From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Anup Patel <anup@brainfault.org>
Cc: Stafford Horne <shorne@gmail.com>,
Karol Gugala <kgugala@antmicro.com>,
Mateusz Holenko <mholenko@antmicro.com>,
Gabriel Somlo <gsomlo@gmail.com>,
linux-riscv <linux-riscv@lists.infradead.org>,
"linux-kernel@vger.kernel.org List"
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4] drivers/soc/litex: Add restart handler
Date: Wed, 20 Jan 2021 09:21:53 +0100 [thread overview]
Message-ID: <CAMuHMdXwrsgQNAF=7cObLw-j7jGvKERPaMd76FJaD2whhGSdrg@mail.gmail.com> (raw)
In-Reply-To: <CAAhSdy3woKdo1=sZRO3ua=hK6M8NM7dp3nMFX99dKoUOC6+W5Q@mail.gmail.com>
Hi Anup,
On Tue, Jan 19, 2021 at 9:18 AM Anup Patel <anup@brainfault.org> wrote:
> On Tue, Jan 19, 2021 at 1:40 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > Let the LiteX SoC Controller register a restart handler, which resets
> > the LiteX SoC by writing 1 to CSR_CTRL_RESET_ADDR.
> >
> > Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
>
> We have SBI System Reset Extension (SRST) in upcoming
> SBI v0.3 spec. Using this SBI extension, you will not require a
> dedicated reboot driver for various projects such as Linux kernel,
> U-Boot, EDK2, FreeBSD kernel, etc.
>
> The OpenSBI v0.9 (released yesterday) already has SBI SRST
> extension implemented so we will just need platform hooks for
> LiteX.
>
> The Linux support for SRST extension is already available on
> LKML so far no comments: https://lkml.org/lkml/2020/11/25/6
Thanks, that would cover RISC-V.
But what about other users of LiteX, like openrisc and powerpc?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2021-01-20 8:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-19 8:09 [PATCH v4] drivers/soc/litex: Add restart handler Geert Uytterhoeven
2021-01-19 8:17 ` Anup Patel
2021-01-20 8:21 ` Geert Uytterhoeven [this message]
2021-01-19 21:34 ` Stafford Horne
2021-01-19 22:11 ` Stafford Horne
2021-01-20 8:20 ` Geert Uytterhoeven
2021-01-20 13:06 ` Stafford Horne
2021-01-20 21:46 ` Joel Stanley
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAMuHMdXwrsgQNAF=7cObLw-j7jGvKERPaMd76FJaD2whhGSdrg@mail.gmail.com' \
--to=geert@linux-m68k.org \
--cc=anup@brainfault.org \
--cc=gsomlo@gmail.com \
--cc=kgugala@antmicro.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=mholenko@antmicro.com \
--cc=shorne@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).