[PATCH v4 5/5] RISC-V: Enable SBI based earlycon support

Anup Patel apatel at ventanamicro.com
Thu Nov 23 21:39:32 AEDT 2023


On Wed, Nov 22, 2023 at 4:18 AM Samuel Holland
<samuel.holland at sifive.com> wrote:
>
> Hi Anup,
>
> On 2023-11-17 9:38 PM, Anup Patel wrote:
> > Let us enable SBI based earlycon support in defconfigs for both RV32
> > and RV64 so that "earlycon=sbi" can be used again.
> >
> > Signed-off-by: Anup Patel <apatel at ventanamicro.com>
> > Reviewed-by: Andrew Jones <ajones at ventanamicro.com>
> > ---
> >  arch/riscv/configs/defconfig      | 1 +
> >  arch/riscv/configs/rv32_defconfig | 1 +
> >  2 files changed, 2 insertions(+)
> >
> > diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
> > index 905881282a7c..eaf34e871e30 100644
> > --- a/arch/riscv/configs/defconfig
> > +++ b/arch/riscv/configs/defconfig
> > @@ -149,6 +149,7 @@ CONFIG_SERIAL_8250_CONSOLE=y
> >  CONFIG_SERIAL_8250_DW=y
> >  CONFIG_SERIAL_OF_PLATFORM=y
> >  CONFIG_SERIAL_SH_SCI=y
> > +CONFIG_SERIAL_EARLYCON_RISCV_SBI=y
> >  CONFIG_VIRTIO_CONSOLE=y
> >  CONFIG_HW_RANDOM=y
> >  CONFIG_HW_RANDOM_VIRTIO=y
> > diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig
> > index 89b601e253a6..5721af39afd1 100644
> > --- a/arch/riscv/configs/rv32_defconfig
> > +++ b/arch/riscv/configs/rv32_defconfig
>
> This file isn't used anymore since 72f045d19f25 ("riscv: Fixup difference with
> defconfig"), so there's no need to update it. I'll send a patch deleting it.

Okay, I will drop the changes in rv32_defconfig.

>
> Regards,
> Samuel
>
> > @@ -66,6 +66,7 @@ CONFIG_INPUT_MOUSEDEV=y
> >  CONFIG_SERIAL_8250=y
> >  CONFIG_SERIAL_8250_CONSOLE=y
> >  CONFIG_SERIAL_OF_PLATFORM=y
> > +CONFIG_SERIAL_EARLYCON_RISCV_SBI=y
> >  CONFIG_VIRTIO_CONSOLE=y
> >  CONFIG_HW_RANDOM=y
> >  CONFIG_HW_RANDOM_VIRTIO=y
>

Regards,
Anup


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