How to build a bootable SSD card with a NetBSD kernel on Cubieboard2

netbsd-cubieboard2.sh

# working on Mac OS X :)
# You have a blank or unused SSD card.

# Get latest at http://dl.linux-sunxi.org/nightly/u-boot-sunxi/u-boot-sunxi/
wget http://dl.linux-sunxi.org/nightly/u-boot-sunxi/u-boot-sunxi/u-boot-sunxi-20140413T154240-9167f4b/u-boot-sunxi-cubieboard2.tar.xz
tar xvf u-boot-sunxi-cubieboard2.tar.xz
cd u-boot-sunxi-cubieboard2-20140413T154240-9167f4b/

# Follow the instructions written in http://docs.cubieboard.org/zh/tutorials/ct1/installation/install_lubuntu_desktop_server_to_sd_card
card=/dev/disk1
sudo dd if=/dev/zero of=${card} bs=1024 seek=544 count=128
sudo dd if=u-boot-sunxi-with-spl.bin of=$card bs=1024 seek=8

# Create "1st partitions start from 2048 sectors, 64MB in size". The 1st partition starts from 2048 to 133119 sectors.
# msdos partition is good on Mac OS X :)
sudo fdisk -e /dev/disk1

# Build a CUBIEBOARD kernel
# or get from somewhere else, e.g, http://nyftp.netbsd.org/pub/NetBSD-daily/HEAD/201404140200Z/evbarm-earmhf/binary/kernel/netbsd-CUBIEBOARD.ub.gz
mount /dev/disk1 /Volume/NO\ NAME
cat <<EOF > /Volume/NO\ NAME/uEnv.txt
uenvcmd=mmc dev 0; mmc rescan; mmc dev 0; mmc rescan; fatload mmc 0:1 82000000 netbsd.ub; bootm 82000000
EOF
cp /tmp/netbsd.ub /Volume/NO\ NAME/netbsd.ub

# Insert the SSD card, then boot your Cubieboard2!