# Architecture
BR2_riscv=y
BR2_RISCV_64=y
BR2_riscv_custom=y
BR2_RISCV_ISA_RVM=y
BR2_RISCV_ISA_RVA=y
BR2_RISCV_ISA_RVF=y
BR2_RISCV_ISA_RVD=y
BR2_RISCV_ISA_RVC=y
# BR2_RISCV_USE_MMU is not set
BR2_RISCV_ABI_LP64D=y

# Linux headers same as kernel, a 5.19 series
BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_19=y

# Binary format
BR2_BINFMT_FLAT=y
BR2_BINFMT_FLAT_ONE=y
# BR2_TARGET_ENABLE_ROOT_LOGIN is not set

# Kernel
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_VERSION=y
BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.19"
BR2_LINUX_KERNEL_DEFCONFIG="nommu_k210"
BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="board/sipeed/maixduino/linux-cpio.config"
BR2_LINUX_KERNEL_IMAGE_TARGET_CUSTOM=y
BR2_LINUX_KERNEL_IMAGE_NAME="loader.bin"

# Packages
BR2_PACKAGE_HOST_PYTHON_KFLASH=y
BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="board/canaan/k210-soc/busybox-tiny.config"
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set

# Filesystem
BR2_INIT_NONE=y
BR2_TARGET_ROOTFS_INITRAMFS=y
BR2_ROOTFS_OVERLAY="board/canaan/k210-soc/rootfs_overlay"