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=-20.2 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, 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 2D417C12002 for ; Wed, 21 Jul 2021 16:03:05 +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 A491261244 for ; Wed, 21 Jul 2021 16:03:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A491261244 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 306CB82D97; Wed, 21 Jul 2021 18:00:54 +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="YVwo9AVw"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id AB57F82D72; Wed, 21 Jul 2021 18:00:08 +0200 (CEST) Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) (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 BDCEC82D3C for ; Wed, 21 Jul 2021 17:59:58 +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=kishon@ti.com Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 16LFxuwE038620; Wed, 21 Jul 2021 10:59:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1626883196; bh=06a1Eo6vqkVBoqH7XfIuOq36OOSE0qL+ca8TFdi7LNY=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=YVwo9AVw9rPZ12TbNOw69f/lrwoMWTosn8DG3VHDGSHgGhDeeTE+oZXGPIL7ulOPI qLyTvapqMlXglf9wDHR7FNBJrlkHEjBFZZ7HQ2GUa0FRjc/CnU9LUgrTb4n828Rv5A owu4o1g/zmr3Jdh3m9R1zakqQj1Sw6gaLjGyNGV4= Received: from DLEE105.ent.ti.com (dlee105.ent.ti.com [157.170.170.35]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 16LFxusU084940 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 21 Jul 2021 10:59:56 -0500 Received: from DLEE114.ent.ti.com (157.170.170.25) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Wed, 21 Jul 2021 10:59:56 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE114.ent.ti.com (157.170.170.25) 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; Wed, 21 Jul 2021 10:59:56 -0500 Received: from a0393678-ssd.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 16LFwoW4091982; Wed, 21 Jul 2021 10:59:53 -0500 From: Kishon Vijay Abraham I To: Lokesh Vutla , Simon Glass , Tom Rini CC: Aswath Govindraju , Pratyush Yadav , Kishon Vijay Abraham I , Subject: [PATCH v5 20/20] doc: board: j721e_evm: Add documentation for firmware loading Date: Wed, 21 Jul 2021 21:28:49 +0530 Message-ID: <20210721155849.20994-21-kishon@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210721155849.20994-1-kishon@ti.com> References: <20210721155849.20994-1-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 8b460709d1..44dc316afd 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