MT7620 Build File

mt7620.sh

export BUILDDIR="${BUILDDIR:-$(pwd)}"
export SRCDIR="${SRCDIR:-/usr/src}"
export MAKEOBJDIRPREFIX="${MAKEOBJDIRPREFIX:-${BUILDDIR}/obj}"
export DESTDIR="${DESTDIR:-${BUILDDIR}/dest}"
export KERNCONF="${KERNCONF:-MT7620}"
export ARCH="${ARCH:-mips}"
export TARGET_ARCH="${TARGET_ARCH:-mipsel}"
export MAKEFLAGS="${MAKEFLAGS:-}"

# make kernel-toolchain

# MT7620 # printenv
# bootcmd=tftp
# bootdelay=5
# baudrate=57600
# ethaddr="00:AA:BB:CC:DD:10"
# autostart=no
# filesize=5676d8
# fileaddr=80010000
# ipaddr=10.0.1.200
# serverip=10.0.1.135
# stdin=serial
# stdout=serial
# stderr=serial
# bootfile=kernel.bin.uboot

# mkimage -A mips -O linux -T kernel -C lzma -a 0x80010120 -e 0x80010120 -n FreeBSD -d kernel.oldlzma kernel.oldlzma.uboot


set -e 

buildworld() {
    (
        cd ${SRCDIR}
        make -j$(sysctl -n hw.ncpu) "${MAKEFLAGS}" buildworld ARCH="${ARCH}" TARGET_ARCH="${TARGET_ARCH}"
    )
}

buildkernel() {
    (
        cd ${SRCDIR}
        make -j$(sysctl -n hw.ncpu) "${MAKEFLAGS}" buildkernel ARCH="${ARCH}" TARGET_ARCH="${TARGET_ARCH}" KERNCONF="${KERNCONF}"
    )
}

buildimage() {
    (
        cd "${MAKEOBJDIRPREFIX}/${ARCH}.${TARGET_ARCH}/usr/src/sys/${KERNCONF}"
        readelf -h kernel | grep 'Entry point address:'

        "${MAKEOBJDIRPREFIX}/${ARCH}.${TARGET_ARCH}/usr/src/tmp/usr/bin/objcopy" -O binary kernel kernel.bin

        mkimage -A mips -O linux -T kernel -C none -a 0x80010100 -e 0x80010100 -n FreeBSD -d kernel.bin kernel.bin.uboot

        cp kernel.bin.uboot /tftpboot
    )
}

buildcompressedimage() {
    (
        cd "${MAKEOBJDIRPREFIX}/${ARCH}.${TARGET_ARCH}/usr/src/sys/${KERNCONF}"

        gzip -cf kernel.bin > kernel.bin.gz
        lzma -cf kernel.bin > kernel.bin.lzma
        oldlzma -cf kernel.bin > kernel.bin.oldlzma

        mkimage -A mips -O linux -T kernel -C gzip -a 0x80010100 -e 0x80010100 -n FreeBSD -d kernel.bin.gz kernel.gz.uboot
        mkimage -A mips -O linux -T kernel -C lzma -a 0x80010100 -e 0x80010100 -n FreeBSD -d kernel.bin.lzma kernel.lzma.uboot
        mkimage -A mips -O linux -T kernel -C lzma -a 0x80010100 -e 0x80010100 -n FreeBSD -d kernel.bin.oldlzma kernel.oldlzma.uboot

        cp kernel.gz.uboot /tftpboot
        cp kernel.lzma.uboot /tftpboot
        cp kernel.oldlzma.uboot /tftpboot
    )
}

buildtestimage() {
    dd if=/dev/urandom of=test.bin bs=1k count=1
    gzip -cf test.bin > test.bin.gz
    lzma -cf test.bin > test.bin.lzma
    oldlzma -cf test.bin > test.bin.oldlzma
    mkimage -A mips -O linux -T kernel -C none -a 0x80010100 -e 0x80010100 -n FreeBSD -d test.bin test.bin.uboot
    mkimage -A mips -O linux -T kernel -C gzip -a 0x80010100 -e 0x80010100 -n FreeBSD -d test.bin.gz test.gz.uboot
    mkimage -A mips -O linux -T kernel -C lzma -a 0x80010100 -e 0x80010100 -n FreeBSD -d test.bin.lzma test.lzma.uboot
    mkimage -A mips -O linux -T kernel -C lzma -a 0x80010100 -e 0x80010100 -n FreeBSD -d test.bin.oldlzma test.oldlzma.uboot
    cp test.*.uboot /tftpboot
    rm -f test.* test.*.uboot 
}

install() {
    (
        cd "${SRCDIR}"
        sudo -E make -j$(sysctl -n  hw.ncpu) installworld TARGET_ARCH="${TARGET_ARCH}" DESTDIR="${DESTDIR}"
        sudo -E make -j$(sysctl -n  hw.ncpu) distribution TARGET_ARCH="${TARGET_ARCH}" DESTDIR="${DESTDIR}"
        sudo -E make -j$(sysctl -n  hw.ncpu) installkernel TARGET_ARCH="${TARGET_ARCH}" KERNCONF="${KERNCONF}" DESTDIR="${DESTDIR}"
    )
}

targets() {
    echo
    echo -n "Usage: $0 " 
    sed -ne '/targets/d' -e 's/\(^[a-zA-Z][^(]*\)().*/\1/p' $0 | tr '\n' '|' | sed -e 's/.$//'
    echo
    echo
    echo "    CC=${CC}"
    echo "    BUILDDIR=${BUILDDIR}"
    echo "    SRCDIR=${SRCDIR}"
    echo "    MAKEOBJDIRPREFIX=${MAKEOBJDIRPREFIX}"
    echo "    DESTDIR=${DESTDIR}"
    echo "    KERNCONF=${KERNCONF}"
    echo "    TARGET_ARCH=${TARGET_ARCH}"
    echo "    MAKEFLAGS=${MAKEFLAGS}"
    echo
}

if [ -z "$1" ] 
then
    targets
else
    $1
fi

can you share KERNCONF and .dts ?