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TuAFBogeyTuAFBogey
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board: add Nuvoton MA35D1 NuMaker IoT board support
Add support for Nuvoton MA35D1 SoC family: - ARM Cortex-A35 dual-core @ 800MHz + Cortex-M4 heterogeneous - NuMaker IoT MA35D16F90 board (512MB DDR) - Vendor kernel 5.10.140 from Nuvoton GitHub - TF-A (BL2/BL31) + OP-TEE (BL32) + U-Boot (BL33) boot chain - SD card boot support Vendor kernel modules (pending): Nuvoton provides closed-source Verisilicon licensed drivers: - dcultrafb.ko (DCUltra display controller) - ma35d1-vc8000.ko (H.264 video codec) - galcore.ko (GPU driver) These modules require exact kernel vermagic match: 5.10.140-vendor-nuvoton-ma35d1 SMP mod_unload aarch64 Nuvoton is preparing custom builds of these modules for Armbian. Signed-off-by: TuAFBogey <[email protected]>
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‎config/boards/numaker-iot-ma35d16f90.conf‎

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# Nuvoton MA35D16F90 dual-core Cortex-A35 + Cortex-M4, 512MB DDR
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BOARD_NAME="NuMaker IoT MA35D16F90"
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BOARD_VENDOR="nuvoton"
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BOARDFAMILY="nuvoton-ma35d1"
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BOARD_MAINTAINER=""
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# SD card boot (sdcard1 = SD1 slot on NuMaker IoT board)
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BOOTCONFIG="ma35d1_sdcard1_defconfig"
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KERNEL_TARGET="vendor"
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FULL_DESKTOP="no"
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BOOT_LOGO="no"
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BOOT_FDT_FILE="nuvoton/ma35d1-iot-512m.dtb"
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BOOT_SCENARIO="blobless"
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IMAGE_PARTITION_TABLE="msdos"
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DEFAULT_CONSOLE="serial"
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# Hardware features
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HAS_VIDEO_OUTPUT="yes"
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function post_family_tweaks__numaker_iot_ma35d16f90() {
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display_alert "$BOARD" "Applying NuMaker IoT MA35D16F90 tweaks" "info"
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# Serial console 115200 baud
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mkdir -p "$SDCARD/etc/systemd/system/[email protected]/"
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cat <<- EOF > "$SDCARD/etc/systemd/system/[email protected]/override.conf"
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[Service]
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ExecStart=
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ExecStart=-/sbin/agetty -o '-p -- \\u' 115200 ttyS0 linux
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EOF
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return 0
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}

‎config/bootenv/nuvoton-ma35d1.txt‎

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verbosity=7
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bootlogo=false
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console=serial
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fdtfile=nuvoton/ma35d1-iot-512m.dtb

‎config/bootscripts/boot-nuvoton-ma35d1.cmd‎

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# DO NOT EDIT THIS FILE
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#
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# Please edit /boot/armbianEnv.txt to set supported parameters
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#
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# Nuvoton MA35D1 boot script for Armbian
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setenv overlay_error "false"
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# default values
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setenv rootdev "LABEL=armbi_root"
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setenv verbosity "7"
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setenv console "serial"
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setenv bootlogo "false"
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setenv rootfstype "ext4"
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setenv docker_optimizations "on"
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setenv earlycon "off"
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# MA35D1 memory map - load addresses
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# Memory layout (avoiding overlaps):
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# 0x80000000 - Kernel (~15MB, ends ~0x80F00000)
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# 0x81000000 - Temp load address for env/overlays
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# 0x82000000 - Ramdisk (~20MB max, ends ~0x83400000)
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# 0x84000000 - DTB (~64KB)
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setenv load_addr "0x81000000"
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setenv kernel_addr_r "0x80000000"
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setenv ramdisk_addr_r "0x82000000"
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setenv fdt_addr_r "0x84000000"
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# Set default fdtfile if not set by U-Boot
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test -n "${fdtfile}" || setenv fdtfile "nuvoton/ma35d1-iot-512m.dtb"
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test -n "${distro_bootpart}" || setenv distro_bootpart 1
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echo "Boot script loaded from ${devtype} ${devnum}:${distro_bootpart}"
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# get PARTUUID of first partition on SD/eMMC the boot script was loaded from
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echo "Detecting PARTUUID for ${devtype} device ${devnum}:${distro_bootpart}..."
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setenv partuuid
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if test "${devtype}" = "mmc"; then
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part uuid ${devtype} ${devnum}:${distro_bootpart} partuuid
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fi
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# Use PARTUUID if available (more reliable), otherwise fall back to rootdev label
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if test -n "${partuuid}"; then
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setenv rootdev "PARTUUID=${partuuid}"
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fi
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# Load armbianEnv.txt if it exists
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echo "Attempting to load ${prefix}armbianEnv.txt from ${devtype} ${devnum}:${distro_bootpart} to ${load_addr}..."
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if load ${devtype} ${devnum}:${distro_bootpart} ${load_addr} ${prefix}armbianEnv.txt; then
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echo "Successfully loaded armbianEnv.txt (${filesize} bytes)"
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if env import -t ${load_addr} ${filesize}; then
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echo "Successfully imported environment from armbianEnv.txt"
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else
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echo "Warning: Failed to import environment from armbianEnv.txt"
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fi
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else
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echo "armbianEnv.txt not found or failed to load - using default environment"
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fi
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echo "Final rootdev: ${rootdev}"
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# Set console arguments
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setenv consoleargs ""
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if test "${console}" = "display" || test "${console}" = "both"; then
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setenv consoleargs "console=tty1 ${consoleargs}"
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fi
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if test "${console}" = "serial" || test "${console}" = "both"; then
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setenv consoleargs "console=ttyS0,115200n8 ${consoleargs}"
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fi
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if test "${earlycon}" = "on"; then
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setenv consoleargs "earlycon ${consoleargs}"
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fi
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if test "${bootlogo}" = "true"; then
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setenv consoleargs "splash plymouth.ignore-serial-consoles ${consoleargs}"
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else
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setenv consoleargs "splash=verbose ${consoleargs}"
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fi
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# MA35D1 specific: limit kernel memory if needed (for OP-TEE reserved memory)
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# OP-TEE reserves 0x8f800000-0x90000000 (8MB)
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setenv bootargs "root=${rootdev} rootwait rootfstype=${rootfstype} ${consoleargs} consoleblank=0 loglevel=${verbosity} ubootpart=${partuuid} ${extraargs} ${extraboardargs}"
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if test "${docker_optimizations}" = "on"; then
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setenv bootargs "${bootargs} cgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory"
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fi
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echo "Final bootargs: ${bootargs}"
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# Load kernel
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echo "Loading kernel image to ${kernel_addr_r}..."
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if load ${devtype} ${devnum}:${distro_bootpart} ${kernel_addr_r} ${prefix}Image; then
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echo "Kernel loaded successfully"
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else
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echo "ERROR: Failed to load kernel!"
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exit
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fi
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# Load initramfs
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echo "Loading initramfs to ${ramdisk_addr_r}..."
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if load ${devtype} ${devnum}:${distro_bootpart} ${ramdisk_addr_r} ${prefix}uInitrd; then
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setenv ramdisk_arg "${ramdisk_addr_r}:${filesize}"
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echo "Initramfs loaded successfully (${filesize} bytes)"
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else
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echo "Warning: Failed to load initramfs, booting without it"
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setenv ramdisk_arg "-"
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fi
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# Load device tree
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echo "Loading device tree ${fdtfile} to ${fdt_addr_r}..."
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if load ${devtype} ${devnum}:${distro_bootpart} ${fdt_addr_r} ${prefix}dtb/${fdtfile}; then
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echo "DTB loaded successfully"
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else
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echo "ERROR: Failed to load device tree!"
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exit
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fi
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# Setup FDT for overlays
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fdt addr ${fdt_addr_r}
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fdt resize 65536
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# Apply overlays if specified
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for overlay_file in ${overlays}; do
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if load ${devtype} ${devnum}:${distro_bootpart} ${load_addr} ${prefix}dtb/nuvoton/overlay/${overlay_file}.dtbo; then
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echo "Applying kernel provided DT overlay ${overlay_file}.dtbo"
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fdt apply ${load_addr} || setenv overlay_error "true"
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fi
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done
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for overlay_file in ${user_overlays}; do
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if load ${devtype} ${devnum}:${distro_bootpart} ${load_addr} ${prefix}overlay-user/${overlay_file}.dtbo; then
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echo "Applying user provided DT overlay ${overlay_file}.dtbo"
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fdt apply ${load_addr} || setenv overlay_error "true"
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fi
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done
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if test "${overlay_error}" = "true"; then
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echo "Error applying DT overlays, restoring original DT"
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load ${devtype} ${devnum}:${distro_bootpart} ${fdt_addr_r} ${prefix}dtb/${fdtfile}
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fi
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# Resize FDT to actual size
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fdt resize
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echo "Booting kernel..."
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echo " kernel: ${kernel_addr_r}"
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echo " initrd: ${ramdisk_arg}"
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echo " dtb: ${fdt_addr_r}"
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booti ${kernel_addr_r} ${ramdisk_arg} ${fdt_addr_r}
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# Recompile with:
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# mkimage -C none -A arm -T script -d /boot/boot.cmd /boot/boot.scr

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