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[2603:6081:7b01:cbda:8dc3:db57:8e4a:695a]) by smtp.gmail.com with ESMTPSA id d9sm9239805qkn.68.2022.01.17.11.42.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Jan 2022 11:42:06 -0800 (PST) Date: Mon, 17 Jan 2022 14:42:04 -0500 From: Tom Rini To: Angus Ainslie Cc: "NXP i.MX U-Boot Team" , u-boot@lists.denx.de, Stefano Babic , Fabio Estevam , Peng Fan , Marcel Ziswiler , Teresa Remmet , Adam Ford , Tim Harvey , Jagan Teki , Ilko Iliev , kernel@puri.sm Subject: Re: [PATCH 02/13] arm: dts: add the Purism devicetree files Message-ID: <20220117194204.GH2631111@bill-the-cat> References: <20220117150735.218886-1-angus@akkea.ca> <20220117150735.218886-3-angus@akkea.ca> <20220117165932.GL2631111@bill-the-cat> <3498b84cf21f803c0466927fdb83d9be@akkea.ca> <20220117182513.GR2631111@bill-the-cat> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="fez1/uVX7m6GpeOd" Content-Disposition: inline In-Reply-To: X-Clacks-Overhead: GNU Terry Pratchett X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.2 at phobos.denx.de X-Virus-Status: Clean --fez1/uVX7m6GpeOd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jan 17, 2022 at 10:52:42AM -0800, Angus Ainslie wrote: > On 2022-01-17 10:25, Tom Rini wrote: > > On Mon, Jan 17, 2022 at 09:51:24AM -0800, Angus Ainslie wrote: > > >=20 > > > There's 2 ways to solve the this I think. > > >=20 > > > 1) just use the latest librem5 dts file which is made up of 3 > > > different > > > dts(i) files. > > > 2) have a defconfig for each of the different PCB versions. > > >=20 > > > Do you have a preference ? > >=20 > > Can you tell the revision at run-time? We have examples of boards that > > can and will include revA.dtb and revB.dtb and select the correct one at > > run time (and start with something that works on revA and revB). >=20 > Due to some changes by NXP in the fuse section of the imx8mq we can't > reliably detect some of the earlier revisions. >=20 > Going forward we should be able to using this >=20 > https://lists.denx.de/pipermail/u-boot/2021-November/468419.html >=20 > But that will be post r4 boards. Ah "fun". I guess I'd lean towards #1 then if you think that'll be easy enough on the end users too. --=20 Tom --fez1/uVX7m6GpeOd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEGjx/cOCPqxcHgJu/FHw5/5Y0tywFAmHlxoIACgkQFHw5/5Y0 tyz0Rgv/UQ6BQwuOispygDA6XfJuhiLoCvp4tr3713luuLrCZ8Q4m7119v/KqgnI XPJ6zVUN7zx+yri4+qyjQ8Ju0Je4WaQv4v+rmlm3DccOon/wjbgbNVUBdL99hkmJ LpokjDpSjlk+eo65tWLg2r2w+h8VtRJlfQOsIDe7xhnVgYqtOmtUmRxgYGeqj3vi Yk3ndArheEClEPXBK09IZZzrLTGuVgjlqe4n1Sz+s6KCwktK/PJqY1Z5aKIWCIZH f9Ibw93QLX2bJK+K2eyWTP1DK+Eaear+25iLJOKGPH0Ex4iO8CoeucO8rbLfyZaA KYDGv2pZAIw34Tw/RRZiNNPtCUnZmPb2HCqEe/ejYst1p70APbpweOyPMMKpZTzB Cg1QXmk2Z5UqIJNwRzrAHNOaXNtZ4HAIoPbBDu8+d8Bw5UAFgFzTKbabqgRo592x NHIrTPWtVpYETD1qaimiYyOQQ+ygiJzywnt5EoC32EE9gAcYWxoQYMrs1i8l7kPq lCewRf8p =uX6x -----END PGP SIGNATURE----- --fez1/uVX7m6GpeOd--