221 lines
6.8 KiB
Bash
Executable File
221 lines
6.8 KiB
Bash
Executable File
#!/bin/sh
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#
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# .---. . .
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# | | |
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# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
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# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
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# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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#
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# Freedom in the Cloud
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#
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# Hardware setup based on bin/freedombox-hardware-setup from freedom-maker
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#
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# License
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# =======
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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PROJECT_NAME='freedombone'
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export TEXTDOMAIN=${PROJECT_NAME}-image-hardware-setup
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export TEXTDOMAINDIR="/usr/share/locale"
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enable_serial_console() {
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# By default, spawn a console on the serial port
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device="$1"
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echo $"Adding a getty on the serial port"
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echo "T0:12345:respawn:/sbin/getty -L $device 115200 vt100" >> /etc/inittab
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}
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beaglebone_setup_boot() {
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# Setup uEnv.txt
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if grep -q btrfs /etc/fstab ; then
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fstype=btrfs
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else
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fstype=ext4
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fi
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kernelVersion=$(ls /usr/lib/*/am335x-boneblack.dtb | head -1 | cut -d/ -f4)
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version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
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initRd=initrd.img-$version
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vmlinuz=vmlinuz-$version
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# uEnv.txt for Beaglebone
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# based on https://github.com/beagleboard/image-builder/blob/master/target/boot/beagleboard.org.txt
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cat >> /boot/uEnv.txt <<EOF
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mmcroot=/dev/mmcblk0p2 ro
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mmcrootfstype=$fstype rootwait fixrtc
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mmcrootflags=subvol=@
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console=ttyO0,115200n8
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kernel_file=$vmlinuz
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initrd_file=$initRd
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loadaddr=0x80200000
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initrd_addr=0x81000000
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fdtaddr=0x80F80000
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initrd_high=0xffffffff
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fdt_high=0xffffffff
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loadkernel=load mmc \${mmcdev}:\${mmcpart} \${loadaddr} \${kernel_file}
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loadinitrd=load mmc \${mmcdev}:\${mmcpart} \${initrd_addr} \${initrd_file}; setenv initrd_size \${filesize}
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loadfdt=load mmc \${mmcdev}:\${mmcpart} \${fdtaddr} /dtbs/\${fdtfile}
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loadfiles=run loadkernel; run loadinitrd; run loadfdt
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mmcargs=setenv bootargs console=tty0 console=\${console} root=\${mmcroot} rootfstype=\${mmcrootfstype} rootflags=\${mmcrootflags}
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uenvcmd=run loadfiles; run mmcargs; bootz \${loadaddr} \${initrd_addr}:\${initrd_size} \${fdtaddr}
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EOF
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mkdir -p /boot/dtbs
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cp /usr/lib/linux-image-*-armmp/* /boot/dtbs
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}
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beaglebone_flash() {
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# allow flash-kernel to work without valid /proc contents
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# ** this doesn't *really* work, since there are too many checks
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# that fail in an emulated environment! We'll have to do it by
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# hand below anyway...
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export FK_MACHINE="TI AM335x BeagleBone"
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apt-get install -y flash-kernel
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}
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beaglebone_repack_kernel() {
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# process installed kernel to create uImage, uInitrd, dtb
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# using flash-kernel would be a good approach, except it fails in the
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# cross build environment due to too many environment checks...
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#FK_MACHINE="TI AM335x BeagleBone" flash-kernel
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# so, let's do it manually...
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# flash-kernel's hook-functions provided to mkinitramfs have the
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# unfortunate side-effect of creating /conf/param.conf in the initrd
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# when run from our emulated chroot environment, which means our root=
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# on the kernel command line is completely ignored! repack the initrd
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# to remove this evil...
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echo "info: repacking beaglebone kernel and initrd"
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kernelVersion=$(ls /usr/lib/*/am335x-boneblack.dtb | head -1 | cut -d/ -f4)
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version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
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initRd=initrd.img-$version
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vmlinuz=vmlinuz-$version
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mkdir /tmp/initrd-repack
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(cd /tmp/initrd-repack ; \
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zcat /boot/$initRd | cpio -i ; \
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rm -f conf/param.conf ; \
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find . | cpio --quiet -o -H newc | \
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gzip -9 > /boot/$initRd )
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rm -rf /tmp/initrd-repack
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(cd /boot ; \
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cp /usr/lib/$kernelVersion/am335x-boneblack.dtb dtb ; \
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cat $vmlinuz dtb >> temp-kernel ; \
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mkimage -A arm -O linux -T kernel -n "Debian kernel ${version}" \
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-C none -a 0x80200000 -e 0x80200000 -d temp-kernel uImage ; \
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rm -f temp-kernel ; \
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mkimage -A arm -O linux -T ramdisk -C gzip -a 0x81000000 -e 0x81000000 \
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-n "Debian ramdisk ${version}" \
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-d $initRd uInitrd )
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}
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a20_setup_boot() {
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dtb="$1"
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# Setup boot.cmd
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if grep -q btrfs /etc/fstab ; then
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fstype=btrfs
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else
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fstype=ext4
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fi
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kernelVersion=$(ls /usr/lib/*/$dtb | head -1 | cut -d/ -f4)
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version=$(echo $kernelVersion | sed 's/linux-image-\(.*\)/\1/')
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initRd=initrd.img-$version
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vmlinuz=vmlinuz-$version
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# Create boot.cmd
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cat >> /boot/boot.cmd <<EOF
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setenv mmcdev 0
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setenv mmcpart 1
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setenv mmcroot /dev/mmcblk0p2 ro
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setenv mmcrootfstype $fstype rootwait fixrtc
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setenv mmcrootflags subvol=@
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setenv console ttyS0,115200n8
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setenv kernel_file $vmlinuz
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setenv initrd_file $initRd
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setenv fdtfile $dtb
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setenv loadaddr 0x46000000
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setenv initrd_addr 0x48000000
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setenv fdtaddr 0x47000000
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setenv initrd_high 0xffffffff
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setenv fdt_high 0xffffffff
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setenv loadkernel load mmc \${mmcdev}:\${mmcpart} \${loadaddr} \${kernel_file}
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setenv loadinitrd load mmc \${mmcdev}:\${mmcpart} \${initrd_addr} \${initrd_file}\\; setenv initrd_size \\\${filesize}
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setenv loadfdt load mmc \${mmcdev}:\${mmcpart} \${fdtaddr} /dtbs/\${fdtfile}
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setenv loadfiles run loadkernel\\; run loadinitrd\\; run loadfdt
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setenv mmcargs setenv bootargs console=\${console} root=\${mmcroot} rootfstype=\${mmcrootfstype} rootflags=\${mmcrootflags}
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run loadfiles; run mmcargs; bootz \${loadaddr} \${initrd_addr}:\${initrd_size} \${fdtaddr}
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EOF
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# boot.scr for Allwinner A20 based device
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mkimage -C none -A arm -T script -d /boot/boot.cmd /boot/boot.scr
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# Copy all DTBs
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mkdir -p /boot/dtbs
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cp /usr/lib/$kernelVersion/* /boot/dtbs
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# extra boot modules
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echo "rtc_sunxi" >> /etc/initramfs-tools/modules
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}
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case "$MACHINE" in
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beaglebone)
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beaglebone_setup_boot
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beaglebone_flash
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beaglebone_repack_kernel
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enable_serial_console ttyO0
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;;
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cubietruck)
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a20_setup_boot sun7i-a20-cubietruck.dtb
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enable_serial_console ttyS0
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;;
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a20-olinuxino-lime)
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a20_setup_boot sun7i-a20-olinuxino-lime.dtb
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enable_serial_console ttyS0
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;;
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a20-olinuxino-lime2)
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a20_setup_boot sun7i-a20-olinuxino-lime2.dtb
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enable_serial_console ttyS0
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;;
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a20-olinuxino-micro)
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a20_setup_boot sun7i-a20-olinuxino-micro.dtb
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enable_serial_console ttyS0
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;;
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cubieboard2)
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a20_setup_boot sun7i-a20-cubieboard2.dtb
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enable_serial_console ttyS0
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;;
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esac
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