sunxi: add support for FriendlyARM Nano PI NEO Air dev board
Hardware:
Allwinner H3 upto 1.2GHz
512MB DDR3 RAM
8GB on-board eMMC - mountable, can be used as boot with custom boot.scr
microSD-card slot
WiFi 802.11n (AP6212A) - working
Bluetooth (AP6212A) - not working for now
Micro-USB OTG + 2*USB headers
UART 3.3V - working
GPIO/I2C/SPI 2.54mm headers
Standard sunxi SD-card installation procedure - copy image to SD card,
insert in into slot and boot. First time you will need UART adapter to
enable on-board wireless (or just build custom image with enabled WiFi).
To boot from eMMC:
- boot from SD
- copy SD image to emmc (dd bs=... if=.... of=/dev/mmcblk2)
- mount eMMC boot partition and replace boot script on it
- unmount, reboot
To use i2c, spi and more uarts - replace dtb on boot partition with
fixed one (use dtc or fdt-tools).
Signed-off-by: Roman Bazalevsky <rvb@rvb.name>
[rebase onto device name consolidation patches]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>