ROC-RK3399-PC (Renegade Elite)
Same with your ROC-RK3399-PC (Renegade Elite): https://libre.computer/products/boards/roc-rk3399-pc/
How do you plan to solve heat dissipation there? And do I get it right that the USB-C in the upper left corner is meant as a generic 12V input?
Boot from SPI directly to NVME works:
Latest U-Boot v2021.01-rc4 + this patch:
rockchip: roc-pc-rk3399: fix boot from SPI flash on spi1
https://patchwork.kernel.org/project/linux-rockchip/list/?series=403611
To build uboot on roc-pc:
make roc-pc-mezzanine-rk3399_defconfig
make -j6
./tools/mkimage -n rk3399 -T rkspi -d tpl/u-boot-tpl.bin:spl/u-boot-spl.bin idbloader-spi.img
To deploy uboot on spi:
dd if=idbloader-spi.img of=spi.img
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