On Wed, 2019-10-09 at 12:42 -0700, Paul Walmsley wrote:
> Add a default "stdout-path" to the kernel DTS file, as is present in
> many
> of the board DTS files elsewhere in the kernel tree. With this line
> present, earlyconsole can be enabled by simply passing "earlycon" on
> the
> kernel command line. No specific device details are necessary, since
> the
> kernel will use the stdout-path as the default.
>
> Signed-off-by: Paul Walmsley <paul.walmsley@xxxxxxxxxx>
> ---
> Tested on a HiFive Unleashed using BBL.
>
> arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
> b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
> index 104d334511cd..88cfcb96bf23 100644
> --- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
> +++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
> @@ -13,6 +13,7 @@
> compatible = "sifive,hifive-unleashed-a00", "sifive,fu540-
> c000";
>
> chosen {
> + stdout-path = "serial0";
> };
>
> cpus {
Tested on a HiFive Unleashed using OpenSBI + U-Boot + Linux boot flow.
Once this patch is merged, we can remove stdout-path fix in OpenSBI for
unleashed platform as well.
Reviewed-by: Atish Patra <atish.patra@xxxxxxx>
--
Regards,
Atish
