From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 89A89C11F67 for ; Mon, 12 Jul 2021 06:24:40 +0000 (UTC) Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1127F610FA for ; Mon, 12 Jul 2021 06:24:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1127F610FA Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id 8916082DC2; Mon, 12 Jul 2021 08:21:58 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="Wfoz1N3S"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id 051EB82DA0; Mon, 12 Jul 2021 08:21:45 +0200 (CEST) Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 9D6FA82C74 for ; Mon, 12 Jul 2021 08:21:37 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=kishon@ti.com Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 16C6La3Q123020; Mon, 12 Jul 2021 01:21:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1626070896; bh=2jQmdYKIuGcBTyQxJ+jhQPRTqlo++/gV8UpVd3/woO4=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Wfoz1N3SsrZOoDDOtZke5jY23lj1VeUnsw7ePPL2RZm1mfXtZiFCsxj5H3BYIbxeP PYQWeCnjUjLLnGt0u/CVa0H+vVCiiKxcq9Tm24rpvaRU/DE5xweIWclxdWWh06mp56 IEjQR7JNAGc9NG3e4N4pG+Dgr7GVFWbE9uNhrnhY= Received: from DLEE103.ent.ti.com (dlee103.ent.ti.com [157.170.170.33]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 16C6La5Y027357 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 12 Jul 2021 01:21:36 -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 15.1.2176.2; Mon, 12 Jul 2021 01:21:35 -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 15.1.2176.2 via Frontend Transport; Mon, 12 Jul 2021 01:21:36 -0500 Received: from a0393678-ssd.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 16C6KQhc019216; Mon, 12 Jul 2021 01:21:33 -0500 From: Kishon Vijay Abraham I To: Lokesh Vutla , Simon Glass CC: Kishon Vijay Abraham I , Aswath Govindraju , Pratyush Yadav , Subject: [PATCH v4 21/21] doc: board: j721e_evm: Add documentation for firmware loading Date: Mon, 12 Jul 2021 11:50:25 +0530 Message-ID: <20210712062025.14518-22-kishon@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210712062025.14518-1-kishon@ti.com> References: <20210712062025.14518-1-kishon@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 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 Add documentation for loading firmwares to be used by remote cores in the system including the environment variables that has to be set to load the firmwares. Signed-off-by: Kishon Vijay Abraham I --- doc/board/ti/j721e_evm.rst | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/doc/board/ti/j721e_evm.rst b/doc/board/ti/j721e_evm.rst index d0cf7c23f8..89bb46654c 100644 --- a/doc/board/ti/j721e_evm.rst +++ b/doc/board/ti/j721e_evm.rst @@ -314,3 +314,18 @@ Flash layout for OSPI: | ospi.rootfs(UBIFS) | | | +----------------------------+ + +Firmwares: +---------- + +The J721e u-boot allows firmware to be loaded for the Cortex-R5 subsystem. +The CPSW5G in J7200 and CPSW9G in J721E present in MAIN domain is configured +and controlled by the ethernet firmware that executes in the MAIN Cortex R5. +The default supported environment variables support loading these firmwares +from only MMC. "dorprocboot" env variable has to be set for the U-BOOT to load +and start the remote cores in the system. + +J721E common processor board can be attached to a Ethernet QSGMII card and the +PHY in the card has to be reset before it can be used for data transfer. +"do_main_cpsw0_qsgmii_phyinit" env variable has to be set for the U-BOOT to +configure this PHY. -- 2.17.1