[PATCH v=2] serial: implement riscv SBI console support

[Sascha Hauer]

On Mon, Sep 27, 2021 at 05:05:21PM -0300, Marcelo Politzer wrote:
> Implement a console over legacy SBI (version 0.1.0). There is a tiny ringbuffer
> to simplify checking for presence and reading characters as separate steps.
> ---
>  arch/riscv/cpu/core.c       | 12 ++++++++
>  arch/riscv/lib/sbi.c        | 10 +++++++
>  drivers/serial/Kconfig      |  8 +++++
>  drivers/serial/Makefile     |  1 +
>  drivers/serial/serial_sbi.c | 58 +++++++++++++++++++++++++++++++++++++
>  5 files changed, 89 insertions(+)
>  create mode 100644 drivers/serial/serial_sbi.c

Applied, thanks

Sascha


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