From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F416174EC6; Tue, 25 Jun 2024 16:44:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719333857; cv=none; b=NWBpRgvr8hW0GHhbvzASNjBj7u4mI0k6EdZTBzrOf/lhFlK/aH3xIgzw4dCCpydgOWPIv/W2ZPx7FAHb3X4WcDStlTJa4UkLBSNbrg+2uvISb6bkX8D2jrczPcUVUQCdwpwxeF+Ah/Mo3vguQJ+m8j0DFq7jnlIc/WkwH+Wk/9c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719333857; c=relaxed/simple; bh=nJLIEHYA4IU5CnCUPRio4UDoGJzwTZVSu8wm5K4Cqlg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sDCf9VwFpHoXXZPFL5ntWucPa+2M/8oI+aad34u2JbeFtd0KszZlYabUx0+OFLstGvhHNvNoGrINJhMZWWWEo5Tl3KIQgyVI+o9E5nJU80KM/Kui9a26MSR8E2RfRvX841Hvo+vHYeBWrdI32LJXnNfvdJwKc6k/lRCxBUQUVlc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JghGX+/U; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JghGX+/U" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6C65BC32781; Tue, 25 Jun 2024 16:44:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1719333857; bh=nJLIEHYA4IU5CnCUPRio4UDoGJzwTZVSu8wm5K4Cqlg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=JghGX+/UzSZZ9grhsU4TnutrVjZDSoPsy7SAf2wvic+MK21kl13z6o5UAUb+raiEz /foEtHGQZ5Su2iWL4nLIMqJr2anlULd3PHcIDt8od+bu2A+gsUffbxNC61eJrs0Aa2 UJH6V0m2xOCN1VdhlMaAqIcZfj63X3FekS53UVfmSPv6AkKIjs52zAGsMy5ejwoXRm OMTtyuD05m8FujTRkvJztXkKB7S3SevAxnLj10UP6KtY+3Jz7ESvsbGmuWRSsx4Dy3 c3Cmw2qVJi1dZF6/Q2YKvUv2vOD7S1PIfmaZqpUqbWyr36/MtKYpebgWoKY45hDWUN OLj6Uf4pLd6zA== Date: Tue, 25 Jun 2024 17:44:12 +0100 From: Conor Dooley To: Yangyu Chen Cc: linux-riscv@lists.infradead.org, Conor Dooley , Damien Le Moal , Rob Herring , Krzysztof Kozlowski , Dan Carpenter , Paul Walmsley , Palmer Dabbelt , Albert Ou , Guo Ren , devicetree@vger.kernel.org, Linux Kernel Mailing List Subject: Re: (subset) [PATCH RESEND v8 0/6] riscv: add initial support for Canaan Kendryte K230 Message-ID: <20240625-stumbling-fraternal-f7b0a9394d85@spud> References: <20240410-unwoven-march-299a9499f5f4@spud> <20240619-hammock-drum-04bfc16a8ef6@spud> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="TyYuCF/ln5ypIBL+" Content-Disposition: inline In-Reply-To: --TyYuCF/ln5ypIBL+ Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jun 26, 2024 at 12:04:22AM +0800, Yangyu Chen wrote: >=20 >=20 > > On Jun 19, 2024, at 18:45, Conor Dooley wrote: > >=20 > > On Wed, Apr 10, 2024 at 11:30:25AM +0100, Conor Dooley wrote: > >> From: Conor Dooley > >>=20 > >> On Mon, 08 Apr 2024 00:26:58 +0800, Yangyu Chen wrote: > >>> K230 is an ideal chip for RISC-V Vector 1.0 evaluation now. Add initi= al > >>> support for it to allow more people to participate in building drivers > >>> to mainline for it. > >>>=20 > >>> This kernel has been tested upon factory SDK [1] with > >>> k230_evb_only_linux_defconfig and patched mainline opensbi [2] to skip > >>> locked pmp and successfully booted to busybox on initrd with this log= [3]. > >>>=20 > >>> [...] > >>=20 > >> Applied to riscv-dt-for-next, thanks! > >>=20 > >> [1/6] dt-bindings: riscv: Add T-HEAD C908 compatible > >> https://git.kernel.org/conor/c/64cbc46bb854 > >> [2/6] dt-bindings: add Canaan K230 boards compatible strings > >> https://git.kernel.org/conor/c/b065da13ea9c > >> [3/6] dt-bindings: timer: Add Canaan K230 CLINT > >> https://git.kernel.org/conor/c/b3ae796d0a4f > >> [4/6] dt-bindings: interrupt-controller: Add Canaan K230 PLIC > >> https://git.kernel.org/conor/c/db54fda11b13 > >> [5/6] riscv: dts: add initial canmv-k230 and k230-evb dts > >> https://git.kernel.org/conor/c/5db2c4dc413e > >=20 > > After some discussion on the k1 thread > > (https://lore.kernel.org/all/ZnEOU7D00J8Jzy-1@xhacker/, https://lore.ke= rnel.org/all/ZnA6pZLkI2StP8Hh@xhacker/) > > I am going to drop this series. It's not very useful in the current > > state and there's not really been any interest from people in getting > > the platform to a more complete state. Jisheng made some good points in > > the k1 thread about the missing clock controller stuff, and I think I'm > > going to make having basic things like clocks and where applicable > > resets and pinctrl the minimum requirement for the platforms I'm looking > > after. > >=20 > > I've thrown these patches into my tree: > > https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/log/?h= =3Dk230-basic > >=20 > > I do have one of these boards, but I'm fairly limited at the moment bet= ween > > the various linux-related and work demands on my time, so it's pretty > > unlikely that I'll do anything with it myself. > >=20 >=20 > OK. I understand about this. I do some initial support for K230 > only for my evaluation purpose and propose this tree to provide > information for others to boot up a minimal kernel and also have > another patch [1] to have a USB node so we will able to run a distro > like Debian over NFS rootfs by USB ethernet which is on canmv k230 > board. >=20 > But I want to say I may have no time to do further driver development. > I have done this for my evaluation purpose to get some performance > metrics on real RVV chips for research usage since I=E2=80=99m a Ph.D. > student focused on computer architecture. I have to devote my time > to my research work. And thanks, in particular, for doing the initial k230 work. We've got something that boots without having to use the vendor extensions which is great :) >=20 > If anyone wants to do some further driver development, please don=E2=80= =99t > hesitate to do so. Don=E2=80=99t imagine I may be doing this, so you may > do duplicate work. I=E2=80=99m too busy to do that. >=20 > [1] https://lore.kernel.org/linux-riscv/tencent_E9B853316D217B8D1E7CDF828= 8DA5E8ED908@qq.com/ --TyYuCF/ln5ypIBL+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZnrz3AAKCRB4tDGHoIJi 0sQWAQDfn54lFkCjyP8U5q1lfs/UhLsBZGHTbF1RRKKxih1jDwD/YuoQA5ibTmej bxDLvE1+f2tDcTdTX+L/rwmEH0gRyAI= =SDQ6 -----END PGP SIGNATURE----- --TyYuCF/ln5ypIBL+--