-nano/Kconfig b/board/out4/o4-imx6ull-nano/Kconfig
new file mode 100644
index 0000000..c2497d5
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+++ b/board/out4/o4-imx6ull-nano/Kconfig
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+if TARGET_O4_IMX6ULL_NANO
+
+config SYS_BOARD
+	default "o4-imx6ull-nano"
+
+config SYS_VENDOR
+	default "out4"
+
+config SYS_CONFIG_NAME
+	default "o4-imx6ull-nano"
+
+choice
+	prompt "Memory model"
+	default K4B4G1646D_BCMA
+	help
+	    Memory type setup.
+
+	    Please choose correct memory model here.
+
+config K4B4G1646D_BCMA
+	bool "K4B4G1646D-BCMA 256Mx16 (512 MiB/chip)"
+	help
+	    Samsung DDR3 SDRAM
+	    K4B4G1646D-BCMA
+
+config MT41K256M16HA_125E
+	bool "MT41K256M16HA-125:E 256Mx16 (512 MiB/chip)"
+	help
+	    Micron DDR3L SDRAM
+	    MT41K256M16HA-125:E
+
+endchoice
+
+choice
+	prompt "Mainboard model"
+	default O4_IMX_NANO
+	help
+	    Mainboard setup.
+
+	    Please choose correct main board model here.
+
+config O4_IMX_NANO
+	bool "O4-iMX-NANO"
+	help
+	    A baseboard for EV-iMX280-NANO module:
+	    https://out4.ru/products/board/18-o4-imx-nano.html
+
+endchoice
+
+config IMX_CONFIG
+	default "board/out4/o4-imx6ull-nano/K4B4G1646D-BCMA.cfg" if K4B4G1646D_BCMA
+	default "board/out4/o4-imx6ull-nano/MT41K256M16HA-125E.cfg" if MT41K256M16HA_125E
+
+config DEFAULT_DEVICE_TREE
+	default "o4-imx-nano" if O4_IMX_NANO
+
+endif