# architecture
BR2_arm=y
BR2_cortex_a9=y
+BR2_ARM_ENABLE_NEON=y
+BR2_ARM_ENABLE_VFP=y
+BR2_ARM_FPU_VFPV3=y
# system
BR2_TARGET_GENERIC_GETTY=y
BR2_TARGET_GENERIC_GETTY_PORT="ttymxc0"
-BR2_ROOTFS_POST_BUILD_SCRIPT="board/boundarydevices/nitrogen6x/post-build.sh"
-BR2_ROOTFS_POST_IMAGE_SCRIPT="board/boundarydevices/nitrogen6x/post-image.sh"
+BR2_ROOTFS_POST_BUILD_SCRIPT="board/boundarydevices/common/post-build.sh"
+BR2_ROOTFS_POST_IMAGE_SCRIPT="board/boundarydevices/common/post-image.sh"
BR2_PACKAGE_HOST_GENIMAGE=y
BR2_PACKAGE_HOST_UBOOT_TOOLS=y
BR2_TARGET_ROOTFS_EXT2=y
BR2_TARGET_ROOTFS_EXT2_4=y
-# Lock headers to match kernel
-BR2_KERNEL_HEADERS_VERSION=y
-BR2_DEFAULT_KERNEL_VERSION="3.14.28"
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_14=y
+# Linux headers same as kernel, a 6.1 series
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_1=y
# bootloader
BR2_TARGET_UBOOT=y
-BR2_TARGET_UBOOT_BOARDNAME="nitrogen6sx"
-BR2_TARGET_UBOOT_FORMAT_IMX=y
+BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y
BR2_TARGET_UBOOT_CUSTOM_TARBALL=y
-# Last version of branch boundary-v2015.07
-BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="http://github.com/boundarydevices/u-boot-imx6/tarball/a4070a8/u-boot-a4070a8.tar.gz"
+# Latest revision of branch boundary-v2022.04
+BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/u-boot/archive/7e7eff74.tar.gz"
+BR2_TARGET_UBOOT_BOARD_DEFCONFIG="nitrogen6sx"
+BR2_TARGET_UBOOT_FORMAT_IMX=y
+BR2_TARGET_UBOOT_NEEDS_OPENSSL=y
+BR2_PACKAGE_HOST_UBOOT_TOOLS=y
+BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
+BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="board/boundarydevices/common/boot.cmd"
# kernel
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-# Last version of branch boundary-imx_3.14.28_1.0.0_ga
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux-imx6/tarball/f4c8395/linux-imx6-f4c8395.tar.gz"
+# Latest revision of branch boundary-imx_6.1.y
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/boundarydevices/linux/archive/4470b050.tar.gz"
BR2_LINUX_KERNEL_DEFCONFIG="boundary"
-BR2_LINUX_KERNEL_ZIMAGE=y
BR2_LINUX_KERNEL_INSTALL_TARGET=y
BR2_LINUX_KERNEL_DTS_SUPPORT=y
-BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6sx-nitrogen6sx"
+BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6sx-nitrogen6sx imx6sx-nitrogen6sx-m4"
+BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y