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
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
Pin | MicroSD | JTAG Connection | 14-pin ARM JTAG Header | UART Connection | 5-pin UART Header |
1 | Data2 | TCK | 9 | nc | nc |
2 | CD/Data3 | nc | nc | RX | 2 |
3 | Cmd | TDO | 11 | nc | nc |
4 | VDD | VTG | 1,13 | VDD | 3 |
5 | CLK | nc | nc | TX | 1 |
6 | VSS | GND | 2,4,6,8,10,14 | GND | 4, 5 |
7 | Data0 | TDI | 5 | nc | nc |
8 | Data1 | TMS | 7 | nc | nc |
nc | nc | nTRST | 3 | nc | nc |
nc | nc | nRESET | 12 | nc | nc |