disdi

Add support for CAN bus to Litex

3

This is to add support for controller area network (CAN bus) to Litex. It is based on [CTU CAN FD IP Core](https://gitlab.fel.cvut.cz/canbus/ctucanfd_ip_core) developed by Czech Technical University in Prague. It...

On Ubuntu 21.10 using gcc version 11.2.0, project fails to compile. Adding minor fixes to resolve it.

Update Docker flow

2

`make sw-all` fails for gcc version below gcc version 12.x . [Prebuilt toolchain](https://github.com/pulp-platform/cheshire/blob/main/.github/Dockerfile#L13l) used in Dockerfile for workflow also fails. Suggest to use prebuilt from [here](https://github.com/stnolting/riscv-gcc-prebuilt/releases/download/rv64imc-3.0.0/riscv64-unknown-elf.gcc-12.1.0.tar.gz) or build from [source](https://github.com/riscv-software-src/riscv-tools/)

Add support for CAN in litex

2

This is to add support for controller area network (CAN bus) to Litex. It is based on [CTU CAN FD IP Core](https://gitlab.fel.cvut.cz/canbus/ctucanfd_ip_core) developed by Czech Technical University in Prague. It...

[Template](https://ihp-open-ip.readthedocs.io/en/latest/files.html) for Digital design does not exist  I found it in one of the forks [here](https://github.com/KrzysztofHerman/IHP-Open-DesignLib/tree/dev/design_name).