# architecture
BR2_mipsel=y
-BR2_mips_32r2=y
+BR2_mips_xburst=y
# BR2_MIPS_SOFT_FLOAT is not set
+BR2_KERNEL_HEADERS_AS_KERNEL=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_4=y
# system
-BR2_KERNEL_HEADERS_VERSION=y
-BR2_DEFAULT_KERNEL_VERSION="3.0.8"
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_0=y
BR2_TARGET_GENERIC_GETTY_PORT="ttyS4"
+BR2_TARGET_ROOTFS_EXT2=y
+BR2_TARGET_ROOTFS_EXT2_4=y
+BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="-c board/ci20/genimage.cfg"
# kernel
BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_CUSTOM_GIT=y
-BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/MIPS/CI20_linux.git"
-BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="ba11adc7ac8792b0eb7415a1cc9c0968604a6fac"
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="5.4.58"
BR2_LINUX_KERNEL_DEFCONFIG="ci20"
+BR2_LINUX_KERNEL_INSTALL_TARGET=y
+
+# u-boot
+BR2_TARGET_UBOOT=y
+BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION=y
+BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2020.07"
+BR2_TARGET_UBOOT_BOARD_DEFCONFIG="ci20_mmc"
+BR2_TARGET_UBOOT_FORMAT_IMG=y
+BR2_TARGET_UBOOT_SPL=y
+BR2_TARGET_UBOOT_SPL_NAME="spl/u-boot-spl.bin"
+BR2_TARGET_UBOOT_ENVIMAGE=y
+BR2_TARGET_UBOOT_ENVIMAGE_SOURCE="board/ci20/uboot-env.txt"
+BR2_TARGET_UBOOT_ENVIMAGE_SIZE="32768"
+
+# host
+BR2_PACKAGE_HOST_GENIMAGE=y