From nobody Thu Feb 12 00:03:15 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 B65A4C7EE22 for ; Wed, 3 May 2023 09:13:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229927AbjECJNN (ORCPT ); Wed, 3 May 2023 05:13:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229678AbjECJNA (ORCPT ); Wed, 3 May 2023 05:13:00 -0400 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BCEF19A8; Wed, 3 May 2023 02:12:35 -0700 (PDT) Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 3439CR1o122542; Wed, 3 May 2023 04:12:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1683105147; bh=lVDJIsQ0S2BXDL0aE4jmdUNqxmhZpOYTho+RaZVBNIA=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=jd3umEQXVSUx33LaxFbYR0LQ9dwDARtPVEMBX35NH0kxU2t4fEQU7/J4tOcCF8YfW 2O/AGqGJOxQWyEqBjJZrzzkv+TsVNTvtogN8tkZNS01e/TYCTuOOG8e968363R2Tgf lh0Yk8mxBxoJi/2uzYZ2dv4LGr/SOqewBYUA9s1I= Received: from DLEE106.ent.ti.com (dlee106.ent.ti.com [157.170.170.36]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 3439CRNo026854 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 3 May 2023 04:12:27 -0500 Received: from DLEE106.ent.ti.com (157.170.170.36) by DLEE106.ent.ti.com (157.170.170.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Wed, 3 May 2023 04:12:27 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE106.ent.ti.com (157.170.170.36) 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; Wed, 3 May 2023 04:12:27 -0500 Received: from localhost (ileaxei01-snat.itg.ti.com [10.180.69.5]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 3439CQR7037091; Wed, 3 May 2023 04:12:26 -0500 From: Vaishnav Achath To: , , , , CC: , , , , Subject: [PATCH 4/4] arm64: dts: ti: k3-j7200-som: Describe OSPI and Hyperflash partition info Date: Wed, 3 May 2023 14:42:18 +0530 Message-ID: <20230503091218.25899-5-vaishnav.a@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230503091218.25899-1-vaishnav.a@ti.com> References: <20230503091218.25899-1-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 and Hyperflash 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. J7200 SoM 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 SoM also has a 64 MiB Hyperflash present on it, 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-j7200-som-p0.dtsi | 72 +++++++++++++++++++++ 1 file changed, 72 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi b/arch/arm64/boot/= dts/ti/k3-j7200-som-p0.dtsi index fa44ed4c17d5..198408fdb017 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j7200-som-p0.dtsi @@ -140,6 +140,37 @@ flash@0,0 { compatible =3D "cypress,hyperflash", "cfi-flash"; reg =3D <0x00 0x00 0x4000000>; + + partitions { + compatible =3D "fixed-partitions"; + #address-cells =3D <1>; + #size-cells =3D <1>; + + partition@0 { + label =3D "hbmc.tiboot3"; + reg =3D <0x0 0x100000>; + }; + + partition@100000 { + label =3D "hbmc.tispl"; + reg =3D <0x100000 0x200000>; + }; + + partition@300000 { + label =3D "hbmc.u-boot"; + reg =3D <0x300000 0x400000>; + }; + + partition@700000 { + label =3D "hbmc.env"; + reg =3D <0x700000 0x40000>; + }; + + partition@800000 { + label =3D "hbmc.rootfs"; + reg =3D <0x800000 0x3800000>; + }; + }; }; }; =20 @@ -229,5 +260,46 @@ 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 0x100000>; + }; + + partition@100000 { + label =3D "ospi.tispl"; + reg =3D <0x100000 0x200000>; + }; + + partition@300000 { + label =3D "ospi.u-boot"; + reg =3D <0x300000 0x400000>; + }; + + partition@700000 { + label =3D "ospi.env"; + reg =3D <0x700000 0x40000>; + }; + + partition@740000 { + label =3D "ospi.env.backup"; + reg =3D <0x740000 0x40000>; + }; + + partition@800000 { + label =3D "ospi.rootfs"; + reg =3D <0x800000 0x37c0000>; + }; + + partition@3fc0000 { + label =3D "ospi.phypattern"; + reg =3D <0x3fc0000 0x40000>; + }; + }; }; }; --=20 2.17.1