kumquat-buildroot/configs/imx7d-sdb_defconfig

# architecture
BR2_arm=y
BR2_cortex_a7=y
BR2_ARM_FPU_NEON_VFPV4=y

# Linux headers same as kernel, a 5.13 series
BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_13=y

# system
BR2_TARGET_GENERIC_GETTY_PORT="ttymxc0"

# Kernel
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_VERSION=y
BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.13"
BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7"
BR2_LINUX_KERNEL_DTS_SUPPORT=y
BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx7d-sdb"
BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
BR2_LINUX_KERNEL_INSTALL_TARGET=y

# U-Boot
BR2_TARGET_UBOOT=y
BR2_TARGET_UBOOT_BOARDNAME="mx7dsabresd"
BR2_TARGET_UBOOT_CUSTOM_VERSION=y
BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2021.07"
BR2_TARGET_UBOOT_FORMAT_DTB_IMX=y

# Filesystem
BR2_ROOTFS_OVERLAY="board/freescale/imx7dsdb/rootfs_overlay"
BR2_ROOTFS_POST_IMAGE_SCRIPT="board/freescale/common/imx/post-image.sh"
BR2_TARGET_ROOTFS_EXT2=y
BR2_TARGET_ROOTFS_EXT2_4=y

# required tools to create the eMMC image
BR2_PACKAGE_HOST_DOSFSTOOLS=y
BR2_PACKAGE_HOST_GENIMAGE=y
BR2_PACKAGE_HOST_MTOOLS=y