FFmpeg with async and zero-copy Rockchip MPP & RGA support

This source code builds openwrt for Rockchip Soc from upstream source code https://github.com/coolsnowwolf/lede

Mainline Linux kernel source tree, with Gentoo patches, for different ARM single boards, including Rock 5C, Odroidn2 and Hikey970

Examples to use Rockchip RK3588s RGA2-E/RGA3 platform.

Just a bunch of hand crafted experiments to tinker with the capabilities of a really fast aarch64 based system.

Linux kernel 5.10 (Rockchip upstream) for RK3588.

U-Boot (the SPL working correctly) v2017 (Rockchip upstream) for RK3588. (BL2 and BL33)

patched DT on rk-5.10-rkr4 kernel for the Indiedroid Nova SBC