litex生成MMC设备树

需要先 python3 make.py –board=icmaker_potato_pie_v4 –build

python3 ~/litex/python-litex/litex/litex/tools/litex_json2dts_linux.py –initrd disabled –root-device mmcblk0p2 ~/litex/linux-on-litex-vexriscv/build/icmaker_potato_pie_v4/csr.json > ~/litex/linux-on-litex-vexriscv/build/icmaker_potato_pie_v4/icmaker_potato_pie_v4_mmc.dts

dtc -O dtb -o ~/litex/linux-on-litex-vexriscv/build/icmaker_potato_pie_v4/icmaker_potato_pie_v4_mmc.dtb ~/litex/linux-on-litex-vexriscv/build/icmaker_potato_pie_v4/icmaker_potato_pie_v4_mmc.dts