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A RISC-V linux system for the ECP5 can be built with the FOSS toolchain using vexriscv and litex: https://github.com/litex-hub/linux-on-litex-vexriscv https://
by kersny 7y ago
A RISC-V linux system for the ECP5 can be built with the FOSS toolchain using vexriscv and litex:
https://github.com/litex-hub/linux-on-litex-vexriscv https://github.com/litex-hub/linux-on-litex-vexriscv
also, step by step using a different core (rocket): https://insights.sei.cmu.edu/sei_blog/2019/10/how-to-build-a-trustworthy-freelibre-linux-capable-64-bit-risc-v-computer.html https://insights.sei.cmu.edu/sei_blog/2019/10/how-to-build-a...
- jhallenworld 7y agoI'm amazed to see the preferred toolchain for LiteX for ECP5 listed as "Yosys/Trellis/Nextpnr" (and vendor proprietary tools for the other families). The rocket core mentions 102% of space used of an 85K LUT FPGA and having to deal with it. I wonder which core is using so much space? I have more experience with vendor soft cores, and they would use much less..