board: sunxi: Add X96Q support

The X96Q is a set-top box with an H313 SoC, AXP305 PMIC, 1 or 2 GiB RAM,
8 or 16 GiB eMMC flash, 2x USB A, Micro-SD, HDMI, Ethernet, audio/video
output, and infrared input.

  https://x96mini.com/products/x96q-tv-box-android-10-set-top-box

This commit adds a defconfig and some documentation. The devicetree is
already in dts/upstream.

The CONFIG_DRAM_SUNXI_* settings are chosen such that the register
values in the DRAM PHY's MMIO space are as close as possible to those
observed when booting with the preinstalled vendor U-Boot. The DRAM
clock frequency of 600 MHz was reported in the vendor U-Boot's output.

Signed-off-by: J. Neuschäfer <[email protected]>
Reviewed-by: Andre Przywara <[email protected]>

0 files changed, 0 insertions, 0 deletions