This page documents various things about this nice A10 machine with 1Gb RAM
https://www.miniand.com/forums/forums/development--3/topics/uboot
(not really needed if u-boot detects memory correctly)
CONFIG_CMDLINE mem=1024M
http://linux-sunxi.org/Linux
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- sun4i_defconfig make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- -j16 uImage modules make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- INSTALL_MOD_PATH=output modules_install
https://github.com/linux-sunxi/sunxi-bsp
https://github.com/cnxsoft/a10-config