[PATCH 5/5] riscv: select OF_HAS_PRIOR_STAGE by default if SBI is enabled

[Leo Liang]

On Thu, Feb 27, 2025 at 02:47:33PM +0000, Yao Zi wrote:
> Availability of RISC-V SBI service implies a prior stage exists. As SBI
> firmware usually passes a FDT to the loaded program, let's select
> OF_HAS_PRIOR_STAGE if SBI is enabled.
> 
> With previously added fallback version of board_fdt_blob_setup, S-Mode
> RISC-V ports use the SBI-provided FDT by default. This covers the most
> common usecase, where a SPL (probably the U-Boot one) selects proper
> devicetree, loads SBI and U-Boot then invokes SBI with the devicetree.
> 
> Signed-off-by: Yao Zi <ziyao at disroot.org>
> ---
>  arch/riscv/Kconfig | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Leo Yu-Chi Liang <ycliang at andestech.com>