07-06-2017, 04:15 PM
What I saw so far is a first stage loader that is a binary (check https://github.com/ayufan-rock64/rkbin/tree/master/rk33 or RK's upstream) and of course ARM Mali. As boot0 in the case of Allwinner this loader initializes DRAM and then hands off to u-boot. RK has released u-boot spl as a replacement for this loader for RK3399 and RK3288, RK3368, so we should get a u-boot spl for RK3328 at some point. Otherwise you can check out their BSP sources at https://github.com/rockchip-linux
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