Repacking the beaglebone kernel
This commit is contained in:
Bob Mottram
parent
a73b4a02ab
commit
e02268012b
|
|
@ -38,35 +38,125 @@ enable_serial_console() {
|
||||||
echo "T0:12345:respawn:/sbin/getty -L $device 115200 vt100" >> /etc/inittab
|
echo "T0:12345:respawn:/sbin/getty -L $device 115200 vt100" >> /etc/inittab
|
||||||
}
|
}
|
||||||
|
|
||||||
setup_flash_kernel() {
|
beaglebone_setup_boot() {
|
||||||
if [ ! -d /etc/flash-kernel ] ; then
|
bbb_version=$1
|
||||||
mkdir /etc/flash-kernel
|
|
||||||
fi
|
|
||||||
echo -n "$1" > /etc/flash-kernel/machine
|
|
||||||
|
|
||||||
command_line=""
|
# Setup uEnv.txt
|
||||||
if [ -n "$2" ] ; then
|
if grep -q btrfs /etc/fstab ; then
|
||||||
command_line="console=$2"
|
fstype=btrfs
|
||||||
|
else
|
||||||
|
fstype=ext4
|
||||||
fi
|
fi
|
||||||
|
if [ ! $bbb_version ]; then
|
||||||
if [ -n "$command_line" ] ; then
|
kernelVersion=$(ls /usr/lib/*/am335x-boneblack.dtb | head -1 | cut -d/ -f4)
|
||||||
echo flash-kernel flash-kernel/linux_cmdline string "$command_line" | debconf-set-selections
|
else
|
||||||
|
kernelVersion=$(ls /usr/lib/*/am335x-boneblack-${1}.dtb | head -1 | cut -d/ -f4)
|
||||||
fi
|
fi
|
||||||
|
version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
|
||||||
|
initRd=initrd.img-$version
|
||||||
|
vmlinuz=vmlinuz-$version
|
||||||
|
|
||||||
apt-get -yq install flash-kernel
|
bbb_loadaddr='0x82000000'
|
||||||
|
bbb_initrd_addr='0x88080000'
|
||||||
|
bbb_fdtaddr='0x88000000'
|
||||||
|
|
||||||
|
# uEnv.txt for Beaglebone
|
||||||
|
# based on https://github.com/beagleboard/image-builder/blob/master/target/boot/beagleboard.org.txt
|
||||||
|
cat >> /boot/uEnv.txt <<EOF
|
||||||
|
mmcroot=/dev/mmcblk0p2 ro
|
||||||
|
mmcrootfstype=$fstype rootwait fixrtc
|
||||||
|
mmcrootflags=subvol=@
|
||||||
|
|
||||||
|
console=ttyO0,115200n8
|
||||||
|
|
||||||
|
kernel_file=$vmlinuz
|
||||||
|
initrd_file=$initRd
|
||||||
|
|
||||||
|
loadaddr=$bbb_loadaddr
|
||||||
|
initrd_addr=$bbb_initrd_addr
|
||||||
|
fdtaddr=$bbb_fdtaddr
|
||||||
|
|
||||||
|
initrd_high=0xffffffff
|
||||||
|
fdt_high=0xffffffff
|
||||||
|
|
||||||
|
loadkernel=load mmc \${mmcdev}:\${mmcpart} \${loadaddr} \${kernel_file}
|
||||||
|
loadinitrd=load mmc \${mmcdev}:\${mmcpart} \${initrd_addr} \${initrd_file}; setenv initrd_size \${filesize}
|
||||||
|
loadfdt=load mmc \${mmcdev}:\${mmcpart} \${fdtaddr} /dtbs/\${fdtfile}
|
||||||
|
|
||||||
|
loadfiles=run loadkernel; run loadinitrd; run loadfdt
|
||||||
|
mmcargs=setenv bootargs console=tty0 console=\${console} root=\${mmcroot} rootfstype=\${mmcrootfstype} rootflags=\${mmcrootflags}
|
||||||
|
|
||||||
|
uenvcmd=run loadfiles; run mmcargs; bootz \${loadaddr} \${initrd_addr}:\${initrd_size} \${fdtaddr}
|
||||||
|
EOF
|
||||||
|
|
||||||
|
mkdir -p /boot/dtbs
|
||||||
|
cp /usr/lib/linux-image-*-armmp/* /boot/dtbs
|
||||||
}
|
}
|
||||||
|
|
||||||
a20_env() {
|
beaglebone_flash() {
|
||||||
|
# allow flash-kernel to work without valid /proc contents
|
||||||
|
# ** this doesn't *really* work, since there are too many checks
|
||||||
|
# that fail in an emulated environment! We'll have to do it by
|
||||||
|
# hand below anyway...
|
||||||
|
export FK_MACHINE="TI AM335x BeagleBone"
|
||||||
|
apt-get install -y flash-kernel
|
||||||
|
}
|
||||||
|
|
||||||
|
beaglebone_repack_kernel() {
|
||||||
|
bbb_version=$1
|
||||||
|
# process installed kernel to create uImage, uInitrd, dtb
|
||||||
|
# using flash-kernel would be a good approach, except it fails in the
|
||||||
|
# cross build environment due to too many environment checks...
|
||||||
|
#FK_MACHINE="TI AM335x BeagleBone" flash-kernel
|
||||||
|
# so, let's do it manually...
|
||||||
|
|
||||||
|
# flash-kernel's hook-functions provided to mkinitramfs have the
|
||||||
|
# unfortunate side-effect of creating /conf/param.conf in the initrd
|
||||||
|
# when run from our emulated chroot environment, which means our root=
|
||||||
|
# on the kernel command line is completely ignored! repack the initrd
|
||||||
|
# to remove this evil...
|
||||||
|
|
||||||
|
echo "info: repacking beaglebone kernel and initrd"
|
||||||
|
|
||||||
|
bbb_dtb='am335x-boneblack'
|
||||||
|
if [ $bbb_version ]; then
|
||||||
|
bbb_dtb="am335x-boneblack-${bbb_version}"
|
||||||
|
fi
|
||||||
|
|
||||||
|
kernelVersion=$(ls /usr/lib/*/${bbb_dtb}.dtb | head -1 | cut -d/ -f4)
|
||||||
|
version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
|
||||||
|
initRd=initrd.img-$version
|
||||||
|
vmlinuz=vmlinuz-$version
|
||||||
|
|
||||||
|
mkdir /tmp/initrd-repack
|
||||||
|
|
||||||
|
(cd /tmp/initrd-repack ; \
|
||||||
|
zcat /boot/$initRd | cpio -i ; \
|
||||||
|
rm -f conf/param.conf ; \
|
||||||
|
find . | cpio --quiet -o -H newc | \
|
||||||
|
gzip -9 > /boot/$initRd )
|
||||||
|
|
||||||
|
rm -rf /tmp/initrd-repack
|
||||||
|
|
||||||
|
(cd /boot ; \
|
||||||
|
cp /usr/lib/$kernelVersion/${bbb_dtb}.dtb dtb ; \
|
||||||
|
cat $vmlinuz dtb >> temp-kernel ; \
|
||||||
|
mkimage -A arm -O linux -T kernel -n "Debian kernel ${version}" \
|
||||||
|
-C none -a 0x82000000 -e 0x82000000 -d temp-kernel uImage ; \
|
||||||
|
rm -f temp-kernel ; \
|
||||||
|
mkimage -A arm -O linux -T ramdisk -C gzip -a 0x88080000 -e 0x88080000 \
|
||||||
|
-n "Debian ramdisk ${version}" \
|
||||||
|
-d $initRd uInitrd )
|
||||||
|
}
|
||||||
|
|
||||||
|
a20_setup_boot() {
|
||||||
dtb="$1"
|
dtb="$1"
|
||||||
|
|
||||||
# Setup boot.cmd
|
# Setup boot.cmd
|
||||||
fstype=ext4
|
if grep -q btrfs /etc/fstab ; then
|
||||||
if grep -q btrfs /etc/fstab; then
|
|
||||||
fstype=btrfs
|
fstype=btrfs
|
||||||
fi
|
else
|
||||||
|
fstype=ext4
|
||||||
if [ -n "$command_line" ] ; then
|
|
||||||
echo flash-kernel flash-kernel/linux_cmdline string "$command_line" | debconf-set-selections
|
|
||||||
fi
|
fi
|
||||||
kernelVersion=$(ls /usr/lib/*/$dtb | head -1 | cut -d/ -f4)
|
kernelVersion=$(ls /usr/lib/*/$dtb | head -1 | cut -d/ -f4)
|
||||||
version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
|
version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
|
||||||
|
|
@ -116,104 +206,37 @@ EOF
|
||||||
echo "rtc_sunxi" >> /etc/initramfs-tools/modules
|
echo "rtc_sunxi" >> /etc/initramfs-tools/modules
|
||||||
}
|
}
|
||||||
|
|
||||||
beaglebone_env() {
|
|
||||||
bbb_version=$1
|
|
||||||
|
|
||||||
# Setup uEnv.txt
|
|
||||||
fstype=ext4
|
|
||||||
if grep -q btrfs /etc/fstab ; then
|
|
||||||
fstype=btrfs
|
|
||||||
fi
|
|
||||||
if [ ! $bbb_version ]; then
|
|
||||||
kernelVersion=$(ls /usr/lib/*/am335x-boneblack.dtb | head -1 | cut -d/ -f4)
|
|
||||||
else
|
|
||||||
kernelVersion=$(ls /usr/lib/*/am335x-boneblack-${1}.dtb | head -1 | cut -d/ -f4)
|
|
||||||
fi
|
|
||||||
version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
|
|
||||||
initRd=initrd.img-$version
|
|
||||||
vmlinuz=vmlinuz-$version
|
|
||||||
|
|
||||||
#bbb_loadaddr='0x80200000'
|
|
||||||
#bbb_initrd_addr='0x81000000'
|
|
||||||
#bbb_fdtaddr='0x80F80000'
|
|
||||||
#if [[ "$bbb_version" == "wireless" ]]; then
|
|
||||||
bbb_loadaddr='0x82000000'
|
|
||||||
bbb_initrd_addr='0x88080000'
|
|
||||||
bbb_fdtaddr='0x88000000'
|
|
||||||
#fi
|
|
||||||
|
|
||||||
# uEnv.txt for Beaglebone
|
|
||||||
# based on https://github.com/beagleboard/image-builder/blob/master/target/boot/beagleboard.org.txt
|
|
||||||
cat >> /boot/uEnv.txt <<EOF
|
|
||||||
mmcroot=/dev/mmcblk0p2 ro
|
|
||||||
mmcrootfstype=$fstype rootwait fixrtc
|
|
||||||
mmcrootflags=subvol=@
|
|
||||||
|
|
||||||
console=ttyO0,115200n8
|
|
||||||
|
|
||||||
kernel_file=$vmlinuz
|
|
||||||
initrd_file=$initRd
|
|
||||||
|
|
||||||
loadaddr=$bbb_loadaddr
|
|
||||||
initrd_addr=$bbb_initrd_addr
|
|
||||||
fdtaddr=$bbb_fdtaddr
|
|
||||||
|
|
||||||
initrd_high=0xffffffff
|
|
||||||
fdt_high=0xffffffff
|
|
||||||
|
|
||||||
loadkernel=load mmc \${mmcdev}:\${mmcpart} \${loadaddr} \${kernel_file}
|
|
||||||
loadinitrd=load mmc \${mmcdev}:\${mmcpart} \${initrd_addr} \${initrd_file}; setenv intrd_size \${filesize}
|
|
||||||
loadfdt=load mmc \${mmcdev}:\${mmcpart} \${fdtaddr} /dtbs/\${fdtfile}
|
|
||||||
|
|
||||||
loadfiles=run loadkernel; run loadinitrd; run loadfdt
|
|
||||||
mmcargs=setenv bootargs console=tty0 console=\${console} root=\${mmcroot} rootfstype=\${mmcrootfstype} rootflags=\${mmcrootflags}
|
|
||||||
|
|
||||||
uenvcmd=run loadfiles; run mmcargs; bootz \${loadaddr} \${initrd_addr}:\${initrd_size} \${fdtaddr}
|
|
||||||
EOF
|
|
||||||
|
|
||||||
mkdir -p /boot/dtbs
|
|
||||||
cp /usr/lib/linux-image-*-armmp/* /boot/dtbs
|
|
||||||
}
|
|
||||||
|
|
||||||
case "$MACHINE" in
|
case "$MACHINE" in
|
||||||
beaglebone)
|
beaglebone)
|
||||||
beaglebone_env
|
beaglebone_setup_boot
|
||||||
|
beaglebone_flash
|
||||||
|
beaglebone_repack_kernel
|
||||||
enable_serial_console ttyO0
|
enable_serial_console ttyO0
|
||||||
setup_flash_kernel 'TI AM335x BeagleBone Black' 'ttyO0'
|
|
||||||
;;
|
;;
|
||||||
beaglebonewifi)
|
beaglebonewifi)
|
||||||
beaglebone_env
|
beaglebone_setup_boot wireless
|
||||||
|
beaglebone_flash
|
||||||
|
beaglebone_repack_kernel wireless
|
||||||
enable_serial_console ttyO0
|
enable_serial_console ttyO0
|
||||||
setup_flash_kernel 'TI AM335x BeagleBone Black Wireless' 'ttyO0'
|
|
||||||
;;
|
;;
|
||||||
cubietruck)
|
cubietruck)
|
||||||
a20_env sun7i-a20-cubietruck.dtb
|
a20_setup_boot sun7i-a20-cubietruck.dtb
|
||||||
enable_serial_console ttyO0
|
enable_serial_console ttyS0
|
||||||
setup_flash_kernel 'Cubietech Cubietruck'
|
|
||||||
;;
|
;;
|
||||||
a20-olinuxino-lime)
|
a20-olinuxino-lime)
|
||||||
a20_env sun7i-a20-olinuxino-lime.dtb
|
a20_setup_boot sun7i-a20-olinuxino-lime.dtb
|
||||||
enable_serial_console ttyO0
|
enable_serial_console ttyS0
|
||||||
setup_flash_kernel 'Olimex A20-OLinuXino-LIME'
|
|
||||||
;;
|
;;
|
||||||
a20-olinuxino-lime2)
|
a20-olinuxino-lime2)
|
||||||
a20_env sun7i-a20-olinuxino-lime2.dtb
|
a20_setup_boot sun7i-a20-olinuxino-lime2.dtb
|
||||||
enable_serial_console ttyO0
|
enable_serial_console ttyS0
|
||||||
setup_flash_kernel 'Olimex A20-OLinuXino-LIME2'
|
|
||||||
;;
|
;;
|
||||||
a20-olinuxino-micro)
|
a20-olinuxino-micro)
|
||||||
a20_env sun7i-a20-olinuxino-micro.dtb
|
a20_setup_boot sun7i-a20-olinuxino-micro.dtb
|
||||||
enable_serial_console ttyO0
|
enable_serial_console ttyS0
|
||||||
setup_flash_kernel 'Olimex A20-Olinuxino Micro'
|
|
||||||
;;
|
;;
|
||||||
cubieboard2)
|
cubieboard2)
|
||||||
a20_env sun7i-a20-cubieboard2.dtb
|
a20_setup_boot sun7i-a20-cubieboard2.dtb
|
||||||
enable_serial_console ttyO0
|
enable_serial_console ttyS0
|
||||||
setup_flash_kernel 'Cubietech Cubieboard2'
|
|
||||||
;;
|
|
||||||
pcduino3)
|
|
||||||
a20_env sun7i-a20-pcduino3.dtb
|
|
||||||
enable_serial_console ttyO0
|
|
||||||
setup_flash_kernel 'LinkSprite pcDuino3'
|
|
||||||
;;
|
;;
|
||||||
esac
|
esac
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue