[PATCH 1/2] serial: Add riscv_sbi console support

[Bin Meng]

Hi,

On Wed, May 20, 2020 at 7:16 PM Kongou Hikari <hikari at nucleisys.com> wrote:
>
>   - This patch supports debug serial and console from SBI syscall.
>
> Signed-off-by: Kongou Hikari <hikari at nucleisys.com>
> ---
>  drivers/serial/Kconfig            |  17 +++++
>  drivers/serial/Makefile           |   1 +
>  drivers/serial/serial_riscv_sbi.c | 104 ++++++++++++++++++++++++++++++
>  3 files changed, 122 insertions(+)
>  create mode 100644 drivers/serial/serial_riscv_sbi.c
>

The SBI calls sbi_console_getchar & sbi_console_putchar are marked as
legacy calls, and in U-Boot we default to use SBI v0.2

There is not a big value of adding that to the mainline IMHO.

Regards,
Bin