From nobody Mon Feb 9 20:30:34 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2AF75C77B7D for ; Sat, 13 May 2023 14:17:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239502AbjEMORc (ORCPT ); Sat, 13 May 2023 10:17:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229896AbjEMOR2 (ORCPT ); Sat, 13 May 2023 10:17:28 -0400 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 331902136; Sat, 13 May 2023 07:17:25 -0700 (PDT) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 34DEHHm6082935; Sat, 13 May 2023 09:17:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1683987437; bh=KLNkzNc+8lzA7Q5OcqIZjLPstwCTH3EcjCe02slIYkc=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=JvpM4O/t64qf7sUXCo9tg0XZoBrjOspxJzzAZctkOkrJdACS1lgfvHYoO/D2pEKJB w8wz9iX8eQCoA9BjCK+15+4NdcNCRjuWagw1TYVjls94pG9jyFRgbfIjsl2yhHOlMT IQInqTH/R053YgcwoYlwjbTEFrw7H/Mlp4mLFNgE= Received: from DLEE103.ent.ti.com (dlee103.ent.ti.com [157.170.170.33]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 34DEHH5P042576 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 13 May 2023 09:17:17 -0500 Received: from DLEE104.ent.ti.com (157.170.170.34) by DLEE103.ent.ti.com (157.170.170.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Sat, 13 May 2023 09:17:17 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Sat, 13 May 2023 09:17:17 -0500 Received: from localhost (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 34DEHGkX056464; Sat, 13 May 2023 09:17:16 -0500 From: Vaishnav Achath To: , , , , , , CC: , , , , Subject: [PATCH v2 2/6] arm64: dts: ti: k3-j721e-sk: Describe OSPI flash partition info Date: Sat, 13 May 2023 19:47:08 +0530 Message-ID: <20230513141712.27346-3-vaishnav.a@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230513141712.27346-1-vaishnav.a@ti.com> References: <20230513141712.27346-1-vaishnav.a@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Describe OSPI flash partition information through device tree, this helps to remove passing partition information through the mtdparts commandline parameter which requires maintaining the partition information in a string format. J721E SK has a S28 64 MiB OSPI flash with sector size of 256 KiB thus the size of the smallest partition is chosen as 256 KiB, the partition names and offsets are chosen according to the corresponding name and offsets in bootloader. Signed-off-by: Vaishnav Achath --- arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 46 ++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/t= i/k3-j721e-sk.dts index ad7b45aeed0a..54008334d315 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts @@ -568,6 +568,52 @@ cdns,tchsh-ns =3D <60>; cdns,tslch-ns =3D <60>; cdns,read-delay =3D <4>; + + partitions { + compatible =3D "fixed-partitions"; + #address-cells =3D <1>; + #size-cells =3D <1>; + + partition@0 { + label =3D "ospi.tiboot3"; + reg =3D <0x0 0x80000>; + }; + + partition@80000 { + label =3D "ospi.tispl"; + reg =3D <0x80000 0x200000>; + }; + + partition@280000 { + label =3D "ospi.u-boot"; + reg =3D <0x280000 0x400000>; + }; + + partition@680000 { + label =3D "ospi.env"; + reg =3D <0x680000 0x40000>; + }; + + partition@6c0000 { + label =3D "ospi.sysfw"; + reg =3D <0x6c0000 0x100000>; + }; + + partition@7c0000 { + label =3D "ospi.env.backup"; + reg =3D <0x7c0000 0x40000>; + }; + + partition@800000 { + label =3D "ospi.rootfs"; + reg =3D <0x800000 0x37c0000>; + }; + + partition@3fc0000 { + label =3D "ospi.phypattern"; + reg =3D <0x3fc0000 0x40000>; + }; + }; }; }; =20 --=20 2.17.1