diff --git a/configs/imx8mp_rsb3720a1_6G_defconfig b/configs/imx8mp_rsb3720a1_6G_defconfig
new file mode 100644
index 0000000..d7e2855
--- /dev/null
+++ b/configs/imx8mp_rsb3720a1_6G_defconfig
@@ -0,0 +1,168 @@
+CONFIG_ARM=y
+CONFIG_SPL_SYS_ICACHE_OFF=y
+CONFIG_SPL_SYS_DCACHE_OFF=y
+CONFIG_ARCH_IMX8M=y
+CONFIG_SYS_TEXT_BASE=0x40200000
+CONFIG_SYS_LOAD_ADDR=0x40480000
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SYS_MALLOC_F_LEN=0x10000
+CONFIG_NR_DRAM_BANKS=3
+CONFIG_ENV_SIZE=0x2000
+CONFIG_ENV_OFFSET=0x400000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_SYS_I2C_MXC_I2C1=y
+CONFIG_SYS_I2C_MXC_I2C2=y
+CONFIG_SYS_I2C_MXC_I2C3=y
+CONFIG_SYS_I2C_MXC_I2C4=y
+CONFIG_DM_GPIO=y
+CONFIG_SPL_TEXT_BASE=0x920000
+CONFIG_TARGET_IMX8MP_RSB3720A1_6G=y
+CONFIG_SPL_MMC=y
+CONFIG_SPL_SERIAL=y
+CONFIG_SPL_DRIVERS_MISC=y
+CONFIG_SPL=y
+CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x48000000
+CONFIG_DEFAULT_DEVICE_TREE="imx8mp-rsb3720-a1"
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_FIT=y
+CONFIG_FIT_EXTERNAL_OFFSET=0x3000
+CONFIG_FIT_SIGNATURE=y
+CONFIG_SPL_LOAD_FIT=y
+# CONFIG_USE_SPL_FIT_GENERATOR is not set
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_OF_SYSTEM_SETUP=y
+CONFIG_IMX_CONFIG="board/advantech/imx8mp_rsb3720a1/imximage-8mp-lpddr4.cfg"
+CONFIG_DEFAULT_FDT_FILE="imx8mp-rsb3720-a1.dtb"
+CONFIG_ARCH_MISC_INIT=y
+CONFIG_BOARD_EARLY_INIT_F=y
+CONFIG_BOARD_LATE_INIT=y
+CONFIG_SPL_BOARD_INIT=y
+CONFIG_SPL_BOOTROM_SUPPORT=y
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_SYS_PROMPT="u-boot=> "
+CONFIG_CMD_BOOTEFI_SELFTEST=y
+CONFIG_CMD_ERASEENV=y
+CONFIG_CMD_NVEDIT_EFI=y
+CONFIG_CMD_EEPROM=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_SHA1SUM=y
+CONFIG_CMD_BIND=y
+CONFIG_CMD_CLK=y
+CONFIG_CMD_DFU=y
+CONFIG_CMD_FUSE=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_READ=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_BMP=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EFIDEBUG=y
+CONFIG_CMD_RTC=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_GETTIME=y
+CONFIG_CMD_TIMER=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_SYS_MMC_ENV_DEV=2
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x300
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SPL_DM=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_CLK_COMPOSITE_CCF=y
+CONFIG_CLK_IMX8MP=y
+CONFIG_DFU_TFTP=y
+CONFIG_DFU_MMC=y
+CONFIG_DFU_RAM=y
+CONFIG_DFU_SF=y
+CONFIG_UDP_FUNCTION_FASTBOOT=y
+CONFIG_FASTBOOT_BUF_ADDR=0x42800000
+CONFIG_FASTBOOT_BUF_SIZE=0x5000000
+CONFIG_FASTBOOT_FLASH=y
+CONFIG_FASTBOOT_UUU_SUPPORT=y
+CONFIG_FASTBOOT_FLASH_MMC_DEV=2
+CONFIG_MXC_GPIO=y
+CONFIG_DM_PCA953X=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_MXC=y
+CONFIG_LED=y
+CONFIG_LED_GPIO=y
+CONFIG_SUPPORT_EMMC_RPMB=y
+CONFIG_SUPPORT_EMMC_BOOT=y
+CONFIG_MMC_IO_VOLTAGE=y
+CONFIG_MMC_UHS_SUPPORT=y
+CONFIG_MMC_HS400_ES_SUPPORT=y
+CONFIG_MMC_HS400_SUPPORT=y
+CONFIG_FSL_ESDHC_IMX=y
+CONFIG_FSL_USDHC=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SF_DEFAULT_MODE=0
+CONFIG_SF_DEFAULT_SPEED=40000000
+CONFIG_SPI_FLASH_BAR=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DM_ETH_PHY=y
+CONFIG_DM_ETH=y
+CONFIG_PHY_GIGE=y
+CONFIG_DWC_ETH_QOS=y
+CONFIG_DWC_ETH_QOS_IMX=y
+CONFIG_FEC_MXC=y
+CONFIG_MII=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_IMX8M=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_S35392A=y
+CONFIG_MXC_UART=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_SYSRESET=y
+CONFIG_SYSRESET_PSCI=y
+CONFIG_DM_THERMAL=y
+CONFIG_SDP_LOADADDR=0x40480000
+CONFIG_DM_VIDEO=y
+CONFIG_SYS_WHITE_ON_BLACK=y
+CONFIG_SHA512_ALGO=y
+CONFIG_SHA512=y
+CONFIG_SHA384=y
+CONFIG_LZO=y
+CONFIG_BZIP2=y
+CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_EFI_SET_TIME=y
+CONFIG_EFI_RUNTIME_UPDATE_CAPSULE=y
+CONFIG_EFI_CAPSULE_ON_DISK=y
+CONFIG_EFI_CAPSULE_FIRMWARE_FIT=y
+CONFIG_EFI_SECURE_BOOT=y
+CONFIG_SYS_MALLOC_LEN=0x2000000
+CONFIG_SPL_GPIO=y
+CONFIG_SPL_POWER_I2C=y
+CONFIG_SPL_DM_I2C=y
+CONFIG_SPL_DM_PMIC=y
+CONFIG_SPL_DM_PMIC_PCA9450=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_PCA9450=y
+CONFIG_SPL_DM_REGULATOR=y
+CONFIG_SPL_DM_REGULATOR_FIXED=y
+CONFIG_SPL_DM_REGULATOR_GPIO=y
+CONFIG_SPL_POWER=y
+CONFIG_SPL_I2C=y
+CONFIG_IMX_WATCHDOG=y
+CONFIG_SYSRESET_WATCHDOG=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_WATCHDOG=y
+CONFIG_SPL_SYSRESET=y