linux-kernel - Re: [PATCH 1/1] riscv: default to CONFIG_RISCV_SBI

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Date:   Thu, 16 Dec 2021 13:49:35 +0000
From:   Jessica Clarke <jrtc27@...c27.com>
To:     Heinrich Schuchardt <heinrich.schuchardt@...onical.com>
Cc:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] riscv: default to CONFIG_RISCV_SBI_V01=n

On 16 Dec 2021, at 12:35, Heinrich Schuchardt <heinrich.schuchardt@...onical.com> wrote:
> 
> The SBI 0.1 specification is obsolete. The current version is 0.3.
> Hence we should not rely by default on SBI 0.1 being implemented.

It’s what BBL implements, and some people are still using it,
especially given early hardware shipped before OpenSBI grew in
popularity.

Jess