README.md

Sophgo Boot Tool

This tool talks to CVITEK/Sophgo SoC mask ROMs, supporting:

• CV180xB
  • dual-core C906, with different clock speeds and cache sizes
• SG200x
  • similar to CV180xB
  • option to switch the main core to be Arm

Boards

• Milk-V Duo
  • Duo: CV1800B
  • Duo S: SG2000
  • Duo 256M: SG2002
• Sipeed
  • LicheeRV Nano (SG2002)
  • NanoKVM Cube (SG2002)

Building

Have a Rust toolchain installed with Cargo.

cargo build --release

Running

To run a given flat binary, e.g., oreboot_sg200x.bin on the main core:

cargo run --release -- run oreboot_sg200x.bin

For more options, see the help:

cargo run --release -- -h

Development

This tool is written in Rust 🦀 using well-known libraries from the Rust community for connecting via serial, defining the CLI, and checksums, including:

• serialport-rs
• clap